1 Tue Jan 12 10:23:24 1999 Stan Cox <scox@cygnus.com>
3 * mips.md (call_value_internal3c): New pattern for -mips16 -mlong-calls.
5 1999-01-12 Manfred Hollstein <manfred@s-direktnet.de>
7 * m68k/mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
8 ensure all prototypes necessary for building libio will be available.
9 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Remove
10 definitions here as they are not host specific.
11 * m88k/sysv3.h, m88k/xm-sysv3.h: Likewise.
13 Tue Jan 12 02:53:46 1999 Richard Henderson <rth@cygnus.com>
15 * cse.c (cse_insn): Never prefer (const (constant_p_rtx)).
17 Tue Jan 12 02:36:10 PST 1999 Jeff Law (law@cygnus.com)
19 * version.c: Bump for snapshot.
21 Tue Jan 12 01:30:19 1999 Richard Henderson <rth@cygnus.com>
23 * rtl.c (rtx_alloc): Use memset instead of inline loop.
25 * recog.h (recog_op_alt): Declare extern.
27 Tue Jan 12 00:23:31 1999 Richard Henderson <rth@cygnus.com>
29 * function.c (purge_addressof_1): If the note accesses a mem+addressof
30 in a wider mode than any replacement, adjust the cached replacement.
31 Cache trivial substitutions as well.
33 Tue Jan 12 00:06:00 1999 Richard Henderson <rth@cygnus.com>
35 * Makefile.in (OBJECTS): Add sbitmap.o.
36 (BASIC_BLOCK_H): Add sbitmap.h.
37 * basic-block.h: Move simple bitmap code to sbitmap.h.
38 * flow.c: Move simple bitmap code to sbitmap.c
39 * sbitmap.h, sbitmap.c: New files.
41 Mon Jan 11 23:51:50 1999 Richard Henderson <rth@cygnus.com>
43 * alpha.h (TARGET_SWITCHES): Document switches.
44 (TARGET_OPTIONS): Likewise.
46 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Use HOST_WIDE_INT_PRINT_DEC.
48 Mon Jan 11 22:54:14 1999 Richard Henderson <rth@cygnus.com>
50 * tree.c (new_alias_set): Return zero if !flag_strict_aliasing.
52 Mon Jan 11 22:36:01 1999 Richard Henderson <rth@cygnus.com>
54 * basic-block.h (basic_block_head): Rename to x_basic_block_head.
55 (basic_block_end): Rename to x_basic_block_end.
56 (BLOCK_HEAD, BLOCK_END): Update.
58 * caller-save.c: Change basic_block_head/end references to
60 * combine.c, flow.c, function.c, gcse.c, global.c: Likewise.
61 * graph.c, haifa-sched.c, local-alloc.c, regclass.c: Likewise.
62 * regmove.c, reload1.c, reorg.c, sched.c: Likewise.
64 Sat Jan 9 23:54:09 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
66 * gcc.c (xstrerror): Renamed from my_strerror. All callers
67 changed. Remove prototype since we get that from libiberty.h.
69 * protoize.c (xstrerror): Likewise.
71 Sat Jan 9 23:22:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
73 * gcc.c (read_specs): Ensure format specifiers match their arguments.
75 Sat Jan 9 20:04:24 1999 Richard Henderson <rth@cygnus.com>
77 * tree.c (copy_node): Oops. That would be copy not zero
80 Sun Jan 10 15:35:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
82 * config/c4x/c4x.c: Include system.h.
83 (c4x_caller_save_map): Disable caller save for RC.
84 (c4x_optimization_options): Disable scheduling before reload.
85 (valid_parallel_load_store) : Define return type as int.
86 Remove unused variable regs.
87 * config/c4x/c4x.h (REGISTER_MOVE_COST): Make independent of register
89 * config/c4x/c4x.md (rotlqi3, rotrqi3): Fix up emitted RTL to
91 (*db, decrement_and_branch_until_zero): Fix up constraints
94 Sat Jan 9 18:35:29 1999 Richard Henderson <rth@cygnus.com>
96 * tree.c (make_node): Call bzero instead of inline clear.
97 (copy_node, make_tree_vec, build1): Likewise.
98 (get_identifier): Call strlen instead of inline count.
99 (maybe_get_identifier): Likewise.
101 Sun Jan 10 14:04:51 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
103 * config/c4x/c4x.md: (in_annul_slot_3): Allow unarycc and binarycc
104 operations in 3rd annulled delay slot.
105 (*lshrqi3_const_set): Disallow c constraint for operand0.
106 (modhi3+1, modhi3+2): Set attribute type to multi.
107 * config/c4x/c4x.c (c4x_S_constraint): Removed space in middle of
110 Sat Jan 9 11:44:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
112 * gansidecl.h: Allow attribute unused on labels only when we are
113 version 2.93 or higher. Not all versions of 2.92 have this feature.
115 * version.c: Bump minor number to 93.
117 Fri Jan 8 10:51:13 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
119 * config/m68k/m68k.h: Declare output_function_epilogue.
120 * recog.h: Declare next_insn_tests_no_inequality.
122 Fri Jan 8 01:43:53 1999 Jeffrey A Law (law@cygnus.com)
124 * stmt.c (optimize_tail_recursion): New function, extracted from ...
125 (expand_return): Use optimize_tail_recursion.
126 * tree.h (optimize_tail_recursion): Declare.
128 * toplev.c (compile_file): Move call to output_func_start_profiler
129 to after the loop to emit deferred functions.
131 Thu Jan 7 19:52:53 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
133 * system.h (abort): Supply more detailed information on how to
134 report an Internal Compiler Error.
136 Thu Jan 7 11:26:17 1999 Mark Mitchell <mark@markmitchell.com>
138 * calls.c (store_unaligned_arguments_into_pseudos): Use xmalloc to
139 allocate memory that will live beyond this function.
140 (expand_call): Free it here.
142 Thu Jan 7 03:08:17 1999 Richard Henderson <rth@cygnus.com>
144 * sparc.h (PREFERRED_RELOAD_CLASS): Select GENERAL_REGS for
145 integer data not destined for fp regs.
146 (LEGITIMIZE_RELOAD_ADDRESS): New.
148 Thu Jan 7 03:03:42 1999 Stan Cox <scox@cygnus.com>
149 Richard Henderson <rth@cygnus.com>
151 Support for Hypersparc and Sparclite86x:
152 * sparc.h (TARGET_CPU_hypersparc, TARGET_CPU_sparclite86x): New.
153 (CPP_CPU32_DEFAULT_SPEC): Fix up for the new targets.
154 (ASM_CPU32_DEFAULT_SPEC): Likewise.
155 (TARGET_CPU_DEFAULT): Likewise.
156 (enum processor_type): Likewise.
157 (CPP_ENDIAN_SPEC): Handle little endian data.
158 (LIBGCC2_WORDS_BIG_ENDIAN): Likewise.
159 (ADJUST_COST): Call sparc_adjust_cost.
160 * sparc.c (sparc_override_options): Fix up for the new targets.
161 (supersparc_adjust_cost): Make static.
162 (hypersparc_adjust_cost): New.
163 (ultrasparc_adjust_cost): Make static.
164 (sparc_adjust_cost): New.
165 * sparc.md (attr cpu): Add hypersparc and sparclite86x.
166 (function_unit): Add hypersparc scheduling rules.
168 * configure.in (with_cpu handler): Recognize hypersparc.
170 Thu Jan 7 23:54:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
172 * config/c4x/c4x.c: Added space after negation operator.
173 * config/c4x/c4x.h: Likewise.
174 * config/c4x/c4x.md: Likewise.
176 Thu Jan 7 23:39:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
178 * config/c4x/c4x.c (c4x_preferred_reload_class): Always return class.
180 Thu Jan 7 00:29:25 199 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
182 * combine.c (num_sign_bit_copies): In NEG, MULT, DIV and MOD cases,
183 when a test can't be performed due to limited width of
184 HOST_BITS_PER_WIDE_INT, use the more conservative approximation.
185 Fix UDIV case for cases where the first operand has the highest bit
188 Thu Jan 7 00:01:38 1999 Lutz Vieweg <lkv@mania.robin.de>
190 * pa.h (reg_class): Add FPUPPER_REGS.
191 (REG_CLASS_NAMES): Similarly.
192 (REG_CLASS_CONTENTS): Similarly
193 (REGNO_REG_CLASS): Handle FPUPPER_REGS.
194 (FP_REG_CLASS_P): Likewise.
195 (REG_CLASS_FROM_LETTER): Similarly.
196 (CLASS_MAX_NREGS): Similarly.
198 1999-01-06 Brendan Kehoe <brendan@cygnus.com>
200 * fixincludes: For HP/UX 10.20, also look in curses_colr/curses.h
201 for a typedef of bool. Make sure to have a copy of the file is
202 in place before we look to fix it. Fix typo in variable name to
205 Wed Jan 6 07:51:05 1999 Richard Henderson <rth@cygnus.com>
207 * expr.c (expand_builtin) [case BUILT_IN_CONSTANT_P]: Use
208 value_mode for the return mode.
210 Wed Jan 6 17:55:19 1999 Robert Lipe <robertlipe@usa.net>
212 * configure.in: New flag --with-dwarf2. If set, enables DWARF-2
213 debugging as default.
215 * config/tm-dwarf2.h: New file.
217 Wed Jan 6 16:08:54 1999 Jeffrey A Law (law@cygnus.com)
219 * h8300.h (ASM_OUTPUT_LABELREF): Define.
221 * pa.h (DONT_RECORD_EQUIVALENCE): Kill.
222 * local-alloc.c (update_equiv_regs): Corresponding changes.
223 * tm.texi (DONT_RECORD_EQUIVALENCE): Kill.
225 * calls.c (special_function_p): Push alloca test inside the large
226 conditional which excludes functions not at file scope or not
229 * calls.c (special_function_p): New function broken out of
231 (precompute_register_parameters): Likewise.
232 (store_one_arg): Likewise.
233 (store_unaligned_argumetns_into_pseudos): Likewise.
234 (save_fixed_argument_area): Likewise.
235 (restore_fixed_argument_area): Likewise.
236 (expand_call): Corresponding changes.
238 Wed Jan 6 10:43:29 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
240 * config/m68k/m68k.c (const_uint32_operand): Remove CONSTANT_P_RTX
242 (const_sint32_operand): Likewise.
244 Wed Jan 6 09:44:51 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
246 * toplev.h: In addition to checking _JBLEN, also check if `setjmp'
247 is a macro when deciding if we can use `jmp_buf' in prototypes.
249 Thu Jan 7 00:12:24 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
251 * config/c4x/c4x.md (addqi3): If the destination operand is
252 a hard register other than an extended precision register,
253 emit addqi3_noclobber.
254 (*addqi3_noclobber_reload): New pattern added so that reload
255 will recognise a store of a pseudo, equivalent to the sum
256 of the frame pointer and a constant, as an add insn.
258 Wed Jan 6 03:18:53 1999 Mark Elbrecht <snowball3@usa.net.
260 * configure.in (pc-msdosdjgpp): Set x_make to x-go32.
261 * configure: Rebuilt.
262 * i386/xm-go32.h: Define LIBSTDCXX.
264 * i386/go32.h (MD_EXEC_PREFIX): Define.
265 (FILE_NAME_ABSOLUTE_P): Define.
266 (LINK_COMMAND_SPEC): Define.
268 Wed Jan 6 02:23:36 1999 "Charles M. Hannum" <root@ihack.net>
270 * expr.c (store_expr): If the lhs is a memory location pointed
271 to be a postincremented (or postdecremented) pointer, always
272 force the rhs to be evaluated into a pseudo.
274 Wed Jan 6 00:54:21 1999 Geoff Keating <geoffk@ozemail.com.au>
276 * real.c (mtherr): Print more reasonable warning messages.
278 Tue Jan 5 21:57:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
280 * Makefile.in (gcc.o, prefix.o, cccp.o, cpplib.o): Depend on prefix.h.
282 * cccp.c: Include prefix.h, don't prototype prefix.c functions.
283 (new_include_prefix): Constify char* parameters.
285 * cppfiles.c (read_name_map): Likewise.
286 (append_include_chain): Likewise. Also, use a writable char* copy
287 of parameter `dir' which we then modify, rather than using the
288 parameter itself to store the new writable string.
289 (remap_filename): Constify some variables. Also, use a writable
290 char* to store an allocated string which we will be modifying.
292 * cpplib.c: Include prefix.h, don't prototype prefix.c functions.
293 (cpp_start_read): Constify variable `str'.
295 * cpplib.h (append_include_chain): Constify a char* parameter.
297 * gcc.c Include prefix.h, don't prototype prefix.c functions.
298 (add_prefix, save_string): Constify char* parameters.
299 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
301 * prefix.c: Include prefix.h.
302 (get_key_value, translate_name, save_string, update_path,
303 set_std_prefix): Constify various char* parameters and variables.
304 (save_string): Use xmalloc, not malloc.
305 (translate_name): Use a writable temporary variable to create and
306 modify a string before setting it to a const char*.
308 * prefix.h: New file to prototype functions exported from prefix.c.
310 Mon Jan 4 15:37:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
312 * cpplib.c (skip_if_group): Split out the logic that handles
313 directive recognition to its own function. Don't use
314 parse markers; use a bare pointer into the buffer. Use
315 copy/skip_rest_of_line instead of doing it by hand. Remove
316 `return on any directive' mode which was never used, and take
318 (consider_directive_while_skipping): New function, subroutine
319 of skip_if_group. Logic streamlined a bit.
320 (conditional_skip, do_elif, do_else): Call skip_if_group with
323 Mon Jan 4 15:27:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
325 * cpplib.c (do_undef): EOF immediately after '#undef FOO' is not an
328 Mon Jan 4 11:55:51 1999 Jason Merrill <jason@yorick.cygnus.com>
330 * extend.texi (Bound member functions): Document.
332 Mon Jan 4 11:01:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
334 * mips-tdump.c (st_to_string, sc_to_string, glevel_to_string,
335 lang_to_string, type_to_string): Make return type const char*.
336 (print_symbol): Apply `const' keyword to a char*.
337 (print_file_desc): Cast structure member `crfd' to ulong when
338 comparing against one.
340 * mips-tfile.c (pfatal_with_name): Apply `const' keyword to char*.
341 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
342 (progname, input_name): Apply `const' keyword to a char*.
343 Don't redundantly include sys/stat.h.
344 (alloc_info): Apply `const' keyword to a char*.
345 (st_to_string, sc_to_string): Likewise.
346 (hash_string): Cast variable `hash_string' to a symint_t when
347 comparing against one.
348 (add_string): Cast PAGE_USIZE to Ptrdiff_t when comparing against one.
349 Likewise cast it to long when comparing against one.
350 (add_local_symbol): Apply `const' keyword to a char*.
351 (add_ext_symbol): Likewise.
352 (add_unknown_tag): Likewise.
353 (add_procedure): Cast a printf-style field width to an int.
354 (add_file): Cast PAGE_USIZE to long when comparing against one
355 (parse_begin): Cast a printf-style field width to an int.
356 (parse_bend): Likewise.
357 (parse_def): Likewise.
358 (parse_end): Likewise.
359 (mark_stabs): Mark parameter `start' with ATTRIBUTE_UNUSED.
360 (parse_stabs_common): Fix format specifier.
361 (parse_input): Change type of variable `i' to Size_t.
362 (write_object): Fix arguments to match format specifiers.
363 Cast variable `num_write' to long when comparing against one.
364 (read_seek): Cast variable `sys_read' to symint_t when comparing
365 against one. Fix arguments to match format specifiers. Cast
366 variable `size' to long when comparing against one.
367 (copy_object): Cast result of `sizeof' to int when comparing
368 against one. Fix arguments to match format specifiers. Cast
369 variable `ifd' to long when comparing against a signed value.
372 Mon Jan 4 10:30:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
374 * c-common.c (decl_attributes): Allow applying attribute `unused'
377 * c-parse.in (label): Parse attributes after a label, and call
378 `decl_attributes' to handle them.
380 * gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
382 * genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
383 generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
385 * invoke.texi: Note that labels can be marked `unused'.
387 Sun Jan 3 23:32:18 PST 1999 Jeff Law (law@cygnus.com)
389 * version.c: Bump for snapshot.
391 Sun Jan 3 23:00:42 1999 Jeffrey A Law (law@cygnus.com)
393 * optabs.c (emit_cmp_and_jump_insns): Use CONSTANT_P canonicalizing
394 RTL for a compare/jump sequence.
396 Sun Jan 3 22:58:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
398 * optabs.c (emit_cmp_insn): Abort if asked to emit non-canonical RTL
399 for a target with HAVE_cc0 defined.
400 (emit_cmp_and_jump_insns): New function.
401 * expr.h (emit_cmp_and_jump_insns): Prototype it.
402 * loop.c (check_dbra_loop): Use it to replace calls
403 to emit_cmp_insn and emit_jump_insn and to canonicalise
404 the comparison if necessary.
405 * unroll.c (unroll_loop): Likewise.
407 Sun Jan 3 21:01:04 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
409 * fixincludes (sys/utsname.h): Provide forward declaration of
410 struct utsname on Ultrix V4.[35].
412 * mips.md (div_trap): Use local labels instead of dot-relative
415 Sun Jan 3 20:40:34 1999 Jeffrey A Law (law@cygnus.com)
417 * pa.md (branch, negated branch): Handle (const_int 0) as first
419 * pa.c (output_cbranch): Likewise.
421 Sun Jan 3 03:20:38 1999 David Edelsohn <edelsohn@mhpcc.edu>
423 * rs6000.c (rs6000_stack_info): Undo spurious part of last
426 1999-01-01 Manfred Hollstein <manfred@s-direktnet.de>
428 * extend.texi (__builtin_constant_p): Add missing @smallexample.
430 Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com)
432 * i386.md (doubleword shifts): Fix dumb mistakes in previous change.
434 Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com)
436 * m68k.md (adddi_dilshr32): Allow all operands to be registers too.
437 (adddi_dishl32): Similarly.
439 * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers
440 for each insn in the skipped block.
442 * reload1.c (reload_as_needed): Verify that the insn satisfies its
443 constraints after replacing a register address with an autoincrement
444 address for reload inheritance purposes.
446 * i386.md (doubleword shifts): Avoid namespace pollution.
448 Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com>
450 * configure.in (FreeBSD ELF): Needs special crt files.
452 Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com>
454 * i386/xm-cygwin.h: change DIR_SEPARATOR to forward slash.
456 1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
458 * loop.c (check_dbra_loop): While reversing the loop, if the
459 comparison value has a VOID mode use the mode of the other operand
462 Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com>
464 * rs6000.md ({save,restore}_stack_function): Take 2 operands to
465 avoid warnings in compiling explow.c.
467 (patch from Ken Raeburn, raeburn@cygnus.com)
468 * rs6000.c (rs6000_stack_info): Force 8-byte alignment of
469 fpmem_offset. Compute total size after that, and then
470 rs6000_fpmem_offset using both values.
472 Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
474 * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
475 the future; indeed that already happens in some cases.
477 Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com>
479 * sparc.c (input_operand): Recognize (const (constant_p_rtx)).
480 (arith_operand): Remove constant_p_rtx handling.
481 (const64_operand, const64_high_operand): Likewise.
482 (arith11_operand, arith10_operand, arith_double_operand): Likewise.
483 (arith11_double_operand, arith10_double_operand, small_int): Likewise.
484 (small_int_or_double, uns_small_int, zero_operand): Likewise.
485 * sparc.h (PREDICATE_CODES): Likewise.
487 * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX.
489 Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>:
491 * rtl.def (CONSTANT_P_RTX): Clarify commentary.
492 * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
493 consider constant CONSTRUCTOR constant and to defer some cases
495 * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
496 * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
498 Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com>
500 * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
501 * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
503 * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling.
504 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
505 (sext_add_operand, and_operand, or_operand): Likewise.
506 (reg_or_cint_operand, some_operand, input_operand): Likewise.
507 * alpha.h (PREDICATE_CODES): Likewise.
509 Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com)
511 * version.c: Bump for snapshot.
513 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
515 * gengenrtl.c (gencode): Always use bzero to clear memory instead
516 of dangerous casts and stores.
518 * Makefile.in (compare, gnucompare): Add missing else true clauses.
520 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
522 * alpha.md (builtin_longjmp): Add missing "DONE".
524 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
526 * gcc.c (execute): Enable -pipe with win32.
528 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
530 * config/arm/t-arm-elf: Add multiplib option for leading
533 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
534 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
536 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
537 than variable 'reload_address_base_reg_class'. [Note this
538 change is unrelated to the others in this patch].
540 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
543 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
545 * alias.c (record_alias_subset): Remove ignored `&'.
546 (init_alias_once): Likewise.
548 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
550 * config/mips/mips.c (mips_asm_file_end): Cast the result of
551 fwrite to `int' when comparing against one.
553 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
554 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
556 * cse.c (rehash_using_reg): Change type of variable `i' to
559 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
562 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
564 * final.c (final_scan_insn): Likewise for variable `i'.
