1 Tue Jan 12 01:30:19 1999 Richard Henderson <rth@cygnus.com>
3 * rtl.c (rtx_alloc): Use memset instead of inline loop.
5 Tue Jan 12 00:23:31 1999 Richard Henderson <rth@cygnus.com>
7 * function.c (purge_addressof_1): If the note accesses a mem+addressof
8 in a wider mode than any replacement, adjust the cached replacement.
9 Cache trivial substitutions as well.
11 Tue Jan 12 00:06:00 1999 Richard Henderson <rth@cygnus.com>
13 * Makefile.in (OBJECTS): Add sbitmap.o.
14 (BASIC_BLOCK_H): Add sbitmap.h.
15 * basic-block.h: Move simple bitmap code to sbitmap.h.
16 * flow.c: Move simple bitmap code to sbitmap.c
17 * sbitmap.h, sbitmap.c: New files.
19 Mon Jan 11 23:51:50 1999 Richard Henderson <rth@cygnus.com>
21 * alpha.h (TARGET_SWITCHES): Document switches.
22 (TARGET_OPTIONS): Likewise.
24 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Use HOST_WIDE_INT_PRINT_DEC.
26 Mon Jan 11 22:54:14 1999 Richard Henderson <rth@cygnus.com>
28 * tree.c (new_alias_set): Return zero if !flag_strict_aliasing.
30 Mon Jan 11 22:36:01 1999 Richard Henderson <rth@cygnus.com>
32 * basic-block.h (basic_block_head): Rename to x_basic_block_head.
33 (basic_block_end): Rename to x_basic_block_end.
34 (BLOCK_HEAD, BLOCK_END): Update.
36 * caller-save.c: Change basic_block_head/end references to
38 * combine.c, flow.c, function.c, gcse.c, global.c: Likewise.
39 * graph.c, haifa-sched.c, local-alloc.c, regclass.c: Likewise.
40 * regmove.c, reload1.c, reorg.c, sched.c: Likewise.
42 Sat Jan 9 23:54:09 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
44 * gcc.c (xstrerror): Renamed from my_strerror. All callers
45 changed. Remove prototype since we get that from libiberty.h.
47 * protoize.c (xstrerror): Likewise.
49 Sat Jan 9 23:22:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
51 * gcc.c (read_specs): Ensure format specifiers match their arguments.
53 Sat Jan 9 20:04:24 1999 Richard Henderson <rth@cygnus.com>
55 * tree.c (copy_node): Oops. That would be copy not zero
58 Sun Jan 10 15:35:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
60 * config/c4x/c4x.c: Include system.h.
61 (c4x_caller_save_map): Disable caller save for RC.
62 (c4x_optimization_options): Disable scheduling before reload.
63 (valid_parallel_load_store) : Define return type as int.
64 Remove unused variable regs.
65 * config/c4x/c4x.h (REGISTER_MOVE_COST): Make independent of register
67 * config/c4x/c4x.md (rotlqi3, rotrqi3): Fix up emitted RTL to
69 (*db, decrement_and_branch_until_zero): Fix up constraints
72 Sat Jan 9 18:35:29 1999 Richard Henderson <rth@cygnus.com>
74 * tree.c (make_node): Call bzero instead of inline clear.
75 (copy_node, make_tree_vec, build1): Likewise.
76 (get_identifier): Call strlen instead of inline count.
77 (maybe_get_identifier): Likewise.
79 Sun Jan 10 14:04:51 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
81 * config/c4x/c4x.md: (in_annul_slot_3): Allow unarycc and binarycc
82 operations in 3rd annulled delay slot.
83 (*lshrqi3_const_set): Disallow c constraint for operand0.
84 (modhi3+1, modhi3+2): Set attribute type to multi.
85 * config/c4x/c4x.c (c4x_S_constraint): Removed space in middle of
88 Sat Jan 9 11:44:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
90 * gansidecl.h: Allow attribute unused on labels only when we are
91 version 2.93 or higher. Not all versions of 2.92 have this feature.
93 * version.c: Bump minor number to 93.
95 Fri Jan 8 10:51:13 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
97 * config/m68k/m68k.h: Declare output_function_epilogue.
98 * recog.h: Declare next_insn_tests_no_inequality.
100 Fri Jan 8 01:43:53 1999 Jeffrey A Law (law@cygnus.com)
102 * stmt.c (optimize_tail_recursion): New function, extracted from ...
103 (expand_return): Use optimize_tail_recursion.
104 * tree.h (optimize_tail_recursion): Declare.
106 * toplev.c (compile_file): Move call to output_func_start_profiler
107 to after the loop to emit deferred functions.
109 Thu Jan 7 19:52:53 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
111 * system.h (abort): Supply more detailed information on how to
112 report an Internal Compiler Error.
114 Thu Jan 7 11:26:17 1999 Mark Mitchell <mark@markmitchell.com>
116 * calls.c (store_unaligned_arguments_into_pseudos): Use xmalloc to
117 allocate memory that will live beyond this function.
118 (expand_call): Free it here.
120 Thu Jan 7 03:08:17 1999 Richard Henderson <rth@cygnus.com>
122 * sparc.h (PREFERRED_RELOAD_CLASS): Select GENERAL_REGS for
123 integer data not destined for fp regs.
124 (LEGITIMIZE_RELOAD_ADDRESS): New.
126 Thu Jan 7 03:03:42 1999 Stan Cox <scox@cygnus.com>
127 Richard Henderson <rth@cygnus.com>
129 Support for Hypersparc and Sparclite86x:
130 * sparc.h (TARGET_CPU_hypersparc, TARGET_CPU_sparclite86x): New.
131 (CPP_CPU32_DEFAULT_SPEC): Fix up for the new targets.
132 (ASM_CPU32_DEFAULT_SPEC): Likewise.
133 (TARGET_CPU_DEFAULT): Likewise.
134 (enum processor_type): Likewise.
135 (CPP_ENDIAN_SPEC): Handle little endian data.
136 (LIBGCC2_WORDS_BIG_ENDIAN): Likewise.
137 (ADJUST_COST): Call sparc_adjust_cost.
138 * sparc.c (sparc_override_options): Fix up for the new targets.
139 (supersparc_adjust_cost): Make static.
140 (hypersparc_adjust_cost): New.
141 (ultrasparc_adjust_cost): Make static.
142 (sparc_adjust_cost): New.
143 * sparc.md (attr cpu): Add hypersparc and sparclite86x.
144 (function_unit): Add hypersparc scheduling rules.
146 * configure.in (with_cpu handler): Recognize hypersparc.
148 Thu Jan 7 23:54:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
150 * config/c4x/c4x.c: Added space after negation operator.
151 * config/c4x/c4x.h: Likewise.
152 * config/c4x/c4x.md: Likewise.
154 Thu Jan 7 23:39:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
156 * config/c4x/c4x.c (c4x_preferred_reload_class): Always return class.
158 Thu Jan 7 00:29:25 199 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
160 * combine.c (num_sign_bit_copies): In NEG, MULT, DIV and MOD cases,
161 when a test can't be performed due to limited width of
162 HOST_BITS_PER_WIDE_INT, use the more conservative approximation.
163 Fix UDIV case for cases where the first operand has the highest bit
166 Thu Jan 7 00:01:38 1999 Lutz Vieweg <lkv@mania.robin.de>
168 * pa.h (reg_class): Add FPUPPER_REGS.
169 (REG_CLASS_NAMES): Similarly.
170 (REG_CLASS_CONTENTS): Similarly
171 (REGNO_REG_CLASS): Handle FPUPPER_REGS.
172 (FP_REG_CLASS_P): Likewise.
173 (REG_CLASS_FROM_LETTER): Similarly.
174 (CLASS_MAX_NREGS): Similarly.
176 1999-01-06 Brendan Kehoe <brendan@cygnus.com>
178 * fixincludes: For HP/UX 10.20, also look in curses_colr/curses.h
179 for a typedef of bool. Make sure to have a copy of the file is
180 in place before we look to fix it. Fix typo in variable name to
183 Wed Jan 6 07:51:05 1999 Richard Henderson <rth@cygnus.com>
185 * expr.c (expand_builtin) [case BUILT_IN_CONSTANT_P]: Use
186 value_mode for the return mode.
188 Wed Jan 6 17:55:19 1999 Robert Lipe <robertlipe@usa.net>
190 * configure.in: New flag --with-dwarf2. If set, enables DWARF-2
191 debugging as default.
193 * config/tm-dwarf2.h: New file.
195 Wed Jan 6 16:08:54 1999 Jeffrey A Law (law@cygnus.com)
197 * h8300.h (ASM_OUTPUT_LABELREF): Define.
199 * pa.h (DONT_RECORD_EQUIVALENCE): Kill.
200 * local-alloc.c (update_equiv_regs): Corresponding changes.
201 * tm.texi (DONT_RECORD_EQUIVALENCE): Kill.
203 * calls.c (special_function_p): Push alloca test inside the large
204 conditional which excludes functions not at file scope or not
207 * calls.c (special_function_p): New function broken out of
209 (precompute_register_parameters): Likewise.
210 (store_one_arg): Likewise.
211 (store_unaligned_argumetns_into_pseudos): Likewise.
212 (save_fixed_argument_area): Likewise.
213 (restore_fixed_argument_area): Likewise.
214 (expand_call): Corresponding changes.
216 Wed Jan 6 10:43:29 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
218 * config/m68k/m68k.c (const_uint32_operand): Remove CONSTANT_P_RTX
220 (const_sint32_operand): Likewise.
222 Wed Jan 6 09:44:51 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
224 * toplev.h: In addition to checking _JBLEN, also check if `setjmp'
225 is a macro when deciding if we can use `jmp_buf' in prototypes.
227 Thu Jan 7 00:12:24 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
229 * config/c4x/c4x.md (addqi3): If the destination operand is
230 a hard register other than an extended precision register,
231 emit addqi3_noclobber.
232 (*addqi3_noclobber_reload): New pattern added so that reload
233 will recognise a store of a pseudo, equivalent to the sum
234 of the frame pointer and a constant, as an add insn.
236 Wed Jan 6 03:18:53 1999 Mark Elbrecht <snowball3@usa.net.
238 * configure.in (pc-msdosdjgpp): Set x_make to x-go32.
239 * configure: Rebuilt.
240 * i386/xm-go32.h: Define LIBSTDCXX.
242 * i386/go32.h (MD_EXEC_PREFIX): Define.
243 (FILE_NAME_ABSOLUTE_P): Define.
244 (LINK_COMMAND_SPEC): Define.
246 Wed Jan 6 02:23:36 1999 "Charles M. Hannum" <root@ihack.net>
248 * expr.c (store_expr): If the lhs is a memory location pointed
249 to be a postincremented (or postdecremented) pointer, always
250 force the rhs to be evaluated into a pseudo.
252 Wed Jan 6 00:54:21 1999 Geoff Keating <geoffk@ozemail.com.au>
254 * real.c (mtherr): Print more reasonable warning messages.
256 Tue Jan 5 21:57:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
258 * Makefile.in (gcc.o, prefix.o, cccp.o, cpplib.o): Depend on prefix.h.
260 * cccp.c: Include prefix.h, don't prototype prefix.c functions.
261 (new_include_prefix): Constify char* parameters.
263 * cppfiles.c (read_name_map): Likewise.
264 (append_include_chain): Likewise. Also, use a writable char* copy
265 of parameter `dir' which we then modify, rather than using the
266 parameter itself to store the new writable string.
267 (remap_filename): Constify some variables. Also, use a writable
268 char* to store an allocated string which we will be modifying.
270 * cpplib.c: Include prefix.h, don't prototype prefix.c functions.
271 (cpp_start_read): Constify variable `str'.
273 * cpplib.h (append_include_chain): Constify a char* parameter.
275 * gcc.c Include prefix.h, don't prototype prefix.c functions.
276 (add_prefix, save_string): Constify char* parameters.
277 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
279 * prefix.c: Include prefix.h.
280 (get_key_value, translate_name, save_string, update_path,
281 set_std_prefix): Constify various char* parameters and variables.
282 (save_string): Use xmalloc, not malloc.
283 (translate_name): Use a writable temporary variable to create and
284 modify a string before setting it to a const char*.
286 * prefix.h: New file to prototype functions exported from prefix.c.
288 Mon Jan 4 15:37:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
290 * cpplib.c (skip_if_group): Split out the logic that handles
291 directive recognition to its own function. Don't use
292 parse markers; use a bare pointer into the buffer. Use
293 copy/skip_rest_of_line instead of doing it by hand. Remove
294 `return on any directive' mode which was never used, and take
296 (consider_directive_while_skipping): New function, subroutine
297 of skip_if_group. Logic streamlined a bit.
298 (conditional_skip, do_elif, do_else): Call skip_if_group with
301 Mon Jan 4 15:27:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
303 * cpplib.c (do_undef): EOF immediately after '#undef FOO' is not an
306 Mon Jan 4 11:55:51 1999 Jason Merrill <jason@yorick.cygnus.com>
308 * extend.texi (Bound member functions): Document.
310 Mon Jan 4 11:01:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
312 * mips-tdump.c (st_to_string, sc_to_string, glevel_to_string,
313 lang_to_string, type_to_string): Make return type const char*.
314 (print_symbol): Apply `const' keyword to a char*.
315 (print_file_desc): Cast structure member `crfd' to ulong when
316 comparing against one.
318 * mips-tfile.c (pfatal_with_name): Apply `const' keyword to char*.
319 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
320 (progname, input_name): Apply `const' keyword to a char*.
321 Don't redundantly include sys/stat.h.
322 (alloc_info): Apply `const' keyword to a char*.
323 (st_to_string, sc_to_string): Likewise.
324 (hash_string): Cast variable `hash_string' to a symint_t when
325 comparing against one.
326 (add_string): Cast PAGE_USIZE to Ptrdiff_t when comparing against one.
327 Likewise cast it to long when comparing against one.
328 (add_local_symbol): Apply `const' keyword to a char*.
329 (add_ext_symbol): Likewise.
330 (add_unknown_tag): Likewise.
331 (add_procedure): Cast a printf-style field width to an int.
332 (add_file): Cast PAGE_USIZE to long when comparing against one
333 (parse_begin): Cast a printf-style field width to an int.
334 (parse_bend): Likewise.
335 (parse_def): Likewise.
336 (parse_end): Likewise.
337 (mark_stabs): Mark parameter `start' with ATTRIBUTE_UNUSED.
338 (parse_stabs_common): Fix format specifier.
339 (parse_input): Change type of variable `i' to Size_t.
340 (write_object): Fix arguments to match format specifiers.
341 Cast variable `num_write' to long when comparing against one.
342 (read_seek): Cast variable `sys_read' to symint_t when comparing
343 against one. Fix arguments to match format specifiers. Cast
344 variable `size' to long when comparing against one.
345 (copy_object): Cast result of `sizeof' to int when comparing
346 against one. Fix arguments to match format specifiers. Cast
347 variable `ifd' to long when comparing against a signed value.
350 Mon Jan 4 10:30:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
352 * c-common.c (decl_attributes): Allow applying attribute `unused'
355 * c-parse.in (label): Parse attributes after a label, and call
356 `decl_attributes' to handle them.
358 * gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
360 * genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
361 generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
363 * invoke.texi: Note that labels can be marked `unused'.
365 Sun Jan 3 23:32:18 PST 1999 Jeff Law (law@cygnus.com)
367 * version.c: Bump for snapshot.
369 Sun Jan 3 23:00:42 1999 Jeffrey A Law (law@cygnus.com)
371 * optabs.c (emit_cmp_and_jump_insns): Use CONSTANT_P canonicalizing
372 RTL for a compare/jump sequence.
374 Sun Jan 3 22:58:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
376 * optabs.c (emit_cmp_insn): Abort if asked to emit non-canonical RTL
377 for a target with HAVE_cc0 defined.
378 (emit_cmp_and_jump_insns): New function.
379 * expr.h (emit_cmp_and_jump_insns): Prototype it.
380 * loop.c (check_dbra_loop): Use it to replace calls
381 to emit_cmp_insn and emit_jump_insn and to canonicalise
382 the comparison if necessary.
383 * unroll.c (unroll_loop): Likewise.
385 Sun Jan 3 21:01:04 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
387 * fixincludes (sys/utsname.h): Provide forward declaration of
388 struct utsname on Ultrix V4.[35].
390 * mips.md (div_trap): Use local labels instead of dot-relative
393 Sun Jan 3 20:40:34 1999 Jeffrey A Law (law@cygnus.com)
395 * pa.md (branch, negated branch): Handle (const_int 0) as first
397 * pa.c (output_cbranch): Likewise.
399 Sun Jan 3 03:20:38 1999 David Edelsohn <edelsohn@mhpcc.edu>
401 * rs6000.c (rs6000_stack_info): Undo spurious part of last
404 1999-01-01 Manfred Hollstein <manfred@s-direktnet.de>
406 * extend.texi (__builtin_constant_p): Add missing @smallexample.
408 Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com)
410 * i386.md (doubleword shifts): Fix dumb mistakes in previous change.
412 Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com)
414 * m68k.md (adddi_dilshr32): Allow all operands to be registers too.
415 (adddi_dishl32): Similarly.
417 * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers
418 for each insn in the skipped block.
420 * reload1.c (reload_as_needed): Verify that the insn satisfies its
421 constraints after replacing a register address with an autoincrement
422 address for reload inheritance purposes.
424 * i386.md (doubleword shifts): Avoid namespace pollution.
426 Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com>
428 * configure.in (FreeBSD ELF): Needs special crt files.
430 Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com>
432 * i386/xm-cygwin.h: change DIR_SEPARATOR to forward slash.
434 1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
436 * loop.c (check_dbra_loop): While reversing the loop, if the
437 comparison value has a VOID mode use the mode of the other operand
440 Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com>
442 * rs6000.md ({save,restore}_stack_function): Take 2 operands to
443 avoid warnings in compiling explow.c.
445 (patch from Ken Raeburn, raeburn@cygnus.com)
446 * rs6000.c (rs6000_stack_info): Force 8-byte alignment of
447 fpmem_offset. Compute total size after that, and then
448 rs6000_fpmem_offset using both values.
450 Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
452 * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
453 the future; indeed that already happens in some cases.
455 Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com>
457 * sparc.c (input_operand): Recognize (const (constant_p_rtx)).
458 (arith_operand): Remove constant_p_rtx handling.
459 (const64_operand, const64_high_operand): Likewise.
460 (arith11_operand, arith10_operand, arith_double_operand): Likewise.
461 (arith11_double_operand, arith10_double_operand, small_int): Likewise.
462 (small_int_or_double, uns_small_int, zero_operand): Likewise.
463 * sparc.h (PREDICATE_CODES): Likewise.
465 * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX.
467 Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>:
469 * rtl.def (CONSTANT_P_RTX): Clarify commentary.
470 * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
471 consider constant CONSTRUCTOR constant and to defer some cases
473 * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
474 * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
476 Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com>
478 * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
479 * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
481 * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling.
482 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
483 (sext_add_operand, and_operand, or_operand): Likewise.
484 (reg_or_cint_operand, some_operand, input_operand): Likewise.
485 * alpha.h (PREDICATE_CODES): Likewise.
487 Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com)
489 * version.c: Bump for snapshot.
491 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
493 * gengenrtl.c (gencode): Always use bzero to clear memory instead
494 of dangerous casts and stores.
496 * Makefile.in (compare, gnucompare): Add missing else true clauses.
498 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
500 * alpha.md (builtin_longjmp): Add missing "DONE".
502 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
504 * gcc.c (execute): Enable -pipe with win32.
506 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
508 * config/arm/t-arm-elf: Add multiplib option for leading
511 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
512 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
514 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
515 than variable 'reload_address_base_reg_class'. [Note this
516 change is unrelated to the others in this patch].
518 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
521 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
523 * alias.c (record_alias_subset): Remove ignored `&'.
524 (init_alias_once): Likewise.
526 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
528 * config/mips/mips.c (mips_asm_file_end): Cast the result of
529 fwrite to `int' when comparing against one.
531 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
532 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
534 * cse.c (rehash_using_reg): Change type of variable `i' to
537 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
540 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
542 * final.c (final_scan_insn): Likewise for variable `i'.
543 (output_asm_insn): Cast a char to unsigned char when used as an
546 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
549 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
551 * recog.c (preprocess_constraints): Cast a char to unsigned char
552 when used as an array index.
554 * regmove.c (find_matches): Likewise.
556 * reload1.c (calculate_needs): Add default case in switch.
557 (eliminate_regs_in_insn): Initialize variable `offset'.
558 (set_offsets_for_label): Change type of variable `i' to unsigned.
559 (reload_as_needed): Wrap variable `i' in macro check on
560 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
562 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
563 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
564 when comparing against one.
566 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
567 unsigned when comparing against one. Likewise for
568 GET_MODE_ALIGNMENT().
569 (layout_record): Cast record_align to int when comparing against a
571 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
574 * tree.c (get_identifier): Cast variable `len' to unsigned when
575 comparing against one.
576 (maybe_get_identifier): Likewise
578 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
580 * toplev.c (rest_of_compilation): Do not set reload_completed.
581 * reload1.c (reload): Set reload_completed before calling
582 cleanup_subreg_operands.
584 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
586 * reload1.c (emit_reload_insns): Check `set' not null before use.
588 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
590 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
593 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
595 * halfpic.c (half_pic_encode): Delete redundant code.
597 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
599 * toplev.c (main): Delete handling of -dM as a preprocessor
602 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
604 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
605 -dI, which are handled by the preprocessor.
607 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
609 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
610 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
612 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
614 * version.c: Bump for snapshot.
616 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
618 * version.c: Bump for snapshot.
620 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
622 * version.c: Bump for snapshot.
624 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
626 * genattr.c (fatal): Qualify a char* with the `const' keyword.
628 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
629 write_unit_name, write_eligible_delay, expand_units,
630 make_length_attrs, write_attr_case, find_attr,
631 make_internal_attr): Likewise.
632 * gencheck.c (tree_codes): Likewise.
633 * gencodes.c (fatal): Likewise.
634 * genconfig.c (fatal): Likewise.
635 * genemit.c (fatal): Likewise.
636 * genextract.c (fatal, walk_rtx, copystr): Likewise.
637 * genflags.c (fatal): Likewise.
638 * genopinit.c (fatal, optabs, gen_insn): Likewise.
639 * genoutput.c (fatal, error, predicates): Likewise.
640 * genpeep.c (fatal): Likewise.
641 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
642 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
644 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
646 * configure.in (with-fast-fixincludes): Fix whitespace.
647 * configure: Rebuilt.
649 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
650 asm() etc. function declarations in __DECC.
652 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
654 * expr.c (emit_move_insn_1): Only emit a clobber if the target
655 is a pseudo register.
657 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
659 * gcse.c: Include expr.h in order to get the prototype for
660 get_condition() which is used in delete_null_pointer_checks().
662 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
664 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
666 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
668 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
669 (ALL_CFLAGS): Delete SCHED_CFLAGS.
671 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
673 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
676 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
678 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
679 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
680 optimizations from the combiner.
682 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
684 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
686 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
688 * toplev.c (main): Disable optimize_size if a specific
689 optimization level is requested. Always set optimization
690 level to 2 if -Os is specified.
692 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
694 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
696 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
697 initialize it using fname.
699 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
701 * cpplib.c (do_include): Treat #include_next in the
702 primary source file as #include plus warning. Treat
703 #include_next in a file included by absolute path as an
704 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
706 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
708 * cccp.c: Don't define MIN/MAX anymore.
709 * cpplib.c: Likewise.
710 * machmode.h: Likewise.
711 * system.h: Provide definitions for MIN/MAX.
713 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
715 * fix-header.c: Don't define xstrdup here.
717 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
719 * loop.c (consec_sets_giv): New argument last_consec_insn.
720 (strength_reduce): Provide / use it.
722 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
724 * loop.h (loop_info): New field 'vtop'.
725 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
726 scanning loop for vtop.
727 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
728 (loop_iterations): Use them to determine if loop has a constant
729 number of iterations. Set loop_info->vtop. Don't subtract
730 common reg term from initial_value and final_value if have a
733 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
735 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
737 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
739 * mn10200.md (abssf2, negsf2): New expanders.
741 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
743 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
745 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
746 replaced by a CONCAT whoes components do not have the same
747 mode as the original SUBREG, use a new SUBREG to restore the
750 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
751 multiword complex values.
753 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
755 * cppalloc.c: Add xstrdup here.
756 * cpplib.h: Remove savestring prototype.
757 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
759 * cppfiles.c: s/savestring/xstrdup/ throughout.
761 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
763 * cpplib.c: Make all directive handlers read their own
765 (struct directive): Remove last two arguments from FUNC
766 member prototype. Remove `command_reads_line' member
768 (directive_table): Remove initializations of
769 command_reads_line flag. Pretty-print.
770 (eval_if_expression, do_define, do_line, do_include,
771 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
772 do_else, do_elif, do_sccs, do_assert, do_unassert,
773 do_warning): Take only two args.
775 (cpp_define): Call do_define with two args and the text to
776 define stuffed into a buffer.
777 (make_assertion): Call do_assert with two args.
778 (handle_directive): Call do_line with two args. Call
779 kt->func with two args. Remove command_reads_line
781 (do_define, do_undef, do_error, do_warning, do_pragma,
782 do_sccs): Read the rest of the line here.
783 (do_ident): Gobble rest of line, as cccp does.
784 (cpp_undef): New function.
785 (cpp_start_read): Call cpp_undef instead of do_undef.
787 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
789 * cpphash.h (union hash_value): Remove `keydef' member, add a
790 `struct hashnode *aschain' member for #assert.
792 * cpplib.c (struct tokenlist_list, struct
793 assertion_hashnode): Delete structure definitions.
794 (assertion_install, assertion_lookup, delete_assertion,
795 check_assertion, compare_token_lists, reverse_token_list,
796 read_token_list, free_token_list): Delete functions.
797 (parse_assertion): New function.
798 (cpp_cleanup): Don't destroy the assertion_hashtable.
800 (do_assert): Gut and rewrite. #assert foo (bar) places
801 entries for `#foo' and `#foo(bar)' in the macro hash table,
802 type T_ASSERT. The value union's `aschain' member is used
803 to chain all answers for a given predicate together.
804 (do_unassert): Also rewritten. Take an un-asserted
805 answer off the chain from its predicate and call
806 delete_macro on the hashnode, or walk a predicate chain
807 calling delete_macro on all the entries.
808 (cpp_read_check_assertion): Simply call parse_assertion to
809 get the canonical assertion name, and look that up in the
812 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
815 * cpphash.c (install): Use bcopy instead of an explicit loop
816 to copy the macro name.
818 * cppexp.c (cpp_lex): Convert the result of
819 cpp_read_check_assertion to a `struct operation' directly;
820 don't go through parse_number.
822 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
824 * loop.h (struct induction): Delete times_used member.
825 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
826 (n_times_used): Rename to n_times_set. Changed all users.
827 (scan_loop): Free reg_single_usage before strength reduction.
828 (record_giv, combine_givs): Remove handling of times_used member.
829 (combine_givs_used_once): Rename to:
830 (combine_givs_used_by_other) . Changed all callers.
832 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
834 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
835 instead of TREE_CODE_CLASS == 't'.
836 (gen_type_die): Likewise.
837 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
839 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
841 * real.c (endian): Disable last change unless
842 HOST_BITS_PER_WIDE_INT is greater than 32.
844 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
846 * output.h (force_data_section): New prototype.
847 * varasm.c (force_data_section): New function to force the
848 data section, regardless of what in_section thinks.
849 * dwarf2out.c (output_call_frame_info): Call force_data_section
850 since varasm may not realize we've changes sections.
852 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
854 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
855 after completeing reload.
857 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
858 deleted after reload.
860 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
862 * rtl.h (multiple_sets): Fix prototype.
863 * rtlanal.c (multiple_sets): Fix return type.
865 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
867 * version.c: Bump for snapshot.
869 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
871 * version.c: Bump for snapshot.
873 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
875 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
877 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
879 * rtl.h (recompute_reg_usage): Add second argument.
880 * flow.c (recompute_reg_usage): Likewise.
881 * toplev.c (rest_of_compilation): Supply second argument to
884 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
887 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
889 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
890 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
891 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
894 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
896 * rtlanal.c (multiple_sets): New function.
897 * rtl.h (multiple_sets): Declare it.
898 * local-alloc.c (wipe_dead_reg): Use it.
899 * global.c (global_conflicts): Likewise.
901 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
903 * global.c (record_conflicts): Don't use an array of shorts to
904 store an array of ints.
905 (global_conflicts): Likewise.
907 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
909 * alpha.c (alpha_expand_block_move): mode_for_size expects
910 bits, not bytes. Infer extra alignment from addressof.
912 1998-12-11 Michael Meissner <meissner@cygnus.com>
914 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
915 .sbss section, not .sdata.
917 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
919 * cccp.c: Do not #include <sys/stat.h> here; this is already done
921 * collect2.c: Likewise.
922 * cpplib.h: Likewise.
925 * getpwd.c: Likewise.
926 * protoize.c: Likewise.
927 * toplev.c: Likewise.
929 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
930 and don't try to define it here.
931 * Makefile.in (cppmain.o): Depend on machmode.h.
932 (cpplib.o): Likewise.
933 (cpperror.o): Likewise.
934 (cppexp.o): Likewise.
935 (cppfiles.o): Likewise.
936 (cpphash.o): Likewise.
937 (cppalloc.o): Likewise.
938 (fix-header.o): Likewise.
939 (scan-decls.o): Likewise.
941 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
943 * sh.c (print_operand): lookup interrupt_handler attribute instead
944 of relying on static variable.
945 * (calc_live_regs): Likewise.
946 * (sh_pragma_insert_attributes): Create interrupt_handler
947 attribute if a pragma was specified
948 * (sh_valid_machine_decl_attribute): Don't set static flag.
949 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
951 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
953 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
954 to determine if a register is live at a jump destination.
955 Everything is dead at a BARRIER.
957 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
959 * cse.c (simplify_unary_operation): Sign-extend constants when
960 they have the most significant bit set for the target.
961 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
963 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
964 HOST_WIDE_INT temporary before negating it.
965 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
967 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
969 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
972 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
974 * collect2.h: New header file for prototypes.
976 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
978 * collect2.c: Include collect2.h.
981 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
983 * flow.c: Update some comments.
985 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
987 * objc/objc-act.c (cpp_initialized): Removed.
988 (lang_init_options): Initialize cpplib.
989 (lang_decode_option): Move initialization of cpplib to
991 * c-lang.c: (parse_options,parse_in): Added.
992 (lang_init_options): Initialized cpplib here.
993 * c-decl.c (parse_options,cpp_initialized): Removed.
994 (c_decode_option): Move initialization of cpplib to
997 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
999 * reload1.c (reload_combine, reload_combine_note_store):
1000 Make STORE_RUID always valid.
1001 (reload_combine): Check if BASE is clobbered too early.
1003 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
1005 * reload.c (find_reloads): Display the insn that cannot be
1008 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
1010 * cccp.c (create_definition): Fix end of bufer logic.
1012 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1014 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
1015 pointer parameters changed to use the PARAMS() macro.
1017 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1019 * except.h (struct handler_info): Add handler_number field.
1020 * except.c (gen_exception_label): EH labels no longer need to be
1021 on the permanent obstack.
1022 (get_new_handler): Set the label number field.
1023 (output_exception_table_entry): Regenerate handler label reference
1024 from the label number field.
1025 (init_eh): Remove a blank line.
1026 * integrate.c (get_label_from_map): Labels no longer need to be
1027 on the permanent obstack.
1029 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
1031 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
1032 only when OUTER_CODE is SET.
