1 Tue Jan 12 02:53:46 1999 Richard Henderson <rth@cygnus.com>
3 * cse.c (cse_insn): Never prefer (const (constant_p_rtx)).
5 Tue Jan 12 02:36:10 PST 1999 Jeff Law (law@cygnus.com)
7 * version.c: Bump for snapshot.
9 Tue Jan 12 01:30:19 1999 Richard Henderson <rth@cygnus.com>
11 * rtl.c (rtx_alloc): Use memset instead of inline loop.
13 * recog.h (recog_op_alt): Declare extern.
15 Tue Jan 12 00:23:31 1999 Richard Henderson <rth@cygnus.com>
17 * function.c (purge_addressof_1): If the note accesses a mem+addressof
18 in a wider mode than any replacement, adjust the cached replacement.
19 Cache trivial substitutions as well.
21 Tue Jan 12 00:06:00 1999 Richard Henderson <rth@cygnus.com>
23 * Makefile.in (OBJECTS): Add sbitmap.o.
24 (BASIC_BLOCK_H): Add sbitmap.h.
25 * basic-block.h: Move simple bitmap code to sbitmap.h.
26 * flow.c: Move simple bitmap code to sbitmap.c
27 * sbitmap.h, sbitmap.c: New files.
29 Mon Jan 11 23:51:50 1999 Richard Henderson <rth@cygnus.com>
31 * alpha.h (TARGET_SWITCHES): Document switches.
32 (TARGET_OPTIONS): Likewise.
34 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Use HOST_WIDE_INT_PRINT_DEC.
36 Mon Jan 11 22:54:14 1999 Richard Henderson <rth@cygnus.com>
38 * tree.c (new_alias_set): Return zero if !flag_strict_aliasing.
40 Mon Jan 11 22:36:01 1999 Richard Henderson <rth@cygnus.com>
42 * basic-block.h (basic_block_head): Rename to x_basic_block_head.
43 (basic_block_end): Rename to x_basic_block_end.
44 (BLOCK_HEAD, BLOCK_END): Update.
46 * caller-save.c: Change basic_block_head/end references to
48 * combine.c, flow.c, function.c, gcse.c, global.c: Likewise.
49 * graph.c, haifa-sched.c, local-alloc.c, regclass.c: Likewise.
50 * regmove.c, reload1.c, reorg.c, sched.c: Likewise.
52 Sat Jan 9 23:54:09 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
54 * gcc.c (xstrerror): Renamed from my_strerror. All callers
55 changed. Remove prototype since we get that from libiberty.h.
57 * protoize.c (xstrerror): Likewise.
59 Sat Jan 9 23:22:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
61 * gcc.c (read_specs): Ensure format specifiers match their arguments.
63 Sat Jan 9 20:04:24 1999 Richard Henderson <rth@cygnus.com>
65 * tree.c (copy_node): Oops. That would be copy not zero
68 Sun Jan 10 15:35:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
70 * config/c4x/c4x.c: Include system.h.
71 (c4x_caller_save_map): Disable caller save for RC.
72 (c4x_optimization_options): Disable scheduling before reload.
73 (valid_parallel_load_store) : Define return type as int.
74 Remove unused variable regs.
75 * config/c4x/c4x.h (REGISTER_MOVE_COST): Make independent of register
77 * config/c4x/c4x.md (rotlqi3, rotrqi3): Fix up emitted RTL to
79 (*db, decrement_and_branch_until_zero): Fix up constraints
82 Sat Jan 9 18:35:29 1999 Richard Henderson <rth@cygnus.com>
84 * tree.c (make_node): Call bzero instead of inline clear.
85 (copy_node, make_tree_vec, build1): Likewise.
86 (get_identifier): Call strlen instead of inline count.
87 (maybe_get_identifier): Likewise.
89 Sun Jan 10 14:04:51 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
91 * config/c4x/c4x.md: (in_annul_slot_3): Allow unarycc and binarycc
92 operations in 3rd annulled delay slot.
93 (*lshrqi3_const_set): Disallow c constraint for operand0.
94 (modhi3+1, modhi3+2): Set attribute type to multi.
95 * config/c4x/c4x.c (c4x_S_constraint): Removed space in middle of
98 Sat Jan 9 11:44:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
100 * gansidecl.h: Allow attribute unused on labels only when we are
101 version 2.93 or higher. Not all versions of 2.92 have this feature.
103 * version.c: Bump minor number to 93.
105 Fri Jan 8 10:51:13 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
107 * config/m68k/m68k.h: Declare output_function_epilogue.
108 * recog.h: Declare next_insn_tests_no_inequality.
110 Fri Jan 8 01:43:53 1999 Jeffrey A Law (law@cygnus.com)
112 * stmt.c (optimize_tail_recursion): New function, extracted from ...
113 (expand_return): Use optimize_tail_recursion.
114 * tree.h (optimize_tail_recursion): Declare.
116 * toplev.c (compile_file): Move call to output_func_start_profiler
117 to after the loop to emit deferred functions.
119 Thu Jan 7 19:52:53 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
121 * system.h (abort): Supply more detailed information on how to
122 report an Internal Compiler Error.
124 Thu Jan 7 11:26:17 1999 Mark Mitchell <mark@markmitchell.com>
126 * calls.c (store_unaligned_arguments_into_pseudos): Use xmalloc to
127 allocate memory that will live beyond this function.
128 (expand_call): Free it here.
130 Thu Jan 7 03:08:17 1999 Richard Henderson <rth@cygnus.com>
132 * sparc.h (PREFERRED_RELOAD_CLASS): Select GENERAL_REGS for
133 integer data not destined for fp regs.
134 (LEGITIMIZE_RELOAD_ADDRESS): New.
136 Thu Jan 7 03:03:42 1999 Stan Cox <scox@cygnus.com>
137 Richard Henderson <rth@cygnus.com>
139 Support for Hypersparc and Sparclite86x:
140 * sparc.h (TARGET_CPU_hypersparc, TARGET_CPU_sparclite86x): New.
141 (CPP_CPU32_DEFAULT_SPEC): Fix up for the new targets.
142 (ASM_CPU32_DEFAULT_SPEC): Likewise.
143 (TARGET_CPU_DEFAULT): Likewise.
144 (enum processor_type): Likewise.
145 (CPP_ENDIAN_SPEC): Handle little endian data.
146 (LIBGCC2_WORDS_BIG_ENDIAN): Likewise.
147 (ADJUST_COST): Call sparc_adjust_cost.
148 * sparc.c (sparc_override_options): Fix up for the new targets.
149 (supersparc_adjust_cost): Make static.
150 (hypersparc_adjust_cost): New.
151 (ultrasparc_adjust_cost): Make static.
152 (sparc_adjust_cost): New.
153 * sparc.md (attr cpu): Add hypersparc and sparclite86x.
154 (function_unit): Add hypersparc scheduling rules.
156 * configure.in (with_cpu handler): Recognize hypersparc.
158 Thu Jan 7 23:54:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
160 * config/c4x/c4x.c: Added space after negation operator.
161 * config/c4x/c4x.h: Likewise.
162 * config/c4x/c4x.md: Likewise.
164 Thu Jan 7 23:39:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
166 * config/c4x/c4x.c (c4x_preferred_reload_class): Always return class.
168 Thu Jan 7 00:29:25 199 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
170 * combine.c (num_sign_bit_copies): In NEG, MULT, DIV and MOD cases,
171 when a test can't be performed due to limited width of
172 HOST_BITS_PER_WIDE_INT, use the more conservative approximation.
173 Fix UDIV case for cases where the first operand has the highest bit
176 Thu Jan 7 00:01:38 1999 Lutz Vieweg <lkv@mania.robin.de>
178 * pa.h (reg_class): Add FPUPPER_REGS.
179 (REG_CLASS_NAMES): Similarly.
180 (REG_CLASS_CONTENTS): Similarly
181 (REGNO_REG_CLASS): Handle FPUPPER_REGS.
182 (FP_REG_CLASS_P): Likewise.
183 (REG_CLASS_FROM_LETTER): Similarly.
184 (CLASS_MAX_NREGS): Similarly.
186 1999-01-06 Brendan Kehoe <brendan@cygnus.com>
188 * fixincludes: For HP/UX 10.20, also look in curses_colr/curses.h
189 for a typedef of bool. Make sure to have a copy of the file is
190 in place before we look to fix it. Fix typo in variable name to
193 Wed Jan 6 07:51:05 1999 Richard Henderson <rth@cygnus.com>
195 * expr.c (expand_builtin) [case BUILT_IN_CONSTANT_P]: Use
196 value_mode for the return mode.
198 Wed Jan 6 17:55:19 1999 Robert Lipe <robertlipe@usa.net>
200 * configure.in: New flag --with-dwarf2. If set, enables DWARF-2
201 debugging as default.
203 * config/tm-dwarf2.h: New file.
205 Wed Jan 6 16:08:54 1999 Jeffrey A Law (law@cygnus.com)
207 * h8300.h (ASM_OUTPUT_LABELREF): Define.
209 * pa.h (DONT_RECORD_EQUIVALENCE): Kill.
210 * local-alloc.c (update_equiv_regs): Corresponding changes.
211 * tm.texi (DONT_RECORD_EQUIVALENCE): Kill.
213 * calls.c (special_function_p): Push alloca test inside the large
214 conditional which excludes functions not at file scope or not
217 * calls.c (special_function_p): New function broken out of
219 (precompute_register_parameters): Likewise.
220 (store_one_arg): Likewise.
221 (store_unaligned_argumetns_into_pseudos): Likewise.
222 (save_fixed_argument_area): Likewise.
223 (restore_fixed_argument_area): Likewise.
224 (expand_call): Corresponding changes.
226 Wed Jan 6 10:43:29 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
228 * config/m68k/m68k.c (const_uint32_operand): Remove CONSTANT_P_RTX
230 (const_sint32_operand): Likewise.
232 Wed Jan 6 09:44:51 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
234 * toplev.h: In addition to checking _JBLEN, also check if `setjmp'
235 is a macro when deciding if we can use `jmp_buf' in prototypes.
237 Thu Jan 7 00:12:24 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
239 * config/c4x/c4x.md (addqi3): If the destination operand is
240 a hard register other than an extended precision register,
241 emit addqi3_noclobber.
242 (*addqi3_noclobber_reload): New pattern added so that reload
243 will recognise a store of a pseudo, equivalent to the sum
244 of the frame pointer and a constant, as an add insn.
246 Wed Jan 6 03:18:53 1999 Mark Elbrecht <snowball3@usa.net.
248 * configure.in (pc-msdosdjgpp): Set x_make to x-go32.
249 * configure: Rebuilt.
250 * i386/xm-go32.h: Define LIBSTDCXX.
252 * i386/go32.h (MD_EXEC_PREFIX): Define.
253 (FILE_NAME_ABSOLUTE_P): Define.
254 (LINK_COMMAND_SPEC): Define.
256 Wed Jan 6 02:23:36 1999 "Charles M. Hannum" <root@ihack.net>
258 * expr.c (store_expr): If the lhs is a memory location pointed
259 to be a postincremented (or postdecremented) pointer, always
260 force the rhs to be evaluated into a pseudo.
262 Wed Jan 6 00:54:21 1999 Geoff Keating <geoffk@ozemail.com.au>
264 * real.c (mtherr): Print more reasonable warning messages.
266 Tue Jan 5 21:57:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
268 * Makefile.in (gcc.o, prefix.o, cccp.o, cpplib.o): Depend on prefix.h.
270 * cccp.c: Include prefix.h, don't prototype prefix.c functions.
271 (new_include_prefix): Constify char* parameters.
273 * cppfiles.c (read_name_map): Likewise.
274 (append_include_chain): Likewise. Also, use a writable char* copy
275 of parameter `dir' which we then modify, rather than using the
276 parameter itself to store the new writable string.
277 (remap_filename): Constify some variables. Also, use a writable
278 char* to store an allocated string which we will be modifying.
280 * cpplib.c: Include prefix.h, don't prototype prefix.c functions.
281 (cpp_start_read): Constify variable `str'.
283 * cpplib.h (append_include_chain): Constify a char* parameter.
285 * gcc.c Include prefix.h, don't prototype prefix.c functions.
286 (add_prefix, save_string): Constify char* parameters.
287 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
289 * prefix.c: Include prefix.h.
290 (get_key_value, translate_name, save_string, update_path,
291 set_std_prefix): Constify various char* parameters and variables.
292 (save_string): Use xmalloc, not malloc.
293 (translate_name): Use a writable temporary variable to create and
294 modify a string before setting it to a const char*.
296 * prefix.h: New file to prototype functions exported from prefix.c.
298 Mon Jan 4 15:37:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
300 * cpplib.c (skip_if_group): Split out the logic that handles
301 directive recognition to its own function. Don't use
302 parse markers; use a bare pointer into the buffer. Use
303 copy/skip_rest_of_line instead of doing it by hand. Remove
304 `return on any directive' mode which was never used, and take
306 (consider_directive_while_skipping): New function, subroutine
307 of skip_if_group. Logic streamlined a bit.
308 (conditional_skip, do_elif, do_else): Call skip_if_group with
311 Mon Jan 4 15:27:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
313 * cpplib.c (do_undef): EOF immediately after '#undef FOO' is not an
316 Mon Jan 4 11:55:51 1999 Jason Merrill <jason@yorick.cygnus.com>
318 * extend.texi (Bound member functions): Document.
320 Mon Jan 4 11:01:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
322 * mips-tdump.c (st_to_string, sc_to_string, glevel_to_string,
323 lang_to_string, type_to_string): Make return type const char*.
324 (print_symbol): Apply `const' keyword to a char*.
325 (print_file_desc): Cast structure member `crfd' to ulong when
326 comparing against one.
328 * mips-tfile.c (pfatal_with_name): Apply `const' keyword to char*.
329 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
330 (progname, input_name): Apply `const' keyword to a char*.
331 Don't redundantly include sys/stat.h.
332 (alloc_info): Apply `const' keyword to a char*.
333 (st_to_string, sc_to_string): Likewise.
334 (hash_string): Cast variable `hash_string' to a symint_t when
335 comparing against one.
336 (add_string): Cast PAGE_USIZE to Ptrdiff_t when comparing against one.
337 Likewise cast it to long when comparing against one.
338 (add_local_symbol): Apply `const' keyword to a char*.
339 (add_ext_symbol): Likewise.
340 (add_unknown_tag): Likewise.
341 (add_procedure): Cast a printf-style field width to an int.
342 (add_file): Cast PAGE_USIZE to long when comparing against one
343 (parse_begin): Cast a printf-style field width to an int.
344 (parse_bend): Likewise.
345 (parse_def): Likewise.
346 (parse_end): Likewise.
347 (mark_stabs): Mark parameter `start' with ATTRIBUTE_UNUSED.
348 (parse_stabs_common): Fix format specifier.
349 (parse_input): Change type of variable `i' to Size_t.
350 (write_object): Fix arguments to match format specifiers.
351 Cast variable `num_write' to long when comparing against one.
352 (read_seek): Cast variable `sys_read' to symint_t when comparing
353 against one. Fix arguments to match format specifiers. Cast
354 variable `size' to long when comparing against one.
355 (copy_object): Cast result of `sizeof' to int when comparing
356 against one. Fix arguments to match format specifiers. Cast
357 variable `ifd' to long when comparing against a signed value.
360 Mon Jan 4 10:30:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
362 * c-common.c (decl_attributes): Allow applying attribute `unused'
365 * c-parse.in (label): Parse attributes after a label, and call
366 `decl_attributes' to handle them.
368 * gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
370 * genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
371 generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
373 * invoke.texi: Note that labels can be marked `unused'.
375 Sun Jan 3 23:32:18 PST 1999 Jeff Law (law@cygnus.com)
377 * version.c: Bump for snapshot.
379 Sun Jan 3 23:00:42 1999 Jeffrey A Law (law@cygnus.com)
381 * optabs.c (emit_cmp_and_jump_insns): Use CONSTANT_P canonicalizing
382 RTL for a compare/jump sequence.
384 Sun Jan 3 22:58:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
386 * optabs.c (emit_cmp_insn): Abort if asked to emit non-canonical RTL
387 for a target with HAVE_cc0 defined.
388 (emit_cmp_and_jump_insns): New function.
389 * expr.h (emit_cmp_and_jump_insns): Prototype it.
390 * loop.c (check_dbra_loop): Use it to replace calls
391 to emit_cmp_insn and emit_jump_insn and to canonicalise
392 the comparison if necessary.
393 * unroll.c (unroll_loop): Likewise.
395 Sun Jan 3 21:01:04 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
397 * fixincludes (sys/utsname.h): Provide forward declaration of
398 struct utsname on Ultrix V4.[35].
400 * mips.md (div_trap): Use local labels instead of dot-relative
403 Sun Jan 3 20:40:34 1999 Jeffrey A Law (law@cygnus.com)
405 * pa.md (branch, negated branch): Handle (const_int 0) as first
407 * pa.c (output_cbranch): Likewise.
409 Sun Jan 3 03:20:38 1999 David Edelsohn <edelsohn@mhpcc.edu>
411 * rs6000.c (rs6000_stack_info): Undo spurious part of last
414 1999-01-01 Manfred Hollstein <manfred@s-direktnet.de>
416 * extend.texi (__builtin_constant_p): Add missing @smallexample.
418 Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com)
420 * i386.md (doubleword shifts): Fix dumb mistakes in previous change.
422 Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com)
424 * m68k.md (adddi_dilshr32): Allow all operands to be registers too.
425 (adddi_dishl32): Similarly.
427 * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers
428 for each insn in the skipped block.
430 * reload1.c (reload_as_needed): Verify that the insn satisfies its
431 constraints after replacing a register address with an autoincrement
432 address for reload inheritance purposes.
434 * i386.md (doubleword shifts): Avoid namespace pollution.
436 Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com>
438 * configure.in (FreeBSD ELF): Needs special crt files.
440 Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com>
442 * i386/xm-cygwin.h: change DIR_SEPARATOR to forward slash.
444 1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
446 * loop.c (check_dbra_loop): While reversing the loop, if the
447 comparison value has a VOID mode use the mode of the other operand
450 Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com>
452 * rs6000.md ({save,restore}_stack_function): Take 2 operands to
453 avoid warnings in compiling explow.c.
455 (patch from Ken Raeburn, raeburn@cygnus.com)
456 * rs6000.c (rs6000_stack_info): Force 8-byte alignment of
457 fpmem_offset. Compute total size after that, and then
458 rs6000_fpmem_offset using both values.
460 Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
462 * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
463 the future; indeed that already happens in some cases.
465 Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com>
467 * sparc.c (input_operand): Recognize (const (constant_p_rtx)).
468 (arith_operand): Remove constant_p_rtx handling.
469 (const64_operand, const64_high_operand): Likewise.
470 (arith11_operand, arith10_operand, arith_double_operand): Likewise.
471 (arith11_double_operand, arith10_double_operand, small_int): Likewise.
472 (small_int_or_double, uns_small_int, zero_operand): Likewise.
473 * sparc.h (PREDICATE_CODES): Likewise.
475 * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX.
477 Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>:
479 * rtl.def (CONSTANT_P_RTX): Clarify commentary.
480 * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
481 consider constant CONSTRUCTOR constant and to defer some cases
483 * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
484 * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
486 Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com>
488 * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
489 * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
491 * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling.
492 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
493 (sext_add_operand, and_operand, or_operand): Likewise.
494 (reg_or_cint_operand, some_operand, input_operand): Likewise.
495 * alpha.h (PREDICATE_CODES): Likewise.
497 Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com)
499 * version.c: Bump for snapshot.
501 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
503 * gengenrtl.c (gencode): Always use bzero to clear memory instead
504 of dangerous casts and stores.
506 * Makefile.in (compare, gnucompare): Add missing else true clauses.
508 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
510 * alpha.md (builtin_longjmp): Add missing "DONE".
512 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
514 * gcc.c (execute): Enable -pipe with win32.
516 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
518 * config/arm/t-arm-elf: Add multiplib option for leading
521 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
522 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
524 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
525 than variable 'reload_address_base_reg_class'. [Note this
526 change is unrelated to the others in this patch].
528 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
531 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
533 * alias.c (record_alias_subset): Remove ignored `&'.
534 (init_alias_once): Likewise.
536 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
538 * config/mips/mips.c (mips_asm_file_end): Cast the result of
539 fwrite to `int' when comparing against one.
541 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
542 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
544 * cse.c (rehash_using_reg): Change type of variable `i' to
547 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
550 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
552 * final.c (final_scan_insn): Likewise for variable `i'.
553 (output_asm_insn): Cast a char to unsigned char when used as an
556 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
559 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
561 * recog.c (preprocess_constraints): Cast a char to unsigned char
562 when used as an array index.
564 * regmove.c (find_matches): Likewise.
566 * reload1.c (calculate_needs): Add default case in switch.
567 (eliminate_regs_in_insn): Initialize variable `offset'.
568 (set_offsets_for_label): Change type of variable `i' to unsigned.
569 (reload_as_needed): Wrap variable `i' in macro check on
570 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
572 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
573 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
574 when comparing against one.
576 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
577 unsigned when comparing against one. Likewise for
578 GET_MODE_ALIGNMENT().
579 (layout_record): Cast record_align to int when comparing against a
581 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
584 * tree.c (get_identifier): Cast variable `len' to unsigned when
585 comparing against one.
586 (maybe_get_identifier): Likewise
588 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
590 * toplev.c (rest_of_compilation): Do not set reload_completed.
591 * reload1.c (reload): Set reload_completed before calling
592 cleanup_subreg_operands.
594 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
596 * reload1.c (emit_reload_insns): Check `set' not null before use.
598 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
600 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
603 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
605 * halfpic.c (half_pic_encode): Delete redundant code.
607 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
609 * toplev.c (main): Delete handling of -dM as a preprocessor
612 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
614 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
615 -dI, which are handled by the preprocessor.
617 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
619 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
620 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
622 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
624 * version.c: Bump for snapshot.
626 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
628 * version.c: Bump for snapshot.
630 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
632 * version.c: Bump for snapshot.
634 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
636 * genattr.c (fatal): Qualify a char* with the `const' keyword.
638 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
639 write_unit_name, write_eligible_delay, expand_units,
640 make_length_attrs, write_attr_case, find_attr,
641 make_internal_attr): Likewise.
642 * gencheck.c (tree_codes): Likewise.
643 * gencodes.c (fatal): Likewise.
644 * genconfig.c (fatal): Likewise.
645 * genemit.c (fatal): Likewise.
646 * genextract.c (fatal, walk_rtx, copystr): Likewise.
647 * genflags.c (fatal): Likewise.
648 * genopinit.c (fatal, optabs, gen_insn): Likewise.
649 * genoutput.c (fatal, error, predicates): Likewise.
650 * genpeep.c (fatal): Likewise.
651 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
652 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
654 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
656 * configure.in (with-fast-fixincludes): Fix whitespace.
657 * configure: Rebuilt.
659 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
660 asm() etc. function declarations in __DECC.
662 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
664 * expr.c (emit_move_insn_1): Only emit a clobber if the target
665 is a pseudo register.
667 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
669 * gcse.c: Include expr.h in order to get the prototype for
670 get_condition() which is used in delete_null_pointer_checks().
672 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
674 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
676 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
678 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
679 (ALL_CFLAGS): Delete SCHED_CFLAGS.
681 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
683 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
686 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
688 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
689 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
690 optimizations from the combiner.
692 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
694 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
696 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
698 * toplev.c (main): Disable optimize_size if a specific
699 optimization level is requested. Always set optimization
700 level to 2 if -Os is specified.
702 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
704 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
706 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
707 initialize it using fname.
709 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
711 * cpplib.c (do_include): Treat #include_next in the
712 primary source file as #include plus warning. Treat
713 #include_next in a file included by absolute path as an
714 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
716 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
718 * cccp.c: Don't define MIN/MAX anymore.
719 * cpplib.c: Likewise.
720 * machmode.h: Likewise.
721 * system.h: Provide definitions for MIN/MAX.
723 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
725 * fix-header.c: Don't define xstrdup here.
727 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
729 * loop.c (consec_sets_giv): New argument last_consec_insn.
730 (strength_reduce): Provide / use it.
732 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
734 * loop.h (loop_info): New field 'vtop'.
735 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
736 scanning loop for vtop.
737 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
738 (loop_iterations): Use them to determine if loop has a constant
739 number of iterations. Set loop_info->vtop. Don't subtract
740 common reg term from initial_value and final_value if have a
743 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
745 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
747 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
749 * mn10200.md (abssf2, negsf2): New expanders.
751 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
753 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
755 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
756 replaced by a CONCAT whoes components do not have the same
757 mode as the original SUBREG, use a new SUBREG to restore the
760 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
761 multiword complex values.
763 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
765 * cppalloc.c: Add xstrdup here.
766 * cpplib.h: Remove savestring prototype.
767 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
769 * cppfiles.c: s/savestring/xstrdup/ throughout.
771 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
773 * cpplib.c: Make all directive handlers read their own
775 (struct directive): Remove last two arguments from FUNC
776 member prototype. Remove `command_reads_line' member
778 (directive_table): Remove initializations of
779 command_reads_line flag. Pretty-print.
780 (eval_if_expression, do_define, do_line, do_include,
781 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
782 do_else, do_elif, do_sccs, do_assert, do_unassert,
783 do_warning): Take only two args.
785 (cpp_define): Call do_define with two args and the text to
786 define stuffed into a buffer.
787 (make_assertion): Call do_assert with two args.
788 (handle_directive): Call do_line with two args. Call
789 kt->func with two args. Remove command_reads_line
791 (do_define, do_undef, do_error, do_warning, do_pragma,
792 do_sccs): Read the rest of the line here.
793 (do_ident): Gobble rest of line, as cccp does.
794 (cpp_undef): New function.
795 (cpp_start_read): Call cpp_undef instead of do_undef.
797 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
799 * cpphash.h (union hash_value): Remove `keydef' member, add a
800 `struct hashnode *aschain' member for #assert.
802 * cpplib.c (struct tokenlist_list, struct
803 assertion_hashnode): Delete structure definitions.
804 (assertion_install, assertion_lookup, delete_assertion,
805 check_assertion, compare_token_lists, reverse_token_list,
806 read_token_list, free_token_list): Delete functions.
807 (parse_assertion): New function.
808 (cpp_cleanup): Don't destroy the assertion_hashtable.
810 (do_assert): Gut and rewrite. #assert foo (bar) places
811 entries for `#foo' and `#foo(bar)' in the macro hash table,
812 type T_ASSERT. The value union's `aschain' member is used
813 to chain all answers for a given predicate together.
814 (do_unassert): Also rewritten. Take an un-asserted
815 answer off the chain from its predicate and call
816 delete_macro on the hashnode, or walk a predicate chain
817 calling delete_macro on all the entries.
818 (cpp_read_check_assertion): Simply call parse_assertion to
819 get the canonical assertion name, and look that up in the
822 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
825 * cpphash.c (install): Use bcopy instead of an explicit loop
826 to copy the macro name.
828 * cppexp.c (cpp_lex): Convert the result of
829 cpp_read_check_assertion to a `struct operation' directly;
830 don't go through parse_number.
832 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
834 * loop.h (struct induction): Delete times_used member.
835 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
836 (n_times_used): Rename to n_times_set. Changed all users.
837 (scan_loop): Free reg_single_usage before strength reduction.
838 (record_giv, combine_givs): Remove handling of times_used member.
839 (combine_givs_used_once): Rename to:
840 (combine_givs_used_by_other) . Changed all callers.
842 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
844 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
845 instead of TREE_CODE_CLASS == 't'.
846 (gen_type_die): Likewise.
847 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
849 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
851 * real.c (endian): Disable last change unless
852 HOST_BITS_PER_WIDE_INT is greater than 32.
854 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
856 * output.h (force_data_section): New prototype.
857 * varasm.c (force_data_section): New function to force the
858 data section, regardless of what in_section thinks.
859 * dwarf2out.c (output_call_frame_info): Call force_data_section
860 since varasm may not realize we've changes sections.
862 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
864 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
865 after completeing reload.
867 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
868 deleted after reload.
870 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
872 * rtl.h (multiple_sets): Fix prototype.
873 * rtlanal.c (multiple_sets): Fix return type.
875 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
877 * version.c: Bump for snapshot.
879 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
881 * version.c: Bump for snapshot.
883 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
885 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
887 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
889 * rtl.h (recompute_reg_usage): Add second argument.
890 * flow.c (recompute_reg_usage): Likewise.
891 * toplev.c (rest_of_compilation): Supply second argument to
894 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
897 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
899 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
900 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
901 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
904 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
906 * rtlanal.c (multiple_sets): New function.
907 * rtl.h (multiple_sets): Declare it.
908 * local-alloc.c (wipe_dead_reg): Use it.
909 * global.c (global_conflicts): Likewise.
911 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
913 * global.c (record_conflicts): Don't use an array of shorts to
914 store an array of ints.
915 (global_conflicts): Likewise.
917 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
919 * alpha.c (alpha_expand_block_move): mode_for_size expects
920 bits, not bytes. Infer extra alignment from addressof.
922 1998-12-11 Michael Meissner <meissner@cygnus.com>
924 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
925 .sbss section, not .sdata.
927 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
929 * cccp.c: Do not #include <sys/stat.h> here; this is already done
931 * collect2.c: Likewise.
932 * cpplib.h: Likewise.
935 * getpwd.c: Likewise.
936 * protoize.c: Likewise.
937 * toplev.c: Likewise.
939 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
940 and don't try to define it here.
941 * Makefile.in (cppmain.o): Depend on machmode.h.
942 (cpplib.o): Likewise.
943 (cpperror.o): Likewise.
944 (cppexp.o): Likewise.
945 (cppfiles.o): Likewise.
946 (cpphash.o): Likewise.
947 (cppalloc.o): Likewise.
948 (fix-header.o): Likewise.
949 (scan-decls.o): Likewise.
951 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
953 * sh.c (print_operand): lookup interrupt_handler attribute instead
954 of relying on static variable.
955 * (calc_live_regs): Likewise.
956 * (sh_pragma_insert_attributes): Create interrupt_handler
957 attribute if a pragma was specified
958 * (sh_valid_machine_decl_attribute): Don't set static flag.
959 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
961 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
963 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
964 to determine if a register is live at a jump destination.
965 Everything is dead at a BARRIER.
967 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
969 * cse.c (simplify_unary_operation): Sign-extend constants when
970 they have the most significant bit set for the target.
971 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
973 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
974 HOST_WIDE_INT temporary before negating it.
975 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
977 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
979 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
982 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
984 * collect2.h: New header file for prototypes.
986 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
988 * collect2.c: Include collect2.h.
991 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
993 * flow.c: Update some comments.
995 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
997 * objc/objc-act.c (cpp_initialized): Removed.
998 (lang_init_options): Initialize cpplib.
999 (lang_decode_option): Move initialization of cpplib to
1001 * c-lang.c: (parse_options,parse_in): Added.
1002 (lang_init_options): Initialized cpplib here.
1003 * c-decl.c (parse_options,cpp_initialized): Removed.
1004 (c_decode_option): Move initialization of cpplib to
1007 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1009 * reload1.c (reload_combine, reload_combine_note_store):
1010 Make STORE_RUID always valid.
1011 (reload_combine): Check if BASE is clobbered too early.
1013 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
1015 * reload.c (find_reloads): Display the insn that cannot be
1018 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
1020 * cccp.c (create_definition): Fix end of bufer logic.
1022 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1024 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
1025 pointer parameters changed to use the PARAMS() macro.
1027 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1029 * except.h (struct handler_info): Add handler_number field.
1030 * except.c (gen_exception_label): EH labels no longer need to be
1031 on the permanent obstack.