565 (output_asm_insn): Cast a char to unsigned char when used as an
568 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
571 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
573 * recog.c (preprocess_constraints): Cast a char to unsigned char
574 when used as an array index.
576 * regmove.c (find_matches): Likewise.
578 * reload1.c (calculate_needs): Add default case in switch.
579 (eliminate_regs_in_insn): Initialize variable `offset'.
580 (set_offsets_for_label): Change type of variable `i' to unsigned.
581 (reload_as_needed): Wrap variable `i' in macro check on
582 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
584 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
585 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
586 when comparing against one.
588 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
589 unsigned when comparing against one. Likewise for
590 GET_MODE_ALIGNMENT().
591 (layout_record): Cast record_align to int when comparing against a
593 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
596 * tree.c (get_identifier): Cast variable `len' to unsigned when
597 comparing against one.
598 (maybe_get_identifier): Likewise
600 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
602 * toplev.c (rest_of_compilation): Do not set reload_completed.
603 * reload1.c (reload): Set reload_completed before calling
604 cleanup_subreg_operands.
606 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
608 * reload1.c (emit_reload_insns): Check `set' not null before use.
610 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
612 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
615 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
617 * halfpic.c (half_pic_encode): Delete redundant code.
619 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
621 * toplev.c (main): Delete handling of -dM as a preprocessor
624 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
626 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
627 -dI, which are handled by the preprocessor.
629 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
631 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
632 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
634 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
636 * version.c: Bump for snapshot.
638 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
640 * version.c: Bump for snapshot.
642 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
644 * version.c: Bump for snapshot.
646 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
648 * genattr.c (fatal): Qualify a char* with the `const' keyword.
650 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
651 write_unit_name, write_eligible_delay, expand_units,
652 make_length_attrs, write_attr_case, find_attr,
653 make_internal_attr): Likewise.
654 * gencheck.c (tree_codes): Likewise.
655 * gencodes.c (fatal): Likewise.
656 * genconfig.c (fatal): Likewise.
657 * genemit.c (fatal): Likewise.
658 * genextract.c (fatal, walk_rtx, copystr): Likewise.
659 * genflags.c (fatal): Likewise.
660 * genopinit.c (fatal, optabs, gen_insn): Likewise.
661 * genoutput.c (fatal, error, predicates): Likewise.
662 * genpeep.c (fatal): Likewise.
663 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
664 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
666 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
668 * configure.in (with-fast-fixincludes): Fix whitespace.
669 * configure: Rebuilt.
671 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
672 asm() etc. function declarations in __DECC.
674 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
676 * expr.c (emit_move_insn_1): Only emit a clobber if the target
677 is a pseudo register.
679 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
681 * gcse.c: Include expr.h in order to get the prototype for
682 get_condition() which is used in delete_null_pointer_checks().
684 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
686 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
688 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
690 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
691 (ALL_CFLAGS): Delete SCHED_CFLAGS.
693 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
695 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
698 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
700 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
701 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
702 optimizations from the combiner.
704 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
706 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
708 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
710 * toplev.c (main): Disable optimize_size if a specific
711 optimization level is requested. Always set optimization
712 level to 2 if -Os is specified.
714 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
716 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
718 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
719 initialize it using fname.
721 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
723 * cpplib.c (do_include): Treat #include_next in the
724 primary source file as #include plus warning. Treat
725 #include_next in a file included by absolute path as an
726 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
728 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
730 * cccp.c: Don't define MIN/MAX anymore.
731 * cpplib.c: Likewise.
732 * machmode.h: Likewise.
733 * system.h: Provide definitions for MIN/MAX.
735 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
737 * fix-header.c: Don't define xstrdup here.
739 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
741 * loop.c (consec_sets_giv): New argument last_consec_insn.
742 (strength_reduce): Provide / use it.
744 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
746 * loop.h (loop_info): New field 'vtop'.
747 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
748 scanning loop for vtop.
749 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
750 (loop_iterations): Use them to determine if loop has a constant
751 number of iterations. Set loop_info->vtop. Don't subtract
752 common reg term from initial_value and final_value if have a
755 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
757 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
759 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
761 * mn10200.md (abssf2, negsf2): New expanders.
763 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
765 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
767 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
768 replaced by a CONCAT whoes components do not have the same
769 mode as the original SUBREG, use a new SUBREG to restore the
772 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
773 multiword complex values.
775 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
777 * cppalloc.c: Add xstrdup here.
778 * cpplib.h: Remove savestring prototype.
779 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
781 * cppfiles.c: s/savestring/xstrdup/ throughout.
783 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
785 * cpplib.c: Make all directive handlers read their own
787 (struct directive): Remove last two arguments from FUNC
788 member prototype. Remove `command_reads_line' member
790 (directive_table): Remove initializations of
791 command_reads_line flag. Pretty-print.
792 (eval_if_expression, do_define, do_line, do_include,
793 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
794 do_else, do_elif, do_sccs, do_assert, do_unassert,
795 do_warning): Take only two args.
797 (cpp_define): Call do_define with two args and the text to
798 define stuffed into a buffer.
799 (make_assertion): Call do_assert with two args.
800 (handle_directive): Call do_line with two args. Call
801 kt->func with two args. Remove command_reads_line
803 (do_define, do_undef, do_error, do_warning, do_pragma,
804 do_sccs): Read the rest of the line here.
805 (do_ident): Gobble rest of line, as cccp does.
806 (cpp_undef): New function.
807 (cpp_start_read): Call cpp_undef instead of do_undef.
809 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
811 * cpphash.h (union hash_value): Remove `keydef' member, add a
812 `struct hashnode *aschain' member for #assert.
814 * cpplib.c (struct tokenlist_list, struct
815 assertion_hashnode): Delete structure definitions.
816 (assertion_install, assertion_lookup, delete_assertion,
817 check_assertion, compare_token_lists, reverse_token_list,
818 read_token_list, free_token_list): Delete functions.
819 (parse_assertion): New function.
820 (cpp_cleanup): Don't destroy the assertion_hashtable.
822 (do_assert): Gut and rewrite. #assert foo (bar) places
823 entries for `#foo' and `#foo(bar)' in the macro hash table,
824 type T_ASSERT. The value union's `aschain' member is used
825 to chain all answers for a given predicate together.
826 (do_unassert): Also rewritten. Take an un-asserted
827 answer off the chain from its predicate and call
828 delete_macro on the hashnode, or walk a predicate chain
829 calling delete_macro on all the entries.
830 (cpp_read_check_assertion): Simply call parse_assertion to
831 get the canonical assertion name, and look that up in the
834 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
837 * cpphash.c (install): Use bcopy instead of an explicit loop
838 to copy the macro name.
840 * cppexp.c (cpp_lex): Convert the result of
841 cpp_read_check_assertion to a `struct operation' directly;
842 don't go through parse_number.
844 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
846 * loop.h (struct induction): Delete times_used member.
847 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
848 (n_times_used): Rename to n_times_set. Changed all users.
849 (scan_loop): Free reg_single_usage before strength reduction.
850 (record_giv, combine_givs): Remove handling of times_used member.
851 (combine_givs_used_once): Rename to:
852 (combine_givs_used_by_other) . Changed all callers.
854 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
856 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
857 instead of TREE_CODE_CLASS == 't'.
858 (gen_type_die): Likewise.
859 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
861 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
863 * real.c (endian): Disable last change unless
864 HOST_BITS_PER_WIDE_INT is greater than 32.
866 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
868 * output.h (force_data_section): New prototype.
869 * varasm.c (force_data_section): New function to force the
870 data section, regardless of what in_section thinks.
871 * dwarf2out.c (output_call_frame_info): Call force_data_section
872 since varasm may not realize we've changes sections.
874 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
876 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
877 after completeing reload.
879 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
880 deleted after reload.
882 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
884 * rtl.h (multiple_sets): Fix prototype.
885 * rtlanal.c (multiple_sets): Fix return type.
887 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
889 * version.c: Bump for snapshot.
891 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
893 * version.c: Bump for snapshot.
895 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
897 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
899 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
901 * rtl.h (recompute_reg_usage): Add second argument.
902 * flow.c (recompute_reg_usage): Likewise.
903 * toplev.c (rest_of_compilation): Supply second argument to
906 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
909 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
911 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
912 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
913 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
916 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
918 * rtlanal.c (multiple_sets): New function.
919 * rtl.h (multiple_sets): Declare it.
920 * local-alloc.c (wipe_dead_reg): Use it.
921 * global.c (global_conflicts): Likewise.
923 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
925 * global.c (record_conflicts): Don't use an array of shorts to
926 store an array of ints.
927 (global_conflicts): Likewise.
929 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
931 * alpha.c (alpha_expand_block_move): mode_for_size expects
932 bits, not bytes. Infer extra alignment from addressof.
934 1998-12-11 Michael Meissner <meissner@cygnus.com>
936 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
937 .sbss section, not .sdata.
939 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
941 * cccp.c: Do not #include <sys/stat.h> here; this is already done
943 * collect2.c: Likewise.
944 * cpplib.h: Likewise.
947 * getpwd.c: Likewise.
948 * protoize.c: Likewise.
949 * toplev.c: Likewise.
951 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
952 and don't try to define it here.
953 * Makefile.in (cppmain.o): Depend on machmode.h.
954 (cpplib.o): Likewise.
955 (cpperror.o): Likewise.
956 (cppexp.o): Likewise.
957 (cppfiles.o): Likewise.
958 (cpphash.o): Likewise.
959 (cppalloc.o): Likewise.
960 (fix-header.o): Likewise.
961 (scan-decls.o): Likewise.
963 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
965 * sh.c (print_operand): lookup interrupt_handler attribute instead
966 of relying on static variable.
967 * (calc_live_regs): Likewise.
968 * (sh_pragma_insert_attributes): Create interrupt_handler
969 attribute if a pragma was specified
970 * (sh_valid_machine_decl_attribute): Don't set static flag.
971 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
973 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
975 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
976 to determine if a register is live at a jump destination.
977 Everything is dead at a BARRIER.
979 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
981 * cse.c (simplify_unary_operation): Sign-extend constants when
982 they have the most significant bit set for the target.
983 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
985 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
986 HOST_WIDE_INT temporary before negating it.
987 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
989 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
991 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
994 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
996 * collect2.h: New header file for prototypes.
998 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
1000 * collect2.c: Include collect2.h.
1001 * tlink.c: Likewise.
1003 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
1005 * flow.c: Update some comments.
1007 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
1009 * objc/objc-act.c (cpp_initialized): Removed.
1010 (lang_init_options): Initialize cpplib.
1011 (lang_decode_option): Move initialization of cpplib to
1013 * c-lang.c: (parse_options,parse_in): Added.
1014 (lang_init_options): Initialized cpplib here.
1015 * c-decl.c (parse_options,cpp_initialized): Removed.
1016 (c_decode_option): Move initialization of cpplib to
1019 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1021 * reload1.c (reload_combine, reload_combine_note_store):
1022 Make STORE_RUID always valid.
1023 (reload_combine): Check if BASE is clobbered too early.
1025 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
1027 * reload.c (find_reloads): Display the insn that cannot be
1030 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
1032 * cccp.c (create_definition): Fix end of bufer logic.
1034 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1036 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
1037 pointer parameters changed to use the PARAMS() macro.
1039 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1041 * except.h (struct handler_info): Add handler_number field.
1042 * except.c (gen_exception_label): EH labels no longer need to be
1043 on the permanent obstack.
1044 (get_new_handler): Set the label number field.
1045 (output_exception_table_entry): Regenerate handler label reference
1046 from the label number field.
1047 (init_eh): Remove a blank line.
1048 * integrate.c (get_label_from_map): Labels no longer need to be
1049 on the permanent obstack.
1051 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
1053 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
1054 only when OUTER_CODE is SET.
1056 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1058 * loop.c (strength_reduce): If scan_start points to the loop exit
1059 test, be wary of subversive use of gotos inside expression statements.
1060 Don't set maybe_multiple for a backward jump that does not
1061 include the label under consideration into its range.
1062 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
1064 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1066 * explow.c (plus_constant_wide): Don't immediately return with
1067 result of recursive call.
1069 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1071 * eh-common.h (struct eh_context): Add table_index for rethrows.
1073 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
1074 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
1075 processed when inlined or unrolled (ie duplicated in some way).
1077 * rtl.c (reg_note_name): Add strings for new reg_note enums.
1079 * expr.h (rethrow_libfunc): New library decl.
1081 * optabs.c (rethrow_libfunc): Initialize.
1083 * except.h (struct eh_entry): Add new field 'rethrow_label'.
1084 (new_eh_region_entry): No longer exported from except.c.
1085 (duplicate_handlers): Renamed to duplicate_eh_handlers and
1086 different prototype.
1087 (rethrow_symbol_map, rethrow_used): New exported functions.
1088 (eh_region_from_symbol): New exported function.
1090 * except.c (create_rethrow_ref): New function to create a single
1091 SYMBOL_REF for a rethrow region.
1092 (push_eh_entry): Initialize a rethrow ref.
1093 (func_eh_entry): Add a rethrow_label field.
1094 (new_eh_region_entry): Make static, and initialize the rethrow entry.
1095 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
1096 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
1097 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
1098 a region into an appropriate new symbol.
1099 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
1100 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
1101 (end_catch_handler): Emit a barrier for new-exceptions since
1102 control can never drop through the end of a catch block.
1103 (expand_end_all_catch): new-exceptions never fall through a catch
1105 (expand_rethrow): use __rethrow routine for new exceptions.
1106 (output_exception_table_entry): Generate rethrow labels, if needed.
1107 (output_exception_table): Generate start and end rethrow labels.
1108 (init_eh): Create rethrow symbols for beginning and end of table.
1109 (scan_region): Don't eliminate EH regions which are the targets of
1112 * flow.c (make_edges): Add different edges for rethrow calls,
1113 identified by having the REG_EH_RETHROW reg label.
1114 (delete_unreachable_blocks): Don't delete regions markers which are
1115 the target of a rethrow.
1117 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
1118 allow save_for_inline_copying to call duplicate_eh_handlers.
1119 (save_for_inline_copying): Call duplicate_eh_handlers instead of
1120 exposing internal details of exception regions.
1121 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
1122 (expand_inline_function_eh_labelmap): New callback routine to
1123 allow expand_inline_function to call duplicate_eh_handlers.
1124 (expand_inline_function): Call duplicate_eh_handlers instead of
1125 exposing internal details of exception regions.
1126 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
1129 * libgcc2.c (find_exception_handler): Generalize to enable it to
1130 pick up processing where it left off last time for a rethrow.
1131 (__unwinding_cleanup): New function. debug hook which is called before
1132 unwinding when __throw finds there is nothing but cleanups left.
1133 (throw_helper): Common parts of __throw extracted out for reuse.
1134 (__throw): Common parts moved to throw_helper.
1135 (__rethrow): New function for performing rethrows.
1137 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
1139 * reload1.c (current_function_decl): Tweak declaration.
1141 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
1143 * c-decl.c (flag_isoc9x): Default off.
1144 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
1145 * cccp.c (print_help, main): Likewise.
1146 * gcc.c (default_compilers): Update for -std=gnu*.
1148 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
1150 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
1151 * demangle.h: Deleted.
1153 * reload1.c (current_function_decl): Declare.
1155 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1157 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
1159 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1161 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
1163 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
1165 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
1167 * configure: Rebuilt.
1168 * system.h: If the *_unlocked functions are available use them
1169 instead of the locked counterparts by defining macros.
1170 * config.in: Regenerated.
1172 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
1174 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
1175 wrong and should only be used for dump related things, not
1176 debugging information, instead main_input_filename should be used.
1177 Also, reuse output_file_directive if possible.
1178 * i386/aix386ng.h (ASM_FILE_START): Likewise.
1179 * i386/isc.h (ASM_FILE_START): Likewise.
1180 * i386/win-nt.h (ASM_FILE_START): Likewise.
1181 * i386/sun386.h (ASM_FILE_START): Likewise.
1183 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
1185 * configure.in (mips*-*-linux*): Handle big and little endian
1187 * configure: Rebuilt.
1189 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
1191 * emit-rtl.c: Fix typo.
1193 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
1195 * reload1.c (eliminate_regs): Don't do anything, if we're not
1198 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
1200 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
1202 * mips/mips.c (mips_select_section): Add comment.
1204 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
1206 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
1207 characters in file names in #line to be consistent with #include
1208 handling. We support escape prcessing in the # 1 "..." version of
1209 the command. See also support in cp/lex.c.
1210 (handle_directive): Likewise.
1211 (do_line): Likewise.
1213 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
1215 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
1216 so it'll work on non-ASCII platforms. Always consider $ an
1217 identifier character. Take no arguments.
1218 (cpp_reader_init): Call initialize_char_syntax with no
1220 (cpp_start_read): Don't call initialize_char_syntax again.
1221 Clear is_idchar['$'] and is_idstart['$'] if not
1222 opts->dollars_in_ident.
1224 * cpplib.h (struct cpp_reader): Replace void *data element by
1225 cpp_options *opts. Rearrange elements to make gdb printout
1226 less annoying (put buffer stack at end).
1227 (CPP_OPTIONS): Get rid of now-unnecessary cast.
1229 * cppmain.c: s/data/opts/ when initializing cpp_reader
1231 * c-decl.c: Likewise.
1232 * objc/objc-act.c: Likewise.
1233 * fix-header.c: Likewise.
1235 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
1237 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
1238 with a struct file_name_list pointer.
1239 (struct cpp_reader): Add pointer to chain of `actual
1240 directory' include searchpath entries.
1241 (struct file_name_list): Add *alloc pointer for the sake of
1242 the actual-directory chain.
1244 Move definition of HOST_WIDE_INT here.
1245 (cpp_parse_escape): Change prototype to match changes in
1248 * cppfiles.c (actual_directory): New function.
1249 (finclude): Use it to initialize the buffer's actual_dir
1251 (find_include_file): We don't need to fix up max_include_len
1254 * cpplib.c (do_include): Don't allocate a file_name_list on
1255 the fly for current directory "" includes, use the one that's
1256 been preallocated in pfile->buffer->actual_dir. Hoist out
1257 duplicate code from the search_start selection logic.
1258 (cpp_reader_init): Initialize pfile->actual_dirs.
1260 Remove definition of HOST_WIDE_INT. Change calls
1261 to cpp_parse_escape to match changes in cppexp.c (note
1262 hardcoded MASK, which is safe since this is the source
1265 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
1266 to handle wide character constants in #if directives. The
1267 function now returns a HOST_WIDE_INT, and takes a third
1268 argument which is a binary mask for all legal values (0x00ff
1269 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
1270 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
1271 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
1273 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
1275 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
1277 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1279 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
1280 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
1281 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
1283 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
1285 * final.c (output_asm_name): Use tabs to seperate comments from
1288 Include instruction lengths (if defined) in output.
1290 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1292 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
1293 in the loop_info structure.
1295 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
1297 * configure.in: (arm*-*-ecos-elf): New target.
1298 * configure: Regenerated.
1299 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
1300 * config/arm/ecos-elf.h: New file.
1301 * config/arm/unknown-elf.h (TARGET_VERSION): Check
1304 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1306 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
1308 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
1310 * version.c: Bump for snapshot.
1312 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1314 * loop.c (check_dbra_loop): New argument loop_info. Update fields
1317 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
1319 * version.c: Bump for snapshot.
1321 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1323 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
1324 compressed reports are ok and preferred over URLs
1326 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1328 * invoke.texi (Warning Options): Soften the tone of -pedantic
1330 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
1332 * print-rtl.c (print_rtx): Add prototype.
1334 * unroll.c (iteration_info): Make it static.
1336 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
1338 * alias.c (memrefs_conflict_p): A second ANDed address
1339 disables the aligned address optimization.
1341 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
1343 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
1346 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
1348 * i960.h (BOOL_TYPE_SIZE): Define.
1350 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1352 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
1353 from old valid_parallel_operands_4.
1354 (valid_parallel_operands_4): Check that operands for 4 operand
1355 parallel insns are valid, excluding load/store insns.
1356 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
1357 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
1358 valid_parallel_load_store instead of valid_parallel_operands_4.
1359 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
1360 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
1361 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
1362 *notqi_movqi_clobber): Use valid_parallel_operands_4.
1363 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
1364 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
1365 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
1367 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1369 * config/c4x/c4x.c (iteration_info): Delete extern.
1371 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1373 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
1375 * final.c (cleanup_subreg_operands): Delete some unused code.
1377 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
1378 (struct insn_alternative): New structure definition.
1379 (recog_op_alt): Declare variable.
1380 (preprocess_constraints): Declare function.
1381 * recog.c (recog_op_alt): New variable.
1382 (extract_insn): Verify number of alternatives is in range.
1383 (preprocess_constraints): New function.
1384 * reg-stack.c: Include recog.h.
1385 (constrain_asm_operands): Delete.
