1 Tue Jan 12 14:05:37 1999 David Edelsohn <edelsohn@mhpcc.edu>
3 * rs6000.c (print_operand, cases 'm' and 'M'): Do not depend on
4 HOST_WIDE_INT word-size.
5 (rs6000_stack_info): Remove redundant alignment of fpmem.
7 Tue Jan 12 14:05:37 1999 Richard Henderson <rth@cygnus.com>
9 * rs6000.c (short_cint_operand): Remove CONSTANT_P_RTX handling.
10 (u_short_cint_operand, reg_or_cint_operand, logical_operand): Likewise.
11 (input_operand): Adjust CONSTANT_P_RTX handling.
12 * rs6000.h (PREDICATE_CODES): Remove CONSTANT_P_RTX references.
13 * rs6000.md (movsi): Adjust CONSTANT_P_RTX handling.
14 (movhi, movqi): Remove CONSANT_P_RTX handling.
15 (movdi): Adjust CONSTANT_P_RTX handling.
17 Tue Jan 12 10:23:24 1999 Stan Cox <scox@cygnus.com>
19 * mips.md (call_value_internal3c): New pattern for -mips16 -mlong-calls.
21 1999-01-12 Manfred Hollstein <manfred@s-direktnet.de>
23 * m68k/mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
24 ensure all prototypes necessary for building libio will be available.
25 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Remove
26 definitions here as they are not host specific.
27 * m88k/sysv3.h, m88k/xm-sysv3.h: Likewise.
29 Tue Jan 12 02:53:46 1999 Richard Henderson <rth@cygnus.com>
31 * cse.c (cse_insn): Never prefer (const (constant_p_rtx)).
33 Tue Jan 12 02:36:10 PST 1999 Jeff Law (law@cygnus.com)
35 * version.c: Bump for snapshot.
37 Tue Jan 12 01:30:19 1999 Richard Henderson <rth@cygnus.com>
39 * rtl.c (rtx_alloc): Use memset instead of inline loop.
41 * recog.h (recog_op_alt): Declare extern.
43 Tue Jan 12 00:23:31 1999 Richard Henderson <rth@cygnus.com>
45 * function.c (purge_addressof_1): If the note accesses a mem+addressof
46 in a wider mode than any replacement, adjust the cached replacement.
47 Cache trivial substitutions as well.
49 Tue Jan 12 00:06:00 1999 Richard Henderson <rth@cygnus.com>
51 * Makefile.in (OBJECTS): Add sbitmap.o.
52 (BASIC_BLOCK_H): Add sbitmap.h.
53 * basic-block.h: Move simple bitmap code to sbitmap.h.
54 * flow.c: Move simple bitmap code to sbitmap.c
55 * sbitmap.h, sbitmap.c: New files.
57 Mon Jan 11 23:51:50 1999 Richard Henderson <rth@cygnus.com>
59 * alpha.h (TARGET_SWITCHES): Document switches.
60 (TARGET_OPTIONS): Likewise.
62 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Use HOST_WIDE_INT_PRINT_DEC.
64 Mon Jan 11 22:54:14 1999 Richard Henderson <rth@cygnus.com>
66 * tree.c (new_alias_set): Return zero if !flag_strict_aliasing.
68 Mon Jan 11 22:36:01 1999 Richard Henderson <rth@cygnus.com>
70 * basic-block.h (basic_block_head): Rename to x_basic_block_head.
71 (basic_block_end): Rename to x_basic_block_end.
72 (BLOCK_HEAD, BLOCK_END): Update.
74 * caller-save.c: Change basic_block_head/end references to
76 * combine.c, flow.c, function.c, gcse.c, global.c: Likewise.
77 * graph.c, haifa-sched.c, local-alloc.c, regclass.c: Likewise.
78 * regmove.c, reload1.c, reorg.c, sched.c: Likewise.
80 Sat Jan 9 23:54:09 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
82 * gcc.c (xstrerror): Renamed from my_strerror. All callers
83 changed. Remove prototype since we get that from libiberty.h.
85 * protoize.c (xstrerror): Likewise.
87 Sat Jan 9 23:22:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
89 * gcc.c (read_specs): Ensure format specifiers match their arguments.
91 Sat Jan 9 20:04:24 1999 Richard Henderson <rth@cygnus.com>
93 * tree.c (copy_node): Oops. That would be copy not zero
96 Sun Jan 10 15:35:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
98 * config/c4x/c4x.c: Include system.h.
99 (c4x_caller_save_map): Disable caller save for RC.
100 (c4x_optimization_options): Disable scheduling before reload.
101 (valid_parallel_load_store) : Define return type as int.
102 Remove unused variable regs.
103 * config/c4x/c4x.h (REGISTER_MOVE_COST): Make independent of register
105 * config/c4x/c4x.md (rotlqi3, rotrqi3): Fix up emitted RTL to
107 (*db, decrement_and_branch_until_zero): Fix up constraints
108 to keep reload happy.
110 Sat Jan 9 18:35:29 1999 Richard Henderson <rth@cygnus.com>
112 * tree.c (make_node): Call bzero instead of inline clear.
113 (copy_node, make_tree_vec, build1): Likewise.
114 (get_identifier): Call strlen instead of inline count.
115 (maybe_get_identifier): Likewise.
117 Sun Jan 10 14:04:51 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
119 * config/c4x/c4x.md: (in_annul_slot_3): Allow unarycc and binarycc
120 operations in 3rd annulled delay slot.
121 (*lshrqi3_const_set): Disallow c constraint for operand0.
122 (modhi3+1, modhi3+2): Set attribute type to multi.
123 * config/c4x/c4x.c (c4x_S_constraint): Removed space in middle of
126 Sat Jan 9 11:44:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
128 * gansidecl.h: Allow attribute unused on labels only when we are
129 version 2.93 or higher. Not all versions of 2.92 have this feature.
131 * version.c: Bump minor number to 93.
133 Fri Jan 8 10:51:13 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
135 * config/m68k/m68k.h: Declare output_function_epilogue.
136 * recog.h: Declare next_insn_tests_no_inequality.
138 Fri Jan 8 01:43:53 1999 Jeffrey A Law (law@cygnus.com)
140 * stmt.c (optimize_tail_recursion): New function, extracted from ...
141 (expand_return): Use optimize_tail_recursion.
142 * tree.h (optimize_tail_recursion): Declare.
144 * toplev.c (compile_file): Move call to output_func_start_profiler
145 to after the loop to emit deferred functions.
147 Thu Jan 7 19:52:53 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
149 * system.h (abort): Supply more detailed information on how to
150 report an Internal Compiler Error.
152 Thu Jan 7 11:26:17 1999 Mark Mitchell <mark@markmitchell.com>
154 * calls.c (store_unaligned_arguments_into_pseudos): Use xmalloc to
155 allocate memory that will live beyond this function.
156 (expand_call): Free it here.
158 Thu Jan 7 03:08:17 1999 Richard Henderson <rth@cygnus.com>
160 * sparc.h (PREFERRED_RELOAD_CLASS): Select GENERAL_REGS for
161 integer data not destined for fp regs.
162 (LEGITIMIZE_RELOAD_ADDRESS): New.
164 Thu Jan 7 03:03:42 1999 Stan Cox <scox@cygnus.com>
165 Richard Henderson <rth@cygnus.com>
167 Support for Hypersparc and Sparclite86x:
168 * sparc.h (TARGET_CPU_hypersparc, TARGET_CPU_sparclite86x): New.
169 (CPP_CPU32_DEFAULT_SPEC): Fix up for the new targets.
170 (ASM_CPU32_DEFAULT_SPEC): Likewise.
171 (TARGET_CPU_DEFAULT): Likewise.
172 (enum processor_type): Likewise.
173 (CPP_ENDIAN_SPEC): Handle little endian data.
174 (LIBGCC2_WORDS_BIG_ENDIAN): Likewise.
175 (ADJUST_COST): Call sparc_adjust_cost.
176 * sparc.c (sparc_override_options): Fix up for the new targets.
177 (supersparc_adjust_cost): Make static.
178 (hypersparc_adjust_cost): New.
179 (ultrasparc_adjust_cost): Make static.
180 (sparc_adjust_cost): New.
181 * sparc.md (attr cpu): Add hypersparc and sparclite86x.
182 (function_unit): Add hypersparc scheduling rules.
184 * configure.in (with_cpu handler): Recognize hypersparc.
186 Thu Jan 7 23:54:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
188 * config/c4x/c4x.c: Added space after negation operator.
189 * config/c4x/c4x.h: Likewise.
190 * config/c4x/c4x.md: Likewise.
192 Thu Jan 7 23:39:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
194 * config/c4x/c4x.c (c4x_preferred_reload_class): Always return class.
196 Thu Jan 7 00:29:25 199 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
198 * combine.c (num_sign_bit_copies): In NEG, MULT, DIV and MOD cases,
199 when a test can't be performed due to limited width of
200 HOST_BITS_PER_WIDE_INT, use the more conservative approximation.
201 Fix UDIV case for cases where the first operand has the highest bit
204 Thu Jan 7 00:01:38 1999 Lutz Vieweg <lkv@mania.robin.de>
206 * pa.h (reg_class): Add FPUPPER_REGS.
207 (REG_CLASS_NAMES): Similarly.
208 (REG_CLASS_CONTENTS): Similarly
209 (REGNO_REG_CLASS): Handle FPUPPER_REGS.
210 (FP_REG_CLASS_P): Likewise.
211 (REG_CLASS_FROM_LETTER): Similarly.
212 (CLASS_MAX_NREGS): Similarly.
214 1999-01-06 Brendan Kehoe <brendan@cygnus.com>
216 * fixincludes: For HP/UX 10.20, also look in curses_colr/curses.h
217 for a typedef of bool. Make sure to have a copy of the file is
218 in place before we look to fix it. Fix typo in variable name to
221 Wed Jan 6 07:51:05 1999 Richard Henderson <rth@cygnus.com>
223 * expr.c (expand_builtin) [case BUILT_IN_CONSTANT_P]: Use
224 value_mode for the return mode.
226 Wed Jan 6 17:55:19 1999 Robert Lipe <robertlipe@usa.net>
228 * configure.in: New flag --with-dwarf2. If set, enables DWARF-2
229 debugging as default.
231 * config/tm-dwarf2.h: New file.
233 Wed Jan 6 16:08:54 1999 Jeffrey A Law (law@cygnus.com)
235 * h8300.h (ASM_OUTPUT_LABELREF): Define.
237 * pa.h (DONT_RECORD_EQUIVALENCE): Kill.
238 * local-alloc.c (update_equiv_regs): Corresponding changes.
239 * tm.texi (DONT_RECORD_EQUIVALENCE): Kill.
241 * calls.c (special_function_p): Push alloca test inside the large
242 conditional which excludes functions not at file scope or not
245 * calls.c (special_function_p): New function broken out of
247 (precompute_register_parameters): Likewise.
248 (store_one_arg): Likewise.
249 (store_unaligned_argumetns_into_pseudos): Likewise.
250 (save_fixed_argument_area): Likewise.
251 (restore_fixed_argument_area): Likewise.
252 (expand_call): Corresponding changes.
254 Wed Jan 6 10:43:29 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
256 * config/m68k/m68k.c (const_uint32_operand): Remove CONSTANT_P_RTX
258 (const_sint32_operand): Likewise.
260 Wed Jan 6 09:44:51 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
262 * toplev.h: In addition to checking _JBLEN, also check if `setjmp'
263 is a macro when deciding if we can use `jmp_buf' in prototypes.
265 Thu Jan 7 00:12:24 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
267 * config/c4x/c4x.md (addqi3): If the destination operand is
268 a hard register other than an extended precision register,
269 emit addqi3_noclobber.
270 (*addqi3_noclobber_reload): New pattern added so that reload
271 will recognise a store of a pseudo, equivalent to the sum
272 of the frame pointer and a constant, as an add insn.
274 Wed Jan 6 03:18:53 1999 Mark Elbrecht <snowball3@usa.net.
276 * configure.in (pc-msdosdjgpp): Set x_make to x-go32.
277 * configure: Rebuilt.
278 * i386/xm-go32.h: Define LIBSTDCXX.
280 * i386/go32.h (MD_EXEC_PREFIX): Define.
281 (FILE_NAME_ABSOLUTE_P): Define.
282 (LINK_COMMAND_SPEC): Define.
284 Wed Jan 6 02:23:36 1999 "Charles M. Hannum" <root@ihack.net>
286 * expr.c (store_expr): If the lhs is a memory location pointed
287 to be a postincremented (or postdecremented) pointer, always
288 force the rhs to be evaluated into a pseudo.
290 Wed Jan 6 00:54:21 1999 Geoff Keating <geoffk@ozemail.com.au>
292 * real.c (mtherr): Print more reasonable warning messages.
294 Tue Jan 5 21:57:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
296 * Makefile.in (gcc.o, prefix.o, cccp.o, cpplib.o): Depend on prefix.h.
298 * cccp.c: Include prefix.h, don't prototype prefix.c functions.
299 (new_include_prefix): Constify char* parameters.
301 * cppfiles.c (read_name_map): Likewise.
302 (append_include_chain): Likewise. Also, use a writable char* copy
303 of parameter `dir' which we then modify, rather than using the
304 parameter itself to store the new writable string.
305 (remap_filename): Constify some variables. Also, use a writable
306 char* to store an allocated string which we will be modifying.
308 * cpplib.c: Include prefix.h, don't prototype prefix.c functions.
309 (cpp_start_read): Constify variable `str'.
311 * cpplib.h (append_include_chain): Constify a char* parameter.
313 * gcc.c Include prefix.h, don't prototype prefix.c functions.
314 (add_prefix, save_string): Constify char* parameters.
315 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
317 * prefix.c: Include prefix.h.
318 (get_key_value, translate_name, save_string, update_path,
319 set_std_prefix): Constify various char* parameters and variables.
320 (save_string): Use xmalloc, not malloc.
321 (translate_name): Use a writable temporary variable to create and
322 modify a string before setting it to a const char*.
324 * prefix.h: New file to prototype functions exported from prefix.c.
326 Mon Jan 4 15:37:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
328 * cpplib.c (skip_if_group): Split out the logic that handles
329 directive recognition to its own function. Don't use
330 parse markers; use a bare pointer into the buffer. Use
331 copy/skip_rest_of_line instead of doing it by hand. Remove
332 `return on any directive' mode which was never used, and take
334 (consider_directive_while_skipping): New function, subroutine
335 of skip_if_group. Logic streamlined a bit.
336 (conditional_skip, do_elif, do_else): Call skip_if_group with
339 Mon Jan 4 15:27:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
341 * cpplib.c (do_undef): EOF immediately after '#undef FOO' is not an
344 Mon Jan 4 11:55:51 1999 Jason Merrill <jason@yorick.cygnus.com>
346 * extend.texi (Bound member functions): Document.
348 Mon Jan 4 11:01:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
350 * mips-tdump.c (st_to_string, sc_to_string, glevel_to_string,
351 lang_to_string, type_to_string): Make return type const char*.
352 (print_symbol): Apply `const' keyword to a char*.
353 (print_file_desc): Cast structure member `crfd' to ulong when
354 comparing against one.
356 * mips-tfile.c (pfatal_with_name): Apply `const' keyword to char*.
357 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
358 (progname, input_name): Apply `const' keyword to a char*.
359 Don't redundantly include sys/stat.h.
360 (alloc_info): Apply `const' keyword to a char*.
361 (st_to_string, sc_to_string): Likewise.
362 (hash_string): Cast variable `hash_string' to a symint_t when
363 comparing against one.
364 (add_string): Cast PAGE_USIZE to Ptrdiff_t when comparing against one.
365 Likewise cast it to long when comparing against one.
366 (add_local_symbol): Apply `const' keyword to a char*.
367 (add_ext_symbol): Likewise.
368 (add_unknown_tag): Likewise.
369 (add_procedure): Cast a printf-style field width to an int.
370 (add_file): Cast PAGE_USIZE to long when comparing against one
371 (parse_begin): Cast a printf-style field width to an int.
372 (parse_bend): Likewise.
373 (parse_def): Likewise.
374 (parse_end): Likewise.
375 (mark_stabs): Mark parameter `start' with ATTRIBUTE_UNUSED.
376 (parse_stabs_common): Fix format specifier.
377 (parse_input): Change type of variable `i' to Size_t.
378 (write_object): Fix arguments to match format specifiers.
379 Cast variable `num_write' to long when comparing against one.
380 (read_seek): Cast variable `sys_read' to symint_t when comparing
381 against one. Fix arguments to match format specifiers. Cast
382 variable `size' to long when comparing against one.
383 (copy_object): Cast result of `sizeof' to int when comparing
384 against one. Fix arguments to match format specifiers. Cast
385 variable `ifd' to long when comparing against a signed value.
388 Mon Jan 4 10:30:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
390 * c-common.c (decl_attributes): Allow applying attribute `unused'
393 * c-parse.in (label): Parse attributes after a label, and call
394 `decl_attributes' to handle them.
396 * gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
398 * genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
399 generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
401 * invoke.texi: Note that labels can be marked `unused'.
403 Sun Jan 3 23:32:18 PST 1999 Jeff Law (law@cygnus.com)
405 * version.c: Bump for snapshot.
407 Sun Jan 3 23:00:42 1999 Jeffrey A Law (law@cygnus.com)
409 * optabs.c (emit_cmp_and_jump_insns): Use CONSTANT_P canonicalizing
410 RTL for a compare/jump sequence.
412 Sun Jan 3 22:58:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
414 * optabs.c (emit_cmp_insn): Abort if asked to emit non-canonical RTL
415 for a target with HAVE_cc0 defined.
416 (emit_cmp_and_jump_insns): New function.
417 * expr.h (emit_cmp_and_jump_insns): Prototype it.
418 * loop.c (check_dbra_loop): Use it to replace calls
419 to emit_cmp_insn and emit_jump_insn and to canonicalise
420 the comparison if necessary.
421 * unroll.c (unroll_loop): Likewise.
423 Sun Jan 3 21:01:04 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
425 * fixincludes (sys/utsname.h): Provide forward declaration of
426 struct utsname on Ultrix V4.[35].
428 * mips.md (div_trap): Use local labels instead of dot-relative
431 Sun Jan 3 20:40:34 1999 Jeffrey A Law (law@cygnus.com)
433 * pa.md (branch, negated branch): Handle (const_int 0) as first
435 * pa.c (output_cbranch): Likewise.
437 Sun Jan 3 03:20:38 1999 David Edelsohn <edelsohn@mhpcc.edu>
439 * rs6000.c (rs6000_stack_info): Undo spurious part of last
442 1999-01-01 Manfred Hollstein <manfred@s-direktnet.de>
444 * extend.texi (__builtin_constant_p): Add missing @smallexample.
446 Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com)
448 * i386.md (doubleword shifts): Fix dumb mistakes in previous change.
450 Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com)
452 * m68k.md (adddi_dilshr32): Allow all operands to be registers too.
453 (adddi_dishl32): Similarly.
455 * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers
456 for each insn in the skipped block.
458 * reload1.c (reload_as_needed): Verify that the insn satisfies its
459 constraints after replacing a register address with an autoincrement
460 address for reload inheritance purposes.
462 * i386.md (doubleword shifts): Avoid namespace pollution.
464 Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com>
466 * configure.in (FreeBSD ELF): Needs special crt files.
468 Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com>
470 * i386/xm-cygwin.h: change DIR_SEPARATOR to forward slash.
472 1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
474 * loop.c (check_dbra_loop): While reversing the loop, if the
475 comparison value has a VOID mode use the mode of the other operand
478 Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com>
480 * rs6000.md ({save,restore}_stack_function): Take 2 operands to
481 avoid warnings in compiling explow.c.
483 (patch from Ken Raeburn, raeburn@cygnus.com)
484 * rs6000.c (rs6000_stack_info): Force 8-byte alignment of
485 fpmem_offset. Compute total size after that, and then
486 rs6000_fpmem_offset using both values.
488 Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
490 * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
491 the future; indeed that already happens in some cases.
493 Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com>
495 * sparc.c (input_operand): Recognize (const (constant_p_rtx)).
496 (arith_operand): Remove constant_p_rtx handling.
497 (const64_operand, const64_high_operand): Likewise.
498 (arith11_operand, arith10_operand, arith_double_operand): Likewise.
499 (arith11_double_operand, arith10_double_operand, small_int): Likewise.
500 (small_int_or_double, uns_small_int, zero_operand): Likewise.
501 * sparc.h (PREDICATE_CODES): Likewise.
503 * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX.
505 Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>:
507 * rtl.def (CONSTANT_P_RTX): Clarify commentary.
508 * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
509 consider constant CONSTRUCTOR constant and to defer some cases
511 * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
512 * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
514 Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com>
516 * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
517 * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
519 * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling.
520 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
521 (sext_add_operand, and_operand, or_operand): Likewise.
522 (reg_or_cint_operand, some_operand, input_operand): Likewise.
523 * alpha.h (PREDICATE_CODES): Likewise.
525 Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com)
527 * version.c: Bump for snapshot.
529 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
531 * gengenrtl.c (gencode): Always use bzero to clear memory instead
532 of dangerous casts and stores.
534 * Makefile.in (compare, gnucompare): Add missing else true clauses.
536 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
538 * alpha.md (builtin_longjmp): Add missing "DONE".
540 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
542 * gcc.c (execute): Enable -pipe with win32.
544 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
546 * config/arm/t-arm-elf: Add multiplib option for leading
549 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
550 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
552 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
553 than variable 'reload_address_base_reg_class'. [Note this
554 change is unrelated to the others in this patch].
556 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
559 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
561 * alias.c (record_alias_subset): Remove ignored `&'.
562 (init_alias_once): Likewise.
564 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
566 * config/mips/mips.c (mips_asm_file_end): Cast the result of
567 fwrite to `int' when comparing against one.
569 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
570 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
572 * cse.c (rehash_using_reg): Change type of variable `i' to
575 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
578 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
580 * final.c (final_scan_insn): Likewise for variable `i'.
581 (output_asm_insn): Cast a char to unsigned char when used as an
584 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
587 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
589 * recog.c (preprocess_constraints): Cast a char to unsigned char
590 when used as an array index.
592 * regmove.c (find_matches): Likewise.
594 * reload1.c (calculate_needs): Add default case in switch.
595 (eliminate_regs_in_insn): Initialize variable `offset'.
596 (set_offsets_for_label): Change type of variable `i' to unsigned.
597 (reload_as_needed): Wrap variable `i' in macro check on
598 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
600 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
601 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
602 when comparing against one.
604 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
605 unsigned when comparing against one. Likewise for
606 GET_MODE_ALIGNMENT().
607 (layout_record): Cast record_align to int when comparing against a
609 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
612 * tree.c (get_identifier): Cast variable `len' to unsigned when
613 comparing against one.
614 (maybe_get_identifier): Likewise
616 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
618 * toplev.c (rest_of_compilation): Do not set reload_completed.
619 * reload1.c (reload): Set reload_completed before calling
620 cleanup_subreg_operands.
622 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
624 * reload1.c (emit_reload_insns): Check `set' not null before use.
626 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
628 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
631 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
633 * halfpic.c (half_pic_encode): Delete redundant code.
635 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
637 * toplev.c (main): Delete handling of -dM as a preprocessor
640 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
642 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
643 -dI, which are handled by the preprocessor.
645 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
647 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
648 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
650 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
652 * version.c: Bump for snapshot.
654 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
656 * version.c: Bump for snapshot.
658 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
660 * version.c: Bump for snapshot.
662 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
664 * genattr.c (fatal): Qualify a char* with the `const' keyword.
666 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
667 write_unit_name, write_eligible_delay, expand_units,
668 make_length_attrs, write_attr_case, find_attr,
669 make_internal_attr): Likewise.
670 * gencheck.c (tree_codes): Likewise.
671 * gencodes.c (fatal): Likewise.
672 * genconfig.c (fatal): Likewise.
673 * genemit.c (fatal): Likewise.
674 * genextract.c (fatal, walk_rtx, copystr): Likewise.
675 * genflags.c (fatal): Likewise.
676 * genopinit.c (fatal, optabs, gen_insn): Likewise.
677 * genoutput.c (fatal, error, predicates): Likewise.
678 * genpeep.c (fatal): Likewise.
679 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
680 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
682 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
684 * configure.in (with-fast-fixincludes): Fix whitespace.
685 * configure: Rebuilt.
687 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
688 asm() etc. function declarations in __DECC.
690 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
692 * expr.c (emit_move_insn_1): Only emit a clobber if the target
693 is a pseudo register.
695 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
697 * gcse.c: Include expr.h in order to get the prototype for
698 get_condition() which is used in delete_null_pointer_checks().
700 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
702 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
704 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
706 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
707 (ALL_CFLAGS): Delete SCHED_CFLAGS.
709 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
711 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
714 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
716 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
717 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
718 optimizations from the combiner.
720 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
722 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
724 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
726 * toplev.c (main): Disable optimize_size if a specific
727 optimization level is requested. Always set optimization
728 level to 2 if -Os is specified.
730 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
732 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
734 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
735 initialize it using fname.
737 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
739 * cpplib.c (do_include): Treat #include_next in the
740 primary source file as #include plus warning. Treat
741 #include_next in a file included by absolute path as an
742 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
744 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
746 * cccp.c: Don't define MIN/MAX anymore.
747 * cpplib.c: Likewise.
748 * machmode.h: Likewise.
749 * system.h: Provide definitions for MIN/MAX.
751 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
753 * fix-header.c: Don't define xstrdup here.
755 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
757 * loop.c (consec_sets_giv): New argument last_consec_insn.
758 (strength_reduce): Provide / use it.
760 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
762 * loop.h (loop_info): New field 'vtop'.
763 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
764 scanning loop for vtop.
765 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
766 (loop_iterations): Use them to determine if loop has a constant
767 number of iterations. Set loop_info->vtop. Don't subtract
768 common reg term from initial_value and final_value if have a
771 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
773 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
775 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
777 * mn10200.md (abssf2, negsf2): New expanders.
779 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
781 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
783 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
784 replaced by a CONCAT whoes components do not have the same
785 mode as the original SUBREG, use a new SUBREG to restore the
788 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
789 multiword complex values.
791 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
793 * cppalloc.c: Add xstrdup here.
794 * cpplib.h: Remove savestring prototype.
795 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
797 * cppfiles.c: s/savestring/xstrdup/ throughout.
799 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
801 * cpplib.c: Make all directive handlers read their own
803 (struct directive): Remove last two arguments from FUNC
804 member prototype. Remove `command_reads_line' member
806 (directive_table): Remove initializations of
807 command_reads_line flag. Pretty-print.
808 (eval_if_expression, do_define, do_line, do_include,
809 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
810 do_else, do_elif, do_sccs, do_assert, do_unassert,
811 do_warning): Take only two args.
813 (cpp_define): Call do_define with two args and the text to
814 define stuffed into a buffer.
815 (make_assertion): Call do_assert with two args.
816 (handle_directive): Call do_line with two args. Call
817 kt->func with two args. Remove command_reads_line
819 (do_define, do_undef, do_error, do_warning, do_pragma,
820 do_sccs): Read the rest of the line here.
821 (do_ident): Gobble rest of line, as cccp does.
822 (cpp_undef): New function.
823 (cpp_start_read): Call cpp_undef instead of do_undef.
825 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
827 * cpphash.h (union hash_value): Remove `keydef' member, add a
828 `struct hashnode *aschain' member for #assert.
830 * cpplib.c (struct tokenlist_list, struct
831 assertion_hashnode): Delete structure definitions.
832 (assertion_install, assertion_lookup, delete_assertion,
833 check_assertion, compare_token_lists, reverse_token_list,
834 read_token_list, free_token_list): Delete functions.
835 (parse_assertion): New function.
836 (cpp_cleanup): Don't destroy the assertion_hashtable.
838 (do_assert): Gut and rewrite. #assert foo (bar) places
839 entries for `#foo' and `#foo(bar)' in the macro hash table,
840 type T_ASSERT. The value union's `aschain' member is used
841 to chain all answers for a given predicate together.
842 (do_unassert): Also rewritten. Take an un-asserted
843 answer off the chain from its predicate and call
844 delete_macro on the hashnode, or walk a predicate chain
845 calling delete_macro on all the entries.
846 (cpp_read_check_assertion): Simply call parse_assertion to
847 get the canonical assertion name, and look that up in the
850 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
853 * cpphash.c (install): Use bcopy instead of an explicit loop
854 to copy the macro name.
856 * cppexp.c (cpp_lex): Convert the result of
857 cpp_read_check_assertion to a `struct operation' directly;
858 don't go through parse_number.
860 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
862 * loop.h (struct induction): Delete times_used member.
863 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
864 (n_times_used): Rename to n_times_set. Changed all users.
865 (scan_loop): Free reg_single_usage before strength reduction.
866 (record_giv, combine_givs): Remove handling of times_used member.
867 (combine_givs_used_once): Rename to:
868 (combine_givs_used_by_other) . Changed all callers.
870 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
872 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
873 instead of TREE_CODE_CLASS == 't'.
874 (gen_type_die): Likewise.
875 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
877 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
879 * real.c (endian): Disable last change unless
880 HOST_BITS_PER_WIDE_INT is greater than 32.
882 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
884 * output.h (force_data_section): New prototype.
885 * varasm.c (force_data_section): New function to force the
886 data section, regardless of what in_section thinks.
887 * dwarf2out.c (output_call_frame_info): Call force_data_section
888 since varasm may not realize we've changes sections.
890 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
892 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
893 after completeing reload.
895 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
896 deleted after reload.
898 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
900 * rtl.h (multiple_sets): Fix prototype.
901 * rtlanal.c (multiple_sets): Fix return type.
903 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
905 * version.c: Bump for snapshot.
907 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
909 * version.c: Bump for snapshot.
911 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
913 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
915 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
917 * rtl.h (recompute_reg_usage): Add second argument.
918 * flow.c (recompute_reg_usage): Likewise.
919 * toplev.c (rest_of_compilation): Supply second argument to
922 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
925 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
927 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
928 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
929 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
932 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
934 * rtlanal.c (multiple_sets): New function.
935 * rtl.h (multiple_sets): Declare it.
936 * local-alloc.c (wipe_dead_reg): Use it.
937 * global.c (global_conflicts): Likewise.
939 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
941 * global.c (record_conflicts): Don't use an array of shorts to
942 store an array of ints.
943 (global_conflicts): Likewise.
945 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
947 * alpha.c (alpha_expand_block_move): mode_for_size expects
948 bits, not bytes. Infer extra alignment from addressof.
950 1998-12-11 Michael Meissner <meissner@cygnus.com>
952 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
953 .sbss section, not .sdata.
955 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
957 * cccp.c: Do not #include <sys/stat.h> here; this is already done
959 * collect2.c: Likewise.
960 * cpplib.h: Likewise.
963 * getpwd.c: Likewise.
964 * protoize.c: Likewise.
965 * toplev.c: Likewise.
967 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
968 and don't try to define it here.
969 * Makefile.in (cppmain.o): Depend on machmode.h.
970 (cpplib.o): Likewise.
971 (cpperror.o): Likewise.
972 (cppexp.o): Likewise.
973 (cppfiles.o): Likewise.
974 (cpphash.o): Likewise.
975 (cppalloc.o): Likewise.
976 (fix-header.o): Likewise.
977 (scan-decls.o): Likewise.
979 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
981 * sh.c (print_operand): lookup interrupt_handler attribute instead
982 of relying on static variable.
983 * (calc_live_regs): Likewise.
984 * (sh_pragma_insert_attributes): Create interrupt_handler
985 attribute if a pragma was specified
986 * (sh_valid_machine_decl_attribute): Don't set static flag.
987 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
989 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
991 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
992 to determine if a register is live at a jump destination.
993 Everything is dead at a BARRIER.
995 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
997 * cse.c (simplify_unary_operation): Sign-extend constants when
998 they have the most significant bit set for the target.