1034 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1036 * loop.c (strength_reduce): If scan_start points to the loop exit
1037 test, be wary of subversive use of gotos inside expression statements.
1038 Don't set maybe_multiple for a backward jump that does not
1039 include the label under consideration into its range.
1040 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
1042 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1044 * explow.c (plus_constant_wide): Don't immediately return with
1045 result of recursive call.
1047 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1049 * eh-common.h (struct eh_context): Add table_index for rethrows.
1051 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
1052 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
1053 processed when inlined or unrolled (ie duplicated in some way).
1055 * rtl.c (reg_note_name): Add strings for new reg_note enums.
1057 * expr.h (rethrow_libfunc): New library decl.
1059 * optabs.c (rethrow_libfunc): Initialize.
1061 * except.h (struct eh_entry): Add new field 'rethrow_label'.
1062 (new_eh_region_entry): No longer exported from except.c.
1063 (duplicate_handlers): Renamed to duplicate_eh_handlers and
1064 different prototype.
1065 (rethrow_symbol_map, rethrow_used): New exported functions.
1066 (eh_region_from_symbol): New exported function.
1068 * except.c (create_rethrow_ref): New function to create a single
1069 SYMBOL_REF for a rethrow region.
1070 (push_eh_entry): Initialize a rethrow ref.
1071 (func_eh_entry): Add a rethrow_label field.
1072 (new_eh_region_entry): Make static, and initialize the rethrow entry.
1073 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
1074 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
1075 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
1076 a region into an appropriate new symbol.
1077 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
1078 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
1079 (end_catch_handler): Emit a barrier for new-exceptions since
1080 control can never drop through the end of a catch block.
1081 (expand_end_all_catch): new-exceptions never fall through a catch
1083 (expand_rethrow): use __rethrow routine for new exceptions.
1084 (output_exception_table_entry): Generate rethrow labels, if needed.
1085 (output_exception_table): Generate start and end rethrow labels.
1086 (init_eh): Create rethrow symbols for beginning and end of table.
1087 (scan_region): Don't eliminate EH regions which are the targets of
1090 * flow.c (make_edges): Add different edges for rethrow calls,
1091 identified by having the REG_EH_RETHROW reg label.
1092 (delete_unreachable_blocks): Don't delete regions markers which are
1093 the target of a rethrow.
1095 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
1096 allow save_for_inline_copying to call duplicate_eh_handlers.
1097 (save_for_inline_copying): Call duplicate_eh_handlers instead of
1098 exposing internal details of exception regions.
1099 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
1100 (expand_inline_function_eh_labelmap): New callback routine to
1101 allow expand_inline_function to call duplicate_eh_handlers.
1102 (expand_inline_function): Call duplicate_eh_handlers instead of
1103 exposing internal details of exception regions.
1104 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
1107 * libgcc2.c (find_exception_handler): Generalize to enable it to
1108 pick up processing where it left off last time for a rethrow.
1109 (__unwinding_cleanup): New function. debug hook which is called before
1110 unwinding when __throw finds there is nothing but cleanups left.
1111 (throw_helper): Common parts of __throw extracted out for reuse.
1112 (__throw): Common parts moved to throw_helper.
1113 (__rethrow): New function for performing rethrows.
1115 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
1117 * reload1.c (current_function_decl): Tweak declaration.
1119 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
1121 * c-decl.c (flag_isoc9x): Default off.
1122 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
1123 * cccp.c (print_help, main): Likewise.
1124 * gcc.c (default_compilers): Update for -std=gnu*.
1126 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
1128 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
1129 * demangle.h: Deleted.
1131 * reload1.c (current_function_decl): Declare.
1133 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1135 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
1137 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1139 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
1141 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
1143 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
1145 * configure: Rebuilt.
1146 * system.h: If the *_unlocked functions are available use them
1147 instead of the locked counterparts by defining macros.
1148 * config.in: Regenerated.
1150 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
1152 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
1153 wrong and should only be used for dump related things, not
1154 debugging information, instead main_input_filename should be used.
1155 Also, reuse output_file_directive if possible.
1156 * i386/aix386ng.h (ASM_FILE_START): Likewise.
1157 * i386/isc.h (ASM_FILE_START): Likewise.
1158 * i386/win-nt.h (ASM_FILE_START): Likewise.
1159 * i386/sun386.h (ASM_FILE_START): Likewise.
1161 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
1163 * configure.in (mips*-*-linux*): Handle big and little endian
1165 * configure: Rebuilt.
1167 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
1169 * emit-rtl.c: Fix typo.
1171 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
1173 * reload1.c (eliminate_regs): Don't do anything, if we're not
1176 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
1178 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
1180 * mips/mips.c (mips_select_section): Add comment.
1182 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
1184 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
1185 characters in file names in #line to be consistent with #include
1186 handling. We support escape prcessing in the # 1 "..." version of
1187 the command. See also support in cp/lex.c.
1188 (handle_directive): Likewise.
1189 (do_line): Likewise.
1191 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
1193 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
1194 so it'll work on non-ASCII platforms. Always consider $ an
1195 identifier character. Take no arguments.
1196 (cpp_reader_init): Call initialize_char_syntax with no
1198 (cpp_start_read): Don't call initialize_char_syntax again.
1199 Clear is_idchar['$'] and is_idstart['$'] if not
1200 opts->dollars_in_ident.
1202 * cpplib.h (struct cpp_reader): Replace void *data element by
1203 cpp_options *opts. Rearrange elements to make gdb printout
1204 less annoying (put buffer stack at end).
1205 (CPP_OPTIONS): Get rid of now-unnecessary cast.
1207 * cppmain.c: s/data/opts/ when initializing cpp_reader
1209 * c-decl.c: Likewise.
1210 * objc/objc-act.c: Likewise.
1211 * fix-header.c: Likewise.
1213 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
1215 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
1216 with a struct file_name_list pointer.
1217 (struct cpp_reader): Add pointer to chain of `actual
1218 directory' include searchpath entries.
1219 (struct file_name_list): Add *alloc pointer for the sake of
1220 the actual-directory chain.
1222 Move definition of HOST_WIDE_INT here.
1223 (cpp_parse_escape): Change prototype to match changes in
1226 * cppfiles.c (actual_directory): New function.
1227 (finclude): Use it to initialize the buffer's actual_dir
1229 (find_include_file): We don't need to fix up max_include_len
1232 * cpplib.c (do_include): Don't allocate a file_name_list on
1233 the fly for current directory "" includes, use the one that's
1234 been preallocated in pfile->buffer->actual_dir. Hoist out
1235 duplicate code from the search_start selection logic.
1236 (cpp_reader_init): Initialize pfile->actual_dirs.
1238 Remove definition of HOST_WIDE_INT. Change calls
1239 to cpp_parse_escape to match changes in cppexp.c (note
1240 hardcoded MASK, which is safe since this is the source
1243 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
1244 to handle wide character constants in #if directives. The
1245 function now returns a HOST_WIDE_INT, and takes a third
1246 argument which is a binary mask for all legal values (0x00ff
1247 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
1248 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
1249 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
1251 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
1253 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
1255 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1257 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
1258 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
1259 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
1261 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
1263 * final.c (output_asm_name): Use tabs to seperate comments from
1266 Include instruction lengths (if defined) in output.
1268 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1270 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
1271 in the loop_info structure.
1273 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
1275 * configure.in: (arm*-*-ecos-elf): New target.
1276 * configure: Regenerated.
1277 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
1278 * config/arm/ecos-elf.h: New file.
1279 * config/arm/unknown-elf.h (TARGET_VERSION): Check
1282 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1284 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
1286 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
1288 * version.c: Bump for snapshot.
1290 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1292 * loop.c (check_dbra_loop): New argument loop_info. Update fields
1295 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
1297 * version.c: Bump for snapshot.
1299 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1301 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
1302 compressed reports are ok and preferred over URLs
1304 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1306 * invoke.texi (Warning Options): Soften the tone of -pedantic
1308 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
1310 * print-rtl.c (print_rtx): Add prototype.
1312 * unroll.c (iteration_info): Make it static.
1314 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
1316 * alias.c (memrefs_conflict_p): A second ANDed address
1317 disables the aligned address optimization.
1319 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
1321 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
1324 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
1326 * i960.h (BOOL_TYPE_SIZE): Define.
1328 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1330 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
1331 from old valid_parallel_operands_4.
1332 (valid_parallel_operands_4): Check that operands for 4 operand
1333 parallel insns are valid, excluding load/store insns.
1334 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
1335 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
1336 valid_parallel_load_store instead of valid_parallel_operands_4.
1337 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
1338 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
1339 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
1340 *notqi_movqi_clobber): Use valid_parallel_operands_4.
1341 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
1342 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
1343 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
1345 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1347 * config/c4x/c4x.c (iteration_info): Delete extern.
1349 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1351 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
1353 * final.c (cleanup_subreg_operands): Delete some unused code.
1355 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
1356 (struct insn_alternative): New structure definition.
1357 (recog_op_alt): Declare variable.
1358 (preprocess_constraints): Declare function.
1359 * recog.c (recog_op_alt): New variable.
1360 (extract_insn): Verify number of alternatives is in range.
1361 (preprocess_constraints): New function.
1362 * reg-stack.c: Include recog.h.
1363 (constrain_asm_operands): Delete.
1364 (get_asm_operand_lengths): Delete.
1365 (get_asm_operand_n_inputs): New function.
1366 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
1367 N_OUTPUTS args. All callers changed.
1368 Compute number of inputs and outputs here by calling
1369 get_asm_operand_n_inputs.
1370 Instead of constrain_asm_operands, call extract_insn,
1371 constrain_operands and preprocess_constaints. Use information
1372 computed by these functions throughout.
1373 (record_reg_life): Delete code that is unused due to changes in
1374 record_asm_reg_life.
1375 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
1376 N_INPUTS and N_OUTPUTS args. All callers changed.
1377 Similar changes as in record_asm_reg_life.
1378 (subst_stack_regs): Move n_operands declaration into the if statement
1380 Delete code that is unused due to changes in subst_asm_stack_regs.
1381 * stmt.c (expand_asm_operands): Verify number of alternatives is in
1383 * Makefile.in (reg-stack.o): Depend on recog.h.
1385 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
1387 * except.c (set_exception_version_code): Argument is an "int".
1389 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
1391 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
1392 * configure: Rebuilt.
1394 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
1396 * configure.in (mipsel-*-linux*): New target.
1397 * mips/linux.h: New file, based on other Linux targets.
1399 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
1401 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
1402 runs in the context of the deleter, not the deletee, so we must
1403 use taskVarGet to find the correct memory to free.
1404 (__gthread_key_create): Initialize the task
1405 variable subsystem so that the task variable is still active when
1406 the delete hook is run.
1408 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
1410 * pdp11.h: Use optimize_size for space optimizations.
1411 * pdp11.c: Likewise.
1412 * pdp11.md: Likewise.
1414 * pdp11.h (TARGET_40_PLUS): Fix typo.
1416 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
1418 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
1421 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1423 * alias.c (addr_side_effect_eval): New function.
1424 (memrefs_conflict_p): Use it.
1425 * rtl.h (addr_side_effect_eval): Prototype it.
1427 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
1429 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
1431 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
1433 * reload.c (find_reloads): When force const to memory, put result
1434 in substed_operand not *recog_operand_loc.
1436 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
1438 * c-lex.c: Fix indentation from last patch.
1439 Remove trailing whitespace.
1442 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
1444 * flow.c (delete_block): Call set_last_insn after we have reset
1445 NEXT_INSN (kept_tail).
1447 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
1449 * mips.md (trap_if): Use "$0" for the value zero.
1451 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
1452 Stephen L Moshier <moshier@world.std.com>
1453 Richard Henderson <rth@cygnus.com>
1455 * c-common.c (declare_function_name): Declare predefinied variable
1458 * c-decl.c (flag_isoc9x): Set to 1 by default.
1459 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
1460 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
1462 * c-parse.in: Allow constructors in ISO C 9x.
1463 Rewrite designator list handling.
1464 Allow [*] parameters.
1465 Don't warn about comma at end of enum definition for ISO C 9x.
1467 * cccp.c (c9x): New variable.
1468 (rest_extension): New variable.
1469 (print_help): Document new -std= option.
1470 (main): Recognize -std= option. Set c9x appropriately.
1471 (create_definition): Recognize ISO C 9x vararg macros.
1473 * gcc.c (default_compilers): Adjust specs for -std options.
1474 (option_map): Add --std.
1475 (display_help): Document -std.
1477 * toplev.c (documented_lang_options): Add -std and remove
1480 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
1481 or REAL_VALUE_HTOF based on base of the constants.
1482 * fold-const.c (real_hex_to_f): New function. Replacement function
1483 for hex FP conversion if REAL_ARITHMETIC is not defined.
1484 * real.c (asctoeg): Add handling of hex FP constants.
1485 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
1488 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
1490 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
1491 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
1492 expansion. Use hi/lo as destination register.
1494 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
1495 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
1496 Avoid as macro expansion. Use hi/lo as destination register.
1498 * mips.h (MASK_CHECK_RANGE_DIV): New.
1499 (MASK_NO_CHECK_ZERO_DIV): New.
1500 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
1501 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
1502 return address for leaf functions out of r31 to support
1503 builtin_return_address.
1505 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1507 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
1508 NEXT_INSN(x) to check insn x.
1510 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
1512 * flow.c (delete_block): Call set_last_insn if we end up deleting the
1513 last insn in the rtl chain.
1515 * reload1.c (reload): Do not set reload_completed or split insns
1517 * toplev.c (rest_of_compilation): Set reload_completed after
1518 reload returns. Split insns after reload_cse has run.
1520 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
1522 * final.c (final_scan_insn): Abort if block_depth falls below 0.
1524 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
1526 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
1528 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
1530 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
1531 use of user-label_prefix.
1533 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1535 * reload1.c (emit_reload_insns): Clear spill_reg_store
1536 when doing a new non-inherited reload from the same pseudo.
1538 * local-alloc.c (function_invariant_p): New function.
1539 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
1540 to decide if an equivalence should be recorded.
1541 * reload1.c (num_eliminable_invariants): New static variable.
1542 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
1543 to decide if an equivalence should be recorded.
1545 (calculate_needs_all_insns): Skip insns that only set an equivalence.
1546 Take num_eliminable_invariants into account when deciding
1547 if register elimination should be done.
1548 (reload_as_needed): Take num_eliminable_invariants into account
1549 when deciding if register elimination should be done.
1550 (eliminate_regs): Handle non-constant reg_equiv_constant.
1551 * rtl.h (function_invariant_p): Declare.
1553 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
1555 * version.c: Bump for snapshot.
1557 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
1559 * version.c: Bump for snapshot.
1561 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
1563 * except.c (add_new_handler): Complain about additional handlers
1564 after one that catches everything.
1566 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
1568 * configure.in (alpha*-*-netbsd): Fix typo.
1569 * configure: Rebuilt.
1571 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1573 * system.h: Include libiberty.h.
1575 * c-aux-info.c: Remove prototypes for concat/concat3. Change
1576 function `concat' from fixed parameters to variable parameters,
1577 as is done in libiberty. All callers of concat/concat3
1578 changed to use the new `concat' with variable args.
1580 * cccp.c: Remove things made redundant by libiberty.h and/or
1581 conform to libiberty standards.
1583 * collect2.c: Likewise.
1584 * config/1750a/1750a.h: Likewise.
1585 * cppalloc.c: Likewise.
1586 * cppexp.c: Likewise.
1587 * cppfiles.c: Likewise.
1588 * cpphash.c: Likewise.
1589 * cpplib.c: Likewise.
1590 * dyn-string.c: Likewise.
1591 * fix-header.c: Likewise.
1594 * genattr.c: Likewise.
1595 * genattrtab.c: Likewise.
1596 * gencheck.c: Likewise.
1597 * gencodes.c: Likewise.
1598 * genconfig.c: Likewise.
1599 * genemit.c: Likewise.
1600 * genextract.c: Likewise.
1601 * genflags.c: Likewise.
1602 * gengenrtl.c: Likewise.
1603 * genopinit.c: Likewise.
1604 * genoutput.c: Likewise.
1605 * genpeep.c: Likewise.
1606 * genrecog.c: Likewise.
1607 * getpwd.c: Likewise.
1608 * halfpic.c: Likewise.
1610 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
1611 in NEED_DECLARATION_* macros.
1613 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
1614 conform to libiberty standards.
1615 (fatal): Fix const-ification of variable `format' in
1616 !ANSI_PROTOTYPES case.
1618 * prefix.c: Remove things made redundant by libiberty.h and/or
1619 conform to libiberty standards.
1621 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
1622 conflicting with function `spaces' from libiberty.
1624 * profile.c: Remove things made redundant by libiberty.h and/or
1625 conform to libiberty standards.
1626 * protoize.c: Likewise.
1629 * tlink.c: Likewise.
1630 * toplev.c: Likewise.
1631 * toplev.h: Likewise.
1634 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1636 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
1638 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1640 * README.C4X: Updated URLs.
1641 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
1642 (valid_parallel_operands_5): Remove unused variable.
1644 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1646 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
1648 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
1650 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
1651 which can be configured.
1652 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
1653 (Makefile): Pass actual LANGUAGES through the environment when
1655 (cstamp-h): Likewise.
1656 (config.status): Likewise.
1658 * configure.in (enable_languages): Add new configuration parameter
1659 "--enable-languages=lang1,lang2,...".
1660 (${srcdir}/*/config-lang.in): Change handling to configure only
1661 those directories, that the user might have enabled; default to
1662 "all" existing languages.
1663 * configure: Regenerate.
1665 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
1667 * rtlanal.c (regs_set_between_p): New function.
1668 * rtl.h (regs_set_between_p): Prototype it.
1669 * jump.c (jump_optimize): Use it instead of modified_between_p
1670 in the Sep 2 change.
1672 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
1673 Matthias Pfaller <leo@dachau.marco.de>
1675 * invoke.texi (Option Summary, NS32K Options): add description
1676 of NS32K specific options.
1678 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
1679 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
1680 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
1681 negdf2, absdf2): Use l instead of f since the double class and
1682 float class are no longer the same.
1683 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
1684 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
1685 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
1686 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
1688 (cmpsi, cmphi, cmpqi): use general_operand instead of
1689 non_immediate_operand. Removes erroneous assumption that can't
1691 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
1692 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
1694 (movstrsi, movstrsi1, movstrsi2): completely new block move
1696 (...): Patterns to exploit multiply-add instructions.
1697 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
1698 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
1699 patterns to exploit extended divide insns.
1700 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
1703 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
1704 float return values as well as simple scalar floats.
1705 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
1706 support new flag to denote 32381 fpu.
1707 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
1708 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
1710 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1711 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
1712 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
1713 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
1714 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
1715 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
1716 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
1717 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
1718 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
1719 fpu registers and special register classes for new 32381
1720 instructions dotf and polyf.
1721 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
1723 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
1724 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
1726 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
1727 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
1728 (REGISTER_MOVE_COST): move code to register_move_cost function for
1729 ease of coding and debugging.
1730 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
1731 LONG_FLOAT_REGO is likely spilled but not caught by default
1733 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
1734 instead of hard coded numbers in range check.
1735 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
1736 (...): Add prototypes for functions in ns32k.c but disable because
1737 of problems when ns32k.h is included in machine independant files.
1739 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
1740 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
1741 hard_regno_mode_ok, secondary_reload_class,
1742 print_operand, print_operand_address): new register scheme to
1743 include 32381 fpu registers and special register classes for new
1744 32381 instructions dotf and polyf.
1745 (gen_indexed_expr): Make static to keep namespace clean.
1746 (check_reg): remove since never called.
1747 (move_tail, expand_block_move): helper functions for "movstrsi"
1749 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
1750 Increase cost of moves which go via memory.
1751 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
1752 (CPP_PREDEFINES): nolonger predefine "unix".
1754 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
1755 Remove erroneous %$. print_operand() can work out from the rtx is
1756 an immediate prefix is required.
1758 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
1759 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
1760 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
1762 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
1765 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
1766 Correct handling of pic operands.
1767 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
1768 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
1769 -mrtd calling convention.
1771 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
1773 * gcc.c (option_map): Recognize --output-class-directory.
1775 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1777 * loop.h (precondition_loop_p): Added new mode argument.
1778 * unroll.c (precondition_loop_p): Likewise.
1779 (approx_final_value): Function deleted and subsumed
1780 into loop_iterations.
1781 (loop_find_equiv_value): New function.
1782 (loop_iterations): Use loop_find_equiv_value to find increments
1783 too large to be immediate constants. Also use it to find terms
1784 common to initial and final iteration values that can be removed.
1786 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1788 * loop.h (struct loop_info): Define new structure.
1789 (precondition_loop_p): Added prototype.
1790 (unroll_loop): Added new argument loop_info to prototype.
1791 (final_biv_value, final_giv_value): Added new argument n_iterations
1793 * loop.c (strength_reduce): Declare new structure loop_iteration_info
1794 and new pointer loop_info.
1795 (loop_n_iterations): Replace global variable by element in
1796 loop_info structure.
1797 (check_final_value): New argument n_iterations.
1798 (insert_bct): New argument loop_info.
1799 (loop_unroll_factor): Replace global array by element in
1800 loop_info structure.
1801 (loop_optimize): Remove code to allocate and initialise
1802 loop_unroll_factor_array.
1803 * unroll.c (precondition_loop_p): No longer static since
1804 used by branch on count optimization.
1805 (precondition_loop_p, unroll_loop): New argument loop_info.
1806 (final_biv_value, final_giv_value, find_splittable_regs): New
1807 argument n_iterations.
1808 (loop_iteration_var, loop_initial_value, loop_increment,
1809 loop_final_value, loop_comparison_code, loop_unroll_factor):
1810 Replaced global variables by loop_info structure.
1811 (loop_unroll_factor): Replace global array by element in
1812 loop_info structure.
1814 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1816 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
1819 * unroll.c (precondition_loop_p): Return loop_initial_value
1820 for initial_value instead of loop_iteration_var.
1822 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1824 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
1825 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
1826 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
1827 to output the instruction sequences.
1829 (rptb_top): Provide alternatives to use any register or memory
1831 (rptb_end): Emit use of operands rather than assigning them
1832 explicitly to the RS and RE registers.
1834 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1836 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
1837 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
1838 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
1839 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
1840 c4x_merge_notes, c4x_parallel_process,
1841 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
1842 c4x_combine_parallel): Delete.
1844 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1846 * config/c4x/c4x.c: (c4x_override_options): For compatibility
1847 with old target options clear flag_branch_on_count_reg if
1848 -mno-rptb specified and set flag_argument_alias is -mno-aliases
1850 (c4x_output_cbranch): Handle a sequence of insns rather than a
1852 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
1853 has not been allocated as the loop counter.
1854 (c4x_address_conflict): Do not allow two volatile memory references.
1855 (valid_parallel_operands_4, valid_parallel_operands_5,
1856 valid_parallel_operands_6): Reject pattern if the register destination
1857 of the first set is used as part of an address in the second set.
1859 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1861 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
1862 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
1863 is no longer enabled if PARALLEL_MPY_FLAG set.
1864 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
1865 (REG_CLASS_CONTENTS): Add braces around initializers.
1866 (HAVE_MULTIPLE_PACK): Define.
1867 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
1868 REAL_VALUE_TO_DECIMAL.
1869 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
1870 REAL_VALUE_TO_DECIMAL.
1871 (ar0_reg_operand): Add prototype.
1872 (ar0_mem_operand): Likewise.
1873 (ar1_reg_operand): Likewise.
1874 (ar1_mem_operand): Likewise.
1875 (ar2_reg_operand): Likewise.
1876 (ar2_mem_operand): Likewise.
1877 (ar3_reg_operand): Likewise.
1878 (ar3_mem_operand): Likewise.
1879 (ar4_reg_operand): Likewise.
1880 (ar4_mem_operand): Likewise.
1881 (ar5_reg_operand): Likewise.
1882 (ar5_mem_operand): Likewise.
1883 (ar6_reg_operand): Likewise.
1884 (ar6_mem_operand): Likewise.
1885 (ar7_reg_operand): Likewise.
1886 (ar7_mem_operand): Likewise.
1887 (ir0_reg_operand): Likewise.
1888 (ir0_mem_operand): Likewise.
1889 (ir1_reg_operand): Likewise.
1890 (ir1_mem_operand): Likewise.
1891 (group1_reg_operand): Likewise.
1892 (group1_mem_operand): Likewise.
1893 (ir1_reg_operand): Likewise.
1894 (arx_reg_operand): Likewise.
1895 (not_rc_reg): Likewise.
1896 (not_modify_reg): Likewise.
1897 (c4x_group1_reg_operand): Remove prototype.
1898 (c4x_group1_mem_operand): Likewise.
1899 (c4x_arx_reg_operand): Likewise.
1901 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
1903 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
1904 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
1906 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1908 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
1911 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1913 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
1914 unless FMOVD_WORKS is defined.
1916 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1918 * regclass.c (init_reg_sets): Move code that calculates tables
1919 dependent on reg_class_contents from here...
1920 (init_reg_sets_1): To here.
1922 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1924 * cpplib.h: Delete struct import_file. Add ihash element to
1925 struct cpp_buffer. Delete dont_repeat_files and
1926 import_hash_table elements from cpp_reader; change
1927 all_include_files to a hash table. Delete all foobar_include
1928 / last_foobar_include elements from struct cpp_options; put
1929 back four such: quote_include, bracket_include,
1930 system_include, after_include. Redo struct file_name_list
1931 completely. Add new structure type include_hash. Add
1932 prototypes for merge_include_chains and include_hash. Change
1933 prototypes for finclude, find_include_file, and
1934 append_include_chain to match changes below.
1936 * cppfiles.c (simplify_pathname, include_hash,
1937 remap_filename, merge_include_chains): New functions.
1938 (add_import, lookup_import, open_include_file): Removed.
1939 (INO_T_EQ): Define this (copied from cccp.c).
1940 (hack_vms_include_specification): Remove all calls and #if 0
1941 out the definition. It was being called incorrectly and at
1942 the wrong times. Until a VMSie can look at this, it's better
1943 to not pretend to support it.
1944 (append_include_chain): Change calling convention; now takes
1945 only one directory at a time, and sets up the data structure
1947 (redundant_include_p): Rewritten - this is now used for all
1948 include redundancy, whether by #ifndef, #import, or #pragma
1949 once. Looks up things in the include hash table.
1950 (file_cleanup): Decrement pfile->system_include_depth here if
1952 (find_include_file): Calling convention changed; now passes
1953 around a struct include_hash instead of 3 separate parameters.
1954 Guts ripped out and replaced with new include_hash mechanism.
1955 (finclude): Calling convention changed as for
1956 find_include_file. Error exits pulled out-of-line. Reformat.
1957 (safe_read): Return a long, not an int.
1958 (deps_output): Don't recurse.
1960 * cpplib.c (is_system_include): Deleted.
1961 (path_include): Fix up call to append_include_chain.
1962 (do_include): Fix up calls to find_include_file and finclude.
1963 Clean up dependency output a bit. Shorten obnoxiously lengthy
1964 #import warning message. Don't decrement
1965 pfile->system_include_depth here.
1966 (do_pragma): Understand the include_hash structure. Reformat.
1967 (do_endif): Correct handling of control macros. Understand
1969 (cpp_start_read): Fix up calls to finclude. Call
1970 merge_include_chains.
1971 (cpp_handle_option): Fix up calls to append_include_chain.
1972 Understand the four partial include chains.
1973 (cpp_finish): Add debugging code (#if 0-ed out) for the
1975 (cpp_cleanup): Free the include_hash, not the import hash and
1976 the all_include and dont_repeat lists which no longer exist.
1978 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
1980 * toplev.c (no_new_pseudos): Define.
1981 (rest_of_compilation): Set no_new_pseudos as needed.
1982 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
1983 if no_new_pseudos is set.
1984 * rtl.h (no_new_pseudos): Declare it.
1985 * reload1.c (reload): Update comments.
1986 * md.texi: Corresponding changes.
1988 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1990 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
1991 (choose_reload_regs): Rename it here as well. When computing it,
1992 also merge in used hardregs.
1994 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
1996 * gcc.c: Split out Objective-C specs to...
1997 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
2000 * c-lex.c (init_parse): Always initialize the filename global.
2001 * objc/objc-act.c (lang_init): Always call check_newline at
2004 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
2006 * reload1.c (reload): Remove unused variable.
2007 (reload_reg_free_for_value_p): Add missing parameter definition.
2009 * jump.c (jump_optimize): Remove unused variable.
2011 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
2013 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
2015 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
2017 * expr.c (move_by_pieces): Similarly.
2018 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
2019 * flow.c (find_auto_inc): Similarly.
2020 (try_pre_increment): Similarly.
2021 * loop.c (strength_reduce): Similarly.
2022 * regclass.c (auto_inc_dec_reg_p): Similarly.
2023 * regmove.c (try_auto_increment): Similarly.
2024 (fixup_match_1): Similarly.
2025 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
2026 (HAVE_PRE_DECREMENT): Similarly.
2027 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
2028 * Corresponding changes to all target header files.
2029 * tm.texi: Update docs for autoinc addressing modes.
2031 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
2033 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
2034 * configure: Rebuild.
2035 * config/elfos.h: New file.
2036 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
2037 config/m68k/t-m68kelf: New file.
2039 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
2041 * Makefile.in (HOST_AR): Define.
2042 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
2043 (libcpp.a): Use the host tools explicitly.
2044 (STAGESTUFF): Add libcpp.a.
2046 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
2048 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
2049 to source and destination registers.
2051 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
2053 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
2054 The strategy we now use is to pre allocate the top_elt along
2055 with the EH context so that each thread has its own top_elt.
2056 This is necessary as the dynmanic cleanup chain is used on the
2057 top element of the stack and each thread MUST have its own.
2058 (eh_context_static): Likewise.
2059 (new_eh_context): Likewise.
2060 (__sjthrow): Likewise.
2062 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
2064 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
2065 * i386.md (prologue_get_pc): Remove unused variable.
2067 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
2069 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
2071 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
2073 * Makefile.in (OBJS): Add graph.o
2074 (graph.o): New dependency list.
2075 * flags.h: Declare dump_for_graph and define graph_dump_types type.
2076 * print-rtl.c (dump_for_graph): Define new variable.
2077 (print_rtx): Rewrite to allow use in graph dumping functions.
2078 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
2079 finish_graph_dump_file.
2080 Define graph_dump_format.
2081 (compile_file): If graph dumping is enabled also clear these files.
2082 Finish graph dump files.
2083 (rest_of_compilation): Also dump graph information if enabled.
2084 (main): Recognize -dv to enabled VCG based graph dumping.
2085 * graph.c: New file. Graph dumping functions.
2087 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
2089 * configure.in: Look for <sys/stat.h>.
2090 * system.h: Include it before substitute S_ISREG definitions.
2092 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
2094 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
2095 * config/mips/iris6.h: Same.
2096 * config/mips/mips.md: Same.
2097 * config/mips/mips.c: Same; also add "-mabi=o64" option.
2098 * config/mips/mips.h: Same; also define ABI_O64.
2100 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2102 * configure.in: Use AC_PREREQ(2.12.1).
2104 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2106 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
2107 * cpplib.c, gcc.c: Likewise.
2108 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
2110 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
2112 * local-alloc.c (local_alloc): Use malloc not alloca for
2113 reg_qty, reg_offset, ref_next_in_qty.
2115 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2117 * caller-save.c (insert_one_insn): Initialize the live_before and
2118 live_after register sets.
2122 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
2123 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
2124 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
2125 (fp_reg_names, assembler_dialect): New variables.