1386 (get_asm_operand_lengths): Delete.
1387 (get_asm_operand_n_inputs): New function.
1388 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
1389 N_OUTPUTS args. All callers changed.
1390 Compute number of inputs and outputs here by calling
1391 get_asm_operand_n_inputs.
1392 Instead of constrain_asm_operands, call extract_insn,
1393 constrain_operands and preprocess_constaints. Use information
1394 computed by these functions throughout.
1395 (record_reg_life): Delete code that is unused due to changes in
1396 record_asm_reg_life.
1397 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
1398 N_INPUTS and N_OUTPUTS args. All callers changed.
1399 Similar changes as in record_asm_reg_life.
1400 (subst_stack_regs): Move n_operands declaration into the if statement
1402 Delete code that is unused due to changes in subst_asm_stack_regs.
1403 * stmt.c (expand_asm_operands): Verify number of alternatives is in
1405 * Makefile.in (reg-stack.o): Depend on recog.h.
1407 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
1409 * except.c (set_exception_version_code): Argument is an "int".
1411 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
1413 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
1414 * configure: Rebuilt.
1416 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
1418 * configure.in (mipsel-*-linux*): New target.
1419 * mips/linux.h: New file, based on other Linux targets.
1421 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
1423 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
1424 runs in the context of the deleter, not the deletee, so we must
1425 use taskVarGet to find the correct memory to free.
1426 (__gthread_key_create): Initialize the task
1427 variable subsystem so that the task variable is still active when
1428 the delete hook is run.
1430 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
1432 * pdp11.h: Use optimize_size for space optimizations.
1433 * pdp11.c: Likewise.
1434 * pdp11.md: Likewise.
1436 * pdp11.h (TARGET_40_PLUS): Fix typo.
1438 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
1440 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
1443 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1445 * alias.c (addr_side_effect_eval): New function.
1446 (memrefs_conflict_p): Use it.
1447 * rtl.h (addr_side_effect_eval): Prototype it.
1449 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
1451 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
1453 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
1455 * reload.c (find_reloads): When force const to memory, put result
1456 in substed_operand not *recog_operand_loc.
1458 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
1460 * c-lex.c: Fix indentation from last patch.
1461 Remove trailing whitespace.
1464 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
1466 * flow.c (delete_block): Call set_last_insn after we have reset
1467 NEXT_INSN (kept_tail).
1469 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
1471 * mips.md (trap_if): Use "$0" for the value zero.
1473 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
1474 Stephen L Moshier <moshier@world.std.com>
1475 Richard Henderson <rth@cygnus.com>
1477 * c-common.c (declare_function_name): Declare predefinied variable
1480 * c-decl.c (flag_isoc9x): Set to 1 by default.
1481 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
1482 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
1484 * c-parse.in: Allow constructors in ISO C 9x.
1485 Rewrite designator list handling.
1486 Allow [*] parameters.
1487 Don't warn about comma at end of enum definition for ISO C 9x.
1489 * cccp.c (c9x): New variable.
1490 (rest_extension): New variable.
1491 (print_help): Document new -std= option.
1492 (main): Recognize -std= option. Set c9x appropriately.
1493 (create_definition): Recognize ISO C 9x vararg macros.
1495 * gcc.c (default_compilers): Adjust specs for -std options.
1496 (option_map): Add --std.
1497 (display_help): Document -std.
1499 * toplev.c (documented_lang_options): Add -std and remove
1502 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
1503 or REAL_VALUE_HTOF based on base of the constants.
1504 * fold-const.c (real_hex_to_f): New function. Replacement function
1505 for hex FP conversion if REAL_ARITHMETIC is not defined.
1506 * real.c (asctoeg): Add handling of hex FP constants.
1507 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
1510 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
1512 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
1513 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
1514 expansion. Use hi/lo as destination register.
1516 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
1517 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
1518 Avoid as macro expansion. Use hi/lo as destination register.
1520 * mips.h (MASK_CHECK_RANGE_DIV): New.
1521 (MASK_NO_CHECK_ZERO_DIV): New.
1522 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
1523 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
1524 return address for leaf functions out of r31 to support
1525 builtin_return_address.
1527 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1529 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
1530 NEXT_INSN(x) to check insn x.
1532 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
1534 * flow.c (delete_block): Call set_last_insn if we end up deleting the
1535 last insn in the rtl chain.
1537 * reload1.c (reload): Do not set reload_completed or split insns
1539 * toplev.c (rest_of_compilation): Set reload_completed after
1540 reload returns. Split insns after reload_cse has run.
1542 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
1544 * final.c (final_scan_insn): Abort if block_depth falls below 0.
1546 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
1548 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
1550 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
1552 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
1553 use of user-label_prefix.
1555 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1557 * reload1.c (emit_reload_insns): Clear spill_reg_store
1558 when doing a new non-inherited reload from the same pseudo.
1560 * local-alloc.c (function_invariant_p): New function.
1561 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
1562 to decide if an equivalence should be recorded.
1563 * reload1.c (num_eliminable_invariants): New static variable.
1564 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
1565 to decide if an equivalence should be recorded.
1567 (calculate_needs_all_insns): Skip insns that only set an equivalence.
1568 Take num_eliminable_invariants into account when deciding
1569 if register elimination should be done.
1570 (reload_as_needed): Take num_eliminable_invariants into account
1571 when deciding if register elimination should be done.
1572 (eliminate_regs): Handle non-constant reg_equiv_constant.
1573 * rtl.h (function_invariant_p): Declare.
1575 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
1577 * version.c: Bump for snapshot.
1579 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
1581 * version.c: Bump for snapshot.
1583 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
1585 * except.c (add_new_handler): Complain about additional handlers
1586 after one that catches everything.
1588 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
1590 * configure.in (alpha*-*-netbsd): Fix typo.
1591 * configure: Rebuilt.
1593 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1595 * system.h: Include libiberty.h.
1597 * c-aux-info.c: Remove prototypes for concat/concat3. Change
1598 function `concat' from fixed parameters to variable parameters,
1599 as is done in libiberty. All callers of concat/concat3
1600 changed to use the new `concat' with variable args.
1602 * cccp.c: Remove things made redundant by libiberty.h and/or
1603 conform to libiberty standards.
1605 * collect2.c: Likewise.
1606 * config/1750a/1750a.h: Likewise.
1607 * cppalloc.c: Likewise.
1608 * cppexp.c: Likewise.
1609 * cppfiles.c: Likewise.
1610 * cpphash.c: Likewise.
1611 * cpplib.c: Likewise.
1612 * dyn-string.c: Likewise.
1613 * fix-header.c: Likewise.
1616 * genattr.c: Likewise.
1617 * genattrtab.c: Likewise.
1618 * gencheck.c: Likewise.
1619 * gencodes.c: Likewise.
1620 * genconfig.c: Likewise.
1621 * genemit.c: Likewise.
1622 * genextract.c: Likewise.
1623 * genflags.c: Likewise.
1624 * gengenrtl.c: Likewise.
1625 * genopinit.c: Likewise.
1626 * genoutput.c: Likewise.
1627 * genpeep.c: Likewise.
1628 * genrecog.c: Likewise.
1629 * getpwd.c: Likewise.
1630 * halfpic.c: Likewise.
1632 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
1633 in NEED_DECLARATION_* macros.
1635 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
1636 conform to libiberty standards.
1637 (fatal): Fix const-ification of variable `format' in
1638 !ANSI_PROTOTYPES case.
1640 * prefix.c: Remove things made redundant by libiberty.h and/or
1641 conform to libiberty standards.
1643 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
1644 conflicting with function `spaces' from libiberty.
1646 * profile.c: Remove things made redundant by libiberty.h and/or
1647 conform to libiberty standards.
1648 * protoize.c: Likewise.
1651 * tlink.c: Likewise.
1652 * toplev.c: Likewise.
1653 * toplev.h: Likewise.
1656 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1658 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
1660 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1662 * README.C4X: Updated URLs.
1663 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
1664 (valid_parallel_operands_5): Remove unused variable.
1666 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1668 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
1670 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
1672 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
1673 which can be configured.
1674 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
1675 (Makefile): Pass actual LANGUAGES through the environment when
1677 (cstamp-h): Likewise.
1678 (config.status): Likewise.
1680 * configure.in (enable_languages): Add new configuration parameter
1681 "--enable-languages=lang1,lang2,...".
1682 (${srcdir}/*/config-lang.in): Change handling to configure only
1683 those directories, that the user might have enabled; default to
1684 "all" existing languages.
1685 * configure: Regenerate.
1687 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
1689 * rtlanal.c (regs_set_between_p): New function.
1690 * rtl.h (regs_set_between_p): Prototype it.
1691 * jump.c (jump_optimize): Use it instead of modified_between_p
1692 in the Sep 2 change.
1694 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
1695 Matthias Pfaller <leo@dachau.marco.de>
1697 * invoke.texi (Option Summary, NS32K Options): add description
1698 of NS32K specific options.
1700 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
1701 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
1702 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
1703 negdf2, absdf2): Use l instead of f since the double class and
1704 float class are no longer the same.
1705 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
1706 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
1707 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
1708 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
1710 (cmpsi, cmphi, cmpqi): use general_operand instead of
1711 non_immediate_operand. Removes erroneous assumption that can't
1713 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
1714 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
1716 (movstrsi, movstrsi1, movstrsi2): completely new block move
1718 (...): Patterns to exploit multiply-add instructions.
1719 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
1720 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
1721 patterns to exploit extended divide insns.
1722 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
1725 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
1726 float return values as well as simple scalar floats.
1727 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
1728 support new flag to denote 32381 fpu.
1729 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
1730 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
1732 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1733 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
1734 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
1735 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
1736 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
1737 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
1738 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
1739 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
1740 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
1741 fpu registers and special register classes for new 32381
1742 instructions dotf and polyf.
1743 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
1745 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
1746 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
1748 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
1749 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
1750 (REGISTER_MOVE_COST): move code to register_move_cost function for
1751 ease of coding and debugging.
1752 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
1753 LONG_FLOAT_REGO is likely spilled but not caught by default
1755 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
1756 instead of hard coded numbers in range check.
1757 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
1758 (...): Add prototypes for functions in ns32k.c but disable because
1759 of problems when ns32k.h is included in machine independant files.
1761 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
1762 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
1763 hard_regno_mode_ok, secondary_reload_class,
1764 print_operand, print_operand_address): new register scheme to
1765 include 32381 fpu registers and special register classes for new
1766 32381 instructions dotf and polyf.
1767 (gen_indexed_expr): Make static to keep namespace clean.
1768 (check_reg): remove since never called.
1769 (move_tail, expand_block_move): helper functions for "movstrsi"
1771 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
1772 Increase cost of moves which go via memory.
1773 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
1774 (CPP_PREDEFINES): nolonger predefine "unix".
1776 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
1777 Remove erroneous %$. print_operand() can work out from the rtx is
1778 an immediate prefix is required.
1780 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
1781 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
1782 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
1784 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
1787 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
1788 Correct handling of pic operands.
1789 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
1790 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
1791 -mrtd calling convention.
1793 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
1795 * gcc.c (option_map): Recognize --output-class-directory.
1797 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1799 * loop.h (precondition_loop_p): Added new mode argument.
1800 * unroll.c (precondition_loop_p): Likewise.
1801 (approx_final_value): Function deleted and subsumed
1802 into loop_iterations.
1803 (loop_find_equiv_value): New function.
1804 (loop_iterations): Use loop_find_equiv_value to find increments
1805 too large to be immediate constants. Also use it to find terms
1806 common to initial and final iteration values that can be removed.
1808 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1810 * loop.h (struct loop_info): Define new structure.
1811 (precondition_loop_p): Added prototype.
1812 (unroll_loop): Added new argument loop_info to prototype.
1813 (final_biv_value, final_giv_value): Added new argument n_iterations
1815 * loop.c (strength_reduce): Declare new structure loop_iteration_info
1816 and new pointer loop_info.
1817 (loop_n_iterations): Replace global variable by element in
1818 loop_info structure.
1819 (check_final_value): New argument n_iterations.
1820 (insert_bct): New argument loop_info.
1821 (loop_unroll_factor): Replace global array by element in
1822 loop_info structure.
1823 (loop_optimize): Remove code to allocate and initialise
1824 loop_unroll_factor_array.
1825 * unroll.c (precondition_loop_p): No longer static since
1826 used by branch on count optimization.
1827 (precondition_loop_p, unroll_loop): New argument loop_info.
1828 (final_biv_value, final_giv_value, find_splittable_regs): New
1829 argument n_iterations.
1830 (loop_iteration_var, loop_initial_value, loop_increment,
1831 loop_final_value, loop_comparison_code, loop_unroll_factor):
1832 Replaced global variables by loop_info structure.
1833 (loop_unroll_factor): Replace global array by element in
1834 loop_info structure.
1836 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1838 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
1841 * unroll.c (precondition_loop_p): Return loop_initial_value
1842 for initial_value instead of loop_iteration_var.
1844 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1846 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
1847 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
1848 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
1849 to output the instruction sequences.
1851 (rptb_top): Provide alternatives to use any register or memory
1853 (rptb_end): Emit use of operands rather than assigning them
1854 explicitly to the RS and RE registers.
1856 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1858 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
1859 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
1860 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
1861 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
1862 c4x_merge_notes, c4x_parallel_process,
1863 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
1864 c4x_combine_parallel): Delete.
1866 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1868 * config/c4x/c4x.c: (c4x_override_options): For compatibility
1869 with old target options clear flag_branch_on_count_reg if
1870 -mno-rptb specified and set flag_argument_alias is -mno-aliases
1872 (c4x_output_cbranch): Handle a sequence of insns rather than a
1874 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
1875 has not been allocated as the loop counter.
1876 (c4x_address_conflict): Do not allow two volatile memory references.
1877 (valid_parallel_operands_4, valid_parallel_operands_5,
1878 valid_parallel_operands_6): Reject pattern if the register destination
1879 of the first set is used as part of an address in the second set.
1881 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1883 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
1884 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
1885 is no longer enabled if PARALLEL_MPY_FLAG set.
1886 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
1887 (REG_CLASS_CONTENTS): Add braces around initializers.
1888 (HAVE_MULTIPLE_PACK): Define.
1889 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
1890 REAL_VALUE_TO_DECIMAL.
1891 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
1892 REAL_VALUE_TO_DECIMAL.
1893 (ar0_reg_operand): Add prototype.
1894 (ar0_mem_operand): Likewise.
1895 (ar1_reg_operand): Likewise.
1896 (ar1_mem_operand): Likewise.
1897 (ar2_reg_operand): Likewise.
1898 (ar2_mem_operand): Likewise.
1899 (ar3_reg_operand): Likewise.
1900 (ar3_mem_operand): Likewise.
1901 (ar4_reg_operand): Likewise.
1902 (ar4_mem_operand): Likewise.
1903 (ar5_reg_operand): Likewise.
1904 (ar5_mem_operand): Likewise.
1905 (ar6_reg_operand): Likewise.
1906 (ar6_mem_operand): Likewise.
1907 (ar7_reg_operand): Likewise.
1908 (ar7_mem_operand): Likewise.
1909 (ir0_reg_operand): Likewise.
1910 (ir0_mem_operand): Likewise.
1911 (ir1_reg_operand): Likewise.
1912 (ir1_mem_operand): Likewise.
1913 (group1_reg_operand): Likewise.
1914 (group1_mem_operand): Likewise.
1915 (ir1_reg_operand): Likewise.
1916 (arx_reg_operand): Likewise.
1917 (not_rc_reg): Likewise.
1918 (not_modify_reg): Likewise.
1919 (c4x_group1_reg_operand): Remove prototype.
1920 (c4x_group1_mem_operand): Likewise.
1921 (c4x_arx_reg_operand): Likewise.
1923 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
1925 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
1926 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
1928 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1930 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
1933 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1935 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
1936 unless FMOVD_WORKS is defined.
1938 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1940 * regclass.c (init_reg_sets): Move code that calculates tables
1941 dependent on reg_class_contents from here...
1942 (init_reg_sets_1): To here.
1944 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1946 * cpplib.h: Delete struct import_file. Add ihash element to
1947 struct cpp_buffer. Delete dont_repeat_files and
1948 import_hash_table elements from cpp_reader; change
1949 all_include_files to a hash table. Delete all foobar_include
1950 / last_foobar_include elements from struct cpp_options; put
1951 back four such: quote_include, bracket_include,
1952 system_include, after_include. Redo struct file_name_list
1953 completely. Add new structure type include_hash. Add
1954 prototypes for merge_include_chains and include_hash. Change
1955 prototypes for finclude, find_include_file, and
1956 append_include_chain to match changes below.
1958 * cppfiles.c (simplify_pathname, include_hash,
1959 remap_filename, merge_include_chains): New functions.
1960 (add_import, lookup_import, open_include_file): Removed.
1961 (INO_T_EQ): Define this (copied from cccp.c).
1962 (hack_vms_include_specification): Remove all calls and #if 0
1963 out the definition. It was being called incorrectly and at
1964 the wrong times. Until a VMSie can look at this, it's better
1965 to not pretend to support it.
1966 (append_include_chain): Change calling convention; now takes
1967 only one directory at a time, and sets up the data structure
1969 (redundant_include_p): Rewritten - this is now used for all
1970 include redundancy, whether by #ifndef, #import, or #pragma
1971 once. Looks up things in the include hash table.
1972 (file_cleanup): Decrement pfile->system_include_depth here if
1974 (find_include_file): Calling convention changed; now passes
1975 around a struct include_hash instead of 3 separate parameters.
1976 Guts ripped out and replaced with new include_hash mechanism.
1977 (finclude): Calling convention changed as for
1978 find_include_file. Error exits pulled out-of-line. Reformat.
1979 (safe_read): Return a long, not an int.
1980 (deps_output): Don't recurse.
1982 * cpplib.c (is_system_include): Deleted.
1983 (path_include): Fix up call to append_include_chain.
1984 (do_include): Fix up calls to find_include_file and finclude.
1985 Clean up dependency output a bit. Shorten obnoxiously lengthy
1986 #import warning message. Don't decrement
1987 pfile->system_include_depth here.
1988 (do_pragma): Understand the include_hash structure. Reformat.
1989 (do_endif): Correct handling of control macros. Understand
1991 (cpp_start_read): Fix up calls to finclude. Call
1992 merge_include_chains.
1993 (cpp_handle_option): Fix up calls to append_include_chain.
1994 Understand the four partial include chains.
1995 (cpp_finish): Add debugging code (#if 0-ed out) for the
1997 (cpp_cleanup): Free the include_hash, not the import hash and
1998 the all_include and dont_repeat lists which no longer exist.
2000 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
2002 * toplev.c (no_new_pseudos): Define.
2003 (rest_of_compilation): Set no_new_pseudos as needed.
2004 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
2005 if no_new_pseudos is set.
2006 * rtl.h (no_new_pseudos): Declare it.
2007 * reload1.c (reload): Update comments.
2008 * md.texi: Corresponding changes.
2010 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2012 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
2013 (choose_reload_regs): Rename it here as well. When computing it,
2014 also merge in used hardregs.
2016 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2018 * gcc.c: Split out Objective-C specs to...
2019 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
2022 * c-lex.c (init_parse): Always initialize the filename global.
2023 * objc/objc-act.c (lang_init): Always call check_newline at
2026 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
2028 * reload1.c (reload): Remove unused variable.
2029 (reload_reg_free_for_value_p): Add missing parameter definition.
2031 * jump.c (jump_optimize): Remove unused variable.
2033 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
2035 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
2037 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
2039 * expr.c (move_by_pieces): Similarly.
2040 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
2041 * flow.c (find_auto_inc): Similarly.
2042 (try_pre_increment): Similarly.
2043 * loop.c (strength_reduce): Similarly.
2044 * regclass.c (auto_inc_dec_reg_p): Similarly.
2045 * regmove.c (try_auto_increment): Similarly.
2046 (fixup_match_1): Similarly.
2047 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
2048 (HAVE_PRE_DECREMENT): Similarly.
2049 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
2050 * Corresponding changes to all target header files.
2051 * tm.texi: Update docs for autoinc addressing modes.
2053 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
2055 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
2056 * configure: Rebuild.
2057 * config/elfos.h: New file.
2058 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
2059 config/m68k/t-m68kelf: New file.
2061 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
2063 * Makefile.in (HOST_AR): Define.
2064 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
2065 (libcpp.a): Use the host tools explicitly.
2066 (STAGESTUFF): Add libcpp.a.
2068 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
2070 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
2071 to source and destination registers.
2073 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
2075 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
2076 The strategy we now use is to pre allocate the top_elt along
2077 with the EH context so that each thread has its own top_elt.
2078 This is necessary as the dynmanic cleanup chain is used on the
2079 top element of the stack and each thread MUST have its own.
2080 (eh_context_static): Likewise.
2081 (new_eh_context): Likewise.
2082 (__sjthrow): Likewise.
2084 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
2086 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
2087 * i386.md (prologue_get_pc): Remove unused variable.