999 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
1001 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
1002 HOST_WIDE_INT temporary before negating it.
1003 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
1005 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
1007 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
1010 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1012 * collect2.h: New header file for prototypes.
1014 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
1016 * collect2.c: Include collect2.h.
1017 * tlink.c: Likewise.
1019 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
1021 * flow.c: Update some comments.
1023 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
1025 * objc/objc-act.c (cpp_initialized): Removed.
1026 (lang_init_options): Initialize cpplib.
1027 (lang_decode_option): Move initialization of cpplib to
1029 * c-lang.c: (parse_options,parse_in): Added.
1030 (lang_init_options): Initialized cpplib here.
1031 * c-decl.c (parse_options,cpp_initialized): Removed.
1032 (c_decode_option): Move initialization of cpplib to
1035 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1037 * reload1.c (reload_combine, reload_combine_note_store):
1038 Make STORE_RUID always valid.
1039 (reload_combine): Check if BASE is clobbered too early.
1041 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
1043 * reload.c (find_reloads): Display the insn that cannot be
1046 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
1048 * cccp.c (create_definition): Fix end of bufer logic.
1050 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1052 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
1053 pointer parameters changed to use the PARAMS() macro.
1055 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1057 * except.h (struct handler_info): Add handler_number field.
1058 * except.c (gen_exception_label): EH labels no longer need to be
1059 on the permanent obstack.
1060 (get_new_handler): Set the label number field.
1061 (output_exception_table_entry): Regenerate handler label reference
1062 from the label number field.
1063 (init_eh): Remove a blank line.
1064 * integrate.c (get_label_from_map): Labels no longer need to be
1065 on the permanent obstack.
1067 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
1069 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
1070 only when OUTER_CODE is SET.
1072 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1074 * loop.c (strength_reduce): If scan_start points to the loop exit
1075 test, be wary of subversive use of gotos inside expression statements.
1076 Don't set maybe_multiple for a backward jump that does not
1077 include the label under consideration into its range.
1078 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
1080 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1082 * explow.c (plus_constant_wide): Don't immediately return with
1083 result of recursive call.
1085 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1087 * eh-common.h (struct eh_context): Add table_index for rethrows.
1089 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
1090 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
1091 processed when inlined or unrolled (ie duplicated in some way).
1093 * rtl.c (reg_note_name): Add strings for new reg_note enums.
1095 * expr.h (rethrow_libfunc): New library decl.
1097 * optabs.c (rethrow_libfunc): Initialize.
1099 * except.h (struct eh_entry): Add new field 'rethrow_label'.
1100 (new_eh_region_entry): No longer exported from except.c.
1101 (duplicate_handlers): Renamed to duplicate_eh_handlers and
1102 different prototype.
1103 (rethrow_symbol_map, rethrow_used): New exported functions.
1104 (eh_region_from_symbol): New exported function.
1106 * except.c (create_rethrow_ref): New function to create a single
1107 SYMBOL_REF for a rethrow region.
1108 (push_eh_entry): Initialize a rethrow ref.
1109 (func_eh_entry): Add a rethrow_label field.
1110 (new_eh_region_entry): Make static, and initialize the rethrow entry.
1111 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
1112 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
1113 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
1114 a region into an appropriate new symbol.
1115 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
1116 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
1117 (end_catch_handler): Emit a barrier for new-exceptions since
1118 control can never drop through the end of a catch block.
1119 (expand_end_all_catch): new-exceptions never fall through a catch
1121 (expand_rethrow): use __rethrow routine for new exceptions.
1122 (output_exception_table_entry): Generate rethrow labels, if needed.
1123 (output_exception_table): Generate start and end rethrow labels.
1124 (init_eh): Create rethrow symbols for beginning and end of table.
1125 (scan_region): Don't eliminate EH regions which are the targets of
1128 * flow.c (make_edges): Add different edges for rethrow calls,
1129 identified by having the REG_EH_RETHROW reg label.
1130 (delete_unreachable_blocks): Don't delete regions markers which are
1131 the target of a rethrow.
1133 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
1134 allow save_for_inline_copying to call duplicate_eh_handlers.
1135 (save_for_inline_copying): Call duplicate_eh_handlers instead of
1136 exposing internal details of exception regions.
1137 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
1138 (expand_inline_function_eh_labelmap): New callback routine to
1139 allow expand_inline_function to call duplicate_eh_handlers.
1140 (expand_inline_function): Call duplicate_eh_handlers instead of
1141 exposing internal details of exception regions.
1142 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
1145 * libgcc2.c (find_exception_handler): Generalize to enable it to
1146 pick up processing where it left off last time for a rethrow.
1147 (__unwinding_cleanup): New function. debug hook which is called before
1148 unwinding when __throw finds there is nothing but cleanups left.
1149 (throw_helper): Common parts of __throw extracted out for reuse.
1150 (__throw): Common parts moved to throw_helper.
1151 (__rethrow): New function for performing rethrows.
1153 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
1155 * reload1.c (current_function_decl): Tweak declaration.
1157 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
1159 * c-decl.c (flag_isoc9x): Default off.
1160 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
1161 * cccp.c (print_help, main): Likewise.
1162 * gcc.c (default_compilers): Update for -std=gnu*.
1164 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
1166 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
1167 * demangle.h: Deleted.
1169 * reload1.c (current_function_decl): Declare.
1171 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1173 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
1175 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1177 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
1179 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
1181 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
1183 * configure: Rebuilt.
1184 * system.h: If the *_unlocked functions are available use them
1185 instead of the locked counterparts by defining macros.
1186 * config.in: Regenerated.
1188 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
1190 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
1191 wrong and should only be used for dump related things, not
1192 debugging information, instead main_input_filename should be used.
1193 Also, reuse output_file_directive if possible.
1194 * i386/aix386ng.h (ASM_FILE_START): Likewise.
1195 * i386/isc.h (ASM_FILE_START): Likewise.
1196 * i386/win-nt.h (ASM_FILE_START): Likewise.
1197 * i386/sun386.h (ASM_FILE_START): Likewise.
1199 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
1201 * configure.in (mips*-*-linux*): Handle big and little endian
1203 * configure: Rebuilt.
1205 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
1207 * emit-rtl.c: Fix typo.
1209 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
1211 * reload1.c (eliminate_regs): Don't do anything, if we're not
1214 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
1216 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
1218 * mips/mips.c (mips_select_section): Add comment.
1220 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
1222 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
1223 characters in file names in #line to be consistent with #include
1224 handling. We support escape prcessing in the # 1 "..." version of
1225 the command. See also support in cp/lex.c.
1226 (handle_directive): Likewise.
1227 (do_line): Likewise.
1229 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
1231 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
1232 so it'll work on non-ASCII platforms. Always consider $ an
1233 identifier character. Take no arguments.
1234 (cpp_reader_init): Call initialize_char_syntax with no
1236 (cpp_start_read): Don't call initialize_char_syntax again.
1237 Clear is_idchar['$'] and is_idstart['$'] if not
1238 opts->dollars_in_ident.
1240 * cpplib.h (struct cpp_reader): Replace void *data element by
1241 cpp_options *opts. Rearrange elements to make gdb printout
1242 less annoying (put buffer stack at end).
1243 (CPP_OPTIONS): Get rid of now-unnecessary cast.
1245 * cppmain.c: s/data/opts/ when initializing cpp_reader
1247 * c-decl.c: Likewise.
1248 * objc/objc-act.c: Likewise.
1249 * fix-header.c: Likewise.
1251 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
1253 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
1254 with a struct file_name_list pointer.
1255 (struct cpp_reader): Add pointer to chain of `actual
1256 directory' include searchpath entries.
1257 (struct file_name_list): Add *alloc pointer for the sake of
1258 the actual-directory chain.
1260 Move definition of HOST_WIDE_INT here.
1261 (cpp_parse_escape): Change prototype to match changes in
1264 * cppfiles.c (actual_directory): New function.
1265 (finclude): Use it to initialize the buffer's actual_dir
1267 (find_include_file): We don't need to fix up max_include_len
1270 * cpplib.c (do_include): Don't allocate a file_name_list on
1271 the fly for current directory "" includes, use the one that's
1272 been preallocated in pfile->buffer->actual_dir. Hoist out
1273 duplicate code from the search_start selection logic.
1274 (cpp_reader_init): Initialize pfile->actual_dirs.
1276 Remove definition of HOST_WIDE_INT. Change calls
1277 to cpp_parse_escape to match changes in cppexp.c (note
1278 hardcoded MASK, which is safe since this is the source
1281 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
1282 to handle wide character constants in #if directives. The
1283 function now returns a HOST_WIDE_INT, and takes a third
1284 argument which is a binary mask for all legal values (0x00ff
1285 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
1286 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
1287 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
1289 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
1291 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
1293 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1295 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
1296 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
1297 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
1299 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
1301 * final.c (output_asm_name): Use tabs to seperate comments from
1304 Include instruction lengths (if defined) in output.
1306 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1308 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
1309 in the loop_info structure.
1311 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
1313 * configure.in: (arm*-*-ecos-elf): New target.
1314 * configure: Regenerated.
1315 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
1316 * config/arm/ecos-elf.h: New file.
1317 * config/arm/unknown-elf.h (TARGET_VERSION): Check
1320 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1322 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
1324 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
1326 * version.c: Bump for snapshot.
1328 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1330 * loop.c (check_dbra_loop): New argument loop_info. Update fields
1333 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
1335 * version.c: Bump for snapshot.
1337 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1339 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
1340 compressed reports are ok and preferred over URLs
1342 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1344 * invoke.texi (Warning Options): Soften the tone of -pedantic
1346 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
1348 * print-rtl.c (print_rtx): Add prototype.
1350 * unroll.c (iteration_info): Make it static.
1352 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
1354 * alias.c (memrefs_conflict_p): A second ANDed address
1355 disables the aligned address optimization.
1357 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
1359 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
1362 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
1364 * i960.h (BOOL_TYPE_SIZE): Define.
1366 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1368 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
1369 from old valid_parallel_operands_4.
1370 (valid_parallel_operands_4): Check that operands for 4 operand
1371 parallel insns are valid, excluding load/store insns.
1372 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
1373 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
1374 valid_parallel_load_store instead of valid_parallel_operands_4.
1375 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
1376 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
1377 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
1378 *notqi_movqi_clobber): Use valid_parallel_operands_4.
1379 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
1380 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
1381 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
1383 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1385 * config/c4x/c4x.c (iteration_info): Delete extern.
1387 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1389 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
1391 * final.c (cleanup_subreg_operands): Delete some unused code.
1393 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
1394 (struct insn_alternative): New structure definition.
1395 (recog_op_alt): Declare variable.
1396 (preprocess_constraints): Declare function.
1397 * recog.c (recog_op_alt): New variable.
1398 (extract_insn): Verify number of alternatives is in range.
1399 (preprocess_constraints): New function.
1400 * reg-stack.c: Include recog.h.
1401 (constrain_asm_operands): Delete.
1402 (get_asm_operand_lengths): Delete.
1403 (get_asm_operand_n_inputs): New function.
1404 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
1405 N_OUTPUTS args. All callers changed.
1406 Compute number of inputs and outputs here by calling
1407 get_asm_operand_n_inputs.
1408 Instead of constrain_asm_operands, call extract_insn,
1409 constrain_operands and preprocess_constaints. Use information
1410 computed by these functions throughout.
1411 (record_reg_life): Delete code that is unused due to changes in
1412 record_asm_reg_life.
1413 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
1414 N_INPUTS and N_OUTPUTS args. All callers changed.
1415 Similar changes as in record_asm_reg_life.
1416 (subst_stack_regs): Move n_operands declaration into the if statement
1418 Delete code that is unused due to changes in subst_asm_stack_regs.
1419 * stmt.c (expand_asm_operands): Verify number of alternatives is in
1421 * Makefile.in (reg-stack.o): Depend on recog.h.
1423 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
1425 * except.c (set_exception_version_code): Argument is an "int".
1427 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
1429 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
1430 * configure: Rebuilt.
1432 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
1434 * configure.in (mipsel-*-linux*): New target.
1435 * mips/linux.h: New file, based on other Linux targets.
1437 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
1439 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
1440 runs in the context of the deleter, not the deletee, so we must
1441 use taskVarGet to find the correct memory to free.
1442 (__gthread_key_create): Initialize the task
1443 variable subsystem so that the task variable is still active when
1444 the delete hook is run.
1446 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
1448 * pdp11.h: Use optimize_size for space optimizations.
1449 * pdp11.c: Likewise.
1450 * pdp11.md: Likewise.
1452 * pdp11.h (TARGET_40_PLUS): Fix typo.
1454 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
1456 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
1459 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1461 * alias.c (addr_side_effect_eval): New function.
1462 (memrefs_conflict_p): Use it.
1463 * rtl.h (addr_side_effect_eval): Prototype it.
1465 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
1467 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
1469 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
1471 * reload.c (find_reloads): When force const to memory, put result
1472 in substed_operand not *recog_operand_loc.
1474 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
1476 * c-lex.c: Fix indentation from last patch.
1477 Remove trailing whitespace.
1480 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
1482 * flow.c (delete_block): Call set_last_insn after we have reset
1483 NEXT_INSN (kept_tail).
1485 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
1487 * mips.md (trap_if): Use "$0" for the value zero.
1489 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
1490 Stephen L Moshier <moshier@world.std.com>
1491 Richard Henderson <rth@cygnus.com>
1493 * c-common.c (declare_function_name): Declare predefinied variable
1496 * c-decl.c (flag_isoc9x): Set to 1 by default.
1497 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
1498 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
1500 * c-parse.in: Allow constructors in ISO C 9x.
1501 Rewrite designator list handling.
1502 Allow [*] parameters.
1503 Don't warn about comma at end of enum definition for ISO C 9x.
1505 * cccp.c (c9x): New variable.
1506 (rest_extension): New variable.
1507 (print_help): Document new -std= option.
1508 (main): Recognize -std= option. Set c9x appropriately.
1509 (create_definition): Recognize ISO C 9x vararg macros.
1511 * gcc.c (default_compilers): Adjust specs for -std options.
1512 (option_map): Add --std.
1513 (display_help): Document -std.
1515 * toplev.c (documented_lang_options): Add -std and remove
1518 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
1519 or REAL_VALUE_HTOF based on base of the constants.
1520 * fold-const.c (real_hex_to_f): New function. Replacement function
1521 for hex FP conversion if REAL_ARITHMETIC is not defined.
1522 * real.c (asctoeg): Add handling of hex FP constants.
1523 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
1526 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
1528 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
1529 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
1530 expansion. Use hi/lo as destination register.
1532 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
1533 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
1534 Avoid as macro expansion. Use hi/lo as destination register.
1536 * mips.h (MASK_CHECK_RANGE_DIV): New.
1537 (MASK_NO_CHECK_ZERO_DIV): New.
1538 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
1539 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
1540 return address for leaf functions out of r31 to support
1541 builtin_return_address.
1543 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1545 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
1546 NEXT_INSN(x) to check insn x.
1548 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
1550 * flow.c (delete_block): Call set_last_insn if we end up deleting the
1551 last insn in the rtl chain.
1553 * reload1.c (reload): Do not set reload_completed or split insns
1555 * toplev.c (rest_of_compilation): Set reload_completed after
1556 reload returns. Split insns after reload_cse has run.
1558 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
1560 * final.c (final_scan_insn): Abort if block_depth falls below 0.
1562 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
1564 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
1566 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
1568 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
1569 use of user-label_prefix.
1571 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1573 * reload1.c (emit_reload_insns): Clear spill_reg_store
1574 when doing a new non-inherited reload from the same pseudo.
1576 * local-alloc.c (function_invariant_p): New function.
1577 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
1578 to decide if an equivalence should be recorded.
1579 * reload1.c (num_eliminable_invariants): New static variable.
1580 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
1581 to decide if an equivalence should be recorded.
1583 (calculate_needs_all_insns): Skip insns that only set an equivalence.
1584 Take num_eliminable_invariants into account when deciding
1585 if register elimination should be done.
1586 (reload_as_needed): Take num_eliminable_invariants into account
1587 when deciding if register elimination should be done.
1588 (eliminate_regs): Handle non-constant reg_equiv_constant.
1589 * rtl.h (function_invariant_p): Declare.
1591 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
1593 * version.c: Bump for snapshot.
1595 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
1597 * version.c: Bump for snapshot.
1599 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
1601 * except.c (add_new_handler): Complain about additional handlers
1602 after one that catches everything.
1604 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
1606 * configure.in (alpha*-*-netbsd): Fix typo.
1607 * configure: Rebuilt.
1609 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1611 * system.h: Include libiberty.h.
1613 * c-aux-info.c: Remove prototypes for concat/concat3. Change
1614 function `concat' from fixed parameters to variable parameters,
1615 as is done in libiberty. All callers of concat/concat3
1616 changed to use the new `concat' with variable args.
1618 * cccp.c: Remove things made redundant by libiberty.h and/or
1619 conform to libiberty standards.
1621 * collect2.c: Likewise.
1622 * config/1750a/1750a.h: Likewise.
1623 * cppalloc.c: Likewise.
1624 * cppexp.c: Likewise.
1625 * cppfiles.c: Likewise.
1626 * cpphash.c: Likewise.
1627 * cpplib.c: Likewise.
1628 * dyn-string.c: Likewise.
1629 * fix-header.c: Likewise.
1632 * genattr.c: Likewise.
1633 * genattrtab.c: Likewise.
1634 * gencheck.c: Likewise.
1635 * gencodes.c: Likewise.
1636 * genconfig.c: Likewise.
1637 * genemit.c: Likewise.
1638 * genextract.c: Likewise.
1639 * genflags.c: Likewise.
1640 * gengenrtl.c: Likewise.
1641 * genopinit.c: Likewise.
1642 * genoutput.c: Likewise.
1643 * genpeep.c: Likewise.
1644 * genrecog.c: Likewise.
1645 * getpwd.c: Likewise.
1646 * halfpic.c: Likewise.
1648 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
1649 in NEED_DECLARATION_* macros.
1651 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
1652 conform to libiberty standards.
1653 (fatal): Fix const-ification of variable `format' in
1654 !ANSI_PROTOTYPES case.
1656 * prefix.c: Remove things made redundant by libiberty.h and/or
1657 conform to libiberty standards.
1659 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
1660 conflicting with function `spaces' from libiberty.
1662 * profile.c: Remove things made redundant by libiberty.h and/or
1663 conform to libiberty standards.
1664 * protoize.c: Likewise.
1667 * tlink.c: Likewise.
1668 * toplev.c: Likewise.
1669 * toplev.h: Likewise.
1672 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1674 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
1676 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1678 * README.C4X: Updated URLs.
1679 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
1680 (valid_parallel_operands_5): Remove unused variable.
1682 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1684 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
1686 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
1688 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
1689 which can be configured.
1690 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
1691 (Makefile): Pass actual LANGUAGES through the environment when
1693 (cstamp-h): Likewise.
1694 (config.status): Likewise.
1696 * configure.in (enable_languages): Add new configuration parameter
1697 "--enable-languages=lang1,lang2,...".
1698 (${srcdir}/*/config-lang.in): Change handling to configure only
1699 those directories, that the user might have enabled; default to
1700 "all" existing languages.
1701 * configure: Regenerate.
1703 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
1705 * rtlanal.c (regs_set_between_p): New function.
1706 * rtl.h (regs_set_between_p): Prototype it.
1707 * jump.c (jump_optimize): Use it instead of modified_between_p
1708 in the Sep 2 change.
1710 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
1711 Matthias Pfaller <leo@dachau.marco.de>
1713 * invoke.texi (Option Summary, NS32K Options): add description
1714 of NS32K specific options.
1716 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
1717 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
1718 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
1719 negdf2, absdf2): Use l instead of f since the double class and
1720 float class are no longer the same.
1721 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
1722 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
1723 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
1724 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
1726 (cmpsi, cmphi, cmpqi): use general_operand instead of
1727 non_immediate_operand. Removes erroneous assumption that can't
1729 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
1730 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
1732 (movstrsi, movstrsi1, movstrsi2): completely new block move
1734 (...): Patterns to exploit multiply-add instructions.
1735 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
1736 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
1737 patterns to exploit extended divide insns.
1738 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
1741 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
1742 float return values as well as simple scalar floats.
1743 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
1744 support new flag to denote 32381 fpu.
1745 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
1746 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
1748 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1749 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
1750 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
1751 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
1752 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
1753 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
1754 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
1755 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
1756 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
1757 fpu registers and special register classes for new 32381
1758 instructions dotf and polyf.
1759 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
1761 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
1762 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
1764 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
1765 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
1766 (REGISTER_MOVE_COST): move code to register_move_cost function for
1767 ease of coding and debugging.
1768 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
1769 LONG_FLOAT_REGO is likely spilled but not caught by default
1771 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
1772 instead of hard coded numbers in range check.
1773 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
1774 (...): Add prototypes for functions in ns32k.c but disable because
1775 of problems when ns32k.h is included in machine independant files.
1777 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
1778 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
1779 hard_regno_mode_ok, secondary_reload_class,
1780 print_operand, print_operand_address): new register scheme to
1781 include 32381 fpu registers and special register classes for new
1782 32381 instructions dotf and polyf.
1783 (gen_indexed_expr): Make static to keep namespace clean.
1784 (check_reg): remove since never called.
1785 (move_tail, expand_block_move): helper functions for "movstrsi"
1787 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
1788 Increase cost of moves which go via memory.
1789 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
1790 (CPP_PREDEFINES): nolonger predefine "unix".
1792 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
1793 Remove erroneous %$. print_operand() can work out from the rtx is
1794 an immediate prefix is required.
1796 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
1797 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
1798 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
1800 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
1803 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
1804 Correct handling of pic operands.
1805 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
1806 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
1807 -mrtd calling convention.
1809 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
1811 * gcc.c (option_map): Recognize --output-class-directory.
1813 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1815 * loop.h (precondition_loop_p): Added new mode argument.
1816 * unroll.c (precondition_loop_p): Likewise.
1817 (approx_final_value): Function deleted and subsumed
1818 into loop_iterations.
1819 (loop_find_equiv_value): New function.
1820 (loop_iterations): Use loop_find_equiv_value to find increments
1821 too large to be immediate constants. Also use it to find terms
1822 common to initial and final iteration values that can be removed.
1824 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1826 * loop.h (struct loop_info): Define new structure.
1827 (precondition_loop_p): Added prototype.
1828 (unroll_loop): Added new argument loop_info to prototype.
1829 (final_biv_value, final_giv_value): Added new argument n_iterations
1831 * loop.c (strength_reduce): Declare new structure loop_iteration_info
1832 and new pointer loop_info.
1833 (loop_n_iterations): Replace global variable by element in
1834 loop_info structure.
1835 (check_final_value): New argument n_iterations.
1836 (insert_bct): New argument loop_info.
1837 (loop_unroll_factor): Replace global array by element in
1838 loop_info structure.
1839 (loop_optimize): Remove code to allocate and initialise
1840 loop_unroll_factor_array.
1841 * unroll.c (precondition_loop_p): No longer static since
1842 used by branch on count optimization.
1843 (precondition_loop_p, unroll_loop): New argument loop_info.
1844 (final_biv_value, final_giv_value, find_splittable_regs): New
1845 argument n_iterations.
1846 (loop_iteration_var, loop_initial_value, loop_increment,
1847 loop_final_value, loop_comparison_code, loop_unroll_factor):
1848 Replaced global variables by loop_info structure.
1849 (loop_unroll_factor): Replace global array by element in
1850 loop_info structure.
1852 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1854 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
1857 * unroll.c (precondition_loop_p): Return loop_initial_value
1858 for initial_value instead of loop_iteration_var.
1860 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1862 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
1863 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
1864 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
1865 to output the instruction sequences.
1867 (rptb_top): Provide alternatives to use any register or memory
1869 (rptb_end): Emit use of operands rather than assigning them
1870 explicitly to the RS and RE registers.
1872 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1874 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
1875 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
1876 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
1877 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
1878 c4x_merge_notes, c4x_parallel_process,
1879 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
1880 c4x_combine_parallel): Delete.
1882 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1884 * config/c4x/c4x.c: (c4x_override_options): For compatibility
1885 with old target options clear flag_branch_on_count_reg if
1886 -mno-rptb specified and set flag_argument_alias is -mno-aliases
1888 (c4x_output_cbranch): Handle a sequence of insns rather than a
1890 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
1891 has not been allocated as the loop counter.
1892 (c4x_address_conflict): Do not allow two volatile memory references.
1893 (valid_parallel_operands_4, valid_parallel_operands_5,
1894 valid_parallel_operands_6): Reject pattern if the register destination
1895 of the first set is used as part of an address in the second set.
1897 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1899 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
1900 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
1901 is no longer enabled if PARALLEL_MPY_FLAG set.
1902 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
1903 (REG_CLASS_CONTENTS): Add braces around initializers.
1904 (HAVE_MULTIPLE_PACK): Define.
1905 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
1906 REAL_VALUE_TO_DECIMAL.
1907 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
1908 REAL_VALUE_TO_DECIMAL.
1909 (ar0_reg_operand): Add prototype.
1910 (ar0_mem_operand): Likewise.
1911 (ar1_reg_operand): Likewise.
1912 (ar1_mem_operand): Likewise.
1913 (ar2_reg_operand): Likewise.
1914 (ar2_mem_operand): Likewise.
1915 (ar3_reg_operand): Likewise.
1916 (ar3_mem_operand): Likewise.
1917 (ar4_reg_operand): Likewise.
1918 (ar4_mem_operand): Likewise.
1919 (ar5_reg_operand): Likewise.
1920 (ar5_mem_operand): Likewise.
1921 (ar6_reg_operand): Likewise.
1922 (ar6_mem_operand): Likewise.
1923 (ar7_reg_operand): Likewise.
1924 (ar7_mem_operand): Likewise.
1925 (ir0_reg_operand): Likewise.
1926 (ir0_mem_operand): Likewise.
1927 (ir1_reg_operand): Likewise.
1928 (ir1_mem_operand): Likewise.
1929 (group1_reg_operand): Likewise.
1930 (group1_mem_operand): Likewise.
1931 (ir1_reg_operand): Likewise.
1932 (arx_reg_operand): Likewise.
1933 (not_rc_reg): Likewise.
1934 (not_modify_reg): Likewise.
1935 (c4x_group1_reg_operand): Remove prototype.
1936 (c4x_group1_mem_operand): Likewise.
1937 (c4x_arx_reg_operand): Likewise.
1939 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
1941 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
1942 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
1944 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1946 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
1949 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1951 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
1952 unless FMOVD_WORKS is defined.
1954 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1956 * regclass.c (init_reg_sets): Move code that calculates tables
1957 dependent on reg_class_contents from here...
1958 (init_reg_sets_1): To here.
1960 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1962 * cpplib.h: Delete struct import_file. Add ihash element to
1963 struct cpp_buffer. Delete dont_repeat_files and
1964 import_hash_table elements from cpp_reader; change
1965 all_include_files to a hash table. Delete all foobar_include
1966 / last_foobar_include elements from struct cpp_options; put
1967 back four such: quote_include, bracket_include,
1968 system_include, after_include. Redo struct file_name_list
1969 completely. Add new structure type include_hash. Add
1970 prototypes for merge_include_chains and include_hash. Change
1971 prototypes for finclude, find_include_file, and
1972 append_include_chain to match changes below.
1974 * cppfiles.c (simplify_pathname, include_hash,
1975 remap_filename, merge_include_chains): New functions.
1976 (add_import, lookup_import, open_include_file): Removed.
1977 (INO_T_EQ): Define this (copied from cccp.c).
1978 (hack_vms_include_specification): Remove all calls and #if 0
1979 out the definition. It was being called incorrectly and at
1980 the wrong times. Until a VMSie can look at this, it's better
1981 to not pretend to support it.
1982 (append_include_chain): Change calling convention; now takes
1983 only one directory at a time, and sets up the data structure
1985 (redundant_include_p): Rewritten - this is now used for all
1986 include redundancy, whether by #ifndef, #import, or #pragma
1987 once. Looks up things in the include hash table.
1988 (file_cleanup): Decrement pfile->system_include_depth here if
1990 (find_include_file): Calling convention changed; now passes
1991 around a struct include_hash instead of 3 separate parameters.
1992 Guts ripped out and replaced with new include_hash mechanism.
1993 (finclude): Calling convention changed as for
1994 find_include_file. Error exits pulled out-of-line. Reformat.
1995 (safe_read): Return a long, not an int.
1996 (deps_output): Don't recurse.
1998 * cpplib.c (is_system_include): Deleted.
1999 (path_include): Fix up call to append_include_chain.
2000 (do_include): Fix up calls to find_include_file and finclude.
2001 Clean up dependency output a bit. Shorten obnoxiously lengthy
2002 #import warning message. Don't decrement
2003 pfile->system_include_depth here.
2004 (do_pragma): Understand the include_hash structure. Reformat.
2005 (do_endif): Correct handling of control macros. Understand
2007 (cpp_start_read): Fix up calls to finclude. Call
2008 merge_include_chains.
2009 (cpp_handle_option): Fix up calls to append_include_chain.
2010 Understand the four partial include chains.
2011 (cpp_finish): Add debugging code (#if 0-ed out) for the
2013 (cpp_cleanup): Free the include_hash, not the import hash and
2014 the all_include and dont_repeat lists which no longer exist.
2016 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
2018 * toplev.c (no_new_pseudos): Define.
2019 (rest_of_compilation): Set no_new_pseudos as needed.
2020 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
2021 if no_new_pseudos is set.
2022 * rtl.h (no_new_pseudos): Declare it.
2023 * reload1.c (reload): Update comments.
2024 * md.texi: Corresponding changes.
2026 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2028 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
2029 (choose_reload_regs): Rename it here as well. When computing it,
2030 also merge in used hardregs.
2032 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2034 * gcc.c: Split out Objective-C specs to...
2035 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
2038 * c-lex.c (init_parse): Always initialize the filename global.
2039 * objc/objc-act.c (lang_init): Always call check_newline at
2042 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
2044 * reload1.c (reload): Remove unused variable.
2045 (reload_reg_free_for_value_p): Add missing parameter definition.
2047 * jump.c (jump_optimize): Remove unused variable.
2049 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
2051 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
2053 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
2055 * expr.c (move_by_pieces): Similarly.
2056 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
2057 * flow.c (find_auto_inc): Similarly.
2058 (try_pre_increment): Similarly.
2059 * loop.c (strength_reduce): Similarly.
2060 * regclass.c (auto_inc_dec_reg_p): Similarly.
2061 * regmove.c (try_auto_increment): Similarly.
2062 (fixup_match_1): Similarly.
2063 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
2064 (HAVE_PRE_DECREMENT): Similarly.
2065 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
2066 * Corresponding changes to all target header files.
2067 * tm.texi: Update docs for autoinc addressing modes.
2069 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
2071 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
2072 * configure: Rebuild.
2073 * config/elfos.h: New file.
2074 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
2075 config/m68k/t-m68kelf: New file.
2077 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
2079 * Makefile.in (HOST_AR): Define.
2080 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
2081 (libcpp.a): Use the host tools explicitly.
2082 (STAGESTUFF): Add libcpp.a.
2084 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
2086 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
2087 to source and destination registers.
2089 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
2091 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
2092 The strategy we now use is to pre allocate the top_elt along
2093 with the EH context so that each thread has its own top_elt.
2094 This is necessary as the dynmanic cleanup chain is used on the
2095 top element of the stack and each thread MUST have its own.
2096 (eh_context_static): Likewise.
2097 (new_eh_context): Likewise.
2098 (__sjthrow): Likewise.
2100 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
2102 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
2103 * i386.md (prologue_get_pc): Remove unused variable.
2105 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
2107 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
2109 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
2111 * Makefile.in (OBJS): Add graph.o
2112 (graph.o): New dependency list.
2113 * flags.h: Declare dump_for_graph and define graph_dump_types type.