2126 (print_operand_address): Handle SUBREGs.
2127 (print_operand): Added 'o' case.
2128 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
2129 Name of FP registers depends on mode.
2130 (expand_block_move): Emit different code for SH4 hardware.
2131 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
2132 (from_compare): Likewise.
2133 (add_constant): New argument last_value. Changed all callers.
2134 (find_barrier): Don't try HImode load for FPUL_REG.
2135 (machine_dependent_reorg): Likewise.
2136 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
2137 (gen_far_branch): Emit a barrier after the new jump.
2138 (barrier_align): Don't trust instruction lengths before
2140 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
2141 Use auto-inc addressing for fp registers if doubles need to
2142 be loaded in two steps.
2143 Set sh_flag_remove_dead_before_cse.
2144 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
2145 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
2146 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
2147 Support for FIRST_XD_REG .. LAST_XD_REG.
2148 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
2149 (sh_expand_epilogue): Likewise.
2150 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
2151 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
2152 (arith_reg_operand): FPUL_REG is OK for SH4.
2153 (fp_arith_reg_operand, fp_extended_operand) New functions.
2154 (tertiary_reload_operand, fpscr_operand): Likewise.
2155 (commutative_float_operator, noncommutative_float_operator): Likewise.
2156 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
2157 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
2158 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
2159 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
2160 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
2161 (CONDITIONAL_REGISTER_USAGE): Likewise.
2162 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
2163 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
2164 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
2165 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
2166 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
2167 to -1 and sh_flag_remove_dead_before_cse to 1.
2168 (ASSEMBLER_DIALECT): Define to assembler_dialect.
2169 (assembler_dialect, fp_reg_names): Declare.
2170 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
2171 Hide names of registers that are not accessible.
2172 (CACHE_LOG): Take TARGET_CACHE32 into account.
2173 (LOOP_ALIGN): Take TARGET_HARWARD into account.
2174 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
2175 (FIRST_PSEUDO_REGISTER: Now 49.
2176 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
2177 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
2178 (HARD_REGNO_MODE_OK): Update.
2179 (enum reg_class): Add DF_REGS and FPSCR_REGS.
2180 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
2181 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
2182 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
2183 (NPARM_REGS): Eight floating point parameter registers on SH4.
2184 (BASE_RETURN_VALUE_REG): SH4 also passes double values
2185 in floating point registers.
2186 (GET_SH_ARG_CLASS) Likewise.
2187 Complex float types are also returned in float registers.
2188 (BASE_ARG_REG): Complex float types are also passes in float registers.
2189 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
2190 (LIBCALL_VALUE): Remove trailing semicolon.
2191 (ROUND_REG): Round when double precision value is passed in floating
2193 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
2194 passed on the stack.
2195 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
2196 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
2197 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
2198 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
2199 (MODE_DISP_OK_8): Not for SH4 DFmode.
2200 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
2201 Allow indexed addressing for PSImode after reload.
2202 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
2203 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
2204 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
2205 (DOUBLE_TYPE_SIZE): 64 for SH4.
2206 (RTX_COSTS): Add PLUS case.
2207 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
2208 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
2209 MAC_REGS, PR_REGS, DF_REGS.
2210 (REGISTER_NAMES): Use fp_reg_names.
2211 (enum processor_type): Add PROCESSOR_SH4.
2212 (sh_flag_remove_dead_before_cse): Declare.
2213 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
2214 (PREDICATE_CODES): Add binary_float_operator,
2215 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
2216 fpscr_operand, noncommutative_float_operator.
2217 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
2218 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
2219 * sh.md (attribute cpu): Add value sh4.
2220 (attrbutes fmovd, issues): Define.
2221 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
2222 (function units memory, int, mpy, fp): Make dependent on issue rate.
2223 (function units issue, single_issue, load_si, load): Define.
2224 (function units load_store, fdiv, gp_fpul): Define.
2225 (attribute hit_stack): Provide proper default.
2226 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
2227 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
2228 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
2229 (mulsi3_call): Now uses match_operand for function address.
2230 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
2232 (push, pop, push_e, pop_e): Now define_expands.
2233 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
2234 (movsi_ie): Added y/i alternative.
2235 (ic_invalidate_line_i, movdf_i4): New insns.
2236 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
2237 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
2238 (movdf): Add special code for SH4.
2239 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
2240 (call_valuei, calli, call_value): Likewise.
2241 (movsf): Emit no-op move.
2242 (mov_nop, movsi_y): New insns.
2243 (blt, sge): generalize to handle DFmode.
2244 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
2245 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
2246 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
2247 (fpu_switch0, fpu_switch1, movpsi): New expanders.
2248 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
2249 (toggle_sz): New insn.
2250 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
2251 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
2252 (macsf3): Make use of fpscr visible. Disable for SH4.
2253 (floatsisf2): Make use of fpscr visible.
2254 (floatsisf2_i4): New insn.
2255 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
2256 (ieee_ccmpeqsf_t): Likewise.
2257 (fix_truncsfsi2): Emit different code for SH4.
2258 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
2259 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
2260 (negsf2, sqrtsf2, abssf2): Now expanders.
2261 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
2262 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
2263 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
2264 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
2265 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
2266 (fix_truncdfsi2_i4_2+1): New splitters.
2267 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
2268 (extendsfdf2, truncdfsf2): New expanders.
2269 (truncdfsf2_i4): New insn.
2270 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
2271 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
2272 * float-sh.h: When testing for __SH3E__, also test for
2273 __SH4_SINGLE_ONLY__ .
2274 * va-sh.h (__va_freg): Define to float.
2275 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
2276 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
2277 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
2278 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
2280 (TARGET_SH4_P): Define.
2283 * sh.md (movdf_k, movsf_i): Tweak the condition so that
2284 init_expr_once is satisfied about the existence of load / store insns.
2286 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
2287 change m constraint in source operand to mr / mf .
2289 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
2291 * (__VA_REEF): Define.
2292 (__va_arg_sh1): Use it.
2294 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
2296 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
2298 * i386/dgux.c (struct option): Add new "description field".
2299 * m88k/m88k.c (struct option): Likewise.
2301 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
2303 * version.c: Bump for snapshot.
2305 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2307 * regmove.c (regmove_profitable_p): Use return value of find_matches
2310 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
2312 * version.c: Bump for snapshot.
2314 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
2316 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
2317 without reload having been called earlier.
2319 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
2321 (v850_reorg): Similarly.
2323 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
2325 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2327 * loop.c (move_movables): Start of libcall might be new loop start.
2329 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2331 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
2333 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2335 * function.c (nonlocal_goto_handler_slots): Renamed from
2336 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
2337 (push_function_context_to): Adjust for this change.
2338 (pop_function_context_from): Likewise.
2339 (init_function_start): Likewise.
2340 (expand_function_end): Likewise.
2341 * function.h (struct function): Likewise.
2342 * calls.c (expand_call): Likewise.
2343 * explow.c (allocate_dynamic_stack_space): Likewise.
2344 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
2345 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
2347 (expand_goto): When doing a nonlocal goto, find corresponding handler
2348 slot for it. Don't put the label address in the static chain register.
2349 (expand_end_bindings): Break out nonlocal goto handling code into
2350 three new functions.
2351 (expand_nl_handler_label, expand_nl_goto_receiver,
2352 expand_nl_goto_receivers): New static functions, broken out of
2353 expand_end_bindings and adapted to create one handler per nonlocal
2355 * function.c (delete_handlers): Delete insn if it references any of
2356 the nonlocal goto handler slots.
2357 * i960.md (nonlocal_goto): Comment out code that modifies
2359 * sparc.md (nonlocal_goto): Likewise.
2360 (goto_handler_and_restore_v9): Comment out.
2361 (goto_handler_and_restore_v9_sp64): Comment out.
2363 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2365 * expr.c (STACK_BYTES): Delete unused macro.
2366 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
2367 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2368 (expand_call): Likewise.
2369 (emit_library_call): Likewise.
2370 (emit_library_call_value): Likewise.
2371 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
2372 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2373 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
2374 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2375 (allocate_dynamic_stack_space): Likewise.
2376 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
2377 (STACK_BOUNDARY): Update description to reflect the new situation.
2379 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
2381 * reorg.c (relax_delay_slots): When optimizing for code size, if a
2382 return with a filled delay slot is followed by a return with an
2383 unfilled delay slot, delete the first return and reemit the insn
2384 that was previously in its delay slot.
2386 * i860.c (single_insn_src_p): Add missing parens.
2387 * ginclude/math-3300.h: Likewise.
2389 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
2391 * regclass.c (init_reg_sets_1): Add prototype.
2392 (init_reg_modes): Likewise.
2394 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
2396 * c-common.c: Change warning messages to say `comparison is
2397 always true' or `comparison is always false' instead of the
2398 confusing `is always 0', `is always 1'.
2400 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
2402 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
2403 break instead of return (which loses closing '>').
2405 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
2407 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
2408 standard 387 constants.
2410 * i386.md (jump): Explicitly set "memory" attribute.
2411 (indirect_jump, prologue_set_stack_ptr): Likewise.
2412 (prologue_get_pc_and_set_got, pop): Likewise.
2413 (allocate_stack_worder, blockage, return_internal): Likewise.
2414 (return_pop_internal, nop): Likewise.
2415 (epilogue_set_stack_ptr, leave): Likewise.
2417 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
2419 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
2421 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2423 * reload1.c (reload_reg_free_for_value_p):
2424 Early auto_inc reloads don't conflict with outputs.
2426 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2428 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
2429 Instead call AC_HEADER_SYS_WAIT.
2431 * collect2.c: Don't provide defaults for sys/wait.h macros.
2433 * protoize.c: Likewise. Also, don't include sys/wait.h.
2435 * system.h: Include sys/wait.h and provide macro defaults.
2437 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2439 * Makefile.in (mandir): Set to @mandir@.
2440 (man1dir): New variable to hold the former value of $(mandir).
2441 Replace all uses of $(mandir) by $(man1dir).
2443 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
2445 * reload.c (find_reloads_address_part): If have a CONST_INT, create
2446 a new one before passing it to force_const_mem.
2448 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
2449 find_reloads_address call.
2451 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2453 * expr.c (store_expr): Don't generate load-store pair
2454 if TEMP is identical (according to ==) with TARGET.
2456 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2458 * reload1.c (reload_reg_free_for_value_p): When considered reload
2459 has an output, matching inputs are not sufficient to avoid conflict.
2461 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
2463 * hash.h (hash_table_key): New type.
2464 (hash_entry): Change `string' field to generic `key'.
2465 (hash_table): Add `comp' and `hash' functions.
2466 (hash_table_init): Take them as input.
2467 (hash_table_init_n): Likewise.
2468 (hash_lookup): Modify for generic keys.
2469 (hash_newfunc): Likewise.
2470 (hash_traverse): Likewise.
2471 (string_hash): New function.
2472 (string_compare): Likewise.
2473 (string_copy): Likewise.
2474 * hash.c (hash_table_init_n): Modify for generic keys.
2475 (hash_table_init): Likewise.
2476 (hash_lookup): Likewise.
2477 (hash_newfunc): Likewise.
2478 (hash_traverse): Likewise.
2479 (string_hash): Split out from hash_lookup.
2480 (string_compare): New function.
2481 (string_copy): Split out from hash_lookup.
2482 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
2484 (symbol_hash_lookup): Likewise.
2485 (file_hash_newfunc): Likewise.
2486 (file_hash_lookup): Likewise.
2487 (demangled_hash_newfunc): Likewise.
2488 (demangled_hash_lookup): Likewise.
2489 (tlink_int): Likewise.
2490 (read_repo_file): Likewise.
2491 (recompile_files): Likewise.
2492 (demangle_new_symbols): Likewise.
2493 (scan_linker_output): Likewise.
2495 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2497 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
2499 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
2501 * rs6000.c (output_mi_thunk): Improve test for local branch.
2503 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2505 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
2507 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2509 * reload1.c (reload_reg_free_before_p): Delete.
2510 Changed all callers to use reload_reg_free_for_value_p instead.
2511 (reload_reg_free_for_value_p): Handle more reload types.
2512 A RELOAD_FOR_INPUT doesn't conflict with its
2513 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
2514 Add special case for OUT == const0_rtx.
2515 Added ignore_address_reloads argument. Changed all callers.
2517 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
2519 * toplev.c (compile_file): Don't pedwarn about undefined static
2520 functions just because we passed -Wunused.
2522 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2524 * function.c (purge_addressof_1): Unshare rtl created by
2527 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2529 * regmove.c (regmove_optimize): Don't do anything but
2530 optimize_reg_copy[123] when flag_regmove is not set.
2532 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
2534 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
2535 value in paradoxical SImode result, rather than truncating midpoint.
2537 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
2539 * alpha.c (reg_not_elim_operand): New.
2540 * alpha.h (PREDICATE_CODES): Add it.
2541 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
2542 for the multiplicand.
2544 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
2546 * rs6000.md (movsf): Remove explicit secondary-reload-like
2547 functionality. Only truncate SFmode store if in FPR.
2548 (movsf splitters): Combine const_double splitters.
2549 (movsf_hardfloat): Add GPR support.
2551 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
2553 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
2554 deprecate -mlive-g0 and -mbroken-saverestore.
2555 * t-splet (MULTILIB_OPTIONS): Likewise.
2557 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
2558 in a leaf function. Clarify total_size/extra_size relationship.
2560 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
2562 * i386/cygwin32.asm: Delete.
2563 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
2564 * i386/cygwin32.h: Delete.
2565 * i386/cygwin.h: New file, renamed from cygwin32.h.
2566 * i386/t-cygwin32: Delete.
2567 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
2568 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
2569 * i386/x-cygwin32: Delete.
2570 * i386/x-cygwin: New file, renamed from x-cygwin32.
2571 * i386/xm-cygwin32: Delete.
2572 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
2573 renamed cygwin_ funcs for path translations.
2574 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
2575 * i386/winnt.c: Remove "32" from comment about cygwin.
2576 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
2577 * rs6000/cygwin32.h: Delete.
2578 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
2579 -D__CYGWIN__ to CPP_PREDEFINES.
2580 * rs6000/x-cygwin32: Delete.
2581 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
2582 * rs6000/xm-cygwin32: Delete.
2583 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
2585 * configure.in: Check for cygwin* instead of cygwin32. Account
2586 for the rename of cygwin-related config files to lose the "32"s.
2587 * configure: Regenerate.
2589 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
2590 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
2592 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
2594 * Makefile.in (JAVAGC): New macro.
2595 * configure: Rebuilt.
2596 * configure.in: Recognize --enable-java-gc argument. Subst
2599 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2601 Handle equivalences that have been obscured by gcse:
2603 * reload1.c (reload): Handle equivalences set up in multiple places.
2604 * local-alloc.c (reg_equiv_init_insns): New variable.
2605 (no_equiv): New function.
2606 (update_equiv_regs): Handle equivalences set up in multiple places.
2607 Don't ignore an insn just because its destination is likely to be
2610 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
2612 * except.c (expand_eh_return): Readd force_operand call lost in
2615 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
2617 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
2619 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2621 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
2623 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2625 * regmove.c (regmove_optimize): Fix error in last change.
2627 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
2629 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
2630 offset in the .mask pseudo to compensate for frame pointer adjustments.
2631 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
2632 word swap arguments moved to/from FP registers.
2633 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
2635 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
2637 * version.c: Bump for snapshot.
2639 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
2641 * version.c: Bump for snapshot.
2643 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
2645 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
2646 times, then it can not be completely replaced.
2648 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
2650 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
2652 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2654 * gansidecl.h: Prepend a "G" to the macro wrapping this file
2655 (to distinguish it from the macro wrapping ansidecl.h.)
2656 Include libiberty's ansidecl.h. Remove all redundant definitions.
2657 Define the PROTO() style macros in terms of the PARAMS() ones.
2660 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
2661 __STDC__, when deciding whether to use ANSI variable args.
2662 (emit_library_call_value): Likewise.
2664 * cccp.c (error): Likewise.
2665 (warning): Likewise.
2666 (error_with_line): Likewise.
2667 (warning_with_line): Likewise.
2668 (pedwarn): Likewise.
2669 (pedwarn_with_line): Likewise.
2670 (pedwarn_with_file_and_line): Likewise.
2673 * cexp.y (error): Likewise.
2674 (pedwarn): Likewise.
2675 (warning): Likewise.
2677 * collect2.c (fatal_perror): Likewise.
2681 * combine.c (gen_rtx_combine): Likewise.
2683 * cpperror.c (cpp_message): Likewise.
2684 (cpp_fatal): Likewise.
2686 * cpplib.c (cpp_error): Likewise.
2687 (cpp_warning): Likewise.
2688 (cpp_pedwarn): Likewise.
2689 (cpp_error_with_line): Likewise.
2690 (cpp_warning_with_line): Likewise.
2691 (cpp_pedwarn_with_line): Likewise.
2692 (cpp_pedwarn_with_file_and_line): Likewise.
2694 * cpplib.h: Don't define PARAMS() macro.
2696 * demangle.h: Likewise.
2698 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
2699 when deciding whether to use ANSI variable args.
2701 * emit-rtl.c (gen_rtx): Likewise.
2702 (gen_rtvec): Likewise.
2704 * final.c (asm_fprintf): Likewise.
2706 * fix-header.c (cpp_message): Likewise.
2708 (cpp_fatal): Likewise.
2710 * gcc.c (concat): Likewise.
2714 * genattr.c (fatal): Likewise.
2716 * genattrtab.c (attr_rtx): Likewise.
2717 (attr_printf): Likewise.
2720 * gencodes.c (fatal): Likewise.
2722 * genconfig.c (fatal): Likewise.
2724 * genemit.c (fatal): Likewise.
2726 * genextract.c (fatal): Likewise.
2728 * genflags.c (fatal): Likewise.
2730 * genopinit.c (fatal): Likewise.
2732 * genoutput.c (fatal): Likewise.
2735 * genpeep.c (fatal): Likewise.
2737 * genrecog.c (fatal): Likewise.
2739 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
2740 deciding whether to declare `tree_node' and `rtx_def'.
2742 * hash.h: Don't define stuff we get from gansidecl.h.
2744 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
2745 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2746 whether to use ANSI variable args.
2749 * prefix.c (concat): Likewise.
2753 * system.h: Likewise.
2755 * toplev.c (error_with_file_and_line): Likewise.
2756 (error_with_decl): Likewise.
2757 (error_for_asm): Likewise.
2760 (warning_with_file_and_line): Likewise.
2761 (warning_with_decl): Likewise.
2762 (warning_for_asm): Likewise.
2763 (warning): Likewise.
2764 (pedwarn): Likewise.
2765 (pedwarn_with_decl): Likewise.
2766 (pedwarn_with_file_and_line): Likewise.
2768 (really_sorry): Likewise.
2770 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2771 whether to declare `tree_node' and `rtx_def'.
2773 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
2774 deciding whether to use ANSI variable args.
2775 (build_nt): Likewise.
2776 (build_parse_node): Likewise.
2778 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
2780 * version.c: Bump for snapshot.
2782 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2784 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
2786 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
2788 * collect2.c (main, case 'b'): Use else if.
2790 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2792 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
2793 Arrange to include gansidecl.h in {ht}config.h & tm.h just
2794 before the config/ directory headers.
2795 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
2796 gansidecl.h in the list of dependencies.
2798 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
2799 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
2800 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
2801 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
2802 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
2803 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
2806 * cccp.c: Don't include gansidecl.h.
2808 * collect2.c: Likewise.
2809 * config/c4x/c4x.c: Likewise.
2810 * config/v850/v850.h: Likewise.
2811 * cppalloc.c: Likewise.
2812 * cpperror.c: Likewise.
2813 * cppexp.c: Likewise.
2814 * cppfiles.c: Likewise.
2815 * cpphash.c: Likewise.
2816 * cpplib.c: Likewise.
2817 * cppmain.c: Likewise.
2818 * cppulp.c: Likewise.
2819 * demangle.h: Likewise.
2820 * doprint.c: Likewise.
2821 * dyn-string.c: Likewise.
2822 * eh-common.h: Likewise.
2823 * fix-header.c: Likewise.
2824 * frame.c: Likewise.
2827 * gen-protos.c: Likewise.
2828 * gencheck.c: Likewise.
2829 * halfpic.h: Likewise.
2831 * machmode.h: Likewise.
2832 * mbchar.c: Likewise.
2833 * prefix.c: Likewise.
2834 * protoize.c: Likewise.
2835 * recog.h: Likewise.
2837 * scan-decls.c: Likewise.
2839 * varray.h: Likewise.
2841 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
2843 * i386.md (call_value_pop): If we're not popping anything,
2844 defer to call_value.
2845 (call_pop): Likewise defer to call.
2847 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
2849 * function.c (purge_addressof): Clear purge_addressof_replacements
2850 only after processing the whole function.
2852 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
2854 * reload1.c (reload): If we can not perform a particular elimination
2855 when we thought we could earlier, then we must always iterate through
2856 the loop at least one more time.
2858 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
2860 * alpha.c (add_operand): Simplify the CONST_INT match.
2861 (sext_add_operand): Correct typo in comparison by using
2862 CONST_OK_FOR_LETTER_P.
2863 * alpha.md (s?addq): Use sext_add_operand to allow the negative
2864 constant alternatives to be generated.
2865 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
2866 small constants, since the hw instructions do.
2868 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2870 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
2871 previous insn to store directly into our reload register, make sure
2872 that if the source of the previous insn is a reload register, its
2873 spill_reg_store and spill_reg_stored_to values are cleared.
2875 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
2877 * rs6000.md (floatunssidf2_internal splitter): Use base register
2878 operand, not hard-coded SP.
2880 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2882 * jump.c (calculate_can_reach_end): Fix thinko.
2884 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
2886 * reorg.c (fill_simple_delay_slots): Fix typo.
2888 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
2890 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
2892 * i386.md (extendsidi2): Use # in the output template.
2893 (extendsidi splitters): New splitters.
2895 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
2897 * configure.in: Use unknown-elf.h as tm_file for arm-elf
2899 * configure: Regenerate.
2901 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2903 * jump.c (init_label_info, delete_barrier_successors,
2904 mark_all_labels, delete_unreferenced_labels,
2905 delete_noop_moves, calculate_can_reach_end): New functions broken
2906 out of jump_optimize.
2907 (jump_optimize): Use them.
2909 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2911 * except.c (expand_fixup_region_end): Make sure outer context labels
2912 are not issued in an inner context during cleanups.
2914 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
2916 * alpha.md (addsi3, subsi3): No new temporaries once cse is
2919 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
2921 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
2922 to expose this midpoint to CSE.
2924 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2926 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
2928 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2930 * configure.in: Bring over gcc2 change of Nov 19 1997.
2932 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
2934 * toplev.c (output_lang_identify): Make definition dependent on
2935 ASM_IDENTIFY_LANGUAGE.
2937 * print-rtl.c (spaces): Make static.
2939 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
2941 * extend.texi: Clarify proper uses for register clobbers in asms.
2943 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2945 * recog.h (enum op_type): Define.
2946 (constrain_operands): Adjust prototype.
2947 (recog_op_type): Declare new variable.
2948 * recog.c (recog_op_type): New variable.
2949 (insn_invalid_p): Allow modifying an asm statement after reload.
2950 (extract_insn): Set up recog_op_type.
2951 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
2952 Don't compute operand types, use recog_op_type.
2953 Use the information computed by extract_insn instead of the previous
2954 method of finding it by insn code number.
2955 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
2956 * reorg.c (fill_slots_from_thread): Likewise.
2957 * reload1.c (reload_as_needed): Likewise.
2958 (gen_reload): Likewise.
2959 (inc_for_reload): Likewise.
2960 (reload_cse_simplify_operands): Likewise.
2961 Use the information computed by extract_insn instead of the previous
2962 method of finding it by insn code number.
2963 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
2965 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
2966 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
2967 Use the information computed by extract_insn instead of the previous
2968 method of finding it by insn code number.
2969 * regmove.c (find_matches): Likewise. Change meaning of the return
2970 value to be nonzero if the optimization can be performed, zero if
2971 not. All callers changed.
2972 Shorten some variable names to fix formatting problems.
2973 (regmove_optimize): Shorten some variable names to fix formatting
2975 Use the information computed by extract_insn instead of the previous
2976 method of finding it by insn code number.
2977 * regclass.c (scan_one_insn): Likewise.
2978 (record_reg_classes): Don't compute operand types, use recog_op_type.
2979 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
2980 recog_constraints instead.
2982 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
2984 * rtl.h (flow2_completed): Declare.
2985 * flow.c (flow2_completed): Definition.
2986 * toplev.c (rest_of_compilation): Set and clear flow2_completed
2989 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2991 * Makefile.in (libcpp.a): Ranlib libcpp.a
2993 * cppulp.c (user_label_prefix): Initialize.
2995 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
2997 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
2998 at a RETURN if current_function_sp_is_unchanging is set.
3000 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3002 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
3004 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
3006 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
3007 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
3008 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
3009 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
3010 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
3011 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
3013 (LIB_SPEC): Handle -mno-cyginw option.
3014 (LINK_SPEC): Handle -mdll.
3016 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3018 * reload.c (find_reloads): Fix test for usage by other reload
3019 to handle secondary reloads properly.
3021 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3023 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
3024 intermediate structure which has exactly the members provided by
3025 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
3026 static intermediate structure.
3028 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
3029 from the intermediate structure. Do the same analogous fix in
3030 the case where ELIMINABLE_REGS is not defined.
3032 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
3034 * pa.h (SELECT_SECTION): Fix thinko.
3036 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
3038 * dwarf2out.c (output_call_frame_info): Comments on last change.
3040 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
3042 * arm.c (add_constant): When taking the address of an item in the
3043 pool, get the mode of the item addressed.
3045 * arm.c (final_prescan_insn case INSN): If an insn doesn't
3046 contain a SET or a PARALLEL, don't consider it for conditional
3049 Restore ABI compatibility for NetBSD.
3050 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
3052 (RETURN_IN_MEMORY): Likewise.
3054 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
3056 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
3057 (m32r_output_block_move): Rewrite bytes < 4 handling.
3059 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3061 * configure.in: Call AC_FUNC_VFORK.
3063 * collect2.c: Define VFORK_STRING as a printable string for
3064 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
3065 defined, include vfork.h. If VMS is defined, define vfork()
3066 appropriately. Remove vfork check on USG, we're using autoconf.
3067 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
3068 checking locally what string to pass.
3069 (scan_prog_file): Likewise.
3070 (scan_libraries): Likewise.
3072 * gcc.c: Remove vfork check on USG, we're using autoconf.
3073 Besides, no calls to vfork/fork occur in this file.
3075 * protoize.c: Likewise.
3077 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3079 * configure.in (DEFAULT_LINKER): renamed from LD
3080 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
3081 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
3082 * configure: rebuilt
3084 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3086 * BUGS: fix the regexp for `more' to find the appropriate node.
3087 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
3089 * BUGS: added link to the WWW FAQ
3091 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
3093 * version.c: Bump for snapshot.
3095 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
3097 * From Christian Gafton:
3098 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
3099 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
3100 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
3102 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
3104 * c-common.c (c_get_alias_set): Allow all type-punning through
3105 unions. Don't get confused about the type of a bit-field, despite
3106 the antics of build_modify_expr.
3108 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
3110 * fixinc.sco: Paramaterize #include_next values.
3111 * fixinc/fixinc.sco: Likewise.
3113 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
3115 * toplev.c (rest_of_compilation): No longer set reload_completed.
3116 * reload1.c (reload): Set it here. Perform instruction splitting
3117 after reload has completed if we will be running the scheduler
3120 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
3122 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
3123 EH region if exceptions are enabled and we're performing cross
3125 (find_cross_jump): Exit loop if the insns are in different EH regions.
3127 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
3129 * dwarf2out.c (output_call_frame_info): Use
3130 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
3132 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3134 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
3135 * c-common.c (check_format_info): Don't check for the 'x'
3136 format character twice, instead check for 'x' and 'X'
3138 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
3140 * configure.in (assembler features): Also make gas is configured if
3141 we find it in the souce tree.
3143 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
3145 * i386.c (i386_comp_type_attributes): Compare whether the
3146 attributes are defined, not their tree nodes.
3148 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3150 * configure.in (gxx_include_dir): bitten by autoconf quoting
3152 * configure: rebuilt
3154 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3156 * configure.in: Ignore non-absolute value in $AS.
3158 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
3160 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
3162 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
3164 * configure.in (msdosdjgpp): Set exeext and target_alias.
3166 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3168 * flow.c (XNMALLOC): New macro.
3169 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
3171 (add_edge, add_edge_to_label): New static functions.
3172 (free_bb_memory): New function.
3173 (flow_delete_insn): Delete function.
3174 (basic_block_drops_in): Delete variable.
3175 (find_basic_blocks): Allocate and initialize basic_block_head,
3176 basic_block_succ. Don't allocate basic_block_drops_in.
3177 Call free_bb_memory at the beginning.
3178 (find_basic_blocks_1): Don't do multiple passes.
3179 Delete code to compute basic_block_drops_in.
3180 After calling make_edges, mark blocks reached by current block live.
3181 Update test for unreachable live blocks.
3182 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
3184 Simplify to call add_edge_to_label when a LABEL_REF is found.
3185 (make_edges): Simplify to call add_edge_to_label instead of
3186 mark_label_ref most of the time.
3187 Compute here whether control drops into the next block.
3188 (delete_unreachable_blocks): Return void. All callers changed.
3189 Delete unreachable blocks in reverse order.
3190 After deleting all unreachable blocks, renumber the remaining ones
3191 and update n_basic_blocks.
3192 (delete_block): Speed up deletion a bit.
3193 Don't set basic_block_drops_in for deleted blocks.
3194 (free_basic_block_vars): Don't free basic_block_drops_in.
3195 (life_analysis_1): Update to use new edge representation.
3196 (dump_flow_info): Delete code to print basic block info; call
3197 dump_bb_data instead.
3198 (compute_preds_succs): Delete code to recompute basic_block_drops_in
3199 and uid_block_number.
3200 Simply copy the previously computed cfg.
3201 (dump_bb_data): New arg LIVE_INFO. All callers changed.
3202 Print register lifetime information if LIVE_INFO is nonzero.
3203 * basic-block.h (dump_bb_data): Adjust prototype.
3204 * gcse.c (gcse_main): Update call to dump_bb_data.
3205 * rtl.h (free_bb_memory): Declare.
3206 * toplev.c (rest_of_compilation): Call free_bb_memory.
3208 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
3209 (update_eliminable_offsets): Don't compute it.
3210 (set_initial_elim_offsets): Don't initialize it.
3211 Break out some code into set_initial_label_offsets so the rest of
3212 this function can be called from reload_as_needed.
3213 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
3214 ELIMINABLE_REGS isn't.
3215 (set_initial_label_offsets): New function, broken out of
3216 set_initial_elim_offsets.
3217 (set_offsets_for_label): New function, broken out of set_label_offsets
3218 and reload_as_needed.
3219 (reload): Call the two new functions.
3220 (reload_as_needed): Call set_initial_elim_offsets instead of
3221 duplicating the code. Likewise for set_offsets_for_label.
3223 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
3224 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
3225 any hard reg, reg_reloaded_dead contains valid data.
3227 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
3229 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
3230 "stdcall" and "cdecl" attributes.
3232 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
3234 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
3235 handle deleted no-op moves of hard registers.
3236 * haifa-sched.c (update_flow_info): Likewise.
3238 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
3240 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
3241 of the sequences to reload the HILO register which do not actually
3244 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
3246 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
3248 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
3250 * except.c (emit_eh_context): Make the EH context register stay alive
3251 at -O0 so stupid.c doesn't get confused.