1032 (get_new_handler): Set the label number field.
1033 (output_exception_table_entry): Regenerate handler label reference
1034 from the label number field.
1035 (init_eh): Remove a blank line.
1036 * integrate.c (get_label_from_map): Labels no longer need to be
1037 on the permanent obstack.
1039 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
1041 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
1042 only when OUTER_CODE is SET.
1044 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1046 * loop.c (strength_reduce): If scan_start points to the loop exit
1047 test, be wary of subversive use of gotos inside expression statements.
1048 Don't set maybe_multiple for a backward jump that does not
1049 include the label under consideration into its range.
1050 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
1052 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1054 * explow.c (plus_constant_wide): Don't immediately return with
1055 result of recursive call.
1057 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1059 * eh-common.h (struct eh_context): Add table_index for rethrows.
1061 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
1062 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
1063 processed when inlined or unrolled (ie duplicated in some way).
1065 * rtl.c (reg_note_name): Add strings for new reg_note enums.
1067 * expr.h (rethrow_libfunc): New library decl.
1069 * optabs.c (rethrow_libfunc): Initialize.
1071 * except.h (struct eh_entry): Add new field 'rethrow_label'.
1072 (new_eh_region_entry): No longer exported from except.c.
1073 (duplicate_handlers): Renamed to duplicate_eh_handlers and
1074 different prototype.
1075 (rethrow_symbol_map, rethrow_used): New exported functions.
1076 (eh_region_from_symbol): New exported function.
1078 * except.c (create_rethrow_ref): New function to create a single
1079 SYMBOL_REF for a rethrow region.
1080 (push_eh_entry): Initialize a rethrow ref.
1081 (func_eh_entry): Add a rethrow_label field.
1082 (new_eh_region_entry): Make static, and initialize the rethrow entry.
1083 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
1084 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
1085 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
1086 a region into an appropriate new symbol.
1087 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
1088 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
1089 (end_catch_handler): Emit a barrier for new-exceptions since
1090 control can never drop through the end of a catch block.
1091 (expand_end_all_catch): new-exceptions never fall through a catch
1093 (expand_rethrow): use __rethrow routine for new exceptions.
1094 (output_exception_table_entry): Generate rethrow labels, if needed.
1095 (output_exception_table): Generate start and end rethrow labels.
1096 (init_eh): Create rethrow symbols for beginning and end of table.
1097 (scan_region): Don't eliminate EH regions which are the targets of
1100 * flow.c (make_edges): Add different edges for rethrow calls,
1101 identified by having the REG_EH_RETHROW reg label.
1102 (delete_unreachable_blocks): Don't delete regions markers which are
1103 the target of a rethrow.
1105 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
1106 allow save_for_inline_copying to call duplicate_eh_handlers.
1107 (save_for_inline_copying): Call duplicate_eh_handlers instead of
1108 exposing internal details of exception regions.
1109 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
1110 (expand_inline_function_eh_labelmap): New callback routine to
1111 allow expand_inline_function to call duplicate_eh_handlers.
1112 (expand_inline_function): Call duplicate_eh_handlers instead of
1113 exposing internal details of exception regions.
1114 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
1117 * libgcc2.c (find_exception_handler): Generalize to enable it to
1118 pick up processing where it left off last time for a rethrow.
1119 (__unwinding_cleanup): New function. debug hook which is called before
1120 unwinding when __throw finds there is nothing but cleanups left.
1121 (throw_helper): Common parts of __throw extracted out for reuse.
1122 (__throw): Common parts moved to throw_helper.
1123 (__rethrow): New function for performing rethrows.
1125 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
1127 * reload1.c (current_function_decl): Tweak declaration.
1129 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
1131 * c-decl.c (flag_isoc9x): Default off.
1132 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
1133 * cccp.c (print_help, main): Likewise.
1134 * gcc.c (default_compilers): Update for -std=gnu*.
1136 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
1138 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
1139 * demangle.h: Deleted.
1141 * reload1.c (current_function_decl): Declare.
1143 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1145 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
1147 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1149 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
1151 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
1153 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
1155 * configure: Rebuilt.
1156 * system.h: If the *_unlocked functions are available use them
1157 instead of the locked counterparts by defining macros.
1158 * config.in: Regenerated.
1160 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
1162 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
1163 wrong and should only be used for dump related things, not
1164 debugging information, instead main_input_filename should be used.
1165 Also, reuse output_file_directive if possible.
1166 * i386/aix386ng.h (ASM_FILE_START): Likewise.
1167 * i386/isc.h (ASM_FILE_START): Likewise.
1168 * i386/win-nt.h (ASM_FILE_START): Likewise.
1169 * i386/sun386.h (ASM_FILE_START): Likewise.
1171 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
1173 * configure.in (mips*-*-linux*): Handle big and little endian
1175 * configure: Rebuilt.
1177 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
1179 * emit-rtl.c: Fix typo.
1181 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
1183 * reload1.c (eliminate_regs): Don't do anything, if we're not
1186 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
1188 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
1190 * mips/mips.c (mips_select_section): Add comment.
1192 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
1194 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
1195 characters in file names in #line to be consistent with #include
1196 handling. We support escape prcessing in the # 1 "..." version of
1197 the command. See also support in cp/lex.c.
1198 (handle_directive): Likewise.
1199 (do_line): Likewise.
1201 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
1203 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
1204 so it'll work on non-ASCII platforms. Always consider $ an
1205 identifier character. Take no arguments.
1206 (cpp_reader_init): Call initialize_char_syntax with no
1208 (cpp_start_read): Don't call initialize_char_syntax again.
1209 Clear is_idchar['$'] and is_idstart['$'] if not
1210 opts->dollars_in_ident.
1212 * cpplib.h (struct cpp_reader): Replace void *data element by
1213 cpp_options *opts. Rearrange elements to make gdb printout
1214 less annoying (put buffer stack at end).
1215 (CPP_OPTIONS): Get rid of now-unnecessary cast.
1217 * cppmain.c: s/data/opts/ when initializing cpp_reader
1219 * c-decl.c: Likewise.
1220 * objc/objc-act.c: Likewise.
1221 * fix-header.c: Likewise.
1223 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
1225 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
1226 with a struct file_name_list pointer.
1227 (struct cpp_reader): Add pointer to chain of `actual
1228 directory' include searchpath entries.
1229 (struct file_name_list): Add *alloc pointer for the sake of
1230 the actual-directory chain.
1232 Move definition of HOST_WIDE_INT here.
1233 (cpp_parse_escape): Change prototype to match changes in
1236 * cppfiles.c (actual_directory): New function.
1237 (finclude): Use it to initialize the buffer's actual_dir
1239 (find_include_file): We don't need to fix up max_include_len
1242 * cpplib.c (do_include): Don't allocate a file_name_list on
1243 the fly for current directory "" includes, use the one that's
1244 been preallocated in pfile->buffer->actual_dir. Hoist out
1245 duplicate code from the search_start selection logic.
1246 (cpp_reader_init): Initialize pfile->actual_dirs.
1248 Remove definition of HOST_WIDE_INT. Change calls
1249 to cpp_parse_escape to match changes in cppexp.c (note
1250 hardcoded MASK, which is safe since this is the source
1253 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
1254 to handle wide character constants in #if directives. The
1255 function now returns a HOST_WIDE_INT, and takes a third
1256 argument which is a binary mask for all legal values (0x00ff
1257 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
1258 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
1259 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
1261 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
1263 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
1265 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1267 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
1268 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
1269 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
1271 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
1273 * final.c (output_asm_name): Use tabs to seperate comments from
1276 Include instruction lengths (if defined) in output.
1278 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1280 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
1281 in the loop_info structure.
1283 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
1285 * configure.in: (arm*-*-ecos-elf): New target.
1286 * configure: Regenerated.
1287 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
1288 * config/arm/ecos-elf.h: New file.
1289 * config/arm/unknown-elf.h (TARGET_VERSION): Check
1292 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1294 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
1296 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
1298 * version.c: Bump for snapshot.
1300 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1302 * loop.c (check_dbra_loop): New argument loop_info. Update fields
1305 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
1307 * version.c: Bump for snapshot.
1309 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1311 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
1312 compressed reports are ok and preferred over URLs
1314 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1316 * invoke.texi (Warning Options): Soften the tone of -pedantic
1318 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
1320 * print-rtl.c (print_rtx): Add prototype.
1322 * unroll.c (iteration_info): Make it static.
1324 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
1326 * alias.c (memrefs_conflict_p): A second ANDed address
1327 disables the aligned address optimization.
1329 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
1331 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
1334 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
1336 * i960.h (BOOL_TYPE_SIZE): Define.
1338 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1340 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
1341 from old valid_parallel_operands_4.
1342 (valid_parallel_operands_4): Check that operands for 4 operand
1343 parallel insns are valid, excluding load/store insns.
1344 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
1345 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
1346 valid_parallel_load_store instead of valid_parallel_operands_4.
1347 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
1348 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
1349 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
1350 *notqi_movqi_clobber): Use valid_parallel_operands_4.
1351 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
1352 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
1353 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
1355 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1357 * config/c4x/c4x.c (iteration_info): Delete extern.
1359 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1361 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
1363 * final.c (cleanup_subreg_operands): Delete some unused code.
1365 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
1366 (struct insn_alternative): New structure definition.
1367 (recog_op_alt): Declare variable.
1368 (preprocess_constraints): Declare function.
1369 * recog.c (recog_op_alt): New variable.
1370 (extract_insn): Verify number of alternatives is in range.
1371 (preprocess_constraints): New function.
1372 * reg-stack.c: Include recog.h.
1373 (constrain_asm_operands): Delete.
1374 (get_asm_operand_lengths): Delete.
1375 (get_asm_operand_n_inputs): New function.
1376 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
1377 N_OUTPUTS args. All callers changed.
1378 Compute number of inputs and outputs here by calling
1379 get_asm_operand_n_inputs.
1380 Instead of constrain_asm_operands, call extract_insn,
1381 constrain_operands and preprocess_constaints. Use information
1382 computed by these functions throughout.
1383 (record_reg_life): Delete code that is unused due to changes in
1384 record_asm_reg_life.
1385 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
1386 N_INPUTS and N_OUTPUTS args. All callers changed.
1387 Similar changes as in record_asm_reg_life.
1388 (subst_stack_regs): Move n_operands declaration into the if statement
1390 Delete code that is unused due to changes in subst_asm_stack_regs.
1391 * stmt.c (expand_asm_operands): Verify number of alternatives is in
1393 * Makefile.in (reg-stack.o): Depend on recog.h.
1395 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
1397 * except.c (set_exception_version_code): Argument is an "int".
1399 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
1401 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
1402 * configure: Rebuilt.
1404 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
1406 * configure.in (mipsel-*-linux*): New target.
1407 * mips/linux.h: New file, based on other Linux targets.
1409 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
1411 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
1412 runs in the context of the deleter, not the deletee, so we must
1413 use taskVarGet to find the correct memory to free.
1414 (__gthread_key_create): Initialize the task
1415 variable subsystem so that the task variable is still active when
1416 the delete hook is run.
1418 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
1420 * pdp11.h: Use optimize_size for space optimizations.
1421 * pdp11.c: Likewise.
1422 * pdp11.md: Likewise.
1424 * pdp11.h (TARGET_40_PLUS): Fix typo.
1426 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
1428 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
1431 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1433 * alias.c (addr_side_effect_eval): New function.
1434 (memrefs_conflict_p): Use it.
1435 * rtl.h (addr_side_effect_eval): Prototype it.
1437 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
1439 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
1441 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
1443 * reload.c (find_reloads): When force const to memory, put result
1444 in substed_operand not *recog_operand_loc.
1446 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
1448 * c-lex.c: Fix indentation from last patch.
1449 Remove trailing whitespace.
1452 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
1454 * flow.c (delete_block): Call set_last_insn after we have reset
1455 NEXT_INSN (kept_tail).
1457 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
1459 * mips.md (trap_if): Use "$0" for the value zero.
1461 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
1462 Stephen L Moshier <moshier@world.std.com>
1463 Richard Henderson <rth@cygnus.com>
1465 * c-common.c (declare_function_name): Declare predefinied variable
1468 * c-decl.c (flag_isoc9x): Set to 1 by default.
1469 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
1470 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
1472 * c-parse.in: Allow constructors in ISO C 9x.
1473 Rewrite designator list handling.
1474 Allow [*] parameters.
1475 Don't warn about comma at end of enum definition for ISO C 9x.
1477 * cccp.c (c9x): New variable.
1478 (rest_extension): New variable.
1479 (print_help): Document new -std= option.
1480 (main): Recognize -std= option. Set c9x appropriately.
1481 (create_definition): Recognize ISO C 9x vararg macros.
1483 * gcc.c (default_compilers): Adjust specs for -std options.
1484 (option_map): Add --std.
1485 (display_help): Document -std.
1487 * toplev.c (documented_lang_options): Add -std and remove
1490 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
1491 or REAL_VALUE_HTOF based on base of the constants.
1492 * fold-const.c (real_hex_to_f): New function. Replacement function
1493 for hex FP conversion if REAL_ARITHMETIC is not defined.
1494 * real.c (asctoeg): Add handling of hex FP constants.
1495 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
1498 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
1500 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
1501 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
1502 expansion. Use hi/lo as destination register.
1504 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
1505 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
1506 Avoid as macro expansion. Use hi/lo as destination register.
1508 * mips.h (MASK_CHECK_RANGE_DIV): New.
1509 (MASK_NO_CHECK_ZERO_DIV): New.
1510 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
1511 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
1512 return address for leaf functions out of r31 to support
1513 builtin_return_address.
1515 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1517 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
1518 NEXT_INSN(x) to check insn x.
1520 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
1522 * flow.c (delete_block): Call set_last_insn if we end up deleting the
1523 last insn in the rtl chain.
1525 * reload1.c (reload): Do not set reload_completed or split insns
1527 * toplev.c (rest_of_compilation): Set reload_completed after
1528 reload returns. Split insns after reload_cse has run.
1530 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
1532 * final.c (final_scan_insn): Abort if block_depth falls below 0.
1534 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
1536 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
1538 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
1540 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
1541 use of user-label_prefix.
1543 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1545 * reload1.c (emit_reload_insns): Clear spill_reg_store
1546 when doing a new non-inherited reload from the same pseudo.
1548 * local-alloc.c (function_invariant_p): New function.
1549 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
1550 to decide if an equivalence should be recorded.
1551 * reload1.c (num_eliminable_invariants): New static variable.
1552 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
1553 to decide if an equivalence should be recorded.
1555 (calculate_needs_all_insns): Skip insns that only set an equivalence.
1556 Take num_eliminable_invariants into account when deciding
1557 if register elimination should be done.
1558 (reload_as_needed): Take num_eliminable_invariants into account
1559 when deciding if register elimination should be done.
1560 (eliminate_regs): Handle non-constant reg_equiv_constant.
1561 * rtl.h (function_invariant_p): Declare.
1563 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
1565 * version.c: Bump for snapshot.
1567 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
1569 * version.c: Bump for snapshot.
1571 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
1573 * except.c (add_new_handler): Complain about additional handlers
1574 after one that catches everything.
1576 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
1578 * configure.in (alpha*-*-netbsd): Fix typo.
1579 * configure: Rebuilt.
1581 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1583 * system.h: Include libiberty.h.
1585 * c-aux-info.c: Remove prototypes for concat/concat3. Change
1586 function `concat' from fixed parameters to variable parameters,
1587 as is done in libiberty. All callers of concat/concat3
1588 changed to use the new `concat' with variable args.
1590 * cccp.c: Remove things made redundant by libiberty.h and/or
1591 conform to libiberty standards.
1593 * collect2.c: Likewise.
1594 * config/1750a/1750a.h: Likewise.
1595 * cppalloc.c: Likewise.
1596 * cppexp.c: Likewise.
1597 * cppfiles.c: Likewise.
1598 * cpphash.c: Likewise.
1599 * cpplib.c: Likewise.
1600 * dyn-string.c: Likewise.
1601 * fix-header.c: Likewise.
1604 * genattr.c: Likewise.
1605 * genattrtab.c: Likewise.
1606 * gencheck.c: Likewise.
1607 * gencodes.c: Likewise.
1608 * genconfig.c: Likewise.
1609 * genemit.c: Likewise.
1610 * genextract.c: Likewise.
1611 * genflags.c: Likewise.
1612 * gengenrtl.c: Likewise.
1613 * genopinit.c: Likewise.
1614 * genoutput.c: Likewise.
1615 * genpeep.c: Likewise.
1616 * genrecog.c: Likewise.
1617 * getpwd.c: Likewise.
1618 * halfpic.c: Likewise.
1620 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
1621 in NEED_DECLARATION_* macros.
1623 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
1624 conform to libiberty standards.
1625 (fatal): Fix const-ification of variable `format' in
1626 !ANSI_PROTOTYPES case.
1628 * prefix.c: Remove things made redundant by libiberty.h and/or
1629 conform to libiberty standards.
1631 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
1632 conflicting with function `spaces' from libiberty.
1634 * profile.c: Remove things made redundant by libiberty.h and/or
1635 conform to libiberty standards.
1636 * protoize.c: Likewise.
1639 * tlink.c: Likewise.
1640 * toplev.c: Likewise.
1641 * toplev.h: Likewise.
1644 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1646 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
1648 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1650 * README.C4X: Updated URLs.
1651 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
1652 (valid_parallel_operands_5): Remove unused variable.
1654 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1656 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
1658 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
1660 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
1661 which can be configured.
1662 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
1663 (Makefile): Pass actual LANGUAGES through the environment when
1665 (cstamp-h): Likewise.
1666 (config.status): Likewise.
1668 * configure.in (enable_languages): Add new configuration parameter
1669 "--enable-languages=lang1,lang2,...".
1670 (${srcdir}/*/config-lang.in): Change handling to configure only
1671 those directories, that the user might have enabled; default to
1672 "all" existing languages.
1673 * configure: Regenerate.
1675 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
1677 * rtlanal.c (regs_set_between_p): New function.
1678 * rtl.h (regs_set_between_p): Prototype it.
1679 * jump.c (jump_optimize): Use it instead of modified_between_p
1680 in the Sep 2 change.
1682 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
1683 Matthias Pfaller <leo@dachau.marco.de>
1685 * invoke.texi (Option Summary, NS32K Options): add description
1686 of NS32K specific options.
1688 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
1689 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
1690 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
1691 negdf2, absdf2): Use l instead of f since the double class and
1692 float class are no longer the same.
1693 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
1694 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
1695 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
1696 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
1698 (cmpsi, cmphi, cmpqi): use general_operand instead of
1699 non_immediate_operand. Removes erroneous assumption that can't
1701 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
1702 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
1704 (movstrsi, movstrsi1, movstrsi2): completely new block move
1706 (...): Patterns to exploit multiply-add instructions.
1707 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
1708 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
1709 patterns to exploit extended divide insns.
1710 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
1713 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
1714 float return values as well as simple scalar floats.
1715 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
1716 support new flag to denote 32381 fpu.
1717 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
1718 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
1720 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1721 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
1722 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
1723 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
1724 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
1725 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
1726 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
1727 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
1728 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
1729 fpu registers and special register classes for new 32381
1730 instructions dotf and polyf.
1731 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
1733 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
1734 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
1736 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
1737 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
1738 (REGISTER_MOVE_COST): move code to register_move_cost function for
1739 ease of coding and debugging.
1740 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
1741 LONG_FLOAT_REGO is likely spilled but not caught by default
1743 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
1744 instead of hard coded numbers in range check.
1745 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
1746 (...): Add prototypes for functions in ns32k.c but disable because
1747 of problems when ns32k.h is included in machine independant files.
1749 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
1750 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
1751 hard_regno_mode_ok, secondary_reload_class,
1752 print_operand, print_operand_address): new register scheme to
1753 include 32381 fpu registers and special register classes for new
1754 32381 instructions dotf and polyf.
1755 (gen_indexed_expr): Make static to keep namespace clean.
1756 (check_reg): remove since never called.
1757 (move_tail, expand_block_move): helper functions for "movstrsi"
1759 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
1760 Increase cost of moves which go via memory.
1761 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
1762 (CPP_PREDEFINES): nolonger predefine "unix".
1764 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
1765 Remove erroneous %$. print_operand() can work out from the rtx is
1766 an immediate prefix is required.
1768 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
1769 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
1770 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
1772 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
1775 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
1776 Correct handling of pic operands.
1777 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
1778 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
1779 -mrtd calling convention.
1781 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
1783 * gcc.c (option_map): Recognize --output-class-directory.
1785 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1787 * loop.h (precondition_loop_p): Added new mode argument.
1788 * unroll.c (precondition_loop_p): Likewise.
1789 (approx_final_value): Function deleted and subsumed
1790 into loop_iterations.
1791 (loop_find_equiv_value): New function.
1792 (loop_iterations): Use loop_find_equiv_value to find increments
1793 too large to be immediate constants. Also use it to find terms
1794 common to initial and final iteration values that can be removed.
1796 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1798 * loop.h (struct loop_info): Define new structure.
1799 (precondition_loop_p): Added prototype.
1800 (unroll_loop): Added new argument loop_info to prototype.
1801 (final_biv_value, final_giv_value): Added new argument n_iterations
1803 * loop.c (strength_reduce): Declare new structure loop_iteration_info
1804 and new pointer loop_info.
1805 (loop_n_iterations): Replace global variable by element in
1806 loop_info structure.
1807 (check_final_value): New argument n_iterations.
1808 (insert_bct): New argument loop_info.
1809 (loop_unroll_factor): Replace global array by element in
1810 loop_info structure.
1811 (loop_optimize): Remove code to allocate and initialise
1812 loop_unroll_factor_array.
1813 * unroll.c (precondition_loop_p): No longer static since
1814 used by branch on count optimization.
1815 (precondition_loop_p, unroll_loop): New argument loop_info.
1816 (final_biv_value, final_giv_value, find_splittable_regs): New
1817 argument n_iterations.
1818 (loop_iteration_var, loop_initial_value, loop_increment,
1819 loop_final_value, loop_comparison_code, loop_unroll_factor):
1820 Replaced global variables by loop_info structure.
1821 (loop_unroll_factor): Replace global array by element in
1822 loop_info structure.
1824 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1826 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
1829 * unroll.c (precondition_loop_p): Return loop_initial_value
1830 for initial_value instead of loop_iteration_var.
1832 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1834 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
1835 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
1836 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
1837 to output the instruction sequences.
1839 (rptb_top): Provide alternatives to use any register or memory
1841 (rptb_end): Emit use of operands rather than assigning them
1842 explicitly to the RS and RE registers.
1844 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1846 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
1847 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
1848 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
1849 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
1850 c4x_merge_notes, c4x_parallel_process,
1851 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
1852 c4x_combine_parallel): Delete.
1854 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1856 * config/c4x/c4x.c: (c4x_override_options): For compatibility
1857 with old target options clear flag_branch_on_count_reg if
1858 -mno-rptb specified and set flag_argument_alias is -mno-aliases
1860 (c4x_output_cbranch): Handle a sequence of insns rather than a
1862 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
1863 has not been allocated as the loop counter.
1864 (c4x_address_conflict): Do not allow two volatile memory references.
1865 (valid_parallel_operands_4, valid_parallel_operands_5,
1866 valid_parallel_operands_6): Reject pattern if the register destination
1867 of the first set is used as part of an address in the second set.
1869 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1871 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
1872 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
1873 is no longer enabled if PARALLEL_MPY_FLAG set.
1874 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
1875 (REG_CLASS_CONTENTS): Add braces around initializers.
1876 (HAVE_MULTIPLE_PACK): Define.
1877 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
1878 REAL_VALUE_TO_DECIMAL.
1879 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
1880 REAL_VALUE_TO_DECIMAL.
1881 (ar0_reg_operand): Add prototype.
1882 (ar0_mem_operand): Likewise.
1883 (ar1_reg_operand): Likewise.
1884 (ar1_mem_operand): Likewise.
1885 (ar2_reg_operand): Likewise.
1886 (ar2_mem_operand): Likewise.
1887 (ar3_reg_operand): Likewise.
1888 (ar3_mem_operand): Likewise.
1889 (ar4_reg_operand): Likewise.
1890 (ar4_mem_operand): Likewise.
1891 (ar5_reg_operand): Likewise.
1892 (ar5_mem_operand): Likewise.
1893 (ar6_reg_operand): Likewise.
1894 (ar6_mem_operand): Likewise.
1895 (ar7_reg_operand): Likewise.
1896 (ar7_mem_operand): Likewise.
1897 (ir0_reg_operand): Likewise.
1898 (ir0_mem_operand): Likewise.
1899 (ir1_reg_operand): Likewise.
1900 (ir1_mem_operand): Likewise.
1901 (group1_reg_operand): Likewise.
1902 (group1_mem_operand): Likewise.
1903 (ir1_reg_operand): Likewise.
1904 (arx_reg_operand): Likewise.
1905 (not_rc_reg): Likewise.
1906 (not_modify_reg): Likewise.
1907 (c4x_group1_reg_operand): Remove prototype.
1908 (c4x_group1_mem_operand): Likewise.
1909 (c4x_arx_reg_operand): Likewise.
1911 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
1913 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
1914 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
1916 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1918 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
1921 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1923 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
1924 unless FMOVD_WORKS is defined.
1926 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1928 * regclass.c (init_reg_sets): Move code that calculates tables
1929 dependent on reg_class_contents from here...
1930 (init_reg_sets_1): To here.
1932 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1934 * cpplib.h: Delete struct import_file. Add ihash element to
1935 struct cpp_buffer. Delete dont_repeat_files and
1936 import_hash_table elements from cpp_reader; change
1937 all_include_files to a hash table. Delete all foobar_include
1938 / last_foobar_include elements from struct cpp_options; put
1939 back four such: quote_include, bracket_include,
1940 system_include, after_include. Redo struct file_name_list
1941 completely. Add new structure type include_hash. Add
1942 prototypes for merge_include_chains and include_hash. Change
1943 prototypes for finclude, find_include_file, and
1944 append_include_chain to match changes below.
1946 * cppfiles.c (simplify_pathname, include_hash,
1947 remap_filename, merge_include_chains): New functions.
1948 (add_import, lookup_import, open_include_file): Removed.
1949 (INO_T_EQ): Define this (copied from cccp.c).
1950 (hack_vms_include_specification): Remove all calls and #if 0
1951 out the definition. It was being called incorrectly and at
1952 the wrong times. Until a VMSie can look at this, it's better
1953 to not pretend to support it.
1954 (append_include_chain): Change calling convention; now takes
1955 only one directory at a time, and sets up the data structure
1957 (redundant_include_p): Rewritten - this is now used for all
1958 include redundancy, whether by #ifndef, #import, or #pragma
1959 once. Looks up things in the include hash table.
1960 (file_cleanup): Decrement pfile->system_include_depth here if
1962 (find_include_file): Calling convention changed; now passes
1963 around a struct include_hash instead of 3 separate parameters.
1964 Guts ripped out and replaced with new include_hash mechanism.
1965 (finclude): Calling convention changed as for
1966 find_include_file. Error exits pulled out-of-line. Reformat.
1967 (safe_read): Return a long, not an int.
1968 (deps_output): Don't recurse.
1970 * cpplib.c (is_system_include): Deleted.
1971 (path_include): Fix up call to append_include_chain.
1972 (do_include): Fix up calls to find_include_file and finclude.
1973 Clean up dependency output a bit. Shorten obnoxiously lengthy
1974 #import warning message. Don't decrement
1975 pfile->system_include_depth here.
1976 (do_pragma): Understand the include_hash structure. Reformat.
1977 (do_endif): Correct handling of control macros. Understand
1979 (cpp_start_read): Fix up calls to finclude. Call
1980 merge_include_chains.
1981 (cpp_handle_option): Fix up calls to append_include_chain.
1982 Understand the four partial include chains.
1983 (cpp_finish): Add debugging code (#if 0-ed out) for the
1985 (cpp_cleanup): Free the include_hash, not the import hash and
1986 the all_include and dont_repeat lists which no longer exist.
1988 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
1990 * toplev.c (no_new_pseudos): Define.
1991 (rest_of_compilation): Set no_new_pseudos as needed.
1992 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
1993 if no_new_pseudos is set.
1994 * rtl.h (no_new_pseudos): Declare it.
1995 * reload1.c (reload): Update comments.
1996 * md.texi: Corresponding changes.
1998 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2000 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
2001 (choose_reload_regs): Rename it here as well. When computing it,
2002 also merge in used hardregs.
2004 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2006 * gcc.c: Split out Objective-C specs to...
2007 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
2010 * c-lex.c (init_parse): Always initialize the filename global.
2011 * objc/objc-act.c (lang_init): Always call check_newline at
2014 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
2016 * reload1.c (reload): Remove unused variable.
2017 (reload_reg_free_for_value_p): Add missing parameter definition.
2019 * jump.c (jump_optimize): Remove unused variable.
2021 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
2023 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
2025 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
2027 * expr.c (move_by_pieces): Similarly.
2028 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
2029 * flow.c (find_auto_inc): Similarly.
2030 (try_pre_increment): Similarly.
2031 * loop.c (strength_reduce): Similarly.
2032 * regclass.c (auto_inc_dec_reg_p): Similarly.
2033 * regmove.c (try_auto_increment): Similarly.
2034 (fixup_match_1): Similarly.
2035 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
2036 (HAVE_PRE_DECREMENT): Similarly.
2037 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
2038 * Corresponding changes to all target header files.
2039 * tm.texi: Update docs for autoinc addressing modes.
2041 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
2043 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
2044 * configure: Rebuild.
2045 * config/elfos.h: New file.
2046 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
2047 config/m68k/t-m68kelf: New file.
2049 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
2051 * Makefile.in (HOST_AR): Define.
2052 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
2053 (libcpp.a): Use the host tools explicitly.
2054 (STAGESTUFF): Add libcpp.a.
2056 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
2058 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
2059 to source and destination registers.
2061 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
2063 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
2064 The strategy we now use is to pre allocate the top_elt along
2065 with the EH context so that each thread has its own top_elt.
2066 This is necessary as the dynmanic cleanup chain is used on the
2067 top element of the stack and each thread MUST have its own.
2068 (eh_context_static): Likewise.
2069 (new_eh_context): Likewise.
2070 (__sjthrow): Likewise.
2072 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
2074 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
2075 * i386.md (prologue_get_pc): Remove unused variable.
2077 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
2079 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
2081 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
2083 * Makefile.in (OBJS): Add graph.o
2084 (graph.o): New dependency list.
2085 * flags.h: Declare dump_for_graph and define graph_dump_types type.
2086 * print-rtl.c (dump_for_graph): Define new variable.
2087 (print_rtx): Rewrite to allow use in graph dumping functions.
2088 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
2089 finish_graph_dump_file.
2090 Define graph_dump_format.
2091 (compile_file): If graph dumping is enabled also clear these files.
2092 Finish graph dump files.
2093 (rest_of_compilation): Also dump graph information if enabled.
2094 (main): Recognize -dv to enabled VCG based graph dumping.
2095 * graph.c: New file. Graph dumping functions.
2097 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
2099 * configure.in: Look for <sys/stat.h>.
2100 * system.h: Include it before substitute S_ISREG definitions.
2102 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
2104 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
2105 * config/mips/iris6.h: Same.
2106 * config/mips/mips.md: Same.
2107 * config/mips/mips.c: Same; also add "-mabi=o64" option.
2108 * config/mips/mips.h: Same; also define ABI_O64.
2110 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2112 * configure.in: Use AC_PREREQ(2.12.1).
2114 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2116 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
2117 * cpplib.c, gcc.c: Likewise.