2089 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
2091 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
2093 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
2095 * Makefile.in (OBJS): Add graph.o
2096 (graph.o): New dependency list.
2097 * flags.h: Declare dump_for_graph and define graph_dump_types type.
2098 * print-rtl.c (dump_for_graph): Define new variable.
2099 (print_rtx): Rewrite to allow use in graph dumping functions.
2100 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
2101 finish_graph_dump_file.
2102 Define graph_dump_format.
2103 (compile_file): If graph dumping is enabled also clear these files.
2104 Finish graph dump files.
2105 (rest_of_compilation): Also dump graph information if enabled.
2106 (main): Recognize -dv to enabled VCG based graph dumping.
2107 * graph.c: New file. Graph dumping functions.
2109 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
2111 * configure.in: Look for <sys/stat.h>.
2112 * system.h: Include it before substitute S_ISREG definitions.
2114 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
2116 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
2117 * config/mips/iris6.h: Same.
2118 * config/mips/mips.md: Same.
2119 * config/mips/mips.c: Same; also add "-mabi=o64" option.
2120 * config/mips/mips.h: Same; also define ABI_O64.
2122 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2124 * configure.in: Use AC_PREREQ(2.12.1).
2126 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2128 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
2129 * cpplib.c, gcc.c: Likewise.
2130 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
2132 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
2134 * local-alloc.c (local_alloc): Use malloc not alloca for
2135 reg_qty, reg_offset, ref_next_in_qty.
2137 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2139 * caller-save.c (insert_one_insn): Initialize the live_before and
2140 live_after register sets.
2144 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
2145 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
2146 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
2147 (fp_reg_names, assembler_dialect): New variables.
2148 (print_operand_address): Handle SUBREGs.
2149 (print_operand): Added 'o' case.
2150 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
2151 Name of FP registers depends on mode.
2152 (expand_block_move): Emit different code for SH4 hardware.
2153 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
2154 (from_compare): Likewise.
2155 (add_constant): New argument last_value. Changed all callers.
2156 (find_barrier): Don't try HImode load for FPUL_REG.
2157 (machine_dependent_reorg): Likewise.
2158 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
2159 (gen_far_branch): Emit a barrier after the new jump.
2160 (barrier_align): Don't trust instruction lengths before
2162 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
2163 Use auto-inc addressing for fp registers if doubles need to
2164 be loaded in two steps.
2165 Set sh_flag_remove_dead_before_cse.
2166 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
2167 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
2168 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
2169 Support for FIRST_XD_REG .. LAST_XD_REG.
2170 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
2171 (sh_expand_epilogue): Likewise.
2172 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
2173 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
2174 (arith_reg_operand): FPUL_REG is OK for SH4.
2175 (fp_arith_reg_operand, fp_extended_operand) New functions.
2176 (tertiary_reload_operand, fpscr_operand): Likewise.
2177 (commutative_float_operator, noncommutative_float_operator): Likewise.
2178 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
2179 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
2180 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
2181 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
2182 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
2183 (CONDITIONAL_REGISTER_USAGE): Likewise.
2184 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
2185 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
2186 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
2187 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
2188 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
2189 to -1 and sh_flag_remove_dead_before_cse to 1.
2190 (ASSEMBLER_DIALECT): Define to assembler_dialect.
2191 (assembler_dialect, fp_reg_names): Declare.
2192 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
2193 Hide names of registers that are not accessible.
2194 (CACHE_LOG): Take TARGET_CACHE32 into account.
2195 (LOOP_ALIGN): Take TARGET_HARWARD into account.
2196 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
2197 (FIRST_PSEUDO_REGISTER: Now 49.
2198 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
2199 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
2200 (HARD_REGNO_MODE_OK): Update.
2201 (enum reg_class): Add DF_REGS and FPSCR_REGS.
2202 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
2203 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
2204 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
2205 (NPARM_REGS): Eight floating point parameter registers on SH4.
2206 (BASE_RETURN_VALUE_REG): SH4 also passes double values
2207 in floating point registers.
2208 (GET_SH_ARG_CLASS) Likewise.
2209 Complex float types are also returned in float registers.
2210 (BASE_ARG_REG): Complex float types are also passes in float registers.
2211 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
2212 (LIBCALL_VALUE): Remove trailing semicolon.
2213 (ROUND_REG): Round when double precision value is passed in floating
2215 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
2216 passed on the stack.
2217 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
2218 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
2219 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
2220 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
2221 (MODE_DISP_OK_8): Not for SH4 DFmode.
2222 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
2223 Allow indexed addressing for PSImode after reload.
2224 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
2225 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
2226 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
2227 (DOUBLE_TYPE_SIZE): 64 for SH4.
2228 (RTX_COSTS): Add PLUS case.
2229 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
2230 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
2231 MAC_REGS, PR_REGS, DF_REGS.
2232 (REGISTER_NAMES): Use fp_reg_names.
2233 (enum processor_type): Add PROCESSOR_SH4.
2234 (sh_flag_remove_dead_before_cse): Declare.
2235 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
2236 (PREDICATE_CODES): Add binary_float_operator,
2237 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
2238 fpscr_operand, noncommutative_float_operator.
2239 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
2240 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
2241 * sh.md (attribute cpu): Add value sh4.
2242 (attrbutes fmovd, issues): Define.
2243 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
2244 (function units memory, int, mpy, fp): Make dependent on issue rate.
2245 (function units issue, single_issue, load_si, load): Define.
2246 (function units load_store, fdiv, gp_fpul): Define.
2247 (attribute hit_stack): Provide proper default.
2248 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
2249 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
2250 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
2251 (mulsi3_call): Now uses match_operand for function address.
2252 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
2254 (push, pop, push_e, pop_e): Now define_expands.
2255 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
2256 (movsi_ie): Added y/i alternative.
2257 (ic_invalidate_line_i, movdf_i4): New insns.
2258 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
2259 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
2260 (movdf): Add special code for SH4.
2261 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
2262 (call_valuei, calli, call_value): Likewise.
2263 (movsf): Emit no-op move.
2264 (mov_nop, movsi_y): New insns.
2265 (blt, sge): generalize to handle DFmode.
2266 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
2267 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
2268 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
2269 (fpu_switch0, fpu_switch1, movpsi): New expanders.
2270 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
2271 (toggle_sz): New insn.
2272 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
2273 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
2274 (macsf3): Make use of fpscr visible. Disable for SH4.
2275 (floatsisf2): Make use of fpscr visible.
2276 (floatsisf2_i4): New insn.
2277 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
2278 (ieee_ccmpeqsf_t): Likewise.
2279 (fix_truncsfsi2): Emit different code for SH4.
2280 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
2281 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
2282 (negsf2, sqrtsf2, abssf2): Now expanders.
2283 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
2284 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
2285 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
2286 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
2287 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
2288 (fix_truncdfsi2_i4_2+1): New splitters.
2289 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
2290 (extendsfdf2, truncdfsf2): New expanders.
2291 (truncdfsf2_i4): New insn.
2292 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
2293 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
2294 * float-sh.h: When testing for __SH3E__, also test for
2295 __SH4_SINGLE_ONLY__ .
2296 * va-sh.h (__va_freg): Define to float.
2297 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
2298 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
2299 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
2300 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
2302 (TARGET_SH4_P): Define.
2305 * sh.md (movdf_k, movsf_i): Tweak the condition so that
2306 init_expr_once is satisfied about the existence of load / store insns.
2308 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
2309 change m constraint in source operand to mr / mf .
2311 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
2313 * (__VA_REEF): Define.
2314 (__va_arg_sh1): Use it.
2316 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
2318 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
2320 * i386/dgux.c (struct option): Add new "description field".
2321 * m88k/m88k.c (struct option): Likewise.
2323 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
2325 * version.c: Bump for snapshot.
2327 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2329 * regmove.c (regmove_profitable_p): Use return value of find_matches
2332 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
2334 * version.c: Bump for snapshot.
2336 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
2338 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
2339 without reload having been called earlier.
2341 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
2343 (v850_reorg): Similarly.
2345 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
2347 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2349 * loop.c (move_movables): Start of libcall might be new loop start.
2351 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2353 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
2355 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2357 * function.c (nonlocal_goto_handler_slots): Renamed from
2358 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
2359 (push_function_context_to): Adjust for this change.
2360 (pop_function_context_from): Likewise.
2361 (init_function_start): Likewise.
2362 (expand_function_end): Likewise.
2363 * function.h (struct function): Likewise.
2364 * calls.c (expand_call): Likewise.
2365 * explow.c (allocate_dynamic_stack_space): Likewise.
2366 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
2367 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
2369 (expand_goto): When doing a nonlocal goto, find corresponding handler
2370 slot for it. Don't put the label address in the static chain register.
2371 (expand_end_bindings): Break out nonlocal goto handling code into
2372 three new functions.
2373 (expand_nl_handler_label, expand_nl_goto_receiver,
2374 expand_nl_goto_receivers): New static functions, broken out of
2375 expand_end_bindings and adapted to create one handler per nonlocal
2377 * function.c (delete_handlers): Delete insn if it references any of
2378 the nonlocal goto handler slots.
2379 * i960.md (nonlocal_goto): Comment out code that modifies
2381 * sparc.md (nonlocal_goto): Likewise.
2382 (goto_handler_and_restore_v9): Comment out.
2383 (goto_handler_and_restore_v9_sp64): Comment out.
2385 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2387 * expr.c (STACK_BYTES): Delete unused macro.
2388 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
2389 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2390 (expand_call): Likewise.
2391 (emit_library_call): Likewise.
2392 (emit_library_call_value): Likewise.
2393 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
2394 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2395 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
2396 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2397 (allocate_dynamic_stack_space): Likewise.
2398 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
2399 (STACK_BOUNDARY): Update description to reflect the new situation.
2401 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
2403 * reorg.c (relax_delay_slots): When optimizing for code size, if a
2404 return with a filled delay slot is followed by a return with an
2405 unfilled delay slot, delete the first return and reemit the insn
2406 that was previously in its delay slot.
2408 * i860.c (single_insn_src_p): Add missing parens.
2409 * ginclude/math-3300.h: Likewise.
2411 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
2413 * regclass.c (init_reg_sets_1): Add prototype.
2414 (init_reg_modes): Likewise.
2416 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
2418 * c-common.c: Change warning messages to say `comparison is
2419 always true' or `comparison is always false' instead of the
2420 confusing `is always 0', `is always 1'.
2422 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
2424 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
2425 break instead of return (which loses closing '>').
2427 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
2429 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
2430 standard 387 constants.
2432 * i386.md (jump): Explicitly set "memory" attribute.
2433 (indirect_jump, prologue_set_stack_ptr): Likewise.
2434 (prologue_get_pc_and_set_got, pop): Likewise.
2435 (allocate_stack_worder, blockage, return_internal): Likewise.
2436 (return_pop_internal, nop): Likewise.
2437 (epilogue_set_stack_ptr, leave): Likewise.
2439 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
2441 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
2443 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2445 * reload1.c (reload_reg_free_for_value_p):
2446 Early auto_inc reloads don't conflict with outputs.
2448 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2450 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
2451 Instead call AC_HEADER_SYS_WAIT.
2453 * collect2.c: Don't provide defaults for sys/wait.h macros.
2455 * protoize.c: Likewise. Also, don't include sys/wait.h.
2457 * system.h: Include sys/wait.h and provide macro defaults.
2459 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2461 * Makefile.in (mandir): Set to @mandir@.
2462 (man1dir): New variable to hold the former value of $(mandir).
2463 Replace all uses of $(mandir) by $(man1dir).
2465 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
2467 * reload.c (find_reloads_address_part): If have a CONST_INT, create
2468 a new one before passing it to force_const_mem.
2470 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
2471 find_reloads_address call.
2473 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2475 * expr.c (store_expr): Don't generate load-store pair
2476 if TEMP is identical (according to ==) with TARGET.
2478 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2480 * reload1.c (reload_reg_free_for_value_p): When considered reload
2481 has an output, matching inputs are not sufficient to avoid conflict.
2483 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
2485 * hash.h (hash_table_key): New type.
2486 (hash_entry): Change `string' field to generic `key'.
2487 (hash_table): Add `comp' and `hash' functions.
2488 (hash_table_init): Take them as input.
2489 (hash_table_init_n): Likewise.
2490 (hash_lookup): Modify for generic keys.
2491 (hash_newfunc): Likewise.
2492 (hash_traverse): Likewise.
2493 (string_hash): New function.
2494 (string_compare): Likewise.
2495 (string_copy): Likewise.
2496 * hash.c (hash_table_init_n): Modify for generic keys.
2497 (hash_table_init): Likewise.
2498 (hash_lookup): Likewise.
2499 (hash_newfunc): Likewise.
2500 (hash_traverse): Likewise.
2501 (string_hash): Split out from hash_lookup.
2502 (string_compare): New function.
2503 (string_copy): Split out from hash_lookup.
2504 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
2506 (symbol_hash_lookup): Likewise.
2507 (file_hash_newfunc): Likewise.
2508 (file_hash_lookup): Likewise.
2509 (demangled_hash_newfunc): Likewise.
2510 (demangled_hash_lookup): Likewise.
2511 (tlink_int): Likewise.
2512 (read_repo_file): Likewise.
2513 (recompile_files): Likewise.
2514 (demangle_new_symbols): Likewise.
2515 (scan_linker_output): Likewise.
2517 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2519 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
2521 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
2523 * rs6000.c (output_mi_thunk): Improve test for local branch.
2525 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2527 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
2529 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2531 * reload1.c (reload_reg_free_before_p): Delete.
2532 Changed all callers to use reload_reg_free_for_value_p instead.
2533 (reload_reg_free_for_value_p): Handle more reload types.
2534 A RELOAD_FOR_INPUT doesn't conflict with its
2535 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
2536 Add special case for OUT == const0_rtx.
2537 Added ignore_address_reloads argument. Changed all callers.
2539 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
2541 * toplev.c (compile_file): Don't pedwarn about undefined static
2542 functions just because we passed -Wunused.
2544 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2546 * function.c (purge_addressof_1): Unshare rtl created by
2549 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2551 * regmove.c (regmove_optimize): Don't do anything but
2552 optimize_reg_copy[123] when flag_regmove is not set.
2554 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
2556 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
2557 value in paradoxical SImode result, rather than truncating midpoint.
2559 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
2561 * alpha.c (reg_not_elim_operand): New.
2562 * alpha.h (PREDICATE_CODES): Add it.
2563 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
2564 for the multiplicand.
2566 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
2568 * rs6000.md (movsf): Remove explicit secondary-reload-like
2569 functionality. Only truncate SFmode store if in FPR.
2570 (movsf splitters): Combine const_double splitters.
2571 (movsf_hardfloat): Add GPR support.
2573 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
2575 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
2576 deprecate -mlive-g0 and -mbroken-saverestore.
2577 * t-splet (MULTILIB_OPTIONS): Likewise.
2579 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
2580 in a leaf function. Clarify total_size/extra_size relationship.
2582 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
2584 * i386/cygwin32.asm: Delete.
2585 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
2586 * i386/cygwin32.h: Delete.
2587 * i386/cygwin.h: New file, renamed from cygwin32.h.
2588 * i386/t-cygwin32: Delete.
2589 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
2590 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
2591 * i386/x-cygwin32: Delete.
2592 * i386/x-cygwin: New file, renamed from x-cygwin32.
2593 * i386/xm-cygwin32: Delete.
2594 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
2595 renamed cygwin_ funcs for path translations.
2596 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
2597 * i386/winnt.c: Remove "32" from comment about cygwin.
2598 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
2599 * rs6000/cygwin32.h: Delete.
2600 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
2601 -D__CYGWIN__ to CPP_PREDEFINES.
2602 * rs6000/x-cygwin32: Delete.
2603 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
2604 * rs6000/xm-cygwin32: Delete.
2605 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
2607 * configure.in: Check for cygwin* instead of cygwin32. Account
2608 for the rename of cygwin-related config files to lose the "32"s.
2609 * configure: Regenerate.
2611 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
2612 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
2614 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
2616 * Makefile.in (JAVAGC): New macro.
2617 * configure: Rebuilt.
2618 * configure.in: Recognize --enable-java-gc argument. Subst
2621 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2623 Handle equivalences that have been obscured by gcse:
2625 * reload1.c (reload): Handle equivalences set up in multiple places.
2626 * local-alloc.c (reg_equiv_init_insns): New variable.
2627 (no_equiv): New function.
2628 (update_equiv_regs): Handle equivalences set up in multiple places.
2629 Don't ignore an insn just because its destination is likely to be
2632 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
2634 * except.c (expand_eh_return): Readd force_operand call lost in
2637 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
2639 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
2641 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2643 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
2645 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2647 * regmove.c (regmove_optimize): Fix error in last change.
2649 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
2651 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
2652 offset in the .mask pseudo to compensate for frame pointer adjustments.
2653 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
2654 word swap arguments moved to/from FP registers.
2655 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
2657 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
2659 * version.c: Bump for snapshot.
2661 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
2663 * version.c: Bump for snapshot.
2665 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
2667 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
2668 times, then it can not be completely replaced.
2670 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
2672 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
2674 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2676 * gansidecl.h: Prepend a "G" to the macro wrapping this file
2677 (to distinguish it from the macro wrapping ansidecl.h.)
2678 Include libiberty's ansidecl.h. Remove all redundant definitions.
2679 Define the PROTO() style macros in terms of the PARAMS() ones.
2682 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
2683 __STDC__, when deciding whether to use ANSI variable args.
2684 (emit_library_call_value): Likewise.
2686 * cccp.c (error): Likewise.
2687 (warning): Likewise.
2688 (error_with_line): Likewise.
2689 (warning_with_line): Likewise.
2690 (pedwarn): Likewise.
2691 (pedwarn_with_line): Likewise.
2692 (pedwarn_with_file_and_line): Likewise.
2695 * cexp.y (error): Likewise.
2696 (pedwarn): Likewise.
2697 (warning): Likewise.
2699 * collect2.c (fatal_perror): Likewise.
2703 * combine.c (gen_rtx_combine): Likewise.
2705 * cpperror.c (cpp_message): Likewise.
2706 (cpp_fatal): Likewise.
2708 * cpplib.c (cpp_error): Likewise.
2709 (cpp_warning): Likewise.
2710 (cpp_pedwarn): Likewise.
2711 (cpp_error_with_line): Likewise.
2712 (cpp_warning_with_line): Likewise.
2713 (cpp_pedwarn_with_line): Likewise.
2714 (cpp_pedwarn_with_file_and_line): Likewise.
2716 * cpplib.h: Don't define PARAMS() macro.
2718 * demangle.h: Likewise.
2720 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
2721 when deciding whether to use ANSI variable args.
2723 * emit-rtl.c (gen_rtx): Likewise.
2724 (gen_rtvec): Likewise.
2726 * final.c (asm_fprintf): Likewise.
2728 * fix-header.c (cpp_message): Likewise.
2730 (cpp_fatal): Likewise.
2732 * gcc.c (concat): Likewise.
2736 * genattr.c (fatal): Likewise.
2738 * genattrtab.c (attr_rtx): Likewise.
2739 (attr_printf): Likewise.
2742 * gencodes.c (fatal): Likewise.
2744 * genconfig.c (fatal): Likewise.
2746 * genemit.c (fatal): Likewise.
2748 * genextract.c (fatal): Likewise.
2750 * genflags.c (fatal): Likewise.
2752 * genopinit.c (fatal): Likewise.
2754 * genoutput.c (fatal): Likewise.
2757 * genpeep.c (fatal): Likewise.
2759 * genrecog.c (fatal): Likewise.
2761 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
2762 deciding whether to declare `tree_node' and `rtx_def'.
2764 * hash.h: Don't define stuff we get from gansidecl.h.
2766 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
2767 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2768 whether to use ANSI variable args.
2771 * prefix.c (concat): Likewise.
2775 * system.h: Likewise.
2777 * toplev.c (error_with_file_and_line): Likewise.
2778 (error_with_decl): Likewise.
2779 (error_for_asm): Likewise.
2782 (warning_with_file_and_line): Likewise.
2783 (warning_with_decl): Likewise.
2784 (warning_for_asm): Likewise.
2785 (warning): Likewise.
2786 (pedwarn): Likewise.
2787 (pedwarn_with_decl): Likewise.
2788 (pedwarn_with_file_and_line): Likewise.
2790 (really_sorry): Likewise.
2792 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2793 whether to declare `tree_node' and `rtx_def'.
2795 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
2796 deciding whether to use ANSI variable args.
2797 (build_nt): Likewise.
2798 (build_parse_node): Likewise.
2800 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
2802 * version.c: Bump for snapshot.
2804 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2806 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
2808 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
2810 * collect2.c (main, case 'b'): Use else if.
2812 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2814 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
2815 Arrange to include gansidecl.h in {ht}config.h & tm.h just
2816 before the config/ directory headers.
2817 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
2818 gansidecl.h in the list of dependencies.