3253 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3255 * emit-rtl.c (try_split): Do not try to split a BARRIER.
3257 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
3258 Jeffrey A Law (law@cygnus.com)
3260 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
3261 (zero_extendsidi2): Use # in output template and handle completely by
3263 (zero_extend splitters): New define_splits.
3264 (ashiftrt_32): New pattern.
3266 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3268 * tree.c (append_random_chars): New fn.
3269 (get_file_function_name_long): Use it.
3271 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
3273 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
3274 (LIBCPP_OBJS): New. Add cppulp.o.
3275 (cppmain, fix-header): Depend on and use libcpp.a.
3276 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
3277 of the individual object files.
3278 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
3281 * cccp.c (user_label_prefix): New.
3282 (main): Set it off -f*leading-underscore.
3283 (special_symbol): Use it.
3284 * cpplib.c (special_symbol): Likewise.
3285 (cpp_handle_option): Handle -f*leading-underscore.
3286 * cppulp.c: New file.
3288 * output.h (user_label_prefix): Declare it.
3289 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
3290 * toplev.c (f_options, main): Handle -f*leading-underscore.
3292 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
3293 referencing USER_LABEL_PREFIX directly.
3294 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
3295 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
3296 * final.c (asm_fprintf): Use user_label_prefix instead.
3297 * arm/thumb.c (thumb_print_operand): Likewise.
3299 * gcc.c (default_compilers): Pass -f*leading-underscore on to
3300 cpp wherever appropriate.
3302 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
3304 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
3305 specific compiler switches.
3307 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
3309 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
3312 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3314 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
3315 structure which has exactly the members provided by EXTRA_SPECS.
3316 Xmalloc() the real `extra_specs', and initialize it from this
3317 intermediate structure.
3319 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
3321 * mips.h (EXTRA_SPECS): Likewise.
3323 * sparc.h (EXTRA_SPECS): Likewise.
3325 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3327 * function.c (purge_addressof_1): Instead of aborting when a
3328 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
3329 work just put the ADDRESSOF on stack. Otherwise remember all such
3330 successfull replacements, so that exactly the same replacements
3331 can be made on the REG_NOTEs. Remove the special case for CALL
3333 (purge_addressof_replacements): New variable.
3334 (purge_addressof): Clear it at end.
3336 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3338 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
3339 (lang_init): Call check_newline always.
3340 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
3341 cpp_start_read, set yy_cur and yy_lim to read from
3342 parse_in.token_buffer, so that we'll see the first #line
3344 * cpplib.c (cpp_start_read): finclude the main input file
3345 before processing -include/-imacros. Process -imacros and
3346 -include separately, and handle -include by stacking a
3347 buffer for the file in question as if it'd been #included.
3348 * toplev.c (documented_lang_options) Recognize -H when
3351 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3353 * cpplib.c: Merge do_once into do_pragma. Break file handling
3354 code out of do_include.
3355 Move append_include_chain, deps_output,
3356 file_cleanup, redundant_include_p, import_hash,
3357 lookup_import, add_import, read_filename_string, read_name_map,
3358 open_include_file, finclude, safe_read to cppfiles.c.
3359 Move prototypes for deps_output, append_include_chain,
3360 finclude to cpplib.h. Move definition of struct
3361 file_name_list there also.
3363 * cppfiles.c: New file. Contains all the above functions
3364 broken out of cpplib.c; also hack_vms_include_specification
3365 from cccp.c and find_include_file, a new function broken out of
3368 * Makefile.in (cppmain): Depend on cppfiles.o.
3369 (fix-header): Likewise.
3370 (cppfiles.o): New target.
3371 * configure.in (--enable-c-cpplib): Add cppfiles.o to
3372 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
3374 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
3376 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
3377 if pending_types is non-zero.
3378 (dwarfout_finish): Verify pending_types is zero before finishing.
3380 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
3382 * expr.c (convert_move): Use shifts to perform the move if a
3383 suitable extend pattern cannot be found. Code written by
3384 Richard Henderson <rth@cygnus.com>.
3386 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3388 * regclass.c (renumber, regno_allocated): New static variables, moved
3389 out of allocate_reg_info.
3390 (allocate_reg_info): Move these two variables outside the function.
3391 Move code to free memory into new function free_reg_info.
3392 (free_reg_info): New function, broken out of allocate_reg_info.
3393 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
3394 * rtl.h (allocate_reg_info): Don't declare.
3395 (free_reg_info): Declare.
3397 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
3399 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
3401 * toplev.c (compile_file): Temporarily revert last change.
3403 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3405 * c-typeck.c (convert_for_assignment): Parenthesize.
3407 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3409 * reload1.c (delete_output_reload): Avoid ambigous else.
3411 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
3413 * toplev.c (compile_file): Call allocate_reg_info to free register
3415 * rtl.h (allocate_reg_info): Declare.
3417 * PROJECTS: Remove entry for local spilling.
3419 * final.c (cleanup_subreg_operands): New function.
3420 (final_scan_insn): Use it.
3421 (alter_subreg): Clear the "used" field when we turn a SUBREG into
3423 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
3424 operands when reload has finished.
3425 * reload.h (cleanup_subreg_operands): Declare..
3426 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
3427 reload. Handled in reload itself.
3429 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3431 * reload1.c (verify_initial_offsets): New function.
3432 (reload): Call it after reload_as_needed. Also verify that the frame
3433 size stays constant during reload_as_needed.
3434 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
3436 * reload.h (struct insn_chain): Add need_operand_change element.
3437 * reload1.c (new_insn_chain): Clear it.
3438 (calculate_needs_all_insns): Set it; don't overload need_reload.
3439 (reload_as_needed): Use it.
3441 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
3442 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
3443 and reload_address_index_reg_class.
3444 (find_reloads_address_1): Likewise.
3445 * reload.h (reload_address_base_reg_class,
3446 reload_address_index_reg_class): Don't declare.
3447 * reload1.c (reg_old_renumber, pseudo_previous_regs,
3448 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
3449 (used_spill_regs): Now static.
3450 (reload_address_base_reg_class, reload_address_index_reg_class,
3451 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
3452 basic_block_needs, max_needs, group_size, group_mode, max_groups,
3453 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
3456 (init_reload): Delete code to compute base/index reg classes.
3457 (reload): Delete variable J.
3458 Delete code to manage basic_block_needs.
3459 Don't compute regs_explicitly_used.
3460 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
3461 pseudo_previous_regs.
3462 Initialize bad_spill_regs_global.
3463 Don't call order_regs_for_reload here.
3464 Don't initialize spill_reg_order and n_spills.
3465 Don't forbid explicitly used regs to be used for spill regs.
3466 Change main loop to infinite loop, with explicit break statements.
3467 Make SOMETHING_CHANGED variable local to that loop.
3468 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
3469 max_groups_insn, max_nongroups_insn, group_size, group_mode.
3470 Make sure spilled_speudos is cleared before calling spill_hard_reg or
3472 Don't call dump_needs.
3473 Delete code to reset potential_reload_regs.
3474 Delete code to terminate loop conditional on the global needs variables
3475 showing no further needs.
3476 (calculate_needs_all_insns): Return void. All callers changed.
3477 Initialize somehing_needs_elimination here, not in reload.
3478 Delete avoid_return_reg kludge.
3479 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
3480 All callers changed.
3481 Initialize the group_mode and group_size elements of the arg CHAIN.
3482 Delete code to manage basic_block_needs.
3483 Operate on elements of CHAIN instead of global variables.
3484 Delete avoid_return_reg kludge.
3485 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
3486 All callers changed.
3487 Operate on elements of CHAIN instead of global variables.
3488 Delete special SMALL_REGISTER_CLASSES code.
3489 Delete spill_failure code; now in new_spill_reg.
3490 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
3491 All callers changed.
3492 Operate on elements of CHAIN instead of global variables.
3493 (maybe_mark_pseudo_spilled): New static function.
3494 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
3495 All callers changed.
3496 Operate on elements of CHAIN instead of global variables.
3497 Call order_regs_for_reload here, not in reload.
3498 Initialize spill_reg_order and n_spills.
3499 Simplify test whether an asm insn is involved.
3500 Delete spill_failure code; now in new_spill_reg.
3501 Call maybe_mark_pseudo_spilled for everything marked as live in
3502 CHAIN. Merge CHAIN's used_spill_regs into the global variable
3504 (dump_needs): Take CHAIN arg. No longer static, to prevent the
3505 compiler from optimizing this function (now unused) away.
3506 Operate on elements of CHAIN instead of global variables.
3507 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
3509 Operate on elements of CHAIN instead of global variables.
3510 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
3511 take CHAIN arg. All callers changed.
3512 Operate on elements of CHAIN instead of global variables.
3513 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
3514 CHAIN, NONGROUP args. Return void. All callers changed.
3515 Verify caller isn't trying to spill a pseudo.
3516 Simplify test for illegal reg, just use bad_spill_regs.
3517 Generate better error messages.
3518 Operate on elements of CHAIN instead of global variables.
3519 Mark spilled register in CHAIN's used_spill_regs element.
3520 Don't call spill_hard_reg.
3521 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
3522 Mark spilled hard regs in bad_spill_regs_global.
3523 Mark affected pseudos in spilled_pseudos, but don't spill them.
3524 (ior_hard_reg_set): New static function.
3525 (finish_spills): Return int. All callers changed.
3526 Compute spill_reg_order, n_spills and spill_regs here. Also update
3527 regs_ever_live for regs used as spills.
3528 For every pseudo in spilled_pseudos, spill it and mark the previous
3529 hard reg it had in pseudo_previous_regs. Compute which hard regs
3530 arseudo): New static function.
3531 (order_regs_for_reload): Take CHAIN arg. All callers changed.
3532 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
3533 hard registers explicitly used across the current insn into the set.
3534 Compute hard_reg_n_uses taking only pseudos live across this insn
3536 Tweak sorting of potential_reload_regs.
3537 (compare_spill_regs): Delete function.
3538 (reload_as_needed): Don't sort the spill_regs array, it's computed
3539 in proper order in finish_spills.
3540 Delete avoid_return_reg kludge.
3541 Delete code to manage basic_block_needs.
3542 (allocate_reload_reg): Minor speed/readability tweaks.
3543 Operate on elements of CHAIN instead of global variables.
3544 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
3545 Delete avoid_return_reg kludge.
3546 Initialize reload_reg_used from CHAIN's used_spill_regs element.
3547 Delete unused label FAIL.
3548 (reload_combine): Replce reload_address_index_reg_class with
3550 Don't use used_spill_regs to determine information about lifetime of
3553 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
3555 * toplev.c (display_help): Ignore empty target specific
3556 options, and if -W is also specified on the command line then
3557 display undocumented options.
3559 * config/arm/arm.c: Updated with changes in devo sources.
3560 * config/arm/arm.h: Updated with changes in devo sources.
3561 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
3562 * config/arm/lib1thumb.asm: Add ELF support.
3564 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
3566 * collect2.c (aix64_flag): New variable.
3567 (main, case 'b'): Parse it.
3568 (GCC_CHECK_HDR): object magic number must match mode.
3569 (scan_prog_file): Only check for shared object if valid header.
3570 Print debugging if header/mode mismatch.
3572 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
3574 Added support for arm-elf-linux configuration, submitted by Philip
3575 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
3576 code developed by Catherine Moore <clm@cygnus.com>. The following
3579 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
3582 * configure: Regenerated.
3584 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
3585 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
3586 definitions conditional on their not having been already defined.
3588 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
3589 and .type directives, and add "(PLT)" qualification to function
3592 * config/arm/linux.h: Deleted. This file is now superceeded by
3593 either linux-elf.h or linux-aout.h.
3595 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
3596 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
3598 Move definitions from old linux.h file here.
3600 * config/arm/elf.h: New file. Generic ARM/ELF support.
3602 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
3604 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
3606 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
3607 using the 26bit APCS.
3609 * config/arm/unknown-elf.h: New file. Support for OS'es other
3610 than Linux with ELF.
3612 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
3615 * config/arm/coff.h: Include aout.h for basic assembler macros.
3616 Add support for -mstructure_size_boundary=<n> command line option.
3618 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
3619 command line option. Make macro definitions conditional on their
3620 not having been already defined.
3622 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
3623 command line option.
3626 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
3628 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
3629 has been changed to not include a newline. Use this macro instead.
3630 (output_enumeral_list, const_value_attribute, name_attribute,
3631 comp_dir_attribute, prototyped_attribute, producer_attribute,
3632 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
3633 dwarfout_file_scope_decl, generate_new_sfname_entry,
3634 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
3635 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
3637 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
3639 * combine.c (subst): Process the inputs to a parallel asm_operands
3642 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
3644 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
3646 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
3648 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
3650 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
3652 * version.c: Bump for snapshot.
3654 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
3656 * stmt.c (expand_fixup): Set fixup->before_jump to a
3657 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
3659 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3661 * Makefile.in (recog.o): Depend on toplev.h.
3662 (insn-emit.o): Depend on recog.h.
3663 (insn-peep.o): Depend on recog.h and insn-config.h.
3665 * combine.c (simplify_set): Remove unused variable `scratches'.
3667 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
3668 and `idx' in macro conditional controlling their use.
3670 * genemit.c (main): Make the generated output file include
3671 recog.h. Don't have it declare `insn_operand_constraint', since
3672 we get it from recog.h.
3674 * genpeep.c (main): Make the generated output file include
3675 insn-config.h and recog.h.
3677 * recog.c: Include toplev.h.
3678 (extract_insn): Remove unused variable `p'.
3680 * regclass.c (fix_register): Add missing braces around initializer
3682 (allocate_reg_info): Move variable `i' into the scope where it is
3683 used. Change its type to `size_t'.
3685 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3687 * reload.c (push_reload): When merging reloads, make sure
3688 that reload_in_reg and reload_in are from the same reload in
3691 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
3693 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
3694 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
3696 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
3698 * loop.c (loop_has_tablejump): New variable.
3699 (prescan_loop): Scan for it.
3700 (insert_bct): Replace explicit scan with use of it.
3701 * regclass.c (regclass): Restore loop variable j.
3702 (record_reg_classes): Deterine op_types modifiers and initialize
3703 classes[i] before matching constraints. Handle matching
3706 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
3708 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
3711 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3713 * mips.h (EXTRA_SPECS): Add missing initializers.
3715 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3717 * sparc.h (EXTRA_SPECS): Add missing initializers.
3718 (sparc_defer_case_vector): Provide a prototype.
3720 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
3721 comparing it to the result of a pointer subtraction.
3723 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3725 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
3726 the argument to (unsigned char).
3728 * alpha.h (EXTRA_SPECS): Add missing initializers.
3729 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
3732 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
3734 * flow.c (life_analysis_1): Enable "rescan" code after reload.
3735 (propagate_block): Delete dead code after reload.
3737 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
3738 back Oct 15, 1998 change.
3739 * haifa-sched.c (update_flow_info): Likewise.
3740 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
3742 * mn10200.md (truncated shift): Accept constant inputs too.
3744 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
3746 * machmode.h (mode_mask_array): No longer const.
3747 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
3749 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3751 * frame.c: Somewhat explain `FDE'.
3752 Suggested by Brendan Kehoe
3754 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
3756 * expr.c (pending_chain): Move up.
3757 (save_expr_status): Do save pending_chain.
3758 (restore_expr_status): And restore it.
3759 * function.h (struct function): Add pending_chain.
3761 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3763 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
3764 did not match the code.
3766 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3768 * regclass.c (regclass): Break out some code into new function
3769 scan_one_insn, and into regclass_init.
3770 (init_cost): New static variable, moved out of regclass.
3771 (regclass_init): Initialize it here, not in .
3772 (scan_one_insn): New static function, broken out of regclass.
3773 * recog.c (apply_change_group): Break out some code into new
3774 function insn_invalid_p.
3775 (insn_invalid_p): New static fn, broken out of apply_change_group.
3777 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
3779 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
3780 reg_reloaded_contents matches incremented pseudo.
3782 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
3784 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3786 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
3787 addressing modes with side effects. These are currently
3788 placeholders for the C4x target.
3790 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3792 * loop.c (express_from): Make sure that when generating a PLUS of
3793 a PLUS, any constant expression appears on the outermost PLUS.
3795 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
3797 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
3798 works if "$(srcdir)" != ".".
3800 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
3802 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
3803 existing SUBREG if we can, otherwise abort.
3805 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
3807 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
3808 `restrict' is applied to a non-pointer variable.
3810 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
3812 * invoke.texi: Document -flang-isoc9x.
3814 * Makefile.in (OBJS): Add splay-tree.o.
3815 (c-common.o): Depend on rtl.h.
3816 (splay-tree.o): List dependencies and provide build rule.
3818 * rtl.h (record_alias_subset): New function.
3819 * alias.c: Include splay-tree.h.
3820 (alias_set_entry): New type.
3821 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
3822 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
3823 (mems_in_disjoin_alias_sets_p): New function.
3824 (alias_set_compare): Likewise.
3825 (insert_subset_children): Likewise.
3826 (get_alias_set_entry): Likewise.
3828 * tree.h (TYPE_RESTRICT): New macro.
3829 (TYPE_UNQUALIFIED): New manifest constant.
3830 (TYPE_QUAL_CONST): Likewise
3831 (TYPE_QUAL_VOLATILE): Likewise.
3832 (TYPE_QUAL_RESTRICT): Likewise.
3833 (tree_type): Add restrict_flag. Reduce count of free bits.
3834 (DECL_POINTER_ALIAS_SET): New macro.
3835 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
3836 (tree_decl): Add pointer_alias_set.
3837 (build_qualified_type): New function.
3838 (build_type_variant): Define in terms of build_qualified_type.
3839 * tree.c (set_type_quals): New function.
3840 (make_node): Initializae DECL_POINTER_ALIAS_SET.
3841 (build_type_attribute_variant): Use build_qualified_type and
3843 (build_type_variant): Rename, and modify, to become...
3844 (build_qualified_type): New function.
3845 (build_complex_type): Use set_type_quals.
3847 * c-tree.h (C_TYPE_OBJECT_P): New macro.
3848 (C_TYPE_FUNCTION_P): Likewise.
3849 (C_TYPE_INCOMPLETE_P): Likewise.
3850 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
3851 (c_apply_type_quals_to_decl): New function.
3852 (c_build_qualified_type): New function.
3853 (c_build_type_variant): Define in terms of c_build_qualified_type.
3854 (flag_isoc9x): Declare.
3855 * c-typeck.c (qualify_type): Use c_build_qualified_type.
3856 (common_type): Change to use TYPE_QUALS.
3857 (comptypes): Likewise.
3858 (convert_for_assignment): Likewise.
3859 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
3860 * c-decl.c (flag_isoc9x): Define.
3861 (c_decode_option): Handle -flang-isoc9x.
3862 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
3863 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
3864 * c-lex.c (init_lex): Deal with restrict.
3865 (init_lex): Don't treat restrict as a reserved word in
3866 -traditional mode, or without -flang-isoc9x.
3867 * c-lex.h (rid): Add RID_RESTRICT.
3868 * c-parse.gperf (restrict, __restrict, __restrict__): Make
3869 equivalent to RID_RESTRICT.
3870 * c-parse.in (TYPE_QUAL): Update comment.
3871 * c-common.c: Include rtl.h.
3872 (c_find_base_decl): New function.
3873 (c_build_type_variant): Rename, and modify, to become ...
3874 (c_build_qualified_type): New function.
3875 (c_apply_type_quals_to_decl): Likewise.
3876 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
3877 a particular alias set for the reference.
3878 * toplev.c (documented_lang_options): Add -flang-isoc9x.
3880 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
3882 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
3883 command line switches.
3885 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
3887 * reload.c (loc_mentioned_in_p): Add missing braces to bind
3890 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
3892 * gcc.c (option_map): Added --classpath and --CLASSPATH.
3894 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
3896 * regclass.c (fix_register): Add error message.
3897 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
3900 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3902 * c-decl.c (warn_missing_noreturn): New global variable.
3903 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
3904 (finish_function): Implement missing noreturn warning.
3906 * c-tree.h (warn_missing_noreturn): Declare extern.
3908 * invoke.texi: Document new flags.
3910 * toplev.c (documented_lang_options): Add description.
3912 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3914 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
3915 loop optimization stable for the C4x.
3916 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
3917 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
3918 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
3920 (c4x_address_conflict): Be more paranoid when packing a volatile
3921 memref in a parallel load/store.
3923 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3925 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
3926 repeat_block_filler): Deleted.
3927 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
3928 Condition code not set if destination register from 'c' class.
3929 (*subbqi3_carry_clobber): Fix typo.
3931 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3933 * reorg.c (steal_delay_list_from_target) Check for insns that
3934 modify the condition codes and effect the direction of the jump
3937 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3939 * function.c (purge_addressof_1): Replace call to
3940 emit_insns_before() with emit_insn_before().
3942 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
3944 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
3946 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3948 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
3950 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3952 * gcse.c (compute_hash_table): Correctly identify hard regs which are
3953 clobbered across calls.
3955 * loop.c (scan_loop): Be more selective about what invariants are
3956 moved out of a loop.
3958 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
3960 * version.c: Bump for snapshot.
3962 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3964 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
3965 static eh_context structure.
3967 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3969 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
3971 (try_combine): Don't update max_scratch.
3972 * flow.c (max_scratch, num_scratch): Delete variables.
3973 (life_analysis_1): Don't initialize max_scratch.
3974 (propagate_block): Don't update max_scratch.
3975 (mark_set_1): Don't increment num_scratch.
3976 * regs.h (max_scratch): Delete declaration.
3978 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
3980 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
3981 is nonzero. This is temporary!
3983 * sched.c (update_flow_info): Handle death notes made invalid by
3984 instruction splitting. Partially reverts Oct 15, 1998 patch.
3985 * haifa-sched.c (update_flow_info): Likewise.
3987 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
3989 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
3990 if it has a nonzero DECL_INITIAL.
3992 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3994 * Makefile.in (flow.o): Depend on recog.h.
3996 * cpplib.h (directive_table): Add missing initializiers.
3997 (finclude): Change type of variable `bsize' to size_t.
3999 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
4001 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
4003 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
4004 `int' when comparing against one.
4005 (cpp_file_line_for_message): Mark parameter `pfile' with
4007 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
4009 * flow.c: Include recog.h.
4010 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
4012 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
4013 `f' with ATTRIBUTE_UNUSED.
4014 (reposition_prologue_and_epilogue_notes): Likewise.
4016 * genopinit.c (gen_insn): Cast argument of ctype functions to
4019 * haifa-sched.c: Include recog.h.
4020 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
4021 comparing against one.
4023 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
4025 * mips-tfile.c (parse_end): Cast the argument of ctype function to
4027 (parse_ent): Likewise.
4028 (parse_input): Likewise.
4030 * optabs.c (init_libfuncs): Likewise.
4032 * protoize.c (find_rightmost_formals_list): Likewise.
4034 * recog.h (const_double_operand): Fix typo in prototype.
4036 * tlink.c (scan_linker_output): Cast the argument of ctype
4037 function to `unsigned char'.
4039 * toplev.c (check_lang_option): Cast the result of `strlen' to
4040 `int' when comparing against one.
4042 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
4044 * gcse.c (dump_cuid_table): Correct typo.
4046 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
4048 * toplev.c (display_help): Prepend '-m' to target specific
4050 (check_lang_option): Ignore text after end of first word of a
4051 language specific option.
4053 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4055 * reload1.c (reg_used_by_pseudo): New static variable.
4056 (choose_reload_regs): Initialize it.
4057 Use it instead of testing spill_reg_order to determine whether a
4058 pseudo is live in a hard register across the current insn.
4059 Fix a typo in a reference to reload_reg_rtx.
4061 * flow.c (propagate_block): Replace code that computes and uses
4062 regs_sometimes_live with simpler code that just walks the set of
4063 currently live registers.
4065 * Makefile.in (insn-extract.o): Fix dependencies.
4066 * genextract.c (main): Generate includes for insn-config.h and
4068 Delete generation of declarations which are now in recog.h.
4069 * genrecog.c (main): Delete generation of definitions which are
4071 * local-alloc.c (block_alloc): Use extract_insn and the variables
4072 it sets up instead of looking up values by insn_code.
4073 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
4074 recog_dup_num): Define here instead of generating the definition in
4076 (recog_n_operands, recog_n_dups, recog_n_alternatives,
4077 recog_operand_mode, recog_constraints, recog_operand_address_p):
4079 (extract_insn): New function.
4080 * recog.h (extract_insn): Declare function.
4081 (which_alternative, recog_n_operands, recog_n_dups,
4082 recog_n_alternatives, recog_operand_mode, recog_constraints,
4083 recog_operand_address_p): Declare variables.
4084 * regclass.c (n_occurrences): New static function.
4085 * reload.c (n_occurrences): Delete function.
4086 (find_reloads): Use extract_insn.
4087 * reload.h (n_occurrences): Delete declaration.
4089 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
4091 * reload1.c (reload_as_needed): Fix test for when to call
4092 update_eliminable_offsets.
4094 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4096 Fix consistency problems with reg_equiv_{mem,address};
4097 Improve reload inheritance;
4099 * reload.c (reload_out_reg): New variable.
4100 (loc_mentioned_in_p, remove_address_replacements): New functions.
4101 (remove_replacements): Deleted.
4102 (push_reload): Set reload_out_reg[i].
4103 When merging, also set reload_{in,out}_reg[i], and remove
4104 duplicate address reloads.
4105 (combine_reloads): Copy reload_out_reg[i].
4106 (find_reloads): Do make_memloc substitution also when
4107 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
4109 Include *recog_operand_loc in commutativity operand changes.
4110 Generate optional output reloads.
4111 Delete reference to n_memlocs. Don't set *recog_operand_loc before
4112 processing operands. Call make_memloc in reg_equiv_address code.
4113 Set *recog_operand_loc only after processing operands, and only
4114 if replace is true. Return a value.
4115 When changing address reload types for operands that didn't get
4116 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
4117 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
4118 Don't emit USEs for pseudo SUBREGs when not replacing.
4119 (find_reloads_address): Do make_memloc substitution also when
4120 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
4122 (find_reloads_toplev): Likewise.
4123 Call make_memloc in reg_equiv_address code.
4124 (debug_reload_to_stream): Add code to output reload_out_reg.
4125 (make_memloc): Delete local variable i, ifdefed out code, and
4126 references to memlocs and n_memlocs.
4127 (memlocs, n_memlocs): Delete.
4128 (push_secondary_reload): Clear reload_out_reg.
4129 (find_reloads_address_1): Provide memrefloc argument to all calls
4130 to find_reloads_address.
4131 In AUTO_INC code, handle non-directly addressable equivalences properly.
4132 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
4133 (find_reloads): Add return type.
4134 (remove_address_replacements, deallocate_reload_reg): Declare.
4135 * reload1.c (num_not_at_initial_offset): No longer static.
4136 (delete_address_reloads, delete_address_reloads_1): Likewise.
4137 (deallocate_reload_reg): New function.
4138 (spill_reg_stored_to): New array.
4139 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
4140 (eliminate_regs_in_insn): Move assignments of previous_offset and
4141 max_offset fields, and recalculation of num_not_at_initial_offset
4142 into new static function:
4143 (update_eliminable_offsets) .
4144 (reload_as_needed): Call update_eliminable_offsetss after calling
4146 Call forget_old_reloads_1 with contents of reloaded auto_inc
4147 expressions if the actual addressing can't be changed to match the
4149 (choose_reload_regs): For inheritance, replace
4150 reload_reg_free_before_p test with reload_reg_used_at_all test, and
4151 remove stand-alone reload_reg_used_at_all test.
4152 Use reload_out_reg to determine which reload regs have output reloads.
4153 Treat reload_override_in more similar to inherited reloads.
4154 Handle (subreg (reg... for inheritance.
4155 For flag_expensive_optimizations, add an extra pass to remove
4156 unnecessary reloads from known working inheritance.
4157 Delete obsolete code for pseudos replaced with MEMs.
4158 Handle inheritance from auto_inc expressions.
4159 (emit_reload_insns): If reload_in is a MEM, set OLD to
4161 Don't reload directly from oldequiv; if it's a pseudo with a
4162 stack slot, use reload_in[j].
4163 Check that reload_in_reg[j] is a MEM before replacing reload_in
4164 from reg_reloaded_contents.
4165 Include non-spill registers in reload inheritance processing.
4166 Also try to use reload_out_reg to set spill_reg_store /
4167 reg_last_reload_reg.
4168 In code to set new_spill_reg_store, use single_set to find out if
4169 there is a single set.
4170 Add code that allows to delete optional output reloads.
4171 Add code to allow deletion of output reloads that use no spill reg.
4172 At the end, set reload_override_in to oldequiv.
4173 Also call delete_output_reload if reload_out_reg is equal to old
4175 Add code to call delete_output_reload for stores with no matching load.
4176 Set / use spill_reg_stored_to.
4177 Handle case where secondary output reload uses a temporary, but
4178 actual store isn't found.
4179 When looking for a store of a value not loaded in order to call
4180 delete_output_reload, count_occurences should return 0 for no
4181 loads; but discount inherited input reloadill_reg_stored_to.
4182 Do checks for extra uses of REG. Changed all
4184 Use delete_address_reloads.
4185 (reload): Take return value of find_reloads into account.
4186 If a no-op set needs more than one reload, delete it.
4187 (reload_reg_free_before_p): RELOAD_FOR_INPUT
4188 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
4189 for the same operand.
4190 (clear_reload_reg_in_use): Check for other reloads that keep a
4192 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
4193 RELOAD_FOR_OPADDR_ADDR.
4194 Take into account when an address address reload is only needed
4195 for the address reload we are considering.
4196 (count_occurrences): Use rtx_equal_p for MEMs.
4197 (inc_for_reload): Return instruction that stores into RELOADREG.
4198 New argument two, IN, and rtx. Changed all callers.
4199 (calculate_needs_all_insns, reload_as_needed):
4200 Don't clear after_call for a CLOBBER.
4201 Keep track of how many hard registers need to be copied from
4202 after_call, and don't clear after_call before we have seen
4203 that much copies, or we see a different instruction.
4205 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
4207 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
4208 after reload has completed.
4210 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
4212 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
4213 a macro name and the next token with a single blank if that whitespace
4214 is in a macro buffer and the next token is not '('.
4216 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
4218 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
4220 (skip_if_group): Ditto.
4221 (skip_to_end_of_comment): Ditto.
4223 (discard_comments): Ditto.
4224 (change_newlines): Ditto.
4226 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
4228 * c-lex.c (yylex): Fix unaligned access of wchar_t.
4230 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
4232 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
4233 (TARGET_OPTIONS): Add --help documentation.
4235 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4237 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
4239 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
4241 * fixinc/* Moved in from ../contrib directory in preparation
4242 for integrating it into the normal build process. In particular,
4243 fixinc/Makefile.in must be config-ed into the build directory
4244 as fixinc/Makefile. Proposed patches to ./Makefile.in and
4245 ./configure.in will be "in the mail" momentarily.
4247 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
4249 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
4250 accidently walk into the free list. Comment how that can happen.
4251 (invalidate): Fix indentation.
4253 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4254 Jeffrey A Law (law@cygnus.com)
4256 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
4257 reload. Never perform rescans of the insn chain after reload.
4258 (propagate_block): Do not delete insn or create new autoinc addressing
4261 * jump.c (jump_optimize): Unconditionally use the code that was
4262 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
4263 * reload1.c (reload): When reloading is finished, delete all
4264 REG_DEAD and REG_UNUSED notes.
4265 (emit_reload_insns): Delete all code that was conditional on
4266 PRESERVE_DEATH_INFO_REGNO_P.
4267 (no_longer_dead_regs): Delete variable.