2118 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
2120 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
2122 * local-alloc.c (local_alloc): Use malloc not alloca for
2123 reg_qty, reg_offset, ref_next_in_qty.
2125 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2127 * caller-save.c (insert_one_insn): Initialize the live_before and
2128 live_after register sets.
2132 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
2133 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
2134 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
2135 (fp_reg_names, assembler_dialect): New variables.
2136 (print_operand_address): Handle SUBREGs.
2137 (print_operand): Added 'o' case.
2138 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
2139 Name of FP registers depends on mode.
2140 (expand_block_move): Emit different code for SH4 hardware.
2141 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
2142 (from_compare): Likewise.
2143 (add_constant): New argument last_value. Changed all callers.
2144 (find_barrier): Don't try HImode load for FPUL_REG.
2145 (machine_dependent_reorg): Likewise.
2146 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
2147 (gen_far_branch): Emit a barrier after the new jump.
2148 (barrier_align): Don't trust instruction lengths before
2150 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
2151 Use auto-inc addressing for fp registers if doubles need to
2152 be loaded in two steps.
2153 Set sh_flag_remove_dead_before_cse.
2154 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
2155 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
2156 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
2157 Support for FIRST_XD_REG .. LAST_XD_REG.
2158 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
2159 (sh_expand_epilogue): Likewise.
2160 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
2161 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
2162 (arith_reg_operand): FPUL_REG is OK for SH4.
2163 (fp_arith_reg_operand, fp_extended_operand) New functions.
2164 (tertiary_reload_operand, fpscr_operand): Likewise.
2165 (commutative_float_operator, noncommutative_float_operator): Likewise.
2166 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
2167 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
2168 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
2169 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
2170 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
2171 (CONDITIONAL_REGISTER_USAGE): Likewise.
2172 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
2173 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
2174 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
2175 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
2176 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
2177 to -1 and sh_flag_remove_dead_before_cse to 1.
2178 (ASSEMBLER_DIALECT): Define to assembler_dialect.
2179 (assembler_dialect, fp_reg_names): Declare.
2180 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
2181 Hide names of registers that are not accessible.
2182 (CACHE_LOG): Take TARGET_CACHE32 into account.
2183 (LOOP_ALIGN): Take TARGET_HARWARD into account.
2184 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
2185 (FIRST_PSEUDO_REGISTER: Now 49.
2186 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
2187 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
2188 (HARD_REGNO_MODE_OK): Update.
2189 (enum reg_class): Add DF_REGS and FPSCR_REGS.
2190 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
2191 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
2192 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
2193 (NPARM_REGS): Eight floating point parameter registers on SH4.
2194 (BASE_RETURN_VALUE_REG): SH4 also passes double values
2195 in floating point registers.
2196 (GET_SH_ARG_CLASS) Likewise.
2197 Complex float types are also returned in float registers.
2198 (BASE_ARG_REG): Complex float types are also passes in float registers.
2199 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
2200 (LIBCALL_VALUE): Remove trailing semicolon.
2201 (ROUND_REG): Round when double precision value is passed in floating
2203 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
2204 passed on the stack.
2205 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
2206 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
2207 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
2208 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
2209 (MODE_DISP_OK_8): Not for SH4 DFmode.
2210 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
2211 Allow indexed addressing for PSImode after reload.
2212 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
2213 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
2214 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
2215 (DOUBLE_TYPE_SIZE): 64 for SH4.
2216 (RTX_COSTS): Add PLUS case.
2217 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
2218 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
2219 MAC_REGS, PR_REGS, DF_REGS.
2220 (REGISTER_NAMES): Use fp_reg_names.
2221 (enum processor_type): Add PROCESSOR_SH4.
2222 (sh_flag_remove_dead_before_cse): Declare.
2223 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
2224 (PREDICATE_CODES): Add binary_float_operator,
2225 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
2226 fpscr_operand, noncommutative_float_operator.
2227 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
2228 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
2229 * sh.md (attribute cpu): Add value sh4.
2230 (attrbutes fmovd, issues): Define.
2231 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
2232 (function units memory, int, mpy, fp): Make dependent on issue rate.
2233 (function units issue, single_issue, load_si, load): Define.
2234 (function units load_store, fdiv, gp_fpul): Define.
2235 (attribute hit_stack): Provide proper default.
2236 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
2237 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
2238 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
2239 (mulsi3_call): Now uses match_operand for function address.
2240 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
2242 (push, pop, push_e, pop_e): Now define_expands.
2243 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
2244 (movsi_ie): Added y/i alternative.
2245 (ic_invalidate_line_i, movdf_i4): New insns.
2246 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
2247 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
2248 (movdf): Add special code for SH4.
2249 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
2250 (call_valuei, calli, call_value): Likewise.
2251 (movsf): Emit no-op move.
2252 (mov_nop, movsi_y): New insns.
2253 (blt, sge): generalize to handle DFmode.
2254 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
2255 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
2256 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
2257 (fpu_switch0, fpu_switch1, movpsi): New expanders.
2258 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
2259 (toggle_sz): New insn.
2260 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
2261 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
2262 (macsf3): Make use of fpscr visible. Disable for SH4.
2263 (floatsisf2): Make use of fpscr visible.
2264 (floatsisf2_i4): New insn.
2265 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
2266 (ieee_ccmpeqsf_t): Likewise.
2267 (fix_truncsfsi2): Emit different code for SH4.
2268 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
2269 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
2270 (negsf2, sqrtsf2, abssf2): Now expanders.
2271 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
2272 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
2273 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
2274 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
2275 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
2276 (fix_truncdfsi2_i4_2+1): New splitters.
2277 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
2278 (extendsfdf2, truncdfsf2): New expanders.
2279 (truncdfsf2_i4): New insn.
2280 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
2281 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
2282 * float-sh.h: When testing for __SH3E__, also test for
2283 __SH4_SINGLE_ONLY__ .
2284 * va-sh.h (__va_freg): Define to float.
2285 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
2286 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
2287 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
2288 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
2290 (TARGET_SH4_P): Define.
2293 * sh.md (movdf_k, movsf_i): Tweak the condition so that
2294 init_expr_once is satisfied about the existence of load / store insns.
2296 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
2297 change m constraint in source operand to mr / mf .
2299 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
2301 * (__VA_REEF): Define.
2302 (__va_arg_sh1): Use it.
2304 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
2306 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
2308 * i386/dgux.c (struct option): Add new "description field".
2309 * m88k/m88k.c (struct option): Likewise.
2311 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
2313 * version.c: Bump for snapshot.
2315 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2317 * regmove.c (regmove_profitable_p): Use return value of find_matches
2320 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
2322 * version.c: Bump for snapshot.
2324 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
2326 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
2327 without reload having been called earlier.
2329 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
2331 (v850_reorg): Similarly.
2333 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
2335 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2337 * loop.c (move_movables): Start of libcall might be new loop start.
2339 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2341 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
2343 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2345 * function.c (nonlocal_goto_handler_slots): Renamed from
2346 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
2347 (push_function_context_to): Adjust for this change.
2348 (pop_function_context_from): Likewise.
2349 (init_function_start): Likewise.
2350 (expand_function_end): Likewise.
2351 * function.h (struct function): Likewise.
2352 * calls.c (expand_call): Likewise.
2353 * explow.c (allocate_dynamic_stack_space): Likewise.
2354 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
2355 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
2357 (expand_goto): When doing a nonlocal goto, find corresponding handler
2358 slot for it. Don't put the label address in the static chain register.
2359 (expand_end_bindings): Break out nonlocal goto handling code into
2360 three new functions.
2361 (expand_nl_handler_label, expand_nl_goto_receiver,
2362 expand_nl_goto_receivers): New static functions, broken out of
2363 expand_end_bindings and adapted to create one handler per nonlocal
2365 * function.c (delete_handlers): Delete insn if it references any of
2366 the nonlocal goto handler slots.
2367 * i960.md (nonlocal_goto): Comment out code that modifies
2369 * sparc.md (nonlocal_goto): Likewise.
2370 (goto_handler_and_restore_v9): Comment out.
2371 (goto_handler_and_restore_v9_sp64): Comment out.
2373 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2375 * expr.c (STACK_BYTES): Delete unused macro.
2376 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
2377 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2378 (expand_call): Likewise.
2379 (emit_library_call): Likewise.
2380 (emit_library_call_value): Likewise.
2381 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
2382 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2383 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
2384 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2385 (allocate_dynamic_stack_space): Likewise.
2386 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
2387 (STACK_BOUNDARY): Update description to reflect the new situation.
2389 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
2391 * reorg.c (relax_delay_slots): When optimizing for code size, if a
2392 return with a filled delay slot is followed by a return with an
2393 unfilled delay slot, delete the first return and reemit the insn
2394 that was previously in its delay slot.
2396 * i860.c (single_insn_src_p): Add missing parens.
2397 * ginclude/math-3300.h: Likewise.
2399 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
2401 * regclass.c (init_reg_sets_1): Add prototype.
2402 (init_reg_modes): Likewise.
2404 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
2406 * c-common.c: Change warning messages to say `comparison is
2407 always true' or `comparison is always false' instead of the
2408 confusing `is always 0', `is always 1'.
2410 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
2412 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
2413 break instead of return (which loses closing '>').
2415 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
2417 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
2418 standard 387 constants.
2420 * i386.md (jump): Explicitly set "memory" attribute.
2421 (indirect_jump, prologue_set_stack_ptr): Likewise.
2422 (prologue_get_pc_and_set_got, pop): Likewise.
2423 (allocate_stack_worder, blockage, return_internal): Likewise.
2424 (return_pop_internal, nop): Likewise.
2425 (epilogue_set_stack_ptr, leave): Likewise.
2427 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
2429 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
2431 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2433 * reload1.c (reload_reg_free_for_value_p):
2434 Early auto_inc reloads don't conflict with outputs.
2436 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2438 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
2439 Instead call AC_HEADER_SYS_WAIT.
2441 * collect2.c: Don't provide defaults for sys/wait.h macros.
2443 * protoize.c: Likewise. Also, don't include sys/wait.h.
2445 * system.h: Include sys/wait.h and provide macro defaults.
2447 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2449 * Makefile.in (mandir): Set to @mandir@.
2450 (man1dir): New variable to hold the former value of $(mandir).
2451 Replace all uses of $(mandir) by $(man1dir).
2453 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
2455 * reload.c (find_reloads_address_part): If have a CONST_INT, create
2456 a new one before passing it to force_const_mem.
2458 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
2459 find_reloads_address call.
2461 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2463 * expr.c (store_expr): Don't generate load-store pair
2464 if TEMP is identical (according to ==) with TARGET.
2466 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2468 * reload1.c (reload_reg_free_for_value_p): When considered reload
2469 has an output, matching inputs are not sufficient to avoid conflict.
2471 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
2473 * hash.h (hash_table_key): New type.
2474 (hash_entry): Change `string' field to generic `key'.
2475 (hash_table): Add `comp' and `hash' functions.
2476 (hash_table_init): Take them as input.
2477 (hash_table_init_n): Likewise.
2478 (hash_lookup): Modify for generic keys.
2479 (hash_newfunc): Likewise.
2480 (hash_traverse): Likewise.
2481 (string_hash): New function.
2482 (string_compare): Likewise.
2483 (string_copy): Likewise.
2484 * hash.c (hash_table_init_n): Modify for generic keys.
2485 (hash_table_init): Likewise.
2486 (hash_lookup): Likewise.
2487 (hash_newfunc): Likewise.
2488 (hash_traverse): Likewise.
2489 (string_hash): Split out from hash_lookup.
2490 (string_compare): New function.
2491 (string_copy): Split out from hash_lookup.
2492 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
2494 (symbol_hash_lookup): Likewise.
2495 (file_hash_newfunc): Likewise.
2496 (file_hash_lookup): Likewise.
2497 (demangled_hash_newfunc): Likewise.
2498 (demangled_hash_lookup): Likewise.
2499 (tlink_int): Likewise.
2500 (read_repo_file): Likewise.
2501 (recompile_files): Likewise.
2502 (demangle_new_symbols): Likewise.
2503 (scan_linker_output): Likewise.
2505 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2507 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
2509 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
2511 * rs6000.c (output_mi_thunk): Improve test for local branch.
2513 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2515 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
2517 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2519 * reload1.c (reload_reg_free_before_p): Delete.
2520 Changed all callers to use reload_reg_free_for_value_p instead.
2521 (reload_reg_free_for_value_p): Handle more reload types.
2522 A RELOAD_FOR_INPUT doesn't conflict with its
2523 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
2524 Add special case for OUT == const0_rtx.
2525 Added ignore_address_reloads argument. Changed all callers.
2527 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
2529 * toplev.c (compile_file): Don't pedwarn about undefined static
2530 functions just because we passed -Wunused.
2532 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2534 * function.c (purge_addressof_1): Unshare rtl created by
2537 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2539 * regmove.c (regmove_optimize): Don't do anything but
2540 optimize_reg_copy[123] when flag_regmove is not set.
2542 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
2544 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
2545 value in paradoxical SImode result, rather than truncating midpoint.
2547 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
2549 * alpha.c (reg_not_elim_operand): New.
2550 * alpha.h (PREDICATE_CODES): Add it.
2551 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
2552 for the multiplicand.
2554 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
2556 * rs6000.md (movsf): Remove explicit secondary-reload-like
2557 functionality. Only truncate SFmode store if in FPR.
2558 (movsf splitters): Combine const_double splitters.
2559 (movsf_hardfloat): Add GPR support.
2561 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
2563 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
2564 deprecate -mlive-g0 and -mbroken-saverestore.
2565 * t-splet (MULTILIB_OPTIONS): Likewise.
2567 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
2568 in a leaf function. Clarify total_size/extra_size relationship.
2570 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
2572 * i386/cygwin32.asm: Delete.
2573 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
2574 * i386/cygwin32.h: Delete.
2575 * i386/cygwin.h: New file, renamed from cygwin32.h.
2576 * i386/t-cygwin32: Delete.
2577 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
2578 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
2579 * i386/x-cygwin32: Delete.
2580 * i386/x-cygwin: New file, renamed from x-cygwin32.
2581 * i386/xm-cygwin32: Delete.
2582 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
2583 renamed cygwin_ funcs for path translations.
2584 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
2585 * i386/winnt.c: Remove "32" from comment about cygwin.
2586 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
2587 * rs6000/cygwin32.h: Delete.
2588 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
2589 -D__CYGWIN__ to CPP_PREDEFINES.
2590 * rs6000/x-cygwin32: Delete.
2591 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
2592 * rs6000/xm-cygwin32: Delete.
2593 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
2595 * configure.in: Check for cygwin* instead of cygwin32. Account
2596 for the rename of cygwin-related config files to lose the "32"s.
2597 * configure: Regenerate.
2599 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
2600 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
2602 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
2604 * Makefile.in (JAVAGC): New macro.
2605 * configure: Rebuilt.
2606 * configure.in: Recognize --enable-java-gc argument. Subst
2609 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2611 Handle equivalences that have been obscured by gcse:
2613 * reload1.c (reload): Handle equivalences set up in multiple places.
2614 * local-alloc.c (reg_equiv_init_insns): New variable.
2615 (no_equiv): New function.
2616 (update_equiv_regs): Handle equivalences set up in multiple places.
2617 Don't ignore an insn just because its destination is likely to be
2620 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
2622 * except.c (expand_eh_return): Readd force_operand call lost in
2625 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
2627 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
2629 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2631 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
2633 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2635 * regmove.c (regmove_optimize): Fix error in last change.
2637 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
2639 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
2640 offset in the .mask pseudo to compensate for frame pointer adjustments.
2641 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
2642 word swap arguments moved to/from FP registers.
2643 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
2645 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
2647 * version.c: Bump for snapshot.
2649 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
2651 * version.c: Bump for snapshot.
2653 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
2655 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
2656 times, then it can not be completely replaced.
2658 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
2660 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
2662 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2664 * gansidecl.h: Prepend a "G" to the macro wrapping this file
2665 (to distinguish it from the macro wrapping ansidecl.h.)
2666 Include libiberty's ansidecl.h. Remove all redundant definitions.
2667 Define the PROTO() style macros in terms of the PARAMS() ones.
2670 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
2671 __STDC__, when deciding whether to use ANSI variable args.
2672 (emit_library_call_value): Likewise.
2674 * cccp.c (error): Likewise.
2675 (warning): Likewise.
2676 (error_with_line): Likewise.
2677 (warning_with_line): Likewise.
2678 (pedwarn): Likewise.
2679 (pedwarn_with_line): Likewise.
2680 (pedwarn_with_file_and_line): Likewise.
2683 * cexp.y (error): Likewise.
2684 (pedwarn): Likewise.
2685 (warning): Likewise.
2687 * collect2.c (fatal_perror): Likewise.
2691 * combine.c (gen_rtx_combine): Likewise.
2693 * cpperror.c (cpp_message): Likewise.
2694 (cpp_fatal): Likewise.
2696 * cpplib.c (cpp_error): Likewise.
2697 (cpp_warning): Likewise.
2698 (cpp_pedwarn): Likewise.
2699 (cpp_error_with_line): Likewise.
2700 (cpp_warning_with_line): Likewise.
2701 (cpp_pedwarn_with_line): Likewise.
2702 (cpp_pedwarn_with_file_and_line): Likewise.
2704 * cpplib.h: Don't define PARAMS() macro.
2706 * demangle.h: Likewise.
2708 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
2709 when deciding whether to use ANSI variable args.
2711 * emit-rtl.c (gen_rtx): Likewise.
2712 (gen_rtvec): Likewise.
2714 * final.c (asm_fprintf): Likewise.
2716 * fix-header.c (cpp_message): Likewise.
2718 (cpp_fatal): Likewise.
2720 * gcc.c (concat): Likewise.
2724 * genattr.c (fatal): Likewise.
2726 * genattrtab.c (attr_rtx): Likewise.
2727 (attr_printf): Likewise.
2730 * gencodes.c (fatal): Likewise.
2732 * genconfig.c (fatal): Likewise.
2734 * genemit.c (fatal): Likewise.
2736 * genextract.c (fatal): Likewise.
2738 * genflags.c (fatal): Likewise.
2740 * genopinit.c (fatal): Likewise.
2742 * genoutput.c (fatal): Likewise.
2745 * genpeep.c (fatal): Likewise.
2747 * genrecog.c (fatal): Likewise.
2749 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
2750 deciding whether to declare `tree_node' and `rtx_def'.
2752 * hash.h: Don't define stuff we get from gansidecl.h.
2754 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
2755 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2756 whether to use ANSI variable args.
2759 * prefix.c (concat): Likewise.
2763 * system.h: Likewise.
2765 * toplev.c (error_with_file_and_line): Likewise.
2766 (error_with_decl): Likewise.
2767 (error_for_asm): Likewise.
2770 (warning_with_file_and_line): Likewise.
2771 (warning_with_decl): Likewise.
2772 (warning_for_asm): Likewise.
2773 (warning): Likewise.
2774 (pedwarn): Likewise.
2775 (pedwarn_with_decl): Likewise.
2776 (pedwarn_with_file_and_line): Likewise.
2778 (really_sorry): Likewise.
2780 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2781 whether to declare `tree_node' and `rtx_def'.
2783 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
2784 deciding whether to use ANSI variable args.
2785 (build_nt): Likewise.
2786 (build_parse_node): Likewise.
2788 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
2790 * version.c: Bump for snapshot.
2792 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2794 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
2796 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
2798 * collect2.c (main, case 'b'): Use else if.
2800 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2802 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
2803 Arrange to include gansidecl.h in {ht}config.h & tm.h just
2804 before the config/ directory headers.
2805 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
2806 gansidecl.h in the list of dependencies.
2808 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
2809 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
2810 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
2811 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
2812 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
2813 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
2816 * cccp.c: Don't include gansidecl.h.
2818 * collect2.c: Likewise.
2819 * config/c4x/c4x.c: Likewise.
2820 * config/v850/v850.h: Likewise.
2821 * cppalloc.c: Likewise.
2822 * cpperror.c: Likewise.
2823 * cppexp.c: Likewise.
2824 * cppfiles.c: Likewise.
2825 * cpphash.c: Likewise.
2826 * cpplib.c: Likewise.
2827 * cppmain.c: Likewise.
2828 * cppulp.c: Likewise.
2829 * demangle.h: Likewise.
2830 * doprint.c: Likewise.
2831 * dyn-string.c: Likewise.
2832 * eh-common.h: Likewise.
2833 * fix-header.c: Likewise.
2834 * frame.c: Likewise.
2837 * gen-protos.c: Likewise.
2838 * gencheck.c: Likewise.
2839 * halfpic.h: Likewise.
2841 * machmode.h: Likewise.
2842 * mbchar.c: Likewise.
2843 * prefix.c: Likewise.
2844 * protoize.c: Likewise.
2845 * recog.h: Likewise.
2847 * scan-decls.c: Likewise.
2849 * varray.h: Likewise.
2851 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
2853 * i386.md (call_value_pop): If we're not popping anything,
2854 defer to call_value.
2855 (call_pop): Likewise defer to call.
2857 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
2859 * function.c (purge_addressof): Clear purge_addressof_replacements
2860 only after processing the whole function.
2862 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
2864 * reload1.c (reload): If we can not perform a particular elimination
2865 when we thought we could earlier, then we must always iterate through
2866 the loop at least one more time.
2868 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
2870 * alpha.c (add_operand): Simplify the CONST_INT match.
2871 (sext_add_operand): Correct typo in comparison by using
2872 CONST_OK_FOR_LETTER_P.
2873 * alpha.md (s?addq): Use sext_add_operand to allow the negative
2874 constant alternatives to be generated.
2875 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
2876 small constants, since the hw instructions do.
2878 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2880 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
2881 previous insn to store directly into our reload register, make sure
2882 that if the source of the previous insn is a reload register, its
2883 spill_reg_store and spill_reg_stored_to values are cleared.
2885 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
2887 * rs6000.md (floatunssidf2_internal splitter): Use base register
2888 operand, not hard-coded SP.
2890 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2892 * jump.c (calculate_can_reach_end): Fix thinko.
2894 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
2896 * reorg.c (fill_simple_delay_slots): Fix typo.
2898 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
2900 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
2902 * i386.md (extendsidi2): Use # in the output template.
2903 (extendsidi splitters): New splitters.
2905 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
2907 * configure.in: Use unknown-elf.h as tm_file for arm-elf
2909 * configure: Regenerate.
2911 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2913 * jump.c (init_label_info, delete_barrier_successors,
2914 mark_all_labels, delete_unreferenced_labels,
2915 delete_noop_moves, calculate_can_reach_end): New functions broken
2916 out of jump_optimize.
2917 (jump_optimize): Use them.
2919 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2921 * except.c (expand_fixup_region_end): Make sure outer context labels
2922 are not issued in an inner context during cleanups.
2924 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
2926 * alpha.md (addsi3, subsi3): No new temporaries once cse is
2929 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
2931 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
2932 to expose this midpoint to CSE.
2934 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2936 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
2938 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2940 * configure.in: Bring over gcc2 change of Nov 19 1997.
2942 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
2944 * toplev.c (output_lang_identify): Make definition dependent on
2945 ASM_IDENTIFY_LANGUAGE.
2947 * print-rtl.c (spaces): Make static.
2949 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
2951 * extend.texi: Clarify proper uses for register clobbers in asms.
2953 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2955 * recog.h (enum op_type): Define.
2956 (constrain_operands): Adjust prototype.
2957 (recog_op_type): Declare new variable.
2958 * recog.c (recog_op_type): New variable.
2959 (insn_invalid_p): Allow modifying an asm statement after reload.
2960 (extract_insn): Set up recog_op_type.
2961 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
2962 Don't compute operand types, use recog_op_type.
2963 Use the information computed by extract_insn instead of the previous
2964 method of finding it by insn code number.
2965 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
2966 * reorg.c (fill_slots_from_thread): Likewise.
2967 * reload1.c (reload_as_needed): Likewise.
2968 (gen_reload): Likewise.
2969 (inc_for_reload): Likewise.
2970 (reload_cse_simplify_operands): Likewise.
2971 Use the information computed by extract_insn instead of the previous
2972 method of finding it by insn code number.
2973 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
2975 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
2976 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
2977 Use the information computed by extract_insn instead of the previous
2978 method of finding it by insn code number.
2979 * regmove.c (find_matches): Likewise. Change meaning of the return
2980 value to be nonzero if the optimization can be performed, zero if
2981 not. All callers changed.
2982 Shorten some variable names to fix formatting problems.
2983 (regmove_optimize): Shorten some variable names to fix formatting
2985 Use the information computed by extract_insn instead of the previous
2986 method of finding it by insn code number.
2987 * regclass.c (scan_one_insn): Likewise.
2988 (record_reg_classes): Don't compute operand types, use recog_op_type.
2989 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
2990 recog_constraints instead.
2992 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
2994 * rtl.h (flow2_completed): Declare.
2995 * flow.c (flow2_completed): Definition.
2996 * toplev.c (rest_of_compilation): Set and clear flow2_completed
2999 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
3001 * Makefile.in (libcpp.a): Ranlib libcpp.a
3003 * cppulp.c (user_label_prefix): Initialize.
3005 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
3007 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
3008 at a RETURN if current_function_sp_is_unchanging is set.
3010 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3012 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
3014 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
3016 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
3017 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
3018 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
3019 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
3020 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
3021 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
3023 (LIB_SPEC): Handle -mno-cyginw option.
3024 (LINK_SPEC): Handle -mdll.
3026 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3028 * reload.c (find_reloads): Fix test for usage by other reload
3029 to handle secondary reloads properly.
3031 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3033 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
3034 intermediate structure which has exactly the members provided by
3035 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
3036 static intermediate structure.
3038 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
3039 from the intermediate structure. Do the same analogous fix in
3040 the case where ELIMINABLE_REGS is not defined.
3042 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
3044 * pa.h (SELECT_SECTION): Fix thinko.
3046 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
3048 * dwarf2out.c (output_call_frame_info): Comments on last change.
3050 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
3052 * arm.c (add_constant): When taking the address of an item in the
3053 pool, get the mode of the item addressed.
3055 * arm.c (final_prescan_insn case INSN): If an insn doesn't
3056 contain a SET or a PARALLEL, don't consider it for conditional
3059 Restore ABI compatibility for NetBSD.
3060 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
3062 (RETURN_IN_MEMORY): Likewise.
3064 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
3066 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
3067 (m32r_output_block_move): Rewrite bytes < 4 handling.
3069 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3071 * configure.in: Call AC_FUNC_VFORK.
3073 * collect2.c: Define VFORK_STRING as a printable string for
3074 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
3075 defined, include vfork.h. If VMS is defined, define vfork()
3076 appropriately. Remove vfork check on USG, we're using autoconf.
3077 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
3078 checking locally what string to pass.
3079 (scan_prog_file): Likewise.
3080 (scan_libraries): Likewise.
3082 * gcc.c: Remove vfork check on USG, we're using autoconf.
3083 Besides, no calls to vfork/fork occur in this file.
3085 * protoize.c: Likewise.
3087 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3089 * configure.in (DEFAULT_LINKER): renamed from LD
3090 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
3091 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
3092 * configure: rebuilt
3094 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3096 * BUGS: fix the regexp for `more' to find the appropriate node.
3097 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
3099 * BUGS: added link to the WWW FAQ
3101 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
3103 * version.c: Bump for snapshot.
3105 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
3107 * From Christian Gafton:
3108 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
3109 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
3110 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
3112 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
3114 * c-common.c (c_get_alias_set): Allow all type-punning through
3115 unions. Don't get confused about the type of a bit-field, despite
3116 the antics of build_modify_expr.
3118 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
3120 * fixinc.sco: Paramaterize #include_next values.
3121 * fixinc/fixinc.sco: Likewise.
3123 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
3125 * toplev.c (rest_of_compilation): No longer set reload_completed.
3126 * reload1.c (reload): Set it here. Perform instruction splitting
3127 after reload has completed if we will be running the scheduler
3130 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
3132 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
3133 EH region if exceptions are enabled and we're performing cross
3135 (find_cross_jump): Exit loop if the insns are in different EH regions.
3137 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
3139 * dwarf2out.c (output_call_frame_info): Use
3140 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
3142 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3144 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
3145 * c-common.c (check_format_info): Don't check for the 'x'
3146 format character twice, instead check for 'x' and 'X'
3148 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
3150 * configure.in (assembler features): Also make gas is configured if
3151 we find it in the souce tree.
3153 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
3155 * i386.c (i386_comp_type_attributes): Compare whether the
3156 attributes are defined, not their tree nodes.
3158 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3160 * configure.in (gxx_include_dir): bitten by autoconf quoting
3162 * configure: rebuilt
3164 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3166 * configure.in: Ignore non-absolute value in $AS.
3168 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
3170 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
3172 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
3174 * configure.in (msdosdjgpp): Set exeext and target_alias.
3176 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3178 * flow.c (XNMALLOC): New macro.
3179 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
3181 (add_edge, add_edge_to_label): New static functions.
3182 (free_bb_memory): New function.
3183 (flow_delete_insn): Delete function.
3184 (basic_block_drops_in): Delete variable.
3185 (find_basic_blocks): Allocate and initialize basic_block_head,
3186 basic_block_succ. Don't allocate basic_block_drops_in.
3187 Call free_bb_memory at the beginning.
3188 (find_basic_blocks_1): Don't do multiple passes.
3189 Delete code to compute basic_block_drops_in.
3190 After calling make_edges, mark blocks reached by current block live.
3191 Update test for unreachable live blocks.
3192 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
3194 Simplify to call add_edge_to_label when a LABEL_REF is found.
3195 (make_edges): Simplify to call add_edge_to_label instead of
3196 mark_label_ref most of the time.
3197 Compute here whether control drops into the next block.
3198 (delete_unreachable_blocks): Return void. All callers changed.
3199 Delete unreachable blocks in reverse order.
3200 After deleting all unreachable blocks, renumber the remaining ones
3201 and update n_basic_blocks.
3202 (delete_block): Speed up deletion a bit.
3203 Don't set basic_block_drops_in for deleted blocks.
3204 (free_basic_block_vars): Don't free basic_block_drops_in.
3205 (life_analysis_1): Update to use new edge representation.
3206 (dump_flow_info): Delete code to print basic block info; call
3207 dump_bb_data instead.
3208 (compute_preds_succs): Delete code to recompute basic_block_drops_in
3209 and uid_block_number.
3210 Simply copy the previously computed cfg.
3211 (dump_bb_data): New arg LIVE_INFO. All callers changed.
3212 Print register lifetime information if LIVE_INFO is nonzero.
3213 * basic-block.h (dump_bb_data): Adjust prototype.
3214 * gcse.c (gcse_main): Update call to dump_bb_data.
3215 * rtl.h (free_bb_memory): Declare.
3216 * toplev.c (rest_of_compilation): Call free_bb_memory.
3218 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
3219 (update_eliminable_offsets): Don't compute it.
3220 (set_initial_elim_offsets): Don't initialize it.
3221 Break out some code into set_initial_label_offsets so the rest of
3222 this function can be called from reload_as_needed.
3223 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
3224 ELIMINABLE_REGS isn't.
3225 (set_initial_label_offsets): New function, broken out of
3226 set_initial_elim_offsets.
3227 (set_offsets_for_label): New function, broken out of set_label_offsets
3228 and reload_as_needed.
3229 (reload): Call the two new functions.
3230 (reload_as_needed): Call set_initial_elim_offsets instead of
3231 duplicating the code. Likewise for set_offsets_for_label.
3233 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
3234 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
3235 any hard reg, reg_reloaded_dead contains valid data.
3237 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
3239 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
3240 "stdcall" and "cdecl" attributes.
3242 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
3244 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
3245 handle deleted no-op moves of hard registers.