2820 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
2821 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
2822 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
2823 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
2824 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
2825 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
2828 * cccp.c: Don't include gansidecl.h.
2830 * collect2.c: Likewise.
2831 * config/c4x/c4x.c: Likewise.
2832 * config/v850/v850.h: Likewise.
2833 * cppalloc.c: Likewise.
2834 * cpperror.c: Likewise.
2835 * cppexp.c: Likewise.
2836 * cppfiles.c: Likewise.
2837 * cpphash.c: Likewise.
2838 * cpplib.c: Likewise.
2839 * cppmain.c: Likewise.
2840 * cppulp.c: Likewise.
2841 * demangle.h: Likewise.
2842 * doprint.c: Likewise.
2843 * dyn-string.c: Likewise.
2844 * eh-common.h: Likewise.
2845 * fix-header.c: Likewise.
2846 * frame.c: Likewise.
2849 * gen-protos.c: Likewise.
2850 * gencheck.c: Likewise.
2851 * halfpic.h: Likewise.
2853 * machmode.h: Likewise.
2854 * mbchar.c: Likewise.
2855 * prefix.c: Likewise.
2856 * protoize.c: Likewise.
2857 * recog.h: Likewise.
2859 * scan-decls.c: Likewise.
2861 * varray.h: Likewise.
2863 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
2865 * i386.md (call_value_pop): If we're not popping anything,
2866 defer to call_value.
2867 (call_pop): Likewise defer to call.
2869 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
2871 * function.c (purge_addressof): Clear purge_addressof_replacements
2872 only after processing the whole function.
2874 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
2876 * reload1.c (reload): If we can not perform a particular elimination
2877 when we thought we could earlier, then we must always iterate through
2878 the loop at least one more time.
2880 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
2882 * alpha.c (add_operand): Simplify the CONST_INT match.
2883 (sext_add_operand): Correct typo in comparison by using
2884 CONST_OK_FOR_LETTER_P.
2885 * alpha.md (s?addq): Use sext_add_operand to allow the negative
2886 constant alternatives to be generated.
2887 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
2888 small constants, since the hw instructions do.
2890 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2892 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
2893 previous insn to store directly into our reload register, make sure
2894 that if the source of the previous insn is a reload register, its
2895 spill_reg_store and spill_reg_stored_to values are cleared.
2897 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
2899 * rs6000.md (floatunssidf2_internal splitter): Use base register
2900 operand, not hard-coded SP.
2902 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2904 * jump.c (calculate_can_reach_end): Fix thinko.
2906 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
2908 * reorg.c (fill_simple_delay_slots): Fix typo.
2910 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
2912 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
2914 * i386.md (extendsidi2): Use # in the output template.
2915 (extendsidi splitters): New splitters.
2917 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
2919 * configure.in: Use unknown-elf.h as tm_file for arm-elf
2921 * configure: Regenerate.
2923 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2925 * jump.c (init_label_info, delete_barrier_successors,
2926 mark_all_labels, delete_unreferenced_labels,
2927 delete_noop_moves, calculate_can_reach_end): New functions broken
2928 out of jump_optimize.
2929 (jump_optimize): Use them.
2931 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2933 * except.c (expand_fixup_region_end): Make sure outer context labels
2934 are not issued in an inner context during cleanups.
2936 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
2938 * alpha.md (addsi3, subsi3): No new temporaries once cse is
2941 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
2943 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
2944 to expose this midpoint to CSE.
2946 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2948 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
2950 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2952 * configure.in: Bring over gcc2 change of Nov 19 1997.
2954 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
2956 * toplev.c (output_lang_identify): Make definition dependent on
2957 ASM_IDENTIFY_LANGUAGE.
2959 * print-rtl.c (spaces): Make static.
2961 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
2963 * extend.texi: Clarify proper uses for register clobbers in asms.
2965 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2967 * recog.h (enum op_type): Define.
2968 (constrain_operands): Adjust prototype.
2969 (recog_op_type): Declare new variable.
2970 * recog.c (recog_op_type): New variable.
2971 (insn_invalid_p): Allow modifying an asm statement after reload.
2972 (extract_insn): Set up recog_op_type.
2973 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
2974 Don't compute operand types, use recog_op_type.
2975 Use the information computed by extract_insn instead of the previous
2976 method of finding it by insn code number.
2977 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
2978 * reorg.c (fill_slots_from_thread): Likewise.
2979 * reload1.c (reload_as_needed): Likewise.
2980 (gen_reload): Likewise.
2981 (inc_for_reload): Likewise.
2982 (reload_cse_simplify_operands): Likewise.
2983 Use the information computed by extract_insn instead of the previous
2984 method of finding it by insn code number.
2985 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
2987 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
2988 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
2989 Use the information computed by extract_insn instead of the previous
2990 method of finding it by insn code number.
2991 * regmove.c (find_matches): Likewise. Change meaning of the return
2992 value to be nonzero if the optimization can be performed, zero if
2993 not. All callers changed.
2994 Shorten some variable names to fix formatting problems.
2995 (regmove_optimize): Shorten some variable names to fix formatting
2997 Use the information computed by extract_insn instead of the previous
2998 method of finding it by insn code number.
2999 * regclass.c (scan_one_insn): Likewise.
3000 (record_reg_classes): Don't compute operand types, use recog_op_type.
3001 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
3002 recog_constraints instead.
3004 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
3006 * rtl.h (flow2_completed): Declare.
3007 * flow.c (flow2_completed): Definition.
3008 * toplev.c (rest_of_compilation): Set and clear flow2_completed
3011 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
3013 * Makefile.in (libcpp.a): Ranlib libcpp.a
3015 * cppulp.c (user_label_prefix): Initialize.
3017 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
3019 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
3020 at a RETURN if current_function_sp_is_unchanging is set.
3022 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3024 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
3026 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
3028 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
3029 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
3030 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
3031 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
3032 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
3033 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
3035 (LIB_SPEC): Handle -mno-cyginw option.
3036 (LINK_SPEC): Handle -mdll.
3038 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3040 * reload.c (find_reloads): Fix test for usage by other reload
3041 to handle secondary reloads properly.
3043 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3045 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
3046 intermediate structure which has exactly the members provided by
3047 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
3048 static intermediate structure.
3050 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
3051 from the intermediate structure. Do the same analogous fix in
3052 the case where ELIMINABLE_REGS is not defined.
3054 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
3056 * pa.h (SELECT_SECTION): Fix thinko.
3058 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
3060 * dwarf2out.c (output_call_frame_info): Comments on last change.
3062 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
3064 * arm.c (add_constant): When taking the address of an item in the
3065 pool, get the mode of the item addressed.
3067 * arm.c (final_prescan_insn case INSN): If an insn doesn't
3068 contain a SET or a PARALLEL, don't consider it for conditional
3071 Restore ABI compatibility for NetBSD.
3072 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
3074 (RETURN_IN_MEMORY): Likewise.
3076 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
3078 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
3079 (m32r_output_block_move): Rewrite bytes < 4 handling.
3081 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3083 * configure.in: Call AC_FUNC_VFORK.
3085 * collect2.c: Define VFORK_STRING as a printable string for
3086 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
3087 defined, include vfork.h. If VMS is defined, define vfork()
3088 appropriately. Remove vfork check on USG, we're using autoconf.
3089 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
3090 checking locally what string to pass.
3091 (scan_prog_file): Likewise.
3092 (scan_libraries): Likewise.
3094 * gcc.c: Remove vfork check on USG, we're using autoconf.
3095 Besides, no calls to vfork/fork occur in this file.
3097 * protoize.c: Likewise.
3099 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3101 * configure.in (DEFAULT_LINKER): renamed from LD
3102 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
3103 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
3104 * configure: rebuilt
3106 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3108 * BUGS: fix the regexp for `more' to find the appropriate node.
3109 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
3111 * BUGS: added link to the WWW FAQ
3113 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
3115 * version.c: Bump for snapshot.
3117 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
3119 * From Christian Gafton:
3120 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
3121 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
3122 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
3124 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
3126 * c-common.c (c_get_alias_set): Allow all type-punning through
3127 unions. Don't get confused about the type of a bit-field, despite
3128 the antics of build_modify_expr.
3130 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
3132 * fixinc.sco: Paramaterize #include_next values.
3133 * fixinc/fixinc.sco: Likewise.
3135 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
3137 * toplev.c (rest_of_compilation): No longer set reload_completed.
3138 * reload1.c (reload): Set it here. Perform instruction splitting
3139 after reload has completed if we will be running the scheduler
3142 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
3144 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
3145 EH region if exceptions are enabled and we're performing cross
3147 (find_cross_jump): Exit loop if the insns are in different EH regions.
3149 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
3151 * dwarf2out.c (output_call_frame_info): Use
3152 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
3154 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3156 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
3157 * c-common.c (check_format_info): Don't check for the 'x'
3158 format character twice, instead check for 'x' and 'X'
3160 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
3162 * configure.in (assembler features): Also make gas is configured if
3163 we find it in the souce tree.
3165 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
3167 * i386.c (i386_comp_type_attributes): Compare whether the
3168 attributes are defined, not their tree nodes.
3170 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3172 * configure.in (gxx_include_dir): bitten by autoconf quoting
3174 * configure: rebuilt
3176 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3178 * configure.in: Ignore non-absolute value in $AS.
3180 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
3182 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
3184 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
3186 * configure.in (msdosdjgpp): Set exeext and target_alias.
3188 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3190 * flow.c (XNMALLOC): New macro.
3191 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
3193 (add_edge, add_edge_to_label): New static functions.
3194 (free_bb_memory): New function.
3195 (flow_delete_insn): Delete function.
3196 (basic_block_drops_in): Delete variable.
3197 (find_basic_blocks): Allocate and initialize basic_block_head,
3198 basic_block_succ. Don't allocate basic_block_drops_in.
3199 Call free_bb_memory at the beginning.
3200 (find_basic_blocks_1): Don't do multiple passes.
3201 Delete code to compute basic_block_drops_in.
3202 After calling make_edges, mark blocks reached by current block live.
3203 Update test for unreachable live blocks.
3204 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
3206 Simplify to call add_edge_to_label when a LABEL_REF is found.
3207 (make_edges): Simplify to call add_edge_to_label instead of
3208 mark_label_ref most of the time.
3209 Compute here whether control drops into the next block.
3210 (delete_unreachable_blocks): Return void. All callers changed.
3211 Delete unreachable blocks in reverse order.
3212 After deleting all unreachable blocks, renumber the remaining ones
3213 and update n_basic_blocks.
3214 (delete_block): Speed up deletion a bit.
3215 Don't set basic_block_drops_in for deleted blocks.
3216 (free_basic_block_vars): Don't free basic_block_drops_in.
3217 (life_analysis_1): Update to use new edge representation.
3218 (dump_flow_info): Delete code to print basic block info; call
3219 dump_bb_data instead.
3220 (compute_preds_succs): Delete code to recompute basic_block_drops_in
3221 and uid_block_number.
3222 Simply copy the previously computed cfg.
3223 (dump_bb_data): New arg LIVE_INFO. All callers changed.
3224 Print register lifetime information if LIVE_INFO is nonzero.
3225 * basic-block.h (dump_bb_data): Adjust prototype.
3226 * gcse.c (gcse_main): Update call to dump_bb_data.
3227 * rtl.h (free_bb_memory): Declare.
3228 * toplev.c (rest_of_compilation): Call free_bb_memory.
3230 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
3231 (update_eliminable_offsets): Don't compute it.
3232 (set_initial_elim_offsets): Don't initialize it.
3233 Break out some code into set_initial_label_offsets so the rest of
3234 this function can be called from reload_as_needed.
3235 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
3236 ELIMINABLE_REGS isn't.
3237 (set_initial_label_offsets): New function, broken out of
3238 set_initial_elim_offsets.
3239 (set_offsets_for_label): New function, broken out of set_label_offsets
3240 and reload_as_needed.
3241 (reload): Call the two new functions.
3242 (reload_as_needed): Call set_initial_elim_offsets instead of
3243 duplicating the code. Likewise for set_offsets_for_label.
3245 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
3246 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
3247 any hard reg, reg_reloaded_dead contains valid data.
3249 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
3251 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
3252 "stdcall" and "cdecl" attributes.
3254 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
3256 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
3257 handle deleted no-op moves of hard registers.
3258 * haifa-sched.c (update_flow_info): Likewise.
3260 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
3262 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
3263 of the sequences to reload the HILO register which do not actually
3266 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
3268 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
3270 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
3272 * except.c (emit_eh_context): Make the EH context register stay alive
3273 at -O0 so stupid.c doesn't get confused.
3275 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3277 * emit-rtl.c (try_split): Do not try to split a BARRIER.
3279 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
3280 Jeffrey A Law (law@cygnus.com)
3282 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
3283 (zero_extendsidi2): Use # in output template and handle completely by
3285 (zero_extend splitters): New define_splits.
3286 (ashiftrt_32): New pattern.
3288 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3290 * tree.c (append_random_chars): New fn.
3291 (get_file_function_name_long): Use it.
3293 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
3295 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
3296 (LIBCPP_OBJS): New. Add cppulp.o.
3297 (cppmain, fix-header): Depend on and use libcpp.a.
3298 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
3299 of the individual object files.
3300 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
3303 * cccp.c (user_label_prefix): New.
3304 (main): Set it off -f*leading-underscore.
3305 (special_symbol): Use it.
3306 * cpplib.c (special_symbol): Likewise.
3307 (cpp_handle_option): Handle -f*leading-underscore.
3308 * cppulp.c: New file.
3310 * output.h (user_label_prefix): Declare it.
3311 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
3312 * toplev.c (f_options, main): Handle -f*leading-underscore.
3314 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
3315 referencing USER_LABEL_PREFIX directly.
3316 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
3317 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
3318 * final.c (asm_fprintf): Use user_label_prefix instead.
3319 * arm/thumb.c (thumb_print_operand): Likewise.
3321 * gcc.c (default_compilers): Pass -f*leading-underscore on to
3322 cpp wherever appropriate.
3324 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
3326 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
3327 specific compiler switches.
3329 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
3331 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
3334 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3336 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
3337 structure which has exactly the members provided by EXTRA_SPECS.
3338 Xmalloc() the real `extra_specs', and initialize it from this
3339 intermediate structure.
3341 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
3343 * mips.h (EXTRA_SPECS): Likewise.
3345 * sparc.h (EXTRA_SPECS): Likewise.
3347 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3349 * function.c (purge_addressof_1): Instead of aborting when a
3350 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
3351 work just put the ADDRESSOF on stack. Otherwise remember all such
3352 successfull replacements, so that exactly the same replacements
3353 can be made on the REG_NOTEs. Remove the special case for CALL
3355 (purge_addressof_replacements): New variable.
3356 (purge_addressof): Clear it at end.
3358 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3360 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
3361 (lang_init): Call check_newline always.
3362 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
3363 cpp_start_read, set yy_cur and yy_lim to read from
3364 parse_in.token_buffer, so that we'll see the first #line
3366 * cpplib.c (cpp_start_read): finclude the main input file
3367 before processing -include/-imacros. Process -imacros and
3368 -include separately, and handle -include by stacking a
3369 buffer for the file in question as if it'd been #included.
3370 * toplev.c (documented_lang_options) Recognize -H when
3373 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3375 * cpplib.c: Merge do_once into do_pragma. Break file handling
3376 code out of do_include.
3377 Move append_include_chain, deps_output,
3378 file_cleanup, redundant_include_p, import_hash,
3379 lookup_import, add_import, read_filename_string, read_name_map,
3380 open_include_file, finclude, safe_read to cppfiles.c.
3381 Move prototypes for deps_output, append_include_chain,
3382 finclude to cpplib.h. Move definition of struct
3383 file_name_list there also.
3385 * cppfiles.c: New file. Contains all the above functions
3386 broken out of cpplib.c; also hack_vms_include_specification
3387 from cccp.c and find_include_file, a new function broken out of
3390 * Makefile.in (cppmain): Depend on cppfiles.o.
3391 (fix-header): Likewise.
3392 (cppfiles.o): New target.
3393 * configure.in (--enable-c-cpplib): Add cppfiles.o to
3394 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
3396 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
3398 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
3399 if pending_types is non-zero.
3400 (dwarfout_finish): Verify pending_types is zero before finishing.
3402 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
3404 * expr.c (convert_move): Use shifts to perform the move if a
3405 suitable extend pattern cannot be found. Code written by
3406 Richard Henderson <rth@cygnus.com>.
3408 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3410 * regclass.c (renumber, regno_allocated): New static variables, moved
3411 out of allocate_reg_info.
3412 (allocate_reg_info): Move these two variables outside the function.
3413 Move code to free memory into new function free_reg_info.
3414 (free_reg_info): New function, broken out of allocate_reg_info.
3415 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
3416 * rtl.h (allocate_reg_info): Don't declare.
3417 (free_reg_info): Declare.
3419 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
3421 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
3423 * toplev.c (compile_file): Temporarily revert last change.
3425 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3427 * c-typeck.c (convert_for_assignment): Parenthesize.
3429 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3431 * reload1.c (delete_output_reload): Avoid ambigous else.
3433 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
3435 * toplev.c (compile_file): Call allocate_reg_info to free register
3437 * rtl.h (allocate_reg_info): Declare.
3439 * PROJECTS: Remove entry for local spilling.
3441 * final.c (cleanup_subreg_operands): New function.
3442 (final_scan_insn): Use it.
3443 (alter_subreg): Clear the "used" field when we turn a SUBREG into
3445 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
3446 operands when reload has finished.
3447 * reload.h (cleanup_subreg_operands): Declare..
3448 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
3449 reload. Handled in reload itself.
3451 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3453 * reload1.c (verify_initial_offsets): New function.
3454 (reload): Call it after reload_as_needed. Also verify that the frame
3455 size stays constant during reload_as_needed.
3456 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
3458 * reload.h (struct insn_chain): Add need_operand_change element.
3459 * reload1.c (new_insn_chain): Clear it.
3460 (calculate_needs_all_insns): Set it; don't overload need_reload.
3461 (reload_as_needed): Use it.
3463 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
3464 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
3465 and reload_address_index_reg_class.
3466 (find_reloads_address_1): Likewise.
3467 * reload.h (reload_address_base_reg_class,
3468 reload_address_index_reg_class): Don't declare.
3469 * reload1.c (reg_old_renumber, pseudo_previous_regs,
3470 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
3471 (used_spill_regs): Now static.
3472 (reload_address_base_reg_class, reload_address_index_reg_class,
3473 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
3474 basic_block_needs, max_needs, group_size, group_mode, max_groups,
3475 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
3478 (init_reload): Delete code to compute base/index reg classes.
3479 (reload): Delete variable J.
3480 Delete code to manage basic_block_needs.
3481 Don't compute regs_explicitly_used.
3482 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
3483 pseudo_previous_regs.
3484 Initialize bad_spill_regs_global.
3485 Don't call order_regs_for_reload here.
3486 Don't initialize spill_reg_order and n_spills.
3487 Don't forbid explicitly used regs to be used for spill regs.
3488 Change main loop to infinite loop, with explicit break statements.
3489 Make SOMETHING_CHANGED variable local to that loop.
3490 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
3491 max_groups_insn, max_nongroups_insn, group_size, group_mode.
3492 Make sure spilled_speudos is cleared before calling spill_hard_reg or
3494 Don't call dump_needs.
3495 Delete code to reset potential_reload_regs.
3496 Delete code to terminate loop conditional on the global needs variables
3497 showing no further needs.
3498 (calculate_needs_all_insns): Return void. All callers changed.
3499 Initialize somehing_needs_elimination here, not in reload.
3500 Delete avoid_return_reg kludge.
3501 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
3502 All callers changed.
3503 Initialize the group_mode and group_size elements of the arg CHAIN.
3504 Delete code to manage basic_block_needs.
3505 Operate on elements of CHAIN instead of global variables.
3506 Delete avoid_return_reg kludge.
3507 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
3508 All callers changed.
3509 Operate on elements of CHAIN instead of global variables.
3510 Delete special SMALL_REGISTER_CLASSES code.
3511 Delete spill_failure code; now in new_spill_reg.
3512 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
3513 All callers changed.
3514 Operate on elements of CHAIN instead of global variables.
3515 (maybe_mark_pseudo_spilled): New static function.
3516 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
3517 All callers changed.
3518 Operate on elements of CHAIN instead of global variables.
3519 Call order_regs_for_reload here, not in reload.
3520 Initialize spill_reg_order and n_spills.
3521 Simplify test whether an asm insn is involved.
3522 Delete spill_failure code; now in new_spill_reg.
3523 Call maybe_mark_pseudo_spilled for everything marked as live in
3524 CHAIN. Merge CHAIN's used_spill_regs into the global variable
3526 (dump_needs): Take CHAIN arg. No longer static, to prevent the
3527 compiler from optimizing this function (now unused) away.