2114 * print-rtl.c (dump_for_graph): Define new variable.
2115 (print_rtx): Rewrite to allow use in graph dumping functions.
2116 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
2117 finish_graph_dump_file.
2118 Define graph_dump_format.
2119 (compile_file): If graph dumping is enabled also clear these files.
2120 Finish graph dump files.
2121 (rest_of_compilation): Also dump graph information if enabled.
2122 (main): Recognize -dv to enabled VCG based graph dumping.
2123 * graph.c: New file. Graph dumping functions.
2125 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
2127 * configure.in: Look for <sys/stat.h>.
2128 * system.h: Include it before substitute S_ISREG definitions.
2130 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
2132 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
2133 * config/mips/iris6.h: Same.
2134 * config/mips/mips.md: Same.
2135 * config/mips/mips.c: Same; also add "-mabi=o64" option.
2136 * config/mips/mips.h: Same; also define ABI_O64.
2138 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2140 * configure.in: Use AC_PREREQ(2.12.1).
2142 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2144 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
2145 * cpplib.c, gcc.c: Likewise.
2146 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
2148 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
2150 * local-alloc.c (local_alloc): Use malloc not alloca for
2151 reg_qty, reg_offset, ref_next_in_qty.
2153 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2155 * caller-save.c (insert_one_insn): Initialize the live_before and
2156 live_after register sets.
2160 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
2161 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
2162 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
2163 (fp_reg_names, assembler_dialect): New variables.
2164 (print_operand_address): Handle SUBREGs.
2165 (print_operand): Added 'o' case.
2166 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
2167 Name of FP registers depends on mode.
2168 (expand_block_move): Emit different code for SH4 hardware.
2169 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
2170 (from_compare): Likewise.
2171 (add_constant): New argument last_value. Changed all callers.
2172 (find_barrier): Don't try HImode load for FPUL_REG.
2173 (machine_dependent_reorg): Likewise.
2174 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
2175 (gen_far_branch): Emit a barrier after the new jump.
2176 (barrier_align): Don't trust instruction lengths before
2178 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
2179 Use auto-inc addressing for fp registers if doubles need to
2180 be loaded in two steps.
2181 Set sh_flag_remove_dead_before_cse.
2182 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
2183 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
2184 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
2185 Support for FIRST_XD_REG .. LAST_XD_REG.
2186 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
2187 (sh_expand_epilogue): Likewise.
2188 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
2189 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
2190 (arith_reg_operand): FPUL_REG is OK for SH4.
2191 (fp_arith_reg_operand, fp_extended_operand) New functions.
2192 (tertiary_reload_operand, fpscr_operand): Likewise.
2193 (commutative_float_operator, noncommutative_float_operator): Likewise.
2194 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
2195 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
2196 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
2197 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
2198 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
2199 (CONDITIONAL_REGISTER_USAGE): Likewise.
2200 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
2201 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
2202 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
2203 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
2204 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
2205 to -1 and sh_flag_remove_dead_before_cse to 1.
2206 (ASSEMBLER_DIALECT): Define to assembler_dialect.
2207 (assembler_dialect, fp_reg_names): Declare.
2208 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
2209 Hide names of registers that are not accessible.
2210 (CACHE_LOG): Take TARGET_CACHE32 into account.
2211 (LOOP_ALIGN): Take TARGET_HARWARD into account.
2212 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
2213 (FIRST_PSEUDO_REGISTER: Now 49.
2214 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
2215 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
2216 (HARD_REGNO_MODE_OK): Update.
2217 (enum reg_class): Add DF_REGS and FPSCR_REGS.
2218 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
2219 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
2220 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
2221 (NPARM_REGS): Eight floating point parameter registers on SH4.
2222 (BASE_RETURN_VALUE_REG): SH4 also passes double values
2223 in floating point registers.
2224 (GET_SH_ARG_CLASS) Likewise.
2225 Complex float types are also returned in float registers.
2226 (BASE_ARG_REG): Complex float types are also passes in float registers.
2227 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
2228 (LIBCALL_VALUE): Remove trailing semicolon.
2229 (ROUND_REG): Round when double precision value is passed in floating
2231 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
2232 passed on the stack.
2233 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
2234 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
2235 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
2236 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
2237 (MODE_DISP_OK_8): Not for SH4 DFmode.
2238 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
2239 Allow indexed addressing for PSImode after reload.
2240 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
2241 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
2242 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
2243 (DOUBLE_TYPE_SIZE): 64 for SH4.
2244 (RTX_COSTS): Add PLUS case.
2245 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
2246 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
2247 MAC_REGS, PR_REGS, DF_REGS.
2248 (REGISTER_NAMES): Use fp_reg_names.
2249 (enum processor_type): Add PROCESSOR_SH4.
2250 (sh_flag_remove_dead_before_cse): Declare.
2251 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
2252 (PREDICATE_CODES): Add binary_float_operator,
2253 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
2254 fpscr_operand, noncommutative_float_operator.
2255 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
2256 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
2257 * sh.md (attribute cpu): Add value sh4.
2258 (attrbutes fmovd, issues): Define.
2259 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
2260 (function units memory, int, mpy, fp): Make dependent on issue rate.
2261 (function units issue, single_issue, load_si, load): Define.
2262 (function units load_store, fdiv, gp_fpul): Define.
2263 (attribute hit_stack): Provide proper default.
2264 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
2265 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
2266 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
2267 (mulsi3_call): Now uses match_operand for function address.
2268 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
2270 (push, pop, push_e, pop_e): Now define_expands.
2271 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
2272 (movsi_ie): Added y/i alternative.
2273 (ic_invalidate_line_i, movdf_i4): New insns.
2274 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
2275 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
2276 (movdf): Add special code for SH4.
2277 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
2278 (call_valuei, calli, call_value): Likewise.
2279 (movsf): Emit no-op move.
2280 (mov_nop, movsi_y): New insns.
2281 (blt, sge): generalize to handle DFmode.
2282 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
2283 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
2284 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
2285 (fpu_switch0, fpu_switch1, movpsi): New expanders.
2286 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
2287 (toggle_sz): New insn.
2288 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
2289 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
2290 (macsf3): Make use of fpscr visible. Disable for SH4.
2291 (floatsisf2): Make use of fpscr visible.
2292 (floatsisf2_i4): New insn.
2293 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
2294 (ieee_ccmpeqsf_t): Likewise.
2295 (fix_truncsfsi2): Emit different code for SH4.
2296 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
2297 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
2298 (negsf2, sqrtsf2, abssf2): Now expanders.
2299 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
2300 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
2301 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
2302 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
2303 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
2304 (fix_truncdfsi2_i4_2+1): New splitters.
2305 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
2306 (extendsfdf2, truncdfsf2): New expanders.
2307 (truncdfsf2_i4): New insn.
2308 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
2309 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
2310 * float-sh.h: When testing for __SH3E__, also test for
2311 __SH4_SINGLE_ONLY__ .
2312 * va-sh.h (__va_freg): Define to float.
2313 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
2314 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
2315 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
2316 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
2318 (TARGET_SH4_P): Define.
2321 * sh.md (movdf_k, movsf_i): Tweak the condition so that
2322 init_expr_once is satisfied about the existence of load / store insns.
2324 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
2325 change m constraint in source operand to mr / mf .
2327 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
2329 * (__VA_REEF): Define.
2330 (__va_arg_sh1): Use it.
2332 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
2334 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
2336 * i386/dgux.c (struct option): Add new "description field".
2337 * m88k/m88k.c (struct option): Likewise.
2339 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
2341 * version.c: Bump for snapshot.
2343 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2345 * regmove.c (regmove_profitable_p): Use return value of find_matches
2348 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
2350 * version.c: Bump for snapshot.
2352 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
2354 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
2355 without reload having been called earlier.
2357 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
2359 (v850_reorg): Similarly.
2361 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
2363 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2365 * loop.c (move_movables): Start of libcall might be new loop start.
2367 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2369 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
2371 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2373 * function.c (nonlocal_goto_handler_slots): Renamed from
2374 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
2375 (push_function_context_to): Adjust for this change.
2376 (pop_function_context_from): Likewise.
2377 (init_function_start): Likewise.
2378 (expand_function_end): Likewise.
2379 * function.h (struct function): Likewise.
2380 * calls.c (expand_call): Likewise.
2381 * explow.c (allocate_dynamic_stack_space): Likewise.
2382 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
2383 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
2385 (expand_goto): When doing a nonlocal goto, find corresponding handler
2386 slot for it. Don't put the label address in the static chain register.
2387 (expand_end_bindings): Break out nonlocal goto handling code into
2388 three new functions.
2389 (expand_nl_handler_label, expand_nl_goto_receiver,
2390 expand_nl_goto_receivers): New static functions, broken out of
2391 expand_end_bindings and adapted to create one handler per nonlocal
2393 * function.c (delete_handlers): Delete insn if it references any of
2394 the nonlocal goto handler slots.
2395 * i960.md (nonlocal_goto): Comment out code that modifies
2397 * sparc.md (nonlocal_goto): Likewise.
2398 (goto_handler_and_restore_v9): Comment out.
2399 (goto_handler_and_restore_v9_sp64): Comment out.
2401 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2403 * expr.c (STACK_BYTES): Delete unused macro.
2404 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
2405 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2406 (expand_call): Likewise.
2407 (emit_library_call): Likewise.
2408 (emit_library_call_value): Likewise.
2409 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
2410 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2411 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
2412 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2413 (allocate_dynamic_stack_space): Likewise.
2414 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
2415 (STACK_BOUNDARY): Update description to reflect the new situation.
2417 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
2419 * reorg.c (relax_delay_slots): When optimizing for code size, if a
2420 return with a filled delay slot is followed by a return with an
2421 unfilled delay slot, delete the first return and reemit the insn
2422 that was previously in its delay slot.
2424 * i860.c (single_insn_src_p): Add missing parens.
2425 * ginclude/math-3300.h: Likewise.
2427 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
2429 * regclass.c (init_reg_sets_1): Add prototype.
2430 (init_reg_modes): Likewise.
2432 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
2434 * c-common.c: Change warning messages to say `comparison is
2435 always true' or `comparison is always false' instead of the
2436 confusing `is always 0', `is always 1'.
2438 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
2440 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
2441 break instead of return (which loses closing '>').
2443 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
2445 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
2446 standard 387 constants.
2448 * i386.md (jump): Explicitly set "memory" attribute.
2449 (indirect_jump, prologue_set_stack_ptr): Likewise.
2450 (prologue_get_pc_and_set_got, pop): Likewise.
2451 (allocate_stack_worder, blockage, return_internal): Likewise.
2452 (return_pop_internal, nop): Likewise.
2453 (epilogue_set_stack_ptr, leave): Likewise.
2455 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
2457 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
2459 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2461 * reload1.c (reload_reg_free_for_value_p):
2462 Early auto_inc reloads don't conflict with outputs.
2464 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2466 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
2467 Instead call AC_HEADER_SYS_WAIT.
2469 * collect2.c: Don't provide defaults for sys/wait.h macros.
2471 * protoize.c: Likewise. Also, don't include sys/wait.h.
2473 * system.h: Include sys/wait.h and provide macro defaults.
2475 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2477 * Makefile.in (mandir): Set to @mandir@.
2478 (man1dir): New variable to hold the former value of $(mandir).
2479 Replace all uses of $(mandir) by $(man1dir).
2481 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
2483 * reload.c (find_reloads_address_part): If have a CONST_INT, create
2484 a new one before passing it to force_const_mem.
2486 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
2487 find_reloads_address call.
2489 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2491 * expr.c (store_expr): Don't generate load-store pair
2492 if TEMP is identical (according to ==) with TARGET.
2494 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2496 * reload1.c (reload_reg_free_for_value_p): When considered reload
2497 has an output, matching inputs are not sufficient to avoid conflict.
2499 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
2501 * hash.h (hash_table_key): New type.
2502 (hash_entry): Change `string' field to generic `key'.
2503 (hash_table): Add `comp' and `hash' functions.
2504 (hash_table_init): Take them as input.
2505 (hash_table_init_n): Likewise.
2506 (hash_lookup): Modify for generic keys.
2507 (hash_newfunc): Likewise.
2508 (hash_traverse): Likewise.
2509 (string_hash): New function.
2510 (string_compare): Likewise.
2511 (string_copy): Likewise.
2512 * hash.c (hash_table_init_n): Modify for generic keys.
2513 (hash_table_init): Likewise.
2514 (hash_lookup): Likewise.
2515 (hash_newfunc): Likewise.
2516 (hash_traverse): Likewise.
2517 (string_hash): Split out from hash_lookup.
2518 (string_compare): New function.
2519 (string_copy): Split out from hash_lookup.
2520 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
2522 (symbol_hash_lookup): Likewise.
2523 (file_hash_newfunc): Likewise.
2524 (file_hash_lookup): Likewise.
2525 (demangled_hash_newfunc): Likewise.
2526 (demangled_hash_lookup): Likewise.
2527 (tlink_int): Likewise.
2528 (read_repo_file): Likewise.
2529 (recompile_files): Likewise.
2530 (demangle_new_symbols): Likewise.
2531 (scan_linker_output): Likewise.
2533 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2535 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
2537 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
2539 * rs6000.c (output_mi_thunk): Improve test for local branch.
2541 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2543 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
2545 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2547 * reload1.c (reload_reg_free_before_p): Delete.
2548 Changed all callers to use reload_reg_free_for_value_p instead.
2549 (reload_reg_free_for_value_p): Handle more reload types.
2550 A RELOAD_FOR_INPUT doesn't conflict with its
2551 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
2552 Add special case for OUT == const0_rtx.
2553 Added ignore_address_reloads argument. Changed all callers.
2555 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
2557 * toplev.c (compile_file): Don't pedwarn about undefined static
2558 functions just because we passed -Wunused.
2560 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2562 * function.c (purge_addressof_1): Unshare rtl created by
2565 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2567 * regmove.c (regmove_optimize): Don't do anything but
2568 optimize_reg_copy[123] when flag_regmove is not set.
2570 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
2572 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
2573 value in paradoxical SImode result, rather than truncating midpoint.
2575 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
2577 * alpha.c (reg_not_elim_operand): New.
2578 * alpha.h (PREDICATE_CODES): Add it.
2579 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
2580 for the multiplicand.
2582 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
2584 * rs6000.md (movsf): Remove explicit secondary-reload-like
2585 functionality. Only truncate SFmode store if in FPR.
2586 (movsf splitters): Combine const_double splitters.
2587 (movsf_hardfloat): Add GPR support.
2589 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
2591 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
2592 deprecate -mlive-g0 and -mbroken-saverestore.
2593 * t-splet (MULTILIB_OPTIONS): Likewise.
2595 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
2596 in a leaf function. Clarify total_size/extra_size relationship.
2598 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
2600 * i386/cygwin32.asm: Delete.
2601 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
2602 * i386/cygwin32.h: Delete.
2603 * i386/cygwin.h: New file, renamed from cygwin32.h.
2604 * i386/t-cygwin32: Delete.
2605 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
2606 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
2607 * i386/x-cygwin32: Delete.
2608 * i386/x-cygwin: New file, renamed from x-cygwin32.
2609 * i386/xm-cygwin32: Delete.
2610 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
2611 renamed cygwin_ funcs for path translations.
2612 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
2613 * i386/winnt.c: Remove "32" from comment about cygwin.
2614 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
2615 * rs6000/cygwin32.h: Delete.
2616 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
2617 -D__CYGWIN__ to CPP_PREDEFINES.
2618 * rs6000/x-cygwin32: Delete.
2619 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
2620 * rs6000/xm-cygwin32: Delete.
2621 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
2623 * configure.in: Check for cygwin* instead of cygwin32. Account
2624 for the rename of cygwin-related config files to lose the "32"s.
2625 * configure: Regenerate.
2627 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
2628 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
2630 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
2632 * Makefile.in (JAVAGC): New macro.
2633 * configure: Rebuilt.
2634 * configure.in: Recognize --enable-java-gc argument. Subst
2637 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2639 Handle equivalences that have been obscured by gcse:
2641 * reload1.c (reload): Handle equivalences set up in multiple places.
2642 * local-alloc.c (reg_equiv_init_insns): New variable.
2643 (no_equiv): New function.
2644 (update_equiv_regs): Handle equivalences set up in multiple places.
2645 Don't ignore an insn just because its destination is likely to be
2648 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
2650 * except.c (expand_eh_return): Readd force_operand call lost in
2653 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
2655 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
2657 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2659 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
2661 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2663 * regmove.c (regmove_optimize): Fix error in last change.
2665 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
2667 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
2668 offset in the .mask pseudo to compensate for frame pointer adjustments.
2669 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
2670 word swap arguments moved to/from FP registers.
2671 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
2673 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
2675 * version.c: Bump for snapshot.
2677 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
2679 * version.c: Bump for snapshot.
2681 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
2683 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
2684 times, then it can not be completely replaced.
2686 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
2688 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
2690 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2692 * gansidecl.h: Prepend a "G" to the macro wrapping this file
2693 (to distinguish it from the macro wrapping ansidecl.h.)
2694 Include libiberty's ansidecl.h. Remove all redundant definitions.
2695 Define the PROTO() style macros in terms of the PARAMS() ones.
2698 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
2699 __STDC__, when deciding whether to use ANSI variable args.
2700 (emit_library_call_value): Likewise.
2702 * cccp.c (error): Likewise.
2703 (warning): Likewise.
2704 (error_with_line): Likewise.
2705 (warning_with_line): Likewise.
2706 (pedwarn): Likewise.
2707 (pedwarn_with_line): Likewise.
2708 (pedwarn_with_file_and_line): Likewise.
2711 * cexp.y (error): Likewise.
2712 (pedwarn): Likewise.
2713 (warning): Likewise.
2715 * collect2.c (fatal_perror): Likewise.
2719 * combine.c (gen_rtx_combine): Likewise.
2721 * cpperror.c (cpp_message): Likewise.
2722 (cpp_fatal): Likewise.
2724 * cpplib.c (cpp_error): Likewise.
2725 (cpp_warning): Likewise.
2726 (cpp_pedwarn): Likewise.
2727 (cpp_error_with_line): Likewise.
2728 (cpp_warning_with_line): Likewise.
2729 (cpp_pedwarn_with_line): Likewise.
2730 (cpp_pedwarn_with_file_and_line): Likewise.
2732 * cpplib.h: Don't define PARAMS() macro.
2734 * demangle.h: Likewise.
2736 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
2737 when deciding whether to use ANSI variable args.
2739 * emit-rtl.c (gen_rtx): Likewise.
2740 (gen_rtvec): Likewise.
2742 * final.c (asm_fprintf): Likewise.
2744 * fix-header.c (cpp_message): Likewise.
2746 (cpp_fatal): Likewise.
2748 * gcc.c (concat): Likewise.
2752 * genattr.c (fatal): Likewise.
2754 * genattrtab.c (attr_rtx): Likewise.
2755 (attr_printf): Likewise.
2758 * gencodes.c (fatal): Likewise.
2760 * genconfig.c (fatal): Likewise.
2762 * genemit.c (fatal): Likewise.
2764 * genextract.c (fatal): Likewise.
2766 * genflags.c (fatal): Likewise.
2768 * genopinit.c (fatal): Likewise.
2770 * genoutput.c (fatal): Likewise.
2773 * genpeep.c (fatal): Likewise.
2775 * genrecog.c (fatal): Likewise.
2777 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
2778 deciding whether to declare `tree_node' and `rtx_def'.
2780 * hash.h: Don't define stuff we get from gansidecl.h.
2782 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
2783 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2784 whether to use ANSI variable args.
2787 * prefix.c (concat): Likewise.
2791 * system.h: Likewise.
2793 * toplev.c (error_with_file_and_line): Likewise.
2794 (error_with_decl): Likewise.
2795 (error_for_asm): Likewise.
2798 (warning_with_file_and_line): Likewise.
2799 (warning_with_decl): Likewise.
2800 (warning_for_asm): Likewise.
2801 (warning): Likewise.
2802 (pedwarn): Likewise.
2803 (pedwarn_with_decl): Likewise.
2804 (pedwarn_with_file_and_line): Likewise.
2806 (really_sorry): Likewise.
2808 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2809 whether to declare `tree_node' and `rtx_def'.
2811 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
2812 deciding whether to use ANSI variable args.
2813 (build_nt): Likewise.
2814 (build_parse_node): Likewise.
2816 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
2818 * version.c: Bump for snapshot.
2820 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2822 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
2824 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
2826 * collect2.c (main, case 'b'): Use else if.
2828 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2830 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
2831 Arrange to include gansidecl.h in {ht}config.h & tm.h just
2832 before the config/ directory headers.
2833 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
2834 gansidecl.h in the list of dependencies.
2836 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
2837 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
2838 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
2839 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
2840 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
2841 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
2844 * cccp.c: Don't include gansidecl.h.
2846 * collect2.c: Likewise.
2847 * config/c4x/c4x.c: Likewise.
2848 * config/v850/v850.h: Likewise.
2849 * cppalloc.c: Likewise.
2850 * cpperror.c: Likewise.
2851 * cppexp.c: Likewise.
2852 * cppfiles.c: Likewise.
2853 * cpphash.c: Likewise.
2854 * cpplib.c: Likewise.
2855 * cppmain.c: Likewise.
2856 * cppulp.c: Likewise.
2857 * demangle.h: Likewise.
2858 * doprint.c: Likewise.
2859 * dyn-string.c: Likewise.
2860 * eh-common.h: Likewise.
2861 * fix-header.c: Likewise.
2862 * frame.c: Likewise.
2865 * gen-protos.c: Likewise.
2866 * gencheck.c: Likewise.
2867 * halfpic.h: Likewise.
2869 * machmode.h: Likewise.
2870 * mbchar.c: Likewise.
2871 * prefix.c: Likewise.
2872 * protoize.c: Likewise.
2873 * recog.h: Likewise.
2875 * scan-decls.c: Likewise.
2877 * varray.h: Likewise.
2879 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
2881 * i386.md (call_value_pop): If we're not popping anything,
2882 defer to call_value.
2883 (call_pop): Likewise defer to call.
2885 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
2887 * function.c (purge_addressof): Clear purge_addressof_replacements
2888 only after processing the whole function.
2890 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
2892 * reload1.c (reload): If we can not perform a particular elimination
2893 when we thought we could earlier, then we must always iterate through
2894 the loop at least one more time.
2896 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
2898 * alpha.c (add_operand): Simplify the CONST_INT match.
2899 (sext_add_operand): Correct typo in comparison by using
2900 CONST_OK_FOR_LETTER_P.
2901 * alpha.md (s?addq): Use sext_add_operand to allow the negative
2902 constant alternatives to be generated.
2903 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
2904 small constants, since the hw instructions do.
2906 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2908 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
2909 previous insn to store directly into our reload register, make sure
2910 that if the source of the previous insn is a reload register, its
2911 spill_reg_store and spill_reg_stored_to values are cleared.
2913 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
2915 * rs6000.md (floatunssidf2_internal splitter): Use base register
2916 operand, not hard-coded SP.
2918 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2920 * jump.c (calculate_can_reach_end): Fix thinko.
2922 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
2924 * reorg.c (fill_simple_delay_slots): Fix typo.
2926 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
2928 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
2930 * i386.md (extendsidi2): Use # in the output template.
2931 (extendsidi splitters): New splitters.
2933 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
2935 * configure.in: Use unknown-elf.h as tm_file for arm-elf
2937 * configure: Regenerate.
2939 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2941 * jump.c (init_label_info, delete_barrier_successors,
2942 mark_all_labels, delete_unreferenced_labels,
2943 delete_noop_moves, calculate_can_reach_end): New functions broken
2944 out of jump_optimize.
2945 (jump_optimize): Use them.
2947 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2949 * except.c (expand_fixup_region_end): Make sure outer context labels
2950 are not issued in an inner context during cleanups.
2952 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
2954 * alpha.md (addsi3, subsi3): No new temporaries once cse is
2957 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
2959 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
2960 to expose this midpoint to CSE.
2962 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2964 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
2966 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2968 * configure.in: Bring over gcc2 change of Nov 19 1997.
2970 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
2972 * toplev.c (output_lang_identify): Make definition dependent on
2973 ASM_IDENTIFY_LANGUAGE.
2975 * print-rtl.c (spaces): Make static.
2977 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
2979 * extend.texi: Clarify proper uses for register clobbers in asms.
2981 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2983 * recog.h (enum op_type): Define.
2984 (constrain_operands): Adjust prototype.
2985 (recog_op_type): Declare new variable.
2986 * recog.c (recog_op_type): New variable.
2987 (insn_invalid_p): Allow modifying an asm statement after reload.
2988 (extract_insn): Set up recog_op_type.
2989 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
2990 Don't compute operand types, use recog_op_type.
2991 Use the information computed by extract_insn instead of the previous
2992 method of finding it by insn code number.
2993 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
2994 * reorg.c (fill_slots_from_thread): Likewise.
2995 * reload1.c (reload_as_needed): Likewise.
2996 (gen_reload): Likewise.
2997 (inc_for_reload): Likewise.
2998 (reload_cse_simplify_operands): Likewise.
2999 Use the information computed by extract_insn instead of the previous
3000 method of finding it by insn code number.
3001 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
3003 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
3004 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
3005 Use the information computed by extract_insn instead of the previous
3006 method of finding it by insn code number.
3007 * regmove.c (find_matches): Likewise. Change meaning of the return
3008 value to be nonzero if the optimization can be performed, zero if
3009 not. All callers changed.
3010 Shorten some variable names to fix formatting problems.
3011 (regmove_optimize): Shorten some variable names to fix formatting
3013 Use the information computed by extract_insn instead of the previous
3014 method of finding it by insn code number.
3015 * regclass.c (scan_one_insn): Likewise.
3016 (record_reg_classes): Don't compute operand types, use recog_op_type.
3017 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
3018 recog_constraints instead.
3020 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
3022 * rtl.h (flow2_completed): Declare.
3023 * flow.c (flow2_completed): Definition.
3024 * toplev.c (rest_of_compilation): Set and clear flow2_completed
3027 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
3029 * Makefile.in (libcpp.a): Ranlib libcpp.a
3031 * cppulp.c (user_label_prefix): Initialize.
3033 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
3035 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
3036 at a RETURN if current_function_sp_is_unchanging is set.
3038 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3040 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
3042 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
3044 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
3045 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
3046 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
3047 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
3048 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
3049 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
3051 (LIB_SPEC): Handle -mno-cyginw option.
3052 (LINK_SPEC): Handle -mdll.
3054 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3056 * reload.c (find_reloads): Fix test for usage by other reload
3057 to handle secondary reloads properly.
3059 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3061 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
3062 intermediate structure which has exactly the members provided by
3063 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
3064 static intermediate structure.
3066 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
3067 from the intermediate structure. Do the same analogous fix in
3068 the case where ELIMINABLE_REGS is not defined.
3070 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
3072 * pa.h (SELECT_SECTION): Fix thinko.
3074 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
3076 * dwarf2out.c (output_call_frame_info): Comments on last change.
3078 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
3080 * arm.c (add_constant): When taking the address of an item in the
3081 pool, get the mode of the item addressed.
3083 * arm.c (final_prescan_insn case INSN): If an insn doesn't
3084 contain a SET or a PARALLEL, don't consider it for conditional
3087 Restore ABI compatibility for NetBSD.
3088 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
3090 (RETURN_IN_MEMORY): Likewise.
3092 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
3094 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
3095 (m32r_output_block_move): Rewrite bytes < 4 handling.
3097 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3099 * configure.in: Call AC_FUNC_VFORK.
3101 * collect2.c: Define VFORK_STRING as a printable string for
3102 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
3103 defined, include vfork.h. If VMS is defined, define vfork()
3104 appropriately. Remove vfork check on USG, we're using autoconf.
3105 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
3106 checking locally what string to pass.
3107 (scan_prog_file): Likewise.
3108 (scan_libraries): Likewise.
3110 * gcc.c: Remove vfork check on USG, we're using autoconf.
3111 Besides, no calls to vfork/fork occur in this file.
3113 * protoize.c: Likewise.
3115 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3117 * configure.in (DEFAULT_LINKER): renamed from LD
3118 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
3119 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
3120 * configure: rebuilt
3122 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3124 * BUGS: fix the regexp for `more' to find the appropriate node.
3125 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
3127 * BUGS: added link to the WWW FAQ
3129 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
3131 * version.c: Bump for snapshot.
3133 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
3135 * From Christian Gafton:
3136 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
3137 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
3138 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
3140 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
3142 * c-common.c (c_get_alias_set): Allow all type-punning through
3143 unions. Don't get confused about the type of a bit-field, despite
3144 the antics of build_modify_expr.
3146 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
3148 * fixinc.sco: Paramaterize #include_next values.
3149 * fixinc/fixinc.sco: Likewise.
3151 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
3153 * toplev.c (rest_of_compilation): No longer set reload_completed.
3154 * reload1.c (reload): Set it here. Perform instruction splitting
3155 after reload has completed if we will be running the scheduler
3158 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
3160 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
3161 EH region if exceptions are enabled and we're performing cross
3163 (find_cross_jump): Exit loop if the insns are in different EH regions.
3165 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
3167 * dwarf2out.c (output_call_frame_info): Use
3168 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
3170 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3172 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
3173 * c-common.c (check_format_info): Don't check for the 'x'
3174 format character twice, instead check for 'x' and 'X'
3176 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
3178 * configure.in (assembler features): Also make gas is configured if
3179 we find it in the souce tree.
3181 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
3183 * i386.c (i386_comp_type_attributes): Compare whether the
3184 attributes are defined, not their tree nodes.
3186 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3188 * configure.in (gxx_include_dir): bitten by autoconf quoting
3190 * configure: rebuilt
3192 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3194 * configure.in: Ignore non-absolute value in $AS.
3196 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
3198 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
3200 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
3202 * configure.in (msdosdjgpp): Set exeext and target_alias.
3204 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3206 * flow.c (XNMALLOC): New macro.
3207 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
3209 (add_edge, add_edge_to_label): New static functions.
3210 (free_bb_memory): New function.
3211 (flow_delete_insn): Delete function.
3212 (basic_block_drops_in): Delete variable.
3213 (find_basic_blocks): Allocate and initialize basic_block_head,
3214 basic_block_succ. Don't allocate basic_block_drops_in.
3215 Call free_bb_memory at the beginning.
3216 (find_basic_blocks_1): Don't do multiple passes.
3217 Delete code to compute basic_block_drops_in.
3218 After calling make_edges, mark blocks reached by current block live.
3219 Update test for unreachable live blocks.
3220 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
3222 Simplify to call add_edge_to_label when a LABEL_REF is found.
3223 (make_edges): Simplify to call add_edge_to_label instead of
3224 mark_label_ref most of the time.
3225 Compute here whether control drops into the next block.
3226 (delete_unreachable_blocks): Return void. All callers changed.
3227 Delete unreachable blocks in reverse order.
3228 After deleting all unreachable blocks, renumber the remaining ones
3229 and update n_basic_blocks.
3230 (delete_block): Speed up deletion a bit.
3231 Don't set basic_block_drops_in for deleted blocks.
3232 (free_basic_block_vars): Don't free basic_block_drops_in.
3233 (life_analysis_1): Update to use new edge representation.
3234 (dump_flow_info): Delete code to print basic block info; call
3235 dump_bb_data instead.
3236 (compute_preds_succs): Delete code to recompute basic_block_drops_in
3237 and uid_block_number.
3238 Simply copy the previously computed cfg.
3239 (dump_bb_data): New arg LIVE_INFO. All callers changed.
3240 Print register lifetime information if LIVE_INFO is nonzero.
3241 * basic-block.h (dump_bb_data): Adjust prototype.
3242 * gcse.c (gcse_main): Update call to dump_bb_data.
3243 * rtl.h (free_bb_memory): Declare.
3244 * toplev.c (rest_of_compilation): Call free_bb_memory.