3246 * haifa-sched.c (update_flow_info): Likewise.
3248 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
3250 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
3251 of the sequences to reload the HILO register which do not actually
3254 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
3256 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
3258 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
3260 * except.c (emit_eh_context): Make the EH context register stay alive
3261 at -O0 so stupid.c doesn't get confused.
3263 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3265 * emit-rtl.c (try_split): Do not try to split a BARRIER.
3267 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
3268 Jeffrey A Law (law@cygnus.com)
3270 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
3271 (zero_extendsidi2): Use # in output template and handle completely by
3273 (zero_extend splitters): New define_splits.
3274 (ashiftrt_32): New pattern.
3276 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3278 * tree.c (append_random_chars): New fn.
3279 (get_file_function_name_long): Use it.
3281 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
3283 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
3284 (LIBCPP_OBJS): New. Add cppulp.o.
3285 (cppmain, fix-header): Depend on and use libcpp.a.
3286 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
3287 of the individual object files.
3288 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
3291 * cccp.c (user_label_prefix): New.
3292 (main): Set it off -f*leading-underscore.
3293 (special_symbol): Use it.
3294 * cpplib.c (special_symbol): Likewise.
3295 (cpp_handle_option): Handle -f*leading-underscore.
3296 * cppulp.c: New file.
3298 * output.h (user_label_prefix): Declare it.
3299 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
3300 * toplev.c (f_options, main): Handle -f*leading-underscore.
3302 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
3303 referencing USER_LABEL_PREFIX directly.
3304 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
3305 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
3306 * final.c (asm_fprintf): Use user_label_prefix instead.
3307 * arm/thumb.c (thumb_print_operand): Likewise.
3309 * gcc.c (default_compilers): Pass -f*leading-underscore on to
3310 cpp wherever appropriate.
3312 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
3314 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
3315 specific compiler switches.
3317 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
3319 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
3322 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3324 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
3325 structure which has exactly the members provided by EXTRA_SPECS.
3326 Xmalloc() the real `extra_specs', and initialize it from this
3327 intermediate structure.
3329 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
3331 * mips.h (EXTRA_SPECS): Likewise.
3333 * sparc.h (EXTRA_SPECS): Likewise.
3335 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3337 * function.c (purge_addressof_1): Instead of aborting when a
3338 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
3339 work just put the ADDRESSOF on stack. Otherwise remember all such
3340 successfull replacements, so that exactly the same replacements
3341 can be made on the REG_NOTEs. Remove the special case for CALL
3343 (purge_addressof_replacements): New variable.
3344 (purge_addressof): Clear it at end.
3346 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3348 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
3349 (lang_init): Call check_newline always.
3350 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
3351 cpp_start_read, set yy_cur and yy_lim to read from
3352 parse_in.token_buffer, so that we'll see the first #line
3354 * cpplib.c (cpp_start_read): finclude the main input file
3355 before processing -include/-imacros. Process -imacros and
3356 -include separately, and handle -include by stacking a
3357 buffer for the file in question as if it'd been #included.
3358 * toplev.c (documented_lang_options) Recognize -H when
3361 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3363 * cpplib.c: Merge do_once into do_pragma. Break file handling
3364 code out of do_include.
3365 Move append_include_chain, deps_output,
3366 file_cleanup, redundant_include_p, import_hash,
3367 lookup_import, add_import, read_filename_string, read_name_map,
3368 open_include_file, finclude, safe_read to cppfiles.c.
3369 Move prototypes for deps_output, append_include_chain,
3370 finclude to cpplib.h. Move definition of struct
3371 file_name_list there also.
3373 * cppfiles.c: New file. Contains all the above functions
3374 broken out of cpplib.c; also hack_vms_include_specification
3375 from cccp.c and find_include_file, a new function broken out of
3378 * Makefile.in (cppmain): Depend on cppfiles.o.
3379 (fix-header): Likewise.
3380 (cppfiles.o): New target.
3381 * configure.in (--enable-c-cpplib): Add cppfiles.o to
3382 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
3384 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
3386 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
3387 if pending_types is non-zero.
3388 (dwarfout_finish): Verify pending_types is zero before finishing.
3390 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
3392 * expr.c (convert_move): Use shifts to perform the move if a
3393 suitable extend pattern cannot be found. Code written by
3394 Richard Henderson <rth@cygnus.com>.
3396 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3398 * regclass.c (renumber, regno_allocated): New static variables, moved
3399 out of allocate_reg_info.
3400 (allocate_reg_info): Move these two variables outside the function.
3401 Move code to free memory into new function free_reg_info.
3402 (free_reg_info): New function, broken out of allocate_reg_info.
3403 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
3404 * rtl.h (allocate_reg_info): Don't declare.
3405 (free_reg_info): Declare.
3407 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
3409 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
3411 * toplev.c (compile_file): Temporarily revert last change.
3413 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3415 * c-typeck.c (convert_for_assignment): Parenthesize.
3417 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3419 * reload1.c (delete_output_reload): Avoid ambigous else.
3421 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
3423 * toplev.c (compile_file): Call allocate_reg_info to free register
3425 * rtl.h (allocate_reg_info): Declare.
3427 * PROJECTS: Remove entry for local spilling.
3429 * final.c (cleanup_subreg_operands): New function.
3430 (final_scan_insn): Use it.
3431 (alter_subreg): Clear the "used" field when we turn a SUBREG into
3433 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
3434 operands when reload has finished.
3435 * reload.h (cleanup_subreg_operands): Declare..
3436 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
3437 reload. Handled in reload itself.
3439 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3441 * reload1.c (verify_initial_offsets): New function.
3442 (reload): Call it after reload_as_needed. Also verify that the frame
3443 size stays constant during reload_as_needed.
3444 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
3446 * reload.h (struct insn_chain): Add need_operand_change element.
3447 * reload1.c (new_insn_chain): Clear it.
3448 (calculate_needs_all_insns): Set it; don't overload need_reload.
3449 (reload_as_needed): Use it.
3451 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
3452 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
3453 and reload_address_index_reg_class.
3454 (find_reloads_address_1): Likewise.
3455 * reload.h (reload_address_base_reg_class,
3456 reload_address_index_reg_class): Don't declare.
3457 * reload1.c (reg_old_renumber, pseudo_previous_regs,
3458 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
3459 (used_spill_regs): Now static.
3460 (reload_address_base_reg_class, reload_address_index_reg_class,
3461 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
3462 basic_block_needs, max_needs, group_size, group_mode, max_groups,
3463 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
3466 (init_reload): Delete code to compute base/index reg classes.
3467 (reload): Delete variable J.
3468 Delete code to manage basic_block_needs.
3469 Don't compute regs_explicitly_used.
3470 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
3471 pseudo_previous_regs.
3472 Initialize bad_spill_regs_global.
3473 Don't call order_regs_for_reload here.
3474 Don't initialize spill_reg_order and n_spills.
3475 Don't forbid explicitly used regs to be used for spill regs.
3476 Change main loop to infinite loop, with explicit break statements.
3477 Make SOMETHING_CHANGED variable local to that loop.
3478 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
3479 max_groups_insn, max_nongroups_insn, group_size, group_mode.
3480 Make sure spilled_speudos is cleared before calling spill_hard_reg or
3482 Don't call dump_needs.
3483 Delete code to reset potential_reload_regs.
3484 Delete code to terminate loop conditional on the global needs variables
3485 showing no further needs.
3486 (calculate_needs_all_insns): Return void. All callers changed.
3487 Initialize somehing_needs_elimination here, not in reload.
3488 Delete avoid_return_reg kludge.
3489 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
3490 All callers changed.
3491 Initialize the group_mode and group_size elements of the arg CHAIN.
3492 Delete code to manage basic_block_needs.
3493 Operate on elements of CHAIN instead of global variables.
3494 Delete avoid_return_reg kludge.
3495 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
3496 All callers changed.
3497 Operate on elements of CHAIN instead of global variables.
3498 Delete special SMALL_REGISTER_CLASSES code.
3499 Delete spill_failure code; now in new_spill_reg.
3500 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
3501 All callers changed.
3502 Operate on elements of CHAIN instead of global variables.
3503 (maybe_mark_pseudo_spilled): New static function.
3504 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
3505 All callers changed.
3506 Operate on elements of CHAIN instead of global variables.
3507 Call order_regs_for_reload here, not in reload.
3508 Initialize spill_reg_order and n_spills.
3509 Simplify test whether an asm insn is involved.
3510 Delete spill_failure code; now in new_spill_reg.
3511 Call maybe_mark_pseudo_spilled for everything marked as live in
3512 CHAIN. Merge CHAIN's used_spill_regs into the global variable
3514 (dump_needs): Take CHAIN arg. No longer static, to prevent the
3515 compiler from optimizing this function (now unused) away.
3516 Operate on elements of CHAIN instead of global variables.
3517 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
3519 Operate on elements of CHAIN instead of global variables.
3520 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
3521 take CHAIN arg. All callers changed.
3522 Operate on elements of CHAIN instead of global variables.
3523 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
3524 CHAIN, NONGROUP args. Return void. All callers changed.
3525 Verify caller isn't trying to spill a pseudo.
3526 Simplify test for illegal reg, just use bad_spill_regs.
3527 Generate better error messages.
3528 Operate on elements of CHAIN instead of global variables.
3529 Mark spilled register in CHAIN's used_spill_regs element.
3530 Don't call spill_hard_reg.
3531 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
3532 Mark spilled hard regs in bad_spill_regs_global.
3533 Mark affected pseudos in spilled_pseudos, but don't spill them.
3534 (ior_hard_reg_set): New static function.
3535 (finish_spills): Return int. All callers changed.
3536 Compute spill_reg_order, n_spills and spill_regs here. Also update
3537 regs_ever_live for regs used as spills.
3538 For every pseudo in spilled_pseudos, spill it and mark the previous
3539 hard reg it had in pseudo_previous_regs. Compute which hard regs
3540 arseudo): New static function.
3541 (order_regs_for_reload): Take CHAIN arg. All callers changed.
3542 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
3543 hard registers explicitly used across the current insn into the set.
3544 Compute hard_reg_n_uses taking only pseudos live across this insn
3546 Tweak sorting of potential_reload_regs.
3547 (compare_spill_regs): Delete function.
3548 (reload_as_needed): Don't sort the spill_regs array, it's computed
3549 in proper order in finish_spills.
3550 Delete avoid_return_reg kludge.
3551 Delete code to manage basic_block_needs.
3552 (allocate_reload_reg): Minor speed/readability tweaks.
3553 Operate on elements of CHAIN instead of global variables.
3554 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
3555 Delete avoid_return_reg kludge.
3556 Initialize reload_reg_used from CHAIN's used_spill_regs element.
3557 Delete unused label FAIL.
3558 (reload_combine): Replce reload_address_index_reg_class with
3560 Don't use used_spill_regs to determine information about lifetime of
3563 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
3565 * toplev.c (display_help): Ignore empty target specific
3566 options, and if -W is also specified on the command line then
3567 display undocumented options.
3569 * config/arm/arm.c: Updated with changes in devo sources.
3570 * config/arm/arm.h: Updated with changes in devo sources.
3571 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
3572 * config/arm/lib1thumb.asm: Add ELF support.
3574 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
3576 * collect2.c (aix64_flag): New variable.
3577 (main, case 'b'): Parse it.
3578 (GCC_CHECK_HDR): object magic number must match mode.
3579 (scan_prog_file): Only check for shared object if valid header.
3580 Print debugging if header/mode mismatch.
3582 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
3584 Added support for arm-elf-linux configuration, submitted by Philip
3585 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
3586 code developed by Catherine Moore <clm@cygnus.com>. The following
3589 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
3592 * configure: Regenerated.
3594 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
3595 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
3596 definitions conditional on their not having been already defined.
3598 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
3599 and .type directives, and add "(PLT)" qualification to function
3602 * config/arm/linux.h: Deleted. This file is now superceeded by
3603 either linux-elf.h or linux-aout.h.
3605 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
3606 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
3608 Move definitions from old linux.h file here.
3610 * config/arm/elf.h: New file. Generic ARM/ELF support.
3612 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
3614 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
3616 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
3617 using the 26bit APCS.
3619 * config/arm/unknown-elf.h: New file. Support for OS'es other
3620 than Linux with ELF.
3622 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
3625 * config/arm/coff.h: Include aout.h for basic assembler macros.
3626 Add support for -mstructure_size_boundary=<n> command line option.
3628 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
3629 command line option. Make macro definitions conditional on their
3630 not having been already defined.
3632 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
3633 command line option.
3636 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
3638 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
3639 has been changed to not include a newline. Use this macro instead.
3640 (output_enumeral_list, const_value_attribute, name_attribute,
3641 comp_dir_attribute, prototyped_attribute, producer_attribute,
3642 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
3643 dwarfout_file_scope_decl, generate_new_sfname_entry,
3644 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
3645 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
3647 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
3649 * combine.c (subst): Process the inputs to a parallel asm_operands
3652 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
3654 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
3656 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
3658 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
3660 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
3662 * version.c: Bump for snapshot.
3664 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
3666 * stmt.c (expand_fixup): Set fixup->before_jump to a
3667 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
3669 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3671 * Makefile.in (recog.o): Depend on toplev.h.
3672 (insn-emit.o): Depend on recog.h.
3673 (insn-peep.o): Depend on recog.h and insn-config.h.
3675 * combine.c (simplify_set): Remove unused variable `scratches'.
3677 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
3678 and `idx' in macro conditional controlling their use.
3680 * genemit.c (main): Make the generated output file include
3681 recog.h. Don't have it declare `insn_operand_constraint', since
3682 we get it from recog.h.
3684 * genpeep.c (main): Make the generated output file include
3685 insn-config.h and recog.h.
3687 * recog.c: Include toplev.h.
3688 (extract_insn): Remove unused variable `p'.
3690 * regclass.c (fix_register): Add missing braces around initializer
3692 (allocate_reg_info): Move variable `i' into the scope where it is
3693 used. Change its type to `size_t'.
3695 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3697 * reload.c (push_reload): When merging reloads, make sure
3698 that reload_in_reg and reload_in are from the same reload in
3701 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
3703 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
3704 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
3706 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
3708 * loop.c (loop_has_tablejump): New variable.
3709 (prescan_loop): Scan for it.
3710 (insert_bct): Replace explicit scan with use of it.
3711 * regclass.c (regclass): Restore loop variable j.
3712 (record_reg_classes): Deterine op_types modifiers and initialize
3713 classes[i] before matching constraints. Handle matching
3716 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
3718 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
3721 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3723 * mips.h (EXTRA_SPECS): Add missing initializers.
3725 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3727 * sparc.h (EXTRA_SPECS): Add missing initializers.
3728 (sparc_defer_case_vector): Provide a prototype.
3730 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
3731 comparing it to the result of a pointer subtraction.
3733 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3735 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
3736 the argument to (unsigned char).
3738 * alpha.h (EXTRA_SPECS): Add missing initializers.
3739 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
3742 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
3744 * flow.c (life_analysis_1): Enable "rescan" code after reload.
3745 (propagate_block): Delete dead code after reload.
3747 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
3748 back Oct 15, 1998 change.
3749 * haifa-sched.c (update_flow_info): Likewise.
3750 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
3752 * mn10200.md (truncated shift): Accept constant inputs too.
3754 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
3756 * machmode.h (mode_mask_array): No longer const.
3757 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
3759 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3761 * frame.c: Somewhat explain `FDE'.
3762 Suggested by Brendan Kehoe
3764 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
3766 * expr.c (pending_chain): Move up.
3767 (save_expr_status): Do save pending_chain.
3768 (restore_expr_status): And restore it.
3769 * function.h (struct function): Add pending_chain.
3771 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3773 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
3774 did not match the code.
3776 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3778 * regclass.c (regclass): Break out some code into new function
3779 scan_one_insn, and into regclass_init.
3780 (init_cost): New static variable, moved out of regclass.
3781 (regclass_init): Initialize it here, not in .
3782 (scan_one_insn): New static function, broken out of regclass.
3783 * recog.c (apply_change_group): Break out some code into new
3784 function insn_invalid_p.
3785 (insn_invalid_p): New static fn, broken out of apply_change_group.
3787 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
3789 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
3790 reg_reloaded_contents matches incremented pseudo.
3792 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
3794 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3796 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
3797 addressing modes with side effects. These are currently
3798 placeholders for the C4x target.
3800 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3802 * loop.c (express_from): Make sure that when generating a PLUS of
3803 a PLUS, any constant expression appears on the outermost PLUS.
3805 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
3807 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
3808 works if "$(srcdir)" != ".".
3810 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
3812 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
3813 existing SUBREG if we can, otherwise abort.
3815 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
3817 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
3818 `restrict' is applied to a non-pointer variable.
3820 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
3822 * invoke.texi: Document -flang-isoc9x.
3824 * Makefile.in (OBJS): Add splay-tree.o.
3825 (c-common.o): Depend on rtl.h.
3826 (splay-tree.o): List dependencies and provide build rule.
3828 * rtl.h (record_alias_subset): New function.
3829 * alias.c: Include splay-tree.h.
3830 (alias_set_entry): New type.
3831 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
3832 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
3833 (mems_in_disjoin_alias_sets_p): New function.
3834 (alias_set_compare): Likewise.
3835 (insert_subset_children): Likewise.
3836 (get_alias_set_entry): Likewise.
3838 * tree.h (TYPE_RESTRICT): New macro.
3839 (TYPE_UNQUALIFIED): New manifest constant.
3840 (TYPE_QUAL_CONST): Likewise
3841 (TYPE_QUAL_VOLATILE): Likewise.
3842 (TYPE_QUAL_RESTRICT): Likewise.
3843 (tree_type): Add restrict_flag. Reduce count of free bits.
3844 (DECL_POINTER_ALIAS_SET): New macro.
3845 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
3846 (tree_decl): Add pointer_alias_set.
3847 (build_qualified_type): New function.
3848 (build_type_variant): Define in terms of build_qualified_type.
3849 * tree.c (set_type_quals): New function.
3850 (make_node): Initializae DECL_POINTER_ALIAS_SET.
3851 (build_type_attribute_variant): Use build_qualified_type and
3853 (build_type_variant): Rename, and modify, to become...
3854 (build_qualified_type): New function.
3855 (build_complex_type): Use set_type_quals.
3857 * c-tree.h (C_TYPE_OBJECT_P): New macro.
3858 (C_TYPE_FUNCTION_P): Likewise.
3859 (C_TYPE_INCOMPLETE_P): Likewise.
3860 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
3861 (c_apply_type_quals_to_decl): New function.
3862 (c_build_qualified_type): New function.
3863 (c_build_type_variant): Define in terms of c_build_qualified_type.
3864 (flag_isoc9x): Declare.
3865 * c-typeck.c (qualify_type): Use c_build_qualified_type.
3866 (common_type): Change to use TYPE_QUALS.
3867 (comptypes): Likewise.
3868 (convert_for_assignment): Likewise.
3869 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
3870 * c-decl.c (flag_isoc9x): Define.
3871 (c_decode_option): Handle -flang-isoc9x.
3872 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
3873 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
3874 * c-lex.c (init_lex): Deal with restrict.
3875 (init_lex): Don't treat restrict as a reserved word in
3876 -traditional mode, or without -flang-isoc9x.
3877 * c-lex.h (rid): Add RID_RESTRICT.
3878 * c-parse.gperf (restrict, __restrict, __restrict__): Make
3879 equivalent to RID_RESTRICT.
3880 * c-parse.in (TYPE_QUAL): Update comment.
3881 * c-common.c: Include rtl.h.
3882 (c_find_base_decl): New function.
3883 (c_build_type_variant): Rename, and modify, to become ...
3884 (c_build_qualified_type): New function.
3885 (c_apply_type_quals_to_decl): Likewise.
3886 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
3887 a particular alias set for the reference.
3888 * toplev.c (documented_lang_options): Add -flang-isoc9x.
3890 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
3892 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
3893 command line switches.
3895 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
3897 * reload.c (loc_mentioned_in_p): Add missing braces to bind
3900 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
3902 * gcc.c (option_map): Added --classpath and --CLASSPATH.
3904 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
3906 * regclass.c (fix_register): Add error message.
3907 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
3910 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3912 * c-decl.c (warn_missing_noreturn): New global variable.
3913 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
3914 (finish_function): Implement missing noreturn warning.
3916 * c-tree.h (warn_missing_noreturn): Declare extern.
3918 * invoke.texi: Document new flags.
3920 * toplev.c (documented_lang_options): Add description.
3922 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3924 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
3925 loop optimization stable for the C4x.
3926 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
3927 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
3928 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
3930 (c4x_address_conflict): Be more paranoid when packing a volatile
3931 memref in a parallel load/store.
3933 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3935 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
3936 repeat_block_filler): Deleted.
3937 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
3938 Condition code not set if destination register from 'c' class.
3939 (*subbqi3_carry_clobber): Fix typo.
3941 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3943 * reorg.c (steal_delay_list_from_target) Check for insns that
3944 modify the condition codes and effect the direction of the jump
3947 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3949 * function.c (purge_addressof_1): Replace call to
3950 emit_insns_before() with emit_insn_before().
3952 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
3954 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
3956 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3958 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
3960 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3962 * gcse.c (compute_hash_table): Correctly identify hard regs which are
3963 clobbered across calls.
3965 * loop.c (scan_loop): Be more selective about what invariants are
3966 moved out of a loop.
3968 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
3970 * version.c: Bump for snapshot.
3972 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3974 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
3975 static eh_context structure.
3977 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3979 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
3981 (try_combine): Don't update max_scratch.
3982 * flow.c (max_scratch, num_scratch): Delete variables.
3983 (life_analysis_1): Don't initialize max_scratch.
3984 (propagate_block): Don't update max_scratch.
3985 (mark_set_1): Don't increment num_scratch.
3986 * regs.h (max_scratch): Delete declaration.
3988 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
3990 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
3991 is nonzero. This is temporary!
3993 * sched.c (update_flow_info): Handle death notes made invalid by
3994 instruction splitting. Partially reverts Oct 15, 1998 patch.
3995 * haifa-sched.c (update_flow_info): Likewise.
3997 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
3999 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
4000 if it has a nonzero DECL_INITIAL.
4002 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4004 * Makefile.in (flow.o): Depend on recog.h.
4006 * cpplib.h (directive_table): Add missing initializiers.
4007 (finclude): Change type of variable `bsize' to size_t.
4009 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
4011 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
4013 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
4014 `int' when comparing against one.
4015 (cpp_file_line_for_message): Mark parameter `pfile' with
4017 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
4019 * flow.c: Include recog.h.
4020 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
4022 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
4023 `f' with ATTRIBUTE_UNUSED.
4024 (reposition_prologue_and_epilogue_notes): Likewise.
4026 * genopinit.c (gen_insn): Cast argument of ctype functions to
4029 * haifa-sched.c: Include recog.h.
4030 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
4031 comparing against one.
4033 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
4035 * mips-tfile.c (parse_end): Cast the argument of ctype function to
4037 (parse_ent): Likewise.
4038 (parse_input): Likewise.
4040 * optabs.c (init_libfuncs): Likewise.
4042 * protoize.c (find_rightmost_formals_list): Likewise.
4044 * recog.h (const_double_operand): Fix typo in prototype.
4046 * tlink.c (scan_linker_output): Cast the argument of ctype
4047 function to `unsigned char'.
4049 * toplev.c (check_lang_option): Cast the result of `strlen' to
4050 `int' when comparing against one.
4052 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
4054 * gcse.c (dump_cuid_table): Correct typo.
4056 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
4058 * toplev.c (display_help): Prepend '-m' to target specific
4060 (check_lang_option): Ignore text after end of first word of a
4061 language specific option.
4063 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4065 * reload1.c (reg_used_by_pseudo): New static variable.
4066 (choose_reload_regs): Initialize it.
4067 Use it instead of testing spill_reg_order to determine whether a
4068 pseudo is live in a hard register across the current insn.
4069 Fix a typo in a reference to reload_reg_rtx.
4071 * flow.c (propagate_block): Replace code that computes and uses
4072 regs_sometimes_live with simpler code that just walks the set of
4073 currently live registers.
4075 * Makefile.in (insn-extract.o): Fix dependencies.
4076 * genextract.c (main): Generate includes for insn-config.h and
4078 Delete generation of declarations which are now in recog.h.
4079 * genrecog.c (main): Delete generation of definitions which are
4081 * local-alloc.c (block_alloc): Use extract_insn and the variables
4082 it sets up instead of looking up values by insn_code.
4083 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
4084 recog_dup_num): Define here instead of generating the definition in
4086 (recog_n_operands, recog_n_dups, recog_n_alternatives,
4087 recog_operand_mode, recog_constraints, recog_operand_address_p):
4089 (extract_insn): New function.
4090 * recog.h (extract_insn): Declare function.
4091 (which_alternative, recog_n_operands, recog_n_dups,
4092 recog_n_alternatives, recog_operand_mode, recog_constraints,
4093 recog_operand_address_p): Declare variables.
4094 * regclass.c (n_occurrences): New static function.
4095 * reload.c (n_occurrences): Delete function.
4096 (find_reloads): Use extract_insn.
4097 * reload.h (n_occurrences): Delete declaration.
4099 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
4101 * reload1.c (reload_as_needed): Fix test for when to call
4102 update_eliminable_offsets.
4104 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4106 Fix consistency problems with reg_equiv_{mem,address};
4107 Improve reload inheritance;
4109 * reload.c (reload_out_reg): New variable.
4110 (loc_mentioned_in_p, remove_address_replacements): New functions.
4111 (remove_replacements): Deleted.
4112 (push_reload): Set reload_out_reg[i].
4113 When merging, also set reload_{in,out}_reg[i], and remove
4114 duplicate address reloads.
4115 (combine_reloads): Copy reload_out_reg[i].
4116 (find_reloads): Do make_memloc substitution also when
4117 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
4119 Include *recog_operand_loc in commutativity operand changes.
4120 Generate optional output reloads.
4121 Delete reference to n_memlocs. Don't set *recog_operand_loc before
4122 processing operands. Call make_memloc in reg_equiv_address code.
4123 Set *recog_operand_loc only after processing operands, and only
4124 if replace is true. Return a value.
4125 When changing address reload types for operands that didn't get
4126 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
4127 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
4128 Don't emit USEs for pseudo SUBREGs when not replacing.
4129 (find_reloads_address): Do make_memloc substitution also when
4130 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
4132 (find_reloads_toplev): Likewise.
4133 Call make_memloc in reg_equiv_address code.
4134 (debug_reload_to_stream): Add code to output reload_out_reg.
4135 (make_memloc): Delete local variable i, ifdefed out code, and
4136 references to memlocs and n_memlocs.
4137 (memlocs, n_memlocs): Delete.
4138 (push_secondary_reload): Clear reload_out_reg.
4139 (find_reloads_address_1): Provide memrefloc argument to all calls
4140 to find_reloads_address.
4141 In AUTO_INC code, handle non-directly addressable equivalences properly.
4142 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
4143 (find_reloads): Add return type.
4144 (remove_address_replacements, deallocate_reload_reg): Declare.
4145 * reload1.c (num_not_at_initial_offset): No longer static.
4146 (delete_address_reloads, delete_address_reloads_1): Likewise.
4147 (deallocate_reload_reg): New function.
4148 (spill_reg_stored_to): New array.
4149 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
4150 (eliminate_regs_in_insn): Move assignments of previous_offset and
4151 max_offset fields, and recalculation of num_not_at_initial_offset
4152 into new static function:
4153 (update_eliminable_offsets) .
4154 (reload_as_needed): Call update_eliminable_offsetss after calling
4156 Call forget_old_reloads_1 with contents of reloaded auto_inc
4157 expressions if the actual addressing can't be changed to match the
4159 (choose_reload_regs): For inheritance, replace
4160 reload_reg_free_before_p test with reload_reg_used_at_all test, and
4161 remove stand-alone reload_reg_used_at_all test.
4162 Use reload_out_reg to determine which reload regs have output reloads.
4163 Treat reload_override_in more similar to inherited reloads.
4164 Handle (subreg (reg... for inheritance.
4165 For flag_expensive_optimizations, add an extra pass to remove
4166 unnecessary reloads from known working inheritance.
4167 Delete obsolete code for pseudos replaced with MEMs.
4168 Handle inheritance from auto_inc expressions.
4169 (emit_reload_insns): If reload_in is a MEM, set OLD to
4171 Don't reload directly from oldequiv; if it's a pseudo with a
4172 stack slot, use reload_in[j].
4173 Check that reload_in_reg[j] is a MEM before replacing reload_in
4174 from reg_reloaded_contents.
4175 Include non-spill registers in reload inheritance processing.
4176 Also try to use reload_out_reg to set spill_reg_store /
4177 reg_last_reload_reg.
4178 In code to set new_spill_reg_store, use single_set to find out if
4179 there is a single set.
4180 Add code that allows to delete optional output reloads.
4181 Add code to allow deletion of output reloads that use no spill reg.
4182 At the end, set reload_override_in to oldequiv.
4183 Also call delete_output_reload if reload_out_reg is equal to old
4185 Add code to call delete_output_reload for stores with no matching load.
4186 Set / use spill_reg_stored_to.
4187 Handle case where secondary output reload uses a temporary, but
4188 actual store isn't found.
4189 When looking for a store of a value not loaded in order to call
4190 delete_output_reload, count_occurences should return 0 for no
4191 loads; but discount inherited input reloadill_reg_stored_to.
4192 Do checks for extra uses of REG. Changed all
4194 Use delete_address_reloads.
4195 (reload): Take return value of find_reloads into account.
4196 If a no-op set needs more than one reload, delete it.
4197 (reload_reg_free_before_p): RELOAD_FOR_INPUT
4198 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
4199 for the same operand.
4200 (clear_reload_reg_in_use): Check for other reloads that keep a
4202 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
4203 RELOAD_FOR_OPADDR_ADDR.
4204 Take into account when an address address reload is only needed
4205 for the address reload we are considering.
4206 (count_occurrences): Use rtx_equal_p for MEMs.
4207 (inc_for_reload): Return instruction that stores into RELOADREG.
4208 New argument two, IN, and rtx. Changed all callers.
4209 (calculate_needs_all_insns, reload_as_needed):
4210 Don't clear after_call for a CLOBBER.
4211 Keep track of how many hard registers need to be copied from
4212 after_call, and don't clear after_call before we have seen
4213 that much copies, or we see a different instruction.
4215 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
4217 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
4218 after reload has completed.
4220 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
4222 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
4223 a macro name and the next token with a single blank if that whitespace
4224 is in a macro buffer and the next token is not '('.
4226 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
4228 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
4230 (skip_if_group): Ditto.
4231 (skip_to_end_of_comment): Ditto.
4233 (discard_comments): Ditto.
4234 (change_newlines): Ditto.
4236 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
4238 * c-lex.c (yylex): Fix unaligned access of wchar_t.
4240 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
4242 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
4243 (TARGET_OPTIONS): Add --help documentation.
4245 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4247 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
4249 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
4251 * fixinc/* Moved in from ../contrib directory in preparation
4252 for integrating it into the normal build process. In particular,
4253 fixinc/Makefile.in must be config-ed into the build directory
4254 as fixinc/Makefile. Proposed patches to ./Makefile.in and
4255 ./configure.in will be "in the mail" momentarily.
4257 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
4259 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
4260 accidently walk into the free list. Comment how that can happen.
4261 (invalidate): Fix indentation.
4263 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4264 Jeffrey A Law (law@cygnus.com)
4266 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
4267 reload. Never perform rescans of the insn chain after reload.