3528 Operate on elements of CHAIN instead of global variables.
3529 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
3531 Operate on elements of CHAIN instead of global variables.
3532 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
3533 take CHAIN arg. All callers changed.
3534 Operate on elements of CHAIN instead of global variables.
3535 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
3536 CHAIN, NONGROUP args. Return void. All callers changed.
3537 Verify caller isn't trying to spill a pseudo.
3538 Simplify test for illegal reg, just use bad_spill_regs.
3539 Generate better error messages.
3540 Operate on elements of CHAIN instead of global variables.
3541 Mark spilled register in CHAIN's used_spill_regs element.
3542 Don't call spill_hard_reg.
3543 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
3544 Mark spilled hard regs in bad_spill_regs_global.
3545 Mark affected pseudos in spilled_pseudos, but don't spill them.
3546 (ior_hard_reg_set): New static function.
3547 (finish_spills): Return int. All callers changed.
3548 Compute spill_reg_order, n_spills and spill_regs here. Also update
3549 regs_ever_live for regs used as spills.
3550 For every pseudo in spilled_pseudos, spill it and mark the previous
3551 hard reg it had in pseudo_previous_regs. Compute which hard regs
3552 arseudo): New static function.
3553 (order_regs_for_reload): Take CHAIN arg. All callers changed.
3554 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
3555 hard registers explicitly used across the current insn into the set.
3556 Compute hard_reg_n_uses taking only pseudos live across this insn
3558 Tweak sorting of potential_reload_regs.
3559 (compare_spill_regs): Delete function.
3560 (reload_as_needed): Don't sort the spill_regs array, it's computed
3561 in proper order in finish_spills.
3562 Delete avoid_return_reg kludge.
3563 Delete code to manage basic_block_needs.
3564 (allocate_reload_reg): Minor speed/readability tweaks.
3565 Operate on elements of CHAIN instead of global variables.
3566 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
3567 Delete avoid_return_reg kludge.
3568 Initialize reload_reg_used from CHAIN's used_spill_regs element.
3569 Delete unused label FAIL.
3570 (reload_combine): Replce reload_address_index_reg_class with
3572 Don't use used_spill_regs to determine information about lifetime of
3575 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
3577 * toplev.c (display_help): Ignore empty target specific
3578 options, and if -W is also specified on the command line then
3579 display undocumented options.
3581 * config/arm/arm.c: Updated with changes in devo sources.
3582 * config/arm/arm.h: Updated with changes in devo sources.
3583 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
3584 * config/arm/lib1thumb.asm: Add ELF support.
3586 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
3588 * collect2.c (aix64_flag): New variable.
3589 (main, case 'b'): Parse it.
3590 (GCC_CHECK_HDR): object magic number must match mode.
3591 (scan_prog_file): Only check for shared object if valid header.
3592 Print debugging if header/mode mismatch.
3594 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
3596 Added support for arm-elf-linux configuration, submitted by Philip
3597 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
3598 code developed by Catherine Moore <clm@cygnus.com>. The following
3601 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
3604 * configure: Regenerated.
3606 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
3607 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
3608 definitions conditional on their not having been already defined.
3610 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
3611 and .type directives, and add "(PLT)" qualification to function
3614 * config/arm/linux.h: Deleted. This file is now superceeded by
3615 either linux-elf.h or linux-aout.h.
3617 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
3618 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
3620 Move definitions from old linux.h file here.
3622 * config/arm/elf.h: New file. Generic ARM/ELF support.
3624 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
3626 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
3628 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
3629 using the 26bit APCS.
3631 * config/arm/unknown-elf.h: New file. Support for OS'es other
3632 than Linux with ELF.
3634 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
3637 * config/arm/coff.h: Include aout.h for basic assembler macros.
3638 Add support for -mstructure_size_boundary=<n> command line option.
3640 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
3641 command line option. Make macro definitions conditional on their
3642 not having been already defined.
3644 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
3645 command line option.
3648 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
3650 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
3651 has been changed to not include a newline. Use this macro instead.
3652 (output_enumeral_list, const_value_attribute, name_attribute,
3653 comp_dir_attribute, prototyped_attribute, producer_attribute,
3654 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
3655 dwarfout_file_scope_decl, generate_new_sfname_entry,
3656 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
3657 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
3659 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
3661 * combine.c (subst): Process the inputs to a parallel asm_operands
3664 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
3666 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
3668 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
3670 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
3672 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
3674 * version.c: Bump for snapshot.
3676 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
3678 * stmt.c (expand_fixup): Set fixup->before_jump to a
3679 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
3681 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3683 * Makefile.in (recog.o): Depend on toplev.h.
3684 (insn-emit.o): Depend on recog.h.
3685 (insn-peep.o): Depend on recog.h and insn-config.h.
3687 * combine.c (simplify_set): Remove unused variable `scratches'.
3689 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
3690 and `idx' in macro conditional controlling their use.
3692 * genemit.c (main): Make the generated output file include
3693 recog.h. Don't have it declare `insn_operand_constraint', since
3694 we get it from recog.h.
3696 * genpeep.c (main): Make the generated output file include
3697 insn-config.h and recog.h.
3699 * recog.c: Include toplev.h.
3700 (extract_insn): Remove unused variable `p'.
3702 * regclass.c (fix_register): Add missing braces around initializer
3704 (allocate_reg_info): Move variable `i' into the scope where it is
3705 used. Change its type to `size_t'.
3707 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3709 * reload.c (push_reload): When merging reloads, make sure
3710 that reload_in_reg and reload_in are from the same reload in
3713 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
3715 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
3716 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
3718 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
3720 * loop.c (loop_has_tablejump): New variable.
3721 (prescan_loop): Scan for it.
3722 (insert_bct): Replace explicit scan with use of it.
3723 * regclass.c (regclass): Restore loop variable j.
3724 (record_reg_classes): Deterine op_types modifiers and initialize
3725 classes[i] before matching constraints. Handle matching
3728 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
3730 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
3733 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3735 * mips.h (EXTRA_SPECS): Add missing initializers.
3737 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3739 * sparc.h (EXTRA_SPECS): Add missing initializers.
3740 (sparc_defer_case_vector): Provide a prototype.
3742 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
3743 comparing it to the result of a pointer subtraction.
3745 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3747 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
3748 the argument to (unsigned char).
3750 * alpha.h (EXTRA_SPECS): Add missing initializers.
3751 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
3754 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
3756 * flow.c (life_analysis_1): Enable "rescan" code after reload.
3757 (propagate_block): Delete dead code after reload.
3759 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
3760 back Oct 15, 1998 change.
3761 * haifa-sched.c (update_flow_info): Likewise.
3762 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
3764 * mn10200.md (truncated shift): Accept constant inputs too.
3766 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
3768 * machmode.h (mode_mask_array): No longer const.
3769 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
3771 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3773 * frame.c: Somewhat explain `FDE'.
3774 Suggested by Brendan Kehoe
3776 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
3778 * expr.c (pending_chain): Move up.
3779 (save_expr_status): Do save pending_chain.
3780 (restore_expr_status): And restore it.
3781 * function.h (struct function): Add pending_chain.
3783 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3785 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
3786 did not match the code.
3788 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3790 * regclass.c (regclass): Break out some code into new function
3791 scan_one_insn, and into regclass_init.
3792 (init_cost): New static variable, moved out of regclass.
3793 (regclass_init): Initialize it here, not in .
3794 (scan_one_insn): New static function, broken out of regclass.
3795 * recog.c (apply_change_group): Break out some code into new
3796 function insn_invalid_p.
3797 (insn_invalid_p): New static fn, broken out of apply_change_group.
3799 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
3801 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
3802 reg_reloaded_contents matches incremented pseudo.
3804 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
3806 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3808 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
3809 addressing modes with side effects. These are currently
3810 placeholders for the C4x target.
3812 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3814 * loop.c (express_from): Make sure that when generating a PLUS of
3815 a PLUS, any constant expression appears on the outermost PLUS.
3817 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
3819 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
3820 works if "$(srcdir)" != ".".
3822 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
3824 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
3825 existing SUBREG if we can, otherwise abort.
3827 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
3829 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
3830 `restrict' is applied to a non-pointer variable.
3832 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
3834 * invoke.texi: Document -flang-isoc9x.
3836 * Makefile.in (OBJS): Add splay-tree.o.
3837 (c-common.o): Depend on rtl.h.
3838 (splay-tree.o): List dependencies and provide build rule.
3840 * rtl.h (record_alias_subset): New function.
3841 * alias.c: Include splay-tree.h.
3842 (alias_set_entry): New type.
3843 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
3844 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
3845 (mems_in_disjoin_alias_sets_p): New function.
3846 (alias_set_compare): Likewise.
3847 (insert_subset_children): Likewise.
3848 (get_alias_set_entry): Likewise.
3850 * tree.h (TYPE_RESTRICT): New macro.
3851 (TYPE_UNQUALIFIED): New manifest constant.
3852 (TYPE_QUAL_CONST): Likewise
3853 (TYPE_QUAL_VOLATILE): Likewise.
3854 (TYPE_QUAL_RESTRICT): Likewise.
3855 (tree_type): Add restrict_flag. Reduce count of free bits.
3856 (DECL_POINTER_ALIAS_SET): New macro.
3857 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
3858 (tree_decl): Add pointer_alias_set.
3859 (build_qualified_type): New function.
3860 (build_type_variant): Define in terms of build_qualified_type.
3861 * tree.c (set_type_quals): New function.
3862 (make_node): Initializae DECL_POINTER_ALIAS_SET.
3863 (build_type_attribute_variant): Use build_qualified_type and
3865 (build_type_variant): Rename, and modify, to become...
3866 (build_qualified_type): New function.
3867 (build_complex_type): Use set_type_quals.
3869 * c-tree.h (C_TYPE_OBJECT_P): New macro.
3870 (C_TYPE_FUNCTION_P): Likewise.
3871 (C_TYPE_INCOMPLETE_P): Likewise.
3872 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
3873 (c_apply_type_quals_to_decl): New function.
3874 (c_build_qualified_type): New function.
3875 (c_build_type_variant): Define in terms of c_build_qualified_type.
3876 (flag_isoc9x): Declare.
3877 * c-typeck.c (qualify_type): Use c_build_qualified_type.
3878 (common_type): Change to use TYPE_QUALS.
3879 (comptypes): Likewise.
3880 (convert_for_assignment): Likewise.
3881 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
3882 * c-decl.c (flag_isoc9x): Define.
3883 (c_decode_option): Handle -flang-isoc9x.
3884 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
3885 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
3886 * c-lex.c (init_lex): Deal with restrict.
3887 (init_lex): Don't treat restrict as a reserved word in
3888 -traditional mode, or without -flang-isoc9x.
3889 * c-lex.h (rid): Add RID_RESTRICT.
3890 * c-parse.gperf (restrict, __restrict, __restrict__): Make
3891 equivalent to RID_RESTRICT.
3892 * c-parse.in (TYPE_QUAL): Update comment.
3893 * c-common.c: Include rtl.h.
3894 (c_find_base_decl): New function.
3895 (c_build_type_variant): Rename, and modify, to become ...
3896 (c_build_qualified_type): New function.
3897 (c_apply_type_quals_to_decl): Likewise.
3898 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
3899 a particular alias set for the reference.
3900 * toplev.c (documented_lang_options): Add -flang-isoc9x.
3902 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
3904 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
3905 command line switches.
3907 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
3909 * reload.c (loc_mentioned_in_p): Add missing braces to bind
3912 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
3914 * gcc.c (option_map): Added --classpath and --CLASSPATH.
3916 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
3918 * regclass.c (fix_register): Add error message.
3919 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
3922 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3924 * c-decl.c (warn_missing_noreturn): New global variable.
3925 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
3926 (finish_function): Implement missing noreturn warning.
3928 * c-tree.h (warn_missing_noreturn): Declare extern.
3930 * invoke.texi: Document new flags.
3932 * toplev.c (documented_lang_options): Add description.
3934 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3936 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
3937 loop optimization stable for the C4x.
3938 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
3939 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
3940 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
3942 (c4x_address_conflict): Be more paranoid when packing a volatile
3943 memref in a parallel load/store.
3945 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3947 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
3948 repeat_block_filler): Deleted.
3949 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
3950 Condition code not set if destination register from 'c' class.
3951 (*subbqi3_carry_clobber): Fix typo.
3953 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3955 * reorg.c (steal_delay_list_from_target) Check for insns that
3956 modify the condition codes and effect the direction of the jump
3959 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3961 * function.c (purge_addressof_1): Replace call to
3962 emit_insns_before() with emit_insn_before().
3964 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
3966 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
3968 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3970 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
3972 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3974 * gcse.c (compute_hash_table): Correctly identify hard regs which are
3975 clobbered across calls.
3977 * loop.c (scan_loop): Be more selective about what invariants are
3978 moved out of a loop.
3980 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
3982 * version.c: Bump for snapshot.
3984 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3986 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
3987 static eh_context structure.
3989 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3991 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
3993 (try_combine): Don't update max_scratch.
3994 * flow.c (max_scratch, num_scratch): Delete variables.
3995 (life_analysis_1): Don't initialize max_scratch.
3996 (propagate_block): Don't update max_scratch.
3997 (mark_set_1): Don't increment num_scratch.
3998 * regs.h (max_scratch): Delete declaration.
4000 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
4002 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
4003 is nonzero. This is temporary!
4005 * sched.c (update_flow_info): Handle death notes made invalid by
4006 instruction splitting. Partially reverts Oct 15, 1998 patch.
4007 * haifa-sched.c (update_flow_info): Likewise.
4009 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
4011 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
4012 if it has a nonzero DECL_INITIAL.
4014 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4016 * Makefile.in (flow.o): Depend on recog.h.
4018 * cpplib.h (directive_table): Add missing initializiers.
4019 (finclude): Change type of variable `bsize' to size_t.
4021 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
4023 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
4025 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
4026 `int' when comparing against one.
4027 (cpp_file_line_for_message): Mark parameter `pfile' with
4029 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
4031 * flow.c: Include recog.h.
4032 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
4034 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
4035 `f' with ATTRIBUTE_UNUSED.
4036 (reposition_prologue_and_epilogue_notes): Likewise.
4038 * genopinit.c (gen_insn): Cast argument of ctype functions to
4041 * haifa-sched.c: Include recog.h.
4042 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
4043 comparing against one.
4045 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
4047 * mips-tfile.c (parse_end): Cast the argument of ctype function to
4049 (parse_ent): Likewise.
4050 (parse_input): Likewise.
4052 * optabs.c (init_libfuncs): Likewise.
4054 * protoize.c (find_rightmost_formals_list): Likewise.
4056 * recog.h (const_double_operand): Fix typo in prototype.
4058 * tlink.c (scan_linker_output): Cast the argument of ctype
4059 function to `unsigned char'.
4061 * toplev.c (check_lang_option): Cast the result of `strlen' to
4062 `int' when comparing against one.
4064 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
4066 * gcse.c (dump_cuid_table): Correct typo.
4068 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
4070 * toplev.c (display_help): Prepend '-m' to target specific
4072 (check_lang_option): Ignore text after end of first word of a
4073 language specific option.
4075 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4077 * reload1.c (reg_used_by_pseudo): New static variable.
4078 (choose_reload_regs): Initialize it.
4079 Use it instead of testing spill_reg_order to determine whether a
4080 pseudo is live in a hard register across the current insn.
4081 Fix a typo in a reference to reload_reg_rtx.
4083 * flow.c (propagate_block): Replace code that computes and uses
4084 regs_sometimes_live with simpler code that just walks the set of
4085 currently live registers.
4087 * Makefile.in (insn-extract.o): Fix dependencies.
4088 * genextract.c (main): Generate includes for insn-config.h and
4090 Delete generation of declarations which are now in recog.h.
4091 * genrecog.c (main): Delete generation of definitions which are
4093 * local-alloc.c (block_alloc): Use extract_insn and the variables
4094 it sets up instead of looking up values by insn_code.
4095 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
4096 recog_dup_num): Define here instead of generating the definition in
4098 (recog_n_operands, recog_n_dups, recog_n_alternatives,
4099 recog_operand_mode, recog_constraints, recog_operand_address_p):
4101 (extract_insn): New function.
4102 * recog.h (extract_insn): Declare function.
4103 (which_alternative, recog_n_operands, recog_n_dups,
4104 recog_n_alternatives, recog_operand_mode, recog_constraints,
4105 recog_operand_address_p): Declare variables.
4106 * regclass.c (n_occurrences): New static function.
4107 * reload.c (n_occurrences): Delete function.
4108 (find_reloads): Use extract_insn.
4109 * reload.h (n_occurrences): Delete declaration.
4111 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
4113 * reload1.c (reload_as_needed): Fix test for when to call
4114 update_eliminable_offsets.
4116 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4118 Fix consistency problems with reg_equiv_{mem,address};
4119 Improve reload inheritance;
4121 * reload.c (reload_out_reg): New variable.
4122 (loc_mentioned_in_p, remove_address_replacements): New functions.
4123 (remove_replacements): Deleted.
4124 (push_reload): Set reload_out_reg[i].
4125 When merging, also set reload_{in,out}_reg[i], and remove
4126 duplicate address reloads.
4127 (combine_reloads): Copy reload_out_reg[i].
4128 (find_reloads): Do make_memloc substitution also when
4129 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
4131 Include *recog_operand_loc in commutativity operand changes.
4132 Generate optional output reloads.
4133 Delete reference to n_memlocs. Don't set *recog_operand_loc before
4134 processing operands. Call make_memloc in reg_equiv_address code.
4135 Set *recog_operand_loc only after processing operands, and only
4136 if replace is true. Return a value.
4137 When changing address reload types for operands that didn't get
4138 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
4139 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
4140 Don't emit USEs for pseudo SUBREGs when not replacing.
4141 (find_reloads_address): Do make_memloc substitution also when
4142 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
4144 (find_reloads_toplev): Likewise.
4145 Call make_memloc in reg_equiv_address code.
4146 (debug_reload_to_stream): Add code to output reload_out_reg.
4147 (make_memloc): Delete local variable i, ifdefed out code, and
4148 references to memlocs and n_memlocs.
4149 (memlocs, n_memlocs): Delete.
4150 (push_secondary_reload): Clear reload_out_reg.
4151 (find_reloads_address_1): Provide memrefloc argument to all calls
4152 to find_reloads_address.
4153 In AUTO_INC code, handle non-directly addressable equivalences properly.
4154 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
4155 (find_reloads): Add return type.
4156 (remove_address_replacements, deallocate_reload_reg): Declare.
4157 * reload1.c (num_not_at_initial_offset): No longer static.
4158 (delete_address_reloads, delete_address_reloads_1): Likewise.
4159 (deallocate_reload_reg): New function.
4160 (spill_reg_stored_to): New array.
4161 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
4162 (eliminate_regs_in_insn): Move assignments of previous_offset and
4163 max_offset fields, and recalculation of num_not_at_initial_offset
4164 into new static function:
4165 (update_eliminable_offsets) .
4166 (reload_as_needed): Call update_eliminable_offsetss after calling
4168 Call forget_old_reloads_1 with contents of reloaded auto_inc
4169 expressions if the actual addressing can't be changed to match the
4171 (choose_reload_regs): For inheritance, replace
4172 reload_reg_free_before_p test with reload_reg_used_at_all test, and
4173 remove stand-alone reload_reg_used_at_all test.
4174 Use reload_out_reg to determine which reload regs have output reloads.
4175 Treat reload_override_in more similar to inherited reloads.
4176 Handle (subreg (reg... for inheritance.
4177 For flag_expensive_optimizations, add an extra pass to remove
4178 unnecessary reloads from known working inheritance.
4179 Delete obsolete code for pseudos replaced with MEMs.
4180 Handle inheritance from auto_inc expressions.
4181 (emit_reload_insns): If reload_in is a MEM, set OLD to
4183 Don't reload directly from oldequiv; if it's a pseudo with a
4184 stack slot, use reload_in[j].
4185 Check that reload_in_reg[j] is a MEM before replacing reload_in
4186 from reg_reloaded_contents.
4187 Include non-spill registers in reload inheritance processing.
4188 Also try to use reload_out_reg to set spill_reg_store /
4189 reg_last_reload_reg.
4190 In code to set new_spill_reg_store, use single_set to find out if
4191 there is a single set.
4192 Add code that allows to delete optional output reloads.
4193 Add code to allow deletion of output reloads that use no spill reg.
4194 At the end, set reload_override_in to oldequiv.
4195 Also call delete_output_reload if reload_out_reg is equal to old
4197 Add code to call delete_output_reload for stores with no matching load.
4198 Set / use spill_reg_stored_to.
4199 Handle case where secondary output reload uses a temporary, but
4200 actual store isn't found.
4201 When looking for a store of a value not loaded in order to call
4202 delete_output_reload, count_occurences should return 0 for no
4203 loads; but discount inherited input reloadill_reg_stored_to.
4204 Do checks for extra uses of REG. Changed all
4206 Use delete_address_reloads.
4207 (reload): Take return value of find_reloads into account.