4268 (reload_cse_delete_death_notes): Delete function.
4269 (reload_cse_no_longer_dead): Delete function.
4270 (reload_cse_regs_1): Delete all code to handle deletion of death
4272 (reload_cse_noop_set_p): Likewise.
4273 (reload_cse_simplify_set): Likewise.
4274 (reload_cse_simplify_operands): Likewise.
4275 (reload_cse_move2add): Likewise.
4276 * reorg.c (used_spill_regs): Delete declaration.
4277 (max_label_num_after_reload): Delete declaration.
4278 (find_dead_or_set_registers): Don't assume that spill regs are
4279 dead at a CODE_LABEL.
4280 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
4282 * sched.c (sched_analyze_insn): Likewise.
4283 (update_flow_info): Likewise.
4284 * haifa-sched.c (sched_analyze_insn): Likewise.
4285 (update_flow_info): Likewise.
4286 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
4287 * toplev.c (max_label_num_after_reload): Delete variable.
4288 (rest_of_compilation): Don't set max_label_num_after_reload.
4289 Call life_analysis after reload_cse_regs if optimizing.
4290 * config/gmicro/gmicro.h: Delete comment referring to
4291 PRESERVE_DEATH_INFO_REGNO_P.
4292 * config/i386/i386.h: Likewise.
4293 * config/m88k/m88k.h: Likewise.
4294 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
4295 * config/sh/sh.h: Likewise.
4297 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
4299 * loop.c (strength_reduce): Restore marking bct_p as
4301 * rs6000.c (optimization_options): Change #ifdef HAIFA to
4302 HAVE_decrement_and_branch_on_count.
4303 (small_data_operand): Remove TARGET_ELF condition for marking
4304 parameters ATTRIBUTE_UNUSED.
4306 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
4308 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
4309 (SELECT_SECTION): Resync with svr4.h.
4311 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
4313 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
4316 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
4318 * c-pragma.c (handle_pragma_token): Test for null tree before
4319 dereferencing TREE_CODE.
4321 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4323 * config/c4x/c4x.c: Convert to use GEN_INT.
4324 (c4x_parallel_process): Rework to handle new repeat loop structure.
4326 * config/c4x/c4x.md: Convert to use GEN_INT.
4327 (rptb_end): Convert to use GE test. Replace uses with clobbers.
4328 (decrement_and_branch_on_count): Likewise.
4330 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
4331 loop.c has the desired functionality.
4332 (rc_reg_operand): New prototype.
4334 * config/c4x/t-c4x: Can now build all front ends.
4336 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
4338 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
4340 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
4342 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
4343 * config/t-rtems: Do not install assert.h -- use newlib's.
4345 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4347 * combine.c (combine_instructions): When finished, call init_recog.
4348 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
4350 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
4352 * toplev.c: If flag_syntax_only, don't open or write assembler file.
4354 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4356 * cppalloc.c (memory_full): Mark function prototype with
4359 * demangle.h (collect_exit): Likewise.
4361 * fix-header.c (v_fatal, fatal): Likewise.
4363 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
4366 * gcov.c (print_usage): Likewise.
4368 * genattr.c (fatal, fancy_abort): Likewise.
4370 * genattrtab.c (fatal, fancy_abort): Likewise.
4372 * gencodes.c (fatal, fancy_abort): Likewise.
4374 * genconfig.c (fatal, fancy_abort): Likewise.
4376 * genemit.c (fatal, fancy_abort): Likewise.
4378 * genextract.c (fatal, fancy_abort): Likewise.
4380 * genflags.c (fatal, fancy_abort): Likewise.
4382 * genopinit.c (fatal, fancy_abort): Likewise.
4384 * genoutput.c (fatal, fancy_abort): Likewise.
4386 * genpeep.c (fatal, fancy_abort): Likewise.
4388 * genrecog.c (fatal, fancy_abort): Likewise.
4390 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
4391 __sjpopnthrow, __throw): Likewise.
4393 * objc/objc-act.c (objc_fatal): Likewise.
4395 * protoize.c (usage, aux_info_corrupted,
4396 declare_source_confusing): Likewise.
4398 * rtl.c (dump_and_abort): Likewise.
4400 * rtl.h (sets_cc0_p): Likewise.
4402 * toplev.c (float_signal, pipe_closed): Likewise.
4404 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4406 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
4407 when generating the decision tree for the general case.
4409 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
4410 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
4412 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4414 * Makefile.in (sched.o): Depend on recog.h.
4416 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
4417 (unsigned) when comparing against one.
4418 (find_base_value): Likewise.
4419 (record_base_value): Cast variable `regno' to (unsigned) when
4420 comparing against one. Cast the result of REGNO() macro to
4421 (unsigned) when comparing against one.
4422 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
4424 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
4425 variable where an unsigned index is needed.
4427 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
4428 before comparing against one.
4430 * collect2.c: Add prototypes for functions `error', `fatal' and
4431 `fatal_perror'. Make these functions take variable arguments
4432 instead of faking it with a fixed number of args.
4433 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
4436 * combine.c (can_combine_p): Mark parameter `pred' with
4438 (find_split_point): Cast variable `src' to (unsigned
4439 HOST_WIDE_INT) when comparing against one.
4440 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
4441 (simplify_logical): Likewise.
4442 (force_to_mode): Cast result of INTVAL() macro to (unsigned
4443 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
4444 HOST_WIDE_INT) in shift.
4445 (simplify_and_const_int): Cast result of INTVAL() macro to
4446 `unsigned HOST_WIDE_INT' when comparing against one.
4447 (merge_outer_ops): Cast variable const0 to `unsigned
4448 HOST_WIDE_INT' when comparing against the result of
4449 GET_MODE_MASK() macro.
4450 (simplify_comparison): Likewise for variable `c0'. Cast variable
4451 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
4452 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
4453 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
4454 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
4455 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
4456 comparing against one.
4457 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
4459 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
4460 macro to `unsigned HOST_WIDE_INT' when comparing against one.
4461 (output_block_move): Cast `sizeof' expression to (int) when
4462 comparing against one.
4463 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
4465 (save_restore_insns): Cast `base_offset' to `long' to match format
4466 specifier in fprintf.
4468 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
4469 to `enum machine_mode'.
4471 * flow.c (life_analysis_1): Remove unused variable `insn'.
4473 * gcc.c (translate_options): Move variables `j' and `k' into the
4474 scope in which they are used. Change their types to `size_t'.
4475 (set_spec): Cast the argument of ctype macro to `unsigned char'.
4476 (read_specs): Likewise.
4477 (process_command): Cast `sizeof' to (int) when comparing against one.
4478 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
4479 (handle_braces): Cast both sides of `==' expression to `long' to
4480 ensure sign matching.
4481 (main): Cast variable `i' to `int' when comparing against one.
4483 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
4484 int to size_t. Cast variable `i' to size_t when comparing against
4487 * genattrtab.c (convert_set_attr_alternative): Remove unused
4488 parameter `insn_code'. All callers changed.
4489 (convert_set_attr): Likewise.
4491 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
4492 size_t when comparing against one. Likewise for variable `len'.
4494 * global.c (global_alloc): Cast variable `max_regno' to size_t
4495 when comparing against one. Likewise for variable `max_allocno'.
4497 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
4499 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
4500 `set' with ATTRIBUTE_UNUSED.
4501 (find_free_reg): Cast `sizeof' expression to (int) when comparing
4504 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
4505 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
4506 (get_condition): Cast variable `const_val' to `unsigned
4507 HOST_WIDE_INT' when comparing against one. Cast unsigned
4508 expression to HOST_WIDE_INT when comparing against one.
4509 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
4510 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
4511 `unsigned' when comparing against one.
4513 * protoize.c (is_id_char): Change type of parameter `ch' to
4515 (munge_compile_params): Cast argument of ctype macro to (const
4517 (process_aux_info_file): Cast variable `aux_info_size' to int when
4518 comparing against one.
4519 (forward_to_next_token_char): Cast argument of ctype macro to
4520 `const unsigned char'.
4521 (edit_formals_lists): Likewise.
4522 (find_rightmost_formals_list): Likewise.
4523 (add_local_decl): Likewise.
4524 (add_global_decls): Likewise.
4525 (edit_fn_definition): Likewise.
4526 (do_cleaning): Likewise.
4527 (scan_for_missed_items): Likewise.
4528 (edit_file): Cast variable `orig_size' to (int) when comparing
4530 (main): Cast argument of ctype macro to `const unsigned char'.
4532 * recog.c (const_int_operand): Mark parameter `mode' with
4535 * regclass.c (record_reg_classes): Change type of variable `c' to
4536 `unsigned char'. Cast `char' array index to `unsigned char'.
4538 * reload.c (push_secondary_reload): Cast argument to
4539 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
4541 * reload1.c (calculate_needs): Cast `char' array index to
4543 (set_label_offsets): Change type of variable `i' to unsigned int.
4544 Cast result of XVECLEN() macro to unsigned when comparing against
4546 (mark_not_eliminable): Change type of variable `i' to unsigned.
4547 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
4548 when comparing against one.
4549 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
4550 comparing against one.
4551 (choose_reload_regs): Hide unused label `fail'.
4552 (reload_cse_simplify_operands): Cast `char' array index to
4554 (reload_combine_note_store): Mark parameter `set' with
4555 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
4557 (reload_cse_move2add): Remove unused variable `src2'.
4559 * sched.c: Include recog.h.
4560 (sched_note_set): Remove unused parameter `b'. All callers
4562 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
4563 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
4564 when comparing against one.
4566 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
4567 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
4568 comparing against one.
4570 * unroll.c (precondition_loop_p): Remove unused parameter
4571 `loop_end'. All callers changed.
4573 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4575 * reload1.c (maybe_fix_stack_asms): New static function.
4578 * reload.h (compute_use_by_pseudos): Declare.
4580 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
4581 (something_needs_reloads): Delete variable.
4582 (finish_spills): New function.
4583 (compute_use_by_pseudos): New function.
4585 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
4586 Use the reload_insn_chain instead of walking the rtl directly.
4588 (reload): Allocate and free spilled_pseudos.
4589 Ensure that all calls of spill_hard_reg are followed by a call to
4591 Use the insns_need_reload list instead of something_needs_reloads
4592 to find out if reload_as_needed must be called.
4593 Clear unused_insn_chains at the end.
4595 (calculate_needs_all_insns): Lose FIRST parameter. All callers
4597 Delete code to keep track of current basic block.
4598 Walk reload_insn_chain instead of the rtl structure. Build the
4599 insns_need_reload chain.
4600 Remember which insns need reloading/elimination by setting the
4601 appropriate fields in struct insn_chain, not by putting modes on the
4604 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
4605 arg INSN. All callers changed.
4606 Delete declaration of struct needs.
4607 Don't set something_needs_reloads.
4608 Record insn needs in the CHAIN argument.
4610 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
4612 (reload_as_needed): Lose FIRST arg. All callers changed.
4613 Walk the reload_insn_chain instead of the rtx structure.
4614 Delete code to keep track of current basic block.
4615 Rename one of the NEXT variables to OLD_NEXT.
4617 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
4619 (choose_reload_regs): Likewise.
4621 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
4624 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
4625 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
4626 (hard_regs_live, hard_regs_need_restore): Delete variables.
4627 (n_regs_saved): Now static.
4628 (referenced_regs, this_insn_sets): New variables.
4630 (setup_save_areas): Restructure the code a bit.
4632 (restore_referenced_regs): Delete function.
4633 (mark_referenced_regs): New function, similar to the old
4634 restore_referenced_regs, but mark registers in referenced_regs.
4636 (clear_reg_live): Delete function.
4637 (mark_set_regs): Renamed from set_reg_live. All callers changed.
4638 Only mark registers in this_insn_sets.
4640 (save_call_clobbered_regs): Rework this function to walk the
4641 reload_insn_chain instead of using the list of instructions directly.
4642 Delete code to keep track of register lives, compute live regs on the
4643 fly from information in the chain.
4644 Instead of calling restore_referenced_regs, use mark_referenced_regs,
4645 then walk the set it computes and call insert_restore as appropriate.
4647 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
4649 Restructure the code a bit. Test hard_regs_saved instead of
4650 hard_regs_need_restore.
4651 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
4652 args. All callers changed.
4653 Restructure the code a bit. Use TO_SAVE to determine which regs to
4654 save instead of more complicated test.
4655 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
4657 Create a new insn_chain structure for the new insn and place it
4660 * rtl.texi: Update documentation to reflect that reload no longer
4661 puts modes on the insns.
4663 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4665 * function.c (purge_addressof_1): Force the first argument of a
4666 CALL insn to memory.
4668 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
4670 * rtl.h: Delete duplicate prototypes. Add some missing
4672 * rtlanal.c: (for_each_rtx): Formatting tweak.
4674 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4676 * real.c (emdnorm and etoasc): Disable round to even for c4x target
4677 to be compatible with TI compiler.
4679 * Makefile.in (USER_H): Add va-c4x.h to definition.
4681 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
4683 * function.c (purge_addressof_1): Fix typo in inequality: do
4684 bitfield optimization for equal mode sizes.
4685 * expmed.c (store_bit_field): Don't take subregs of subregs in
4686 the movstrict case. Tidy a potential problem in the multi-word case.
4687 (extract_bit_field): Likewise.
4689 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4691 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
4693 Compute max_uid_for_flow by calling get_max_uid after the scan.
4694 (find_basic_blocks_1): Don't emit NOPs here.
4696 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
4698 * alias.c (base_alias_check): Accept new args for the modes of the
4699 two references. Use them to determine if an AND can overlap. Update
4701 (memrefs_conflict_p): Assume sizes are aligned, and uses them
4702 to determine if an AND can overlap.
4704 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
4706 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
4707 check. Add comment to document problems with TARGET_SUN_FPA version
4709 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
4711 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4713 * Makefile.in (gencheck.o): Depend on gansidecl.h.
4715 * c-common.c (print_char_table): Add missing initializers.
4716 (scan_char_table): Likewise.
4717 (time_char_table): Likewise.
4719 * c-decl.c (c_decode_option): Mark parameter `argc' with
4721 (declare_parm_level): Mark parameter `definition_flag' with
4724 * c-lex.c (readescape): Use `(unsigned)1' in shift.
4725 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
4728 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
4730 (emit_call_1): Mark parameters `fndecl' and `funtype' with
4732 (expand_call): Cast result of MIN() to (unsigned int) when
4733 comparing against an unsigned value.
4735 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
4737 (make_definition): Remove unused parameter `op'. All callers
4739 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
4740 comparing against the result of pointer arithmetic.
4742 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
4743 when comparing against one.
4745 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
4746 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
4748 (output_die): Move variable `i' into the scope in which it is
4749 used. Change its type to `unsigned'.
4750 (output_die): Cast the result of `strlen' to (int) when passing it
4751 to ASM_OUTPUT_ASCII().
4752 (output_pubnames): Likewise.
4753 (output_line_info): Likewise.
4755 * emit-rtl.c (global_rtl): Add missing initializers.
4757 * explow.c (promote_mode): Mark parameter `for_call' with
4760 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
4761 `unsigned HOST_WIDE_INT' when comparing against one.
4762 (synth_mult): Change type of variable `cost' to int.
4763 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
4765 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
4766 when comparing against one.
4767 (get_inner_reference): Change variable `alignment' to unsigned.
4768 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
4769 int) when comparing against one.
4770 (expand_builtin_setjmp): Change type of variable `i' to size_t.
4772 * fold-const.c (div_and_round_double): Cast BASE to
4773 (HOST_WIDE_INT) when comparing against one.
4775 * gencheck.c: Include gansidecl.h.
4776 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
4778 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
4779 `tcode' with ATTRIBUTE_UNUSED.
4781 * real.c (edivm): Cast constant value to (unsigned long) in
4782 expression compared against an unsigned value.
4784 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
4785 comparing against one.
4786 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
4787 when comparing against one.
4789 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
4790 (unsigned int) when comparing against one. Likewise for
4792 (smallest_mode_for_size): Likewise.
4793 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
4794 (restore_storage_status): Likewise.
4796 * toplev.c (debug_args): Add missing initializer.
4797 (f_options): Spelling correction. Add missing initializers.
4798 (documented_lang_options): Likewise.
4799 (debug_end_source_file): Mark parameter `lineno' with
4802 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
4803 `decl' and `type' with ATTRIBUTE_UNUSED.
4805 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
4806 when comparing against one.
4807 (assemble_variable): Mark parameter `top_level' with
4809 (assemble_external_libcall): Mark parameter `fun' with
4811 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
4814 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
4816 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
4817 Replace use of r5 with use of r19.
4819 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
4821 * config/v850/v850.c (compute_register_save_size): Allow for the
4822 fact that helper functions save all registers, not just those used
4825 Replace constant 31 with macro LINK_POINTER_REGNUM.
4827 * config/v850/v850.md: Use 'indirect_operand' rather than
4828 'memory_operand' for bit test/set/clear patterns.
4830 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
4832 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
4833 * varasm.c (assemble_start_function et al): Don't call
4834 ASM_GLOBALIZE_LABEL for weak symbols.
4836 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
4838 * cse.c (equiv_constant): Check for NULL return from
4839 gen_lowpart_if_possible().
4841 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
4843 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
4845 * collect2.c (main): Pass -EL/-EB through to the compiler.
4847 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4849 * expr.c (push_block): Handle targets where the stack grows
4850 to higher addresses, but args grow to lower addresses and
4851 ACCUMULATE_OUTGOING_ARGS is not defined.
4853 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
4855 * config/v850/v850.c (print_operand): Extend meaning
4856 of 'c' operands to support .vtinherit.
4858 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4860 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
4861 Added ATTRIBUTE_UNUSED to unused function arguments.
4862 (rc_reg_operand): New predicate.
4863 (c4x_rptb_insert): New function.
4864 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
4865 (c4x_optimization_options): New function.
4867 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
4868 (decrement_and_branch_on_count): New pattern.
4869 (rptb_top): Modified pattern to work with BCT optimization.
4871 * config/c4x/c4x.h (RC_REG): New register class.
4872 (rc_reg_operand): Define prototype.
4873 (IS_RC_REG): New macro.
4874 (IS_RC_OR_PSEUDO_REG): New macro.
4875 (IS_RC_OR_PSEUDO_REGNO): New macro.
4876 (OPTIMIZATION_OPTIONS): Define.
4878 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
4880 * collect2.c (extract_init_priority): No priority is 65535.
4882 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4884 * Makefile.in (build_tooldir): new variable, same as old
4885 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
4886 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
4887 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
4889 * configure.in (gxx_include_dir): set default based on unlibsubdir
4890 * Makefile.in (tooldir): ditto
4891 (cccp.o, cpplib.o): use unlibsubdir implicitly through
4892 gxx_include_dir, includedir and tooldir
4893 (protoize.o, unprotoize.o): ditto
4895 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
4897 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
4899 * config/arm/thumb.c (thumb_override_options): Add warning about
4900 PIC code not being supported just yet.
4902 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
4904 * flow.c: Update comment.
4905 (notice_stack_pointer_modification): New static function.
4906 (record_volatile_insns): Use it.
4907 (mark_regs_live_at_end): Mark the stack pointer as alive
4908 at the end of the function if current_function_sp_is_unchanging
4910 (life_analysis_1): Set current_function_sp_is_unchanging.
4911 * function.c: Define it.
4912 (init_function_start): Initialize it.
4913 * output.h: Declare it.
4914 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
4915 the stack pointer as alive at the end of the function if
4916 current_function_sp_is_unchanging is set.
4917 * i386.c (ix86_epilogue): Optimize the restoring
4918 of the stack pointer.
4920 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
4922 * version.c: Bump for snapshot.
4924 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
4926 * c-pragma.c (handle_pragma_token): If passed a token instead
4927 of a tree, use that as the pack value.
4929 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
4931 * flow.c (find_basic_blocks_1): Fix prototype.
4933 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
4935 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
4936 (struct tree_decl): New fields no_check_memory_usage.
4937 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
4938 (init_attributes): Register it as a new attribute.
4939 (decl_attributes): Set flags on functions given that attribute.
4940 * c-decl.c (duplicate_decls): Merge new attribute.
4941 * expr.h (current_function_check_memory_usage): Declare new var.
4942 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
4943 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
4944 current_function_check_memory_usage.
4945 * function.h: Add field to struct function.
4946 * function.c (current_function_check_memory_usage): Define it.
4947 (push_function_context_to, pop_function_context_from): Save and
4949 (expand_function_start): Set it, based on global flag and function
4952 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
4953 check non-automatic variables, to permit detection of writes to
4954 read-only locations in embedded systems without memory management.
4955 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
4956 when emitting chkr_set_right_libfunc call, even if the argument is
4957 BLKmode or variable-sized; don't abort.
4959 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
4960 symbols in Pmode, not VOIDmode.
4962 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4964 * cppexp.c: When forcing unsigned comparisons, cast both sides
4967 * cpphash.h: Move static declaration of hashtab[]...
4968 * cpphash.c: ...here.
4970 * cpplib.c: Cast difference of two pointers to size_t before
4971 comparing it to size_t. Cast signed to unsigned
4972 before comparing to size_t. (FIXME: struct argdata should use
4973 unsigned buffer sizes.)
4974 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
4975 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
4976 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
4977 size_t before comparison.
4979 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
4981 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
4982 (find_basic_blocks_1): Similarly.
4983 * output.h (find_basic_blocks): Fix prototype.
4984 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
4985 find_basic_blocks anymore.
4987 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
4989 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
4990 (sbitmap_free, sbitmap_vector_free): New macros.
4991 * output.h (rtl_dump_file): Declare.
4993 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
4995 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
4997 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4999 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
5001 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
5002 (divide): Remove unused variable `tmp'.
5003 (si_to_float): Cast numeric constant to (SItype) before comparing
5006 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
5008 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
5009 * gcc.c (add_preprocessor_option): Correct typo when allocating
5010 memory, sizeof() argument had one too many `*'.
5011 (add_assembler_option): Likewise.
5012 (add_linker_option): Likewise.
5013 * gcov.c (output_data): Likewise.
5014 * local-alloc.c (memref_used_between_p): Likewise.
5015 (update_equiv_regs): Likewise.
5016 * loop.c (strength_reduce): Likewise.
5017 * reg-stack.c (record_asm_reg_life): Likewise.
5018 (subst_asm_stack_reg): Likewise.
5019 * reorg.c (dbr_schedule): Likewise.
5021 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5023 * flow.c (life_analysis_1): Break out some functions.
5024 (find_basic_blocks_1): Likewise. Also move some variables out and
5026 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
5027 new static var nonlocal_label_list with it.
5028 (active_eh_region, nested_eh_region, label_value_list,
5029 nonlocal_label_list): New static variables.
5030 (make_edges, delete_unreachable_blocks, delete_block): New static
5031 functions, broken out of find_basic_blocks_1.
5032 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
5033 noop_move_p): New static functions, broken out of life_analysis_1.
5035 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
5037 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
5038 Take extra care for op0 now possibly being a subreg.
5039 (extract_bit_field): Likewise.
5040 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
5041 the reg to memory if there is no equal sized integral mode.
5042 * stor-layout.c (int_mode_for_mode): New function.
5043 * machmode.h: Prototype it.
5045 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
5047 * global.c (build_insn_chain): Verify no real insns exist past the
5048 end of the last basic block, then exit the loop.
5050 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5052 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
5054 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
5056 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
5058 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
5060 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
5062 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
5064 * flow.c (find_basic_blocks): Correctly determine when a call
5065 is within an exception region.
5067 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
5069 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
5071 * cpplib.h: Protect from multiple inclusions.
5072 * cpplib.c: Fix minor formatting problems.
5074 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
5076 * jump.c (jump_optimize): Revert accidental patch.
5078 * Makefile.in (cpplib.o): Use unlibsubdir.
5080 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
5082 * loop.c (get_condition): Allow combine when either compare is
5085 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
5087 * version.c: Bump for snapshot.
5089 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
5091 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
5092 (init_lex): Initialize ridpointers[RID_BYREF].
5093 * c-lex.h (enum rid): Add RID_BYREF.
5094 * c-parse.gperf: Add RID_BYREF as a type qualifier.
5095 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
5096 (encode_type_qualifiers): Similarly
5097 * c-gperf.h: Rebuilt.
5099 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
5101 * c-common.c (type_for_mode): Only return TItype nodes when
5102 HOST_BITS_PER_WIDE_INT is >= 64 bits.
5103 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
5104 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
5105 (init_decl_processing): Only create TItype nodes when
5106 HOST_BITS_PER_WIDE_INT is >= 64 bits.
5107 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
5108 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
5110 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5112 * stmt.c (n_occurrences): New static function.
5113 (expand_asm_operands): Verify that all constrains match in the
5114 number of alternatives.
5115 Verify that '+' or '=' are at the beginning of an output constraint.
5116 Don't allow '&' for input operands.
5117 Verify that '%' isn't written for the last operand.
5118 * reload.c (find_reloads): Abort if an asm is found with invalid
5119 constraints; all possible problems ought to be checked for earlier.
5121 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5123 * flags.h (flag_branch_on_count_reg): Always declare
5124 * toplev.c (flag_branch_on_count_reg): Likewise.
5125 * toplev.c: Fix typos.
5127 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
5130 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
5132 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
5134 (find_basic_blocks_1): Add a nop to the end of a basic block when
5135 a trailing call insn does not have abnormal control flow.
5136 * gcse.c (pre_transpout): New variable.
5137 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
5138 (compute_pre_transpout): Calculate it.
5139 (compute_pre_ppinout): Use it to eliminate impossible placements
5140 due to abnormal control flow through calls.
5141 (compute_pre_data): Call compute_pre_transpout.
5143 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5145 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
5147 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
5149 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
5150 and matching define_insns): Tack on a `use' of the table label, so
5151 flow analysis will recognize a tablejump.
5153 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
5155 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
5156 always end basic blocks for abnormal edge reasons.
5158 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
5160 * config/i386/i386.h: Remove definition of
5161 HANDLE_PRAGMA_PACK_PUSH_POP.
5163 * config/i386/go32.h: Add definition of
5164 HANDLE_PRAGMA_PACK_PUSH_POP.
5166 * config/i386/win32.h: Add definition of
5167 HANDLE_PRAGMA_PACK_PUSH_POP.
5169 * config/i386/cygwin32.h: Add definition of
5170 HANDLE_PRAGMA_PACK_PUSH_POP.
5172 * c-pragma.c (insert_pack_attributes): Do not insert
5173 attributes unless #pragma pack(push,<n>) is in effect.
5175 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
5177 * expr.c (emit_group_store): Handle a PARALLEL destination.
5179 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
5181 * gcse.c (pre_insert_insn): When a call ends a bb, insert
5182 the new insns before the argument regs are loaded.
5184 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5186 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
5187 (c-parse.gperf): Update comments describing invocation flags.
5188 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
5190 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
5192 * reload1.c (reload): Call free before clobbering the memory
5193 locations or constants pointers.
5195 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5197 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
5198 for efficiency by checking whether we need to modify the current
5199 stack permission at all.
5200 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
5201 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
5202 __enable_execute_stack libcall here too if
5203 TRANSFER_FROM_TRAMPOLINE is defined.
5204 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
5207 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
5209 * Makefile.in (DRIVER_DEFINES): Remove last change.
5211 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5213 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
5214 insns we're going to copy.
5215 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
5217 * loop.c (count_one_set): Add prototype.
5219 * caller-save.c (restore_referenced_regs): Lose mode argument.
5220 (insert_save): Lose mode argument.
5221 (insert_restore): Lose mode argument.
5222 (insert_one_insn): Lose mode argument.
5223 (save_call_clobbered_regs): Lose mode argument.
5224 (setup_save_areas): Take no argument and return void. All callers
5226 Don't verify validity of memory addresses.
5227 * reload.h (setup_save_ares): Adjust prototype.
5228 (save_call_clobbered_regs): Likewise.
5229 * reload1.c (delete_caller_save_insns): New function.
5230 (caller_save_spill_class): Delete variable.
5231 (caller_save_group_size): Delete variable.
5232 (reload): Call setup_save_areas and save_call_clobbered_regs
5233 in the main loop, before calling calculate_needs_all_insns.
5234 Don't call save_call_clobbered_regs after the loop.
5235 Call delete_caller_save_insns at the end of an iteration if
5237 Delete code to manage caller_save_spill_class.
5238 Emit the final note before setting reload_first_uid.
5239 Simplify test that determines whether reload_as_needed gets run.
5240 (calculate_needs): Delete code to manage caller_save_spill_class.
5242 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
5244 * collect2.c (main): Initialize ld_file_name.
5246 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
5248 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
5249 check for flag_function_sections.
5251 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5253 * cse.c (insert_regs): Fix bug in Sep 24 change.
5255 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5257 * flags.h (flag_dump_unnumbered): Declare.
5258 * toplev.c (flag_dump_unnumbered): Don't declare.
5259 * print-rtl.c (flags.h): Include.
5260 (print_rtl_single): Add return value.
5261 * rtl.h (print_rtl_single): Update declaration.
5262 * flow.c (flag_dump_unnumbered): Don't declare.
5263 (print_rtl_with_bb): Use return value of print_rtl_single.
5265 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5267 * loop.c (count_one_set): New static function, broken out of
5269 (count_loop_regs_set): Call it.
5270 * global.c (mark_reg_store): Handle clobbers here by not calling
5272 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
5273 is in fact a clobber.
5274 * integrate.c (process_reg_param): New function, broken out of
5275 expand_inline_function.
5276 (expand_inline_function): Call it.
5279 * i386.md (addsidi3_1): Delete unused variable temp.
5280 (addsidi3_2): Likewise.
5281 (clstrstrsi): Delete unused variable addr1.
5283 * rtl.h: Don't declare any functions also declared in recog.h.
5285 * Makefile.in (stupid.o): Update dependencies.
5286 (global.o): Likewise.
5288 * global.c: Include reload.h
5289 (reg_becomes_live): New function.
5290 (reg_dies): New function.
5291 (build_insn_chain): New function.
5292 (global_alloc): Call build_insn_chain before calling reload.
5294 * reload.h (struct needs): New structure definition.
5295 (struct insn_chain): Likewise.
5296 (reload_insn_chain): Declare variable.
5297 (new_insn_chain): Declare function.
5300 * reload1.c (reload_startobj): New variable.
5301 (reload_insn_chain): New variable.
5302 (unused_insn_chains): New variable.
5303 (new_insn_chain): New function.
5304 (init_reload): Initialize reload_startobj, not reload_firstobj.
5305 (reload): Initialize reload_firstobj.
5306 Before returning, free everything on the reload_obstack.
5308 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
5309 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
5310 current_chain): New variables.
5311 (reg_where_born): Delete variable.
5312 (REG_WHERE_BORN): New macro.
5313 (find_clobbered_regs): New function.
5314 (stupid_life_analysis): Don't allocate/free reg_where_born.
5315 Allocate and free reg_where_born_exact, reg_where_born_clobber,
5316 reg_where_dead_chain.
5317 Use REG_WHERE_BORN instead of reg_where_born.
5318 While processing the insns, build the reload_insn_chain with
5319 information about register lifetimes.
5320 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
5321 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
5323 Compute and information about birth and death of pseudo registers in
5324 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
5325 Delete code to set elements of reg_where_born.
5327 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5329 * tree.def (GOTO_EXPR): Modified documentation.
5330 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
5333 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
5335 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
5336 loop_final_value, loop_comparison_code): No longer static.
5337 (unroll_loop): Delete loop_start_value update.
5338 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
5339 loop_final_value, loop_comparison_code): Extern.