3246 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
3247 (update_eliminable_offsets): Don't compute it.
3248 (set_initial_elim_offsets): Don't initialize it.
3249 Break out some code into set_initial_label_offsets so the rest of
3250 this function can be called from reload_as_needed.
3251 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
3252 ELIMINABLE_REGS isn't.
3253 (set_initial_label_offsets): New function, broken out of
3254 set_initial_elim_offsets.
3255 (set_offsets_for_label): New function, broken out of set_label_offsets
3256 and reload_as_needed.
3257 (reload): Call the two new functions.
3258 (reload_as_needed): Call set_initial_elim_offsets instead of
3259 duplicating the code. Likewise for set_offsets_for_label.
3261 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
3262 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
3263 any hard reg, reg_reloaded_dead contains valid data.
3265 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
3267 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
3268 "stdcall" and "cdecl" attributes.
3270 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
3272 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
3273 handle deleted no-op moves of hard registers.
3274 * haifa-sched.c (update_flow_info): Likewise.
3276 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
3278 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
3279 of the sequences to reload the HILO register which do not actually
3282 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
3284 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
3286 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
3288 * except.c (emit_eh_context): Make the EH context register stay alive
3289 at -O0 so stupid.c doesn't get confused.
3291 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3293 * emit-rtl.c (try_split): Do not try to split a BARRIER.
3295 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
3296 Jeffrey A Law (law@cygnus.com)
3298 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
3299 (zero_extendsidi2): Use # in output template and handle completely by
3301 (zero_extend splitters): New define_splits.
3302 (ashiftrt_32): New pattern.
3304 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3306 * tree.c (append_random_chars): New fn.
3307 (get_file_function_name_long): Use it.
3309 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
3311 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
3312 (LIBCPP_OBJS): New. Add cppulp.o.
3313 (cppmain, fix-header): Depend on and use libcpp.a.
3314 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
3315 of the individual object files.
3316 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
3319 * cccp.c (user_label_prefix): New.
3320 (main): Set it off -f*leading-underscore.
3321 (special_symbol): Use it.
3322 * cpplib.c (special_symbol): Likewise.
3323 (cpp_handle_option): Handle -f*leading-underscore.
3324 * cppulp.c: New file.
3326 * output.h (user_label_prefix): Declare it.
3327 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
3328 * toplev.c (f_options, main): Handle -f*leading-underscore.
3330 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
3331 referencing USER_LABEL_PREFIX directly.
3332 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
3333 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
3334 * final.c (asm_fprintf): Use user_label_prefix instead.
3335 * arm/thumb.c (thumb_print_operand): Likewise.
3337 * gcc.c (default_compilers): Pass -f*leading-underscore on to
3338 cpp wherever appropriate.
3340 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
3342 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
3343 specific compiler switches.
3345 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
3347 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
3350 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3352 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
3353 structure which has exactly the members provided by EXTRA_SPECS.
3354 Xmalloc() the real `extra_specs', and initialize it from this
3355 intermediate structure.
3357 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
3359 * mips.h (EXTRA_SPECS): Likewise.
3361 * sparc.h (EXTRA_SPECS): Likewise.
3363 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3365 * function.c (purge_addressof_1): Instead of aborting when a
3366 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
3367 work just put the ADDRESSOF on stack. Otherwise remember all such
3368 successfull replacements, so that exactly the same replacements
3369 can be made on the REG_NOTEs. Remove the special case for CALL
3371 (purge_addressof_replacements): New variable.
3372 (purge_addressof): Clear it at end.
3374 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3376 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
3377 (lang_init): Call check_newline always.
3378 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
3379 cpp_start_read, set yy_cur and yy_lim to read from
3380 parse_in.token_buffer, so that we'll see the first #line
3382 * cpplib.c (cpp_start_read): finclude the main input file
3383 before processing -include/-imacros. Process -imacros and
3384 -include separately, and handle -include by stacking a
3385 buffer for the file in question as if it'd been #included.
3386 * toplev.c (documented_lang_options) Recognize -H when
3389 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3391 * cpplib.c: Merge do_once into do_pragma. Break file handling
3392 code out of do_include.
3393 Move append_include_chain, deps_output,
3394 file_cleanup, redundant_include_p, import_hash,
3395 lookup_import, add_import, read_filename_string, read_name_map,
3396 open_include_file, finclude, safe_read to cppfiles.c.
3397 Move prototypes for deps_output, append_include_chain,
3398 finclude to cpplib.h. Move definition of struct
3399 file_name_list there also.
3401 * cppfiles.c: New file. Contains all the above functions
3402 broken out of cpplib.c; also hack_vms_include_specification
3403 from cccp.c and find_include_file, a new function broken out of
3406 * Makefile.in (cppmain): Depend on cppfiles.o.
3407 (fix-header): Likewise.
3408 (cppfiles.o): New target.
3409 * configure.in (--enable-c-cpplib): Add cppfiles.o to
3410 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
3412 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
3414 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
3415 if pending_types is non-zero.
3416 (dwarfout_finish): Verify pending_types is zero before finishing.
3418 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
3420 * expr.c (convert_move): Use shifts to perform the move if a
3421 suitable extend pattern cannot be found. Code written by
3422 Richard Henderson <rth@cygnus.com>.
3424 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3426 * regclass.c (renumber, regno_allocated): New static variables, moved
3427 out of allocate_reg_info.
3428 (allocate_reg_info): Move these two variables outside the function.
3429 Move code to free memory into new function free_reg_info.
3430 (free_reg_info): New function, broken out of allocate_reg_info.
3431 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
3432 * rtl.h (allocate_reg_info): Don't declare.
3433 (free_reg_info): Declare.
3435 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
3437 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
3439 * toplev.c (compile_file): Temporarily revert last change.
3441 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3443 * c-typeck.c (convert_for_assignment): Parenthesize.
3445 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3447 * reload1.c (delete_output_reload): Avoid ambigous else.
3449 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
3451 * toplev.c (compile_file): Call allocate_reg_info to free register
3453 * rtl.h (allocate_reg_info): Declare.
3455 * PROJECTS: Remove entry for local spilling.
3457 * final.c (cleanup_subreg_operands): New function.
3458 (final_scan_insn): Use it.
3459 (alter_subreg): Clear the "used" field when we turn a SUBREG into
3461 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
3462 operands when reload has finished.
3463 * reload.h (cleanup_subreg_operands): Declare..
3464 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
3465 reload. Handled in reload itself.
3467 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3469 * reload1.c (verify_initial_offsets): New function.
3470 (reload): Call it after reload_as_needed. Also verify that the frame
3471 size stays constant during reload_as_needed.
3472 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
3474 * reload.h (struct insn_chain): Add need_operand_change element.
3475 * reload1.c (new_insn_chain): Clear it.
3476 (calculate_needs_all_insns): Set it; don't overload need_reload.
3477 (reload_as_needed): Use it.
3479 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
3480 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
3481 and reload_address_index_reg_class.
3482 (find_reloads_address_1): Likewise.
3483 * reload.h (reload_address_base_reg_class,
3484 reload_address_index_reg_class): Don't declare.
3485 * reload1.c (reg_old_renumber, pseudo_previous_regs,
3486 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
3487 (used_spill_regs): Now static.
3488 (reload_address_base_reg_class, reload_address_index_reg_class,
3489 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
3490 basic_block_needs, max_needs, group_size, group_mode, max_groups,
3491 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
3494 (init_reload): Delete code to compute base/index reg classes.
3495 (reload): Delete variable J.
3496 Delete code to manage basic_block_needs.
3497 Don't compute regs_explicitly_used.
3498 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
3499 pseudo_previous_regs.
3500 Initialize bad_spill_regs_global.
3501 Don't call order_regs_for_reload here.
3502 Don't initialize spill_reg_order and n_spills.
3503 Don't forbid explicitly used regs to be used for spill regs.
3504 Change main loop to infinite loop, with explicit break statements.
3505 Make SOMETHING_CHANGED variable local to that loop.
3506 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
3507 max_groups_insn, max_nongroups_insn, group_size, group_mode.
3508 Make sure spilled_speudos is cleared before calling spill_hard_reg or
3510 Don't call dump_needs.
3511 Delete code to reset potential_reload_regs.
3512 Delete code to terminate loop conditional on the global needs variables
3513 showing no further needs.
3514 (calculate_needs_all_insns): Return void. All callers changed.
3515 Initialize somehing_needs_elimination here, not in reload.
3516 Delete avoid_return_reg kludge.
3517 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
3518 All callers changed.
3519 Initialize the group_mode and group_size elements of the arg CHAIN.
3520 Delete code to manage basic_block_needs.
3521 Operate on elements of CHAIN instead of global variables.
3522 Delete avoid_return_reg kludge.
3523 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
3524 All callers changed.
3525 Operate on elements of CHAIN instead of global variables.
3526 Delete special SMALL_REGISTER_CLASSES code.
3527 Delete spill_failure code; now in new_spill_reg.
3528 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
3529 All callers changed.
3530 Operate on elements of CHAIN instead of global variables.
3531 (maybe_mark_pseudo_spilled): New static function.
3532 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
3533 All callers changed.
3534 Operate on elements of CHAIN instead of global variables.
3535 Call order_regs_for_reload here, not in reload.
3536 Initialize spill_reg_order and n_spills.
3537 Simplify test whether an asm insn is involved.
3538 Delete spill_failure code; now in new_spill_reg.
3539 Call maybe_mark_pseudo_spilled for everything marked as live in
3540 CHAIN. Merge CHAIN's used_spill_regs into the global variable
3542 (dump_needs): Take CHAIN arg. No longer static, to prevent the
3543 compiler from optimizing this function (now unused) away.
3544 Operate on elements of CHAIN instead of global variables.
3545 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
3547 Operate on elements of CHAIN instead of global variables.
3548 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
3549 take CHAIN arg. All callers changed.
3550 Operate on elements of CHAIN instead of global variables.
3551 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
3552 CHAIN, NONGROUP args. Return void. All callers changed.
3553 Verify caller isn't trying to spill a pseudo.
3554 Simplify test for illegal reg, just use bad_spill_regs.
3555 Generate better error messages.
3556 Operate on elements of CHAIN instead of global variables.
3557 Mark spilled register in CHAIN's used_spill_regs element.
3558 Don't call spill_hard_reg.
3559 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
3560 Mark spilled hard regs in bad_spill_regs_global.
3561 Mark affected pseudos in spilled_pseudos, but don't spill them.
3562 (ior_hard_reg_set): New static function.
3563 (finish_spills): Return int. All callers changed.
3564 Compute spill_reg_order, n_spills and spill_regs here. Also update
3565 regs_ever_live for regs used as spills.
3566 For every pseudo in spilled_pseudos, spill it and mark the previous
3567 hard reg it had in pseudo_previous_regs. Compute which hard regs
3568 arseudo): New static function.
3569 (order_regs_for_reload): Take CHAIN arg. All callers changed.
3570 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
3571 hard registers explicitly used across the current insn into the set.
3572 Compute hard_reg_n_uses taking only pseudos live across this insn
3574 Tweak sorting of potential_reload_regs.
3575 (compare_spill_regs): Delete function.
3576 (reload_as_needed): Don't sort the spill_regs array, it's computed
3577 in proper order in finish_spills.
3578 Delete avoid_return_reg kludge.
3579 Delete code to manage basic_block_needs.
3580 (allocate_reload_reg): Minor speed/readability tweaks.
3581 Operate on elements of CHAIN instead of global variables.
3582 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
3583 Delete avoid_return_reg kludge.
3584 Initialize reload_reg_used from CHAIN's used_spill_regs element.
3585 Delete unused label FAIL.
3586 (reload_combine): Replce reload_address_index_reg_class with
3588 Don't use used_spill_regs to determine information about lifetime of
3591 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
3593 * toplev.c (display_help): Ignore empty target specific
3594 options, and if -W is also specified on the command line then
3595 display undocumented options.
3597 * config/arm/arm.c: Updated with changes in devo sources.
3598 * config/arm/arm.h: Updated with changes in devo sources.
3599 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
3600 * config/arm/lib1thumb.asm: Add ELF support.
3602 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
3604 * collect2.c (aix64_flag): New variable.
3605 (main, case 'b'): Parse it.
3606 (GCC_CHECK_HDR): object magic number must match mode.
3607 (scan_prog_file): Only check for shared object if valid header.
3608 Print debugging if header/mode mismatch.
3610 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
3612 Added support for arm-elf-linux configuration, submitted by Philip
3613 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
3614 code developed by Catherine Moore <clm@cygnus.com>. The following
3617 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
3620 * configure: Regenerated.
3622 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
3623 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
3624 definitions conditional on their not having been already defined.
3626 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
3627 and .type directives, and add "(PLT)" qualification to function
3630 * config/arm/linux.h: Deleted. This file is now superceeded by
3631 either linux-elf.h or linux-aout.h.
3633 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
3634 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
3636 Move definitions from old linux.h file here.
3638 * config/arm/elf.h: New file. Generic ARM/ELF support.
3640 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
3642 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
3644 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
3645 using the 26bit APCS.
3647 * config/arm/unknown-elf.h: New file. Support for OS'es other
3648 than Linux with ELF.
3650 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
3653 * config/arm/coff.h: Include aout.h for basic assembler macros.
3654 Add support for -mstructure_size_boundary=<n> command line option.
3656 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
3657 command line option. Make macro definitions conditional on their
3658 not having been already defined.
3660 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
3661 command line option.
3664 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
3666 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
3667 has been changed to not include a newline. Use this macro instead.
3668 (output_enumeral_list, const_value_attribute, name_attribute,
3669 comp_dir_attribute, prototyped_attribute, producer_attribute,
3670 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
3671 dwarfout_file_scope_decl, generate_new_sfname_entry,
3672 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
3673 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
3675 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
3677 * combine.c (subst): Process the inputs to a parallel asm_operands
3680 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
3682 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
3684 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
3686 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
3688 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
3690 * version.c: Bump for snapshot.
3692 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
3694 * stmt.c (expand_fixup): Set fixup->before_jump to a
3695 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
3697 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3699 * Makefile.in (recog.o): Depend on toplev.h.
3700 (insn-emit.o): Depend on recog.h.
3701 (insn-peep.o): Depend on recog.h and insn-config.h.
3703 * combine.c (simplify_set): Remove unused variable `scratches'.
3705 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
3706 and `idx' in macro conditional controlling their use.
3708 * genemit.c (main): Make the generated output file include
3709 recog.h. Don't have it declare `insn_operand_constraint', since
3710 we get it from recog.h.
3712 * genpeep.c (main): Make the generated output file include
3713 insn-config.h and recog.h.
3715 * recog.c: Include toplev.h.
3716 (extract_insn): Remove unused variable `p'.
3718 * regclass.c (fix_register): Add missing braces around initializer
3720 (allocate_reg_info): Move variable `i' into the scope where it is
3721 used. Change its type to `size_t'.
3723 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3725 * reload.c (push_reload): When merging reloads, make sure
3726 that reload_in_reg and reload_in are from the same reload in
3729 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
3731 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
3732 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
3734 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
3736 * loop.c (loop_has_tablejump): New variable.
3737 (prescan_loop): Scan for it.
3738 (insert_bct): Replace explicit scan with use of it.
3739 * regclass.c (regclass): Restore loop variable j.
3740 (record_reg_classes): Deterine op_types modifiers and initialize
3741 classes[i] before matching constraints. Handle matching
3744 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
3746 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
3749 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3751 * mips.h (EXTRA_SPECS): Add missing initializers.
3753 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3755 * sparc.h (EXTRA_SPECS): Add missing initializers.
3756 (sparc_defer_case_vector): Provide a prototype.
3758 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
3759 comparing it to the result of a pointer subtraction.
3761 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3763 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
3764 the argument to (unsigned char).
3766 * alpha.h (EXTRA_SPECS): Add missing initializers.
3767 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
3770 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
3772 * flow.c (life_analysis_1): Enable "rescan" code after reload.
3773 (propagate_block): Delete dead code after reload.
3775 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
3776 back Oct 15, 1998 change.
3777 * haifa-sched.c (update_flow_info): Likewise.
3778 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
3780 * mn10200.md (truncated shift): Accept constant inputs too.
3782 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
3784 * machmode.h (mode_mask_array): No longer const.
3785 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
3787 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3789 * frame.c: Somewhat explain `FDE'.
3790 Suggested by Brendan Kehoe
3792 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
3794 * expr.c (pending_chain): Move up.
3795 (save_expr_status): Do save pending_chain.
3796 (restore_expr_status): And restore it.
3797 * function.h (struct function): Add pending_chain.
3799 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3801 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
3802 did not match the code.
3804 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3806 * regclass.c (regclass): Break out some code into new function
3807 scan_one_insn, and into regclass_init.
3808 (init_cost): New static variable, moved out of regclass.
3809 (regclass_init): Initialize it here, not in .
3810 (scan_one_insn): New static function, broken out of regclass.
3811 * recog.c (apply_change_group): Break out some code into new
3812 function insn_invalid_p.
3813 (insn_invalid_p): New static fn, broken out of apply_change_group.
3815 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
3817 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
3818 reg_reloaded_contents matches incremented pseudo.
3820 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
3822 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3824 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
3825 addressing modes with side effects. These are currently
3826 placeholders for the C4x target.
3828 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3830 * loop.c (express_from): Make sure that when generating a PLUS of
3831 a PLUS, any constant expression appears on the outermost PLUS.
3833 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
3835 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
3836 works if "$(srcdir)" != ".".
3838 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
3840 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
3841 existing SUBREG if we can, otherwise abort.
3843 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
3845 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
3846 `restrict' is applied to a non-pointer variable.
3848 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
3850 * invoke.texi: Document -flang-isoc9x.
3852 * Makefile.in (OBJS): Add splay-tree.o.
3853 (c-common.o): Depend on rtl.h.
3854 (splay-tree.o): List dependencies and provide build rule.
3856 * rtl.h (record_alias_subset): New function.
3857 * alias.c: Include splay-tree.h.
3858 (alias_set_entry): New type.
3859 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
3860 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
3861 (mems_in_disjoin_alias_sets_p): New function.
3862 (alias_set_compare): Likewise.
3863 (insert_subset_children): Likewise.
3864 (get_alias_set_entry): Likewise.
3866 * tree.h (TYPE_RESTRICT): New macro.
3867 (TYPE_UNQUALIFIED): New manifest constant.
3868 (TYPE_QUAL_CONST): Likewise
3869 (TYPE_QUAL_VOLATILE): Likewise.
3870 (TYPE_QUAL_RESTRICT): Likewise.
3871 (tree_type): Add restrict_flag. Reduce count of free bits.
3872 (DECL_POINTER_ALIAS_SET): New macro.
3873 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
3874 (tree_decl): Add pointer_alias_set.
3875 (build_qualified_type): New function.
3876 (build_type_variant): Define in terms of build_qualified_type.
3877 * tree.c (set_type_quals): New function.
3878 (make_node): Initializae DECL_POINTER_ALIAS_SET.
3879 (build_type_attribute_variant): Use build_qualified_type and
3881 (build_type_variant): Rename, and modify, to become...
3882 (build_qualified_type): New function.
3883 (build_complex_type): Use set_type_quals.
3885 * c-tree.h (C_TYPE_OBJECT_P): New macro.
3886 (C_TYPE_FUNCTION_P): Likewise.
3887 (C_TYPE_INCOMPLETE_P): Likewise.
3888 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
3889 (c_apply_type_quals_to_decl): New function.
3890 (c_build_qualified_type): New function.
3891 (c_build_type_variant): Define in terms of c_build_qualified_type.
3892 (flag_isoc9x): Declare.
3893 * c-typeck.c (qualify_type): Use c_build_qualified_type.
3894 (common_type): Change to use TYPE_QUALS.
3895 (comptypes): Likewise.
3896 (convert_for_assignment): Likewise.
3897 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
3898 * c-decl.c (flag_isoc9x): Define.
3899 (c_decode_option): Handle -flang-isoc9x.
3900 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
3901 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
3902 * c-lex.c (init_lex): Deal with restrict.
3903 (init_lex): Don't treat restrict as a reserved word in
3904 -traditional mode, or without -flang-isoc9x.
3905 * c-lex.h (rid): Add RID_RESTRICT.
3906 * c-parse.gperf (restrict, __restrict, __restrict__): Make
3907 equivalent to RID_RESTRICT.
3908 * c-parse.in (TYPE_QUAL): Update comment.
3909 * c-common.c: Include rtl.h.
3910 (c_find_base_decl): New function.
3911 (c_build_type_variant): Rename, and modify, to become ...
3912 (c_build_qualified_type): New function.
3913 (c_apply_type_quals_to_decl): Likewise.
3914 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
3915 a particular alias set for the reference.
3916 * toplev.c (documented_lang_options): Add -flang-isoc9x.
3918 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
3920 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
3921 command line switches.
3923 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
3925 * reload.c (loc_mentioned_in_p): Add missing braces to bind
3928 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
3930 * gcc.c (option_map): Added --classpath and --CLASSPATH.
3932 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
3934 * regclass.c (fix_register): Add error message.
3935 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
3938 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3940 * c-decl.c (warn_missing_noreturn): New global variable.
3941 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
3942 (finish_function): Implement missing noreturn warning.
3944 * c-tree.h (warn_missing_noreturn): Declare extern.
3946 * invoke.texi: Document new flags.
3948 * toplev.c (documented_lang_options): Add description.
3950 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3952 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
3953 loop optimization stable for the C4x.
3954 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
3955 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
3956 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
3958 (c4x_address_conflict): Be more paranoid when packing a volatile
3959 memref in a parallel load/store.
3961 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3963 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
3964 repeat_block_filler): Deleted.
3965 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
3966 Condition code not set if destination register from 'c' class.
3967 (*subbqi3_carry_clobber): Fix typo.
3969 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3971 * reorg.c (steal_delay_list_from_target) Check for insns that
3972 modify the condition codes and effect the direction of the jump
3975 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3977 * function.c (purge_addressof_1): Replace call to
3978 emit_insns_before() with emit_insn_before().
3980 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
3982 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
3984 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3986 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
3988 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3990 * gcse.c (compute_hash_table): Correctly identify hard regs which are
3991 clobbered across calls.
3993 * loop.c (scan_loop): Be more selective about what invariants are
3994 moved out of a loop.
3996 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
3998 * version.c: Bump for snapshot.
4000 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
4002 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
4003 static eh_context structure.
4005 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4007 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
4009 (try_combine): Don't update max_scratch.
4010 * flow.c (max_scratch, num_scratch): Delete variables.
4011 (life_analysis_1): Don't initialize max_scratch.
4012 (propagate_block): Don't update max_scratch.
4013 (mark_set_1): Don't increment num_scratch.
4014 * regs.h (max_scratch): Delete declaration.
4016 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
4018 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
4019 is nonzero. This is temporary!
4021 * sched.c (update_flow_info): Handle death notes made invalid by
4022 instruction splitting. Partially reverts Oct 15, 1998 patch.
4023 * haifa-sched.c (update_flow_info): Likewise.
4025 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
4027 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
4028 if it has a nonzero DECL_INITIAL.
4030 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4032 * Makefile.in (flow.o): Depend on recog.h.
4034 * cpplib.h (directive_table): Add missing initializiers.
4035 (finclude): Change type of variable `bsize' to size_t.
4037 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
4039 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
4041 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
4042 `int' when comparing against one.
4043 (cpp_file_line_for_message): Mark parameter `pfile' with
4045 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
4047 * flow.c: Include recog.h.
4048 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
4050 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
4051 `f' with ATTRIBUTE_UNUSED.
4052 (reposition_prologue_and_epilogue_notes): Likewise.
4054 * genopinit.c (gen_insn): Cast argument of ctype functions to
4057 * haifa-sched.c: Include recog.h.
4058 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
4059 comparing against one.
4061 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
4063 * mips-tfile.c (parse_end): Cast the argument of ctype function to
4065 (parse_ent): Likewise.
4066 (parse_input): Likewise.
4068 * optabs.c (init_libfuncs): Likewise.
4070 * protoize.c (find_rightmost_formals_list): Likewise.
4072 * recog.h (const_double_operand): Fix typo in prototype.
4074 * tlink.c (scan_linker_output): Cast the argument of ctype
4075 function to `unsigned char'.
4077 * toplev.c (check_lang_option): Cast the result of `strlen' to
4078 `int' when comparing against one.
4080 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
4082 * gcse.c (dump_cuid_table): Correct typo.
4084 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
4086 * toplev.c (display_help): Prepend '-m' to target specific
4088 (check_lang_option): Ignore text after end of first word of a
4089 language specific option.
4091 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4093 * reload1.c (reg_used_by_pseudo): New static variable.
4094 (choose_reload_regs): Initialize it.
4095 Use it instead of testing spill_reg_order to determine whether a
4096 pseudo is live in a hard register across the current insn.
4097 Fix a typo in a reference to reload_reg_rtx.
4099 * flow.c (propagate_block): Replace code that computes and uses
4100 regs_sometimes_live with simpler code that just walks the set of
4101 currently live registers.
4103 * Makefile.in (insn-extract.o): Fix dependencies.
4104 * genextract.c (main): Generate includes for insn-config.h and
4106 Delete generation of declarations which are now in recog.h.
4107 * genrecog.c (main): Delete generation of definitions which are
4109 * local-alloc.c (block_alloc): Use extract_insn and the variables
4110 it sets up instead of looking up values by insn_code.
4111 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
4112 recog_dup_num): Define here instead of generating the definition in
4114 (recog_n_operands, recog_n_dups, recog_n_alternatives,
4115 recog_operand_mode, recog_constraints, recog_operand_address_p):
4117 (extract_insn): New function.
4118 * recog.h (extract_insn): Declare function.
4119 (which_alternative, recog_n_operands, recog_n_dups,
4120 recog_n_alternatives, recog_operand_mode, recog_constraints,
4121 recog_operand_address_p): Declare variables.
4122 * regclass.c (n_occurrences): New static function.
4123 * reload.c (n_occurrences): Delete function.
4124 (find_reloads): Use extract_insn.
4125 * reload.h (n_occurrences): Delete declaration.
4127 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
4129 * reload1.c (reload_as_needed): Fix test for when to call
4130 update_eliminable_offsets.
4132 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4134 Fix consistency problems with reg_equiv_{mem,address};
4135 Improve reload inheritance;
4137 * reload.c (reload_out_reg): New variable.
4138 (loc_mentioned_in_p, remove_address_replacements): New functions.
4139 (remove_replacements): Deleted.
4140 (push_reload): Set reload_out_reg[i].
4141 When merging, also set reload_{in,out}_reg[i], and remove
4142 duplicate address reloads.
4143 (combine_reloads): Copy reload_out_reg[i].
4144 (find_reloads): Do make_memloc substitution also when
4145 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
4147 Include *recog_operand_loc in commutativity operand changes.
4148 Generate optional output reloads.
4149 Delete reference to n_memlocs. Don't set *recog_operand_loc before
4150 processing operands. Call make_memloc in reg_equiv_address code.
4151 Set *recog_operand_loc only after processing operands, and only
4152 if replace is true. Return a value.
4153 When changing address reload types for operands that didn't get
4154 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
4155 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
4156 Don't emit USEs for pseudo SUBREGs when not replacing.
4157 (find_reloads_address): Do make_memloc substitution also when
4158 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
4160 (find_reloads_toplev): Likewise.
4161 Call make_memloc in reg_equiv_address code.
4162 (debug_reload_to_stream): Add code to output reload_out_reg.
4163 (make_memloc): Delete local variable i, ifdefed out code, and
4164 references to memlocs and n_memlocs.
4165 (memlocs, n_memlocs): Delete.
4166 (push_secondary_reload): Clear reload_out_reg.
4167 (find_reloads_address_1): Provide memrefloc argument to all calls
4168 to find_reloads_address.
4169 In AUTO_INC code, handle non-directly addressable equivalences properly.
4170 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
4171 (find_reloads): Add return type.
4172 (remove_address_replacements, deallocate_reload_reg): Declare.
4173 * reload1.c (num_not_at_initial_offset): No longer static.
4174 (delete_address_reloads, delete_address_reloads_1): Likewise.
4175 (deallocate_reload_reg): New function.
4176 (spill_reg_stored_to): New array.
4177 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
4178 (eliminate_regs_in_insn): Move assignments of previous_offset and
4179 max_offset fields, and recalculation of num_not_at_initial_offset
4180 into new static function:
4181 (update_eliminable_offsets) .
4182 (reload_as_needed): Call update_eliminable_offsetss after calling
4184 Call forget_old_reloads_1 with contents of reloaded auto_inc
4185 expressions if the actual addressing can't be changed to match the
4187 (choose_reload_regs): For inheritance, replace
4188 reload_reg_free_before_p test with reload_reg_used_at_all test, and
4189 remove stand-alone reload_reg_used_at_all test.
4190 Use reload_out_reg to determine which reload regs have output reloads.
4191 Treat reload_override_in more similar to inherited reloads.
4192 Handle (subreg (reg... for inheritance.
4193 For flag_expensive_optimizations, add an extra pass to remove
4194 unnecessary reloads from known working inheritance.
4195 Delete obsolete code for pseudos replaced with MEMs.
4196 Handle inheritance from auto_inc expressions.
4197 (emit_reload_insns): If reload_in is a MEM, set OLD to
4199 Don't reload directly from oldequiv; if it's a pseudo with a
4200 stack slot, use reload_in[j].
4201 Check that reload_in_reg[j] is a MEM before replacing reload_in
4202 from reg_reloaded_contents.
4203 Include non-spill registers in reload inheritance processing.
4204 Also try to use reload_out_reg to set spill_reg_store /
4205 reg_last_reload_reg.
4206 In code to set new_spill_reg_store, use single_set to find out if
4207 there is a single set.
4208 Add code that allows to delete optional output reloads.
4209 Add code to allow deletion of output reloads that use no spill reg.
4210 At the end, set reload_override_in to oldequiv.
4211 Also call delete_output_reload if reload_out_reg is equal to old
4213 Add code to call delete_output_reload for stores with no matching load.
4214 Set / use spill_reg_stored_to.
4215 Handle case where secondary output reload uses a temporary, but
4216 actual store isn't found.
4217 When looking for a store of a value not loaded in order to call
4218 delete_output_reload, count_occurences should return 0 for no
4219 loads; but discount inherited input reloadill_reg_stored_to.
4220 Do checks for extra uses of REG. Changed all
4222 Use delete_address_reloads.
4223 (reload): Take return value of find_reloads into account.
4224 If a no-op set needs more than one reload, delete it.
4225 (reload_reg_free_before_p): RELOAD_FOR_INPUT
4226 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
4227 for the same operand.
4228 (clear_reload_reg_in_use): Check for other reloads that keep a
4230 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
4231 RELOAD_FOR_OPADDR_ADDR.
4232 Take into account when an address address reload is only needed
4233 for the address reload we are considering.
4234 (count_occurrences): Use rtx_equal_p for MEMs.
4235 (inc_for_reload): Return instruction that stores into RELOADREG.
4236 New argument two, IN, and rtx. Changed all callers.
4237 (calculate_needs_all_insns, reload_as_needed):
4238 Don't clear after_call for a CLOBBER.
4239 Keep track of how many hard registers need to be copied from
4240 after_call, and don't clear after_call before we have seen
4241 that much copies, or we see a different instruction.
4243 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
4245 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
4246 after reload has completed.
4248 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
4250 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
4251 a macro name and the next token with a single blank if that whitespace
4252 is in a macro buffer and the next token is not '('.
4254 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
4256 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
4258 (skip_if_group): Ditto.
4259 (skip_to_end_of_comment): Ditto.
4261 (discard_comments): Ditto.
4262 (change_newlines): Ditto.
4264 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
4266 * c-lex.c (yylex): Fix unaligned access of wchar_t.
4268 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
4270 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
4271 (TARGET_OPTIONS): Add --help documentation.