4208 If a no-op set needs more than one reload, delete it.
4209 (reload_reg_free_before_p): RELOAD_FOR_INPUT
4210 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
4211 for the same operand.
4212 (clear_reload_reg_in_use): Check for other reloads that keep a
4214 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
4215 RELOAD_FOR_OPADDR_ADDR.
4216 Take into account when an address address reload is only needed
4217 for the address reload we are considering.
4218 (count_occurrences): Use rtx_equal_p for MEMs.
4219 (inc_for_reload): Return instruction that stores into RELOADREG.
4220 New argument two, IN, and rtx. Changed all callers.
4221 (calculate_needs_all_insns, reload_as_needed):
4222 Don't clear after_call for a CLOBBER.
4223 Keep track of how many hard registers need to be copied from
4224 after_call, and don't clear after_call before we have seen
4225 that much copies, or we see a different instruction.
4227 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
4229 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
4230 after reload has completed.
4232 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
4234 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
4235 a macro name and the next token with a single blank if that whitespace
4236 is in a macro buffer and the next token is not '('.
4238 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
4240 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
4242 (skip_if_group): Ditto.
4243 (skip_to_end_of_comment): Ditto.
4245 (discard_comments): Ditto.
4246 (change_newlines): Ditto.
4248 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
4250 * c-lex.c (yylex): Fix unaligned access of wchar_t.
4252 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
4254 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
4255 (TARGET_OPTIONS): Add --help documentation.
4257 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4259 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
4261 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
4263 * fixinc/* Moved in from ../contrib directory in preparation
4264 for integrating it into the normal build process. In particular,
4265 fixinc/Makefile.in must be config-ed into the build directory
4266 as fixinc/Makefile. Proposed patches to ./Makefile.in and
4267 ./configure.in will be "in the mail" momentarily.
4269 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
4271 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
4272 accidently walk into the free list. Comment how that can happen.
4273 (invalidate): Fix indentation.
4275 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4276 Jeffrey A Law (law@cygnus.com)
4278 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
4279 reload. Never perform rescans of the insn chain after reload.
4280 (propagate_block): Do not delete insn or create new autoinc addressing
4283 * jump.c (jump_optimize): Unconditionally use the code that was
4284 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
4285 * reload1.c (reload): When reloading is finished, delete all
4286 REG_DEAD and REG_UNUSED notes.
4287 (emit_reload_insns): Delete all code that was conditional on
4288 PRESERVE_DEATH_INFO_REGNO_P.
4289 (no_longer_dead_regs): Delete variable.
4290 (reload_cse_delete_death_notes): Delete function.
4291 (reload_cse_no_longer_dead): Delete function.
4292 (reload_cse_regs_1): Delete all code to handle deletion of death
4294 (reload_cse_noop_set_p): Likewise.
4295 (reload_cse_simplify_set): Likewise.
4296 (reload_cse_simplify_operands): Likewise.
4297 (reload_cse_move2add): Likewise.
4298 * reorg.c (used_spill_regs): Delete declaration.
4299 (max_label_num_after_reload): Delete declaration.
4300 (find_dead_or_set_registers): Don't assume that spill regs are
4301 dead at a CODE_LABEL.
4302 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
4304 * sched.c (sched_analyze_insn): Likewise.
4305 (update_flow_info): Likewise.
4306 * haifa-sched.c (sched_analyze_insn): Likewise.
4307 (update_flow_info): Likewise.
4308 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
4309 * toplev.c (max_label_num_after_reload): Delete variable.
4310 (rest_of_compilation): Don't set max_label_num_after_reload.
4311 Call life_analysis after reload_cse_regs if optimizing.
4312 * config/gmicro/gmicro.h: Delete comment referring to
4313 PRESERVE_DEATH_INFO_REGNO_P.
4314 * config/i386/i386.h: Likewise.
4315 * config/m88k/m88k.h: Likewise.
4316 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
4317 * config/sh/sh.h: Likewise.
4319 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
4321 * loop.c (strength_reduce): Restore marking bct_p as
4323 * rs6000.c (optimization_options): Change #ifdef HAIFA to
4324 HAVE_decrement_and_branch_on_count.
4325 (small_data_operand): Remove TARGET_ELF condition for marking
4326 parameters ATTRIBUTE_UNUSED.
4328 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
4330 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
4331 (SELECT_SECTION): Resync with svr4.h.
4333 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
4335 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
4338 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
4340 * c-pragma.c (handle_pragma_token): Test for null tree before
4341 dereferencing TREE_CODE.
4343 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4345 * config/c4x/c4x.c: Convert to use GEN_INT.
4346 (c4x_parallel_process): Rework to handle new repeat loop structure.
4348 * config/c4x/c4x.md: Convert to use GEN_INT.
4349 (rptb_end): Convert to use GE test. Replace uses with clobbers.
4350 (decrement_and_branch_on_count): Likewise.
4352 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
4353 loop.c has the desired functionality.
4354 (rc_reg_operand): New prototype.
4356 * config/c4x/t-c4x: Can now build all front ends.
4358 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
4360 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
4362 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
4364 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
4365 * config/t-rtems: Do not install assert.h -- use newlib's.
4367 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4369 * combine.c (combine_instructions): When finished, call init_recog.
4370 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
4372 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
4374 * toplev.c: If flag_syntax_only, don't open or write assembler file.
4376 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4378 * cppalloc.c (memory_full): Mark function prototype with
4381 * demangle.h (collect_exit): Likewise.
4383 * fix-header.c (v_fatal, fatal): Likewise.
4385 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
4388 * gcov.c (print_usage): Likewise.
4390 * genattr.c (fatal, fancy_abort): Likewise.
4392 * genattrtab.c (fatal, fancy_abort): Likewise.
4394 * gencodes.c (fatal, fancy_abort): Likewise.
4396 * genconfig.c (fatal, fancy_abort): Likewise.
4398 * genemit.c (fatal, fancy_abort): Likewise.
4400 * genextract.c (fatal, fancy_abort): Likewise.
4402 * genflags.c (fatal, fancy_abort): Likewise.
4404 * genopinit.c (fatal, fancy_abort): Likewise.
4406 * genoutput.c (fatal, fancy_abort): Likewise.
4408 * genpeep.c (fatal, fancy_abort): Likewise.
4410 * genrecog.c (fatal, fancy_abort): Likewise.
4412 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
4413 __sjpopnthrow, __throw): Likewise.
4415 * objc/objc-act.c (objc_fatal): Likewise.
4417 * protoize.c (usage, aux_info_corrupted,
4418 declare_source_confusing): Likewise.
4420 * rtl.c (dump_and_abort): Likewise.
4422 * rtl.h (sets_cc0_p): Likewise.
4424 * toplev.c (float_signal, pipe_closed): Likewise.
4426 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4428 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
4429 when generating the decision tree for the general case.
4431 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
4432 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
4434 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4436 * Makefile.in (sched.o): Depend on recog.h.
4438 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
4439 (unsigned) when comparing against one.
4440 (find_base_value): Likewise.
4441 (record_base_value): Cast variable `regno' to (unsigned) when
4442 comparing against one. Cast the result of REGNO() macro to
4443 (unsigned) when comparing against one.
4444 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
4446 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
4447 variable where an unsigned index is needed.
4449 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
4450 before comparing against one.
4452 * collect2.c: Add prototypes for functions `error', `fatal' and
4453 `fatal_perror'. Make these functions take variable arguments
4454 instead of faking it with a fixed number of args.
4455 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
4458 * combine.c (can_combine_p): Mark parameter `pred' with
4460 (find_split_point): Cast variable `src' to (unsigned
4461 HOST_WIDE_INT) when comparing against one.
4462 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
4463 (simplify_logical): Likewise.
4464 (force_to_mode): Cast result of INTVAL() macro to (unsigned
4465 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
4466 HOST_WIDE_INT) in shift.
4467 (simplify_and_const_int): Cast result of INTVAL() macro to
4468 `unsigned HOST_WIDE_INT' when comparing against one.
4469 (merge_outer_ops): Cast variable const0 to `unsigned
4470 HOST_WIDE_INT' when comparing against the result of
4471 GET_MODE_MASK() macro.
4472 (simplify_comparison): Likewise for variable `c0'. Cast variable
4473 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
4474 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
4475 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
4476 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
4477 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
4478 comparing against one.
4479 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
4481 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
4482 macro to `unsigned HOST_WIDE_INT' when comparing against one.
4483 (output_block_move): Cast `sizeof' expression to (int) when
4484 comparing against one.
4485 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
4487 (save_restore_insns): Cast `base_offset' to `long' to match format
4488 specifier in fprintf.
4490 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
4491 to `enum machine_mode'.
4493 * flow.c (life_analysis_1): Remove unused variable `insn'.
4495 * gcc.c (translate_options): Move variables `j' and `k' into the
4496 scope in which they are used. Change their types to `size_t'.
4497 (set_spec): Cast the argument of ctype macro to `unsigned char'.
4498 (read_specs): Likewise.
4499 (process_command): Cast `sizeof' to (int) when comparing against one.
4500 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
4501 (handle_braces): Cast both sides of `==' expression to `long' to
4502 ensure sign matching.
4503 (main): Cast variable `i' to `int' when comparing against one.
4505 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
4506 int to size_t. Cast variable `i' to size_t when comparing against
4509 * genattrtab.c (convert_set_attr_alternative): Remove unused
4510 parameter `insn_code'. All callers changed.
4511 (convert_set_attr): Likewise.
4513 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
4514 size_t when comparing against one. Likewise for variable `len'.
4516 * global.c (global_alloc): Cast variable `max_regno' to size_t
4517 when comparing against one. Likewise for variable `max_allocno'.
4519 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
4521 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
4522 `set' with ATTRIBUTE_UNUSED.
4523 (find_free_reg): Cast `sizeof' expression to (int) when comparing
4526 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
4527 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
4528 (get_condition): Cast variable `const_val' to `unsigned
4529 HOST_WIDE_INT' when comparing against one. Cast unsigned
4530 expression to HOST_WIDE_INT when comparing against one.
4531 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
4532 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
4533 `unsigned' when comparing against one.
4535 * protoize.c (is_id_char): Change type of parameter `ch' to
4537 (munge_compile_params): Cast argument of ctype macro to (const
4539 (process_aux_info_file): Cast variable `aux_info_size' to int when
4540 comparing against one.
4541 (forward_to_next_token_char): Cast argument of ctype macro to
4542 `const unsigned char'.
4543 (edit_formals_lists): Likewise.
4544 (find_rightmost_formals_list): Likewise.
4545 (add_local_decl): Likewise.
4546 (add_global_decls): Likewise.
4547 (edit_fn_definition): Likewise.
4548 (do_cleaning): Likewise.
4549 (scan_for_missed_items): Likewise.
4550 (edit_file): Cast variable `orig_size' to (int) when comparing
4552 (main): Cast argument of ctype macro to `const unsigned char'.
4554 * recog.c (const_int_operand): Mark parameter `mode' with
4557 * regclass.c (record_reg_classes): Change type of variable `c' to
4558 `unsigned char'. Cast `char' array index to `unsigned char'.
4560 * reload.c (push_secondary_reload): Cast argument to
4561 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
4563 * reload1.c (calculate_needs): Cast `char' array index to
4565 (set_label_offsets): Change type of variable `i' to unsigned int.
4566 Cast result of XVECLEN() macro to unsigned when comparing against
4568 (mark_not_eliminable): Change type of variable `i' to unsigned.
4569 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
4570 when comparing against one.
4571 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
4572 comparing against one.
4573 (choose_reload_regs): Hide unused label `fail'.
4574 (reload_cse_simplify_operands): Cast `char' array index to
4576 (reload_combine_note_store): Mark parameter `set' with
4577 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
4579 (reload_cse_move2add): Remove unused variable `src2'.
4581 * sched.c: Include recog.h.
4582 (sched_note_set): Remove unused parameter `b'. All callers
4584 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
4585 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
4586 when comparing against one.
4588 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
4589 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
4590 comparing against one.
4592 * unroll.c (precondition_loop_p): Remove unused parameter
4593 `loop_end'. All callers changed.
4595 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4597 * reload1.c (maybe_fix_stack_asms): New static function.
4600 * reload.h (compute_use_by_pseudos): Declare.
4602 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
4603 (something_needs_reloads): Delete variable.
4604 (finish_spills): New function.
4605 (compute_use_by_pseudos): New function.
4607 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
4608 Use the reload_insn_chain instead of walking the rtl directly.
4610 (reload): Allocate and free spilled_pseudos.
4611 Ensure that all calls of spill_hard_reg are followed by a call to
4613 Use the insns_need_reload list instead of something_needs_reloads
4614 to find out if reload_as_needed must be called.
4615 Clear unused_insn_chains at the end.
4617 (calculate_needs_all_insns): Lose FIRST parameter. All callers
4619 Delete code to keep track of current basic block.
4620 Walk reload_insn_chain instead of the rtl structure. Build the
4621 insns_need_reload chain.
4622 Remember which insns need reloading/elimination by setting the
4623 appropriate fields in struct insn_chain, not by putting modes on the
4626 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
4627 arg INSN. All callers changed.
4628 Delete declaration of struct needs.
4629 Don't set something_needs_reloads.
4630 Record insn needs in the CHAIN argument.
4632 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
4634 (reload_as_needed): Lose FIRST arg. All callers changed.
4635 Walk the reload_insn_chain instead of the rtx structure.
4636 Delete code to keep track of current basic block.
4637 Rename one of the NEXT variables to OLD_NEXT.
4639 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
4641 (choose_reload_regs): Likewise.
4643 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
4646 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
4647 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
4648 (hard_regs_live, hard_regs_need_restore): Delete variables.
4649 (n_regs_saved): Now static.
4650 (referenced_regs, this_insn_sets): New variables.
4652 (setup_save_areas): Restructure the code a bit.
4654 (restore_referenced_regs): Delete function.
4655 (mark_referenced_regs): New function, similar to the old
4656 restore_referenced_regs, but mark registers in referenced_regs.
4658 (clear_reg_live): Delete function.
4659 (mark_set_regs): Renamed from set_reg_live. All callers changed.
4660 Only mark registers in this_insn_sets.
4662 (save_call_clobbered_regs): Rework this function to walk the
4663 reload_insn_chain instead of using the list of instructions directly.
4664 Delete code to keep track of register lives, compute live regs on the
4665 fly from information in the chain.
4666 Instead of calling restore_referenced_regs, use mark_referenced_regs,
4667 then walk the set it computes and call insert_restore as appropriate.
4669 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
4671 Restructure the code a bit. Test hard_regs_saved instead of
4672 hard_regs_need_restore.
4673 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
4674 args. All callers changed.
4675 Restructure the code a bit. Use TO_SAVE to determine which regs to
4676 save instead of more complicated test.
4677 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
4679 Create a new insn_chain structure for the new insn and place it
4682 * rtl.texi: Update documentation to reflect that reload no longer
4683 puts modes on the insns.
4685 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4687 * function.c (purge_addressof_1): Force the first argument of a
4688 CALL insn to memory.
4690 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
4692 * rtl.h: Delete duplicate prototypes. Add some missing
4694 * rtlanal.c: (for_each_rtx): Formatting tweak.
4696 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4698 * real.c (emdnorm and etoasc): Disable round to even for c4x target
4699 to be compatible with TI compiler.
4701 * Makefile.in (USER_H): Add va-c4x.h to definition.
4703 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
4705 * function.c (purge_addressof_1): Fix typo in inequality: do
4706 bitfield optimization for equal mode sizes.
4707 * expmed.c (store_bit_field): Don't take subregs of subregs in
4708 the movstrict case. Tidy a potential problem in the multi-word case.
4709 (extract_bit_field): Likewise.
4711 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4713 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
4715 Compute max_uid_for_flow by calling get_max_uid after the scan.
4716 (find_basic_blocks_1): Don't emit NOPs here.
4718 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
4720 * alias.c (base_alias_check): Accept new args for the modes of the
4721 two references. Use them to determine if an AND can overlap. Update
4723 (memrefs_conflict_p): Assume sizes are aligned, and uses them
4724 to determine if an AND can overlap.
4726 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
4728 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
4729 check. Add comment to document problems with TARGET_SUN_FPA version
4731 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
4733 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4735 * Makefile.in (gencheck.o): Depend on gansidecl.h.
4737 * c-common.c (print_char_table): Add missing initializers.
4738 (scan_char_table): Likewise.
4739 (time_char_table): Likewise.
4741 * c-decl.c (c_decode_option): Mark parameter `argc' with
4743 (declare_parm_level): Mark parameter `definition_flag' with
4746 * c-lex.c (readescape): Use `(unsigned)1' in shift.
4747 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
4750 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
4752 (emit_call_1): Mark parameters `fndecl' and `funtype' with
4754 (expand_call): Cast result of MIN() to (unsigned int) when
4755 comparing against an unsigned value.
4757 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
4759 (make_definition): Remove unused parameter `op'. All callers
4761 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
4762 comparing against the result of pointer arithmetic.
4764 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
4765 when comparing against one.
4767 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
4768 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
4770 (output_die): Move variable `i' into the scope in which it is
4771 used. Change its type to `unsigned'.
4772 (output_die): Cast the result of `strlen' to (int) when passing it
4773 to ASM_OUTPUT_ASCII().
4774 (output_pubnames): Likewise.
4775 (output_line_info): Likewise.
4777 * emit-rtl.c (global_rtl): Add missing initializers.
4779 * explow.c (promote_mode): Mark parameter `for_call' with
4782 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
4783 `unsigned HOST_WIDE_INT' when comparing against one.
4784 (synth_mult): Change type of variable `cost' to int.
4785 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
4787 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
4788 when comparing against one.
4789 (get_inner_reference): Change variable `alignment' to unsigned.
4790 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
4791 int) when comparing against one.
4792 (expand_builtin_setjmp): Change type of variable `i' to size_t.
4794 * fold-const.c (div_and_round_double): Cast BASE to
4795 (HOST_WIDE_INT) when comparing against one.
4797 * gencheck.c: Include gansidecl.h.
4798 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
4800 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
4801 `tcode' with ATTRIBUTE_UNUSED.
4803 * real.c (edivm): Cast constant value to (unsigned long) in
4804 expression compared against an unsigned value.
4806 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
4807 comparing against one.
4808 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
4809 when comparing against one.
4811 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
4812 (unsigned int) when comparing against one. Likewise for
4814 (smallest_mode_for_size): Likewise.
4815 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
4816 (restore_storage_status): Likewise.
4818 * toplev.c (debug_args): Add missing initializer.
4819 (f_options): Spelling correction. Add missing initializers.
4820 (documented_lang_options): Likewise.
4821 (debug_end_source_file): Mark parameter `lineno' with
4824 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
4825 `decl' and `type' with ATTRIBUTE_UNUSED.
4827 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
4828 when comparing against one.
4829 (assemble_variable): Mark parameter `top_level' with
4831 (assemble_external_libcall): Mark parameter `fun' with
4833 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
4836 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
4838 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
4839 Replace use of r5 with use of r19.
4841 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
4843 * config/v850/v850.c (compute_register_save_size): Allow for the
4844 fact that helper functions save all registers, not just those used
4847 Replace constant 31 with macro LINK_POINTER_REGNUM.
4849 * config/v850/v850.md: Use 'indirect_operand' rather than
4850 'memory_operand' for bit test/set/clear patterns.
4852 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
4854 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
4855 * varasm.c (assemble_start_function et al): Don't call
4856 ASM_GLOBALIZE_LABEL for weak symbols.
4858 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
4860 * cse.c (equiv_constant): Check for NULL return from
4861 gen_lowpart_if_possible().
4863 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
4865 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
4867 * collect2.c (main): Pass -EL/-EB through to the compiler.
4869 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4871 * expr.c (push_block): Handle targets where the stack grows
4872 to higher addresses, but args grow to lower addresses and
4873 ACCUMULATE_OUTGOING_ARGS is not defined.
4875 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
4877 * config/v850/v850.c (print_operand): Extend meaning
4878 of 'c' operands to support .vtinherit.
4880 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4882 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
4883 Added ATTRIBUTE_UNUSED to unused function arguments.
4884 (rc_reg_operand): New predicate.
4885 (c4x_rptb_insert): New function.
4886 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
4887 (c4x_optimization_options): New function.
4889 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
4890 (decrement_and_branch_on_count): New pattern.
4891 (rptb_top): Modified pattern to work with BCT optimization.
4893 * config/c4x/c4x.h (RC_REG): New register class.
4894 (rc_reg_operand): Define prototype.
4895 (IS_RC_REG): New macro.
4896 (IS_RC_OR_PSEUDO_REG): New macro.
4897 (IS_RC_OR_PSEUDO_REGNO): New macro.
4898 (OPTIMIZATION_OPTIONS): Define.
4900 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
4902 * collect2.c (extract_init_priority): No priority is 65535.