5340 (loop_start_value): Delete extern.
5341 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
5342 loop_comparison_value, loop_comparison_code): Delete.
5343 (loop_optimize): Remove initialization for deleted variables.
5344 (strength_reduce): Delete analyze_loop_iterations call. Only call
5345 insert_bct if flag_branch_count_on_reg set.
5346 (analyze_loop_iterations): Delete.
5347 (insert_bct): Remove iteration count calculation. Move checks for
5348 viable BCT optimization to here. Obtain iteration count from
5349 loop_iterations and correct for unrolling. Check for enough
5350 iteration to be beneficial. Comment out runtime iteration count
5352 (insert_bct): Print iteration count in dump file. Remove
5353 loop_var_mode and use word_mode directly.
5355 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
5356 * rs6000.c (rs6000_override_options): Use it.
5357 (optimization_options): Enable use of flag_branch_on_count_reg.
5358 * rs6000.md (define_function_unit): Describe 604e.
5360 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5362 * loop.c (move_movables): Corrected threshold calculation for
5363 moved_once registers.
5365 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5367 * loop.c (combine_givs_p): Fix test for identical givs.
5369 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
5371 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
5372 call abort if the function is already defined.
5374 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
5376 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
5377 truncation is not a no-op.
5379 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
5381 * version.c: Bump for snapshot.
5383 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
5385 * version.c: Bump for snapshot.
5387 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
5389 * expmed.c (expand_divmod): Don't widen for computing remainder
5390 if we seem to have a divmod pattern for needed mode.
5392 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5394 * cpplib.c (macroexpand): Correct off-by-one error in handling
5397 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
5399 * combine.c (expand_field_assignment): Don't do bitwise operations
5400 on MODE_FLOAT; pun to MODE_INT if possible.
5402 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
5403 scott snyder <snyder@d0sgif.fnal.gov>
5405 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
5406 linker. Recognize mangled names in quotes.
5408 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5410 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
5411 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
5412 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
5413 (lshrsi3_extend, lshrsi3_extend2): Ditto.
5415 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5417 * function.c (purge_addressof_1): If trying to take a sub-word
5418 integral piece of a floating point mode, put it on the stack.
5420 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
5422 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
5424 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
5426 * PROJECTS: Remove template friends.
5428 * collect2.c (sort_ids): Remove unused variable.
5430 * tm.texi (MATH_LIBRARY): Document.
5431 (NEED_MATH_LIBRARY): Remove.
5433 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
5434 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
5436 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
5438 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
5439 last_end to 0x7fffffff.
5441 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5443 * function.c (purge_addressof_1): Do not perform endianness
5444 corrections on bitpos, who we call will do it for us.
5446 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
5448 * h8300.c (WORD_REG_USED): Fix typo.
5449 (initial_offset): Use WORD_REG_USED.
5451 * h8300.c (handle_pragma): Fix typo.
5453 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5455 * caller-save.c (insert_save_restore): Break this function up
5456 into new functions insert_restore, insert_save and insert_one_insn.
5457 All callers changed.
5458 (insert_restore): New function, mostly broken out of
5459 insert_save_restore.
5460 (insert_save): Likewise.
5461 (insert_one_insn): Likewise.
5462 (restore_referenced_regs): New argument BLOCK. All callers changed.
5463 (save_call_clobbered_regs): Don't keep track of basic block boundaries
5464 in this function, do it in insert_one_insn instead.
5466 * reload1.c (reload): Break out some more pieces into separate
5468 (dump_needs): New function, broken out of reload.
5469 (set_initial_elim_offsets): Likewise.
5470 (init_elim_table): Likewise.
5471 (update_eliminables): Likewise.
5473 * global.c (global_alloc): Delete code to manage the scratch_list.
5474 * local-alloc.c (qty_scratch_rtx): Delete.
5475 (scratch_block): Delete.
5476 (scratch_list): Delete.
5477 (scratch_list_length): Delete.
5478 (scratch_index): Delete.
5479 (alloc_qty_for_scratch): Delete.
5480 (local-alloc): Update initialization of max_qty.
5481 Delete code to manage the scratch list.
5482 Delete code to allocate/initialize qty_scratch_rtx.
5483 (block_alloc): Don't allocate quantities for scratches.
5484 Delete code to manage the scratch list.
5485 * regs.h (scratch_list): Delete declaration.
5486 (scratch_block): Delete declaration.
5487 (scratch_list_length): Delete declaration.
5488 * reload1.c (reload): Delete code to manage the scratch list.
5489 (spill_hard_reg): Likewise.
5490 (mark_scratch_live): Delete.
5492 * recog.c (alter_subreg): Delete declaration.
5494 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
5496 * Makefile.in (cccp.o): Fix typo in last patch.
5498 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5500 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
5501 * config/sh/lib1funcs.asm (___set_fpscr): Add.
5503 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
5505 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
5506 NULL_RTX as an argument.
5508 * Makefile.in (unlibsubdir): Define.
5509 (DRIVER_DEFINES): Use unlibsubdir.
5510 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
5511 (stmp-fixinc): Similarly.
5513 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5515 * regmove.c (regmove_optimize): Add variable old_max_uid.
5516 At the end of the function, update basic_block_end.
5518 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5520 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
5521 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
5524 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
5526 * config/arm/arm.c: Improve interworking support.
5528 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5530 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
5531 copied from reload_out[r] .
5533 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
5535 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
5536 with more than three size ranges.
5538 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
5540 * rtl.c (mode_name): Add a null string at the end of the array.
5541 (mode_wider_mode): Change type to unsigned char.
5542 (mode_mask_array): New variable.
5543 (init_rtl): Update for mode_wider_mode type change.
5545 * rtl.h (mode_wider_mode): Change type to unsigned char.
5546 (mode_mask_array): Declare.
5547 (GET_MODE_MASK): Use mode_mask_array.
5549 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
5551 * calls.c (expand_call) : Encapsulate code into
5552 copy_blkmode_from_reg.
5553 * expr.c (copy_blkmode_from_reg): New function.
5554 * expr.h (copy_blkmode_from_reg): New function.
5555 * integrate.c (function_cannot_inline_p): We can inline
5557 (expand_inline_function): Use copy_blkmode_from_reg
5558 if needed. Avoid creating BLKmode REGs.
5559 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
5562 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
5564 * config/v850/v850.c: Add function prototypes.
5565 Add support for v850 special data areas.
5567 * config/v850/v850.h: Add support for v850 special data areas.
5569 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
5570 HANDLE_PRAGMA_PACK_PUSH_POP.
5571 (push_alignment): New function: Cache an alignment requested
5572 by a #pragma pack(push,<n>).
5573 (pop_alignment): New function: Pop an alignment from the
5575 (insert_pack_attributes): New function: Generate __packed__
5576 and __aligned__ attributes for new decls whilst a #pragma pack
5578 (add_weak): New function: Cache a #pragma weak directive.
5579 (handle_pragma_token): Document calling conventions. Add
5580 support for #pragma pack(push,<n>) and #pragma pack (pop).
5582 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
5583 are defined enable HANDLE_PRAGMA_PACK.
5584 Move 'struct weak_syms' here (from varasm.c).
5585 Add pragma states for push and pop pragmas.
5587 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
5590 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
5591 HANDLE_GENERIC_PRAGMAS.
5593 * varasm.c: Move definition of 'struct weak_syms' into
5595 (handle_pragma_weak): Deleted.
5597 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5599 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5601 * c-decl.c (start_function): Add invocation of
5602 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
5604 * tm.texi: Remove description of non-existant macro
5605 SET_DEFAULT_SECTION_NAME.
5607 (HANDLE_SYSV_PRAGMA): Document.
5608 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
5610 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
5612 * config.sub: Recognize i[34567]86-pc-udk as new target.
5613 * configure.in: Likewise.
5614 * config/i386/t-udk: New file.
5615 * config/i386/udk.h: New file.
5617 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
5619 * reorg.c (check_annul_list_true_false): Remove unused variables.
5620 (steal_delay_list_from_target): Add missing "used_annul" variable.
5621 (try_merge_delay_insns): Close out half formed comment.
5623 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5625 * cpplib.c (macroexpand): If arg->raw_before or
5626 arg->raw_after, remove any no-reexpansion escape at the
5627 beginning of the pasted token. Correct handling of whitespace
5628 markers and no-reexpand markers at the end if arg->raw_after.
5630 * toplev.c (documented_lang_options): Recognize -include,
5631 -imacros, -iwithprefix, -iwithprefixbefore.
5632 * cpplib.c (cpp_start_read): Process -imacros and -include
5633 switches at the same time and in command-line order, after
5634 initializing the dependency-output code. Emit properly nested
5635 #line directives for them. Emit a #line for the main file
5636 before processing these switches, and don't do it again
5639 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
5641 * function.c (purge_addressof_1): Use bitfield manipulation
5642 routines to handle mem mode < reg mode.
5644 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5646 * reorg.c (try_merge_delay_insns): Account for resources referenced
5647 in each instruction in INSN's delay list before trying to eliminate
5648 useless instructions. Similarly when looking at a trial insn's delay
5651 * reorg.c (check_annul_list_true_false): New function.
5652 (steal_delay_list_from_{target,fallthrough}): Call it and also
5653 refine tests for when we may annul if already filled a slot.
5654 (fill_slots_from_thread): Likewise.
5655 (delete_from_delay_slot): Return newly-created thread.
5656 (try_merge_delay_isns): Use its new return value.
5658 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
5660 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
5661 used to compute a giv or as some other non-counting use.
5663 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5665 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
5666 * local-alloc.c (find_free_reg): Use it.
5667 * global.c (find_reg): Likewise.
5668 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
5670 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
5671 * caller-save.c (init_caller_save): Use it.
5672 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
5674 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5676 * configure.in: Add --enable-cpplib option which uses cpplib
5677 for cpp, but doesn't link cpplib into cc1. Make help text
5678 capitalization consistent.
5679 * configure: Rebuilt.
5681 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
5683 * function.c (gen_mem_addressof): If the address REG is
5684 REG_USERVAR_P make the new REG be so also.
5685 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
5686 in an attempt to clarify slightly.
5688 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
5690 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
5691 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
5693 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
5695 * toplev.c: Fix last patch.
5697 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
5699 * loop.c (get_condition): Fix typo in May 9 change.
5701 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5703 * invoke.texi (-fexceptions): Merge 2 different descriptions.
5705 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5707 * toplev.c (documented_lang_options): Spelling corrections.
5709 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5711 * configure.in: new flags --with-ld and --with-as, equivalent
5712 to setting LD and AS environment variables. Test whether
5713 specified arguments are GNU commands, and report them with
5714 checking messages. Use the specified AS for configure
5717 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
5719 * gcc.c (find_a_file): when looking for `as' and `ld', return
5720 the DEFAULT program if it exists
5721 * collect2.c (main): use DEFAULT_LINKER if it exists
5723 * gcc.c (find_a_file): the test for existence of a full
5724 pathname was reversed
5726 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
5728 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
5729 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
5731 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
5733 * tree.h (TYPE_BINFO): Document.
5735 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
5737 * i386-coff.h (dbxcoff.h): Added.
5739 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
5741 * toplev.c: fix bad patch around flag_data_sections.
5743 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
5745 * reload1.c (reload): Use reload_address_index_reg_class and
5746 reload_address_base_reg_class when setting
5747 caller_save_spill_class. (Patch generated by Jim Wilson:
5750 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
5752 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
5753 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
5754 * expr.c (store_field): Add alias_set parameter. Set the
5755 MEM_ALIAS_SET accordingly, if the target is a MEM.
5756 (expand_assignment): Use it.
5757 (store_constructor_field): Pass 0.
5758 (expand_expr): Likewise.
5760 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
5762 * flags.h: Add flag_data_sections.
5763 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
5764 (compile_file): Error if flag_data_sections not supported.
5765 * varasm.c (assemble_variable): Handle flag_data_sections.
5766 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
5767 * config/mips/elf.h: Likewise.
5768 * config/mips/elf64.h: Likewise.
5769 * invoke.texi: Describe -fdata-sections.
5771 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
5773 * invoke.texi (-ffloat-store): Clarify that this option
5774 does not affect intermediate results -- only variables.
5776 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
5778 * cpp.texi: Update for Fortran usage from Craig.
5780 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5782 * rs6000.c (function_arg_boundary): Revert accidental change on
5785 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
5787 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
5788 (output_mi_thunk): Declare.
5790 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
5791 (output_function_profiler): Use r12 for temp, instead of r11 so
5792 that we preserve the static chain register.
5794 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
5796 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
5798 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5800 * sh.c (gen_shl_sext): Fix case 5.
5802 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5804 * reload1.c (reload_combine): Re-add line that got accidentally lost.
5806 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5808 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
5809 accessing variables until they are initialized via va_arg().
5811 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5813 * reload1.c (reload_combine): Initialize set before using.
5815 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
5817 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
5820 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
5822 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
5823 operand3 with mask before using it. Patch provided by Jim Wilson.
5825 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5827 * config/sparc/sparc.c (function_value): Perform the equivalent of
5828 PROMOTE_MODE for ARCH64.
5829 (eligible_for_epilogue_delay): Allow DImode operations in delay
5830 slot of a return for ARCH64.
5832 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5834 * sh.md (sqrtsf2): Fix mode of sqrt.
5836 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5838 * reload1.c (choose_reload_regs): Also try inheritance when
5839 reload_in is a stack slot of a pseudo, even if we already got a
5842 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5844 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
5845 (reload_cse_regs): New function body: call reload_cse_regs_1,
5846 reload_combine, reload_cse_move2add.
5847 When doing expensive_optimizations, call reload_cse_regs_1 a
5848 second time after reload_cse_move2add.
5849 (reload_combine, reload_combine_note_store): New functions.
5850 (reload_combine_note_use): New function.
5851 (reload_cse_move2add, move2add_note_store): New functions.
5853 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5855 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
5856 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
5858 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
5859 more than 3 such reloads.
5861 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
5862 RELOAD_FOR_X_ADDR_ADDR reload.
5864 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5866 * expr.c (store_constructor): When initializing a field that is smaller
5867 than a word, at the start of a word, try to widen it to a full word.
5869 * cse.c (cse_insn): When we are about to change a register,
5870 remove any invalid references to it.
5872 (remove_invalid_subreg_refs): New function.
5873 (mention_regs): Special treatment for SUBREGs.
5874 (insert_regs): Don't strip SUBREG for call to mention_regs.
5875 Check if reg_tick needs to be bumped up before that call.
5876 (lookup_as_function): Try to match known word_mode constants when
5877 looking for a norrower constant.
5878 (canon_hash): Special treatment for SUBREGs.
5880 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5882 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
5883 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
5884 defined, emit libcall to __enable_execute_stack. Also fix opcodes
5885 and offsets in actual stack trampoline code so they match the
5886 commentary and actually work.
5888 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5890 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
5892 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
5893 tmake_file. Set extra_parts to needed crt objects.
5894 * configure: Rebuilt.
5895 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
5896 (TARGET_DEFAULT): Set if default is v9 or ultra.
5897 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
5898 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
5899 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
5900 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
5901 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
5902 (TARGET_VERSION): Define.
5903 (MULTILIB_DEFAULT): Define.
5904 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
5905 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
5906 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
5908 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
5909 * config/sparc/sparc.c (sparc_override_options): If arch and
5910 pointer size disagree, emit diagnostic and fix it up. If
5911 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
5912 V8PLUS in 64-bit mode.
5913 * config/sparc/t-linux64: New file.
5914 * config/sparc/t-sol2-64: New file.
5915 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
5916 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
5917 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
5918 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
5919 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
5920 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
5922 (STARTFILE_SPEC): Set approriately based upon those.
5923 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
5924 disposition of DEFAULT_ARCH32_P.
5925 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
5926 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
5927 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
5928 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
5929 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
5931 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
5933 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
5935 * rtl.h (init_virtual_regs): New function.
5936 * emit-rtl.c (init_virtual_regs): Define.
5937 (insn_emit): Use it.
5938 * integrate.c (save_for_inline_copying): Likewise.
5940 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
5942 * config/arm/thumb.h: The following patches were made by Jim Wilson:
5943 (enum reg_class): Add NONARG_LO_REGS support.
5944 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5945 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
5946 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
5947 completes. Re-enable HImode REG+OFFSET addresses.
5948 (LEGITIMIZE_RELOAD_ADDRESS): Define.
5950 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
5952 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
5954 * alpha.c (get_aligned_mem): Revert Sep 20 change.
5955 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
5956 (alpha_align_insns): Properly calculate initial offset wrt max_align.
5958 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
5960 * arm.c (find_barrier): Revert change of Apr 23. Handle table
5961 jumps as a single entity, taking into account the size of the
5964 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5966 * tree.def (SWITCH_EXPR): New tree node definition.
5968 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
5970 * version.c: Bump for snapshot.
5972 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
5974 * version.c: Bump for snapshot.
5976 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
5978 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
5981 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
5983 * Revert this patch.
5984 * reload.c (find_reloads): Do not replace a pseudo with
5985 (MEM (reg_equiv_addr)) in the initializing insn for the
5988 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
5990 * final.c (final_scan_insn): Disable tracking CC across branches.
5992 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5994 * expr.h (eh_rtime_match_libfunc): New extern declaration.
5995 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
5996 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
5997 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
5998 NULL. Only include <stdio.h> if inhibit_libc is not defined.
6000 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
6002 * toplev.c (rest_of_compilation): Skip compiling anything with
6003 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
6005 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
6007 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
6008 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
6009 use in_libcall_block.
6010 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
6011 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
6014 Mon Sep 21 14:02:23 1998
6016 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
6017 typo in no-fancy-math-387 description.
6019 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
6021 * version.c: Bump for snapshot.
6023 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
6025 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
6027 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
6029 * i386.h: (TARGET_SWITCHES) Add description fields for flags
6030 documented in install.texi.
6031 (TARGET_OPTIONS) Likewise.
6033 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
6035 * version.c: Bump for snapshot.
6037 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
6039 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
6040 * cccp.c (main): Likewise.
6042 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
6043 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
6046 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
6048 * Makefile.in (LIBS): Link in libiberty.a.
6049 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
6051 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
6053 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
6054 it to update bb boundaries. Update caller.
6055 * function.c (reposition_prologue_and_epilogue_notes): Update
6056 bb boundaries wrt the moved note.
6058 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
6060 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
6062 * configure: Regenerate.
6064 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
6066 * alpha.c (alpha_sr_alias_set): New variable.
6067 (override_options): Set it.
6068 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
6069 (mode_mask_operand): Fix signed-unsigned comparision warning.
6070 (alpha_expand_block_move): Likewise.
6071 (print_operand): Likewise.
6072 (get_aligned_mem): Use change_address.
6073 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
6074 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
6075 (alphaev4_next_nop, alphaev5_next_nop): New functions.
6076 (alpha_align_insns): Remade from old alphaev5_align_insns
6077 to handle multiple processors.
6078 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
6079 * output.h (label_to_alignment): Prototype.
6081 * tree.c (new_alias_set): New function.
6082 * tree.h (new_alias_set): Declare it.
6083 * c-common.c (c_get_alias_set): Use it.
6085 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
6087 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
6088 to an ABS expr, convert an unsigned input to signed.
6090 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
6092 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
6094 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6096 * configure.in: Add support for c4x targets.
6097 * configure: Rebuilt.
6099 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
6101 * combine.c (distribute_notes): If an insn is a cc0 user, only
6102 delete it if we can also delete the cc0 setter.
6104 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
6106 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
6107 (invert_truthvalue): Enable truthvalue inversion for
6108 floating-point operands if -ffast-math.
6110 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
6112 * configure.in: Disable collect2 for nextstep. Instead use
6114 * configure: Rebuilt.
6115 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
6116 (ENDFILE_SPEC): Define.
6117 (OBJECT_FORMAT_MACHO): Define.
6118 (EH_FRAME_SECTION_ASM_OP): Define.
6119 * crtstuff.c: Handle MACHO.
6121 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
6123 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
6125 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
6127 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
6128 (_fpadd_parts): Get sign right for 0.
6130 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6132 * ginclude/varargs.h: Add support for C4x target.
6133 * ginclude/stdargs.h: Likewise.
6135 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
6137 * alpha.c (alpha_return_addr): SET should be VOIDmode.
6138 (alpha_emit_set_long_const): Rewrite to be callable from reload
6140 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
6141 * alpha.md (movdi): Likewise.
6143 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
6145 * arm.c (add_constant): New parameter address_only, change caller.
6146 Set it non-zero if taking the address of an item in the pool.
6147 (arm_reorg): Handle cases where we need the address of an item in
6150 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
6152 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
6153 memory addresses that are not in standard canonical form.
6155 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
6157 * README.C4X: New file with information about the c4x ports.
6158 * ginclude/va-c4x.h: New file for c4x varargs support.
6159 * config/c4x: New directory with c4x port files.
6161 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
6163 * reload.c (find_reloads): Do not replace a pseudo with
6164 (MEM (reg_equiv_addr)) in the initializing insn for the
6167 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
6169 * toplev.c (rest_of_compilation): Set bct_p on second call to
6171 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
6173 (strength_reduce): Only call analyze_loop_iterations and
6174 insert_bct if bct_p set.
6175 (check_dbra_loop): Fix typo.
6176 (insert_bct): Use word_mode instead of SImode.
6177 (instrument_loop_bct): Likewise. Do not delete iteration count
6178 condition code generation insn. Initialize iteration count before
6180 * rtl.h (loop_optimize): Update prototype.
6182 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
6183 not doubleword aligned.
6185 * rs6000.c (optimization_options): New function.
6186 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
6187 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
6188 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
6189 first; cr1 can be used for FP record condition insns.
6191 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
6193 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
6196 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
6199 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
6201 (block_move_call): New function: Call a library routine to copy a
6203 (m32r_expand_block_move): New function: Expand a "movstrsi"
6204 pattern into a sequence of insns.
6205 (m32r_output_block_move): New function: Expand a
6206 "movstrsi_internal" pattern into a sequence of assembler opcodes.
6207 (m32r_block_immediate_operand): New function: Return true if the
6208 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
6210 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6212 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
6214 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
6216 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6218 * regmove.c (copy_src_to_dest): Check that modes match.
6220 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
6222 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
6224 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
6226 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
6227 narrower than FLOAT_REGS.
6229 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6231 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
6233 * Makefile.in (old_gxx_include_dir): removed
6235 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
6237 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
6240 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
6241 (sh_handle_pragma): Change function arguments to match new
6242 specification for HANDLE_PRAGMA.
6244 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6246 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
6248 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
6249 When generating output, initialize missing struct member to zero.
6251 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6253 * regmove.c (copy_src_to_dest): Don't copy if that requires
6254 (a) new register(s).
6256 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6258 * global.c (reg_allocno): Now static.
6259 * reload1.c (reg_allocno): Delete declaration.
6260 (order_regs_for_reload): Take no arguments. Don't treat regs
6261 allocated by global differently than those allocated by local-alloc.
6263 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
6265 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
6266 condition, fix format strings.
6267 (output_function_epilogue): Likewise.
6269 * m68k/m68k.c: Don't include <stdlib.h> directly.
6271 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
6273 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
6274 mem_first_set, mem_last_set; because 0 can be a CUID.
6275 (oprs_unchanged_p): Use new definition.
6276 (record_last_reg_set_info): Likewise.
6277 (record_last_mem_set_info): Likewise.
6278 (compute_hash_table): Likewise.
6280 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
6282 * rs6000.c (output_epilogue): Handle Chill.
6284 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
6285 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
6287 * combine.c (make_extraction): If no mode is specified for
6288 an operand of insv, extv, or extzv, default it to word_mode.
6289 (simplify_comparison): Similarly.
6290 * expmed.c (store_bit_field): Similarly.
6291 (extract_bit_field): Similarly.
6292 * function.c (fixup_var_regs_1): Similarly.
6293 * recog.c (validate_replace_rtx_1): Similarly.
6294 * mips.md (extv, extzv, insv expanders): Default modes for most
6295 operands. Handle TARGET_64BIT.
6296 (movdi_uld, movdi_usd): New patterns.
6298 * pa.c (emit_move_sequence): Do not replace a pseudo with its
6299 equivalent memory location unless we have been provided a scratch
6300 register. Similarly do not call find_replacement unless a
6301 scratch register has been provided.
6303 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6305 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
6308 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
6310 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
6311 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
6312 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
6313 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
6314 * c-decl.c (init_decl_processing): Update accordingly.
6315 * expr.c (expand_builtin): Likewise.
6317 * rtl.h (global_rtl): Add cfa entry.
6318 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
6319 (LAST_VIRTUAL_REGISTER): Update.
6320 * emit-rtl.c (global_rtl): Add cfa entry.
6321 (init_emit): Initialize it.
6322 * function.c (cfa_offset): New.
6323 (instantiate_virtual_regs): Initialize it.
6324 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
6325 (expand_function_end): Call expand_eh_return.
6326 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
6328 * except.c (current_function_eh_stub_label): Kill.
6329 (current_function_eh_old_stub_label): Likwise; update all references.
6330 (expand_builtin_set_return_addr_reg): Kill.
6331 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
6332 (expand_builtin_set_eh_regs): Kill.
6333 (eh_regs): Produce a third reg for the actual handler address.
6334 (eh_return_context, eh_return_stack_adjust): New.
6335 (eh_return_handler, eh_return_stub_label): New.
6336 (init_eh_for_function): Initialize them.
6337 (expand_builtin_eh_return, expand_eh_return): New.
6338 * except.h: Update prototypes.
6339 * flow.c (find_basic_blocks_1): Update references to the stub label.
6340 * function.h (struct function): Kill stub label elements.
6342 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
6343 register number is one that would be in the previous window.
6344 Provide a dummy definition for non-windowed targets.
6345 (get_reg_addr): New function.
6346 (get_reg, put_reg, copy_reg): Use it.
6347 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
6348 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
6350 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
6351 (alpha_init_expanders): Initialize it.
6352 (alpha_expand_epilogue): Use it.
6353 * alpha.h: Declare it.
6354 * alpha.md (eh_epilogue): New.
6356 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
6357 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
6359 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
6361 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
6364 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6366 * except.h (struct eh_entry): Add false_label field.
6367 (end_catch_handler): Add prototype.
6368 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
6369 (start_catch_handler): When using old style exceptions, issue
6370 runtime typematch code before continuing with the handler.
6371 (end_catch_handler): New function, generates label after handler
6372 if needed by older style exceptions.
6373 (expand_start_all_catch): No need to check for new style exceptions.
6374 (output_exception_table_entry): Only output the first handler label
6375 for old style exceptions.
6376 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
6377 mechanism into one function, if a runtime matcher is provided.
6379 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6381 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
6383 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
6385 * integrate.c (copy_decl_list): Fix typo.
6387 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6389 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
6392 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
6394 * version.c: Bump for snapshot.
6396 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
6398 * version.c: Bump for snapshot.
6400 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
6402 * version.c: Bump for snapshot.
6404 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6406 * invoke.texi (C Dialect Options): Put back missing @end itemize.
6408 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6410 * configure.in: remove usage of `!' to negate the result of a
6411 command; some common shells do not support it
6413 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6415 * configure.in: in sparc9-sol2 config, use 'if test' not
6417 * configure: Rebuilt.
6419 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
6421 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
6422 (CPP_CPU_DEFAULT_SPEC): Likewise.
6423 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
6424 for arch64 libfuncs.
6426 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
6429 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6431 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
6433 * collect2.c: Don't declare `sys_siglist' here.
6434 (my_strsignal): Prototype and define new function. Use it in
6435 place of `sys_siglist' hacks.
6437 * mips_tfile.c: Likewise.
6439 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
6440 (GCC_NEED_DECLARATIONS): Likewise.
6442 * system.h (strsignal): Prototype it, if necessary.
6443 (sys_siglist): Declare it, if necessary.
6445 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6447 * loop.c (move_movables): While removing insn sequences, preserve
6448 the next pointer of the most recently deleted insn when we skip
6451 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
6453 * objc/config-lang.in: Do not output the name of the selected
6454 thread file when building the front-end. The Makefile for the
6455 runtime library will do this.
6457 * objc/Make-lang.in: Do not build the runtime library or install
6458 the Objective C header files. The Makefile for the runtime
6459 library will do this.
6461 * objc/Makefile.in (all.indirect): Only build the front-end.
6462 (compiler): Rename to `frontend'.
6463 (obj-runtime): Remove target.
6464 (copy-headers): Likewise.
6465 (clean): No need to remove `libobjc.a' any longer.
6467 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
6469 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
6470 supported with -mcpu=xxx.
6472 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6474 * flow.c (mark_set_1): Recognize multi-register structure return
6475 values in CALL insns.
6476 (mark_used_regs): Likewise.
6477 (count_reg_sets_1): Likewise.
6478 (count_reg_references): Likewise.
6479 * rtlanal.c (note_stores): Likewise.
6480 (reg_overlap_mentioned_p): Likewise.
6481 * haifa-sched.c (check_live_1): Likewise.
6482 (update_live_1): Likewise.
6483 (sched_analyze_1): Likewise.
6484 (sched_note_set): Likewise.
6485 (birthing_insn_p): Likewise.
6486 (attach_deaths): Likewise.
6488 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
6491 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
6493 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
6495 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6497 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
6499 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6501 * configure.in: Add check for GAS subsection -1 support.
6502 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
6503 * configure config.in: Rebuilt.
6504 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
6505 SImode is subsection -1 works, else use DImode.
6506 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
6507 subsection -1 works.
6508 * config/sparc/sparc.c (sparc_output_addr_vec,
6509 sparc_output_addr_diff_vec): Use them if defined.
6511 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
6513 * tree.h (DECL_ORIGIN): New macro.
6514 * integrate.c (copy_and_set_decl_abstract_origin): New function.
6515 (copy_decl_list): Use it.
6516 (integrate_parm_decls): Likewise.
6517 (integrate_decl_tree): Likewise.
6518 * dwarf2out.c (decl_ultimate_origin): Simplify.
6519 * dwarfout.c (decl_ultimate_origin): Likewise.
6520 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
6521 (pushdecl): Likewise.
6523 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
6525 * config/rs6000/rs6000.c (output_epilog): Add Java support.
6527 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
6529 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
6531 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
6533 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
6534 empty or has a single entry.
6536 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
6537 before calling reg_to_stack.
6539 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
6541 * alpha.c (alphaev5_insn_pipe): Abort on default case.
6542 (alphaev5_next_group): Swallow CLOBBERs and USEs.
6544 * c-tree.h (warn_long_long): Declare it.
6546 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
6548 * emit-rtl.c (gen_lowpart_common): Disable optimization of
6549 initialized float-int union if the value is a NaN.
6551 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
6553 * c-lex.c (real_yylex): Don't warn about long long constants if
6554 we're allowing long long
6556 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6558 * except.h (current_function_eh_stub_label): Declare.
6559 (current_function_eh_old_stub_label): Declare.
6560 * function.h (struct function): New members eh_stub_label and
6562 * except.c (current_function_eh_stub_label): New variable.
6563 (current_function_eh_old_stub_label): New variable.
6564 (init_eh_for_function): Clear them.
6565 (save_eh_status): Save them.
6566 (restore_eh_status): Restore them.
6567 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
6568 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
6569 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
6570 make an edge from the block that contains it to the block starting
6571 with the label if this label is one of the eh stub labels.
6572 If eh stub labels exist, show they are reachable from the last block
6575 * reload1.c (reload): Break out several subroutines and make some
6577 (calculate_needs_all_insns): New function, broken out of reload.
6578 (calculate_needs): Likewise.
6579 (find_reload_regs): Likewise.
6580 (find_group): Likewise.