4273 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4275 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
4277 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
4279 * fixinc/* Moved in from ../contrib directory in preparation
4280 for integrating it into the normal build process. In particular,
4281 fixinc/Makefile.in must be config-ed into the build directory
4282 as fixinc/Makefile. Proposed patches to ./Makefile.in and
4283 ./configure.in will be "in the mail" momentarily.
4285 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
4287 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
4288 accidently walk into the free list. Comment how that can happen.
4289 (invalidate): Fix indentation.
4291 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4292 Jeffrey A Law (law@cygnus.com)
4294 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
4295 reload. Never perform rescans of the insn chain after reload.
4296 (propagate_block): Do not delete insn or create new autoinc addressing
4299 * jump.c (jump_optimize): Unconditionally use the code that was
4300 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
4301 * reload1.c (reload): When reloading is finished, delete all
4302 REG_DEAD and REG_UNUSED notes.
4303 (emit_reload_insns): Delete all code that was conditional on
4304 PRESERVE_DEATH_INFO_REGNO_P.
4305 (no_longer_dead_regs): Delete variable.
4306 (reload_cse_delete_death_notes): Delete function.
4307 (reload_cse_no_longer_dead): Delete function.
4308 (reload_cse_regs_1): Delete all code to handle deletion of death
4310 (reload_cse_noop_set_p): Likewise.
4311 (reload_cse_simplify_set): Likewise.
4312 (reload_cse_simplify_operands): Likewise.
4313 (reload_cse_move2add): Likewise.
4314 * reorg.c (used_spill_regs): Delete declaration.
4315 (max_label_num_after_reload): Delete declaration.
4316 (find_dead_or_set_registers): Don't assume that spill regs are
4317 dead at a CODE_LABEL.
4318 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
4320 * sched.c (sched_analyze_insn): Likewise.
4321 (update_flow_info): Likewise.
4322 * haifa-sched.c (sched_analyze_insn): Likewise.
4323 (update_flow_info): Likewise.
4324 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
4325 * toplev.c (max_label_num_after_reload): Delete variable.
4326 (rest_of_compilation): Don't set max_label_num_after_reload.
4327 Call life_analysis after reload_cse_regs if optimizing.
4328 * config/gmicro/gmicro.h: Delete comment referring to
4329 PRESERVE_DEATH_INFO_REGNO_P.
4330 * config/i386/i386.h: Likewise.
4331 * config/m88k/m88k.h: Likewise.
4332 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
4333 * config/sh/sh.h: Likewise.
4335 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
4337 * loop.c (strength_reduce): Restore marking bct_p as
4339 * rs6000.c (optimization_options): Change #ifdef HAIFA to
4340 HAVE_decrement_and_branch_on_count.
4341 (small_data_operand): Remove TARGET_ELF condition for marking
4342 parameters ATTRIBUTE_UNUSED.
4344 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
4346 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
4347 (SELECT_SECTION): Resync with svr4.h.
4349 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
4351 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
4354 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
4356 * c-pragma.c (handle_pragma_token): Test for null tree before
4357 dereferencing TREE_CODE.
4359 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4361 * config/c4x/c4x.c: Convert to use GEN_INT.
4362 (c4x_parallel_process): Rework to handle new repeat loop structure.
4364 * config/c4x/c4x.md: Convert to use GEN_INT.
4365 (rptb_end): Convert to use GE test. Replace uses with clobbers.
4366 (decrement_and_branch_on_count): Likewise.
4368 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
4369 loop.c has the desired functionality.
4370 (rc_reg_operand): New prototype.
4372 * config/c4x/t-c4x: Can now build all front ends.
4374 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
4376 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
4378 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
4380 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
4381 * config/t-rtems: Do not install assert.h -- use newlib's.
4383 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4385 * combine.c (combine_instructions): When finished, call init_recog.
4386 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
4388 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
4390 * toplev.c: If flag_syntax_only, don't open or write assembler file.
4392 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4394 * cppalloc.c (memory_full): Mark function prototype with
4397 * demangle.h (collect_exit): Likewise.
4399 * fix-header.c (v_fatal, fatal): Likewise.
4401 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
4404 * gcov.c (print_usage): Likewise.
4406 * genattr.c (fatal, fancy_abort): Likewise.
4408 * genattrtab.c (fatal, fancy_abort): Likewise.
4410 * gencodes.c (fatal, fancy_abort): Likewise.
4412 * genconfig.c (fatal, fancy_abort): Likewise.
4414 * genemit.c (fatal, fancy_abort): Likewise.
4416 * genextract.c (fatal, fancy_abort): Likewise.
4418 * genflags.c (fatal, fancy_abort): Likewise.
4420 * genopinit.c (fatal, fancy_abort): Likewise.
4422 * genoutput.c (fatal, fancy_abort): Likewise.
4424 * genpeep.c (fatal, fancy_abort): Likewise.
4426 * genrecog.c (fatal, fancy_abort): Likewise.
4428 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
4429 __sjpopnthrow, __throw): Likewise.
4431 * objc/objc-act.c (objc_fatal): Likewise.
4433 * protoize.c (usage, aux_info_corrupted,
4434 declare_source_confusing): Likewise.
4436 * rtl.c (dump_and_abort): Likewise.
4438 * rtl.h (sets_cc0_p): Likewise.
4440 * toplev.c (float_signal, pipe_closed): Likewise.
4442 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4444 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
4445 when generating the decision tree for the general case.
4447 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
4448 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
4450 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4452 * Makefile.in (sched.o): Depend on recog.h.
4454 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
4455 (unsigned) when comparing against one.
4456 (find_base_value): Likewise.
4457 (record_base_value): Cast variable `regno' to (unsigned) when
4458 comparing against one. Cast the result of REGNO() macro to
4459 (unsigned) when comparing against one.
4460 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
4462 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
4463 variable where an unsigned index is needed.
4465 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
4466 before comparing against one.
4468 * collect2.c: Add prototypes for functions `error', `fatal' and
4469 `fatal_perror'. Make these functions take variable arguments
4470 instead of faking it with a fixed number of args.
4471 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
4474 * combine.c (can_combine_p): Mark parameter `pred' with
4476 (find_split_point): Cast variable `src' to (unsigned
4477 HOST_WIDE_INT) when comparing against one.
4478 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
4479 (simplify_logical): Likewise.
4480 (force_to_mode): Cast result of INTVAL() macro to (unsigned
4481 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
4482 HOST_WIDE_INT) in shift.
4483 (simplify_and_const_int): Cast result of INTVAL() macro to
4484 `unsigned HOST_WIDE_INT' when comparing against one.
4485 (merge_outer_ops): Cast variable const0 to `unsigned
4486 HOST_WIDE_INT' when comparing against the result of
4487 GET_MODE_MASK() macro.
4488 (simplify_comparison): Likewise for variable `c0'. Cast variable
4489 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
4490 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
4491 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
4492 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
4493 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
4494 comparing against one.
4495 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
4497 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
4498 macro to `unsigned HOST_WIDE_INT' when comparing against one.
4499 (output_block_move): Cast `sizeof' expression to (int) when
4500 comparing against one.
4501 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
4503 (save_restore_insns): Cast `base_offset' to `long' to match format
4504 specifier in fprintf.
4506 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
4507 to `enum machine_mode'.
4509 * flow.c (life_analysis_1): Remove unused variable `insn'.
4511 * gcc.c (translate_options): Move variables `j' and `k' into the
4512 scope in which they are used. Change their types to `size_t'.
4513 (set_spec): Cast the argument of ctype macro to `unsigned char'.
4514 (read_specs): Likewise.
4515 (process_command): Cast `sizeof' to (int) when comparing against one.
4516 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
4517 (handle_braces): Cast both sides of `==' expression to `long' to
4518 ensure sign matching.
4519 (main): Cast variable `i' to `int' when comparing against one.
4521 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
4522 int to size_t. Cast variable `i' to size_t when comparing against
4525 * genattrtab.c (convert_set_attr_alternative): Remove unused
4526 parameter `insn_code'. All callers changed.
4527 (convert_set_attr): Likewise.
4529 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
4530 size_t when comparing against one. Likewise for variable `len'.
4532 * global.c (global_alloc): Cast variable `max_regno' to size_t
4533 when comparing against one. Likewise for variable `max_allocno'.
4535 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
4537 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
4538 `set' with ATTRIBUTE_UNUSED.
4539 (find_free_reg): Cast `sizeof' expression to (int) when comparing
4542 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
4543 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
4544 (get_condition): Cast variable `const_val' to `unsigned
4545 HOST_WIDE_INT' when comparing against one. Cast unsigned
4546 expression to HOST_WIDE_INT when comparing against one.
4547 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
4548 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
4549 `unsigned' when comparing against one.
4551 * protoize.c (is_id_char): Change type of parameter `ch' to
4553 (munge_compile_params): Cast argument of ctype macro to (const
4555 (process_aux_info_file): Cast variable `aux_info_size' to int when
4556 comparing against one.
4557 (forward_to_next_token_char): Cast argument of ctype macro to
4558 `const unsigned char'.
4559 (edit_formals_lists): Likewise.
4560 (find_rightmost_formals_list): Likewise.
4561 (add_local_decl): Likewise.
4562 (add_global_decls): Likewise.
4563 (edit_fn_definition): Likewise.
4564 (do_cleaning): Likewise.
4565 (scan_for_missed_items): Likewise.
4566 (edit_file): Cast variable `orig_size' to (int) when comparing
4568 (main): Cast argument of ctype macro to `const unsigned char'.
4570 * recog.c (const_int_operand): Mark parameter `mode' with
4573 * regclass.c (record_reg_classes): Change type of variable `c' to
4574 `unsigned char'. Cast `char' array index to `unsigned char'.
4576 * reload.c (push_secondary_reload): Cast argument to
4577 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
4579 * reload1.c (calculate_needs): Cast `char' array index to
4581 (set_label_offsets): Change type of variable `i' to unsigned int.
4582 Cast result of XVECLEN() macro to unsigned when comparing against
4584 (mark_not_eliminable): Change type of variable `i' to unsigned.
4585 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
4586 when comparing against one.
4587 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
4588 comparing against one.
4589 (choose_reload_regs): Hide unused label `fail'.
4590 (reload_cse_simplify_operands): Cast `char' array index to
4592 (reload_combine_note_store): Mark parameter `set' with
4593 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
4595 (reload_cse_move2add): Remove unused variable `src2'.
4597 * sched.c: Include recog.h.
4598 (sched_note_set): Remove unused parameter `b'. All callers
4600 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
4601 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
4602 when comparing against one.
4604 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
4605 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
4606 comparing against one.
4608 * unroll.c (precondition_loop_p): Remove unused parameter
4609 `loop_end'. All callers changed.
4611 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4613 * reload1.c (maybe_fix_stack_asms): New static function.
4616 * reload.h (compute_use_by_pseudos): Declare.
4618 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
4619 (something_needs_reloads): Delete variable.
4620 (finish_spills): New function.
4621 (compute_use_by_pseudos): New function.
4623 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
4624 Use the reload_insn_chain instead of walking the rtl directly.
4626 (reload): Allocate and free spilled_pseudos.
4627 Ensure that all calls of spill_hard_reg are followed by a call to
4629 Use the insns_need_reload list instead of something_needs_reloads
4630 to find out if reload_as_needed must be called.
4631 Clear unused_insn_chains at the end.
4633 (calculate_needs_all_insns): Lose FIRST parameter. All callers
4635 Delete code to keep track of current basic block.
4636 Walk reload_insn_chain instead of the rtl structure. Build the
4637 insns_need_reload chain.
4638 Remember which insns need reloading/elimination by setting the
4639 appropriate fields in struct insn_chain, not by putting modes on the
4642 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
4643 arg INSN. All callers changed.
4644 Delete declaration of struct needs.
4645 Don't set something_needs_reloads.
4646 Record insn needs in the CHAIN argument.
4648 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
4650 (reload_as_needed): Lose FIRST arg. All callers changed.
4651 Walk the reload_insn_chain instead of the rtx structure.
4652 Delete code to keep track of current basic block.
4653 Rename one of the NEXT variables to OLD_NEXT.
4655 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
4657 (choose_reload_regs): Likewise.
4659 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
4662 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
4663 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
4664 (hard_regs_live, hard_regs_need_restore): Delete variables.
4665 (n_regs_saved): Now static.
4666 (referenced_regs, this_insn_sets): New variables.
4668 (setup_save_areas): Restructure the code a bit.
4670 (restore_referenced_regs): Delete function.
4671 (mark_referenced_regs): New function, similar to the old
4672 restore_referenced_regs, but mark registers in referenced_regs.
4674 (clear_reg_live): Delete function.
4675 (mark_set_regs): Renamed from set_reg_live. All callers changed.
4676 Only mark registers in this_insn_sets.
4678 (save_call_clobbered_regs): Rework this function to walk the
4679 reload_insn_chain instead of using the list of instructions directly.
4680 Delete code to keep track of register lives, compute live regs on the
4681 fly from information in the chain.
4682 Instead of calling restore_referenced_regs, use mark_referenced_regs,
4683 then walk the set it computes and call insert_restore as appropriate.
4685 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
4687 Restructure the code a bit. Test hard_regs_saved instead of
4688 hard_regs_need_restore.
4689 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
4690 args. All callers changed.
4691 Restructure the code a bit. Use TO_SAVE to determine which regs to
4692 save instead of more complicated test.
4693 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
4695 Create a new insn_chain structure for the new insn and place it
4698 * rtl.texi: Update documentation to reflect that reload no longer
4699 puts modes on the insns.
4701 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4703 * function.c (purge_addressof_1): Force the first argument of a
4704 CALL insn to memory.
4706 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
4708 * rtl.h: Delete duplicate prototypes. Add some missing
4710 * rtlanal.c: (for_each_rtx): Formatting tweak.
4712 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4714 * real.c (emdnorm and etoasc): Disable round to even for c4x target
4715 to be compatible with TI compiler.
4717 * Makefile.in (USER_H): Add va-c4x.h to definition.
4719 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
4721 * function.c (purge_addressof_1): Fix typo in inequality: do
4722 bitfield optimization for equal mode sizes.
4723 * expmed.c (store_bit_field): Don't take subregs of subregs in
4724 the movstrict case. Tidy a potential problem in the multi-word case.
4725 (extract_bit_field): Likewise.
4727 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4729 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
4731 Compute max_uid_for_flow by calling get_max_uid after the scan.
4732 (find_basic_blocks_1): Don't emit NOPs here.
4734 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
4736 * alias.c (base_alias_check): Accept new args for the modes of the
4737 two references. Use them to determine if an AND can overlap. Update
4739 (memrefs_conflict_p): Assume sizes are aligned, and uses them
4740 to determine if an AND can overlap.
4742 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
4744 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
4745 check. Add comment to document problems with TARGET_SUN_FPA version
4747 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
4749 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4751 * Makefile.in (gencheck.o): Depend on gansidecl.h.
4753 * c-common.c (print_char_table): Add missing initializers.
4754 (scan_char_table): Likewise.
4755 (time_char_table): Likewise.
4757 * c-decl.c (c_decode_option): Mark parameter `argc' with
4759 (declare_parm_level): Mark parameter `definition_flag' with
4762 * c-lex.c (readescape): Use `(unsigned)1' in shift.
4763 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
4766 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
4768 (emit_call_1): Mark parameters `fndecl' and `funtype' with
4770 (expand_call): Cast result of MIN() to (unsigned int) when
4771 comparing against an unsigned value.
4773 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
4775 (make_definition): Remove unused parameter `op'. All callers
4777 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
4778 comparing against the result of pointer arithmetic.
4780 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
4781 when comparing against one.
4783 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
4784 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
4786 (output_die): Move variable `i' into the scope in which it is
4787 used. Change its type to `unsigned'.
4788 (output_die): Cast the result of `strlen' to (int) when passing it
4789 to ASM_OUTPUT_ASCII().
4790 (output_pubnames): Likewise.
4791 (output_line_info): Likewise.
4793 * emit-rtl.c (global_rtl): Add missing initializers.
4795 * explow.c (promote_mode): Mark parameter `for_call' with
4798 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
4799 `unsigned HOST_WIDE_INT' when comparing against one.
4800 (synth_mult): Change type of variable `cost' to int.
4801 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
4803 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
4804 when comparing against one.
4805 (get_inner_reference): Change variable `alignment' to unsigned.
4806 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
4807 int) when comparing against one.
4808 (expand_builtin_setjmp): Change type of variable `i' to size_t.
4810 * fold-const.c (div_and_round_double): Cast BASE to
4811 (HOST_WIDE_INT) when comparing against one.
4813 * gencheck.c: Include gansidecl.h.
4814 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
4816 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
4817 `tcode' with ATTRIBUTE_UNUSED.
4819 * real.c (edivm): Cast constant value to (unsigned long) in
4820 expression compared against an unsigned value.
4822 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
4823 comparing against one.
4824 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
4825 when comparing against one.
4827 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
4828 (unsigned int) when comparing against one. Likewise for
4830 (smallest_mode_for_size): Likewise.
4831 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
4832 (restore_storage_status): Likewise.
4834 * toplev.c (debug_args): Add missing initializer.
4835 (f_options): Spelling correction. Add missing initializers.
4836 (documented_lang_options): Likewise.
4837 (debug_end_source_file): Mark parameter `lineno' with
4840 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
4841 `decl' and `type' with ATTRIBUTE_UNUSED.
4843 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
4844 when comparing against one.
4845 (assemble_variable): Mark parameter `top_level' with
4847 (assemble_external_libcall): Mark parameter `fun' with
4849 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
4852 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
4854 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
4855 Replace use of r5 with use of r19.
4857 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
4859 * config/v850/v850.c (compute_register_save_size): Allow for the
4860 fact that helper functions save all registers, not just those used
4863 Replace constant 31 with macro LINK_POINTER_REGNUM.
4865 * config/v850/v850.md: Use 'indirect_operand' rather than
4866 'memory_operand' for bit test/set/clear patterns.
4868 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
4870 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
4871 * varasm.c (assemble_start_function et al): Don't call
4872 ASM_GLOBALIZE_LABEL for weak symbols.
4874 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
4876 * cse.c (equiv_constant): Check for NULL return from
4877 gen_lowpart_if_possible().
4879 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
4881 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
4883 * collect2.c (main): Pass -EL/-EB through to the compiler.
4885 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4887 * expr.c (push_block): Handle targets where the stack grows
4888 to higher addresses, but args grow to lower addresses and
4889 ACCUMULATE_OUTGOING_ARGS is not defined.
4891 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
4893 * config/v850/v850.c (print_operand): Extend meaning
4894 of 'c' operands to support .vtinherit.
4896 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4898 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
4899 Added ATTRIBUTE_UNUSED to unused function arguments.
4900 (rc_reg_operand): New predicate.
4901 (c4x_rptb_insert): New function.
4902 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
4903 (c4x_optimization_options): New function.
4905 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
4906 (decrement_and_branch_on_count): New pattern.
4907 (rptb_top): Modified pattern to work with BCT optimization.
4909 * config/c4x/c4x.h (RC_REG): New register class.
4910 (rc_reg_operand): Define prototype.
4911 (IS_RC_REG): New macro.
4912 (IS_RC_OR_PSEUDO_REG): New macro.
4913 (IS_RC_OR_PSEUDO_REGNO): New macro.
4914 (OPTIMIZATION_OPTIONS): Define.
4916 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
4918 * collect2.c (extract_init_priority): No priority is 65535.
4920 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4922 * Makefile.in (build_tooldir): new variable, same as old
4923 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
4924 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
4925 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
4927 * configure.in (gxx_include_dir): set default based on unlibsubdir
4928 * Makefile.in (tooldir): ditto
4929 (cccp.o, cpplib.o): use unlibsubdir implicitly through
4930 gxx_include_dir, includedir and tooldir
4931 (protoize.o, unprotoize.o): ditto
4933 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
4935 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
4937 * config/arm/thumb.c (thumb_override_options): Add warning about
4938 PIC code not being supported just yet.
4940 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
4942 * flow.c: Update comment.
4943 (notice_stack_pointer_modification): New static function.
4944 (record_volatile_insns): Use it.
4945 (mark_regs_live_at_end): Mark the stack pointer as alive
4946 at the end of the function if current_function_sp_is_unchanging
4948 (life_analysis_1): Set current_function_sp_is_unchanging.
4949 * function.c: Define it.
4950 (init_function_start): Initialize it.
4951 * output.h: Declare it.
4952 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
4953 the stack pointer as alive at the end of the function if
4954 current_function_sp_is_unchanging is set.
4955 * i386.c (ix86_epilogue): Optimize the restoring
4956 of the stack pointer.
4958 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
4960 * version.c: Bump for snapshot.
4962 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
4964 * c-pragma.c (handle_pragma_token): If passed a token instead
4965 of a tree, use that as the pack value.
4967 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
4969 * flow.c (find_basic_blocks_1): Fix prototype.
4971 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
4973 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
4974 (struct tree_decl): New fields no_check_memory_usage.
4975 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
4976 (init_attributes): Register it as a new attribute.
4977 (decl_attributes): Set flags on functions given that attribute.
4978 * c-decl.c (duplicate_decls): Merge new attribute.
4979 * expr.h (current_function_check_memory_usage): Declare new var.
4980 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
4981 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
4982 current_function_check_memory_usage.
4983 * function.h: Add field to struct function.
4984 * function.c (current_function_check_memory_usage): Define it.
4985 (push_function_context_to, pop_function_context_from): Save and
4987 (expand_function_start): Set it, based on global flag and function
4990 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
4991 check non-automatic variables, to permit detection of writes to
4992 read-only locations in embedded systems without memory management.
4993 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
4994 when emitting chkr_set_right_libfunc call, even if the argument is
4995 BLKmode or variable-sized; don't abort.
4997 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
4998 symbols in Pmode, not VOIDmode.
5000 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5002 * cppexp.c: When forcing unsigned comparisons, cast both sides
5005 * cpphash.h: Move static declaration of hashtab[]...
5006 * cpphash.c: ...here.
5008 * cpplib.c: Cast difference of two pointers to size_t before
5009 comparing it to size_t. Cast signed to unsigned
5010 before comparing to size_t. (FIXME: struct argdata should use
5011 unsigned buffer sizes.)
5012 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
5013 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
5014 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
5015 size_t before comparison.
5017 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
5019 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
5020 (find_basic_blocks_1): Similarly.
5021 * output.h (find_basic_blocks): Fix prototype.
5022 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
5023 find_basic_blocks anymore.
5025 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
5027 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
5028 (sbitmap_free, sbitmap_vector_free): New macros.
5029 * output.h (rtl_dump_file): Declare.
5031 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
5033 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
5035 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5037 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
5039 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
5040 (divide): Remove unused variable `tmp'.
5041 (si_to_float): Cast numeric constant to (SItype) before comparing
5044 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
5046 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
5047 * gcc.c (add_preprocessor_option): Correct typo when allocating
5048 memory, sizeof() argument had one too many `*'.
5049 (add_assembler_option): Likewise.
5050 (add_linker_option): Likewise.
5051 * gcov.c (output_data): Likewise.
5052 * local-alloc.c (memref_used_between_p): Likewise.
5053 (update_equiv_regs): Likewise.
5054 * loop.c (strength_reduce): Likewise.
5055 * reg-stack.c (record_asm_reg_life): Likewise.
5056 (subst_asm_stack_reg): Likewise.
5057 * reorg.c (dbr_schedule): Likewise.
5059 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5061 * flow.c (life_analysis_1): Break out some functions.
5062 (find_basic_blocks_1): Likewise. Also move some variables out and
5064 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
5065 new static var nonlocal_label_list with it.
5066 (active_eh_region, nested_eh_region, label_value_list,
5067 nonlocal_label_list): New static variables.
5068 (make_edges, delete_unreachable_blocks, delete_block): New static
5069 functions, broken out of find_basic_blocks_1.
5070 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
5071 noop_move_p): New static functions, broken out of life_analysis_1.
5073 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
5075 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
5076 Take extra care for op0 now possibly being a subreg.
5077 (extract_bit_field): Likewise.
5078 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
5079 the reg to memory if there is no equal sized integral mode.
5080 * stor-layout.c (int_mode_for_mode): New function.
5081 * machmode.h: Prototype it.
5083 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
5085 * global.c (build_insn_chain): Verify no real insns exist past the
5086 end of the last basic block, then exit the loop.
5088 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5090 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
5092 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
5094 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
5096 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
5098 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
5100 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
5102 * flow.c (find_basic_blocks): Correctly determine when a call
5103 is within an exception region.
5105 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
5107 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
5109 * cpplib.h: Protect from multiple inclusions.
5110 * cpplib.c: Fix minor formatting problems.
5112 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
5114 * jump.c (jump_optimize): Revert accidental patch.
5116 * Makefile.in (cpplib.o): Use unlibsubdir.
5118 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
5120 * loop.c (get_condition): Allow combine when either compare is
5123 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
5125 * version.c: Bump for snapshot.
5127 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
5129 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
5130 (init_lex): Initialize ridpointers[RID_BYREF].
5131 * c-lex.h (enum rid): Add RID_BYREF.
5132 * c-parse.gperf: Add RID_BYREF as a type qualifier.
5133 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
5134 (encode_type_qualifiers): Similarly
5135 * c-gperf.h: Rebuilt.
5137 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
5139 * c-common.c (type_for_mode): Only return TItype nodes when
5140 HOST_BITS_PER_WIDE_INT is >= 64 bits.
5141 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
5142 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
5143 (init_decl_processing): Only create TItype nodes when
5144 HOST_BITS_PER_WIDE_INT is >= 64 bits.
5145 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
5146 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
5148 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5150 * stmt.c (n_occurrences): New static function.
5151 (expand_asm_operands): Verify that all constrains match in the
5152 number of alternatives.
5153 Verify that '+' or '=' are at the beginning of an output constraint.
5154 Don't allow '&' for input operands.
5155 Verify that '%' isn't written for the last operand.
5156 * reload.c (find_reloads): Abort if an asm is found with invalid
5157 constraints; all possible problems ought to be checked for earlier.
5159 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5161 * flags.h (flag_branch_on_count_reg): Always declare
5162 * toplev.c (flag_branch_on_count_reg): Likewise.
5163 * toplev.c: Fix typos.
5165 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
5168 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
5170 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
5172 (find_basic_blocks_1): Add a nop to the end of a basic block when
5173 a trailing call insn does not have abnormal control flow.
5174 * gcse.c (pre_transpout): New variable.
5175 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
5176 (compute_pre_transpout): Calculate it.
5177 (compute_pre_ppinout): Use it to eliminate impossible placements
5178 due to abnormal control flow through calls.
5179 (compute_pre_data): Call compute_pre_transpout.
5181 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5183 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
5185 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
5187 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
5188 and matching define_insns): Tack on a `use' of the table label, so
5189 flow analysis will recognize a tablejump.
5191 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
5193 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
5194 always end basic blocks for abnormal edge reasons.
5196 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
5198 * config/i386/i386.h: Remove definition of
5199 HANDLE_PRAGMA_PACK_PUSH_POP.
5201 * config/i386/go32.h: Add definition of
5202 HANDLE_PRAGMA_PACK_PUSH_POP.
5204 * config/i386/win32.h: Add definition of
5205 HANDLE_PRAGMA_PACK_PUSH_POP.
5207 * config/i386/cygwin32.h: Add definition of
5208 HANDLE_PRAGMA_PACK_PUSH_POP.
5210 * c-pragma.c (insert_pack_attributes): Do not insert
5211 attributes unless #pragma pack(push,<n>) is in effect.
5213 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
5215 * expr.c (emit_group_store): Handle a PARALLEL destination.
5217 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
5219 * gcse.c (pre_insert_insn): When a call ends a bb, insert
5220 the new insns before the argument regs are loaded.
5222 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5224 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
5225 (c-parse.gperf): Update comments describing invocation flags.
5226 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
5228 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
5230 * reload1.c (reload): Call free before clobbering the memory
5231 locations or constants pointers.
5233 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5235 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
5236 for efficiency by checking whether we need to modify the current
5237 stack permission at all.
5238 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
5239 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
5240 __enable_execute_stack libcall here too if
5241 TRANSFER_FROM_TRAMPOLINE is defined.
5242 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
5245 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
5247 * Makefile.in (DRIVER_DEFINES): Remove last change.
5249 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5251 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
5252 insns we're going to copy.
5253 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
5255 * loop.c (count_one_set): Add prototype.
5257 * caller-save.c (restore_referenced_regs): Lose mode argument.
5258 (insert_save): Lose mode argument.
5259 (insert_restore): Lose mode argument.
5260 (insert_one_insn): Lose mode argument.
5261 (save_call_clobbered_regs): Lose mode argument.
5262 (setup_save_areas): Take no argument and return void. All callers
5264 Don't verify validity of memory addresses.
5265 * reload.h (setup_save_ares): Adjust prototype.
5266 (save_call_clobbered_regs): Likewise.
5267 * reload1.c (delete_caller_save_insns): New function.
5268 (caller_save_spill_class): Delete variable.
5269 (caller_save_group_size): Delete variable.
5270 (reload): Call setup_save_areas and save_call_clobbered_regs
5271 in the main loop, before calling calculate_needs_all_insns.
5272 Don't call save_call_clobbered_regs after the loop.
5273 Call delete_caller_save_insns at the end of an iteration if
5275 Delete code to manage caller_save_spill_class.
5276 Emit the final note before setting reload_first_uid.
5277 Simplify test that determines whether reload_as_needed gets run.
5278 (calculate_needs): Delete code to manage caller_save_spill_class.
5280 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
5282 * collect2.c (main): Initialize ld_file_name.
5284 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
5286 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
5287 check for flag_function_sections.
5289 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5291 * cse.c (insert_regs): Fix bug in Sep 24 change.
5293 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5295 * flags.h (flag_dump_unnumbered): Declare.
5296 * toplev.c (flag_dump_unnumbered): Don't declare.
5297 * print-rtl.c (flags.h): Include.
5298 (print_rtl_single): Add return value.
5299 * rtl.h (print_rtl_single): Update declaration.
5300 * flow.c (flag_dump_unnumbered): Don't declare.
5301 (print_rtl_with_bb): Use return value of print_rtl_single.
5303 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5305 * loop.c (count_one_set): New static function, broken out of
5307 (count_loop_regs_set): Call it.
5308 * global.c (mark_reg_store): Handle clobbers here by not calling
5310 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
5311 is in fact a clobber.
5312 * integrate.c (process_reg_param): New function, broken out of
5313 expand_inline_function.
5314 (expand_inline_function): Call it.
5317 * i386.md (addsidi3_1): Delete unused variable temp.
5318 (addsidi3_2): Likewise.
5319 (clstrstrsi): Delete unused variable addr1.
5321 * rtl.h: Don't declare any functions also declared in recog.h.
5323 * Makefile.in (stupid.o): Update dependencies.
5324 (global.o): Likewise.
5326 * global.c: Include reload.h
5327 (reg_becomes_live): New function.
5328 (reg_dies): New function.
5329 (build_insn_chain): New function.
5330 (global_alloc): Call build_insn_chain before calling reload.
5332 * reload.h (struct needs): New structure definition.
5333 (struct insn_chain): Likewise.
5334 (reload_insn_chain): Declare variable.
5335 (new_insn_chain): Declare function.
5338 * reload1.c (reload_startobj): New variable.
5339 (reload_insn_chain): New variable.
5340 (unused_insn_chains): New variable.
5341 (new_insn_chain): New function.
5342 (init_reload): Initialize reload_startobj, not reload_firstobj.
5343 (reload): Initialize reload_firstobj.
5344 Before returning, free everything on the reload_obstack.
5346 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
5347 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
5348 current_chain): New variables.
5349 (reg_where_born): Delete variable.
5350 (REG_WHERE_BORN): New macro.
5351 (find_clobbered_regs): New function.
5352 (stupid_life_analysis): Don't allocate/free reg_where_born.