4268 (propagate_block): Do not delete insn or create new autoinc addressing
4271 * jump.c (jump_optimize): Unconditionally use the code that was
4272 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
4273 * reload1.c (reload): When reloading is finished, delete all
4274 REG_DEAD and REG_UNUSED notes.
4275 (emit_reload_insns): Delete all code that was conditional on
4276 PRESERVE_DEATH_INFO_REGNO_P.
4277 (no_longer_dead_regs): Delete variable.
4278 (reload_cse_delete_death_notes): Delete function.
4279 (reload_cse_no_longer_dead): Delete function.
4280 (reload_cse_regs_1): Delete all code to handle deletion of death
4282 (reload_cse_noop_set_p): Likewise.
4283 (reload_cse_simplify_set): Likewise.
4284 (reload_cse_simplify_operands): Likewise.
4285 (reload_cse_move2add): Likewise.
4286 * reorg.c (used_spill_regs): Delete declaration.
4287 (max_label_num_after_reload): Delete declaration.
4288 (find_dead_or_set_registers): Don't assume that spill regs are
4289 dead at a CODE_LABEL.
4290 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
4292 * sched.c (sched_analyze_insn): Likewise.
4293 (update_flow_info): Likewise.
4294 * haifa-sched.c (sched_analyze_insn): Likewise.
4295 (update_flow_info): Likewise.
4296 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
4297 * toplev.c (max_label_num_after_reload): Delete variable.
4298 (rest_of_compilation): Don't set max_label_num_after_reload.
4299 Call life_analysis after reload_cse_regs if optimizing.
4300 * config/gmicro/gmicro.h: Delete comment referring to
4301 PRESERVE_DEATH_INFO_REGNO_P.
4302 * config/i386/i386.h: Likewise.
4303 * config/m88k/m88k.h: Likewise.
4304 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
4305 * config/sh/sh.h: Likewise.
4307 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
4309 * loop.c (strength_reduce): Restore marking bct_p as
4311 * rs6000.c (optimization_options): Change #ifdef HAIFA to
4312 HAVE_decrement_and_branch_on_count.
4313 (small_data_operand): Remove TARGET_ELF condition for marking
4314 parameters ATTRIBUTE_UNUSED.
4316 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
4318 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
4319 (SELECT_SECTION): Resync with svr4.h.
4321 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
4323 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
4326 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
4328 * c-pragma.c (handle_pragma_token): Test for null tree before
4329 dereferencing TREE_CODE.
4331 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4333 * config/c4x/c4x.c: Convert to use GEN_INT.
4334 (c4x_parallel_process): Rework to handle new repeat loop structure.
4336 * config/c4x/c4x.md: Convert to use GEN_INT.
4337 (rptb_end): Convert to use GE test. Replace uses with clobbers.
4338 (decrement_and_branch_on_count): Likewise.
4340 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
4341 loop.c has the desired functionality.
4342 (rc_reg_operand): New prototype.
4344 * config/c4x/t-c4x: Can now build all front ends.
4346 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
4348 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
4350 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
4352 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
4353 * config/t-rtems: Do not install assert.h -- use newlib's.
4355 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4357 * combine.c (combine_instructions): When finished, call init_recog.
4358 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
4360 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
4362 * toplev.c: If flag_syntax_only, don't open or write assembler file.
4364 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4366 * cppalloc.c (memory_full): Mark function prototype with
4369 * demangle.h (collect_exit): Likewise.
4371 * fix-header.c (v_fatal, fatal): Likewise.
4373 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
4376 * gcov.c (print_usage): Likewise.
4378 * genattr.c (fatal, fancy_abort): Likewise.
4380 * genattrtab.c (fatal, fancy_abort): Likewise.
4382 * gencodes.c (fatal, fancy_abort): Likewise.
4384 * genconfig.c (fatal, fancy_abort): Likewise.
4386 * genemit.c (fatal, fancy_abort): Likewise.
4388 * genextract.c (fatal, fancy_abort): Likewise.
4390 * genflags.c (fatal, fancy_abort): Likewise.
4392 * genopinit.c (fatal, fancy_abort): Likewise.
4394 * genoutput.c (fatal, fancy_abort): Likewise.
4396 * genpeep.c (fatal, fancy_abort): Likewise.
4398 * genrecog.c (fatal, fancy_abort): Likewise.
4400 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
4401 __sjpopnthrow, __throw): Likewise.
4403 * objc/objc-act.c (objc_fatal): Likewise.
4405 * protoize.c (usage, aux_info_corrupted,
4406 declare_source_confusing): Likewise.
4408 * rtl.c (dump_and_abort): Likewise.
4410 * rtl.h (sets_cc0_p): Likewise.
4412 * toplev.c (float_signal, pipe_closed): Likewise.
4414 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4416 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
4417 when generating the decision tree for the general case.
4419 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
4420 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
4422 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4424 * Makefile.in (sched.o): Depend on recog.h.
4426 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
4427 (unsigned) when comparing against one.
4428 (find_base_value): Likewise.
4429 (record_base_value): Cast variable `regno' to (unsigned) when
4430 comparing against one. Cast the result of REGNO() macro to
4431 (unsigned) when comparing against one.
4432 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
4434 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
4435 variable where an unsigned index is needed.
4437 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
4438 before comparing against one.
4440 * collect2.c: Add prototypes for functions `error', `fatal' and
4441 `fatal_perror'. Make these functions take variable arguments
4442 instead of faking it with a fixed number of args.
4443 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
4446 * combine.c (can_combine_p): Mark parameter `pred' with
4448 (find_split_point): Cast variable `src' to (unsigned
4449 HOST_WIDE_INT) when comparing against one.
4450 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
4451 (simplify_logical): Likewise.
4452 (force_to_mode): Cast result of INTVAL() macro to (unsigned
4453 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
4454 HOST_WIDE_INT) in shift.
4455 (simplify_and_const_int): Cast result of INTVAL() macro to
4456 `unsigned HOST_WIDE_INT' when comparing against one.
4457 (merge_outer_ops): Cast variable const0 to `unsigned
4458 HOST_WIDE_INT' when comparing against the result of
4459 GET_MODE_MASK() macro.
4460 (simplify_comparison): Likewise for variable `c0'. Cast variable
4461 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
4462 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
4463 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
4464 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
4465 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
4466 comparing against one.
4467 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
4469 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
4470 macro to `unsigned HOST_WIDE_INT' when comparing against one.
4471 (output_block_move): Cast `sizeof' expression to (int) when
4472 comparing against one.
4473 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
4475 (save_restore_insns): Cast `base_offset' to `long' to match format
4476 specifier in fprintf.
4478 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
4479 to `enum machine_mode'.
4481 * flow.c (life_analysis_1): Remove unused variable `insn'.
4483 * gcc.c (translate_options): Move variables `j' and `k' into the
4484 scope in which they are used. Change their types to `size_t'.
4485 (set_spec): Cast the argument of ctype macro to `unsigned char'.
4486 (read_specs): Likewise.
4487 (process_command): Cast `sizeof' to (int) when comparing against one.
4488 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
4489 (handle_braces): Cast both sides of `==' expression to `long' to
4490 ensure sign matching.
4491 (main): Cast variable `i' to `int' when comparing against one.
4493 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
4494 int to size_t. Cast variable `i' to size_t when comparing against
4497 * genattrtab.c (convert_set_attr_alternative): Remove unused
4498 parameter `insn_code'. All callers changed.
4499 (convert_set_attr): Likewise.
4501 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
4502 size_t when comparing against one. Likewise for variable `len'.
4504 * global.c (global_alloc): Cast variable `max_regno' to size_t
4505 when comparing against one. Likewise for variable `max_allocno'.
4507 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
4509 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
4510 `set' with ATTRIBUTE_UNUSED.
4511 (find_free_reg): Cast `sizeof' expression to (int) when comparing
4514 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
4515 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
4516 (get_condition): Cast variable `const_val' to `unsigned
4517 HOST_WIDE_INT' when comparing against one. Cast unsigned
4518 expression to HOST_WIDE_INT when comparing against one.
4519 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
4520 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
4521 `unsigned' when comparing against one.
4523 * protoize.c (is_id_char): Change type of parameter `ch' to
4525 (munge_compile_params): Cast argument of ctype macro to (const
4527 (process_aux_info_file): Cast variable `aux_info_size' to int when
4528 comparing against one.
4529 (forward_to_next_token_char): Cast argument of ctype macro to
4530 `const unsigned char'.
4531 (edit_formals_lists): Likewise.
4532 (find_rightmost_formals_list): Likewise.
4533 (add_local_decl): Likewise.
4534 (add_global_decls): Likewise.
4535 (edit_fn_definition): Likewise.
4536 (do_cleaning): Likewise.
4537 (scan_for_missed_items): Likewise.
4538 (edit_file): Cast variable `orig_size' to (int) when comparing
4540 (main): Cast argument of ctype macro to `const unsigned char'.
4542 * recog.c (const_int_operand): Mark parameter `mode' with
4545 * regclass.c (record_reg_classes): Change type of variable `c' to
4546 `unsigned char'. Cast `char' array index to `unsigned char'.
4548 * reload.c (push_secondary_reload): Cast argument to
4549 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
4551 * reload1.c (calculate_needs): Cast `char' array index to
4553 (set_label_offsets): Change type of variable `i' to unsigned int.
4554 Cast result of XVECLEN() macro to unsigned when comparing against
4556 (mark_not_eliminable): Change type of variable `i' to unsigned.
4557 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
4558 when comparing against one.
4559 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
4560 comparing against one.
4561 (choose_reload_regs): Hide unused label `fail'.
4562 (reload_cse_simplify_operands): Cast `char' array index to
4564 (reload_combine_note_store): Mark parameter `set' with
4565 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
4567 (reload_cse_move2add): Remove unused variable `src2'.
4569 * sched.c: Include recog.h.
4570 (sched_note_set): Remove unused parameter `b'. All callers
4572 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
4573 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
4574 when comparing against one.
4576 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
4577 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
4578 comparing against one.
4580 * unroll.c (precondition_loop_p): Remove unused parameter
4581 `loop_end'. All callers changed.
4583 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4585 * reload1.c (maybe_fix_stack_asms): New static function.
4588 * reload.h (compute_use_by_pseudos): Declare.
4590 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
4591 (something_needs_reloads): Delete variable.
4592 (finish_spills): New function.
4593 (compute_use_by_pseudos): New function.
4595 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
4596 Use the reload_insn_chain instead of walking the rtl directly.
4598 (reload): Allocate and free spilled_pseudos.
4599 Ensure that all calls of spill_hard_reg are followed by a call to
4601 Use the insns_need_reload list instead of something_needs_reloads
4602 to find out if reload_as_needed must be called.
4603 Clear unused_insn_chains at the end.
4605 (calculate_needs_all_insns): Lose FIRST parameter. All callers
4607 Delete code to keep track of current basic block.
4608 Walk reload_insn_chain instead of the rtl structure. Build the
4609 insns_need_reload chain.
4610 Remember which insns need reloading/elimination by setting the
4611 appropriate fields in struct insn_chain, not by putting modes on the
4614 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
4615 arg INSN. All callers changed.
4616 Delete declaration of struct needs.
4617 Don't set something_needs_reloads.
4618 Record insn needs in the CHAIN argument.
4620 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
4622 (reload_as_needed): Lose FIRST arg. All callers changed.
4623 Walk the reload_insn_chain instead of the rtx structure.
4624 Delete code to keep track of current basic block.
4625 Rename one of the NEXT variables to OLD_NEXT.
4627 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
4629 (choose_reload_regs): Likewise.
4631 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
4634 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
4635 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
4636 (hard_regs_live, hard_regs_need_restore): Delete variables.
4637 (n_regs_saved): Now static.
4638 (referenced_regs, this_insn_sets): New variables.
4640 (setup_save_areas): Restructure the code a bit.
4642 (restore_referenced_regs): Delete function.
4643 (mark_referenced_regs): New function, similar to the old
4644 restore_referenced_regs, but mark registers in referenced_regs.
4646 (clear_reg_live): Delete function.
4647 (mark_set_regs): Renamed from set_reg_live. All callers changed.
4648 Only mark registers in this_insn_sets.
4650 (save_call_clobbered_regs): Rework this function to walk the
4651 reload_insn_chain instead of using the list of instructions directly.
4652 Delete code to keep track of register lives, compute live regs on the
4653 fly from information in the chain.
4654 Instead of calling restore_referenced_regs, use mark_referenced_regs,
4655 then walk the set it computes and call insert_restore as appropriate.
4657 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
4659 Restructure the code a bit. Test hard_regs_saved instead of
4660 hard_regs_need_restore.
4661 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
4662 args. All callers changed.
4663 Restructure the code a bit. Use TO_SAVE to determine which regs to
4664 save instead of more complicated test.
4665 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
4667 Create a new insn_chain structure for the new insn and place it
4670 * rtl.texi: Update documentation to reflect that reload no longer
4671 puts modes on the insns.
4673 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4675 * function.c (purge_addressof_1): Force the first argument of a
4676 CALL insn to memory.
4678 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
4680 * rtl.h: Delete duplicate prototypes. Add some missing
4682 * rtlanal.c: (for_each_rtx): Formatting tweak.
4684 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4686 * real.c (emdnorm and etoasc): Disable round to even for c4x target
4687 to be compatible with TI compiler.
4689 * Makefile.in (USER_H): Add va-c4x.h to definition.
4691 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
4693 * function.c (purge_addressof_1): Fix typo in inequality: do
4694 bitfield optimization for equal mode sizes.
4695 * expmed.c (store_bit_field): Don't take subregs of subregs in
4696 the movstrict case. Tidy a potential problem in the multi-word case.
4697 (extract_bit_field): Likewise.
4699 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4701 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
4703 Compute max_uid_for_flow by calling get_max_uid after the scan.
4704 (find_basic_blocks_1): Don't emit NOPs here.
4706 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
4708 * alias.c (base_alias_check): Accept new args for the modes of the
4709 two references. Use them to determine if an AND can overlap. Update
4711 (memrefs_conflict_p): Assume sizes are aligned, and uses them
4712 to determine if an AND can overlap.
4714 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
4716 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
4717 check. Add comment to document problems with TARGET_SUN_FPA version
4719 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
4721 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4723 * Makefile.in (gencheck.o): Depend on gansidecl.h.
4725 * c-common.c (print_char_table): Add missing initializers.
4726 (scan_char_table): Likewise.
4727 (time_char_table): Likewise.
4729 * c-decl.c (c_decode_option): Mark parameter `argc' with
4731 (declare_parm_level): Mark parameter `definition_flag' with
4734 * c-lex.c (readescape): Use `(unsigned)1' in shift.
4735 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
4738 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
4740 (emit_call_1): Mark parameters `fndecl' and `funtype' with
4742 (expand_call): Cast result of MIN() to (unsigned int) when
4743 comparing against an unsigned value.
4745 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
4747 (make_definition): Remove unused parameter `op'. All callers
4749 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
4750 comparing against the result of pointer arithmetic.
4752 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
4753 when comparing against one.
4755 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
4756 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
4758 (output_die): Move variable `i' into the scope in which it is
4759 used. Change its type to `unsigned'.
4760 (output_die): Cast the result of `strlen' to (int) when passing it
4761 to ASM_OUTPUT_ASCII().
4762 (output_pubnames): Likewise.
4763 (output_line_info): Likewise.
4765 * emit-rtl.c (global_rtl): Add missing initializers.
4767 * explow.c (promote_mode): Mark parameter `for_call' with
4770 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
4771 `unsigned HOST_WIDE_INT' when comparing against one.
4772 (synth_mult): Change type of variable `cost' to int.
4773 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
4775 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
4776 when comparing against one.
4777 (get_inner_reference): Change variable `alignment' to unsigned.
4778 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
4779 int) when comparing against one.
4780 (expand_builtin_setjmp): Change type of variable `i' to size_t.
4782 * fold-const.c (div_and_round_double): Cast BASE to
4783 (HOST_WIDE_INT) when comparing against one.
4785 * gencheck.c: Include gansidecl.h.
4786 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
4788 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
4789 `tcode' with ATTRIBUTE_UNUSED.
4791 * real.c (edivm): Cast constant value to (unsigned long) in
4792 expression compared against an unsigned value.
4794 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
4795 comparing against one.
4796 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
4797 when comparing against one.
4799 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
4800 (unsigned int) when comparing against one. Likewise for
4802 (smallest_mode_for_size): Likewise.
4803 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
4804 (restore_storage_status): Likewise.
4806 * toplev.c (debug_args): Add missing initializer.
4807 (f_options): Spelling correction. Add missing initializers.
4808 (documented_lang_options): Likewise.
4809 (debug_end_source_file): Mark parameter `lineno' with
4812 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
4813 `decl' and `type' with ATTRIBUTE_UNUSED.
4815 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
4816 when comparing against one.
4817 (assemble_variable): Mark parameter `top_level' with
4819 (assemble_external_libcall): Mark parameter `fun' with
4821 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
4824 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
4826 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
4827 Replace use of r5 with use of r19.
4829 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
4831 * config/v850/v850.c (compute_register_save_size): Allow for the
4832 fact that helper functions save all registers, not just those used
4835 Replace constant 31 with macro LINK_POINTER_REGNUM.
4837 * config/v850/v850.md: Use 'indirect_operand' rather than
4838 'memory_operand' for bit test/set/clear patterns.
4840 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
4842 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
4843 * varasm.c (assemble_start_function et al): Don't call
4844 ASM_GLOBALIZE_LABEL for weak symbols.
4846 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
4848 * cse.c (equiv_constant): Check for NULL return from
4849 gen_lowpart_if_possible().
4851 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
4853 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
4855 * collect2.c (main): Pass -EL/-EB through to the compiler.
4857 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4859 * expr.c (push_block): Handle targets where the stack grows
4860 to higher addresses, but args grow to lower addresses and
4861 ACCUMULATE_OUTGOING_ARGS is not defined.
4863 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
4865 * config/v850/v850.c (print_operand): Extend meaning
4866 of 'c' operands to support .vtinherit.
4868 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4870 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
4871 Added ATTRIBUTE_UNUSED to unused function arguments.
4872 (rc_reg_operand): New predicate.
4873 (c4x_rptb_insert): New function.
4874 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
4875 (c4x_optimization_options): New function.
4877 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
4878 (decrement_and_branch_on_count): New pattern.
4879 (rptb_top): Modified pattern to work with BCT optimization.
4881 * config/c4x/c4x.h (RC_REG): New register class.
4882 (rc_reg_operand): Define prototype.
4883 (IS_RC_REG): New macro.
4884 (IS_RC_OR_PSEUDO_REG): New macro.
4885 (IS_RC_OR_PSEUDO_REGNO): New macro.
4886 (OPTIMIZATION_OPTIONS): Define.
4888 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
4890 * collect2.c (extract_init_priority): No priority is 65535.
4892 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4894 * Makefile.in (build_tooldir): new variable, same as old
4895 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
4896 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
4897 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
4899 * configure.in (gxx_include_dir): set default based on unlibsubdir
4900 * Makefile.in (tooldir): ditto
4901 (cccp.o, cpplib.o): use unlibsubdir implicitly through
4902 gxx_include_dir, includedir and tooldir
4903 (protoize.o, unprotoize.o): ditto
4905 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
4907 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
4909 * config/arm/thumb.c (thumb_override_options): Add warning about
4910 PIC code not being supported just yet.
4912 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
4914 * flow.c: Update comment.
4915 (notice_stack_pointer_modification): New static function.
4916 (record_volatile_insns): Use it.
4917 (mark_regs_live_at_end): Mark the stack pointer as alive
4918 at the end of the function if current_function_sp_is_unchanging
4920 (life_analysis_1): Set current_function_sp_is_unchanging.
4921 * function.c: Define it.
4922 (init_function_start): Initialize it.
4923 * output.h: Declare it.
4924 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
4925 the stack pointer as alive at the end of the function if
4926 current_function_sp_is_unchanging is set.
4927 * i386.c (ix86_epilogue): Optimize the restoring
4928 of the stack pointer.
4930 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
4932 * version.c: Bump for snapshot.
4934 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
4936 * c-pragma.c (handle_pragma_token): If passed a token instead
4937 of a tree, use that as the pack value.
4939 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
4941 * flow.c (find_basic_blocks_1): Fix prototype.
4943 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
4945 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
4946 (struct tree_decl): New fields no_check_memory_usage.
4947 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
4948 (init_attributes): Register it as a new attribute.
4949 (decl_attributes): Set flags on functions given that attribute.
4950 * c-decl.c (duplicate_decls): Merge new attribute.
4951 * expr.h (current_function_check_memory_usage): Declare new var.
4952 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
4953 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
4954 current_function_check_memory_usage.
4955 * function.h: Add field to struct function.
4956 * function.c (current_function_check_memory_usage): Define it.
4957 (push_function_context_to, pop_function_context_from): Save and
4959 (expand_function_start): Set it, based on global flag and function
4962 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
4963 check non-automatic variables, to permit detection of writes to
4964 read-only locations in embedded systems without memory management.
4965 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
4966 when emitting chkr_set_right_libfunc call, even if the argument is
4967 BLKmode or variable-sized; don't abort.
4969 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
4970 symbols in Pmode, not VOIDmode.
4972 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4974 * cppexp.c: When forcing unsigned comparisons, cast both sides
4977 * cpphash.h: Move static declaration of hashtab[]...
4978 * cpphash.c: ...here.
4980 * cpplib.c: Cast difference of two pointers to size_t before
4981 comparing it to size_t. Cast signed to unsigned
4982 before comparing to size_t. (FIXME: struct argdata should use
4983 unsigned buffer sizes.)
4984 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
4985 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
4986 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
4987 size_t before comparison.
4989 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
4991 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
4992 (find_basic_blocks_1): Similarly.
4993 * output.h (find_basic_blocks): Fix prototype.
4994 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
4995 find_basic_blocks anymore.
4997 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
4999 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
5000 (sbitmap_free, sbitmap_vector_free): New macros.
5001 * output.h (rtl_dump_file): Declare.
5003 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
5005 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
5007 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5009 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
5011 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
5012 (divide): Remove unused variable `tmp'.
5013 (si_to_float): Cast numeric constant to (SItype) before comparing
5016 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
5018 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
5019 * gcc.c (add_preprocessor_option): Correct typo when allocating
5020 memory, sizeof() argument had one too many `*'.
5021 (add_assembler_option): Likewise.
5022 (add_linker_option): Likewise.
5023 * gcov.c (output_data): Likewise.
5024 * local-alloc.c (memref_used_between_p): Likewise.
5025 (update_equiv_regs): Likewise.
5026 * loop.c (strength_reduce): Likewise.
5027 * reg-stack.c (record_asm_reg_life): Likewise.
5028 (subst_asm_stack_reg): Likewise.
5029 * reorg.c (dbr_schedule): Likewise.
5031 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5033 * flow.c (life_analysis_1): Break out some functions.
5034 (find_basic_blocks_1): Likewise. Also move some variables out and
5036 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
5037 new static var nonlocal_label_list with it.
5038 (active_eh_region, nested_eh_region, label_value_list,
5039 nonlocal_label_list): New static variables.
5040 (make_edges, delete_unreachable_blocks, delete_block): New static
5041 functions, broken out of find_basic_blocks_1.
5042 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
5043 noop_move_p): New static functions, broken out of life_analysis_1.
5045 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
5047 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
5048 Take extra care for op0 now possibly being a subreg.
5049 (extract_bit_field): Likewise.
5050 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
5051 the reg to memory if there is no equal sized integral mode.
5052 * stor-layout.c (int_mode_for_mode): New function.
5053 * machmode.h: Prototype it.
5055 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
5057 * global.c (build_insn_chain): Verify no real insns exist past the
5058 end of the last basic block, then exit the loop.
5060 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5062 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
5064 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
5066 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
5068 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
5070 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
5072 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
5074 * flow.c (find_basic_blocks): Correctly determine when a call
5075 is within an exception region.
5077 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
5079 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
5081 * cpplib.h: Protect from multiple inclusions.
5082 * cpplib.c: Fix minor formatting problems.
5084 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
5086 * jump.c (jump_optimize): Revert accidental patch.
5088 * Makefile.in (cpplib.o): Use unlibsubdir.
5090 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
5092 * loop.c (get_condition): Allow combine when either compare is
5095 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
5097 * version.c: Bump for snapshot.
5099 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
5101 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
5102 (init_lex): Initialize ridpointers[RID_BYREF].
5103 * c-lex.h (enum rid): Add RID_BYREF.
5104 * c-parse.gperf: Add RID_BYREF as a type qualifier.
5105 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
5106 (encode_type_qualifiers): Similarly
5107 * c-gperf.h: Rebuilt.
5109 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
5111 * c-common.c (type_for_mode): Only return TItype nodes when
5112 HOST_BITS_PER_WIDE_INT is >= 64 bits.
5113 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
5114 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
5115 (init_decl_processing): Only create TItype nodes when
5116 HOST_BITS_PER_WIDE_INT is >= 64 bits.
5117 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
5118 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
5120 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5122 * stmt.c (n_occurrences): New static function.
5123 (expand_asm_operands): Verify that all constrains match in the
5124 number of alternatives.
5125 Verify that '+' or '=' are at the beginning of an output constraint.
5126 Don't allow '&' for input operands.
5127 Verify that '%' isn't written for the last operand.
5128 * reload.c (find_reloads): Abort if an asm is found with invalid
5129 constraints; all possible problems ought to be checked for earlier.
5131 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5133 * flags.h (flag_branch_on_count_reg): Always declare
5134 * toplev.c (flag_branch_on_count_reg): Likewise.
5135 * toplev.c: Fix typos.
5137 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
5140 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
5142 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
5144 (find_basic_blocks_1): Add a nop to the end of a basic block when
5145 a trailing call insn does not have abnormal control flow.
5146 * gcse.c (pre_transpout): New variable.
5147 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
5148 (compute_pre_transpout): Calculate it.
5149 (compute_pre_ppinout): Use it to eliminate impossible placements
5150 due to abnormal control flow through calls.
5151 (compute_pre_data): Call compute_pre_transpout.
5153 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5155 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
5157 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
5159 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
5160 and matching define_insns): Tack on a `use' of the table label, so
5161 flow analysis will recognize a tablejump.
5163 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
5165 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
5166 always end basic blocks for abnormal edge reasons.
5168 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
5170 * config/i386/i386.h: Remove definition of
5171 HANDLE_PRAGMA_PACK_PUSH_POP.
5173 * config/i386/go32.h: Add definition of
5174 HANDLE_PRAGMA_PACK_PUSH_POP.
5176 * config/i386/win32.h: Add definition of
5177 HANDLE_PRAGMA_PACK_PUSH_POP.
5179 * config/i386/cygwin32.h: Add definition of
5180 HANDLE_PRAGMA_PACK_PUSH_POP.
5182 * c-pragma.c (insert_pack_attributes): Do not insert
5183 attributes unless #pragma pack(push,<n>) is in effect.
5185 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
5187 * expr.c (emit_group_store): Handle a PARALLEL destination.
5189 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
5191 * gcse.c (pre_insert_insn): When a call ends a bb, insert
5192 the new insns before the argument regs are loaded.
5194 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5196 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
5197 (c-parse.gperf): Update comments describing invocation flags.
5198 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
5200 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
5202 * reload1.c (reload): Call free before clobbering the memory
5203 locations or constants pointers.
5205 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5207 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
5208 for efficiency by checking whether we need to modify the current
5209 stack permission at all.
5210 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
5211 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
5212 __enable_execute_stack libcall here too if
5213 TRANSFER_FROM_TRAMPOLINE is defined.
5214 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
5217 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
5219 * Makefile.in (DRIVER_DEFINES): Remove last change.
5221 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5223 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
5224 insns we're going to copy.
5225 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
5227 * loop.c (count_one_set): Add prototype.
5229 * caller-save.c (restore_referenced_regs): Lose mode argument.
5230 (insert_save): Lose mode argument.
5231 (insert_restore): Lose mode argument.
5232 (insert_one_insn): Lose mode argument.
5233 (save_call_clobbered_regs): Lose mode argument.
5234 (setup_save_areas): Take no argument and return void. All callers
5236 Don't verify validity of memory addresses.
5237 * reload.h (setup_save_ares): Adjust prototype.
5238 (save_call_clobbered_regs): Likewise.
5239 * reload1.c (delete_caller_save_insns): New function.
5240 (caller_save_spill_class): Delete variable.
5241 (caller_save_group_size): Delete variable.
5242 (reload): Call setup_save_areas and save_call_clobbered_regs
5243 in the main loop, before calling calculate_needs_all_insns.
5244 Don't call save_call_clobbered_regs after the loop.
5245 Call delete_caller_save_insns at the end of an iteration if
5247 Delete code to manage caller_save_spill_class.
5248 Emit the final note before setting reload_first_uid.
5249 Simplify test that determines whether reload_as_needed gets run.
5250 (calculate_needs): Delete code to manage caller_save_spill_class.
5252 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
5254 * collect2.c (main): Initialize ld_file_name.
5256 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
5258 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
5259 check for flag_function_sections.
5261 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5263 * cse.c (insert_regs): Fix bug in Sep 24 change.
5265 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5267 * flags.h (flag_dump_unnumbered): Declare.
5268 * toplev.c (flag_dump_unnumbered): Don't declare.
5269 * print-rtl.c (flags.h): Include.
5270 (print_rtl_single): Add return value.
5271 * rtl.h (print_rtl_single): Update declaration.
5272 * flow.c (flag_dump_unnumbered): Don't declare.
5273 (print_rtl_with_bb): Use return value of print_rtl_single.
5275 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5277 * loop.c (count_one_set): New static function, broken out of
5279 (count_loop_regs_set): Call it.
5280 * global.c (mark_reg_store): Handle clobbers here by not calling
5282 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
5283 is in fact a clobber.
5284 * integrate.c (process_reg_param): New function, broken out of
5285 expand_inline_function.
5286 (expand_inline_function): Call it.
5289 * i386.md (addsidi3_1): Delete unused variable temp.
5290 (addsidi3_2): Likewise.
5291 (clstrstrsi): Delete unused variable addr1.
5293 * rtl.h: Don't declare any functions also declared in recog.h.
5295 * Makefile.in (stupid.o): Update dependencies.
5296 (global.o): Likewise.
5298 * global.c: Include reload.h
5299 (reg_becomes_live): New function.
5300 (reg_dies): New function.
5301 (build_insn_chain): New function.
5302 (global_alloc): Call build_insn_chain before calling reload.
5304 * reload.h (struct needs): New structure definition.
5305 (struct insn_chain): Likewise.
5306 (reload_insn_chain): Declare variable.
5307 (new_insn_chain): Declare function.
5310 * reload1.c (reload_startobj): New variable.
5311 (reload_insn_chain): New variable.
5312 (unused_insn_chains): New variable.
5313 (new_insn_chain): New function.
5314 (init_reload): Initialize reload_startobj, not reload_firstobj.
5315 (reload): Initialize reload_firstobj.
5316 Before returning, free everything on the reload_obstack.
5318 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
5319 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
5320 current_chain): New variables.
5321 (reg_where_born): Delete variable.
5322 (REG_WHERE_BORN): New macro.
5323 (find_clobbered_regs): New function.
5324 (stupid_life_analysis): Don't allocate/free reg_where_born.
5325 Allocate and free reg_where_born_exact, reg_where_born_clobber,
5326 reg_where_dead_chain.
5327 Use REG_WHERE_BORN instead of reg_where_born.
5328 While processing the insns, build the reload_insn_chain with
5329 information about register lifetimes.
5330 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
5331 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
5333 Compute and information about birth and death of pseudo registers in
5334 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
5335 Delete code to set elements of reg_where_born.
5337 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5339 * tree.def (GOTO_EXPR): Modified documentation.
5340 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
5343 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
5345 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
5346 loop_final_value, loop_comparison_code): No longer static.