6581 (find_tworeg_group): Likewise.
6582 (something_needs_reloads): New global variable, formerly in reload.
6583 (something_needs_elimination): Likewise.
6584 (caller_save_spill_class): Likewise.
6585 (caller_save_group_size): Likewise.
6586 (max_needs): Likewise.
6587 (group_size): Likewise.
6588 (max_groups): Likewise.
6589 (max_nongroups): Likewise.
6590 (group_mode): Likewise.
6591 (max_needs_insn): Likewise.
6592 (max_groups_insn): Likewise.
6593 (max_nongroups_insn): Likewise.
6594 (failure): Likewise.
6596 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
6598 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
6600 * loop.c (load_mems): Copy rtx for output mem.
6602 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
6604 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
6605 mips1 or mips2 either.
6607 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
6609 * pa.c (pa_reorg): New marking scheme for jumps inside switch
6611 (pa_adjust_insn_length): Update to work with new marking scheme
6612 for jumps inside switch tables.
6613 * pa.md (switch_jump): Remove pattern.
6614 (jump): Handle jumps inside jump tables.
6616 * Makefile.in (profile.o): Depend on insn-config.h
6618 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
6620 * iris6.h (DWARF2_UNWIND_INFO): Undef.
6622 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6624 Add preliminary native sparcv9 Solaris support.
6625 * configure.in: Recognize sparv9-*-solaris2*
6626 * configure: rebuilt
6627 * config.sub: Recognize sparcv9 just like sparc64.
6628 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
6629 config/sparc/sol2-cn.asm: Macroize so it can be shared between
6630 32-bit and 64-bit Solaris systems.
6631 * config/sparc/t-sol2: Assemble those with cpp.
6632 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
6633 (*TF*_LIBCALL): If ARCH64 use V9 names.
6634 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
6636 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6638 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
6639 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
6641 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
6643 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
6644 to Pmode if CASE_VECTOR_MODE is something else.
6646 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
6648 * prefix.c (update_path): Correctly handle cases where PATH is
6649 a substring of the builtin prefix, but specifies a different
6652 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
6654 * expr.c: Corrected comment about what MOVE_RATIO does.
6655 * config/alpha/alpha.h: Ditto.
6656 * config/1750a/1750a.h: Ditto.
6657 * config/clipper/clipper.h: Ditto.
6658 * config/i386/i386.h: Ditto.
6660 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
6662 * configure.in (m68k-next-nextstep3*): Use collect2.
6663 Similarly for x86 NeXT configurations.
6664 * configure: Rebuilt.
6666 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
6668 * configure.in: Don't assume srcdir is .../gcc
6669 * configure: Rebuilt.
6671 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
6673 * global.c: Update comments.
6674 (global_alloc): Assign allocation-numbers
6675 even for registers allocated by local_alloc in case
6676 they are later spilled and retry_global_alloc is called.
6677 (mark_reg_store, mark_reg_clobber,
6678 mark_reg_conflicts, mark_reg_death): Always record a
6679 conflict with a pseudo register even if it has been
6680 assigned to a hard register.
6681 (dump_conflicts): Don't list pseudo registers already assigned to
6682 a hard register as needing to be allocated, but do list their
6684 * local-alloc.c: Update comment.
6686 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
6688 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
6689 * configure: Rebuilt.
6691 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
6693 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
6695 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
6696 for all targets that set -msoft-float.
6698 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6700 * toplev.c (print_switch_values): Make static to match prototype.
6702 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
6704 * configure.in: If we are unable to find the "gnatbind" program,
6705 then do not configure the ada subdir.
6706 * configure: Rebuilt.
6708 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
6710 * version.c: Bump for snapshot.
6712 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
6714 * version.c: Bump for snapshot.
6716 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6718 * Makefile.in (toplev.o): Depend on $(EXPR_H).
6719 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
6721 * gansidecl.h: Define ATTRIBUTE_NORETURN.
6723 * genattrtab.c: Have insn-attrtab.c include toplev.h.
6725 * genextract.c: Have insn-extract.c include toplev.h.
6727 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
6729 * toplev.c: Include expr.h.
6730 (really_sorry, fancy_abort): Remove prototypes.
6731 (set_target_switch): Add argument in prototype.
6732 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
6733 (v_really_sorry): Likewise.
6734 (print_version, print_single_switch, print_switch_values): Make
6735 static and add prototype arguments.
6736 (decl_printable_name): Add prototype arguments.
6737 (lang_expand_expr_t): New typedef.
6738 (lang_expand_expr): Declare as a lang_expand_expr_t.
6739 (incomplete_decl_finalize_hook): Add prototype argument.
6740 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
6741 (botch): Likewise for variable `s'.
6742 (rest_of_type_compilation): Mark variables `type' and `toplev'
6743 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
6744 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
6745 (display_help): Make variable `i' an `unsigned long'.
6746 (main): Remove unused parameter `envp'.
6747 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
6748 Cast -1 when comparing it with a `size_t'.
6750 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
6751 prototype with ATTRIBUTE_NORETURN.
6752 (fatal_insn_not_found, fatal_insn, really_sorry,
6753 push_float_handler, pop_float_handler): Add prototypes.
6754 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
6755 (do_abort, botch): Add prototypes.
6757 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
6759 * final.c (final): If a label is reached only from a single jump,
6760 call NOTICE_UPDATE_CC on the jump and its predecessor before
6761 emitting the insn after the label.
6763 * i386.h: Add AMD K6 support.
6764 Change TARGET_* macros to use table lookup.
6765 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
6766 (ADJUST_COST): Change definition to call function in i386.c.
6767 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
6768 * i386.c: Add AMD K6 support.
6769 Add constants for feature tests used by TARGET_* macros.
6770 (split_di): If before reload, call gen_lowpart and gen_highpart.
6771 (x86_adjust_cost): New function.
6772 (put_jump_code): New function.
6773 (print_operand): New codes 'D' and 'd'.
6774 * i386.md: New insn types. New insn attribute "memory".
6775 Redefine scheduling parameters to use new types and add AMD K6
6776 support. Explicitly set type of most insns.
6777 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
6778 Pro and K6 prefer movl $1,reg to incl reg.
6779 (adddi3, subdi3): Set cc_status.
6780 (DImode shift patterns): Change label counters from HOST_WIDE_INT
6781 to int; x86 can't have more than 2^31 DImode shifts per file.
6782 (setcc): Combine all setcc patterns. Allow writing memory.
6783 Combine all jump patterns using match_operator.
6784 (*bzero): Name pattern. Emit mutliple stos instructions when that
6785 is faster than rep stos.
6786 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
6789 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
6791 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
6794 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
6796 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
6797 not whatever we're generating now.
6799 * alpha.c (set_frame_related_p, FRP): New.
6800 (alpha_expand_prologue): Mark frame related insns.
6801 (alpha_expand_epilogue): Likewise, but with a null FRP.
6802 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
6803 * alpha.md (exception_receiver): New.
6804 * alpha/crtbegin.asm (.eh_frame): New beginning.
6805 (__do_frame_setup, __do_frame_takedown): New.
6806 * alpha/crtend.asm (.eh_frame): New ending.
6807 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
6808 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
6809 (ASM_FILE_START): Don't emit .file for dwarf2.
6811 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
6812 * rtl.c (reg_note_name): Likewise.
6813 * rtl.texi (REG_NOTES): Likewise.
6814 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
6817 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
6819 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
6820 * i386.md (movsf, movdf, movxf): Validate memory address returned
6821 from force_const_mem. Kill useless REG_EQUAL setting code.
6823 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
6825 * m68k.md (zero_extendsidi2): Fix typo.
6827 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
6829 * configure.in: Removed references to the removed file
6830 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
6831 * arm*-*-netbsd* and ns32k-*-netbsd*.
6832 * config/i386/xm-netbsd.h: Removed unnecessary file.
6833 * config/m68k/xm-netbsd.h: Likewise.
6834 * config/sparc/xm-netbsd.h: Likewise.
6835 * config/mips/xm-netbsd.h: Likewise.
6837 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
6839 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
6840 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
6842 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
6843 for exact section attributions.
6845 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
6847 * i386/crtdll.h (CPP_PREDEFINES): Define.
6849 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
6851 * m68k.md (5200 movqi): Do not allow byte sized memory references
6853 * m68k.c (output_move_qimode): Do not use byte sized operations on
6856 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
6857 explicit rules for building. Similarly for alloca, vfprintf,
6858 choose-temp and mkstemp, getopt, getopt1, and obstack.
6859 (INCLUDES): Add $(srcdir)/../include.
6860 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
6861 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
6863 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
6865 * gcc.c (do_spec_1): [case 'o'] Account for
6866 lang_specific_extra_outfiles.
6867 (main): Correctly clear all slots in outfiles for
6868 lang_specific_extra_outfiles. Set input_file_number before
6869 calling lang_specific_pre_link.
6871 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
6873 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
6875 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6877 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
6879 (sparc_output_deferred_case_vectors): If no work to do, return.
6880 Fix thinko in Sept 1 change.
6882 1998-09-03 SL Baur <steve@altair.xemacs.org>
6884 * Makefile.in: add semicolon in BISON definition for portability.
6886 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
6888 * config/nextstep.c (handle_pragma): Correct name of third
6891 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
6893 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
6894 * config/m32r/m32r.h: Make register 17 be fixed.
6895 * config/m32r/m32r.c: Use SImode for cc operations.
6897 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
6899 * invoke.texi (Warning Options): Add -Wnon-template-friend
6902 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
6904 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
6906 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
6908 * rs6000.md (movsf): Disable explicit secondary-reload-like
6909 functionality if TARGET_POWERPC64.
6910 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
6913 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
6915 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
6916 and term.h from fixinc.wrap.
6918 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6920 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
6921 safe to include both string.h and strings.h together.
6922 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
6923 which headers to search for function declarations. Continue to
6924 prefer string.h over strings.h when both are not acceptable.
6926 * acconfig.h (STRING_WITH_STRINGS): Add stub.
6928 * configure.in: Call GCC_HEADER_STRING.
6930 * system.h: Test STRING_WITH_STRINGS when deciding which headers
6931 to include. Continue to prefer string.h over strings.h when both
6934 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6936 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
6937 not assume top 32-bits of symbolic addresses are zero if
6940 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
6942 * ginclude/va-alpha.h: Protect entire second portion of the
6943 file against double inclusion.
6945 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
6947 Added support for the Boehm's garbage collector.
6948 * configure.in: Handle --enable-objc-gc.
6949 * configure: Rebuilt.
6950 * Makefile.in (CHECK_TARGETS): Add check-objc.
6951 (check-objc): New rule.
6952 * objc/Make-lang.in: Build a different Objective-C library that
6953 runs with the Boehm's collector.
6954 * objc/encoding.c (objc_round_acc_size_for_types): New function.
6955 * objc/encoding.c: Correctly compute the size of compound types in
6956 the presence of bitfields. Skip the variable name of the type if
6957 any. Added support for long long.
6958 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
6959 (_F_GCINVISIBLE): New mask.
6960 * objc/gc.c: New file. Compute the type memory mask associated with
6961 a class based on the runtime information.
6962 * objc/misc.c: Added the hooks that use the Boehm's collector
6963 allocation functions.
6964 * objc/objc-act.c (build_class_template): Generate a new class
6965 member (gc_object_type) to hold the class' type memory mask.
6966 (build_shared_structure_initializer): Initialize the new member to
6968 (encode_complete_bitfield): New function. Generate the new
6970 (encode_field_decl): Generate the new encoding only for the GNU
6972 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
6974 (class_get_gc_object_type): New function to mark a pointer instance
6975 variable as a weak pointer.
6976 * objc/objc-features.texi: New file.
6977 * objc/objc.h (gc_object_type): New class member.
6978 * objc/objects.c (class_create_instance): Create a typed memory
6979 object when compiled with Boehm's collector support.
6980 * objc/sendmsg.c (__objc_init_install_dtable): Call
6981 __objc_send_initialize instead of setting the initialize flag.
6982 (__objc_send_initialize): Call __objc_generate_gc_type_description
6983 to generate the class type memory mask. Rewrite the code that
6984 sends the +initialize so that it is called only once (bug report
6985 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
6986 * testsuite/objc: New testsuite for Objective-C type encoding.
6987 * testsuite/lib/objc-torture.exp: New file.
6988 * testsuite/lib/objc.exp: New file.
6990 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
6992 * jump.c (jump_optimize): In if/then/else transformations, add
6993 another call to modified_between_p for the jump insn.
6995 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
6997 * fix-header.c (symlink): Treat like readlink.
6999 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7001 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
7004 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
7006 * config/nextstep.h: Update HANDLE_PRAGMA macro.
7007 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
7008 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
7010 * config/nextstep.c (handle_pragma): Take three arguments, as per
7011 the new HANDLE_PRAGMA macro specification.
7012 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
7013 per the new HANDLE_PRAGMA macro specification.
7014 * config/i960/i960.c (process_pragma): Take three arguments, as
7015 per the new HANDLE_PRAGMA macro specification.
7017 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
7019 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
7020 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
7021 if unknown pragmas are encountered.
7022 (handle_sysv_pragma): Interpret return code from
7023 handle_pragma_token (). Return success/failure indication rather
7024 than next unprocessed character.
7025 (pragma_getc): New function: retrieves characters from the
7026 input stream. Defined when HANDLE_PRAGMA is enabled.
7027 (pragma_ungetc): New function: replaces characters back into the
7028 input stream. Defined when HANDLE_PRAGMA is enabled.
7030 * c-pragma.c (handle_pragma_token): Return success/failure status
7033 * c-pragma.h: Change prototype of handle_pragma_token().
7035 * varasm.c: (handle_pragma_weak): Only create this function if
7036 HANDLE_PRAGMA_WEAK is defined.
7038 * c-common,c (decl_attributes): If defined call the expression
7039 contained within the INSERT_ATTRIBUTES macro before adding
7040 attributes to a decl.
7042 * tm.texi (HANDLE_PRAGMA): Document the new verion of
7043 HANDLE_PRAGMA, which takes three arguments.
7044 (INSERT_ATTRIBUTES): Document this new macro.
7046 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
7047 new INSERT_ATTRIBUTES macro.
7049 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7051 * config/sparc/sparc.md (movdf): Only generate special RTL for
7052 LABEL_REFs when PIC.
7053 (move_label_di): Remove
7054 (movdi_pic_label_ref, movdi_high_pic_label_ref,
7055 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
7056 references when PIC.
7057 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
7058 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
7059 output an .xword for all 64-bit cases.
7061 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7063 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
7064 alignment, use FUNCTION_BOUNDARY instead.
7065 (sparc_output_deferred_case_vectors): Likewise.
7067 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7069 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
7070 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
7072 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
7074 * alpha/va_list.h: New file.
7075 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
7077 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
7079 * NEWS: Add SCO Openserver and Unixware 7 notes.
7083 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
7085 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
7086 (record_constant_1): Handle RANGE_EXPR.
7088 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
7090 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
7091 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
7092 and NOTE_INSN_RANGE_END specially.
7093 (reemit_notes): Likewise.
7095 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7097 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
7098 (ultrasparc_sched_init): Remove unneeded &.
7100 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7102 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
7103 for m68020-60, to prevent the use of fintrz.
7105 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
7107 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
7109 * Makefile.in: Likewise.
7110 * configure: Regenerated.
7112 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
7114 * configure.in (gxx_include_dir): Changed to
7115 '${prefix}/include/g++'-${libstdcxx_interface}.
7116 * configure: Rebuilt.
7118 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
7120 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
7122 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
7123 *sequences* *below* which scalar moves will be used.
7125 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
7127 * collect2.c (mktemp): Delete unused declaration.
7129 * config/xm-netbsd.h: Remove unnecessary file.
7130 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
7131 file anymore, it is not needed.
7133 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
7135 * convert.c (convert_to_integer): Issue an error on conversions to
7138 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
7140 * Makefile.in: Add lang_tree_files and gencheck.h.
7141 * configure.in: Generate them.
7142 * gencheck.c: Include gencheck.h.
7144 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7146 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
7147 movdi_lo_sum_pic and movdi_high_pic and make visible.
7148 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
7149 emit these when Pmode is not SImode.
7150 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
7152 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
7154 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
7155 .linkonce directive after the first time.
7157 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
7159 * m68k.md (beq0_di): Generate correct (and more efficient) code when
7160 the clobbered operand overlaps with an input.
7161 (bne0_di): Similarly.
7163 * Makefile.in (INSTALL): Remove "--no-header" argument.
7165 * NEWS: Various updates.
7167 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7169 * config/sparc/sparc.c (arith_operand, const64_operand,
7170 const64_high_operand, arith_double_4096_operand): Mark mode as
7172 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
7174 (sparc_emit_set_const64): Remove unused variable i.
7175 (sparc_splitdi_legitimate): Likewise for addr_part.
7176 (ultra_code_from_mask): Likewise for mask.
7177 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
7178 reverse return values so it matches usage and comments.
7179 (ultra_flush_pipeline): Likewise.
7180 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
7181 this_type, and allow loads and stores of differing FP modes as
7182 they do not create a conflict.
7183 (ultra_find_type): Initialize fpmode to SFmode, fix
7184 parenthesization thinkos in large conditional.
7185 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
7186 Init free_slot_mask after ultra_cur_hist is reset, not before.
7187 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
7188 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
7189 use ultra_flush_pipeline instead, then re-init group pointer.
7190 Fix statement with no effect. If no progress made in, and no
7191 instructions scheduled at all, advance to new pipeline cycle else
7192 we get into an endless loop.
7193 (ultrasparc_adjust_cost): Remove previous arg.
7194 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
7196 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
7198 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
7199 code. Use reg_overlap_mentioned_p to detect when source and
7200 destination overlap.
7201 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
7203 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
7205 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
7206 COMPARISON_VAL, into invariant_p.
7208 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7210 * regmove.c (regclass_compatible_p): New function.
7211 (regmove_optimize): Use it.
7213 Use NREGS parameter insted of calling max_reg_num.
7215 (fixup_match_1): Don't use code = MINUS when later tieing with
7216 a hard register is likely.
7218 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7220 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
7221 COMPARISON_VAL was normalized.
7223 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
7225 * loop.c (check_dbra_loop): The loop ending comparison value
7226 must be an invariant or we can not reverse the loop.
7228 * loop.c (scan_loop): Count down from max_reg_num - 1 to
7229 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
7231 (load_mems_and_recount_loop_regs_set): Likewise.
7233 * i386.c (print_operand): Remove obsolete 'c' docs.
7235 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
7237 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
7238 * frame.c (init_object_mutex): New function.
7239 (init_object_mutex_once): Likewise.
7240 (find_fde): Call it.
7241 (__register_frame_info): Likewise.
7242 (__register_frame_info_table): Likewise.
7243 (__deregister_frame_info): Likewise.
7245 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
7247 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
7249 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7251 * loop.c (check_dbra_loop): Enable code for reversal
7252 of some loops without a known constant loop end.
7254 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
7256 * haifa-sched.c (last_clock_var): New.
7257 (schedule_block): Initialize it.
7258 (schedule_insn): Use it to fill insn modes with issue information.
7260 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
7261 Tag trapb and next insn with TImode.
7262 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
7263 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
7264 Invoke alphaev5_align_insns as appropriate.
7265 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
7266 (MD_SCHED_VARIABLE_ISSUE): New.
7267 * alpha.md (attr type): Add multi.
7268 (define_asm_attributes): New.
7269 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
7270 (arg_home): Likewise.
7271 (fnop, unop, realign): New.
7273 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
7275 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
7276 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
7278 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
7279 (rs6000-ibm-aix4.[12]*): Likewise.
7280 * configure: Regnerate.
7282 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
7284 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
7285 already contains the return address.
7287 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
7289 * calls.c (expand_call): Use bitfield instructions to extract/deposit
7290 word sized hunks when loading unaligned args into registers.
7292 * haifa-sched.c (sched_analyze_insn): Only create scheduling
7293 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
7295 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
7297 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7299 * loop.c (check_dbra_loop): Add some code that would allow reversal
7300 of some loops without a known constant loop end if it were enabled.
7302 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
7304 * mips.md (lshrsi3_internal2+2): Fix type-o.
7306 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7308 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
7309 correctly with regards to stdio.h.
7311 * calls.c: Remove stdarg.h/varargs.h.
7314 * combine.c: Likewise.
7315 * cpperror.c: Likewise.
7316 * cpplib.c: Likewise.
7317 * cpplib.h: Likewise.
7318 * doprint.c: Likewise.
7319 * emit-rtl.c: Likewise.
7320 * final.c: Likewise.
7321 * fix-header.c: Likewise.
7323 * genattr.c: Likewise.
7324 * genattrtab.c: Likewise.
7325 * gencodes.c: Likewise.
7326 * genconfig.c: Likewise.
7327 * genemit.c: Likewise.
7328 * genextract.c: Likewise.
7329 * genflags.c: Likewise.
7330 * genopinit.c: Likewise.
7331 * genoutput.c: Likewise.
7332 * genpeep.c: Likewise.
7333 * genrecog.c: Likewise.
7334 * mips-tfile.c: Likewise.
7335 * prefix.c: Likewise.
7336 * protoize.c: Likewise.
7337 * regmove.c: Likewise.
7338 * toplev.c: Likewise.
7341 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7343 * config/sparc/sparc.c (sparc_override_options): If not
7344 TARGET_FPU, turn off TARGET_VIS.
7345 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
7346 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
7347 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
7348 (movdi_insn_sp64): Add VIS fzero alternative.
7349 (clear_sf, clear_df): New VIS patterns.
7350 (movsf, movdf expanders): Allow fp_zero_operand flat out when
7352 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
7354 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
7356 * loop.c (n_times_set, n_times_used, may_not_optimize,
7357 reg_single_usage): Convert to varrays. All uses changed.
7358 (insert_loop_mem): Return a value.
7359 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
7360 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
7363 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
7366 * configure.in: Do not set thread_file to "irix" since no such
7369 * sparc.md (float abs/neg splits): Check reload_completed before
7370 calling alter_subreg.
7372 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7374 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
7376 * config/sparc/sparc.h: Declare it.
7377 * config/sparc/sparc.md (float abs/neg splits): Use it.
7378 (all other splits): Handle SUBREGs properly where necessary.
7379 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
7381 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
7383 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
7384 an insn on the unfilled_slots_list that has no delay slots.
7385 (fill_eager_delay_slots): Similarly.
7387 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
7389 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
7390 as an ordinary operand.
7392 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
7394 * tree.c (valid_machine_attribute): Don't apply attributes to both
7397 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
7399 * reload.c (operands_match_p): Handle rtvecs.
7401 * i386.c (legitimate_pic_address_disp_p): New.
7402 (legitimate_address_p): Use it.
7403 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
7404 Handle constant pool symbols just like statics.
7405 (emit_pic_move): Use Pmode not SImode for clarity.
7406 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
7407 [UNSPEC]: New, handling what we killed above.
7408 [PLUS]: Detect and abort on invalid symbol arithmetic.
7409 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
7411 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
7413 * alias.c: Include output.h.
7414 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
7415 different if we're in a varargs function.
7416 * Makefile.in (alias.o): Depend on output.h
7418 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7420 * sh.h (GIV_SORT_CRITERION): Delete.
7422 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
7424 * regclass.c (regclass): Use xmalloc/free instead of alloca.
7425 * stupid.c (stupid_life_analysis): Ditto.
7426 * reload1.c (reload): Ditto.
7428 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7430 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
7431 arith_double_4096_operand, arith_double_add_operand): New
7433 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
7434 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
7435 them to transform add/sub 4096 into add/sub -4096.
7437 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7439 * loop.c (scan_loop): Allocate some slop to handle pseudos
7440 generated by move_movables.
7441 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
7444 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
7446 * tree.def (DECL_RESULT): Correct documentation.
7448 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7450 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
7451 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
7452 conflicts will all RELOAD_FOR_OUTPUT reloads.
7454 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
7455 loads the function result, substitute with a USE.
7457 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7459 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
7460 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
7461 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
7462 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
7463 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
7464 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
7466 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
7467 'o' to 'm' for GPR variant constraints.
7469 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
7471 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
7473 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
7475 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
7476 when the source and destination overlap.
7478 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
7479 clash with global type.
7481 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
7483 * fixinc.irix: Add curses.h handling from fixinc.wrap.
7485 * c-common.c (combine_strings): Also set TREE_READONLY.
7486 Change warn_write_strings to flag_const_strings.
7487 * c-decl.c, c-tree.h: Likewise.
7489 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7491 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
7492 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
7493 sequence, use SET/IOR instead so CSE can see it.
7494 * config/sparc/sparc.md (movhi_const64_special,
7495 movsi_const64_special): New patterns necessitated by that change.
7496 (movhi_high): Remove.
7497 (movhi_lo_sum): Change to match an IOR.
7498 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
7499 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
7500 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
7501 (movdf splits): Allow when not V9 or when not ARCH64 and integer
7502 registers are involved.
7503 (snesi_zero_extend split): Remove reload_completed test.
7504 (unnamed plus and minus zero_extend sidi splits): Add it.
7506 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
7508 * extend.texi: Remove description of extension to explicit
7509 instantiation that is now endorsed by standard C++.
7511 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7513 * config/arc/arc.c (arc_initialize_pic): Remove.
7514 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
7515 nothing on any platform and is invoked by no-one, it does not even
7516 appear in the documentation.
7517 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
7518 * config/sparc/sparc.c (initialize_pic): Likewise.
7519 (find_addr_reg): Remove this as well, no longer referenced after
7522 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
7524 * recog.c (validate_replace_rtx_group): New function.
7525 * recog.h (validate_replace_rtx_group): Declare it.
7526 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
7527 the entire group of substitutions.
7529 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
7531 * loop.c (load_mems): Fix initializers.
7533 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7535 * config/sparc/sparc.md (TFmode splits): Handle destination
7536 registers being referenced in the address correctly.
7538 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
7539 TREE_UNSIGNED, when bitsize of type's mode is larger than
7540 HOST_BITS_PER_WIDE_INT.
7542 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7544 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
7545 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
7546 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
7548 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
7551 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
7553 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
7554 * h8300.h (TINY_DATA_NAME_P): Likewise.
7555 (STRIP_NAME_ENCODING): Handle '&'.
7557 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
7558 register (it could be accessed via an outer SUBREG).
7559 (REG_OK_FOR_BASE_P): Likewwise.
7560 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
7562 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
7565 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
7567 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7569 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
7570 must be offsettable so the splits can be made.
7572 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
7574 * config/i386/winnt.c: Include system.h, not stdio.h to get
7575 sys/param.h pulled in before rtl.h in case the system defines MIN
7578 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
7580 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
7582 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
7584 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
7586 * cpplib.c (cpp_define): Handle macros with parameters.
7588 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7590 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
7591 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
7592 and DImode 64-bit. Use llong for minimal-toc SFmode and
7593 SYMBOL_REF / LABEL_REF 64-bit.
7594 (output_function_profiler): Use llong for profiler label and ld to
7595 load 64-bit label address.
7597 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
7599 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
7602 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
7604 * version.c: Bump for snapshot.
7606 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
7608 * version.c: Bump for snapshot.
7610 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
7612 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
7614 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
7616 * tm.texi (Misc): Fix typo "teh".
7618 * tm.texi (PIC): Fix typo "PPIC".
7620 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
7621 effect when -O2 and higher.
7622 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
7624 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
7626 * regclass.c: Changed register set documentation to be consistent
7629 * final.c (final_start_function) Removed redundant test for
7632 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
7634 * rtl.h (rtx_function): New type.
7635 (for_each_rtx): New function.
7636 * rtlanal.c (for_each_rtx): Define it.
7638 * recog.c (change_t): New type.
7639 (change_objects, change_old_codes, change_locs, change_olds):
7641 (changes): New variable.
7642 (validate_change): Dynamically allocate room for more changes, if
7643 necessary. Uses changes array instead of change_objects, etc.
7644 (apply_change_group): Use changes array instead of
7645 change_objects, etc.
7647 * loop.c (loop_mem_info): New type.
7648 (loop_mems): New variable.
7649 (loop_mems_idx): Likewise.
7650 (looop_mems_allocated): Likewise.
7651 (scan_loop): Remove nregs parameter.
7652 (next_insn_in_loop): New function.
7653 (load_mems_and_recount_loop_regs_set): Likewise.
7654 (load_mems): Likewise.
7655 (insert_loop_mem): Likewise.
7656 (replace_loop_mem): Likewise.
7657 (replace_label): Likewise.
7658 (INSN_IN_RANGE_P): New macro.
7659 (loop_optimize): Don't pass max_reg_num() to scan_loop.
7660 (scan_loop): Remove nregs parameter, compute it after any new
7661 registers are created by load_mems. Use INSN_IN_RANGE_P and
7662 next_insn_in_loop rather than expanding them inline. Call
7663 load_mems to load memory into pseudos, if appropriate.
7664 (prescan_loop): Figure out whether or not there are jumps from the
7665 loop to targets other than the label immediately following the
7666 loop. Call insert_loop_mem to notice all the MEMs used in the
7667 loop, if it could be safe to pull MEMs into REGs for the duration
7669 (strength_reduce): Use next_insn_in_loop. Tweak comments.
7671 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
7673 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
7675 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7677 * config/sparc/sparc.c (finalize_pic): Check for the correct
7678 nonlocal_goto_receiver UNSPEC number.
7679 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
7680 making note of this dependency existing in sparc.c
7681 (negtf2_notv9 split): Give NEG SFmode.
7682 (negsf2): Fix insn output string.
7684 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
7686 * c-common.c (decl_attributes): Issue an error if the argument
7687 to alias is not a string.
7689 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
7691 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
7692 pending memory flush list.
7694 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
7696 (try_combine): Allow combining insns with REG_LIBCALL notes.
7698 * expr.c (emit_block_move): Do not call memcpy as a libcall
7699 instead build up a CALL_EXPR and call it like any other
7701 (clear_storage): Similarly for memset.
7703 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
7706 * Makefile.in (cplus-dem.o): Provide explicit rules for building
7709 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
7710 and REG_LIVE_LENGTH as successful substitutions are made.
7712 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7714 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
7715 statement after end of loop label.
7717 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7719 * config/sparc/sparc.c (ultra_types_avail): New variable.
7720 (ultra_build_types_avail): New function to record mask of insn
7721 types in ready list at this cycle.
7722 (ultrasparc_sched_reorder): Call it.
7723 (ultra_find_type): Use it to quicken the search. Also simplif
7724 dependency check, don't use rtx_equal_p because we know exactly
7725 what we are looking for.
7727 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
7729 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
7730 for architecture v4.
7732 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7734 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
7736 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
7737 movdf_const_intreg and helper splits): New patterns to move float
7738 constants into integer registers.
7739 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
7742 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
7745 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
7747 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
7749 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
7750 a BASE_REGS register is needed as an intermediate when copying
7751 a symbolic value into any register class other than BASE_REGS.
7753 * expr.c (move_by_pieces): No longer static. Remove prototype.
7754 * rtl.h (move_by_pieces): Add extern prototype.
7755 * mips.c (expand_block_move): Handle aligned straight line copy by
7756 calling move_by_pieces.
7758 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
7761 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
7763 * stmt.c (expand_end_loop): Tidy. Allow unconditional
7764 jumps out of the loop to be treated as part of the exit test.
7766 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7767 Jeff Law <law@cygnus.com>
7769 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
7770 * cplus-dem.c: Delete.
7772 * Makefile.in (fold-const.o): depend on $(RTL_H).
7774 * fold-const.c: Include rtl.h to get the prototype for
7775 `set_identifier_local_value'.
7777 * loop.c (express_from_1): Remove unused variable `tmp'.