5353 Allocate and free reg_where_born_exact, reg_where_born_clobber,
5354 reg_where_dead_chain.
5355 Use REG_WHERE_BORN instead of reg_where_born.
5356 While processing the insns, build the reload_insn_chain with
5357 information about register lifetimes.
5358 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
5359 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
5361 Compute and information about birth and death of pseudo registers in
5362 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
5363 Delete code to set elements of reg_where_born.
5365 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5367 * tree.def (GOTO_EXPR): Modified documentation.
5368 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
5371 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
5373 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
5374 loop_final_value, loop_comparison_code): No longer static.
5375 (unroll_loop): Delete loop_start_value update.
5376 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
5377 loop_final_value, loop_comparison_code): Extern.
5378 (loop_start_value): Delete extern.
5379 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
5380 loop_comparison_value, loop_comparison_code): Delete.
5381 (loop_optimize): Remove initialization for deleted variables.
5382 (strength_reduce): Delete analyze_loop_iterations call. Only call
5383 insert_bct if flag_branch_count_on_reg set.
5384 (analyze_loop_iterations): Delete.
5385 (insert_bct): Remove iteration count calculation. Move checks for
5386 viable BCT optimization to here. Obtain iteration count from
5387 loop_iterations and correct for unrolling. Check for enough
5388 iteration to be beneficial. Comment out runtime iteration count
5390 (insert_bct): Print iteration count in dump file. Remove
5391 loop_var_mode and use word_mode directly.
5393 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
5394 * rs6000.c (rs6000_override_options): Use it.
5395 (optimization_options): Enable use of flag_branch_on_count_reg.
5396 * rs6000.md (define_function_unit): Describe 604e.
5398 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5400 * loop.c (move_movables): Corrected threshold calculation for
5401 moved_once registers.
5403 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5405 * loop.c (combine_givs_p): Fix test for identical givs.
5407 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
5409 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
5410 call abort if the function is already defined.
5412 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
5414 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
5415 truncation is not a no-op.
5417 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
5419 * version.c: Bump for snapshot.
5421 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
5423 * version.c: Bump for snapshot.
5425 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
5427 * expmed.c (expand_divmod): Don't widen for computing remainder
5428 if we seem to have a divmod pattern for needed mode.
5430 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5432 * cpplib.c (macroexpand): Correct off-by-one error in handling
5435 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
5437 * combine.c (expand_field_assignment): Don't do bitwise operations
5438 on MODE_FLOAT; pun to MODE_INT if possible.
5440 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
5441 scott snyder <snyder@d0sgif.fnal.gov>
5443 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
5444 linker. Recognize mangled names in quotes.
5446 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5448 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
5449 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
5450 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
5451 (lshrsi3_extend, lshrsi3_extend2): Ditto.
5453 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5455 * function.c (purge_addressof_1): If trying to take a sub-word
5456 integral piece of a floating point mode, put it on the stack.
5458 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
5460 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
5462 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
5464 * PROJECTS: Remove template friends.
5466 * collect2.c (sort_ids): Remove unused variable.
5468 * tm.texi (MATH_LIBRARY): Document.
5469 (NEED_MATH_LIBRARY): Remove.
5471 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
5472 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
5474 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
5476 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
5477 last_end to 0x7fffffff.
5479 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5481 * function.c (purge_addressof_1): Do not perform endianness
5482 corrections on bitpos, who we call will do it for us.
5484 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
5486 * h8300.c (WORD_REG_USED): Fix typo.
5487 (initial_offset): Use WORD_REG_USED.
5489 * h8300.c (handle_pragma): Fix typo.
5491 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5493 * caller-save.c (insert_save_restore): Break this function up
5494 into new functions insert_restore, insert_save and insert_one_insn.
5495 All callers changed.
5496 (insert_restore): New function, mostly broken out of
5497 insert_save_restore.
5498 (insert_save): Likewise.
5499 (insert_one_insn): Likewise.
5500 (restore_referenced_regs): New argument BLOCK. All callers changed.
5501 (save_call_clobbered_regs): Don't keep track of basic block boundaries
5502 in this function, do it in insert_one_insn instead.
5504 * reload1.c (reload): Break out some more pieces into separate
5506 (dump_needs): New function, broken out of reload.
5507 (set_initial_elim_offsets): Likewise.
5508 (init_elim_table): Likewise.
5509 (update_eliminables): Likewise.
5511 * global.c (global_alloc): Delete code to manage the scratch_list.
5512 * local-alloc.c (qty_scratch_rtx): Delete.
5513 (scratch_block): Delete.
5514 (scratch_list): Delete.
5515 (scratch_list_length): Delete.
5516 (scratch_index): Delete.
5517 (alloc_qty_for_scratch): Delete.
5518 (local-alloc): Update initialization of max_qty.
5519 Delete code to manage the scratch list.
5520 Delete code to allocate/initialize qty_scratch_rtx.
5521 (block_alloc): Don't allocate quantities for scratches.
5522 Delete code to manage the scratch list.
5523 * regs.h (scratch_list): Delete declaration.
5524 (scratch_block): Delete declaration.
5525 (scratch_list_length): Delete declaration.
5526 * reload1.c (reload): Delete code to manage the scratch list.
5527 (spill_hard_reg): Likewise.
5528 (mark_scratch_live): Delete.
5530 * recog.c (alter_subreg): Delete declaration.
5532 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
5534 * Makefile.in (cccp.o): Fix typo in last patch.
5536 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5538 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
5539 * config/sh/lib1funcs.asm (___set_fpscr): Add.
5541 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
5543 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
5544 NULL_RTX as an argument.
5546 * Makefile.in (unlibsubdir): Define.
5547 (DRIVER_DEFINES): Use unlibsubdir.
5548 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
5549 (stmp-fixinc): Similarly.
5551 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5553 * regmove.c (regmove_optimize): Add variable old_max_uid.
5554 At the end of the function, update basic_block_end.
5556 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5558 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
5559 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
5562 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
5564 * config/arm/arm.c: Improve interworking support.
5566 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5568 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
5569 copied from reload_out[r] .
5571 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
5573 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
5574 with more than three size ranges.
5576 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
5578 * rtl.c (mode_name): Add a null string at the end of the array.
5579 (mode_wider_mode): Change type to unsigned char.
5580 (mode_mask_array): New variable.
5581 (init_rtl): Update for mode_wider_mode type change.
5583 * rtl.h (mode_wider_mode): Change type to unsigned char.
5584 (mode_mask_array): Declare.
5585 (GET_MODE_MASK): Use mode_mask_array.
5587 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
5589 * calls.c (expand_call) : Encapsulate code into
5590 copy_blkmode_from_reg.
5591 * expr.c (copy_blkmode_from_reg): New function.
5592 * expr.h (copy_blkmode_from_reg): New function.
5593 * integrate.c (function_cannot_inline_p): We can inline
5595 (expand_inline_function): Use copy_blkmode_from_reg
5596 if needed. Avoid creating BLKmode REGs.
5597 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
5600 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
5602 * config/v850/v850.c: Add function prototypes.
5603 Add support for v850 special data areas.
5605 * config/v850/v850.h: Add support for v850 special data areas.
5607 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
5608 HANDLE_PRAGMA_PACK_PUSH_POP.
5609 (push_alignment): New function: Cache an alignment requested
5610 by a #pragma pack(push,<n>).
5611 (pop_alignment): New function: Pop an alignment from the
5613 (insert_pack_attributes): New function: Generate __packed__
5614 and __aligned__ attributes for new decls whilst a #pragma pack
5616 (add_weak): New function: Cache a #pragma weak directive.
5617 (handle_pragma_token): Document calling conventions. Add
5618 support for #pragma pack(push,<n>) and #pragma pack (pop).
5620 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
5621 are defined enable HANDLE_PRAGMA_PACK.
5622 Move 'struct weak_syms' here (from varasm.c).
5623 Add pragma states for push and pop pragmas.
5625 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
5628 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
5629 HANDLE_GENERIC_PRAGMAS.
5631 * varasm.c: Move definition of 'struct weak_syms' into
5633 (handle_pragma_weak): Deleted.
5635 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5637 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5639 * c-decl.c (start_function): Add invocation of
5640 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
5642 * tm.texi: Remove description of non-existant macro
5643 SET_DEFAULT_SECTION_NAME.
5645 (HANDLE_SYSV_PRAGMA): Document.
5646 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
5648 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
5650 * config.sub: Recognize i[34567]86-pc-udk as new target.
5651 * configure.in: Likewise.
5652 * config/i386/t-udk: New file.
5653 * config/i386/udk.h: New file.
5655 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
5657 * reorg.c (check_annul_list_true_false): Remove unused variables.
5658 (steal_delay_list_from_target): Add missing "used_annul" variable.
5659 (try_merge_delay_insns): Close out half formed comment.
5661 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5663 * cpplib.c (macroexpand): If arg->raw_before or
5664 arg->raw_after, remove any no-reexpansion escape at the
5665 beginning of the pasted token. Correct handling of whitespace
5666 markers and no-reexpand markers at the end if arg->raw_after.
5668 * toplev.c (documented_lang_options): Recognize -include,
5669 -imacros, -iwithprefix, -iwithprefixbefore.
5670 * cpplib.c (cpp_start_read): Process -imacros and -include
5671 switches at the same time and in command-line order, after
5672 initializing the dependency-output code. Emit properly nested
5673 #line directives for them. Emit a #line for the main file
5674 before processing these switches, and don't do it again
5677 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
5679 * function.c (purge_addressof_1): Use bitfield manipulation
5680 routines to handle mem mode < reg mode.
5682 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5684 * reorg.c (try_merge_delay_insns): Account for resources referenced
5685 in each instruction in INSN's delay list before trying to eliminate
5686 useless instructions. Similarly when looking at a trial insn's delay
5689 * reorg.c (check_annul_list_true_false): New function.
5690 (steal_delay_list_from_{target,fallthrough}): Call it and also
5691 refine tests for when we may annul if already filled a slot.
5692 (fill_slots_from_thread): Likewise.
5693 (delete_from_delay_slot): Return newly-created thread.
5694 (try_merge_delay_isns): Use its new return value.
5696 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
5698 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
5699 used to compute a giv or as some other non-counting use.
5701 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5703 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
5704 * local-alloc.c (find_free_reg): Use it.
5705 * global.c (find_reg): Likewise.
5706 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
5708 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
5709 * caller-save.c (init_caller_save): Use it.
5710 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
5712 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5714 * configure.in: Add --enable-cpplib option which uses cpplib
5715 for cpp, but doesn't link cpplib into cc1. Make help text
5716 capitalization consistent.
5717 * configure: Rebuilt.
5719 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
5721 * function.c (gen_mem_addressof): If the address REG is
5722 REG_USERVAR_P make the new REG be so also.
5723 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
5724 in an attempt to clarify slightly.
5726 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
5728 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
5729 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
5731 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
5733 * toplev.c: Fix last patch.
5735 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
5737 * loop.c (get_condition): Fix typo in May 9 change.
5739 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5741 * invoke.texi (-fexceptions): Merge 2 different descriptions.
5743 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5745 * toplev.c (documented_lang_options): Spelling corrections.
5747 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5749 * configure.in: new flags --with-ld and --with-as, equivalent
5750 to setting LD and AS environment variables. Test whether
5751 specified arguments are GNU commands, and report them with
5752 checking messages. Use the specified AS for configure
5755 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
5757 * gcc.c (find_a_file): when looking for `as' and `ld', return
5758 the DEFAULT program if it exists
5759 * collect2.c (main): use DEFAULT_LINKER if it exists
5761 * gcc.c (find_a_file): the test for existence of a full
5762 pathname was reversed
5764 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
5766 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
5767 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
5769 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
5771 * tree.h (TYPE_BINFO): Document.
5773 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
5775 * i386-coff.h (dbxcoff.h): Added.
5777 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
5779 * toplev.c: fix bad patch around flag_data_sections.
5781 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
5783 * reload1.c (reload): Use reload_address_index_reg_class and
5784 reload_address_base_reg_class when setting
5785 caller_save_spill_class. (Patch generated by Jim Wilson:
5788 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
5790 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
5791 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
5792 * expr.c (store_field): Add alias_set parameter. Set the
5793 MEM_ALIAS_SET accordingly, if the target is a MEM.
5794 (expand_assignment): Use it.
5795 (store_constructor_field): Pass 0.
5796 (expand_expr): Likewise.
5798 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
5800 * flags.h: Add flag_data_sections.
5801 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
5802 (compile_file): Error if flag_data_sections not supported.
5803 * varasm.c (assemble_variable): Handle flag_data_sections.
5804 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
5805 * config/mips/elf.h: Likewise.
5806 * config/mips/elf64.h: Likewise.
5807 * invoke.texi: Describe -fdata-sections.
5809 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
5811 * invoke.texi (-ffloat-store): Clarify that this option
5812 does not affect intermediate results -- only variables.
5814 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
5816 * cpp.texi: Update for Fortran usage from Craig.
5818 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5820 * rs6000.c (function_arg_boundary): Revert accidental change on
5823 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
5825 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
5826 (output_mi_thunk): Declare.
5828 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
5829 (output_function_profiler): Use r12 for temp, instead of r11 so
5830 that we preserve the static chain register.
5832 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
5834 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
5836 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5838 * sh.c (gen_shl_sext): Fix case 5.
5840 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5842 * reload1.c (reload_combine): Re-add line that got accidentally lost.
5844 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5846 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
5847 accessing variables until they are initialized via va_arg().
5849 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5851 * reload1.c (reload_combine): Initialize set before using.
5853 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
5855 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
5858 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
5860 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
5861 operand3 with mask before using it. Patch provided by Jim Wilson.
5863 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5865 * config/sparc/sparc.c (function_value): Perform the equivalent of
5866 PROMOTE_MODE for ARCH64.
5867 (eligible_for_epilogue_delay): Allow DImode operations in delay
5868 slot of a return for ARCH64.
5870 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5872 * sh.md (sqrtsf2): Fix mode of sqrt.
5874 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5876 * reload1.c (choose_reload_regs): Also try inheritance when
5877 reload_in is a stack slot of a pseudo, even if we already got a
5880 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5882 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
5883 (reload_cse_regs): New function body: call reload_cse_regs_1,
5884 reload_combine, reload_cse_move2add.
5885 When doing expensive_optimizations, call reload_cse_regs_1 a
5886 second time after reload_cse_move2add.
5887 (reload_combine, reload_combine_note_store): New functions.
5888 (reload_combine_note_use): New function.
5889 (reload_cse_move2add, move2add_note_store): New functions.
5891 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5893 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
5894 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
5896 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
5897 more than 3 such reloads.
5899 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
5900 RELOAD_FOR_X_ADDR_ADDR reload.
5902 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5904 * expr.c (store_constructor): When initializing a field that is smaller
5905 than a word, at the start of a word, try to widen it to a full word.
5907 * cse.c (cse_insn): When we are about to change a register,
5908 remove any invalid references to it.
5910 (remove_invalid_subreg_refs): New function.
5911 (mention_regs): Special treatment for SUBREGs.
5912 (insert_regs): Don't strip SUBREG for call to mention_regs.
5913 Check if reg_tick needs to be bumped up before that call.
5914 (lookup_as_function): Try to match known word_mode constants when
5915 looking for a norrower constant.
5916 (canon_hash): Special treatment for SUBREGs.
5918 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5920 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
5921 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
5922 defined, emit libcall to __enable_execute_stack. Also fix opcodes
5923 and offsets in actual stack trampoline code so they match the
5924 commentary and actually work.
5926 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5928 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
5930 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
5931 tmake_file. Set extra_parts to needed crt objects.
5932 * configure: Rebuilt.
5933 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
5934 (TARGET_DEFAULT): Set if default is v9 or ultra.
5935 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
5936 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
5937 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
5938 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
5939 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
5940 (TARGET_VERSION): Define.
5941 (MULTILIB_DEFAULT): Define.
5942 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
5943 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
5944 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
5946 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
5947 * config/sparc/sparc.c (sparc_override_options): If arch and
5948 pointer size disagree, emit diagnostic and fix it up. If
5949 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
5950 V8PLUS in 64-bit mode.
5951 * config/sparc/t-linux64: New file.
5952 * config/sparc/t-sol2-64: New file.
5953 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
5954 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
5955 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
5956 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
5957 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
5958 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
5960 (STARTFILE_SPEC): Set approriately based upon those.
5961 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
5962 disposition of DEFAULT_ARCH32_P.
5963 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
5964 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
5965 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
5966 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
5967 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
5969 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
5971 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
5973 * rtl.h (init_virtual_regs): New function.
5974 * emit-rtl.c (init_virtual_regs): Define.
5975 (insn_emit): Use it.
5976 * integrate.c (save_for_inline_copying): Likewise.
5978 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
5980 * config/arm/thumb.h: The following patches were made by Jim Wilson:
5981 (enum reg_class): Add NONARG_LO_REGS support.
5982 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5983 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
5984 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
5985 completes. Re-enable HImode REG+OFFSET addresses.
5986 (LEGITIMIZE_RELOAD_ADDRESS): Define.
5988 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
5990 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
5992 * alpha.c (get_aligned_mem): Revert Sep 20 change.
5993 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
5994 (alpha_align_insns): Properly calculate initial offset wrt max_align.
5996 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
5998 * arm.c (find_barrier): Revert change of Apr 23. Handle table
5999 jumps as a single entity, taking into account the size of the
6002 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
6004 * tree.def (SWITCH_EXPR): New tree node definition.
6006 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
6008 * version.c: Bump for snapshot.
6010 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
6012 * version.c: Bump for snapshot.
6014 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
6016 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
6019 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
6021 * Revert this patch.
6022 * reload.c (find_reloads): Do not replace a pseudo with
6023 (MEM (reg_equiv_addr)) in the initializing insn for the
6026 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
6028 * final.c (final_scan_insn): Disable tracking CC across branches.
6030 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6032 * expr.h (eh_rtime_match_libfunc): New extern declaration.
6033 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
6034 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
6035 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
6036 NULL. Only include <stdio.h> if inhibit_libc is not defined.
6038 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
6040 * toplev.c (rest_of_compilation): Skip compiling anything with
6041 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
6043 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
6045 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
6046 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
6047 use in_libcall_block.
6048 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
6049 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
6052 Mon Sep 21 14:02:23 1998
6054 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
6055 typo in no-fancy-math-387 description.
6057 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
6059 * version.c: Bump for snapshot.
6061 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
6063 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
6065 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
6067 * i386.h: (TARGET_SWITCHES) Add description fields for flags
6068 documented in install.texi.
6069 (TARGET_OPTIONS) Likewise.
6071 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
6073 * version.c: Bump for snapshot.
6075 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
6077 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
6078 * cccp.c (main): Likewise.
6080 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
6081 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
6084 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
6086 * Makefile.in (LIBS): Link in libiberty.a.
6087 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
6089 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
6091 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
6092 it to update bb boundaries. Update caller.
6093 * function.c (reposition_prologue_and_epilogue_notes): Update
6094 bb boundaries wrt the moved note.
6096 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
6098 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
6100 * configure: Regenerate.
6102 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
6104 * alpha.c (alpha_sr_alias_set): New variable.
6105 (override_options): Set it.
6106 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
6107 (mode_mask_operand): Fix signed-unsigned comparision warning.
6108 (alpha_expand_block_move): Likewise.
6109 (print_operand): Likewise.
6110 (get_aligned_mem): Use change_address.
6111 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
6112 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
6113 (alphaev4_next_nop, alphaev5_next_nop): New functions.
6114 (alpha_align_insns): Remade from old alphaev5_align_insns
6115 to handle multiple processors.
6116 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
6117 * output.h (label_to_alignment): Prototype.
6119 * tree.c (new_alias_set): New function.
6120 * tree.h (new_alias_set): Declare it.
6121 * c-common.c (c_get_alias_set): Use it.
6123 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
6125 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
6126 to an ABS expr, convert an unsigned input to signed.
6128 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
6130 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
6132 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6134 * configure.in: Add support for c4x targets.
6135 * configure: Rebuilt.
6137 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
6139 * combine.c (distribute_notes): If an insn is a cc0 user, only
6140 delete it if we can also delete the cc0 setter.
6142 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
6144 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
6145 (invert_truthvalue): Enable truthvalue inversion for
6146 floating-point operands if -ffast-math.
6148 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
6150 * configure.in: Disable collect2 for nextstep. Instead use
6152 * configure: Rebuilt.
6153 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
6154 (ENDFILE_SPEC): Define.
6155 (OBJECT_FORMAT_MACHO): Define.
6156 (EH_FRAME_SECTION_ASM_OP): Define.
6157 * crtstuff.c: Handle MACHO.
6159 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
6161 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
6163 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
6165 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
6166 (_fpadd_parts): Get sign right for 0.
6168 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6170 * ginclude/varargs.h: Add support for C4x target.
6171 * ginclude/stdargs.h: Likewise.
6173 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
6175 * alpha.c (alpha_return_addr): SET should be VOIDmode.
6176 (alpha_emit_set_long_const): Rewrite to be callable from reload
6178 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
6179 * alpha.md (movdi): Likewise.
6181 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
6183 * arm.c (add_constant): New parameter address_only, change caller.
6184 Set it non-zero if taking the address of an item in the pool.
6185 (arm_reorg): Handle cases where we need the address of an item in
6188 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
6190 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
6191 memory addresses that are not in standard canonical form.
6193 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
6195 * README.C4X: New file with information about the c4x ports.
6196 * ginclude/va-c4x.h: New file for c4x varargs support.
6197 * config/c4x: New directory with c4x port files.
6199 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
6201 * reload.c (find_reloads): Do not replace a pseudo with
6202 (MEM (reg_equiv_addr)) in the initializing insn for the
6205 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
6207 * toplev.c (rest_of_compilation): Set bct_p on second call to
6209 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
6211 (strength_reduce): Only call analyze_loop_iterations and
6212 insert_bct if bct_p set.
6213 (check_dbra_loop): Fix typo.
6214 (insert_bct): Use word_mode instead of SImode.
6215 (instrument_loop_bct): Likewise. Do not delete iteration count
6216 condition code generation insn. Initialize iteration count before
6218 * rtl.h (loop_optimize): Update prototype.
6220 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
6221 not doubleword aligned.
6223 * rs6000.c (optimization_options): New function.
6224 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
6225 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
6226 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
6227 first; cr1 can be used for FP record condition insns.
6229 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
6231 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
6234 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
6237 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
6239 (block_move_call): New function: Call a library routine to copy a
6241 (m32r_expand_block_move): New function: Expand a "movstrsi"
6242 pattern into a sequence of insns.
6243 (m32r_output_block_move): New function: Expand a
6244 "movstrsi_internal" pattern into a sequence of assembler opcodes.
6245 (m32r_block_immediate_operand): New function: Return true if the
6246 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
6248 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6250 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
6252 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
6254 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6256 * regmove.c (copy_src_to_dest): Check that modes match.
6258 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
6260 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
6262 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
6264 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
6265 narrower than FLOAT_REGS.
6267 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6269 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
6271 * Makefile.in (old_gxx_include_dir): removed
6273 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
6275 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
6278 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
6279 (sh_handle_pragma): Change function arguments to match new
6280 specification for HANDLE_PRAGMA.
6282 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6284 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
6286 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
6287 When generating output, initialize missing struct member to zero.
6289 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6291 * regmove.c (copy_src_to_dest): Don't copy if that requires
6292 (a) new register(s).
6294 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6296 * global.c (reg_allocno): Now static.
6297 * reload1.c (reg_allocno): Delete declaration.
6298 (order_regs_for_reload): Take no arguments. Don't treat regs
6299 allocated by global differently than those allocated by local-alloc.
6301 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
6303 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
6304 condition, fix format strings.
6305 (output_function_epilogue): Likewise.
6307 * m68k/m68k.c: Don't include <stdlib.h> directly.
6309 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
6311 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
6312 mem_first_set, mem_last_set; because 0 can be a CUID.
6313 (oprs_unchanged_p): Use new definition.
6314 (record_last_reg_set_info): Likewise.
6315 (record_last_mem_set_info): Likewise.
6316 (compute_hash_table): Likewise.
6318 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
6320 * rs6000.c (output_epilogue): Handle Chill.
6322 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
6323 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
6325 * combine.c (make_extraction): If no mode is specified for
6326 an operand of insv, extv, or extzv, default it to word_mode.
6327 (simplify_comparison): Similarly.
6328 * expmed.c (store_bit_field): Similarly.
6329 (extract_bit_field): Similarly.
6330 * function.c (fixup_var_regs_1): Similarly.
6331 * recog.c (validate_replace_rtx_1): Similarly.
6332 * mips.md (extv, extzv, insv expanders): Default modes for most
6333 operands. Handle TARGET_64BIT.
6334 (movdi_uld, movdi_usd): New patterns.
6336 * pa.c (emit_move_sequence): Do not replace a pseudo with its
6337 equivalent memory location unless we have been provided a scratch
6338 register. Similarly do not call find_replacement unless a
6339 scratch register has been provided.
6341 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6343 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
6346 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
6348 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
6349 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
6350 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
6351 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
6352 * c-decl.c (init_decl_processing): Update accordingly.
6353 * expr.c (expand_builtin): Likewise.
6355 * rtl.h (global_rtl): Add cfa entry.
6356 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
6357 (LAST_VIRTUAL_REGISTER): Update.
6358 * emit-rtl.c (global_rtl): Add cfa entry.
6359 (init_emit): Initialize it.
6360 * function.c (cfa_offset): New.
6361 (instantiate_virtual_regs): Initialize it.
6362 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
6363 (expand_function_end): Call expand_eh_return.
6364 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
6366 * except.c (current_function_eh_stub_label): Kill.
6367 (current_function_eh_old_stub_label): Likwise; update all references.
6368 (expand_builtin_set_return_addr_reg): Kill.
6369 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
6370 (expand_builtin_set_eh_regs): Kill.
6371 (eh_regs): Produce a third reg for the actual handler address.
6372 (eh_return_context, eh_return_stack_adjust): New.
6373 (eh_return_handler, eh_return_stub_label): New.
6374 (init_eh_for_function): Initialize them.
6375 (expand_builtin_eh_return, expand_eh_return): New.
6376 * except.h: Update prototypes.
6377 * flow.c (find_basic_blocks_1): Update references to the stub label.
6378 * function.h (struct function): Kill stub label elements.
6380 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
6381 register number is one that would be in the previous window.
6382 Provide a dummy definition for non-windowed targets.
6383 (get_reg_addr): New function.
6384 (get_reg, put_reg, copy_reg): Use it.
6385 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
6386 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
6388 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
6389 (alpha_init_expanders): Initialize it.
6390 (alpha_expand_epilogue): Use it.
6391 * alpha.h: Declare it.
6392 * alpha.md (eh_epilogue): New.
6394 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
6395 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
6397 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
6399 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
6402 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6404 * except.h (struct eh_entry): Add false_label field.
6405 (end_catch_handler): Add prototype.
6406 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
6407 (start_catch_handler): When using old style exceptions, issue
6408 runtime typematch code before continuing with the handler.
6409 (end_catch_handler): New function, generates label after handler
6410 if needed by older style exceptions.
6411 (expand_start_all_catch): No need to check for new style exceptions.
6412 (output_exception_table_entry): Only output the first handler label
6413 for old style exceptions.
6414 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
6415 mechanism into one function, if a runtime matcher is provided.
6417 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6419 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
6421 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
6423 * integrate.c (copy_decl_list): Fix typo.
6425 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6427 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
6430 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
6432 * version.c: Bump for snapshot.
6434 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
6436 * version.c: Bump for snapshot.
6438 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
6440 * version.c: Bump for snapshot.
6442 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6444 * invoke.texi (C Dialect Options): Put back missing @end itemize.
6446 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6448 * configure.in: remove usage of `!' to negate the result of a
6449 command; some common shells do not support it
6451 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6453 * configure.in: in sparc9-sol2 config, use 'if test' not
6455 * configure: Rebuilt.
6457 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
6459 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
6460 (CPP_CPU_DEFAULT_SPEC): Likewise.
6461 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
6462 for arch64 libfuncs.
6464 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
6467 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6469 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
6471 * collect2.c: Don't declare `sys_siglist' here.
6472 (my_strsignal): Prototype and define new function. Use it in
6473 place of `sys_siglist' hacks.
6475 * mips_tfile.c: Likewise.
6477 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
6478 (GCC_NEED_DECLARATIONS): Likewise.
6480 * system.h (strsignal): Prototype it, if necessary.
6481 (sys_siglist): Declare it, if necessary.
6483 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6485 * loop.c (move_movables): While removing insn sequences, preserve
6486 the next pointer of the most recently deleted insn when we skip
6489 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
6491 * objc/config-lang.in: Do not output the name of the selected
6492 thread file when building the front-end. The Makefile for the
6493 runtime library will do this.
6495 * objc/Make-lang.in: Do not build the runtime library or install
6496 the Objective C header files. The Makefile for the runtime
6497 library will do this.
6499 * objc/Makefile.in (all.indirect): Only build the front-end.
6500 (compiler): Rename to `frontend'.
6501 (obj-runtime): Remove target.
6502 (copy-headers): Likewise.
6503 (clean): No need to remove `libobjc.a' any longer.
6505 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
6507 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
6508 supported with -mcpu=xxx.
6510 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6512 * flow.c (mark_set_1): Recognize multi-register structure return
6513 values in CALL insns.
6514 (mark_used_regs): Likewise.
6515 (count_reg_sets_1): Likewise.
6516 (count_reg_references): Likewise.
6517 * rtlanal.c (note_stores): Likewise.
6518 (reg_overlap_mentioned_p): Likewise.
6519 * haifa-sched.c (check_live_1): Likewise.
6520 (update_live_1): Likewise.
6521 (sched_analyze_1): Likewise.
6522 (sched_note_set): Likewise.
6523 (birthing_insn_p): Likewise.
6524 (attach_deaths): Likewise.
6526 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
6529 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
6531 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
6533 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6535 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
6537 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6539 * configure.in: Add check for GAS subsection -1 support.
6540 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
6541 * configure config.in: Rebuilt.
6542 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
6543 SImode is subsection -1 works, else use DImode.
6544 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
6545 subsection -1 works.
6546 * config/sparc/sparc.c (sparc_output_addr_vec,
6547 sparc_output_addr_diff_vec): Use them if defined.
6549 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
6551 * tree.h (DECL_ORIGIN): New macro.
6552 * integrate.c (copy_and_set_decl_abstract_origin): New function.
6553 (copy_decl_list): Use it.
6554 (integrate_parm_decls): Likewise.
6555 (integrate_decl_tree): Likewise.
6556 * dwarf2out.c (decl_ultimate_origin): Simplify.
6557 * dwarfout.c (decl_ultimate_origin): Likewise.
6558 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
6559 (pushdecl): Likewise.
6561 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
6563 * config/rs6000/rs6000.c (output_epilog): Add Java support.
6565 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
6567 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
6569 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
6571 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
6572 empty or has a single entry.
6574 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
6575 before calling reg_to_stack.
6577 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
6579 * alpha.c (alphaev5_insn_pipe): Abort on default case.
6580 (alphaev5_next_group): Swallow CLOBBERs and USEs.
6582 * c-tree.h (warn_long_long): Declare it.
6584 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
6586 * emit-rtl.c (gen_lowpart_common): Disable optimization of
6587 initialized float-int union if the value is a NaN.
6589 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
6591 * c-lex.c (real_yylex): Don't warn about long long constants if
6592 we're allowing long long
6594 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6596 * except.h (current_function_eh_stub_label): Declare.
6597 (current_function_eh_old_stub_label): Declare.
6598 * function.h (struct function): New members eh_stub_label and
6600 * except.c (current_function_eh_stub_label): New variable.
6601 (current_function_eh_old_stub_label): New variable.
6602 (init_eh_for_function): Clear them.
6603 (save_eh_status): Save them.
6604 (restore_eh_status): Restore them.