5347 (unroll_loop): Delete loop_start_value update.
5348 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
5349 loop_final_value, loop_comparison_code): Extern.
5350 (loop_start_value): Delete extern.
5351 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
5352 loop_comparison_value, loop_comparison_code): Delete.
5353 (loop_optimize): Remove initialization for deleted variables.
5354 (strength_reduce): Delete analyze_loop_iterations call. Only call
5355 insert_bct if flag_branch_count_on_reg set.
5356 (analyze_loop_iterations): Delete.
5357 (insert_bct): Remove iteration count calculation. Move checks for
5358 viable BCT optimization to here. Obtain iteration count from
5359 loop_iterations and correct for unrolling. Check for enough
5360 iteration to be beneficial. Comment out runtime iteration count
5362 (insert_bct): Print iteration count in dump file. Remove
5363 loop_var_mode and use word_mode directly.
5365 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
5366 * rs6000.c (rs6000_override_options): Use it.
5367 (optimization_options): Enable use of flag_branch_on_count_reg.
5368 * rs6000.md (define_function_unit): Describe 604e.
5370 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5372 * loop.c (move_movables): Corrected threshold calculation for
5373 moved_once registers.
5375 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5377 * loop.c (combine_givs_p): Fix test for identical givs.
5379 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
5381 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
5382 call abort if the function is already defined.
5384 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
5386 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
5387 truncation is not a no-op.
5389 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
5391 * version.c: Bump for snapshot.
5393 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
5395 * version.c: Bump for snapshot.
5397 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
5399 * expmed.c (expand_divmod): Don't widen for computing remainder
5400 if we seem to have a divmod pattern for needed mode.
5402 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5404 * cpplib.c (macroexpand): Correct off-by-one error in handling
5407 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
5409 * combine.c (expand_field_assignment): Don't do bitwise operations
5410 on MODE_FLOAT; pun to MODE_INT if possible.
5412 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
5413 scott snyder <snyder@d0sgif.fnal.gov>
5415 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
5416 linker. Recognize mangled names in quotes.
5418 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5420 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
5421 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
5422 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
5423 (lshrsi3_extend, lshrsi3_extend2): Ditto.
5425 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5427 * function.c (purge_addressof_1): If trying to take a sub-word
5428 integral piece of a floating point mode, put it on the stack.
5430 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
5432 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
5434 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
5436 * PROJECTS: Remove template friends.
5438 * collect2.c (sort_ids): Remove unused variable.
5440 * tm.texi (MATH_LIBRARY): Document.
5441 (NEED_MATH_LIBRARY): Remove.
5443 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
5444 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
5446 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
5448 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
5449 last_end to 0x7fffffff.
5451 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5453 * function.c (purge_addressof_1): Do not perform endianness
5454 corrections on bitpos, who we call will do it for us.
5456 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
5458 * h8300.c (WORD_REG_USED): Fix typo.
5459 (initial_offset): Use WORD_REG_USED.
5461 * h8300.c (handle_pragma): Fix typo.
5463 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5465 * caller-save.c (insert_save_restore): Break this function up
5466 into new functions insert_restore, insert_save and insert_one_insn.
5467 All callers changed.
5468 (insert_restore): New function, mostly broken out of
5469 insert_save_restore.
5470 (insert_save): Likewise.
5471 (insert_one_insn): Likewise.
5472 (restore_referenced_regs): New argument BLOCK. All callers changed.
5473 (save_call_clobbered_regs): Don't keep track of basic block boundaries
5474 in this function, do it in insert_one_insn instead.
5476 * reload1.c (reload): Break out some more pieces into separate
5478 (dump_needs): New function, broken out of reload.
5479 (set_initial_elim_offsets): Likewise.
5480 (init_elim_table): Likewise.
5481 (update_eliminables): Likewise.
5483 * global.c (global_alloc): Delete code to manage the scratch_list.
5484 * local-alloc.c (qty_scratch_rtx): Delete.
5485 (scratch_block): Delete.
5486 (scratch_list): Delete.
5487 (scratch_list_length): Delete.
5488 (scratch_index): Delete.
5489 (alloc_qty_for_scratch): Delete.
5490 (local-alloc): Update initialization of max_qty.
5491 Delete code to manage the scratch list.
5492 Delete code to allocate/initialize qty_scratch_rtx.
5493 (block_alloc): Don't allocate quantities for scratches.
5494 Delete code to manage the scratch list.
5495 * regs.h (scratch_list): Delete declaration.
5496 (scratch_block): Delete declaration.
5497 (scratch_list_length): Delete declaration.
5498 * reload1.c (reload): Delete code to manage the scratch list.
5499 (spill_hard_reg): Likewise.
5500 (mark_scratch_live): Delete.
5502 * recog.c (alter_subreg): Delete declaration.
5504 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
5506 * Makefile.in (cccp.o): Fix typo in last patch.
5508 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5510 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
5511 * config/sh/lib1funcs.asm (___set_fpscr): Add.
5513 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
5515 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
5516 NULL_RTX as an argument.
5518 * Makefile.in (unlibsubdir): Define.
5519 (DRIVER_DEFINES): Use unlibsubdir.
5520 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
5521 (stmp-fixinc): Similarly.
5523 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5525 * regmove.c (regmove_optimize): Add variable old_max_uid.
5526 At the end of the function, update basic_block_end.
5528 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5530 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
5531 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
5534 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
5536 * config/arm/arm.c: Improve interworking support.
5538 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5540 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
5541 copied from reload_out[r] .
5543 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
5545 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
5546 with more than three size ranges.
5548 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
5550 * rtl.c (mode_name): Add a null string at the end of the array.
5551 (mode_wider_mode): Change type to unsigned char.
5552 (mode_mask_array): New variable.
5553 (init_rtl): Update for mode_wider_mode type change.
5555 * rtl.h (mode_wider_mode): Change type to unsigned char.
5556 (mode_mask_array): Declare.
5557 (GET_MODE_MASK): Use mode_mask_array.
5559 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
5561 * calls.c (expand_call) : Encapsulate code into
5562 copy_blkmode_from_reg.
5563 * expr.c (copy_blkmode_from_reg): New function.
5564 * expr.h (copy_blkmode_from_reg): New function.
5565 * integrate.c (function_cannot_inline_p): We can inline
5567 (expand_inline_function): Use copy_blkmode_from_reg
5568 if needed. Avoid creating BLKmode REGs.
5569 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
5572 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
5574 * config/v850/v850.c: Add function prototypes.
5575 Add support for v850 special data areas.
5577 * config/v850/v850.h: Add support for v850 special data areas.
5579 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
5580 HANDLE_PRAGMA_PACK_PUSH_POP.
5581 (push_alignment): New function: Cache an alignment requested
5582 by a #pragma pack(push,<n>).
5583 (pop_alignment): New function: Pop an alignment from the
5585 (insert_pack_attributes): New function: Generate __packed__
5586 and __aligned__ attributes for new decls whilst a #pragma pack
5588 (add_weak): New function: Cache a #pragma weak directive.
5589 (handle_pragma_token): Document calling conventions. Add
5590 support for #pragma pack(push,<n>) and #pragma pack (pop).
5592 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
5593 are defined enable HANDLE_PRAGMA_PACK.
5594 Move 'struct weak_syms' here (from varasm.c).
5595 Add pragma states for push and pop pragmas.
5597 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
5600 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
5601 HANDLE_GENERIC_PRAGMAS.
5603 * varasm.c: Move definition of 'struct weak_syms' into
5605 (handle_pragma_weak): Deleted.
5607 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5609 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5611 * c-decl.c (start_function): Add invocation of
5612 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
5614 * tm.texi: Remove description of non-existant macro
5615 SET_DEFAULT_SECTION_NAME.
5617 (HANDLE_SYSV_PRAGMA): Document.
5618 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
5620 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
5622 * config.sub: Recognize i[34567]86-pc-udk as new target.
5623 * configure.in: Likewise.
5624 * config/i386/t-udk: New file.
5625 * config/i386/udk.h: New file.
5627 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
5629 * reorg.c (check_annul_list_true_false): Remove unused variables.
5630 (steal_delay_list_from_target): Add missing "used_annul" variable.
5631 (try_merge_delay_insns): Close out half formed comment.
5633 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5635 * cpplib.c (macroexpand): If arg->raw_before or
5636 arg->raw_after, remove any no-reexpansion escape at the
5637 beginning of the pasted token. Correct handling of whitespace
5638 markers and no-reexpand markers at the end if arg->raw_after.
5640 * toplev.c (documented_lang_options): Recognize -include,
5641 -imacros, -iwithprefix, -iwithprefixbefore.
5642 * cpplib.c (cpp_start_read): Process -imacros and -include
5643 switches at the same time and in command-line order, after
5644 initializing the dependency-output code. Emit properly nested
5645 #line directives for them. Emit a #line for the main file
5646 before processing these switches, and don't do it again
5649 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
5651 * function.c (purge_addressof_1): Use bitfield manipulation
5652 routines to handle mem mode < reg mode.
5654 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5656 * reorg.c (try_merge_delay_insns): Account for resources referenced
5657 in each instruction in INSN's delay list before trying to eliminate
5658 useless instructions. Similarly when looking at a trial insn's delay
5661 * reorg.c (check_annul_list_true_false): New function.
5662 (steal_delay_list_from_{target,fallthrough}): Call it and also
5663 refine tests for when we may annul if already filled a slot.
5664 (fill_slots_from_thread): Likewise.
5665 (delete_from_delay_slot): Return newly-created thread.
5666 (try_merge_delay_isns): Use its new return value.
5668 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
5670 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
5671 used to compute a giv or as some other non-counting use.
5673 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5675 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
5676 * local-alloc.c (find_free_reg): Use it.
5677 * global.c (find_reg): Likewise.
5678 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
5680 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
5681 * caller-save.c (init_caller_save): Use it.
5682 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
5684 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5686 * configure.in: Add --enable-cpplib option which uses cpplib
5687 for cpp, but doesn't link cpplib into cc1. Make help text
5688 capitalization consistent.
5689 * configure: Rebuilt.
5691 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
5693 * function.c (gen_mem_addressof): If the address REG is
5694 REG_USERVAR_P make the new REG be so also.
5695 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
5696 in an attempt to clarify slightly.
5698 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
5700 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
5701 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
5703 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
5705 * toplev.c: Fix last patch.
5707 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
5709 * loop.c (get_condition): Fix typo in May 9 change.
5711 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5713 * invoke.texi (-fexceptions): Merge 2 different descriptions.
5715 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5717 * toplev.c (documented_lang_options): Spelling corrections.
5719 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5721 * configure.in: new flags --with-ld and --with-as, equivalent
5722 to setting LD and AS environment variables. Test whether
5723 specified arguments are GNU commands, and report them with
5724 checking messages. Use the specified AS for configure
5727 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
5729 * gcc.c (find_a_file): when looking for `as' and `ld', return
5730 the DEFAULT program if it exists
5731 * collect2.c (main): use DEFAULT_LINKER if it exists
5733 * gcc.c (find_a_file): the test for existence of a full
5734 pathname was reversed
5736 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
5738 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
5739 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
5741 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
5743 * tree.h (TYPE_BINFO): Document.
5745 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
5747 * i386-coff.h (dbxcoff.h): Added.
5749 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
5751 * toplev.c: fix bad patch around flag_data_sections.
5753 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
5755 * reload1.c (reload): Use reload_address_index_reg_class and
5756 reload_address_base_reg_class when setting
5757 caller_save_spill_class. (Patch generated by Jim Wilson:
5760 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
5762 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
5763 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
5764 * expr.c (store_field): Add alias_set parameter. Set the
5765 MEM_ALIAS_SET accordingly, if the target is a MEM.
5766 (expand_assignment): Use it.
5767 (store_constructor_field): Pass 0.
5768 (expand_expr): Likewise.
5770 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
5772 * flags.h: Add flag_data_sections.
5773 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
5774 (compile_file): Error if flag_data_sections not supported.
5775 * varasm.c (assemble_variable): Handle flag_data_sections.
5776 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
5777 * config/mips/elf.h: Likewise.
5778 * config/mips/elf64.h: Likewise.
5779 * invoke.texi: Describe -fdata-sections.
5781 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
5783 * invoke.texi (-ffloat-store): Clarify that this option
5784 does not affect intermediate results -- only variables.
5786 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
5788 * cpp.texi: Update for Fortran usage from Craig.
5790 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5792 * rs6000.c (function_arg_boundary): Revert accidental change on
5795 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
5797 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
5798 (output_mi_thunk): Declare.
5800 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
5801 (output_function_profiler): Use r12 for temp, instead of r11 so
5802 that we preserve the static chain register.
5804 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
5806 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
5808 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5810 * sh.c (gen_shl_sext): Fix case 5.
5812 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5814 * reload1.c (reload_combine): Re-add line that got accidentally lost.
5816 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5818 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
5819 accessing variables until they are initialized via va_arg().
5821 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5823 * reload1.c (reload_combine): Initialize set before using.
5825 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
5827 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
5830 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
5832 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
5833 operand3 with mask before using it. Patch provided by Jim Wilson.
5835 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5837 * config/sparc/sparc.c (function_value): Perform the equivalent of
5838 PROMOTE_MODE for ARCH64.
5839 (eligible_for_epilogue_delay): Allow DImode operations in delay
5840 slot of a return for ARCH64.
5842 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5844 * sh.md (sqrtsf2): Fix mode of sqrt.
5846 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5848 * reload1.c (choose_reload_regs): Also try inheritance when
5849 reload_in is a stack slot of a pseudo, even if we already got a
5852 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5854 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
5855 (reload_cse_regs): New function body: call reload_cse_regs_1,
5856 reload_combine, reload_cse_move2add.
5857 When doing expensive_optimizations, call reload_cse_regs_1 a
5858 second time after reload_cse_move2add.
5859 (reload_combine, reload_combine_note_store): New functions.
5860 (reload_combine_note_use): New function.
5861 (reload_cse_move2add, move2add_note_store): New functions.
5863 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5865 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
5866 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
5868 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
5869 more than 3 such reloads.
5871 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
5872 RELOAD_FOR_X_ADDR_ADDR reload.
5874 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5876 * expr.c (store_constructor): When initializing a field that is smaller
5877 than a word, at the start of a word, try to widen it to a full word.
5879 * cse.c (cse_insn): When we are about to change a register,
5880 remove any invalid references to it.
5882 (remove_invalid_subreg_refs): New function.
5883 (mention_regs): Special treatment for SUBREGs.
5884 (insert_regs): Don't strip SUBREG for call to mention_regs.
5885 Check if reg_tick needs to be bumped up before that call.
5886 (lookup_as_function): Try to match known word_mode constants when
5887 looking for a norrower constant.
5888 (canon_hash): Special treatment for SUBREGs.
5890 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5892 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
5893 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
5894 defined, emit libcall to __enable_execute_stack. Also fix opcodes
5895 and offsets in actual stack trampoline code so they match the
5896 commentary and actually work.
5898 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5900 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
5902 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
5903 tmake_file. Set extra_parts to needed crt objects.
5904 * configure: Rebuilt.
5905 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
5906 (TARGET_DEFAULT): Set if default is v9 or ultra.
5907 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
5908 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
5909 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
5910 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
5911 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
5912 (TARGET_VERSION): Define.
5913 (MULTILIB_DEFAULT): Define.
5914 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
5915 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
5916 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
5918 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
5919 * config/sparc/sparc.c (sparc_override_options): If arch and
5920 pointer size disagree, emit diagnostic and fix it up. If
5921 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
5922 V8PLUS in 64-bit mode.
5923 * config/sparc/t-linux64: New file.
5924 * config/sparc/t-sol2-64: New file.
5925 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
5926 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
5927 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
5928 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
5929 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
5930 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
5932 (STARTFILE_SPEC): Set approriately based upon those.
5933 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
5934 disposition of DEFAULT_ARCH32_P.
5935 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
5936 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
5937 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
5938 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
5939 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
5941 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
5943 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
5945 * rtl.h (init_virtual_regs): New function.
5946 * emit-rtl.c (init_virtual_regs): Define.
5947 (insn_emit): Use it.
5948 * integrate.c (save_for_inline_copying): Likewise.
5950 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
5952 * config/arm/thumb.h: The following patches were made by Jim Wilson:
5953 (enum reg_class): Add NONARG_LO_REGS support.
5954 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5955 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
5956 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
5957 completes. Re-enable HImode REG+OFFSET addresses.
5958 (LEGITIMIZE_RELOAD_ADDRESS): Define.
5960 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
5962 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
5964 * alpha.c (get_aligned_mem): Revert Sep 20 change.
5965 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
5966 (alpha_align_insns): Properly calculate initial offset wrt max_align.
5968 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
5970 * arm.c (find_barrier): Revert change of Apr 23. Handle table
5971 jumps as a single entity, taking into account the size of the
5974 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5976 * tree.def (SWITCH_EXPR): New tree node definition.
5978 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
5980 * version.c: Bump for snapshot.
5982 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
5984 * version.c: Bump for snapshot.
5986 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
5988 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
5991 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
5993 * Revert this patch.
5994 * reload.c (find_reloads): Do not replace a pseudo with
5995 (MEM (reg_equiv_addr)) in the initializing insn for the
5998 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
6000 * final.c (final_scan_insn): Disable tracking CC across branches.
6002 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6004 * expr.h (eh_rtime_match_libfunc): New extern declaration.
6005 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
6006 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
6007 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
6008 NULL. Only include <stdio.h> if inhibit_libc is not defined.
6010 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
6012 * toplev.c (rest_of_compilation): Skip compiling anything with
6013 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
6015 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
6017 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
6018 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
6019 use in_libcall_block.
6020 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
6021 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
6024 Mon Sep 21 14:02:23 1998
6026 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
6027 typo in no-fancy-math-387 description.
6029 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
6031 * version.c: Bump for snapshot.
6033 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
6035 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
6037 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
6039 * i386.h: (TARGET_SWITCHES) Add description fields for flags
6040 documented in install.texi.
6041 (TARGET_OPTIONS) Likewise.
6043 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
6045 * version.c: Bump for snapshot.
6047 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
6049 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
6050 * cccp.c (main): Likewise.
6052 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
6053 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
6056 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
6058 * Makefile.in (LIBS): Link in libiberty.a.
6059 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
6061 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
6063 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
6064 it to update bb boundaries. Update caller.
6065 * function.c (reposition_prologue_and_epilogue_notes): Update
6066 bb boundaries wrt the moved note.
6068 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
6070 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
6072 * configure: Regenerate.
6074 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
6076 * alpha.c (alpha_sr_alias_set): New variable.
6077 (override_options): Set it.
6078 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
6079 (mode_mask_operand): Fix signed-unsigned comparision warning.
6080 (alpha_expand_block_move): Likewise.
6081 (print_operand): Likewise.
6082 (get_aligned_mem): Use change_address.
6083 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
6084 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
6085 (alphaev4_next_nop, alphaev5_next_nop): New functions.
6086 (alpha_align_insns): Remade from old alphaev5_align_insns
6087 to handle multiple processors.
6088 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
6089 * output.h (label_to_alignment): Prototype.
6091 * tree.c (new_alias_set): New function.
6092 * tree.h (new_alias_set): Declare it.
6093 * c-common.c (c_get_alias_set): Use it.
6095 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
6097 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
6098 to an ABS expr, convert an unsigned input to signed.
6100 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
6102 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
6104 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6106 * configure.in: Add support for c4x targets.
6107 * configure: Rebuilt.
6109 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
6111 * combine.c (distribute_notes): If an insn is a cc0 user, only
6112 delete it if we can also delete the cc0 setter.
6114 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
6116 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
6117 (invert_truthvalue): Enable truthvalue inversion for
6118 floating-point operands if -ffast-math.
6120 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
6122 * configure.in: Disable collect2 for nextstep. Instead use
6124 * configure: Rebuilt.
6125 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
6126 (ENDFILE_SPEC): Define.
6127 (OBJECT_FORMAT_MACHO): Define.
6128 (EH_FRAME_SECTION_ASM_OP): Define.
6129 * crtstuff.c: Handle MACHO.
6131 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
6133 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
6135 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
6137 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
6138 (_fpadd_parts): Get sign right for 0.
6140 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6142 * ginclude/varargs.h: Add support for C4x target.
6143 * ginclude/stdargs.h: Likewise.
6145 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
6147 * alpha.c (alpha_return_addr): SET should be VOIDmode.
6148 (alpha_emit_set_long_const): Rewrite to be callable from reload
6150 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
6151 * alpha.md (movdi): Likewise.
6153 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
6155 * arm.c (add_constant): New parameter address_only, change caller.
6156 Set it non-zero if taking the address of an item in the pool.
6157 (arm_reorg): Handle cases where we need the address of an item in
6160 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
6162 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
6163 memory addresses that are not in standard canonical form.
6165 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
6167 * README.C4X: New file with information about the c4x ports.
6168 * ginclude/va-c4x.h: New file for c4x varargs support.
6169 * config/c4x: New directory with c4x port files.
6171 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
6173 * reload.c (find_reloads): Do not replace a pseudo with
6174 (MEM (reg_equiv_addr)) in the initializing insn for the
6177 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
6179 * toplev.c (rest_of_compilation): Set bct_p on second call to
6181 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
6183 (strength_reduce): Only call analyze_loop_iterations and
6184 insert_bct if bct_p set.
6185 (check_dbra_loop): Fix typo.
6186 (insert_bct): Use word_mode instead of SImode.
6187 (instrument_loop_bct): Likewise. Do not delete iteration count
6188 condition code generation insn. Initialize iteration count before
6190 * rtl.h (loop_optimize): Update prototype.
6192 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
6193 not doubleword aligned.
6195 * rs6000.c (optimization_options): New function.
6196 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
6197 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
6198 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
6199 first; cr1 can be used for FP record condition insns.
6201 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
6203 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
6206 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
6209 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
6211 (block_move_call): New function: Call a library routine to copy a
6213 (m32r_expand_block_move): New function: Expand a "movstrsi"
6214 pattern into a sequence of insns.
6215 (m32r_output_block_move): New function: Expand a
6216 "movstrsi_internal" pattern into a sequence of assembler opcodes.
6217 (m32r_block_immediate_operand): New function: Return true if the
6218 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
6220 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6222 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
6224 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
6226 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6228 * regmove.c (copy_src_to_dest): Check that modes match.
6230 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
6232 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
6234 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
6236 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
6237 narrower than FLOAT_REGS.
6239 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6241 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
6243 * Makefile.in (old_gxx_include_dir): removed
6245 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
6247 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
6250 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
6251 (sh_handle_pragma): Change function arguments to match new
6252 specification for HANDLE_PRAGMA.
6254 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6256 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
6258 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
6259 When generating output, initialize missing struct member to zero.
6261 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6263 * regmove.c (copy_src_to_dest): Don't copy if that requires
6264 (a) new register(s).
6266 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6268 * global.c (reg_allocno): Now static.
6269 * reload1.c (reg_allocno): Delete declaration.
6270 (order_regs_for_reload): Take no arguments. Don't treat regs
6271 allocated by global differently than those allocated by local-alloc.
6273 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
6275 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
6276 condition, fix format strings.
6277 (output_function_epilogue): Likewise.
6279 * m68k/m68k.c: Don't include <stdlib.h> directly.
6281 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
6283 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
6284 mem_first_set, mem_last_set; because 0 can be a CUID.
6285 (oprs_unchanged_p): Use new definition.
6286 (record_last_reg_set_info): Likewise.
6287 (record_last_mem_set_info): Likewise.
6288 (compute_hash_table): Likewise.
6290 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
6292 * rs6000.c (output_epilogue): Handle Chill.
6294 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
6295 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
6297 * combine.c (make_extraction): If no mode is specified for
6298 an operand of insv, extv, or extzv, default it to word_mode.
6299 (simplify_comparison): Similarly.
6300 * expmed.c (store_bit_field): Similarly.
6301 (extract_bit_field): Similarly.
6302 * function.c (fixup_var_regs_1): Similarly.
6303 * recog.c (validate_replace_rtx_1): Similarly.
6304 * mips.md (extv, extzv, insv expanders): Default modes for most
6305 operands. Handle TARGET_64BIT.
6306 (movdi_uld, movdi_usd): New patterns.
6308 * pa.c (emit_move_sequence): Do not replace a pseudo with its
6309 equivalent memory location unless we have been provided a scratch
6310 register. Similarly do not call find_replacement unless a
6311 scratch register has been provided.
6313 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6315 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
6318 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
6320 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
6321 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
6322 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
6323 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
6324 * c-decl.c (init_decl_processing): Update accordingly.
6325 * expr.c (expand_builtin): Likewise.
6327 * rtl.h (global_rtl): Add cfa entry.
6328 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
6329 (LAST_VIRTUAL_REGISTER): Update.
6330 * emit-rtl.c (global_rtl): Add cfa entry.
6331 (init_emit): Initialize it.
6332 * function.c (cfa_offset): New.
6333 (instantiate_virtual_regs): Initialize it.
6334 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
6335 (expand_function_end): Call expand_eh_return.
6336 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
6338 * except.c (current_function_eh_stub_label): Kill.
6339 (current_function_eh_old_stub_label): Likwise; update all references.
6340 (expand_builtin_set_return_addr_reg): Kill.
6341 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
6342 (expand_builtin_set_eh_regs): Kill.
6343 (eh_regs): Produce a third reg for the actual handler address.
6344 (eh_return_context, eh_return_stack_adjust): New.
6345 (eh_return_handler, eh_return_stub_label): New.
6346 (init_eh_for_function): Initialize them.
6347 (expand_builtin_eh_return, expand_eh_return): New.
6348 * except.h: Update prototypes.
6349 * flow.c (find_basic_blocks_1): Update references to the stub label.
6350 * function.h (struct function): Kill stub label elements.
6352 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
6353 register number is one that would be in the previous window.
6354 Provide a dummy definition for non-windowed targets.
6355 (get_reg_addr): New function.
6356 (get_reg, put_reg, copy_reg): Use it.
6357 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
6358 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
6360 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
6361 (alpha_init_expanders): Initialize it.
6362 (alpha_expand_epilogue): Use it.
6363 * alpha.h: Declare it.
6364 * alpha.md (eh_epilogue): New.
6366 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
6367 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
6369 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
6371 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
6374 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6376 * except.h (struct eh_entry): Add false_label field.
6377 (end_catch_handler): Add prototype.
6378 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
6379 (start_catch_handler): When using old style exceptions, issue
6380 runtime typematch code before continuing with the handler.
6381 (end_catch_handler): New function, generates label after handler
6382 if needed by older style exceptions.
6383 (expand_start_all_catch): No need to check for new style exceptions.
6384 (output_exception_table_entry): Only output the first handler label
6385 for old style exceptions.
6386 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
6387 mechanism into one function, if a runtime matcher is provided.
6389 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6391 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
6393 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
6395 * integrate.c (copy_decl_list): Fix typo.
6397 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6399 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
6402 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
6404 * version.c: Bump for snapshot.
6406 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
6408 * version.c: Bump for snapshot.
6410 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
6412 * version.c: Bump for snapshot.
6414 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6416 * invoke.texi (C Dialect Options): Put back missing @end itemize.
6418 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6420 * configure.in: remove usage of `!' to negate the result of a
6421 command; some common shells do not support it
6423 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6425 * configure.in: in sparc9-sol2 config, use 'if test' not
6427 * configure: Rebuilt.
6429 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
6431 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
6432 (CPP_CPU_DEFAULT_SPEC): Likewise.
6433 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
6434 for arch64 libfuncs.
6436 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
6439 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6441 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
6443 * collect2.c: Don't declare `sys_siglist' here.
6444 (my_strsignal): Prototype and define new function. Use it in
6445 place of `sys_siglist' hacks.
6447 * mips_tfile.c: Likewise.
6449 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
6450 (GCC_NEED_DECLARATIONS): Likewise.
6452 * system.h (strsignal): Prototype it, if necessary.
6453 (sys_siglist): Declare it, if necessary.
6455 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6457 * loop.c (move_movables): While removing insn sequences, preserve
6458 the next pointer of the most recently deleted insn when we skip
6461 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
6463 * objc/config-lang.in: Do not output the name of the selected
6464 thread file when building the front-end. The Makefile for the
6465 runtime library will do this.
6467 * objc/Make-lang.in: Do not build the runtime library or install
6468 the Objective C header files. The Makefile for the runtime
6469 library will do this.
6471 * objc/Makefile.in (all.indirect): Only build the front-end.
6472 (compiler): Rename to `frontend'.
6473 (obj-runtime): Remove target.
6474 (copy-headers): Likewise.
6475 (clean): No need to remove `libobjc.a' any longer.
6477 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
6479 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
6480 supported with -mcpu=xxx.
6482 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6484 * flow.c (mark_set_1): Recognize multi-register structure return
6485 values in CALL insns.
6486 (mark_used_regs): Likewise.
6487 (count_reg_sets_1): Likewise.
6488 (count_reg_references): Likewise.
6489 * rtlanal.c (note_stores): Likewise.
6490 (reg_overlap_mentioned_p): Likewise.
6491 * haifa-sched.c (check_live_1): Likewise.
6492 (update_live_1): Likewise.
6493 (sched_analyze_1): Likewise.
6494 (sched_note_set): Likewise.
6495 (birthing_insn_p): Likewise.
6496 (attach_deaths): Likewise.
6498 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
6501 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
6503 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
6505 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6507 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
6509 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6511 * configure.in: Add check for GAS subsection -1 support.
6512 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
6513 * configure config.in: Rebuilt.
6514 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
6515 SImode is subsection -1 works, else use DImode.
6516 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
6517 subsection -1 works.
6518 * config/sparc/sparc.c (sparc_output_addr_vec,
6519 sparc_output_addr_diff_vec): Use them if defined.
6521 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
6523 * tree.h (DECL_ORIGIN): New macro.
6524 * integrate.c (copy_and_set_decl_abstract_origin): New function.
6525 (copy_decl_list): Use it.
6526 (integrate_parm_decls): Likewise.
6527 (integrate_decl_tree): Likewise.
6528 * dwarf2out.c (decl_ultimate_origin): Simplify.
6529 * dwarfout.c (decl_ultimate_origin): Likewise.
6530 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
6531 (pushdecl): Likewise.
6533 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
6535 * config/rs6000/rs6000.c (output_epilog): Add Java support.
6537 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
6539 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
6541 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
6543 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
6544 empty or has a single entry.
6546 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
6547 before calling reg_to_stack.
6549 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
6551 * alpha.c (alphaev5_insn_pipe): Abort on default case.
6552 (alphaev5_next_group): Swallow CLOBBERs and USEs.
6554 * c-tree.h (warn_long_long): Declare it.
6556 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
6558 * emit-rtl.c (gen_lowpart_common): Disable optimization of
6559 initialized float-int union if the value is a NaN.
6561 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
6563 * c-lex.c (real_yylex): Don't warn about long long constants if
6564 we're allowing long long
6566 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6568 * except.h (current_function_eh_stub_label): Declare.
6569 (current_function_eh_old_stub_label): Declare.
6570 * function.h (struct function): New members eh_stub_label and
6572 * except.c (current_function_eh_stub_label): New variable.
6573 (current_function_eh_old_stub_label): New variable.
6574 (init_eh_for_function): Clear them.
6575 (save_eh_status): Save them.
6576 (restore_eh_status): Restore them.
6577 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
6578 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
6579 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
6580 make an edge from the block that contains it to the block starting
6581 with the label if this label is one of the eh stub labels.
6582 If eh stub labels exist, show they are reachable from the last block
6585 * reload1.c (reload): Break out several subroutines and make some
6587 (calculate_needs_all_insns): New function, broken out of reload.
6588 (calculate_needs): Likewise.