7778 (combine_givs): cast the first argument of bzero to char *.
7780 * toplev.c (display_help): Remove unused variable `looking_for_start'.
7782 * c-decl.c (init_decl_processing): Remove unneeded &.
7784 * alpha.h (alpha_initialize_trampoline): Provide prototype.
7786 * except.c (set_exception_lang_code, set_exception_version_code):
7787 Change parameter from `short' to `int' to avoid using a gcc
7790 * except.h (set_exception_lang_code, set_exception_version_code):
7791 Likewise for prototypes.
7793 * flow.c (count_reg_references): Remove unused variables `regno'
7796 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
7798 * prefix.c (translate_name): Cast the result of `alloca'.
7800 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
7802 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7804 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
7806 (valid_dbcc_comparison_p): Mark mode argument as unused.
7807 (symbolic_operand): Likewise.
7808 (legitimize_pic_address): Likewise.
7809 (const_uint32_operand): Likewise.
7810 (const_sint32_operand): Likewise.
7811 * sched.c [!INSN_SCHEDULING]: Define only dummy function
7812 schedule_insns and comment out rest of file.
7814 * m68k.c (output_move_simode_const): Use subl to move a zero into an
7816 (output_move_[hq]imode): Likewise.
7818 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
7820 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
7821 * invoke.texi: Corresponding changes.
7823 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
7825 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
7827 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7829 * config/sparc/sparc.c (ultra_code_from_mask,
7830 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
7831 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
7832 ultrasparc_sched_init, ultrasparc_variable_issue,
7833 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
7834 functions to describe UltraSPARC pipeline exactly to Haifa.
7835 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
7836 as there is nothing the scheduler can do about it. Indicate that
7837 REG_DEP_OUTPUT's collide. Fixup formatting.
7838 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
7839 divide costs on Ultra for DImode.
7840 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
7842 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
7843 ieuN and add call_no_delay_slot to type list.
7844 (cti function unit): New unit for branches on UltraSPARC.
7845 (subx/addx insns): Set type to misc.
7846 (sidi zero/sign extension insns on arch64): Set type to shift.
7847 (sign_extendhidi2_insn): Set type to sload.
7849 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
7851 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
7852 (output_epilog): Use if != 0 for offset.
7853 (rs6000_fatal_bad_address): Prepare for Intl.
7854 * rs6000.h (rs6000_fatal_bad_address): Declare.
7855 * rs6000.md (movsfcc, movdfcc): Use else if.
7856 (elf_high): Use {liu|lis}.
7857 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
7858 (movsi): Use rs6000_fatal_bad_address.
7860 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
7862 * reload.c (find_equiv_reg): Reject equivalences separated
7863 by a volatile instruction.
7865 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7867 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
7869 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
7871 * alpha.md (movsicc): Fix mode mismatch.
7873 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
7875 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
7877 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
7879 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7881 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
7882 write-only modifier from operand 1 constraint.
7884 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7886 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
7887 emitting a XOR of -1 at the end, emit a NOT instead for combine's
7889 (sparc_emit_set_const64): Likewise, also when computing trailing
7890 bits do not negate low_bits and make fast_int an int.
7892 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
7894 * loop.c (add_label_notes): Do not ignore references to labels
7895 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
7896 * gcse.c (add_label_notes): Similarly.
7898 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
7900 * m68k.md (adddi_dilshr32): One of the operands must be a register.
7901 (adddi_dishl32): Similarly.
7903 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
7905 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
7906 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
7907 * cse.c (cse_basic_block): Add parens to shut up warnings.
7909 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7911 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
7912 sparc_emit_set_const64_longway, const64_is_2insns,
7913 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
7914 in 64-bit constant formation.
7915 * config/sparc/sparc.md (snesi_zero_extend split): Generate
7916 rtl for addx not subx.
7917 (define_insn movdi_const64_special): Make available even when
7918 HOST_BITS_PER_WIDE_INT is not 64.
7919 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
7920 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
7921 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
7922 instances of operand 1 inside a QI subreg.
7923 (xordi3_sp64_dbl): Remove '%' constraint for op1.
7924 (one_cmpldi2_sp64): Fix output string.
7925 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
7927 (unnamed arch64 ashift DI): Truncate shift count if greater than
7930 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7932 * expr.c (store_expr): Don't optimize away load-store pair
7933 when either source or destination have a side effect.
7935 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
7937 * genrecog.c (add_to_sequence): Fatal error if the modes of the
7938 operands of SET are incompatible.
7940 * alpha.md: Fix max and min patterns so modes of SET operands match.
7942 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
7944 * configure.in: Avoid [[ by using test and changequote.
7945 * configure: Rebuild.
7947 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7949 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
7951 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
7952 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
7953 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
7954 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
7955 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
7956 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
7957 Fix mismatching modes in SET operands.
7958 (conditional move patterns): Fix formatting.
7959 (unnamed subx arch64 pattern): Remove duplicate insn.
7961 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7963 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7964 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
7965 (input_operand): Fixup test for what we accept for constant
7967 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
7969 (safe_constDI): Remove.
7970 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
7971 gen_safe_XOR64): New functions.
7972 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
7973 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
7975 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
7976 available when HOST_BITS_PER_WIDE_INT is not 64.
7977 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
7978 move before movdi_insn_sp64 pattern.
7979 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
7980 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
7981 symbolic_operand as predicate for second operand.
7982 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
7983 expander): Give set VOIDmode.
7985 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
7987 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
7989 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
7991 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
7993 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
7995 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
7997 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
7999 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
8001 * install.texi: Various SCO OpenServer tweaks.
8003 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
8005 * reload1.c (eliminate_regs_in_insn): Handle another case when
8006 eliminating the frame pointer to the hard frame pointer. Add
8007 missing ep->to_rtx check to one existing case.
8009 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
8011 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
8013 * tree.h: De-conditionalize init_priority code.
8015 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
8016 * collect2.c (NM_FLAGS): Change from -p to -n.
8018 * configure.in: Turn on collect2 for mipstx39-elf.
8019 Handle use_collect2=no properly.
8021 * c-common.c: De-conditionalize init_priority code.
8022 * collect2.c (extract_init_priority, sort_ids): New fns.
8023 (main): Call sort_ids.
8024 Move sequence_number to file scope.
8026 * configure.in: Handle --enable-init-priority.
8027 * c-common.c (attrs): Add A_INIT_PRIORITY.
8028 (init_attributes, decl_attributes): Likewise.
8029 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
8030 * tree.c (get_file_function_name_long): Split out...
8031 (get_file_function_name): ...from here.
8033 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
8035 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
8038 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
8040 * toplev.c (display_help): Add braces to shut up warnings.
8041 * tree.c (simple_cst_equal): Likewise.
8043 * fold-const.c (non_lvalue): Don't deal with null pointer
8045 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8047 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
8048 of any size to a pointer.
8050 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
8052 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
8054 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
8056 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
8057 which will be saved.
8058 * mn10300.md (prologue insn): Only save registers which need saving.
8059 (epilogue insn): Similarly.
8061 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
8064 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
8066 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
8067 VAR_DECL's in gp addressable sections.
8069 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
8071 * sparc.c: Change return <exp> to <exp>; return; in functions
8073 * sparc.md: Add empty semicolon statement after final label in
8076 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8078 * config/sparc/sparc.md (define_insn addx_extend): Rename to
8079 addx_extend_sp64, only allow when TARGET_ARCH64.
8080 (define_insn addx_extend_sp32 and split): Version that works when
8082 (define_insn subx_extend): Likewise.
8083 (define_split adddi3 and subdi3 with zero extension): Fixup and
8084 correct bugs when not TARGET_ARCH64.
8086 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
8088 * except.c (set_exception_lang_code, set_exception_version_code):
8089 Use prototype-style definition if __STDC__, to match declaration
8092 * genemit.c: Change FAIL and DONE macros not to use loops.
8094 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
8096 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
8097 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
8099 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
8101 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
8103 * README.g77: Update from Craig.
8105 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8107 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
8109 (safe_constDI sparc_emit_set_const64_quick1,
8110 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
8111 analyze_64bit_constant, const64_is_2insns,
8112 create_simple_focus_bits): Fix some bugs when compiled on real
8114 (function_arg_record_value_3, function_arg_record_value_2,
8115 function_arg_record_value): Add fully prototyped forward decls.
8116 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
8117 to cmpsi_insn and use on both 64 and 32 bit targets.
8118 (define_insn cmpsi_insn_sp64): Remove.
8119 (define_expand zero_extendsidi2): Allow for 32-bit target too.
8120 (define_insn zero_extendsidi2_insn): Rename to
8121 zero_extendsidi2_insn_sp64.
8122 (define_insn zero_extendsidi2_insn_sp32): New pattern and
8123 assosciated forced split for it.
8125 * config/sparc/sparc.c (const64_operand, const64_high_operand):
8127 * config/sparc/sparc.h: Declare them.
8128 (PREDICATE_CODES): Add them.
8129 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
8130 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
8132 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
8134 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
8135 in v9 case as the latter makes the Solaris assembler crash.
8137 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8139 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
8140 for TFmode when !v9. We require offsettable memory addresses.
8141 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
8142 DFmode register number conversions.
8143 * config/sparc/sparc.md (define_split DFmode moves): If register
8144 is a SUBREG do alter_subreg on it before using.
8145 (define_expand movtf): Fixup comment about alignment on v9.
8146 (define_split TFmode moves): Don't use gen_{high,low}part, create
8147 explicit SUBREGs instead.
8149 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
8151 * Makefile.in (mbchar.o): Depend on mbchar.c.
8153 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8154 Richard Henderson <rth@cygnus.com>
8156 Rewrite Sparc backend for better code generation and
8157 improved sparc64 support.
8158 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
8160 * config/sparc/sysv4.h: Likewise.
8161 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
8162 move_operand, v8plus_regcmp_op, emit_move_sequence,
8163 singlemove_string, doublemove_string, mem_aligned_8,
8164 output_move_double, output_move_quad, output_fp_move_double,
8165 move_quad_direction, output_fp_move_quad, output_scc_insn):
8167 (small_int_or_double): New predicate.
8168 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
8169 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
8170 old pic_{sethi,lo_sum}_si patterns.
8171 (mem_min_alignment): New generic function to replace
8172 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
8173 available and can test for arbitrary alignments. All callers
8175 (save_regs, restore_regs, build_big_number,
8176 output_function_prologue, output_cbranch, output_return,
8177 sparc_flat_save_restore, sparc_flat_output_function_prologue,
8178 sparc_flat_output_function_epilogue): Prettify
8180 (output_function_epilogue): Likewise and add code to output
8181 deferred case vectors.
8182 (output_v9branch): Likewise, add new arg INSN and use it to tack
8183 on branch prediction settings. All callers changed.
8184 (print_operand): Likewise and output %l44 for LO_SUMs when
8186 (sparc_splitdi_legitimate): New function to make sure DImode
8187 splits can be run properly when !arch64.
8188 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
8189 Reformat example code in comments.
8190 (set_extends): Remove UNSPEC/v8plus_clear_high case.
8191 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
8192 of deferred case vectors we need to output.
8193 (sparc_defer_case_vector): Record a case vector.
8194 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
8195 sparc_output_deferred_case_vectors): New functions to output them.
8196 (sparc_emit_set_const32): New function to form 32-bit constants in
8197 registers when that requires more than one instruction.
8198 (safe_constDI, sparc_emit_set_const64_quick1,
8199 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
8200 analyze_64bit_constant, const64_is_2insns,
8201 create_simple_focus_bits, sparc_emit_set_const64): New functions
8202 which do the same for 64-bit constants when arch64.
8203 (sparc_emit_set_symbolic_const64): New function to emit address
8204 loading for all code models on v9.
8205 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
8206 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
8207 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
8208 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
8209 inaccuracies in comments, add symbolic and text_segment operands
8210 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
8211 GENERAL_REGS in these cases as a temp REG is needed to load these
8212 addresses into a register properly.
8213 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
8215 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
8216 quads are guarenteed to have 16-byte alignment.
8217 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
8218 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
8219 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
8220 deferred case vector implementation.
8221 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
8222 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
8223 Generate "internal label - label" instead of "label - 1b".
8224 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
8225 (PREDICATE_CODES): Remove sparc_operand, move_operand,
8226 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
8228 (doublemove_string, output_block_move, output_fp_move_double,
8229 output_fp_move_quad, output_move_double, output_move_quad,
8230 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
8231 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
8232 (sparc_emit_set_const32, sparc_emit_set_const64,
8233 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
8234 mem_min_alignment, small_int_or_double): Add externs.
8235 * config/sparc/sparc.md: Document the many uses of UNSPEC and
8236 UNSPEC_VOLATILE in this backend.
8237 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
8238 unary to types which execute in it.
8239 (define_function_unit ieu_shift): Rename to ieu0.
8240 (define_function_unit ieu1): New, executes compare, call, and
8241 uncond_branch type insns.
8242 (define_function_units for type fdivs, fdivd, fsqrt): These
8243 execute in the fpu multiply unit not the adder on UltraSparc.
8244 (define_expand cmpdi): Disallow TARGET_V8PLUS.
8245 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
8246 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
8247 allows the arith_double_operand predicate and rHI constraint when
8249 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
8250 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
8251 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
8252 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
8253 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
8254 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
8255 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
8256 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
8257 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
8258 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
8259 sign_extendqihi2_insn, sign_extendqisi2_insn,
8260 sign_extendqidi2_insn, sign_extendhidi2_insn,
8261 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
8262 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
8263 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
8264 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
8265 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
8266 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
8267 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
8268 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
8269 smulsi3_highpart_v8plus, unnamed subreg mult,
8270 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
8271 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
8272 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
8273 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
8274 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
8275 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
8276 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
8277 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
8278 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
8279 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
8280 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
8281 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
8282 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
8283 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
8284 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
8285 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
8286 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
8287 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
8288 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
8289 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
8290 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
8291 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
8292 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
8293 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
8294 call_address_untyped_struct_value_sp32,
8295 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
8296 call_value_symbolic_sp32, call_value_address_sp64,
8297 call_value_symbolic_sp64, branch_sp32, branch_sp64,
8298 flush_register_windows, goto_handler_and_restore,
8299 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
8300 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
8301 return_addsi, return_di, return_adddi, return_sf, all call+jump
8302 peepholes, trap, unnamed trap insns): Prettify output strings.
8303 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
8304 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
8305 Likewise and force + implement splits for integer cases.
8306 (define_insn return_sf_no_fpu): Likewise and allow to match when
8307 no-fpu because of our subreg SFmode splits.
8308 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
8309 zero_extendqidi2_insn, zero_extendhidi2_insn,
8310 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
8311 input_operand for second operand.
8312 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
8313 reg_or_0_operand for operand 2 so new splits can use it.
8314 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
8315 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
8317 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
8318 CONST_DOUBLEs for operand 2.
8319 (define_insn move_label_di): Likewise and label distance
8320 optimization because it no longer works with new deferred case
8321 vector scheme. To be revisited.
8322 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
8323 and allow reg_or_0_operand and J constraint for second operand.
8324 (define_insn jump): Set branch predict taken on V9.
8325 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
8326 new deferred case vector scheme.
8327 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
8328 (define_insn negdi2_sp32): Force + implement splits.
8329 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
8330 one_cmplsi2_not_liveg0 respectively, and create expander of original
8331 names which emit special rtl for TARGET_LIVE_G0.
8332 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
8333 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
8334 gen_compare_reg, FAIL instead.
8335 (define_insn sgtu, sleu): Likewise and check gen_s*() return
8336 values when trying to reverse condition codes, if they FAIL then
8338 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
8339 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
8340 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
8341 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
8342 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
8343 set output string to # to indicate they are mandatory splits.
8344 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
8345 pic_sethi_di, move_pic_label_si): Remove.
8346 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
8347 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
8349 (define_expand movsi_pic_label_ref, define_insn
8350 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
8351 expander and insns to handle PIC label references and deferred
8353 (define_insn get_pc_via_rdpc): Comment out as it is no longer
8355 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
8356 Rewrite to not use emit_move_sequence, make use of new constant
8357 formation code, and new splits for all multi-insn cases.
8358 (define_insn movqi_insn): Remove sethi case, it can never happen.
8359 Use reg_or_zero_operand instead of const0_rtx explicit test,
8360 use input_operand instead of move_operand for source, and use
8361 general_operand now for dest.
8362 (define_insn movhi_insn): Similar but leave sethi case.
8363 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
8364 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
8365 movhi_lo_sum respectively, prettify output string.
8366 (define_insn movsi_zero_liveg0): New pattern to put zero into a
8367 register when needed on TARGET_LIVE_G0.
8368 (define_insn movsi_insn): Use general_operand and input_operand
8369 for dest and src respectively. Simplify applicability test.
8370 Prettify output strings, and add clr alternative for J
8372 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
8373 deprecated std and reg-reg DI moves): Remove and...
8374 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
8375 implementation which uses forced splits for all non-single insn
8377 (define_split DI move cases on !arch64): New splits to handle all
8378 situations of 64-bit double register DImode on 32bit, and
8379 unaligned registers and memory addresses for all subtargets.
8380 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
8382 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
8383 input_operand for dest and src respectively, prettify output
8385 (define_insn movdf_insn, movdf_no_e_insn, store_df,
8386 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
8388 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
8389 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
8390 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
8391 movtf_no_e_insn_sp64) Replace with new
8392 implementation which uses forced splits for all non-single insn
8394 (define_split DF move cases): New splits in similar vein to DI
8396 (define_insn sethi_di_medlow, sethi_di_medium_pic,
8397 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
8398 movdi_sp64_insn): Remove old v9 code model and constant loading
8400 (define_insn pic_lo_sum_di, pic_sethi_di,
8401 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
8402 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
8403 embmedany_sethi, embmedany_losum, embmedany_brsum,
8404 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
8405 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
8406 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
8407 scheme, using unspecs, secondary reloads, and one to one sparc
8408 insn to rtl insn mapping for better scheduling and code gen.
8409 (define_expand reload_indi, reload_outdi): Reload helpers for
8410 MEDANY and EMBMEDANY symbol address loading cases which require a
8412 (define_expand movsicc): Remove v8plus_regcmp cases.
8413 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
8414 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
8415 cmp_diqi_trunc_set): New patterns used by some of the new scc
8417 (define_insn xordi3_sp64_dbl): New pattern used for constant
8418 formation when crossing from 32-bit targets.
8419 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
8421 (define_insn addx, subx): Make visible and prettify.
8422 (define_insn adddi3_insn_sp32): Likewise and force split.
8423 (define_insn addx_extend, subx_extend, unnamed): New patterns for
8424 64bit scc split usage.
8425 (define_insn unnamed plusDI zero_extend, unnamed minusDI
8426 zero_extend, subdi3): Force and implement splits.
8428 * final.c (final_scan_insn): Don't output labels if target
8429 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
8432 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
8433 don't forget to walk inside SEQUENCESs too as these are what the
8434 delay slot scheduler will create.
8436 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
8438 * alpha.md (extxl+1,+2): New patterns to work around
8441 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
8443 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
8444 caused bad assembly code to be generated.
8446 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
8448 * netbsd.h: Fix typo.
8450 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
8452 * config.sub: Fix typo.
8454 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
8456 * invoke.texi (Environment Variables): Typo: Change "ascpects"
8458 (Running Protoize): Typo: Change "ther" into "other".
8460 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
8462 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
8463 * m68k/netbsd.h: Likewise.
8464 * ns32k/netbsd.h: Likewise.
8465 * sparc/netbsd.h: Likewise.
8467 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
8469 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
8470 * ginclude/va-clipper.h (va_list): Likewise.
8472 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
8474 * rs6000.c (rs6000_override_options): If big endian and -Os, use
8475 load/store multiple instructions unless user overrides.
8477 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
8479 * ns32k/netbsd.h: Fix typo.
8481 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
8483 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
8484 labels with .debugsym if no parallel insns.
8486 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
8488 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
8489 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
8491 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
8493 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
8494 (AR_FOR_TARGET): Define.
8496 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
8498 * dyn-string.h: New file.
8499 * dyn-string.c: Likewise.
8500 * Makefile.in (OBJS): Add dyn-string.o.
8501 (dwarf2out.o): Add dyn-string.h dependency.
8502 (dyn-string.o): List dependencies.
8503 * dwarf2out.c: Include dyn-string.h.
8504 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
8505 (addr_const_to_string): Take a dyn_string_t, not a char* as a
8506 prototype. Use dyn_string_append rather than strcat, throughout.
8507 (addr_to_string): Use dyn_string_t.
8509 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
8511 Function entry/exit profiling instrumentation:
8512 * expr.h (profile_function_entry_libfunc,
8513 profile_function_exit_libfunc): Declare new variables.
8514 * optabs.c: Define them here.
8515 (init_optabs): Initialize them.
8516 * tree.h (struct tree_decl): New flag
8517 no_instrument_function_entry_exit.
8518 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
8519 * c-decl.c (duplicate_decls): Merge it.
8520 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
8521 (init_attributes): Use it for "no_instrument_function".
8522 (decl_attributes): Handle it, for functions that have not yet been
8523 compiled. Set decl flag.
8524 * flags.h (flag_instrument_function_entry_exit): Declare new
8526 * toplev.c (flag_instrument_function_entry_exit): Define it here.
8527 (f_options): New option "instrument-functions".
8528 * function.h (struct function): New field instrument_entry_exit.
8529 * function.c (current_function_instrument_entry_exit): New
8531 (push_function_context_to, pop_function_context_from): Save and
8533 (expand_function_start): Set current_ variable, maybe emit return
8534 label and entry profile call.
8535 (expand_function_end): Maybe emit exit profile call.
8537 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
8539 * i386.md (movqi): When optimizing a load of (const_int 1) into a
8540 NON_QI_REG_P, pretend the register is SImode.
8542 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
8544 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
8545 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
8546 manufacturer id for ns32k.
8547 * configure: Regenerated.
8548 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
8549 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
8550 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
8551 * config/m68k/netbsd.h: Same.
8552 * config/ns32k/netbsd.h: Same.
8553 * config/sparc/netbsd.h: Same.
8555 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
8557 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
8558 or UNROLL_COMPLETELY loop that starts with a jump to its
8561 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
8563 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
8564 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
8565 (print_operand, case 'B'): Don't fall through.
8566 (print_operand, case 'S'): Correct mask begin/end computation.
8567 Use HOST_BITS_PER_WIDE_INT.
8568 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
8569 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
8570 * rs6000/aix41.h (CPP_PREDEFINES): Same.
8571 * rs6000/aix43.h (CPP_PREDEFINES): Same.
8573 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
8575 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
8576 constraint from second alternative.
8578 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8580 * configure.in: Fix --without/--disable cases for local-prefix,
8581 gxx-include-dir and checking.
8583 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8585 * configure.in (enable_haifa): Set by default for sparc64 too.
8588 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8590 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
8591 * i386/winnt.c (associated_type): New fn.
8592 (i386_pe_valid_type_attribute_p): New fn.
8593 (i386_pe_check_vtable_importexport): Remove.
8594 (i386_pe_dllexport_p): Use associated_type.
8595 (i386_pe_dllimport_p): Likewise.
8597 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
8598 * i386.c (i386_valid_type_attribute_p): Also accept
8599 attributes for METHOD_TYPEs.
8601 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
8603 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
8605 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
8607 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
8609 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
8610 them from generating a new base name for each occurence of
8613 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
8615 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
8617 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
8621 * cplus-dem.c (type_kind_t): New type.
8622 (demangle_template_value_parm): Add type_kind_t parameter. Rely
8623 on this paramter, rather than demangling the type again.
8624 (demangle_integral_value): Pass tk_integral.
8625 (demangle_template_: Pass the value returned from do_type.
8626 (do_type): Return a type_kind_t. Pass tk_integral to
8627 demangle_template_value_parm for array bounds.
8628 (demangle_fund_type): Likewise.
8630 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
8632 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
8635 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
8637 * pa.c (move_operand): Accept CONSTANT_P_RTX.
8639 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
8641 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
8643 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
8646 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
8648 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
8649 (DEBUGGER_ARG_OFFSET): Likewise.
8651 * mn10300.md (movsf): Remove last change. Not needed.
8653 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
8655 * c-lex.c (yylex): Fix boundary conditions in character literal and
8656 string literal loops.
8658 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
8660 * longlong.h (count_leading_zeros): Sparclite scan instruction was
8661 being invoked incorrectly.
8663 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
8664 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
8666 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
8667 * configure.in: Added i[34567]86-*-win32
8668 * config.sub: Ditto.
8669 * configure: Rebuilt.
8671 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
8673 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
8674 the frame pointer and compiling PIC code and reload has not completed.
8676 * i386.c (output_to_reg): Add code to emulate non-popping DImode
8679 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
8681 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
8683 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8685 * Makefile.in (install-info): Only try to update the info
8686 directory file if it exists in the first place.
8688 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
8690 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
8692 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
8694 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
8695 CONST_DOUBLE source.
8697 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
8699 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
8700 strings as the insertion of USER_LABEL_PREFIX.
8701 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
8703 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
8706 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
8708 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
8709 already defined type.
8711 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
8713 * expr.c (check_max_integer_computation_mode): Allow conversions
8714 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
8715 (expand_expr): Likewise.
8717 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8719 * expr.c (expand_expr): Expand RETURN_EXPR.
8721 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
8723 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
8725 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
8727 * dwarf2out.c (output_aranges): Call stripattributes
8728 for TEXT_SECTION references.
8729 (output_line_info): Likewise.
8731 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8733 * profile.c (branch_prob): Call allocate_reg_info after outputting
8734 profile rtl in instrument_arcs.
8736 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
8738 * fixinc.irix (math.h): Install wrapper instead of copying.
8740 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8742 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
8743 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
8744 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
8745 lang_flag_0. Added documentation in the flag table.
8747 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
8749 * cccp.c (do_include): Fix vax c style include handling.
8751 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
8753 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
8755 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
8757 * fold-const.c (non_lvalue): Don't deal with null pointer
8759 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8761 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
8763 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
8764 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
8765 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
8766 (u_short_cint_operand): Same.
8767 (reg_or_cint_operand): Same.
8768 (logical_operand): Same.
8769 (input_operand): Same.
8770 (reg_or_short_operand): Use u_short_cint_operand.
8772 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
8774 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
8775 but keep the insns and splits. Adjust so when the ultimate destination
8776 is memory, use cvtql.
8778 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
8780 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
8782 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
8784 * gcc.c (do_spec): Call "error" not "warning".
8786 * configure.in: Fix minor problems with gas feature detection code.
8787 * configure: Rebuilt.
8789 * gcc.c (do_spec): Issue a warning for '%[]' usage.
8792 * gcc.c: Delete %[spec] support.
8793 (do_spec_1, case '('): Likewise.
8794 (do_spec_1, case '['): Call error.
8796 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
8798 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
8799 (CPP_SUBTARGET_SPEC): Default to empty string.
8800 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
8801 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
8802 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
8803 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
8805 * alpha/linux.h (CPP_PREDEFINES): Tidy.
8806 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
8807 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
8808 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
8809 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
8810 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
8811 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
8812 * alpha/vxworks.h: Likewise.
8814 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
8816 * mips.md (reload_outsi): Added missing REGNO call.
8817 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
8819 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
8820 another match_operator and compare the codes.
8822 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
8824 * MIPS multiply pattern fixes:
8825 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8826 Add union classes for HI, LO, or HILO plus general registers.
8827 (GENERATE_MADD): Deleted.
8828 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
8829 Add TARGET_MAD to condition.
8830 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
8831 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
8832 "*d" for accumulator, to give preference to LO initially but not
8835 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
8837 * configure.in (enable_c_mbchar): New configure option.
8838 (extra_cpp_objs): Always available now.
8840 * cexp.y (mbchar.h): #include it.
8841 (yylex): Handle Multibyte characters in character literals.
8843 * cccp.c (mbchar.h): #include it.
8844 (main): Set character set based on LANG environment variable.
8845 (rescan): Handle multibyte characters in comments.
8846 (skip_if_group): See above.
8847 (validate_else): See above.
8848 (skip_to_end_of_comment): See above.
8849 (macarg1): See above.
8850 (discard_comments): See above.
8851 (rescan): Handle multibyte characters in string and character literals.
8852 (collect_expansion): See above.
8853 (skip_quoted_string): See above.
8854 (macroexpand): See above.
8855 (macarg1): See above.
8856 (discard_comments): See above.
8857 (change_newlines): See above.
8859 * c-lex.c (mbchar.h): #include it.
8860 (GET_ENVIRONMENT): New macro.
8861 (init_lex): Set character set based on LANG environment variable.
8862 (yylex): Handle multibyte characters in character literals.
8863 (yylex): Handle multibyte characters in string literals.
8865 * Makefile.in (mbchar.o): New target.
8866 (cccp$(exeext)): @extra_cpp_objs@ is always available.
8867 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
8869 * mbchar.[ch]: New files for multibyte character handling.
8871 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8873 * jump.c (jump_optimize): When simplifying noop moves and
8874 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
8875 the PUSHes to rewrite in second loop as we did in the first.
8877 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8879 * cplus-dem.c (demangle_nested_args): Make function definition
8880 static to match the prototype.
8882 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
8884 * alloca.c: Respect USE_C_ALLOCA.
8885 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
8886 * gengenrtl.c (xmalloc): Likewise.
8888 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
8890 * loop.h (struct induction): Add no_const_addval.
8891 * loop.c (the_movables, reg_address_cost): New variables.
8892 (init_loop): Init reg_address_cost.
8893 (loop_optimize): Call end_alias_analysis.
8894 (scan_loop): Init the_movables.
8895 (record_giv): Init induction->no_const_addval.
8896 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
8897 [REG]: Rearrange loop search test to catch more cases.
8898 (general_induction_var): Return success not benefit; take an extra
8899 argument for that. Change all callers.
8900 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
8901 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
8902 [default]: Search the_movables for additional combinations.
8903 (sge_plus_constant, sge_plus): New functions.
8904 (express_from_1): New function.
8905 (express_from): Always define. Rewrite using express_from_1.
8906 (combine_givs_p): Handle more cases. Ignore address cost.
8907 (cmp_combine_givs_stats): New function.
8908 (combine_givs_used_once, combine_givs_benefit_from): New functions.
8909 (combine_givs): Rewrite to do best-fit combination.
8911 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
8912 (fold): Do a complete (A*C)+(B*C) association check.
8914 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
8916 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
8918 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
8920 * mn10300.c (MODES_TIEABLE_P): Fix typo.
8922 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
8924 * tree.c (valid_machine_attribute): Only create a new type variant if
8925 there is a decl to use it.
8927 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
8929 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
8932 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
8934 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
8937 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
8939 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
8940 Simplify tests for clearing an address register.
8941 (expand_prologue): Corresponding changes.
8943 * mn10300.md (movXX patterns): Make sure the destination is an
8944 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
8945 (logical patterns): Split into expanders + patterns
8946 (zero and sign extension patterns): Similarly.
8947 (shift patterns): Similarly.
8949 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
8951 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
8952 for the sequence, recording base values.
8954 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
8956 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
8958 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
8960 * gcc.c: Remove ANSI-C ism from --help code.
8962 * toplev.c: Support --help with USE_CPPLIB.
8964 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
8966 * configure.in: Rework gas feature code to work with symlink based
8969 * extend.texi: Clarify some issues related to local variables
8970 assigned to explicit registers.
8972 * mn10300.md (mulsi): Turn into expander + pattern.
8974 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
8977 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
8979 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
8981 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
8983 * version.c: Bump again to distinguish mainline tree from the
8986 See ChangeLog.0 for earlier changes.
8989 add-log-time-format: current-time-string