6605 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
6606 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
6607 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
6608 make an edge from the block that contains it to the block starting
6609 with the label if this label is one of the eh stub labels.
6610 If eh stub labels exist, show they are reachable from the last block
6613 * reload1.c (reload): Break out several subroutines and make some
6615 (calculate_needs_all_insns): New function, broken out of reload.
6616 (calculate_needs): Likewise.
6617 (find_reload_regs): Likewise.
6618 (find_group): Likewise.
6619 (find_tworeg_group): Likewise.
6620 (something_needs_reloads): New global variable, formerly in reload.
6621 (something_needs_elimination): Likewise.
6622 (caller_save_spill_class): Likewise.
6623 (caller_save_group_size): Likewise.
6624 (max_needs): Likewise.
6625 (group_size): Likewise.
6626 (max_groups): Likewise.
6627 (max_nongroups): Likewise.
6628 (group_mode): Likewise.
6629 (max_needs_insn): Likewise.
6630 (max_groups_insn): Likewise.
6631 (max_nongroups_insn): Likewise.
6632 (failure): Likewise.
6634 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
6636 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
6638 * loop.c (load_mems): Copy rtx for output mem.
6640 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
6642 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
6643 mips1 or mips2 either.
6645 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
6647 * pa.c (pa_reorg): New marking scheme for jumps inside switch
6649 (pa_adjust_insn_length): Update to work with new marking scheme
6650 for jumps inside switch tables.
6651 * pa.md (switch_jump): Remove pattern.
6652 (jump): Handle jumps inside jump tables.
6654 * Makefile.in (profile.o): Depend on insn-config.h
6656 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
6658 * iris6.h (DWARF2_UNWIND_INFO): Undef.
6660 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6662 Add preliminary native sparcv9 Solaris support.
6663 * configure.in: Recognize sparv9-*-solaris2*
6664 * configure: rebuilt
6665 * config.sub: Recognize sparcv9 just like sparc64.
6666 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
6667 config/sparc/sol2-cn.asm: Macroize so it can be shared between
6668 32-bit and 64-bit Solaris systems.
6669 * config/sparc/t-sol2: Assemble those with cpp.
6670 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
6671 (*TF*_LIBCALL): If ARCH64 use V9 names.
6672 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
6674 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6676 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
6677 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
6679 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
6681 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
6682 to Pmode if CASE_VECTOR_MODE is something else.
6684 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
6686 * prefix.c (update_path): Correctly handle cases where PATH is
6687 a substring of the builtin prefix, but specifies a different
6690 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
6692 * expr.c: Corrected comment about what MOVE_RATIO does.
6693 * config/alpha/alpha.h: Ditto.
6694 * config/1750a/1750a.h: Ditto.
6695 * config/clipper/clipper.h: Ditto.
6696 * config/i386/i386.h: Ditto.
6698 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
6700 * configure.in (m68k-next-nextstep3*): Use collect2.
6701 Similarly for x86 NeXT configurations.
6702 * configure: Rebuilt.
6704 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
6706 * configure.in: Don't assume srcdir is .../gcc
6707 * configure: Rebuilt.
6709 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
6711 * global.c: Update comments.
6712 (global_alloc): Assign allocation-numbers
6713 even for registers allocated by local_alloc in case
6714 they are later spilled and retry_global_alloc is called.
6715 (mark_reg_store, mark_reg_clobber,
6716 mark_reg_conflicts, mark_reg_death): Always record a
6717 conflict with a pseudo register even if it has been
6718 assigned to a hard register.
6719 (dump_conflicts): Don't list pseudo registers already assigned to
6720 a hard register as needing to be allocated, but do list their
6722 * local-alloc.c: Update comment.
6724 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
6726 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
6727 * configure: Rebuilt.
6729 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
6731 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
6733 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
6734 for all targets that set -msoft-float.
6736 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6738 * toplev.c (print_switch_values): Make static to match prototype.
6740 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
6742 * configure.in: If we are unable to find the "gnatbind" program,
6743 then do not configure the ada subdir.
6744 * configure: Rebuilt.
6746 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
6748 * version.c: Bump for snapshot.
6750 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
6752 * version.c: Bump for snapshot.
6754 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6756 * Makefile.in (toplev.o): Depend on $(EXPR_H).
6757 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
6759 * gansidecl.h: Define ATTRIBUTE_NORETURN.
6761 * genattrtab.c: Have insn-attrtab.c include toplev.h.
6763 * genextract.c: Have insn-extract.c include toplev.h.
6765 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
6767 * toplev.c: Include expr.h.
6768 (really_sorry, fancy_abort): Remove prototypes.
6769 (set_target_switch): Add argument in prototype.
6770 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
6771 (v_really_sorry): Likewise.
6772 (print_version, print_single_switch, print_switch_values): Make
6773 static and add prototype arguments.
6774 (decl_printable_name): Add prototype arguments.
6775 (lang_expand_expr_t): New typedef.
6776 (lang_expand_expr): Declare as a lang_expand_expr_t.
6777 (incomplete_decl_finalize_hook): Add prototype argument.
6778 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
6779 (botch): Likewise for variable `s'.
6780 (rest_of_type_compilation): Mark variables `type' and `toplev'
6781 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
6782 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
6783 (display_help): Make variable `i' an `unsigned long'.
6784 (main): Remove unused parameter `envp'.
6785 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
6786 Cast -1 when comparing it with a `size_t'.
6788 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
6789 prototype with ATTRIBUTE_NORETURN.
6790 (fatal_insn_not_found, fatal_insn, really_sorry,
6791 push_float_handler, pop_float_handler): Add prototypes.
6792 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
6793 (do_abort, botch): Add prototypes.
6795 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
6797 * final.c (final): If a label is reached only from a single jump,
6798 call NOTICE_UPDATE_CC on the jump and its predecessor before
6799 emitting the insn after the label.
6801 * i386.h: Add AMD K6 support.
6802 Change TARGET_* macros to use table lookup.
6803 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
6804 (ADJUST_COST): Change definition to call function in i386.c.
6805 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
6806 * i386.c: Add AMD K6 support.
6807 Add constants for feature tests used by TARGET_* macros.
6808 (split_di): If before reload, call gen_lowpart and gen_highpart.
6809 (x86_adjust_cost): New function.
6810 (put_jump_code): New function.
6811 (print_operand): New codes 'D' and 'd'.
6812 * i386.md: New insn types. New insn attribute "memory".
6813 Redefine scheduling parameters to use new types and add AMD K6
6814 support. Explicitly set type of most insns.
6815 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
6816 Pro and K6 prefer movl $1,reg to incl reg.
6817 (adddi3, subdi3): Set cc_status.
6818 (DImode shift patterns): Change label counters from HOST_WIDE_INT
6819 to int; x86 can't have more than 2^31 DImode shifts per file.
6820 (setcc): Combine all setcc patterns. Allow writing memory.
6821 Combine all jump patterns using match_operator.
6822 (*bzero): Name pattern. Emit mutliple stos instructions when that
6823 is faster than rep stos.
6824 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
6827 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
6829 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
6832 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
6834 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
6835 not whatever we're generating now.
6837 * alpha.c (set_frame_related_p, FRP): New.
6838 (alpha_expand_prologue): Mark frame related insns.
6839 (alpha_expand_epilogue): Likewise, but with a null FRP.
6840 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
6841 * alpha.md (exception_receiver): New.
6842 * alpha/crtbegin.asm (.eh_frame): New beginning.
6843 (__do_frame_setup, __do_frame_takedown): New.
6844 * alpha/crtend.asm (.eh_frame): New ending.
6845 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
6846 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
6847 (ASM_FILE_START): Don't emit .file for dwarf2.
6849 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
6850 * rtl.c (reg_note_name): Likewise.
6851 * rtl.texi (REG_NOTES): Likewise.
6852 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
6855 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
6857 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
6858 * i386.md (movsf, movdf, movxf): Validate memory address returned
6859 from force_const_mem. Kill useless REG_EQUAL setting code.
6861 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
6863 * m68k.md (zero_extendsidi2): Fix typo.
6865 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
6867 * configure.in: Removed references to the removed file
6868 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
6869 * arm*-*-netbsd* and ns32k-*-netbsd*.
6870 * config/i386/xm-netbsd.h: Removed unnecessary file.
6871 * config/m68k/xm-netbsd.h: Likewise.
6872 * config/sparc/xm-netbsd.h: Likewise.
6873 * config/mips/xm-netbsd.h: Likewise.
6875 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
6877 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
6878 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
6880 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
6881 for exact section attributions.
6883 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
6885 * i386/crtdll.h (CPP_PREDEFINES): Define.
6887 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
6889 * m68k.md (5200 movqi): Do not allow byte sized memory references
6891 * m68k.c (output_move_qimode): Do not use byte sized operations on
6894 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
6895 explicit rules for building. Similarly for alloca, vfprintf,
6896 choose-temp and mkstemp, getopt, getopt1, and obstack.
6897 (INCLUDES): Add $(srcdir)/../include.
6898 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
6899 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
6901 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
6903 * gcc.c (do_spec_1): [case 'o'] Account for
6904 lang_specific_extra_outfiles.
6905 (main): Correctly clear all slots in outfiles for
6906 lang_specific_extra_outfiles. Set input_file_number before
6907 calling lang_specific_pre_link.
6909 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
6911 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
6913 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6915 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
6917 (sparc_output_deferred_case_vectors): If no work to do, return.
6918 Fix thinko in Sept 1 change.
6920 1998-09-03 SL Baur <steve@altair.xemacs.org>
6922 * Makefile.in: add semicolon in BISON definition for portability.
6924 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
6926 * config/nextstep.c (handle_pragma): Correct name of third
6929 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
6931 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
6932 * config/m32r/m32r.h: Make register 17 be fixed.
6933 * config/m32r/m32r.c: Use SImode for cc operations.
6935 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
6937 * invoke.texi (Warning Options): Add -Wnon-template-friend
6940 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
6942 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
6944 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
6946 * rs6000.md (movsf): Disable explicit secondary-reload-like
6947 functionality if TARGET_POWERPC64.
6948 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
6951 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
6953 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
6954 and term.h from fixinc.wrap.
6956 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6958 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
6959 safe to include both string.h and strings.h together.
6960 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
6961 which headers to search for function declarations. Continue to
6962 prefer string.h over strings.h when both are not acceptable.
6964 * acconfig.h (STRING_WITH_STRINGS): Add stub.
6966 * configure.in: Call GCC_HEADER_STRING.
6968 * system.h: Test STRING_WITH_STRINGS when deciding which headers
6969 to include. Continue to prefer string.h over strings.h when both
6972 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6974 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
6975 not assume top 32-bits of symbolic addresses are zero if
6978 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
6980 * ginclude/va-alpha.h: Protect entire second portion of the
6981 file against double inclusion.
6983 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
6985 Added support for the Boehm's garbage collector.
6986 * configure.in: Handle --enable-objc-gc.
6987 * configure: Rebuilt.
6988 * Makefile.in (CHECK_TARGETS): Add check-objc.
6989 (check-objc): New rule.
6990 * objc/Make-lang.in: Build a different Objective-C library that
6991 runs with the Boehm's collector.
6992 * objc/encoding.c (objc_round_acc_size_for_types): New function.
6993 * objc/encoding.c: Correctly compute the size of compound types in
6994 the presence of bitfields. Skip the variable name of the type if
6995 any. Added support for long long.
6996 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
6997 (_F_GCINVISIBLE): New mask.
6998 * objc/gc.c: New file. Compute the type memory mask associated with
6999 a class based on the runtime information.
7000 * objc/misc.c: Added the hooks that use the Boehm's collector
7001 allocation functions.
7002 * objc/objc-act.c (build_class_template): Generate a new class
7003 member (gc_object_type) to hold the class' type memory mask.
7004 (build_shared_structure_initializer): Initialize the new member to
7006 (encode_complete_bitfield): New function. Generate the new
7008 (encode_field_decl): Generate the new encoding only for the GNU
7010 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
7012 (class_get_gc_object_type): New function to mark a pointer instance
7013 variable as a weak pointer.
7014 * objc/objc-features.texi: New file.
7015 * objc/objc.h (gc_object_type): New class member.
7016 * objc/objects.c (class_create_instance): Create a typed memory
7017 object when compiled with Boehm's collector support.
7018 * objc/sendmsg.c (__objc_init_install_dtable): Call
7019 __objc_send_initialize instead of setting the initialize flag.
7020 (__objc_send_initialize): Call __objc_generate_gc_type_description
7021 to generate the class type memory mask. Rewrite the code that
7022 sends the +initialize so that it is called only once (bug report
7023 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
7024 * testsuite/objc: New testsuite for Objective-C type encoding.
7025 * testsuite/lib/objc-torture.exp: New file.
7026 * testsuite/lib/objc.exp: New file.
7028 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
7030 * jump.c (jump_optimize): In if/then/else transformations, add
7031 another call to modified_between_p for the jump insn.
7033 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
7035 * fix-header.c (symlink): Treat like readlink.
7037 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7039 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
7042 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
7044 * config/nextstep.h: Update HANDLE_PRAGMA macro.
7045 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
7046 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
7048 * config/nextstep.c (handle_pragma): Take three arguments, as per
7049 the new HANDLE_PRAGMA macro specification.
7050 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
7051 per the new HANDLE_PRAGMA macro specification.
7052 * config/i960/i960.c (process_pragma): Take three arguments, as
7053 per the new HANDLE_PRAGMA macro specification.
7055 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
7057 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
7058 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
7059 if unknown pragmas are encountered.
7060 (handle_sysv_pragma): Interpret return code from
7061 handle_pragma_token (). Return success/failure indication rather
7062 than next unprocessed character.
7063 (pragma_getc): New function: retrieves characters from the
7064 input stream. Defined when HANDLE_PRAGMA is enabled.
7065 (pragma_ungetc): New function: replaces characters back into the
7066 input stream. Defined when HANDLE_PRAGMA is enabled.
7068 * c-pragma.c (handle_pragma_token): Return success/failure status
7071 * c-pragma.h: Change prototype of handle_pragma_token().
7073 * varasm.c: (handle_pragma_weak): Only create this function if
7074 HANDLE_PRAGMA_WEAK is defined.
7076 * c-common,c (decl_attributes): If defined call the expression
7077 contained within the INSERT_ATTRIBUTES macro before adding
7078 attributes to a decl.
7080 * tm.texi (HANDLE_PRAGMA): Document the new verion of
7081 HANDLE_PRAGMA, which takes three arguments.
7082 (INSERT_ATTRIBUTES): Document this new macro.
7084 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
7085 new INSERT_ATTRIBUTES macro.
7087 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7089 * config/sparc/sparc.md (movdf): Only generate special RTL for
7090 LABEL_REFs when PIC.
7091 (move_label_di): Remove
7092 (movdi_pic_label_ref, movdi_high_pic_label_ref,
7093 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
7094 references when PIC.
7095 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
7096 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
7097 output an .xword for all 64-bit cases.
7099 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7101 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
7102 alignment, use FUNCTION_BOUNDARY instead.
7103 (sparc_output_deferred_case_vectors): Likewise.
7105 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7107 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
7108 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
7110 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
7112 * alpha/va_list.h: New file.
7113 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
7115 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
7117 * NEWS: Add SCO Openserver and Unixware 7 notes.
7121 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
7123 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
7124 (record_constant_1): Handle RANGE_EXPR.
7126 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
7128 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
7129 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
7130 and NOTE_INSN_RANGE_END specially.
7131 (reemit_notes): Likewise.
7133 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7135 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
7136 (ultrasparc_sched_init): Remove unneeded &.
7138 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7140 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
7141 for m68020-60, to prevent the use of fintrz.
7143 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
7145 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
7147 * Makefile.in: Likewise.
7148 * configure: Regenerated.
7150 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
7152 * configure.in (gxx_include_dir): Changed to
7153 '${prefix}/include/g++'-${libstdcxx_interface}.
7154 * configure: Rebuilt.
7156 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
7158 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
7160 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
7161 *sequences* *below* which scalar moves will be used.
7163 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
7165 * collect2.c (mktemp): Delete unused declaration.
7167 * config/xm-netbsd.h: Remove unnecessary file.
7168 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
7169 file anymore, it is not needed.
7171 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
7173 * convert.c (convert_to_integer): Issue an error on conversions to
7176 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
7178 * Makefile.in: Add lang_tree_files and gencheck.h.
7179 * configure.in: Generate them.
7180 * gencheck.c: Include gencheck.h.
7182 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7184 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
7185 movdi_lo_sum_pic and movdi_high_pic and make visible.
7186 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
7187 emit these when Pmode is not SImode.
7188 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
7190 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
7192 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
7193 .linkonce directive after the first time.
7195 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
7197 * m68k.md (beq0_di): Generate correct (and more efficient) code when
7198 the clobbered operand overlaps with an input.
7199 (bne0_di): Similarly.
7201 * Makefile.in (INSTALL): Remove "--no-header" argument.
7203 * NEWS: Various updates.
7205 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7207 * config/sparc/sparc.c (arith_operand, const64_operand,
7208 const64_high_operand, arith_double_4096_operand): Mark mode as
7210 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
7212 (sparc_emit_set_const64): Remove unused variable i.
7213 (sparc_splitdi_legitimate): Likewise for addr_part.
7214 (ultra_code_from_mask): Likewise for mask.
7215 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
7216 reverse return values so it matches usage and comments.
7217 (ultra_flush_pipeline): Likewise.
7218 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
7219 this_type, and allow loads and stores of differing FP modes as
7220 they do not create a conflict.
7221 (ultra_find_type): Initialize fpmode to SFmode, fix
7222 parenthesization thinkos in large conditional.
7223 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
7224 Init free_slot_mask after ultra_cur_hist is reset, not before.
7225 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
7226 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
7227 use ultra_flush_pipeline instead, then re-init group pointer.
7228 Fix statement with no effect. If no progress made in, and no
7229 instructions scheduled at all, advance to new pipeline cycle else
7230 we get into an endless loop.
7231 (ultrasparc_adjust_cost): Remove previous arg.
7232 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
7234 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
7236 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
7237 code. Use reg_overlap_mentioned_p to detect when source and
7238 destination overlap.
7239 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
7241 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
7243 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
7244 COMPARISON_VAL, into invariant_p.
7246 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7248 * regmove.c (regclass_compatible_p): New function.
7249 (regmove_optimize): Use it.
7251 Use NREGS parameter insted of calling max_reg_num.
7253 (fixup_match_1): Don't use code = MINUS when later tieing with
7254 a hard register is likely.
7256 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7258 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
7259 COMPARISON_VAL was normalized.
7261 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
7263 * loop.c (check_dbra_loop): The loop ending comparison value
7264 must be an invariant or we can not reverse the loop.
7266 * loop.c (scan_loop): Count down from max_reg_num - 1 to
7267 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
7269 (load_mems_and_recount_loop_regs_set): Likewise.
7271 * i386.c (print_operand): Remove obsolete 'c' docs.
7273 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
7275 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
7276 * frame.c (init_object_mutex): New function.
7277 (init_object_mutex_once): Likewise.
7278 (find_fde): Call it.
7279 (__register_frame_info): Likewise.
7280 (__register_frame_info_table): Likewise.
7281 (__deregister_frame_info): Likewise.
7283 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
7285 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
7287 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7289 * loop.c (check_dbra_loop): Enable code for reversal
7290 of some loops without a known constant loop end.
7292 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
7294 * haifa-sched.c (last_clock_var): New.
7295 (schedule_block): Initialize it.
7296 (schedule_insn): Use it to fill insn modes with issue information.
7298 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
7299 Tag trapb and next insn with TImode.
7300 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
7301 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
7302 Invoke alphaev5_align_insns as appropriate.
7303 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
7304 (MD_SCHED_VARIABLE_ISSUE): New.
7305 * alpha.md (attr type): Add multi.
7306 (define_asm_attributes): New.
7307 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
7308 (arg_home): Likewise.
7309 (fnop, unop, realign): New.
7311 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
7313 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
7314 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
7316 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
7317 (rs6000-ibm-aix4.[12]*): Likewise.
7318 * configure: Regnerate.
7320 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
7322 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
7323 already contains the return address.
7325 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
7327 * calls.c (expand_call): Use bitfield instructions to extract/deposit
7328 word sized hunks when loading unaligned args into registers.
7330 * haifa-sched.c (sched_analyze_insn): Only create scheduling
7331 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
7333 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
7335 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7337 * loop.c (check_dbra_loop): Add some code that would allow reversal
7338 of some loops without a known constant loop end if it were enabled.
7340 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
7342 * mips.md (lshrsi3_internal2+2): Fix type-o.
7344 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7346 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
7347 correctly with regards to stdio.h.
7349 * calls.c: Remove stdarg.h/varargs.h.
7352 * combine.c: Likewise.
7353 * cpperror.c: Likewise.
7354 * cpplib.c: Likewise.
7355 * cpplib.h: Likewise.
7356 * doprint.c: Likewise.
7357 * emit-rtl.c: Likewise.
7358 * final.c: Likewise.
7359 * fix-header.c: Likewise.
7361 * genattr.c: Likewise.
7362 * genattrtab.c: Likewise.
7363 * gencodes.c: Likewise.
7364 * genconfig.c: Likewise.
7365 * genemit.c: Likewise.
7366 * genextract.c: Likewise.
7367 * genflags.c: Likewise.
7368 * genopinit.c: Likewise.
7369 * genoutput.c: Likewise.
7370 * genpeep.c: Likewise.
7371 * genrecog.c: Likewise.
7372 * mips-tfile.c: Likewise.
7373 * prefix.c: Likewise.
7374 * protoize.c: Likewise.
7375 * regmove.c: Likewise.
7376 * toplev.c: Likewise.
7379 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7381 * config/sparc/sparc.c (sparc_override_options): If not
7382 TARGET_FPU, turn off TARGET_VIS.
7383 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
7384 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
7385 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
7386 (movdi_insn_sp64): Add VIS fzero alternative.
7387 (clear_sf, clear_df): New VIS patterns.
7388 (movsf, movdf expanders): Allow fp_zero_operand flat out when
7390 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
7392 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
7394 * loop.c (n_times_set, n_times_used, may_not_optimize,
7395 reg_single_usage): Convert to varrays. All uses changed.
7396 (insert_loop_mem): Return a value.
7397 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
7398 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
7401 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
7404 * configure.in: Do not set thread_file to "irix" since no such
7407 * sparc.md (float abs/neg splits): Check reload_completed before
7408 calling alter_subreg.
7410 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7412 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
7414 * config/sparc/sparc.h: Declare it.
7415 * config/sparc/sparc.md (float abs/neg splits): Use it.
7416 (all other splits): Handle SUBREGs properly where necessary.
7417 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
7419 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
7421 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
7422 an insn on the unfilled_slots_list that has no delay slots.
7423 (fill_eager_delay_slots): Similarly.
7425 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
7427 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
7428 as an ordinary operand.
7430 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
7432 * tree.c (valid_machine_attribute): Don't apply attributes to both
7435 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
7437 * reload.c (operands_match_p): Handle rtvecs.
7439 * i386.c (legitimate_pic_address_disp_p): New.
7440 (legitimate_address_p): Use it.
7441 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
7442 Handle constant pool symbols just like statics.
7443 (emit_pic_move): Use Pmode not SImode for clarity.
7444 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
7445 [UNSPEC]: New, handling what we killed above.
7446 [PLUS]: Detect and abort on invalid symbol arithmetic.
7447 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
7449 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
7451 * alias.c: Include output.h.
7452 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
7453 different if we're in a varargs function.
7454 * Makefile.in (alias.o): Depend on output.h
7456 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7458 * sh.h (GIV_SORT_CRITERION): Delete.
7460 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
7462 * regclass.c (regclass): Use xmalloc/free instead of alloca.
7463 * stupid.c (stupid_life_analysis): Ditto.
7464 * reload1.c (reload): Ditto.
7466 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7468 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
7469 arith_double_4096_operand, arith_double_add_operand): New
7471 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
7472 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
7473 them to transform add/sub 4096 into add/sub -4096.
7475 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7477 * loop.c (scan_loop): Allocate some slop to handle pseudos
7478 generated by move_movables.
7479 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
7482 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
7484 * tree.def (DECL_RESULT): Correct documentation.
7486 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7488 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
7489 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
7490 conflicts will all RELOAD_FOR_OUTPUT reloads.
7492 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
7493 loads the function result, substitute with a USE.
7495 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7497 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
7498 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
7499 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
7500 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
7501 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
7502 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
7504 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
7505 'o' to 'm' for GPR variant constraints.
7507 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
7509 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
7511 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
7513 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
7514 when the source and destination overlap.
7516 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
7517 clash with global type.
7519 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
7521 * fixinc.irix: Add curses.h handling from fixinc.wrap.
7523 * c-common.c (combine_strings): Also set TREE_READONLY.
7524 Change warn_write_strings to flag_const_strings.
7525 * c-decl.c, c-tree.h: Likewise.
7527 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7529 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
7530 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
7531 sequence, use SET/IOR instead so CSE can see it.
7532 * config/sparc/sparc.md (movhi_const64_special,
7533 movsi_const64_special): New patterns necessitated by that change.
7534 (movhi_high): Remove.
7535 (movhi_lo_sum): Change to match an IOR.
7536 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
7537 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
7538 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
7539 (movdf splits): Allow when not V9 or when not ARCH64 and integer
7540 registers are involved.
7541 (snesi_zero_extend split): Remove reload_completed test.
7542 (unnamed plus and minus zero_extend sidi splits): Add it.
7544 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
7546 * extend.texi: Remove description of extension to explicit
7547 instantiation that is now endorsed by standard C++.
7549 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7551 * config/arc/arc.c (arc_initialize_pic): Remove.
7552 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
7553 nothing on any platform and is invoked by no-one, it does not even
7554 appear in the documentation.
7555 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
7556 * config/sparc/sparc.c (initialize_pic): Likewise.
7557 (find_addr_reg): Remove this as well, no longer referenced after
7560 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
7562 * recog.c (validate_replace_rtx_group): New function.
7563 * recog.h (validate_replace_rtx_group): Declare it.
7564 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
7565 the entire group of substitutions.
7567 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
7569 * loop.c (load_mems): Fix initializers.
7571 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7573 * config/sparc/sparc.md (TFmode splits): Handle destination
7574 registers being referenced in the address correctly.
7576 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
7577 TREE_UNSIGNED, when bitsize of type's mode is larger than
7578 HOST_BITS_PER_WIDE_INT.
7580 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7582 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
7583 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
7584 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
7586 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
7589 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
7591 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
7592 * h8300.h (TINY_DATA_NAME_P): Likewise.
7593 (STRIP_NAME_ENCODING): Handle '&'.
7595 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
7596 register (it could be accessed via an outer SUBREG).
7597 (REG_OK_FOR_BASE_P): Likewwise.
7598 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
7600 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
7603 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
7605 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7607 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
7608 must be offsettable so the splits can be made.
7610 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
7612 * config/i386/winnt.c: Include system.h, not stdio.h to get
7613 sys/param.h pulled in before rtl.h in case the system defines MIN
7616 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
7618 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
7620 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
7622 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
7624 * cpplib.c (cpp_define): Handle macros with parameters.
7626 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7628 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
7629 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
7630 and DImode 64-bit. Use llong for minimal-toc SFmode and
7631 SYMBOL_REF / LABEL_REF 64-bit.
7632 (output_function_profiler): Use llong for profiler label and ld to
7633 load 64-bit label address.
7635 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
7637 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
7640 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
7642 * version.c: Bump for snapshot.
7644 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
7646 * version.c: Bump for snapshot.
7648 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
7650 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
7652 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
7654 * tm.texi (Misc): Fix typo "teh".
7656 * tm.texi (PIC): Fix typo "PPIC".
7658 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
7659 effect when -O2 and higher.
7660 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
7662 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
7664 * regclass.c: Changed register set documentation to be consistent
7667 * final.c (final_start_function) Removed redundant test for
7670 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
7672 * rtl.h (rtx_function): New type.
7673 (for_each_rtx): New function.
7674 * rtlanal.c (for_each_rtx): Define it.
7676 * recog.c (change_t): New type.
7677 (change_objects, change_old_codes, change_locs, change_olds):
7679 (changes): New variable.
7680 (validate_change): Dynamically allocate room for more changes, if
7681 necessary. Uses changes array instead of change_objects, etc.
7682 (apply_change_group): Use changes array instead of
7683 change_objects, etc.
7685 * loop.c (loop_mem_info): New type.
7686 (loop_mems): New variable.
7687 (loop_mems_idx): Likewise.
7688 (looop_mems_allocated): Likewise.
7689 (scan_loop): Remove nregs parameter.
7690 (next_insn_in_loop): New function.
7691 (load_mems_and_recount_loop_regs_set): Likewise.
7692 (load_mems): Likewise.
7693 (insert_loop_mem): Likewise.
7694 (replace_loop_mem): Likewise.
7695 (replace_label): Likewise.
7696 (INSN_IN_RANGE_P): New macro.
7697 (loop_optimize): Don't pass max_reg_num() to scan_loop.
7698 (scan_loop): Remove nregs parameter, compute it after any new
7699 registers are created by load_mems. Use INSN_IN_RANGE_P and
7700 next_insn_in_loop rather than expanding them inline. Call
7701 load_mems to load memory into pseudos, if appropriate.
7702 (prescan_loop): Figure out whether or not there are jumps from the
7703 loop to targets other than the label immediately following the
7704 loop. Call insert_loop_mem to notice all the MEMs used in the
7705 loop, if it could be safe to pull MEMs into REGs for the duration
7707 (strength_reduce): Use next_insn_in_loop. Tweak comments.
7709 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
7711 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
7713 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7715 * config/sparc/sparc.c (finalize_pic): Check for the correct
7716 nonlocal_goto_receiver UNSPEC number.
7717 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
7718 making note of this dependency existing in sparc.c
7719 (negtf2_notv9 split): Give NEG SFmode.
7720 (negsf2): Fix insn output string.
7722 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
7724 * c-common.c (decl_attributes): Issue an error if the argument
7725 to alias is not a string.
7727 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
7729 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
7730 pending memory flush list.
7732 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
7734 (try_combine): Allow combining insns with REG_LIBCALL notes.
7736 * expr.c (emit_block_move): Do not call memcpy as a libcall
7737 instead build up a CALL_EXPR and call it like any other
7739 (clear_storage): Similarly for memset.
7741 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
7744 * Makefile.in (cplus-dem.o): Provide explicit rules for building
7747 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
7748 and REG_LIVE_LENGTH as successful substitutions are made.
7750 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7752 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
7753 statement after end of loop label.
7755 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7757 * config/sparc/sparc.c (ultra_types_avail): New variable.
7758 (ultra_build_types_avail): New function to record mask of insn
7759 types in ready list at this cycle.
7760 (ultrasparc_sched_reorder): Call it.
7761 (ultra_find_type): Use it to quicken the search. Also simplif
7762 dependency check, don't use rtx_equal_p because we know exactly
7763 what we are looking for.
7765 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
7767 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
7768 for architecture v4.
7770 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7772 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
7774 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
7775 movdf_const_intreg and helper splits): New patterns to move float
7776 constants into integer registers.
7777 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
7780 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
7783 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
7785 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
7787 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
7788 a BASE_REGS register is needed as an intermediate when copying
7789 a symbolic value into any register class other than BASE_REGS.
7791 * expr.c (move_by_pieces): No longer static. Remove prototype.
7792 * rtl.h (move_by_pieces): Add extern prototype.
7793 * mips.c (expand_block_move): Handle aligned straight line copy by
7794 calling move_by_pieces.
7796 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
7799 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
7801 * stmt.c (expand_end_loop): Tidy. Allow unconditional
7802 jumps out of the loop to be treated as part of the exit test.
7804 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7805 Jeff Law <law@cygnus.com>
7807 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
7808 * cplus-dem.c: Delete.
7810 * Makefile.in (fold-const.o): depend on $(RTL_H).