6589 (find_reload_regs): Likewise.
6590 (find_group): Likewise.
6591 (find_tworeg_group): Likewise.
6592 (something_needs_reloads): New global variable, formerly in reload.
6593 (something_needs_elimination): Likewise.
6594 (caller_save_spill_class): Likewise.
6595 (caller_save_group_size): Likewise.
6596 (max_needs): Likewise.
6597 (group_size): Likewise.
6598 (max_groups): Likewise.
6599 (max_nongroups): Likewise.
6600 (group_mode): Likewise.
6601 (max_needs_insn): Likewise.
6602 (max_groups_insn): Likewise.
6603 (max_nongroups_insn): Likewise.
6604 (failure): Likewise.
6606 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
6608 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
6610 * loop.c (load_mems): Copy rtx for output mem.
6612 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
6614 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
6615 mips1 or mips2 either.
6617 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
6619 * pa.c (pa_reorg): New marking scheme for jumps inside switch
6621 (pa_adjust_insn_length): Update to work with new marking scheme
6622 for jumps inside switch tables.
6623 * pa.md (switch_jump): Remove pattern.
6624 (jump): Handle jumps inside jump tables.
6626 * Makefile.in (profile.o): Depend on insn-config.h
6628 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
6630 * iris6.h (DWARF2_UNWIND_INFO): Undef.
6632 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6634 Add preliminary native sparcv9 Solaris support.
6635 * configure.in: Recognize sparv9-*-solaris2*
6636 * configure: rebuilt
6637 * config.sub: Recognize sparcv9 just like sparc64.
6638 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
6639 config/sparc/sol2-cn.asm: Macroize so it can be shared between
6640 32-bit and 64-bit Solaris systems.
6641 * config/sparc/t-sol2: Assemble those with cpp.
6642 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
6643 (*TF*_LIBCALL): If ARCH64 use V9 names.
6644 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
6646 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6648 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
6649 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
6651 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
6653 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
6654 to Pmode if CASE_VECTOR_MODE is something else.
6656 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
6658 * prefix.c (update_path): Correctly handle cases where PATH is
6659 a substring of the builtin prefix, but specifies a different
6662 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
6664 * expr.c: Corrected comment about what MOVE_RATIO does.
6665 * config/alpha/alpha.h: Ditto.
6666 * config/1750a/1750a.h: Ditto.
6667 * config/clipper/clipper.h: Ditto.
6668 * config/i386/i386.h: Ditto.
6670 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
6672 * configure.in (m68k-next-nextstep3*): Use collect2.
6673 Similarly for x86 NeXT configurations.
6674 * configure: Rebuilt.
6676 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
6678 * configure.in: Don't assume srcdir is .../gcc
6679 * configure: Rebuilt.
6681 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
6683 * global.c: Update comments.
6684 (global_alloc): Assign allocation-numbers
6685 even for registers allocated by local_alloc in case
6686 they are later spilled and retry_global_alloc is called.
6687 (mark_reg_store, mark_reg_clobber,
6688 mark_reg_conflicts, mark_reg_death): Always record a
6689 conflict with a pseudo register even if it has been
6690 assigned to a hard register.
6691 (dump_conflicts): Don't list pseudo registers already assigned to
6692 a hard register as needing to be allocated, but do list their
6694 * local-alloc.c: Update comment.
6696 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
6698 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
6699 * configure: Rebuilt.
6701 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
6703 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
6705 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
6706 for all targets that set -msoft-float.
6708 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6710 * toplev.c (print_switch_values): Make static to match prototype.
6712 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
6714 * configure.in: If we are unable to find the "gnatbind" program,
6715 then do not configure the ada subdir.
6716 * configure: Rebuilt.
6718 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
6720 * version.c: Bump for snapshot.
6722 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
6724 * version.c: Bump for snapshot.
6726 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6728 * Makefile.in (toplev.o): Depend on $(EXPR_H).
6729 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
6731 * gansidecl.h: Define ATTRIBUTE_NORETURN.
6733 * genattrtab.c: Have insn-attrtab.c include toplev.h.
6735 * genextract.c: Have insn-extract.c include toplev.h.
6737 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
6739 * toplev.c: Include expr.h.
6740 (really_sorry, fancy_abort): Remove prototypes.
6741 (set_target_switch): Add argument in prototype.
6742 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
6743 (v_really_sorry): Likewise.
6744 (print_version, print_single_switch, print_switch_values): Make
6745 static and add prototype arguments.
6746 (decl_printable_name): Add prototype arguments.
6747 (lang_expand_expr_t): New typedef.
6748 (lang_expand_expr): Declare as a lang_expand_expr_t.
6749 (incomplete_decl_finalize_hook): Add prototype argument.
6750 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
6751 (botch): Likewise for variable `s'.
6752 (rest_of_type_compilation): Mark variables `type' and `toplev'
6753 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
6754 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
6755 (display_help): Make variable `i' an `unsigned long'.
6756 (main): Remove unused parameter `envp'.
6757 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
6758 Cast -1 when comparing it with a `size_t'.
6760 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
6761 prototype with ATTRIBUTE_NORETURN.
6762 (fatal_insn_not_found, fatal_insn, really_sorry,
6763 push_float_handler, pop_float_handler): Add prototypes.
6764 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
6765 (do_abort, botch): Add prototypes.
6767 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
6769 * final.c (final): If a label is reached only from a single jump,
6770 call NOTICE_UPDATE_CC on the jump and its predecessor before
6771 emitting the insn after the label.
6773 * i386.h: Add AMD K6 support.
6774 Change TARGET_* macros to use table lookup.
6775 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
6776 (ADJUST_COST): Change definition to call function in i386.c.
6777 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
6778 * i386.c: Add AMD K6 support.
6779 Add constants for feature tests used by TARGET_* macros.
6780 (split_di): If before reload, call gen_lowpart and gen_highpart.
6781 (x86_adjust_cost): New function.
6782 (put_jump_code): New function.
6783 (print_operand): New codes 'D' and 'd'.
6784 * i386.md: New insn types. New insn attribute "memory".
6785 Redefine scheduling parameters to use new types and add AMD K6
6786 support. Explicitly set type of most insns.
6787 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
6788 Pro and K6 prefer movl $1,reg to incl reg.
6789 (adddi3, subdi3): Set cc_status.
6790 (DImode shift patterns): Change label counters from HOST_WIDE_INT
6791 to int; x86 can't have more than 2^31 DImode shifts per file.
6792 (setcc): Combine all setcc patterns. Allow writing memory.
6793 Combine all jump patterns using match_operator.
6794 (*bzero): Name pattern. Emit mutliple stos instructions when that
6795 is faster than rep stos.
6796 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
6799 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
6801 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
6804 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
6806 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
6807 not whatever we're generating now.
6809 * alpha.c (set_frame_related_p, FRP): New.
6810 (alpha_expand_prologue): Mark frame related insns.
6811 (alpha_expand_epilogue): Likewise, but with a null FRP.
6812 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
6813 * alpha.md (exception_receiver): New.
6814 * alpha/crtbegin.asm (.eh_frame): New beginning.
6815 (__do_frame_setup, __do_frame_takedown): New.
6816 * alpha/crtend.asm (.eh_frame): New ending.
6817 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
6818 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
6819 (ASM_FILE_START): Don't emit .file for dwarf2.
6821 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
6822 * rtl.c (reg_note_name): Likewise.
6823 * rtl.texi (REG_NOTES): Likewise.
6824 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
6827 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
6829 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
6830 * i386.md (movsf, movdf, movxf): Validate memory address returned
6831 from force_const_mem. Kill useless REG_EQUAL setting code.
6833 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
6835 * m68k.md (zero_extendsidi2): Fix typo.
6837 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
6839 * configure.in: Removed references to the removed file
6840 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
6841 * arm*-*-netbsd* and ns32k-*-netbsd*.
6842 * config/i386/xm-netbsd.h: Removed unnecessary file.
6843 * config/m68k/xm-netbsd.h: Likewise.
6844 * config/sparc/xm-netbsd.h: Likewise.
6845 * config/mips/xm-netbsd.h: Likewise.
6847 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
6849 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
6850 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
6852 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
6853 for exact section attributions.
6855 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
6857 * i386/crtdll.h (CPP_PREDEFINES): Define.
6859 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
6861 * m68k.md (5200 movqi): Do not allow byte sized memory references
6863 * m68k.c (output_move_qimode): Do not use byte sized operations on
6866 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
6867 explicit rules for building. Similarly for alloca, vfprintf,
6868 choose-temp and mkstemp, getopt, getopt1, and obstack.
6869 (INCLUDES): Add $(srcdir)/../include.
6870 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
6871 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
6873 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
6875 * gcc.c (do_spec_1): [case 'o'] Account for
6876 lang_specific_extra_outfiles.
6877 (main): Correctly clear all slots in outfiles for
6878 lang_specific_extra_outfiles. Set input_file_number before
6879 calling lang_specific_pre_link.
6881 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
6883 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
6885 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6887 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
6889 (sparc_output_deferred_case_vectors): If no work to do, return.
6890 Fix thinko in Sept 1 change.
6892 1998-09-03 SL Baur <steve@altair.xemacs.org>
6894 * Makefile.in: add semicolon in BISON definition for portability.
6896 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
6898 * config/nextstep.c (handle_pragma): Correct name of third
6901 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
6903 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
6904 * config/m32r/m32r.h: Make register 17 be fixed.
6905 * config/m32r/m32r.c: Use SImode for cc operations.
6907 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
6909 * invoke.texi (Warning Options): Add -Wnon-template-friend
6912 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
6914 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
6916 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
6918 * rs6000.md (movsf): Disable explicit secondary-reload-like
6919 functionality if TARGET_POWERPC64.
6920 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
6923 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
6925 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
6926 and term.h from fixinc.wrap.
6928 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6930 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
6931 safe to include both string.h and strings.h together.
6932 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
6933 which headers to search for function declarations. Continue to
6934 prefer string.h over strings.h when both are not acceptable.
6936 * acconfig.h (STRING_WITH_STRINGS): Add stub.
6938 * configure.in: Call GCC_HEADER_STRING.
6940 * system.h: Test STRING_WITH_STRINGS when deciding which headers
6941 to include. Continue to prefer string.h over strings.h when both
6944 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6946 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
6947 not assume top 32-bits of symbolic addresses are zero if
6950 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
6952 * ginclude/va-alpha.h: Protect entire second portion of the
6953 file against double inclusion.
6955 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
6957 Added support for the Boehm's garbage collector.
6958 * configure.in: Handle --enable-objc-gc.
6959 * configure: Rebuilt.
6960 * Makefile.in (CHECK_TARGETS): Add check-objc.
6961 (check-objc): New rule.
6962 * objc/Make-lang.in: Build a different Objective-C library that
6963 runs with the Boehm's collector.
6964 * objc/encoding.c (objc_round_acc_size_for_types): New function.
6965 * objc/encoding.c: Correctly compute the size of compound types in
6966 the presence of bitfields. Skip the variable name of the type if
6967 any. Added support for long long.
6968 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
6969 (_F_GCINVISIBLE): New mask.
6970 * objc/gc.c: New file. Compute the type memory mask associated with
6971 a class based on the runtime information.
6972 * objc/misc.c: Added the hooks that use the Boehm's collector
6973 allocation functions.
6974 * objc/objc-act.c (build_class_template): Generate a new class
6975 member (gc_object_type) to hold the class' type memory mask.
6976 (build_shared_structure_initializer): Initialize the new member to
6978 (encode_complete_bitfield): New function. Generate the new
6980 (encode_field_decl): Generate the new encoding only for the GNU
6982 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
6984 (class_get_gc_object_type): New function to mark a pointer instance
6985 variable as a weak pointer.
6986 * objc/objc-features.texi: New file.
6987 * objc/objc.h (gc_object_type): New class member.
6988 * objc/objects.c (class_create_instance): Create a typed memory
6989 object when compiled with Boehm's collector support.
6990 * objc/sendmsg.c (__objc_init_install_dtable): Call
6991 __objc_send_initialize instead of setting the initialize flag.
6992 (__objc_send_initialize): Call __objc_generate_gc_type_description
6993 to generate the class type memory mask. Rewrite the code that
6994 sends the +initialize so that it is called only once (bug report
6995 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
6996 * testsuite/objc: New testsuite for Objective-C type encoding.
6997 * testsuite/lib/objc-torture.exp: New file.
6998 * testsuite/lib/objc.exp: New file.
7000 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
7002 * jump.c (jump_optimize): In if/then/else transformations, add
7003 another call to modified_between_p for the jump insn.
7005 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
7007 * fix-header.c (symlink): Treat like readlink.
7009 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7011 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
7014 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
7016 * config/nextstep.h: Update HANDLE_PRAGMA macro.
7017 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
7018 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
7020 * config/nextstep.c (handle_pragma): Take three arguments, as per
7021 the new HANDLE_PRAGMA macro specification.
7022 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
7023 per the new HANDLE_PRAGMA macro specification.
7024 * config/i960/i960.c (process_pragma): Take three arguments, as
7025 per the new HANDLE_PRAGMA macro specification.
7027 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
7029 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
7030 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
7031 if unknown pragmas are encountered.
7032 (handle_sysv_pragma): Interpret return code from
7033 handle_pragma_token (). Return success/failure indication rather
7034 than next unprocessed character.
7035 (pragma_getc): New function: retrieves characters from the
7036 input stream. Defined when HANDLE_PRAGMA is enabled.
7037 (pragma_ungetc): New function: replaces characters back into the
7038 input stream. Defined when HANDLE_PRAGMA is enabled.
7040 * c-pragma.c (handle_pragma_token): Return success/failure status
7043 * c-pragma.h: Change prototype of handle_pragma_token().
7045 * varasm.c: (handle_pragma_weak): Only create this function if
7046 HANDLE_PRAGMA_WEAK is defined.
7048 * c-common,c (decl_attributes): If defined call the expression
7049 contained within the INSERT_ATTRIBUTES macro before adding
7050 attributes to a decl.
7052 * tm.texi (HANDLE_PRAGMA): Document the new verion of
7053 HANDLE_PRAGMA, which takes three arguments.
7054 (INSERT_ATTRIBUTES): Document this new macro.
7056 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
7057 new INSERT_ATTRIBUTES macro.
7059 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7061 * config/sparc/sparc.md (movdf): Only generate special RTL for
7062 LABEL_REFs when PIC.
7063 (move_label_di): Remove
7064 (movdi_pic_label_ref, movdi_high_pic_label_ref,
7065 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
7066 references when PIC.
7067 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
7068 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
7069 output an .xword for all 64-bit cases.
7071 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7073 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
7074 alignment, use FUNCTION_BOUNDARY instead.
7075 (sparc_output_deferred_case_vectors): Likewise.
7077 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7079 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
7080 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
7082 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
7084 * alpha/va_list.h: New file.
7085 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
7087 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
7089 * NEWS: Add SCO Openserver and Unixware 7 notes.
7093 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
7095 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
7096 (record_constant_1): Handle RANGE_EXPR.
7098 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
7100 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
7101 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
7102 and NOTE_INSN_RANGE_END specially.
7103 (reemit_notes): Likewise.
7105 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7107 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
7108 (ultrasparc_sched_init): Remove unneeded &.
7110 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7112 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
7113 for m68020-60, to prevent the use of fintrz.
7115 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
7117 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
7119 * Makefile.in: Likewise.
7120 * configure: Regenerated.
7122 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
7124 * configure.in (gxx_include_dir): Changed to
7125 '${prefix}/include/g++'-${libstdcxx_interface}.
7126 * configure: Rebuilt.
7128 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
7130 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
7132 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
7133 *sequences* *below* which scalar moves will be used.
7135 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
7137 * collect2.c (mktemp): Delete unused declaration.
7139 * config/xm-netbsd.h: Remove unnecessary file.
7140 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
7141 file anymore, it is not needed.
7143 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
7145 * convert.c (convert_to_integer): Issue an error on conversions to
7148 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
7150 * Makefile.in: Add lang_tree_files and gencheck.h.
7151 * configure.in: Generate them.
7152 * gencheck.c: Include gencheck.h.
7154 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7156 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
7157 movdi_lo_sum_pic and movdi_high_pic and make visible.
7158 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
7159 emit these when Pmode is not SImode.
7160 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
7162 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
7164 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
7165 .linkonce directive after the first time.
7167 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
7169 * m68k.md (beq0_di): Generate correct (and more efficient) code when
7170 the clobbered operand overlaps with an input.
7171 (bne0_di): Similarly.
7173 * Makefile.in (INSTALL): Remove "--no-header" argument.
7175 * NEWS: Various updates.
7177 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7179 * config/sparc/sparc.c (arith_operand, const64_operand,
7180 const64_high_operand, arith_double_4096_operand): Mark mode as
7182 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
7184 (sparc_emit_set_const64): Remove unused variable i.
7185 (sparc_splitdi_legitimate): Likewise for addr_part.
7186 (ultra_code_from_mask): Likewise for mask.
7187 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
7188 reverse return values so it matches usage and comments.
7189 (ultra_flush_pipeline): Likewise.
7190 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
7191 this_type, and allow loads and stores of differing FP modes as
7192 they do not create a conflict.
7193 (ultra_find_type): Initialize fpmode to SFmode, fix
7194 parenthesization thinkos in large conditional.
7195 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
7196 Init free_slot_mask after ultra_cur_hist is reset, not before.
7197 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
7198 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
7199 use ultra_flush_pipeline instead, then re-init group pointer.
7200 Fix statement with no effect. If no progress made in, and no
7201 instructions scheduled at all, advance to new pipeline cycle else
7202 we get into an endless loop.
7203 (ultrasparc_adjust_cost): Remove previous arg.
7204 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
7206 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
7208 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
7209 code. Use reg_overlap_mentioned_p to detect when source and
7210 destination overlap.
7211 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
7213 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
7215 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
7216 COMPARISON_VAL, into invariant_p.
7218 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7220 * regmove.c (regclass_compatible_p): New function.
7221 (regmove_optimize): Use it.
7223 Use NREGS parameter insted of calling max_reg_num.
7225 (fixup_match_1): Don't use code = MINUS when later tieing with
7226 a hard register is likely.
7228 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7230 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
7231 COMPARISON_VAL was normalized.
7233 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
7235 * loop.c (check_dbra_loop): The loop ending comparison value
7236 must be an invariant or we can not reverse the loop.
7238 * loop.c (scan_loop): Count down from max_reg_num - 1 to
7239 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
7241 (load_mems_and_recount_loop_regs_set): Likewise.
7243 * i386.c (print_operand): Remove obsolete 'c' docs.
7245 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
7247 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
7248 * frame.c (init_object_mutex): New function.
7249 (init_object_mutex_once): Likewise.
7250 (find_fde): Call it.
7251 (__register_frame_info): Likewise.
7252 (__register_frame_info_table): Likewise.
7253 (__deregister_frame_info): Likewise.
7255 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
7257 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
7259 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7261 * loop.c (check_dbra_loop): Enable code for reversal
7262 of some loops without a known constant loop end.
7264 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
7266 * haifa-sched.c (last_clock_var): New.
7267 (schedule_block): Initialize it.
7268 (schedule_insn): Use it to fill insn modes with issue information.
7270 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
7271 Tag trapb and next insn with TImode.
7272 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
7273 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
7274 Invoke alphaev5_align_insns as appropriate.
7275 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
7276 (MD_SCHED_VARIABLE_ISSUE): New.
7277 * alpha.md (attr type): Add multi.
7278 (define_asm_attributes): New.
7279 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
7280 (arg_home): Likewise.
7281 (fnop, unop, realign): New.
7283 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
7285 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
7286 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
7288 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
7289 (rs6000-ibm-aix4.[12]*): Likewise.
7290 * configure: Regnerate.
7292 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
7294 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
7295 already contains the return address.
7297 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
7299 * calls.c (expand_call): Use bitfield instructions to extract/deposit
7300 word sized hunks when loading unaligned args into registers.
7302 * haifa-sched.c (sched_analyze_insn): Only create scheduling
7303 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
7305 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
7307 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7309 * loop.c (check_dbra_loop): Add some code that would allow reversal
7310 of some loops without a known constant loop end if it were enabled.
7312 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
7314 * mips.md (lshrsi3_internal2+2): Fix type-o.
7316 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7318 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
7319 correctly with regards to stdio.h.
7321 * calls.c: Remove stdarg.h/varargs.h.
7324 * combine.c: Likewise.
7325 * cpperror.c: Likewise.
7326 * cpplib.c: Likewise.
7327 * cpplib.h: Likewise.
7328 * doprint.c: Likewise.
7329 * emit-rtl.c: Likewise.
7330 * final.c: Likewise.
7331 * fix-header.c: Likewise.
7333 * genattr.c: Likewise.
7334 * genattrtab.c: Likewise.
7335 * gencodes.c: Likewise.
7336 * genconfig.c: Likewise.
7337 * genemit.c: Likewise.
7338 * genextract.c: Likewise.
7339 * genflags.c: Likewise.
7340 * genopinit.c: Likewise.
7341 * genoutput.c: Likewise.
7342 * genpeep.c: Likewise.
7343 * genrecog.c: Likewise.
7344 * mips-tfile.c: Likewise.
7345 * prefix.c: Likewise.
7346 * protoize.c: Likewise.
7347 * regmove.c: Likewise.
7348 * toplev.c: Likewise.
7351 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7353 * config/sparc/sparc.c (sparc_override_options): If not
7354 TARGET_FPU, turn off TARGET_VIS.
7355 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
7356 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
7357 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
7358 (movdi_insn_sp64): Add VIS fzero alternative.
7359 (clear_sf, clear_df): New VIS patterns.
7360 (movsf, movdf expanders): Allow fp_zero_operand flat out when
7362 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
7364 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
7366 * loop.c (n_times_set, n_times_used, may_not_optimize,
7367 reg_single_usage): Convert to varrays. All uses changed.
7368 (insert_loop_mem): Return a value.
7369 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
7370 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
7373 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
7376 * configure.in: Do not set thread_file to "irix" since no such
7379 * sparc.md (float abs/neg splits): Check reload_completed before
7380 calling alter_subreg.
7382 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7384 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
7386 * config/sparc/sparc.h: Declare it.
7387 * config/sparc/sparc.md (float abs/neg splits): Use it.
7388 (all other splits): Handle SUBREGs properly where necessary.
7389 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
7391 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
7393 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
7394 an insn on the unfilled_slots_list that has no delay slots.
7395 (fill_eager_delay_slots): Similarly.
7397 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
7399 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
7400 as an ordinary operand.
7402 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
7404 * tree.c (valid_machine_attribute): Don't apply attributes to both
7407 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
7409 * reload.c (operands_match_p): Handle rtvecs.
7411 * i386.c (legitimate_pic_address_disp_p): New.
7412 (legitimate_address_p): Use it.
7413 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
7414 Handle constant pool symbols just like statics.
7415 (emit_pic_move): Use Pmode not SImode for clarity.
7416 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
7417 [UNSPEC]: New, handling what we killed above.
7418 [PLUS]: Detect and abort on invalid symbol arithmetic.
7419 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
7421 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
7423 * alias.c: Include output.h.
7424 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
7425 different if we're in a varargs function.
7426 * Makefile.in (alias.o): Depend on output.h
7428 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7430 * sh.h (GIV_SORT_CRITERION): Delete.
7432 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
7434 * regclass.c (regclass): Use xmalloc/free instead of alloca.
7435 * stupid.c (stupid_life_analysis): Ditto.
7436 * reload1.c (reload): Ditto.
7438 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7440 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
7441 arith_double_4096_operand, arith_double_add_operand): New
7443 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
7444 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
7445 them to transform add/sub 4096 into add/sub -4096.
7447 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7449 * loop.c (scan_loop): Allocate some slop to handle pseudos
7450 generated by move_movables.
7451 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
7454 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
7456 * tree.def (DECL_RESULT): Correct documentation.
7458 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7460 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
7461 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
7462 conflicts will all RELOAD_FOR_OUTPUT reloads.
7464 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
7465 loads the function result, substitute with a USE.
7467 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7469 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
7470 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
7471 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
7472 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
7473 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
7474 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
7476 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
7477 'o' to 'm' for GPR variant constraints.
7479 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
7481 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
7483 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
7485 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
7486 when the source and destination overlap.
7488 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
7489 clash with global type.
7491 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
7493 * fixinc.irix: Add curses.h handling from fixinc.wrap.
7495 * c-common.c (combine_strings): Also set TREE_READONLY.
7496 Change warn_write_strings to flag_const_strings.
7497 * c-decl.c, c-tree.h: Likewise.
7499 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7501 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
7502 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
7503 sequence, use SET/IOR instead so CSE can see it.
7504 * config/sparc/sparc.md (movhi_const64_special,
7505 movsi_const64_special): New patterns necessitated by that change.
7506 (movhi_high): Remove.
7507 (movhi_lo_sum): Change to match an IOR.
7508 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
7509 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
7510 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
7511 (movdf splits): Allow when not V9 or when not ARCH64 and integer
7512 registers are involved.
7513 (snesi_zero_extend split): Remove reload_completed test.
7514 (unnamed plus and minus zero_extend sidi splits): Add it.
7516 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
7518 * extend.texi: Remove description of extension to explicit
7519 instantiation that is now endorsed by standard C++.
7521 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7523 * config/arc/arc.c (arc_initialize_pic): Remove.
7524 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
7525 nothing on any platform and is invoked by no-one, it does not even
7526 appear in the documentation.
7527 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
7528 * config/sparc/sparc.c (initialize_pic): Likewise.
7529 (find_addr_reg): Remove this as well, no longer referenced after
7532 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
7534 * recog.c (validate_replace_rtx_group): New function.
7535 * recog.h (validate_replace_rtx_group): Declare it.
7536 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
7537 the entire group of substitutions.
7539 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
7541 * loop.c (load_mems): Fix initializers.
7543 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7545 * config/sparc/sparc.md (TFmode splits): Handle destination
7546 registers being referenced in the address correctly.
7548 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
7549 TREE_UNSIGNED, when bitsize of type's mode is larger than
7550 HOST_BITS_PER_WIDE_INT.
7552 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7554 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
7555 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
7556 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
7558 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
7561 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
7563 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
7564 * h8300.h (TINY_DATA_NAME_P): Likewise.
7565 (STRIP_NAME_ENCODING): Handle '&'.
7567 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
7568 register (it could be accessed via an outer SUBREG).
7569 (REG_OK_FOR_BASE_P): Likewwise.
7570 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
7572 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
7575 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
7577 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7579 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
7580 must be offsettable so the splits can be made.
7582 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
7584 * config/i386/winnt.c: Include system.h, not stdio.h to get
7585 sys/param.h pulled in before rtl.h in case the system defines MIN
7588 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
7590 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
7592 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
7594 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
7596 * cpplib.c (cpp_define): Handle macros with parameters.
7598 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7600 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
7601 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
7602 and DImode 64-bit. Use llong for minimal-toc SFmode and
7603 SYMBOL_REF / LABEL_REF 64-bit.
7604 (output_function_profiler): Use llong for profiler label and ld to
7605 load 64-bit label address.
7607 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
7609 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
7612 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
7614 * version.c: Bump for snapshot.
7616 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
7618 * version.c: Bump for snapshot.
7620 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
7622 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
7624 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
7626 * tm.texi (Misc): Fix typo "teh".
7628 * tm.texi (PIC): Fix typo "PPIC".
7630 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
7631 effect when -O2 and higher.
7632 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
7634 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
7636 * regclass.c: Changed register set documentation to be consistent
7639 * final.c (final_start_function) Removed redundant test for
7642 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
7644 * rtl.h (rtx_function): New type.
7645 (for_each_rtx): New function.
7646 * rtlanal.c (for_each_rtx): Define it.
7648 * recog.c (change_t): New type.
7649 (change_objects, change_old_codes, change_locs, change_olds):
7651 (changes): New variable.
7652 (validate_change): Dynamically allocate room for more changes, if
7653 necessary. Uses changes array instead of change_objects, etc.
7654 (apply_change_group): Use changes array instead of
7655 change_objects, etc.
7657 * loop.c (loop_mem_info): New type.
7658 (loop_mems): New variable.
7659 (loop_mems_idx): Likewise.
7660 (looop_mems_allocated): Likewise.
7661 (scan_loop): Remove nregs parameter.
7662 (next_insn_in_loop): New function.
7663 (load_mems_and_recount_loop_regs_set): Likewise.
7664 (load_mems): Likewise.
7665 (insert_loop_mem): Likewise.
7666 (replace_loop_mem): Likewise.
7667 (replace_label): Likewise.
7668 (INSN_IN_RANGE_P): New macro.
7669 (loop_optimize): Don't pass max_reg_num() to scan_loop.
7670 (scan_loop): Remove nregs parameter, compute it after any new
7671 registers are created by load_mems. Use INSN_IN_RANGE_P and
7672 next_insn_in_loop rather than expanding them inline. Call
7673 load_mems to load memory into pseudos, if appropriate.
7674 (prescan_loop): Figure out whether or not there are jumps from the
7675 loop to targets other than the label immediately following the
7676 loop. Call insert_loop_mem to notice all the MEMs used in the
7677 loop, if it could be safe to pull MEMs into REGs for the duration
7679 (strength_reduce): Use next_insn_in_loop. Tweak comments.
7681 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
7683 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
7685 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7687 * config/sparc/sparc.c (finalize_pic): Check for the correct
7688 nonlocal_goto_receiver UNSPEC number.
7689 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
7690 making note of this dependency existing in sparc.c
7691 (negtf2_notv9 split): Give NEG SFmode.
7692 (negsf2): Fix insn output string.
7694 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
7696 * c-common.c (decl_attributes): Issue an error if the argument
7697 to alias is not a string.
7699 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
7701 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
7702 pending memory flush list.
7704 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
7706 (try_combine): Allow combining insns with REG_LIBCALL notes.
7708 * expr.c (emit_block_move): Do not call memcpy as a libcall
7709 instead build up a CALL_EXPR and call it like any other
7711 (clear_storage): Similarly for memset.
7713 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
7716 * Makefile.in (cplus-dem.o): Provide explicit rules for building
7719 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
7720 and REG_LIVE_LENGTH as successful substitutions are made.
7722 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7724 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
7725 statement after end of loop label.
7727 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7729 * config/sparc/sparc.c (ultra_types_avail): New variable.
7730 (ultra_build_types_avail): New function to record mask of insn
7731 types in ready list at this cycle.
7732 (ultrasparc_sched_reorder): Call it.
7733 (ultra_find_type): Use it to quicken the search. Also simplif
7734 dependency check, don't use rtx_equal_p because we know exactly
7735 what we are looking for.
7737 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
7739 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
7740 for architecture v4.
7742 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7744 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
7746 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
7747 movdf_const_intreg and helper splits): New patterns to move float
7748 constants into integer registers.
7749 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
7752 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
7755 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
7757 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
7759 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
7760 a BASE_REGS register is needed as an intermediate when copying
7761 a symbolic value into any register class other than BASE_REGS.
7763 * expr.c (move_by_pieces): No longer static. Remove prototype.
7764 * rtl.h (move_by_pieces): Add extern prototype.
7765 * mips.c (expand_block_move): Handle aligned straight line copy by
7766 calling move_by_pieces.
7768 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
7771 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
7773 * stmt.c (expand_end_loop): Tidy. Allow unconditional
7774 jumps out of the loop to be treated as part of the exit test.
7776 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7777 Jeff Law <law@cygnus.com>
7779 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
7780 * cplus-dem.c: Delete.
7782 * Makefile.in (fold-const.o): depend on $(RTL_H).
7784 * fold-const.c: Include rtl.h to get the prototype for
7785 `set_identifier_local_value'.
7787 * loop.c (express_from_1): Remove unused variable `tmp'.
7788 (combine_givs): cast the first argument of bzero to char *.
7790 * toplev.c (display_help): Remove unused variable `looking_for_start'.
7792 * c-decl.c (init_decl_processing): Remove unneeded &.
7794 * alpha.h (alpha_initialize_trampoline): Provide prototype.
7796 * except.c (set_exception_lang_code, set_exception_version_code):
7797 Change parameter from `short' to `int' to avoid using a gcc
7800 * except.h (set_exception_lang_code, set_exception_version_code):
7801 Likewise for prototypes.
7803 * flow.c (count_reg_references): Remove unused variables `regno'
7806 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
7808 * prefix.c (translate_name): Cast the result of `alloca'.
7810 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
7812 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7814 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
7816 (valid_dbcc_comparison_p): Mark mode argument as unused.
7817 (symbolic_operand): Likewise.
7818 (legitimize_pic_address): Likewise.
7819 (const_uint32_operand): Likewise.
7820 (const_sint32_operand): Likewise.
7821 * sched.c [!INSN_SCHEDULING]: Define only dummy function
7822 schedule_insns and comment out rest of file.
7824 * m68k.c (output_move_simode_const): Use subl to move a zero into an
7826 (output_move_[hq]imode): Likewise.
7828 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
7830 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
7831 * invoke.texi: Corresponding changes.
7833 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
7835 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
7837 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7839 * config/sparc/sparc.c (ultra_code_from_mask,
7840 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
7841 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
7842 ultrasparc_sched_init, ultrasparc_variable_issue,
7843 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
7844 functions to describe UltraSPARC pipeline exactly to Haifa.
7845 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
7846 as there is nothing the scheduler can do about it. Indicate that
7847 REG_DEP_OUTPUT's collide. Fixup formatting.
7848 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
7849 divide costs on Ultra for DImode.
7850 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
7852 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
7853 ieuN and add call_no_delay_slot to type list.
7854 (cti function unit): New unit for branches on UltraSPARC.
7855 (subx/addx insns): Set type to misc.
7856 (sidi zero/sign extension insns on arch64): Set type to shift.
7857 (sign_extendhidi2_insn): Set type to sload.
7859 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
7861 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
7862 (output_epilog): Use if != 0 for offset.
7863 (rs6000_fatal_bad_address): Prepare for Intl.
7864 * rs6000.h (rs6000_fatal_bad_address): Declare.
7865 * rs6000.md (movsfcc, movdfcc): Use else if.
7866 (elf_high): Use {liu|lis}.
7867 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
7868 (movsi): Use rs6000_fatal_bad_address.
7870 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
7872 * reload.c (find_equiv_reg): Reject equivalences separated
7873 by a volatile instruction.
7875 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7877 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
7879 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
7881 * alpha.md (movsicc): Fix mode mismatch.
7883 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
7885 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
7887 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
7889 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7891 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
7892 write-only modifier from operand 1 constraint.
7894 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7896 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
7897 emitting a XOR of -1 at the end, emit a NOT instead for combine's
7899 (sparc_emit_set_const64): Likewise, also when computing trailing
7900 bits do not negate low_bits and make fast_int an int.
7902 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
7904 * loop.c (add_label_notes): Do not ignore references to labels
7905 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
7906 * gcse.c (add_label_notes): Similarly.
7908 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
7910 * m68k.md (adddi_dilshr32): One of the operands must be a register.
7911 (adddi_dishl32): Similarly.
7913 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
7915 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
7916 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
7917 * cse.c (cse_basic_block): Add parens to shut up warnings.
7919 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7921 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
7922 sparc_emit_set_const64_longway, const64_is_2insns,
7923 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
7924 in 64-bit constant formation.
7925 * config/sparc/sparc.md (snesi_zero_extend split): Generate
7926 rtl for addx not subx.
7927 (define_insn movdi_const64_special): Make available even when
7928 HOST_BITS_PER_WIDE_INT is not 64.
7929 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
7930 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
7931 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
7932 instances of operand 1 inside a QI subreg.
7933 (xordi3_sp64_dbl): Remove '%' constraint for op1.
7934 (one_cmpldi2_sp64): Fix output string.
7935 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
7937 (unnamed arch64 ashift DI): Truncate shift count if greater than
7940 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7942 * expr.c (store_expr): Don't optimize away load-store pair
7943 when either source or destination have a side effect.
7945 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
7947 * genrecog.c (add_to_sequence): Fatal error if the modes of the
7948 operands of SET are incompatible.
7950 * alpha.md: Fix max and min patterns so modes of SET operands match.
7952 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
7954 * configure.in: Avoid [[ by using test and changequote.
7955 * configure: Rebuild.
7957 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7959 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
7961 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
7962 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
7963 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
7964 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
7965 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
7966 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
7967 Fix mismatching modes in SET operands.
7968 (conditional move patterns): Fix formatting.
7969 (unnamed subx arch64 pattern): Remove duplicate insn.
7971 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7973 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7974 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
7975 (input_operand): Fixup test for what we accept for constant
7977 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
7979 (safe_constDI): Remove.
7980 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
7981 gen_safe_XOR64): New functions.
7982 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
7983 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
7985 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
7986 available when HOST_BITS_PER_WIDE_INT is not 64.
7987 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
7988 move before movdi_insn_sp64 pattern.
7989 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
7990 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
7991 symbolic_operand as predicate for second operand.
7992 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
7993 expander): Give set VOIDmode.
7995 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
7997 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
7999 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
8001 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
8003 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
8005 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
8007 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
8009 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
8011 * install.texi: Various SCO OpenServer tweaks.
8013 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
8015 * reload1.c (eliminate_regs_in_insn): Handle another case when
8016 eliminating the frame pointer to the hard frame pointer. Add
8017 missing ep->to_rtx check to one existing case.
8019 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
8021 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
8023 * tree.h: De-conditionalize init_priority code.
8025 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
8026 * collect2.c (NM_FLAGS): Change from -p to -n.
8028 * configure.in: Turn on collect2 for mipstx39-elf.
8029 Handle use_collect2=no properly.
8031 * c-common.c: De-conditionalize init_priority code.
8032 * collect2.c (extract_init_priority, sort_ids): New fns.
8033 (main): Call sort_ids.
8034 Move sequence_number to file scope.
8036 * configure.in: Handle --enable-init-priority.
8037 * c-common.c (attrs): Add A_INIT_PRIORITY.
8038 (init_attributes, decl_attributes): Likewise.
8039 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
8040 * tree.c (get_file_function_name_long): Split out...
8041 (get_file_function_name): ...from here.
8043 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
8045 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
8048 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
8050 * toplev.c (display_help): Add braces to shut up warnings.
8051 * tree.c (simple_cst_equal): Likewise.
8053 * fold-const.c (non_lvalue): Don't deal with null pointer
8055 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8057 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
8058 of any size to a pointer.
8060 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
8062 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
8064 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
8066 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
8067 which will be saved.
8068 * mn10300.md (prologue insn): Only save registers which need saving.
8069 (epilogue insn): Similarly.
8071 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
8074 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
8076 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
8077 VAR_DECL's in gp addressable sections.
8079 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
8081 * sparc.c: Change return <exp> to <exp>; return; in functions
8083 * sparc.md: Add empty semicolon statement after final label in
8086 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8088 * config/sparc/sparc.md (define_insn addx_extend): Rename to
8089 addx_extend_sp64, only allow when TARGET_ARCH64.
8090 (define_insn addx_extend_sp32 and split): Version that works when
8092 (define_insn subx_extend): Likewise.
8093 (define_split adddi3 and subdi3 with zero extension): Fixup and
8094 correct bugs when not TARGET_ARCH64.
8096 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
8098 * except.c (set_exception_lang_code, set_exception_version_code):
8099 Use prototype-style definition if __STDC__, to match declaration
8102 * genemit.c: Change FAIL and DONE macros not to use loops.
8104 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
8106 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
8107 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
8109 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
8111 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
8113 * README.g77: Update from Craig.
8115 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8117 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
8119 (safe_constDI sparc_emit_set_const64_quick1,
8120 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
8121 analyze_64bit_constant, const64_is_2insns,
8122 create_simple_focus_bits): Fix some bugs when compiled on real
8124 (function_arg_record_value_3, function_arg_record_value_2,
8125 function_arg_record_value): Add fully prototyped forward decls.
8126 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
8127 to cmpsi_insn and use on both 64 and 32 bit targets.
8128 (define_insn cmpsi_insn_sp64): Remove.
8129 (define_expand zero_extendsidi2): Allow for 32-bit target too.
8130 (define_insn zero_extendsidi2_insn): Rename to
8131 zero_extendsidi2_insn_sp64.
8132 (define_insn zero_extendsidi2_insn_sp32): New pattern and
8133 assosciated forced split for it.
8135 * config/sparc/sparc.c (const64_operand, const64_high_operand):
8137 * config/sparc/sparc.h: Declare them.
8138 (PREDICATE_CODES): Add them.
8139 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
8140 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
8142 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
8144 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
8145 in v9 case as the latter makes the Solaris assembler crash.
8147 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8149 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
8150 for TFmode when !v9. We require offsettable memory addresses.
8151 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
8152 DFmode register number conversions.
8153 * config/sparc/sparc.md (define_split DFmode moves): If register
8154 is a SUBREG do alter_subreg on it before using.
8155 (define_expand movtf): Fixup comment about alignment on v9.
8156 (define_split TFmode moves): Don't use gen_{high,low}part, create
8157 explicit SUBREGs instead.
8159 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
8161 * Makefile.in (mbchar.o): Depend on mbchar.c.
8163 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8164 Richard Henderson <rth@cygnus.com>
8166 Rewrite Sparc backend for better code generation and
8167 improved sparc64 support.
8168 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
8170 * config/sparc/sysv4.h: Likewise.
8171 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
8172 move_operand, v8plus_regcmp_op, emit_move_sequence,
8173 singlemove_string, doublemove_string, mem_aligned_8,
8174 output_move_double, output_move_quad, output_fp_move_double,
8175 move_quad_direction, output_fp_move_quad, output_scc_insn):
8177 (small_int_or_double): New predicate.
8178 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
8179 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
8180 old pic_{sethi,lo_sum}_si patterns.
8181 (mem_min_alignment): New generic function to replace
8182 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
8183 available and can test for arbitrary alignments. All callers
8185 (save_regs, restore_regs, build_big_number,
8186 output_function_prologue, output_cbranch, output_return,
8187 sparc_flat_save_restore, sparc_flat_output_function_prologue,
8188 sparc_flat_output_function_epilogue): Prettify
8190 (output_function_epilogue): Likewise and add code to output
8191 deferred case vectors.
8192 (output_v9branch): Likewise, add new arg INSN and use it to tack
8193 on branch prediction settings. All callers changed.
8194 (print_operand): Likewise and output %l44 for LO_SUMs when
8196 (sparc_splitdi_legitimate): New function to make sure DImode
8197 splits can be run properly when !arch64.
8198 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
8199 Reformat example code in comments.
8200 (set_extends): Remove UNSPEC/v8plus_clear_high case.
8201 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
8202 of deferred case vectors we need to output.
8203 (sparc_defer_case_vector): Record a case vector.
8204 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
8205 sparc_output_deferred_case_vectors): New functions to output them.
8206 (sparc_emit_set_const32): New function to form 32-bit constants in
8207 registers when that requires more than one instruction.
8208 (safe_constDI, sparc_emit_set_const64_quick1,
8209 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
8210 analyze_64bit_constant, const64_is_2insns,
8211 create_simple_focus_bits, sparc_emit_set_const64): New functions
8212 which do the same for 64-bit constants when arch64.
8213 (sparc_emit_set_symbolic_const64): New function to emit address
8214 loading for all code models on v9.
8215 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
8216 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
8217 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
8218 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
8219 inaccuracies in comments, add symbolic and text_segment operands
8220 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
8221 GENERAL_REGS in these cases as a temp REG is needed to load these
8222 addresses into a register properly.
8223 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
8225 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
8226 quads are guarenteed to have 16-byte alignment.
8227 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
8228 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
8229 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
8230 deferred case vector implementation.
8231 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
8232 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
8233 Generate "internal label - label" instead of "label - 1b".
8234 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
8235 (PREDICATE_CODES): Remove sparc_operand, move_operand,
8236 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
8238 (doublemove_string, output_block_move, output_fp_move_double,
8239 output_fp_move_quad, output_move_double, output_move_quad,
8240 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
8241 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
8242 (sparc_emit_set_const32, sparc_emit_set_const64,
8243 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
8244 mem_min_alignment, small_int_or_double): Add externs.
8245 * config/sparc/sparc.md: Document the many uses of UNSPEC and
8246 UNSPEC_VOLATILE in this backend.
8247 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
8248 unary to types which execute in it.
8249 (define_function_unit ieu_shift): Rename to ieu0.
8250 (define_function_unit ieu1): New, executes compare, call, and
8251 uncond_branch type insns.
8252 (define_function_units for type fdivs, fdivd, fsqrt): These
8253 execute in the fpu multiply unit not the adder on UltraSparc.
8254 (define_expand cmpdi): Disallow TARGET_V8PLUS.
8255 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
8256 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
8257 allows the arith_double_operand predicate and rHI constraint when
8259 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
8260 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
8261 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
8262 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
8263 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
8264 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
8265 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
8266 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
8267 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
8268 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
8269 sign_extendqihi2_insn, sign_extendqisi2_insn,
8270 sign_extendqidi2_insn, sign_extendhidi2_insn,
8271 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
8272 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
8273 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
8274 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
8275 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
8276 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
8277 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
8278 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
8279 smulsi3_highpart_v8plus, unnamed subreg mult,
8280 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
8281 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
8282 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
8283 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
8284 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
8285 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
8286 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
8287 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
8288 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
8289 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
8290 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
8291 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
8292 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
8293 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
8294 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
8295 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
8296 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
8297 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
8298 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
8299 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
8300 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
8301 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
8302 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
8303 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
8304 call_address_untyped_struct_value_sp32,
8305 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
8306 call_value_symbolic_sp32, call_value_address_sp64,
8307 call_value_symbolic_sp64, branch_sp32, branch_sp64,
8308 flush_register_windows, goto_handler_and_restore,
8309 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
8310 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
8311 return_addsi, return_di, return_adddi, return_sf, all call+jump
8312 peepholes, trap, unnamed trap insns): Prettify output strings.
8313 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
8314 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
8315 Likewise and force + implement splits for integer cases.
8316 (define_insn return_sf_no_fpu): Likewise and allow to match when
8317 no-fpu because of our subreg SFmode splits.
8318 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
8319 zero_extendqidi2_insn, zero_extendhidi2_insn,
8320 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
8321 input_operand for second operand.
8322 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
8323 reg_or_0_operand for operand 2 so new splits can use it.
8324 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
8325 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
8327 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
8328 CONST_DOUBLEs for operand 2.
8329 (define_insn move_label_di): Likewise and label distance
8330 optimization because it no longer works with new deferred case
8331 vector scheme. To be revisited.
8332 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
8333 and allow reg_or_0_operand and J constraint for second operand.
8334 (define_insn jump): Set branch predict taken on V9.
8335 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
8336 new deferred case vector scheme.
8337 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
8338 (define_insn negdi2_sp32): Force + implement splits.
8339 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
8340 one_cmplsi2_not_liveg0 respectively, and create expander of original
8341 names which emit special rtl for TARGET_LIVE_G0.
8342 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
8343 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
8344 gen_compare_reg, FAIL instead.
8345 (define_insn sgtu, sleu): Likewise and check gen_s*() return
8346 values when trying to reverse condition codes, if they FAIL then
8348 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
8349 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
8350 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
8351 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
8352 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
8353 set output string to # to indicate they are mandatory splits.
8354 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
8355 pic_sethi_di, move_pic_label_si): Remove.
8356 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
8357 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
8359 (define_expand movsi_pic_label_ref, define_insn
8360 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
8361 expander and insns to handle PIC label references and deferred
8363 (define_insn get_pc_via_rdpc): Comment out as it is no longer
8365 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
8366 Rewrite to not use emit_move_sequence, make use of new constant
8367 formation code, and new splits for all multi-insn cases.
8368 (define_insn movqi_insn): Remove sethi case, it can never happen.
8369 Use reg_or_zero_operand instead of const0_rtx explicit test,
8370 use input_operand instead of move_operand for source, and use
8371 general_operand now for dest.
8372 (define_insn movhi_insn): Similar but leave sethi case.
8373 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
8374 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
8375 movhi_lo_sum respectively, prettify output string.
8376 (define_insn movsi_zero_liveg0): New pattern to put zero into a
8377 register when needed on TARGET_LIVE_G0.
8378 (define_insn movsi_insn): Use general_operand and input_operand
8379 for dest and src respectively. Simplify applicability test.
8380 Prettify output strings, and add clr alternative for J
8382 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
8383 deprecated std and reg-reg DI moves): Remove and...
8384 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
8385 implementation which uses forced splits for all non-single insn
8387 (define_split DI move cases on !arch64): New splits to handle all
8388 situations of 64-bit double register DImode on 32bit, and
8389 unaligned registers and memory addresses for all subtargets.
8390 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
8392 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
8393 input_operand for dest and src respectively, prettify output
8395 (define_insn movdf_insn, movdf_no_e_insn, store_df,
8396 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
8398 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
8399 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
8400 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
8401 movtf_no_e_insn_sp64) Replace with new
8402 implementation which uses forced splits for all non-single insn
8404 (define_split DF move cases): New splits in similar vein to DI
8406 (define_insn sethi_di_medlow, sethi_di_medium_pic,
8407 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
8408 movdi_sp64_insn): Remove old v9 code model and constant loading
8410 (define_insn pic_lo_sum_di, pic_sethi_di,
8411 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
8412 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
8413 embmedany_sethi, embmedany_losum, embmedany_brsum,
8414 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
8415 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
8416 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
8417 scheme, using unspecs, secondary reloads, and one to one sparc
8418 insn to rtl insn mapping for better scheduling and code gen.
8419 (define_expand reload_indi, reload_outdi): Reload helpers for
8420 MEDANY and EMBMEDANY symbol address loading cases which require a
8422 (define_expand movsicc): Remove v8plus_regcmp cases.
8423 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
8424 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
8425 cmp_diqi_trunc_set): New patterns used by some of the new scc
8427 (define_insn xordi3_sp64_dbl): New pattern used for constant
8428 formation when crossing from 32-bit targets.
8429 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
8431 (define_insn addx, subx): Make visible and prettify.
8432 (define_insn adddi3_insn_sp32): Likewise and force split.
8433 (define_insn addx_extend, subx_extend, unnamed): New patterns for
8434 64bit scc split usage.
8435 (define_insn unnamed plusDI zero_extend, unnamed minusDI
8436 zero_extend, subdi3): Force and implement splits.
8438 * final.c (final_scan_insn): Don't output labels if target
8439 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
8442 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
8443 don't forget to walk inside SEQUENCESs too as these are what the
8444 delay slot scheduler will create.
8446 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
8448 * alpha.md (extxl+1,+2): New patterns to work around
8451 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
8453 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
8454 caused bad assembly code to be generated.
8456 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
8458 * netbsd.h: Fix typo.
8460 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
8462 * config.sub: Fix typo.
8464 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
8466 * invoke.texi (Environment Variables): Typo: Change "ascpects"
8468 (Running Protoize): Typo: Change "ther" into "other".
8470 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
8472 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
8473 * m68k/netbsd.h: Likewise.
8474 * ns32k/netbsd.h: Likewise.
8475 * sparc/netbsd.h: Likewise.
8477 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
8479 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
8480 * ginclude/va-clipper.h (va_list): Likewise.
8482 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
8484 * rs6000.c (rs6000_override_options): If big endian and -Os, use
8485 load/store multiple instructions unless user overrides.
8487 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
8489 * ns32k/netbsd.h: Fix typo.
8491 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
8493 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
8494 labels with .debugsym if no parallel insns.
8496 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
8498 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
8499 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
8501 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
8503 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
8504 (AR_FOR_TARGET): Define.
8506 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
8508 * dyn-string.h: New file.
8509 * dyn-string.c: Likewise.
8510 * Makefile.in (OBJS): Add dyn-string.o.
8511 (dwarf2out.o): Add dyn-string.h dependency.
8512 (dyn-string.o): List dependencies.
8513 * dwarf2out.c: Include dyn-string.h.
8514 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
8515 (addr_const_to_string): Take a dyn_string_t, not a char* as a
8516 prototype. Use dyn_string_append rather than strcat, throughout.
8517 (addr_to_string): Use dyn_string_t.
8519 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
8521 Function entry/exit profiling instrumentation:
8522 * expr.h (profile_function_entry_libfunc,
8523 profile_function_exit_libfunc): Declare new variables.
8524 * optabs.c: Define them here.
8525 (init_optabs): Initialize them.
8526 * tree.h (struct tree_decl): New flag
8527 no_instrument_function_entry_exit.
8528 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
8529 * c-decl.c (duplicate_decls): Merge it.
8530 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
8531 (init_attributes): Use it for "no_instrument_function".
8532 (decl_attributes): Handle it, for functions that have not yet been
8533 compiled. Set decl flag.
8534 * flags.h (flag_instrument_function_entry_exit): Declare new
8536 * toplev.c (flag_instrument_function_entry_exit): Define it here.
8537 (f_options): New option "instrument-functions".
8538 * function.h (struct function): New field instrument_entry_exit.
8539 * function.c (current_function_instrument_entry_exit): New
8541 (push_function_context_to, pop_function_context_from): Save and
8543 (expand_function_start): Set current_ variable, maybe emit return
8544 label and entry profile call.
8545 (expand_function_end): Maybe emit exit profile call.
8547 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
8549 * i386.md (movqi): When optimizing a load of (const_int 1) into a
8550 NON_QI_REG_P, pretend the register is SImode.
8552 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
8554 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
8555 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
8556 manufacturer id for ns32k.
8557 * configure: Regenerated.
8558 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
8559 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
8560 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
8561 * config/m68k/netbsd.h: Same.
8562 * config/ns32k/netbsd.h: Same.
8563 * config/sparc/netbsd.h: Same.
8565 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
8567 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
8568 or UNROLL_COMPLETELY loop that starts with a jump to its
8571 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
8573 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
8574 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
8575 (print_operand, case 'B'): Don't fall through.
8576 (print_operand, case 'S'): Correct mask begin/end computation.
8577 Use HOST_BITS_PER_WIDE_INT.
8578 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
8579 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
8580 * rs6000/aix41.h (CPP_PREDEFINES): Same.
8581 * rs6000/aix43.h (CPP_PREDEFINES): Same.
8583 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
8585 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
8586 constraint from second alternative.
8588 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8590 * configure.in: Fix --without/--disable cases for local-prefix,
8591 gxx-include-dir and checking.
8593 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8595 * configure.in (enable_haifa): Set by default for sparc64 too.
8598 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8600 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
8601 * i386/winnt.c (associated_type): New fn.
8602 (i386_pe_valid_type_attribute_p): New fn.
8603 (i386_pe_check_vtable_importexport): Remove.
8604 (i386_pe_dllexport_p): Use associated_type.
8605 (i386_pe_dllimport_p): Likewise.
8607 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
8608 * i386.c (i386_valid_type_attribute_p): Also accept
8609 attributes for METHOD_TYPEs.
8611 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
8613 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
8615 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
8617 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
8619 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
8620 them from generating a new base name for each occurence of
8623 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
8625 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
8627 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
8631 * cplus-dem.c (type_kind_t): New type.
8632 (demangle_template_value_parm): Add type_kind_t parameter. Rely
8633 on this paramter, rather than demangling the type again.
8634 (demangle_integral_value): Pass tk_integral.
8635 (demangle_template_: Pass the value returned from do_type.
8636 (do_type): Return a type_kind_t. Pass tk_integral to
8637 demangle_template_value_parm for array bounds.
8638 (demangle_fund_type): Likewise.
8640 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
8642 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
8645 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
8647 * pa.c (move_operand): Accept CONSTANT_P_RTX.
8649 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
8651 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
8653 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
8656 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
8658 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
8659 (DEBUGGER_ARG_OFFSET): Likewise.
8661 * mn10300.md (movsf): Remove last change. Not needed.
8663 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
8665 * c-lex.c (yylex): Fix boundary conditions in character literal and
8666 string literal loops.
8668 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
8670 * longlong.h (count_leading_zeros): Sparclite scan instruction was
8671 being invoked incorrectly.
8673 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
8674 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
8676 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
8677 * configure.in: Added i[34567]86-*-win32
8678 * config.sub: Ditto.
8679 * configure: Rebuilt.
8681 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
8683 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
8684 the frame pointer and compiling PIC code and reload has not completed.
8686 * i386.c (output_to_reg): Add code to emulate non-popping DImode
8689 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
8691 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
8693 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8695 * Makefile.in (install-info): Only try to update the info
8696 directory file if it exists in the first place.
8698 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
8700 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
8702 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
8704 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
8705 CONST_DOUBLE source.
8707 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
8709 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
8710 strings as the insertion of USER_LABEL_PREFIX.
8711 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
8713 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
8716 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
8718 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
8719 already defined type.
8721 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
8723 * expr.c (check_max_integer_computation_mode): Allow conversions
8724 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
8725 (expand_expr): Likewise.
8727 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8729 * expr.c (expand_expr): Expand RETURN_EXPR.
8731 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
8733 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
8735 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
8737 * dwarf2out.c (output_aranges): Call stripattributes
8738 for TEXT_SECTION references.
8739 (output_line_info): Likewise.
8741 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8743 * profile.c (branch_prob): Call allocate_reg_info after outputting
8744 profile rtl in instrument_arcs.
8746 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
8748 * fixinc.irix (math.h): Install wrapper instead of copying.
8750 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8752 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
8753 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
8754 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
8755 lang_flag_0. Added documentation in the flag table.
8757 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
8759 * cccp.c (do_include): Fix vax c style include handling.
8761 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
8763 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
8765 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
8767 * fold-const.c (non_lvalue): Don't deal with null pointer
8769 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8771 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
8773 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
8774 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
8775 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
8776 (u_short_cint_operand): Same.
8777 (reg_or_cint_operand): Same.
8778 (logical_operand): Same.
8779 (input_operand): Same.
8780 (reg_or_short_operand): Use u_short_cint_operand.
8782 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
8784 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
8785 but keep the insns and splits. Adjust so when the ultimate destination
8786 is memory, use cvtql.
8788 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
8790 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
8792 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
8794 * gcc.c (do_spec): Call "error" not "warning".
8796 * configure.in: Fix minor problems with gas feature detection code.
8797 * configure: Rebuilt.
8799 * gcc.c (do_spec): Issue a warning for '%[]' usage.
8802 * gcc.c: Delete %[spec] support.
8803 (do_spec_1, case '('): Likewise.
8804 (do_spec_1, case '['): Call error.
8806 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
8808 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
8809 (CPP_SUBTARGET_SPEC): Default to empty string.
8810 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
8811 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
8812 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
8813 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
8815 * alpha/linux.h (CPP_PREDEFINES): Tidy.
8816 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
8817 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
8818 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
8819 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
8820 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
8821 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
8822 * alpha/vxworks.h: Likewise.
8824 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
8826 * mips.md (reload_outsi): Added missing REGNO call.
8827 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
8829 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
8830 another match_operator and compare the codes.
8832 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
8834 * MIPS multiply pattern fixes:
8835 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8836 Add union classes for HI, LO, or HILO plus general registers.
8837 (GENERATE_MADD): Deleted.
8838 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
8839 Add TARGET_MAD to condition.
8840 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
8841 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
8842 "*d" for accumulator, to give preference to LO initially but not
8845 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
8847 * configure.in (enable_c_mbchar): New configure option.
8848 (extra_cpp_objs): Always available now.
8850 * cexp.y (mbchar.h): #include it.
8851 (yylex): Handle Multibyte characters in character literals.
8853 * cccp.c (mbchar.h): #include it.
8854 (main): Set character set based on LANG environment variable.
8855 (rescan): Handle multibyte characters in comments.
8856 (skip_if_group): See above.
8857 (validate_else): See above.
8858 (skip_to_end_of_comment): See above.
8859 (macarg1): See above.
8860 (discard_comments): See above.
8861 (rescan): Handle multibyte characters in string and character literals.
8862 (collect_expansion): See above.
8863 (skip_quoted_string): See above.
8864 (macroexpand): See above.
8865 (macarg1): See above.
8866 (discard_comments): See above.
8867 (change_newlines): See above.
8869 * c-lex.c (mbchar.h): #include it.
8870 (GET_ENVIRONMENT): New macro.
8871 (init_lex): Set character set based on LANG environment variable.
8872 (yylex): Handle multibyte characters in character literals.
8873 (yylex): Handle multibyte characters in string literals.
8875 * Makefile.in (mbchar.o): New target.
8876 (cccp$(exeext)): @extra_cpp_objs@ is always available.
8877 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
8879 * mbchar.[ch]: New files for multibyte character handling.
8881 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8883 * jump.c (jump_optimize): When simplifying noop moves and
8884 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
8885 the PUSHes to rewrite in second loop as we did in the first.
8887 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8889 * cplus-dem.c (demangle_nested_args): Make function definition
8890 static to match the prototype.
8892 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
8894 * alloca.c: Respect USE_C_ALLOCA.
8895 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
8896 * gengenrtl.c (xmalloc): Likewise.
8898 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
8900 * loop.h (struct induction): Add no_const_addval.
8901 * loop.c (the_movables, reg_address_cost): New variables.
8902 (init_loop): Init reg_address_cost.
8903 (loop_optimize): Call end_alias_analysis.
8904 (scan_loop): Init the_movables.
8905 (record_giv): Init induction->no_const_addval.
8906 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
8907 [REG]: Rearrange loop search test to catch more cases.
8908 (general_induction_var): Return success not benefit; take an extra
8909 argument for that. Change all callers.
8910 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
8911 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
8912 [default]: Search the_movables for additional combinations.
8913 (sge_plus_constant, sge_plus): New functions.
8914 (express_from_1): New function.
8915 (express_from): Always define. Rewrite using express_from_1.
8916 (combine_givs_p): Handle more cases. Ignore address cost.
8917 (cmp_combine_givs_stats): New function.
8918 (combine_givs_used_once, combine_givs_benefit_from): New functions.
8919 (combine_givs): Rewrite to do best-fit combination.
8921 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
8922 (fold): Do a complete (A*C)+(B*C) association check.
8924 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
8926 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
8928 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
8930 * mn10300.c (MODES_TIEABLE_P): Fix typo.
8932 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
8934 * tree.c (valid_machine_attribute): Only create a new type variant if
8935 there is a decl to use it.
8937 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
8939 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
8942 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
8944 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
8947 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
8949 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
8950 Simplify tests for clearing an address register.
8951 (expand_prologue): Corresponding changes.
8953 * mn10300.md (movXX patterns): Make sure the destination is an
8954 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
8955 (logical patterns): Split into expanders + patterns
8956 (zero and sign extension patterns): Similarly.
8957 (shift patterns): Similarly.
8959 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
8961 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
8962 for the sequence, recording base values.
8964 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
8966 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
8968 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
8970 * gcc.c: Remove ANSI-C ism from --help code.
8972 * toplev.c: Support --help with USE_CPPLIB.
8974 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
8976 * configure.in: Rework gas feature code to work with symlink based
8979 * extend.texi: Clarify some issues related to local variables
8980 assigned to explicit registers.
8982 * mn10300.md (mulsi): Turn into expander + pattern.
8984 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
8987 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
8989 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
8991 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
8993 * version.c: Bump again to distinguish mainline tree from the
8996 See ChangeLog.0 for earlier changes.
8999 add-log-time-format: current-time-string