7812 * fold-const.c: Include rtl.h to get the prototype for
7813 `set_identifier_local_value'.
7815 * loop.c (express_from_1): Remove unused variable `tmp'.
7816 (combine_givs): cast the first argument of bzero to char *.
7818 * toplev.c (display_help): Remove unused variable `looking_for_start'.
7820 * c-decl.c (init_decl_processing): Remove unneeded &.
7822 * alpha.h (alpha_initialize_trampoline): Provide prototype.
7824 * except.c (set_exception_lang_code, set_exception_version_code):
7825 Change parameter from `short' to `int' to avoid using a gcc
7828 * except.h (set_exception_lang_code, set_exception_version_code):
7829 Likewise for prototypes.
7831 * flow.c (count_reg_references): Remove unused variables `regno'
7834 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
7836 * prefix.c (translate_name): Cast the result of `alloca'.
7838 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
7840 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7842 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
7844 (valid_dbcc_comparison_p): Mark mode argument as unused.
7845 (symbolic_operand): Likewise.
7846 (legitimize_pic_address): Likewise.
7847 (const_uint32_operand): Likewise.
7848 (const_sint32_operand): Likewise.
7849 * sched.c [!INSN_SCHEDULING]: Define only dummy function
7850 schedule_insns and comment out rest of file.
7852 * m68k.c (output_move_simode_const): Use subl to move a zero into an
7854 (output_move_[hq]imode): Likewise.
7856 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
7858 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
7859 * invoke.texi: Corresponding changes.
7861 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
7863 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
7865 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7867 * config/sparc/sparc.c (ultra_code_from_mask,
7868 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
7869 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
7870 ultrasparc_sched_init, ultrasparc_variable_issue,
7871 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
7872 functions to describe UltraSPARC pipeline exactly to Haifa.
7873 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
7874 as there is nothing the scheduler can do about it. Indicate that
7875 REG_DEP_OUTPUT's collide. Fixup formatting.
7876 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
7877 divide costs on Ultra for DImode.
7878 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
7880 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
7881 ieuN and add call_no_delay_slot to type list.
7882 (cti function unit): New unit for branches on UltraSPARC.
7883 (subx/addx insns): Set type to misc.
7884 (sidi zero/sign extension insns on arch64): Set type to shift.
7885 (sign_extendhidi2_insn): Set type to sload.
7887 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
7889 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
7890 (output_epilog): Use if != 0 for offset.
7891 (rs6000_fatal_bad_address): Prepare for Intl.
7892 * rs6000.h (rs6000_fatal_bad_address): Declare.
7893 * rs6000.md (movsfcc, movdfcc): Use else if.
7894 (elf_high): Use {liu|lis}.
7895 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
7896 (movsi): Use rs6000_fatal_bad_address.
7898 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
7900 * reload.c (find_equiv_reg): Reject equivalences separated
7901 by a volatile instruction.
7903 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7905 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
7907 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
7909 * alpha.md (movsicc): Fix mode mismatch.
7911 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
7913 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
7915 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
7917 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7919 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
7920 write-only modifier from operand 1 constraint.
7922 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7924 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
7925 emitting a XOR of -1 at the end, emit a NOT instead for combine's
7927 (sparc_emit_set_const64): Likewise, also when computing trailing
7928 bits do not negate low_bits and make fast_int an int.
7930 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
7932 * loop.c (add_label_notes): Do not ignore references to labels
7933 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
7934 * gcse.c (add_label_notes): Similarly.
7936 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
7938 * m68k.md (adddi_dilshr32): One of the operands must be a register.
7939 (adddi_dishl32): Similarly.
7941 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
7943 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
7944 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
7945 * cse.c (cse_basic_block): Add parens to shut up warnings.
7947 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7949 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
7950 sparc_emit_set_const64_longway, const64_is_2insns,
7951 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
7952 in 64-bit constant formation.
7953 * config/sparc/sparc.md (snesi_zero_extend split): Generate
7954 rtl for addx not subx.
7955 (define_insn movdi_const64_special): Make available even when
7956 HOST_BITS_PER_WIDE_INT is not 64.
7957 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
7958 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
7959 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
7960 instances of operand 1 inside a QI subreg.
7961 (xordi3_sp64_dbl): Remove '%' constraint for op1.
7962 (one_cmpldi2_sp64): Fix output string.
7963 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
7965 (unnamed arch64 ashift DI): Truncate shift count if greater than
7968 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7970 * expr.c (store_expr): Don't optimize away load-store pair
7971 when either source or destination have a side effect.
7973 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
7975 * genrecog.c (add_to_sequence): Fatal error if the modes of the
7976 operands of SET are incompatible.
7978 * alpha.md: Fix max and min patterns so modes of SET operands match.
7980 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
7982 * configure.in: Avoid [[ by using test and changequote.
7983 * configure: Rebuild.
7985 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7987 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
7989 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
7990 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
7991 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
7992 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
7993 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
7994 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
7995 Fix mismatching modes in SET operands.
7996 (conditional move patterns): Fix formatting.
7997 (unnamed subx arch64 pattern): Remove duplicate insn.
7999 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8001 * config/sparc/sparc.c (const64_operand, const64_high_operand):
8002 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
8003 (input_operand): Fixup test for what we accept for constant
8005 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
8007 (safe_constDI): Remove.
8008 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
8009 gen_safe_XOR64): New functions.
8010 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
8011 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
8013 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
8014 available when HOST_BITS_PER_WIDE_INT is not 64.
8015 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
8016 move before movdi_insn_sp64 pattern.
8017 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
8018 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
8019 symbolic_operand as predicate for second operand.
8020 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
8021 expander): Give set VOIDmode.
8023 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
8025 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
8027 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
8029 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
8031 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
8033 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
8035 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
8037 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
8039 * install.texi: Various SCO OpenServer tweaks.
8041 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
8043 * reload1.c (eliminate_regs_in_insn): Handle another case when
8044 eliminating the frame pointer to the hard frame pointer. Add
8045 missing ep->to_rtx check to one existing case.
8047 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
8049 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
8051 * tree.h: De-conditionalize init_priority code.
8053 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
8054 * collect2.c (NM_FLAGS): Change from -p to -n.
8056 * configure.in: Turn on collect2 for mipstx39-elf.
8057 Handle use_collect2=no properly.
8059 * c-common.c: De-conditionalize init_priority code.
8060 * collect2.c (extract_init_priority, sort_ids): New fns.
8061 (main): Call sort_ids.
8062 Move sequence_number to file scope.
8064 * configure.in: Handle --enable-init-priority.
8065 * c-common.c (attrs): Add A_INIT_PRIORITY.
8066 (init_attributes, decl_attributes): Likewise.
8067 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
8068 * tree.c (get_file_function_name_long): Split out...
8069 (get_file_function_name): ...from here.
8071 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
8073 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
8076 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
8078 * toplev.c (display_help): Add braces to shut up warnings.
8079 * tree.c (simple_cst_equal): Likewise.
8081 * fold-const.c (non_lvalue): Don't deal with null pointer
8083 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8085 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
8086 of any size to a pointer.
8088 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
8090 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
8092 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
8094 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
8095 which will be saved.
8096 * mn10300.md (prologue insn): Only save registers which need saving.
8097 (epilogue insn): Similarly.
8099 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
8102 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
8104 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
8105 VAR_DECL's in gp addressable sections.
8107 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
8109 * sparc.c: Change return <exp> to <exp>; return; in functions
8111 * sparc.md: Add empty semicolon statement after final label in
8114 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8116 * config/sparc/sparc.md (define_insn addx_extend): Rename to
8117 addx_extend_sp64, only allow when TARGET_ARCH64.
8118 (define_insn addx_extend_sp32 and split): Version that works when
8120 (define_insn subx_extend): Likewise.
8121 (define_split adddi3 and subdi3 with zero extension): Fixup and
8122 correct bugs when not TARGET_ARCH64.
8124 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
8126 * except.c (set_exception_lang_code, set_exception_version_code):
8127 Use prototype-style definition if __STDC__, to match declaration
8130 * genemit.c: Change FAIL and DONE macros not to use loops.
8132 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
8134 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
8135 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
8137 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
8139 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
8141 * README.g77: Update from Craig.
8143 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8145 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
8147 (safe_constDI sparc_emit_set_const64_quick1,
8148 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
8149 analyze_64bit_constant, const64_is_2insns,
8150 create_simple_focus_bits): Fix some bugs when compiled on real
8152 (function_arg_record_value_3, function_arg_record_value_2,
8153 function_arg_record_value): Add fully prototyped forward decls.
8154 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
8155 to cmpsi_insn and use on both 64 and 32 bit targets.
8156 (define_insn cmpsi_insn_sp64): Remove.
8157 (define_expand zero_extendsidi2): Allow for 32-bit target too.
8158 (define_insn zero_extendsidi2_insn): Rename to
8159 zero_extendsidi2_insn_sp64.
8160 (define_insn zero_extendsidi2_insn_sp32): New pattern and
8161 assosciated forced split for it.
8163 * config/sparc/sparc.c (const64_operand, const64_high_operand):
8165 * config/sparc/sparc.h: Declare them.
8166 (PREDICATE_CODES): Add them.
8167 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
8168 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
8170 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
8172 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
8173 in v9 case as the latter makes the Solaris assembler crash.
8175 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8177 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
8178 for TFmode when !v9. We require offsettable memory addresses.
8179 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
8180 DFmode register number conversions.
8181 * config/sparc/sparc.md (define_split DFmode moves): If register
8182 is a SUBREG do alter_subreg on it before using.
8183 (define_expand movtf): Fixup comment about alignment on v9.
8184 (define_split TFmode moves): Don't use gen_{high,low}part, create
8185 explicit SUBREGs instead.
8187 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
8189 * Makefile.in (mbchar.o): Depend on mbchar.c.
8191 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8192 Richard Henderson <rth@cygnus.com>
8194 Rewrite Sparc backend for better code generation and
8195 improved sparc64 support.
8196 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
8198 * config/sparc/sysv4.h: Likewise.
8199 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
8200 move_operand, v8plus_regcmp_op, emit_move_sequence,
8201 singlemove_string, doublemove_string, mem_aligned_8,
8202 output_move_double, output_move_quad, output_fp_move_double,
8203 move_quad_direction, output_fp_move_quad, output_scc_insn):
8205 (small_int_or_double): New predicate.
8206 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
8207 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
8208 old pic_{sethi,lo_sum}_si patterns.
8209 (mem_min_alignment): New generic function to replace
8210 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
8211 available and can test for arbitrary alignments. All callers
8213 (save_regs, restore_regs, build_big_number,
8214 output_function_prologue, output_cbranch, output_return,
8215 sparc_flat_save_restore, sparc_flat_output_function_prologue,
8216 sparc_flat_output_function_epilogue): Prettify
8218 (output_function_epilogue): Likewise and add code to output
8219 deferred case vectors.
8220 (output_v9branch): Likewise, add new arg INSN and use it to tack
8221 on branch prediction settings. All callers changed.
8222 (print_operand): Likewise and output %l44 for LO_SUMs when
8224 (sparc_splitdi_legitimate): New function to make sure DImode
8225 splits can be run properly when !arch64.
8226 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
8227 Reformat example code in comments.
8228 (set_extends): Remove UNSPEC/v8plus_clear_high case.
8229 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
8230 of deferred case vectors we need to output.
8231 (sparc_defer_case_vector): Record a case vector.
8232 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
8233 sparc_output_deferred_case_vectors): New functions to output them.
8234 (sparc_emit_set_const32): New function to form 32-bit constants in
8235 registers when that requires more than one instruction.
8236 (safe_constDI, sparc_emit_set_const64_quick1,
8237 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
8238 analyze_64bit_constant, const64_is_2insns,
8239 create_simple_focus_bits, sparc_emit_set_const64): New functions
8240 which do the same for 64-bit constants when arch64.
8241 (sparc_emit_set_symbolic_const64): New function to emit address
8242 loading for all code models on v9.
8243 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
8244 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
8245 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
8246 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
8247 inaccuracies in comments, add symbolic and text_segment operands
8248 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
8249 GENERAL_REGS in these cases as a temp REG is needed to load these
8250 addresses into a register properly.
8251 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
8253 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
8254 quads are guarenteed to have 16-byte alignment.
8255 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
8256 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
8257 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
8258 deferred case vector implementation.
8259 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
8260 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
8261 Generate "internal label - label" instead of "label - 1b".
8262 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
8263 (PREDICATE_CODES): Remove sparc_operand, move_operand,
8264 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
8266 (doublemove_string, output_block_move, output_fp_move_double,
8267 output_fp_move_quad, output_move_double, output_move_quad,
8268 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
8269 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
8270 (sparc_emit_set_const32, sparc_emit_set_const64,
8271 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
8272 mem_min_alignment, small_int_or_double): Add externs.
8273 * config/sparc/sparc.md: Document the many uses of UNSPEC and
8274 UNSPEC_VOLATILE in this backend.
8275 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
8276 unary to types which execute in it.
8277 (define_function_unit ieu_shift): Rename to ieu0.
8278 (define_function_unit ieu1): New, executes compare, call, and
8279 uncond_branch type insns.
8280 (define_function_units for type fdivs, fdivd, fsqrt): These
8281 execute in the fpu multiply unit not the adder on UltraSparc.
8282 (define_expand cmpdi): Disallow TARGET_V8PLUS.
8283 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
8284 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
8285 allows the arith_double_operand predicate and rHI constraint when
8287 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
8288 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
8289 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
8290 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
8291 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
8292 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
8293 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
8294 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
8295 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
8296 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
8297 sign_extendqihi2_insn, sign_extendqisi2_insn,
8298 sign_extendqidi2_insn, sign_extendhidi2_insn,
8299 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
8300 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
8301 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
8302 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
8303 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
8304 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
8305 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
8306 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
8307 smulsi3_highpart_v8plus, unnamed subreg mult,
8308 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
8309 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
8310 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
8311 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
8312 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
8313 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
8314 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
8315 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
8316 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
8317 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
8318 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
8319 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
8320 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
8321 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
8322 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
8323 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
8324 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
8325 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
8326 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
8327 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
8328 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
8329 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
8330 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
8331 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
8332 call_address_untyped_struct_value_sp32,
8333 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
8334 call_value_symbolic_sp32, call_value_address_sp64,
8335 call_value_symbolic_sp64, branch_sp32, branch_sp64,
8336 flush_register_windows, goto_handler_and_restore,
8337 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
8338 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
8339 return_addsi, return_di, return_adddi, return_sf, all call+jump
8340 peepholes, trap, unnamed trap insns): Prettify output strings.
8341 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
8342 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
8343 Likewise and force + implement splits for integer cases.
8344 (define_insn return_sf_no_fpu): Likewise and allow to match when
8345 no-fpu because of our subreg SFmode splits.
8346 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
8347 zero_extendqidi2_insn, zero_extendhidi2_insn,
8348 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
8349 input_operand for second operand.
8350 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
8351 reg_or_0_operand for operand 2 so new splits can use it.
8352 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
8353 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
8355 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
8356 CONST_DOUBLEs for operand 2.
8357 (define_insn move_label_di): Likewise and label distance
8358 optimization because it no longer works with new deferred case
8359 vector scheme. To be revisited.
8360 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
8361 and allow reg_or_0_operand and J constraint for second operand.
8362 (define_insn jump): Set branch predict taken on V9.
8363 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
8364 new deferred case vector scheme.
8365 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
8366 (define_insn negdi2_sp32): Force + implement splits.
8367 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
8368 one_cmplsi2_not_liveg0 respectively, and create expander of original
8369 names which emit special rtl for TARGET_LIVE_G0.
8370 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
8371 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
8372 gen_compare_reg, FAIL instead.
8373 (define_insn sgtu, sleu): Likewise and check gen_s*() return
8374 values when trying to reverse condition codes, if they FAIL then
8376 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
8377 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
8378 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
8379 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
8380 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
8381 set output string to # to indicate they are mandatory splits.
8382 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
8383 pic_sethi_di, move_pic_label_si): Remove.
8384 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
8385 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
8387 (define_expand movsi_pic_label_ref, define_insn
8388 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
8389 expander and insns to handle PIC label references and deferred
8391 (define_insn get_pc_via_rdpc): Comment out as it is no longer
8393 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
8394 Rewrite to not use emit_move_sequence, make use of new constant
8395 formation code, and new splits for all multi-insn cases.
8396 (define_insn movqi_insn): Remove sethi case, it can never happen.
8397 Use reg_or_zero_operand instead of const0_rtx explicit test,
8398 use input_operand instead of move_operand for source, and use
8399 general_operand now for dest.
8400 (define_insn movhi_insn): Similar but leave sethi case.
8401 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
8402 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
8403 movhi_lo_sum respectively, prettify output string.
8404 (define_insn movsi_zero_liveg0): New pattern to put zero into a
8405 register when needed on TARGET_LIVE_G0.
8406 (define_insn movsi_insn): Use general_operand and input_operand
8407 for dest and src respectively. Simplify applicability test.
8408 Prettify output strings, and add clr alternative for J
8410 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
8411 deprecated std and reg-reg DI moves): Remove and...
8412 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
8413 implementation which uses forced splits for all non-single insn
8415 (define_split DI move cases on !arch64): New splits to handle all
8416 situations of 64-bit double register DImode on 32bit, and
8417 unaligned registers and memory addresses for all subtargets.
8418 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
8420 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
8421 input_operand for dest and src respectively, prettify output
8423 (define_insn movdf_insn, movdf_no_e_insn, store_df,
8424 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
8426 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
8427 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
8428 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
8429 movtf_no_e_insn_sp64) Replace with new
8430 implementation which uses forced splits for all non-single insn
8432 (define_split DF move cases): New splits in similar vein to DI
8434 (define_insn sethi_di_medlow, sethi_di_medium_pic,
8435 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
8436 movdi_sp64_insn): Remove old v9 code model and constant loading
8438 (define_insn pic_lo_sum_di, pic_sethi_di,
8439 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
8440 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
8441 embmedany_sethi, embmedany_losum, embmedany_brsum,
8442 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
8443 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
8444 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
8445 scheme, using unspecs, secondary reloads, and one to one sparc
8446 insn to rtl insn mapping for better scheduling and code gen.
8447 (define_expand reload_indi, reload_outdi): Reload helpers for
8448 MEDANY and EMBMEDANY symbol address loading cases which require a
8450 (define_expand movsicc): Remove v8plus_regcmp cases.
8451 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
8452 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
8453 cmp_diqi_trunc_set): New patterns used by some of the new scc
8455 (define_insn xordi3_sp64_dbl): New pattern used for constant
8456 formation when crossing from 32-bit targets.
8457 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
8459 (define_insn addx, subx): Make visible and prettify.
8460 (define_insn adddi3_insn_sp32): Likewise and force split.
8461 (define_insn addx_extend, subx_extend, unnamed): New patterns for
8462 64bit scc split usage.
8463 (define_insn unnamed plusDI zero_extend, unnamed minusDI
8464 zero_extend, subdi3): Force and implement splits.
8466 * final.c (final_scan_insn): Don't output labels if target
8467 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
8470 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
8471 don't forget to walk inside SEQUENCESs too as these are what the
8472 delay slot scheduler will create.
8474 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
8476 * alpha.md (extxl+1,+2): New patterns to work around
8479 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
8481 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
8482 caused bad assembly code to be generated.
8484 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
8486 * netbsd.h: Fix typo.
8488 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
8490 * config.sub: Fix typo.
8492 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
8494 * invoke.texi (Environment Variables): Typo: Change "ascpects"
8496 (Running Protoize): Typo: Change "ther" into "other".
8498 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
8500 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
8501 * m68k/netbsd.h: Likewise.
8502 * ns32k/netbsd.h: Likewise.
8503 * sparc/netbsd.h: Likewise.
8505 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
8507 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
8508 * ginclude/va-clipper.h (va_list): Likewise.
8510 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
8512 * rs6000.c (rs6000_override_options): If big endian and -Os, use
8513 load/store multiple instructions unless user overrides.
8515 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
8517 * ns32k/netbsd.h: Fix typo.
8519 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
8521 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
8522 labels with .debugsym if no parallel insns.
8524 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
8526 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
8527 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
8529 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
8531 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
8532 (AR_FOR_TARGET): Define.
8534 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
8536 * dyn-string.h: New file.
8537 * dyn-string.c: Likewise.
8538 * Makefile.in (OBJS): Add dyn-string.o.
8539 (dwarf2out.o): Add dyn-string.h dependency.
8540 (dyn-string.o): List dependencies.
8541 * dwarf2out.c: Include dyn-string.h.
8542 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
8543 (addr_const_to_string): Take a dyn_string_t, not a char* as a
8544 prototype. Use dyn_string_append rather than strcat, throughout.
8545 (addr_to_string): Use dyn_string_t.
8547 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
8549 Function entry/exit profiling instrumentation:
8550 * expr.h (profile_function_entry_libfunc,
8551 profile_function_exit_libfunc): Declare new variables.
8552 * optabs.c: Define them here.
8553 (init_optabs): Initialize them.
8554 * tree.h (struct tree_decl): New flag
8555 no_instrument_function_entry_exit.
8556 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
8557 * c-decl.c (duplicate_decls): Merge it.
8558 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
8559 (init_attributes): Use it for "no_instrument_function".
8560 (decl_attributes): Handle it, for functions that have not yet been
8561 compiled. Set decl flag.
8562 * flags.h (flag_instrument_function_entry_exit): Declare new
8564 * toplev.c (flag_instrument_function_entry_exit): Define it here.
8565 (f_options): New option "instrument-functions".
8566 * function.h (struct function): New field instrument_entry_exit.
8567 * function.c (current_function_instrument_entry_exit): New
8569 (push_function_context_to, pop_function_context_from): Save and
8571 (expand_function_start): Set current_ variable, maybe emit return
8572 label and entry profile call.
8573 (expand_function_end): Maybe emit exit profile call.
8575 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
8577 * i386.md (movqi): When optimizing a load of (const_int 1) into a
8578 NON_QI_REG_P, pretend the register is SImode.
8580 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
8582 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
8583 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
8584 manufacturer id for ns32k.
8585 * configure: Regenerated.
8586 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
8587 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
8588 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
8589 * config/m68k/netbsd.h: Same.
8590 * config/ns32k/netbsd.h: Same.
8591 * config/sparc/netbsd.h: Same.
8593 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
8595 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
8596 or UNROLL_COMPLETELY loop that starts with a jump to its
8599 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
8601 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
8602 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
8603 (print_operand, case 'B'): Don't fall through.
8604 (print_operand, case 'S'): Correct mask begin/end computation.
8605 Use HOST_BITS_PER_WIDE_INT.
8606 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
8607 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
8608 * rs6000/aix41.h (CPP_PREDEFINES): Same.
8609 * rs6000/aix43.h (CPP_PREDEFINES): Same.
8611 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
8613 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
8614 constraint from second alternative.
8616 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8618 * configure.in: Fix --without/--disable cases for local-prefix,
8619 gxx-include-dir and checking.
8621 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8623 * configure.in (enable_haifa): Set by default for sparc64 too.
8626 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8628 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
8629 * i386/winnt.c (associated_type): New fn.
8630 (i386_pe_valid_type_attribute_p): New fn.
8631 (i386_pe_check_vtable_importexport): Remove.
8632 (i386_pe_dllexport_p): Use associated_type.
8633 (i386_pe_dllimport_p): Likewise.
8635 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
8636 * i386.c (i386_valid_type_attribute_p): Also accept
8637 attributes for METHOD_TYPEs.
8639 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
8641 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
8643 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
8645 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
8647 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
8648 them from generating a new base name for each occurence of
8651 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
8653 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
8655 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
8659 * cplus-dem.c (type_kind_t): New type.
8660 (demangle_template_value_parm): Add type_kind_t parameter. Rely
8661 on this paramter, rather than demangling the type again.
8662 (demangle_integral_value): Pass tk_integral.
8663 (demangle_template_: Pass the value returned from do_type.
8664 (do_type): Return a type_kind_t. Pass tk_integral to
8665 demangle_template_value_parm for array bounds.
8666 (demangle_fund_type): Likewise.
8668 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
8670 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
8673 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
8675 * pa.c (move_operand): Accept CONSTANT_P_RTX.
8677 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
8679 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
8681 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
8684 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
8686 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
8687 (DEBUGGER_ARG_OFFSET): Likewise.
8689 * mn10300.md (movsf): Remove last change. Not needed.
8691 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
8693 * c-lex.c (yylex): Fix boundary conditions in character literal and
8694 string literal loops.
8696 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
8698 * longlong.h (count_leading_zeros): Sparclite scan instruction was
8699 being invoked incorrectly.
8701 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
8702 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
8704 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
8705 * configure.in: Added i[34567]86-*-win32
8706 * config.sub: Ditto.
8707 * configure: Rebuilt.
8709 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
8711 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
8712 the frame pointer and compiling PIC code and reload has not completed.
8714 * i386.c (output_to_reg): Add code to emulate non-popping DImode
8717 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
8719 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
8721 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8723 * Makefile.in (install-info): Only try to update the info
8724 directory file if it exists in the first place.
8726 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
8728 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
8730 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
8732 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
8733 CONST_DOUBLE source.
8735 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
8737 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
8738 strings as the insertion of USER_LABEL_PREFIX.
8739 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
8741 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
8744 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
8746 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
8747 already defined type.
8749 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
8751 * expr.c (check_max_integer_computation_mode): Allow conversions
8752 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
8753 (expand_expr): Likewise.
8755 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8757 * expr.c (expand_expr): Expand RETURN_EXPR.
8759 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
8761 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
8763 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
8765 * dwarf2out.c (output_aranges): Call stripattributes
8766 for TEXT_SECTION references.
8767 (output_line_info): Likewise.
8769 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8771 * profile.c (branch_prob): Call allocate_reg_info after outputting
8772 profile rtl in instrument_arcs.
8774 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
8776 * fixinc.irix (math.h): Install wrapper instead of copying.
8778 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8780 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
8781 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
8782 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
8783 lang_flag_0. Added documentation in the flag table.
8785 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
8787 * cccp.c (do_include): Fix vax c style include handling.
8789 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
8791 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
8793 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
8795 * fold-const.c (non_lvalue): Don't deal with null pointer
8797 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8799 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
8801 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
8802 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
8803 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
8804 (u_short_cint_operand): Same.
8805 (reg_or_cint_operand): Same.
8806 (logical_operand): Same.
8807 (input_operand): Same.
8808 (reg_or_short_operand): Use u_short_cint_operand.
8810 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
8812 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
8813 but keep the insns and splits. Adjust so when the ultimate destination
8814 is memory, use cvtql.
8816 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
8818 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
8820 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
8822 * gcc.c (do_spec): Call "error" not "warning".
8824 * configure.in: Fix minor problems with gas feature detection code.
8825 * configure: Rebuilt.
8827 * gcc.c (do_spec): Issue a warning for '%[]' usage.
8830 * gcc.c: Delete %[spec] support.
8831 (do_spec_1, case '('): Likewise.
8832 (do_spec_1, case '['): Call error.
8834 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
8836 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
8837 (CPP_SUBTARGET_SPEC): Default to empty string.
8838 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
8839 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
8840 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
8841 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
8843 * alpha/linux.h (CPP_PREDEFINES): Tidy.
8844 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
8845 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
8846 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
8847 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
8848 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
8849 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
8850 * alpha/vxworks.h: Likewise.
8852 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
8854 * mips.md (reload_outsi): Added missing REGNO call.
8855 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
8857 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
8858 another match_operator and compare the codes.
8860 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
8862 * MIPS multiply pattern fixes:
8863 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8864 Add union classes for HI, LO, or HILO plus general registers.
8865 (GENERATE_MADD): Deleted.
8866 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
8867 Add TARGET_MAD to condition.
8868 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
8869 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
8870 "*d" for accumulator, to give preference to LO initially but not
8873 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
8875 * configure.in (enable_c_mbchar): New configure option.
8876 (extra_cpp_objs): Always available now.
8878 * cexp.y (mbchar.h): #include it.
8879 (yylex): Handle Multibyte characters in character literals.
8881 * cccp.c (mbchar.h): #include it.
8882 (main): Set character set based on LANG environment variable.
8883 (rescan): Handle multibyte characters in comments.
8884 (skip_if_group): See above.
8885 (validate_else): See above.
8886 (skip_to_end_of_comment): See above.
8887 (macarg1): See above.
8888 (discard_comments): See above.
8889 (rescan): Handle multibyte characters in string and character literals.
8890 (collect_expansion): See above.
8891 (skip_quoted_string): See above.
8892 (macroexpand): See above.
8893 (macarg1): See above.
8894 (discard_comments): See above.
8895 (change_newlines): See above.
8897 * c-lex.c (mbchar.h): #include it.
8898 (GET_ENVIRONMENT): New macro.
8899 (init_lex): Set character set based on LANG environment variable.
8900 (yylex): Handle multibyte characters in character literals.
8901 (yylex): Handle multibyte characters in string literals.
8903 * Makefile.in (mbchar.o): New target.
8904 (cccp$(exeext)): @extra_cpp_objs@ is always available.
8905 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
8907 * mbchar.[ch]: New files for multibyte character handling.
8909 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8911 * jump.c (jump_optimize): When simplifying noop moves and
8912 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
8913 the PUSHes to rewrite in second loop as we did in the first.
8915 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8917 * cplus-dem.c (demangle_nested_args): Make function definition
8918 static to match the prototype.
8920 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
8922 * alloca.c: Respect USE_C_ALLOCA.
8923 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
8924 * gengenrtl.c (xmalloc): Likewise.
8926 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
8928 * loop.h (struct induction): Add no_const_addval.
8929 * loop.c (the_movables, reg_address_cost): New variables.
8930 (init_loop): Init reg_address_cost.
8931 (loop_optimize): Call end_alias_analysis.
8932 (scan_loop): Init the_movables.
8933 (record_giv): Init induction->no_const_addval.
8934 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
8935 [REG]: Rearrange loop search test to catch more cases.
8936 (general_induction_var): Return success not benefit; take an extra
8937 argument for that. Change all callers.
8938 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
8939 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
8940 [default]: Search the_movables for additional combinations.
8941 (sge_plus_constant, sge_plus): New functions.
8942 (express_from_1): New function.
8943 (express_from): Always define. Rewrite using express_from_1.
8944 (combine_givs_p): Handle more cases. Ignore address cost.
8945 (cmp_combine_givs_stats): New function.
8946 (combine_givs_used_once, combine_givs_benefit_from): New functions.
8947 (combine_givs): Rewrite to do best-fit combination.
8949 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
8950 (fold): Do a complete (A*C)+(B*C) association check.
8952 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
8954 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
8956 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
8958 * mn10300.c (MODES_TIEABLE_P): Fix typo.
8960 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
8962 * tree.c (valid_machine_attribute): Only create a new type variant if
8963 there is a decl to use it.
8965 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
8967 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
8970 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
8972 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
8975 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
8977 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
8978 Simplify tests for clearing an address register.
8979 (expand_prologue): Corresponding changes.
8981 * mn10300.md (movXX patterns): Make sure the destination is an
8982 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
8983 (logical patterns): Split into expanders + patterns
8984 (zero and sign extension patterns): Similarly.
8985 (shift patterns): Similarly.
8987 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
8989 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
8990 for the sequence, recording base values.
8992 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
8994 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
8996 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
8998 * gcc.c: Remove ANSI-C ism from --help code.
9000 * toplev.c: Support --help with USE_CPPLIB.
9002 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
9004 * configure.in: Rework gas feature code to work with symlink based
9007 * extend.texi: Clarify some issues related to local variables
9008 assigned to explicit registers.
9010 * mn10300.md (mulsi): Turn into expander + pattern.
9012 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
9015 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
9017 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
9019 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
9021 * version.c: Bump again to distinguish mainline tree from the
9024 See ChangeLog.0 for earlier changes.
9027 add-log-time-format: current-time-string