4904 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4906 * Makefile.in (build_tooldir): new variable, same as old
4907 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
4908 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
4909 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
4911 * configure.in (gxx_include_dir): set default based on unlibsubdir
4912 * Makefile.in (tooldir): ditto
4913 (cccp.o, cpplib.o): use unlibsubdir implicitly through
4914 gxx_include_dir, includedir and tooldir
4915 (protoize.o, unprotoize.o): ditto
4917 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
4919 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
4921 * config/arm/thumb.c (thumb_override_options): Add warning about
4922 PIC code not being supported just yet.
4924 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
4926 * flow.c: Update comment.
4927 (notice_stack_pointer_modification): New static function.
4928 (record_volatile_insns): Use it.
4929 (mark_regs_live_at_end): Mark the stack pointer as alive
4930 at the end of the function if current_function_sp_is_unchanging
4932 (life_analysis_1): Set current_function_sp_is_unchanging.
4933 * function.c: Define it.
4934 (init_function_start): Initialize it.
4935 * output.h: Declare it.
4936 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
4937 the stack pointer as alive at the end of the function if
4938 current_function_sp_is_unchanging is set.
4939 * i386.c (ix86_epilogue): Optimize the restoring
4940 of the stack pointer.
4942 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
4944 * version.c: Bump for snapshot.
4946 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
4948 * c-pragma.c (handle_pragma_token): If passed a token instead
4949 of a tree, use that as the pack value.
4951 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
4953 * flow.c (find_basic_blocks_1): Fix prototype.
4955 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
4957 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
4958 (struct tree_decl): New fields no_check_memory_usage.
4959 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
4960 (init_attributes): Register it as a new attribute.
4961 (decl_attributes): Set flags on functions given that attribute.
4962 * c-decl.c (duplicate_decls): Merge new attribute.
4963 * expr.h (current_function_check_memory_usage): Declare new var.
4964 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
4965 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
4966 current_function_check_memory_usage.
4967 * function.h: Add field to struct function.
4968 * function.c (current_function_check_memory_usage): Define it.
4969 (push_function_context_to, pop_function_context_from): Save and
4971 (expand_function_start): Set it, based on global flag and function
4974 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
4975 check non-automatic variables, to permit detection of writes to
4976 read-only locations in embedded systems without memory management.
4977 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
4978 when emitting chkr_set_right_libfunc call, even if the argument is
4979 BLKmode or variable-sized; don't abort.
4981 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
4982 symbols in Pmode, not VOIDmode.
4984 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4986 * cppexp.c: When forcing unsigned comparisons, cast both sides
4989 * cpphash.h: Move static declaration of hashtab[]...
4990 * cpphash.c: ...here.
4992 * cpplib.c: Cast difference of two pointers to size_t before
4993 comparing it to size_t. Cast signed to unsigned
4994 before comparing to size_t. (FIXME: struct argdata should use
4995 unsigned buffer sizes.)
4996 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
4997 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
4998 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
4999 size_t before comparison.
5001 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
5003 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
5004 (find_basic_blocks_1): Similarly.
5005 * output.h (find_basic_blocks): Fix prototype.
5006 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
5007 find_basic_blocks anymore.
5009 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
5011 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
5012 (sbitmap_free, sbitmap_vector_free): New macros.
5013 * output.h (rtl_dump_file): Declare.
5015 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
5017 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
5019 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5021 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
5023 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
5024 (divide): Remove unused variable `tmp'.
5025 (si_to_float): Cast numeric constant to (SItype) before comparing
5028 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
5030 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
5031 * gcc.c (add_preprocessor_option): Correct typo when allocating
5032 memory, sizeof() argument had one too many `*'.
5033 (add_assembler_option): Likewise.
5034 (add_linker_option): Likewise.
5035 * gcov.c (output_data): Likewise.
5036 * local-alloc.c (memref_used_between_p): Likewise.
5037 (update_equiv_regs): Likewise.
5038 * loop.c (strength_reduce): Likewise.
5039 * reg-stack.c (record_asm_reg_life): Likewise.
5040 (subst_asm_stack_reg): Likewise.
5041 * reorg.c (dbr_schedule): Likewise.
5043 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5045 * flow.c (life_analysis_1): Break out some functions.
5046 (find_basic_blocks_1): Likewise. Also move some variables out and
5048 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
5049 new static var nonlocal_label_list with it.
5050 (active_eh_region, nested_eh_region, label_value_list,
5051 nonlocal_label_list): New static variables.
5052 (make_edges, delete_unreachable_blocks, delete_block): New static
5053 functions, broken out of find_basic_blocks_1.
5054 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
5055 noop_move_p): New static functions, broken out of life_analysis_1.
5057 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
5059 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
5060 Take extra care for op0 now possibly being a subreg.
5061 (extract_bit_field): Likewise.
5062 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
5063 the reg to memory if there is no equal sized integral mode.
5064 * stor-layout.c (int_mode_for_mode): New function.
5065 * machmode.h: Prototype it.
5067 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
5069 * global.c (build_insn_chain): Verify no real insns exist past the
5070 end of the last basic block, then exit the loop.
5072 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5074 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
5076 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
5078 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
5080 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
5082 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
5084 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
5086 * flow.c (find_basic_blocks): Correctly determine when a call
5087 is within an exception region.
5089 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
5091 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
5093 * cpplib.h: Protect from multiple inclusions.
5094 * cpplib.c: Fix minor formatting problems.
5096 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
5098 * jump.c (jump_optimize): Revert accidental patch.
5100 * Makefile.in (cpplib.o): Use unlibsubdir.
5102 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
5104 * loop.c (get_condition): Allow combine when either compare is
5107 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
5109 * version.c: Bump for snapshot.
5111 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
5113 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
5114 (init_lex): Initialize ridpointers[RID_BYREF].
5115 * c-lex.h (enum rid): Add RID_BYREF.
5116 * c-parse.gperf: Add RID_BYREF as a type qualifier.
5117 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
5118 (encode_type_qualifiers): Similarly
5119 * c-gperf.h: Rebuilt.
5121 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
5123 * c-common.c (type_for_mode): Only return TItype nodes when
5124 HOST_BITS_PER_WIDE_INT is >= 64 bits.
5125 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
5126 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
5127 (init_decl_processing): Only create TItype nodes when
5128 HOST_BITS_PER_WIDE_INT is >= 64 bits.
5129 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
5130 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
5132 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5134 * stmt.c (n_occurrences): New static function.
5135 (expand_asm_operands): Verify that all constrains match in the
5136 number of alternatives.
5137 Verify that '+' or '=' are at the beginning of an output constraint.
5138 Don't allow '&' for input operands.
5139 Verify that '%' isn't written for the last operand.
5140 * reload.c (find_reloads): Abort if an asm is found with invalid
5141 constraints; all possible problems ought to be checked for earlier.
5143 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5145 * flags.h (flag_branch_on_count_reg): Always declare
5146 * toplev.c (flag_branch_on_count_reg): Likewise.
5147 * toplev.c: Fix typos.
5149 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
5152 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
5154 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
5156 (find_basic_blocks_1): Add a nop to the end of a basic block when
5157 a trailing call insn does not have abnormal control flow.
5158 * gcse.c (pre_transpout): New variable.
5159 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
5160 (compute_pre_transpout): Calculate it.
5161 (compute_pre_ppinout): Use it to eliminate impossible placements
5162 due to abnormal control flow through calls.
5163 (compute_pre_data): Call compute_pre_transpout.
5165 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5167 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
5169 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
5171 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
5172 and matching define_insns): Tack on a `use' of the table label, so
5173 flow analysis will recognize a tablejump.
5175 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
5177 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
5178 always end basic blocks for abnormal edge reasons.
5180 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
5182 * config/i386/i386.h: Remove definition of
5183 HANDLE_PRAGMA_PACK_PUSH_POP.
5185 * config/i386/go32.h: Add definition of
5186 HANDLE_PRAGMA_PACK_PUSH_POP.
5188 * config/i386/win32.h: Add definition of
5189 HANDLE_PRAGMA_PACK_PUSH_POP.
5191 * config/i386/cygwin32.h: Add definition of
5192 HANDLE_PRAGMA_PACK_PUSH_POP.
5194 * c-pragma.c (insert_pack_attributes): Do not insert
5195 attributes unless #pragma pack(push,<n>) is in effect.
5197 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
5199 * expr.c (emit_group_store): Handle a PARALLEL destination.
5201 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
5203 * gcse.c (pre_insert_insn): When a call ends a bb, insert
5204 the new insns before the argument regs are loaded.
5206 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5208 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
5209 (c-parse.gperf): Update comments describing invocation flags.
5210 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
5212 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
5214 * reload1.c (reload): Call free before clobbering the memory
5215 locations or constants pointers.
5217 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5219 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
5220 for efficiency by checking whether we need to modify the current
5221 stack permission at all.
5222 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
5223 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
5224 __enable_execute_stack libcall here too if
5225 TRANSFER_FROM_TRAMPOLINE is defined.
5226 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
5229 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
5231 * Makefile.in (DRIVER_DEFINES): Remove last change.
5233 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5235 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
5236 insns we're going to copy.
5237 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
5239 * loop.c (count_one_set): Add prototype.
5241 * caller-save.c (restore_referenced_regs): Lose mode argument.
5242 (insert_save): Lose mode argument.
5243 (insert_restore): Lose mode argument.
5244 (insert_one_insn): Lose mode argument.
5245 (save_call_clobbered_regs): Lose mode argument.
5246 (setup_save_areas): Take no argument and return void. All callers
5248 Don't verify validity of memory addresses.
5249 * reload.h (setup_save_ares): Adjust prototype.
5250 (save_call_clobbered_regs): Likewise.
5251 * reload1.c (delete_caller_save_insns): New function.
5252 (caller_save_spill_class): Delete variable.
5253 (caller_save_group_size): Delete variable.
5254 (reload): Call setup_save_areas and save_call_clobbered_regs
5255 in the main loop, before calling calculate_needs_all_insns.
5256 Don't call save_call_clobbered_regs after the loop.
5257 Call delete_caller_save_insns at the end of an iteration if
5259 Delete code to manage caller_save_spill_class.
5260 Emit the final note before setting reload_first_uid.
5261 Simplify test that determines whether reload_as_needed gets run.
5262 (calculate_needs): Delete code to manage caller_save_spill_class.
5264 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
5266 * collect2.c (main): Initialize ld_file_name.
5268 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
5270 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
5271 check for flag_function_sections.
5273 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5275 * cse.c (insert_regs): Fix bug in Sep 24 change.
5277 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5279 * flags.h (flag_dump_unnumbered): Declare.
5280 * toplev.c (flag_dump_unnumbered): Don't declare.
5281 * print-rtl.c (flags.h): Include.
5282 (print_rtl_single): Add return value.
5283 * rtl.h (print_rtl_single): Update declaration.
5284 * flow.c (flag_dump_unnumbered): Don't declare.
5285 (print_rtl_with_bb): Use return value of print_rtl_single.
5287 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5289 * loop.c (count_one_set): New static function, broken out of
5291 (count_loop_regs_set): Call it.
5292 * global.c (mark_reg_store): Handle clobbers here by not calling
5294 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
5295 is in fact a clobber.
5296 * integrate.c (process_reg_param): New function, broken out of
5297 expand_inline_function.
5298 (expand_inline_function): Call it.
5301 * i386.md (addsidi3_1): Delete unused variable temp.
5302 (addsidi3_2): Likewise.
5303 (clstrstrsi): Delete unused variable addr1.
5305 * rtl.h: Don't declare any functions also declared in recog.h.
5307 * Makefile.in (stupid.o): Update dependencies.
5308 (global.o): Likewise.
5310 * global.c: Include reload.h
5311 (reg_becomes_live): New function.
5312 (reg_dies): New function.
5313 (build_insn_chain): New function.
5314 (global_alloc): Call build_insn_chain before calling reload.
5316 * reload.h (struct needs): New structure definition.
5317 (struct insn_chain): Likewise.
5318 (reload_insn_chain): Declare variable.
5319 (new_insn_chain): Declare function.
5322 * reload1.c (reload_startobj): New variable.
5323 (reload_insn_chain): New variable.
5324 (unused_insn_chains): New variable.
5325 (new_insn_chain): New function.
5326 (init_reload): Initialize reload_startobj, not reload_firstobj.
5327 (reload): Initialize reload_firstobj.
5328 Before returning, free everything on the reload_obstack.
5330 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
5331 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
5332 current_chain): New variables.
5333 (reg_where_born): Delete variable.
5334 (REG_WHERE_BORN): New macro.
5335 (find_clobbered_regs): New function.
5336 (stupid_life_analysis): Don't allocate/free reg_where_born.
5337 Allocate and free reg_where_born_exact, reg_where_born_clobber,
5338 reg_where_dead_chain.
5339 Use REG_WHERE_BORN instead of reg_where_born.
5340 While processing the insns, build the reload_insn_chain with
5341 information about register lifetimes.
5342 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
5343 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
5345 Compute and information about birth and death of pseudo registers in
5346 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
5347 Delete code to set elements of reg_where_born.
5349 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5351 * tree.def (GOTO_EXPR): Modified documentation.
5352 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
5355 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
5357 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
5358 loop_final_value, loop_comparison_code): No longer static.
5359 (unroll_loop): Delete loop_start_value update.
5360 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
5361 loop_final_value, loop_comparison_code): Extern.
5362 (loop_start_value): Delete extern.
5363 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
5364 loop_comparison_value, loop_comparison_code): Delete.
5365 (loop_optimize): Remove initialization for deleted variables.
5366 (strength_reduce): Delete analyze_loop_iterations call. Only call
5367 insert_bct if flag_branch_count_on_reg set.
5368 (analyze_loop_iterations): Delete.
5369 (insert_bct): Remove iteration count calculation. Move checks for
5370 viable BCT optimization to here. Obtain iteration count from
5371 loop_iterations and correct for unrolling. Check for enough
5372 iteration to be beneficial. Comment out runtime iteration count
5374 (insert_bct): Print iteration count in dump file. Remove
5375 loop_var_mode and use word_mode directly.
5377 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
5378 * rs6000.c (rs6000_override_options): Use it.
5379 (optimization_options): Enable use of flag_branch_on_count_reg.
5380 * rs6000.md (define_function_unit): Describe 604e.
5382 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5384 * loop.c (move_movables): Corrected threshold calculation for
5385 moved_once registers.
5387 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5389 * loop.c (combine_givs_p): Fix test for identical givs.
5391 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
5393 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
5394 call abort if the function is already defined.
5396 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
5398 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
5399 truncation is not a no-op.
5401 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
5403 * version.c: Bump for snapshot.
5405 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
5407 * version.c: Bump for snapshot.
5409 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
5411 * expmed.c (expand_divmod): Don't widen for computing remainder
5412 if we seem to have a divmod pattern for needed mode.
5414 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5416 * cpplib.c (macroexpand): Correct off-by-one error in handling
5419 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
5421 * combine.c (expand_field_assignment): Don't do bitwise operations
5422 on MODE_FLOAT; pun to MODE_INT if possible.
5424 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
5425 scott snyder <snyder@d0sgif.fnal.gov>
5427 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
5428 linker. Recognize mangled names in quotes.
5430 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5432 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
5433 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
5434 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
5435 (lshrsi3_extend, lshrsi3_extend2): Ditto.
5437 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5439 * function.c (purge_addressof_1): If trying to take a sub-word
5440 integral piece of a floating point mode, put it on the stack.
5442 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
5444 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
5446 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
5448 * PROJECTS: Remove template friends.
5450 * collect2.c (sort_ids): Remove unused variable.
5452 * tm.texi (MATH_LIBRARY): Document.
5453 (NEED_MATH_LIBRARY): Remove.
5455 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
5456 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
5458 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
5460 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
5461 last_end to 0x7fffffff.
5463 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5465 * function.c (purge_addressof_1): Do not perform endianness
5466 corrections on bitpos, who we call will do it for us.
5468 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
5470 * h8300.c (WORD_REG_USED): Fix typo.
5471 (initial_offset): Use WORD_REG_USED.
5473 * h8300.c (handle_pragma): Fix typo.
5475 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5477 * caller-save.c (insert_save_restore): Break this function up
5478 into new functions insert_restore, insert_save and insert_one_insn.
5479 All callers changed.
5480 (insert_restore): New function, mostly broken out of
5481 insert_save_restore.
5482 (insert_save): Likewise.
5483 (insert_one_insn): Likewise.
5484 (restore_referenced_regs): New argument BLOCK. All callers changed.
5485 (save_call_clobbered_regs): Don't keep track of basic block boundaries
5486 in this function, do it in insert_one_insn instead.
5488 * reload1.c (reload): Break out some more pieces into separate
5490 (dump_needs): New function, broken out of reload.
5491 (set_initial_elim_offsets): Likewise.
5492 (init_elim_table): Likewise.
5493 (update_eliminables): Likewise.
5495 * global.c (global_alloc): Delete code to manage the scratch_list.
5496 * local-alloc.c (qty_scratch_rtx): Delete.
5497 (scratch_block): Delete.
5498 (scratch_list): Delete.
5499 (scratch_list_length): Delete.
5500 (scratch_index): Delete.
5501 (alloc_qty_for_scratch): Delete.
5502 (local-alloc): Update initialization of max_qty.
5503 Delete code to manage the scratch list.
5504 Delete code to allocate/initialize qty_scratch_rtx.
5505 (block_alloc): Don't allocate quantities for scratches.
5506 Delete code to manage the scratch list.
5507 * regs.h (scratch_list): Delete declaration.
5508 (scratch_block): Delete declaration.
5509 (scratch_list_length): Delete declaration.
5510 * reload1.c (reload): Delete code to manage the scratch list.
5511 (spill_hard_reg): Likewise.
5512 (mark_scratch_live): Delete.
5514 * recog.c (alter_subreg): Delete declaration.
5516 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
5518 * Makefile.in (cccp.o): Fix typo in last patch.
5520 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5522 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
5523 * config/sh/lib1funcs.asm (___set_fpscr): Add.
5525 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
5527 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
5528 NULL_RTX as an argument.
5530 * Makefile.in (unlibsubdir): Define.
5531 (DRIVER_DEFINES): Use unlibsubdir.
5532 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
5533 (stmp-fixinc): Similarly.
5535 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5537 * regmove.c (regmove_optimize): Add variable old_max_uid.
5538 At the end of the function, update basic_block_end.
5540 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5542 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
5543 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
5546 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
5548 * config/arm/arm.c: Improve interworking support.
5550 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5552 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
5553 copied from reload_out[r] .
5555 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
5557 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
5558 with more than three size ranges.
5560 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
5562 * rtl.c (mode_name): Add a null string at the end of the array.
5563 (mode_wider_mode): Change type to unsigned char.
5564 (mode_mask_array): New variable.
5565 (init_rtl): Update for mode_wider_mode type change.
5567 * rtl.h (mode_wider_mode): Change type to unsigned char.
5568 (mode_mask_array): Declare.
5569 (GET_MODE_MASK): Use mode_mask_array.
5571 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
5573 * calls.c (expand_call) : Encapsulate code into
5574 copy_blkmode_from_reg.
5575 * expr.c (copy_blkmode_from_reg): New function.
5576 * expr.h (copy_blkmode_from_reg): New function.
5577 * integrate.c (function_cannot_inline_p): We can inline
5579 (expand_inline_function): Use copy_blkmode_from_reg
5580 if needed. Avoid creating BLKmode REGs.
5581 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
5584 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
5586 * config/v850/v850.c: Add function prototypes.
5587 Add support for v850 special data areas.
5589 * config/v850/v850.h: Add support for v850 special data areas.
5591 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
5592 HANDLE_PRAGMA_PACK_PUSH_POP.
5593 (push_alignment): New function: Cache an alignment requested
5594 by a #pragma pack(push,<n>).
5595 (pop_alignment): New function: Pop an alignment from the
5597 (insert_pack_attributes): New function: Generate __packed__
5598 and __aligned__ attributes for new decls whilst a #pragma pack
5600 (add_weak): New function: Cache a #pragma weak directive.
5601 (handle_pragma_token): Document calling conventions. Add
5602 support for #pragma pack(push,<n>) and #pragma pack (pop).
5604 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
5605 are defined enable HANDLE_PRAGMA_PACK.
5606 Move 'struct weak_syms' here (from varasm.c).
5607 Add pragma states for push and pop pragmas.
5609 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
5612 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
5613 HANDLE_GENERIC_PRAGMAS.
5615 * varasm.c: Move definition of 'struct weak_syms' into
5617 (handle_pragma_weak): Deleted.
5619 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5621 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5623 * c-decl.c (start_function): Add invocation of
5624 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
5626 * tm.texi: Remove description of non-existant macro
5627 SET_DEFAULT_SECTION_NAME.
5629 (HANDLE_SYSV_PRAGMA): Document.
5630 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
5632 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
5634 * config.sub: Recognize i[34567]86-pc-udk as new target.
5635 * configure.in: Likewise.
5636 * config/i386/t-udk: New file.
5637 * config/i386/udk.h: New file.
5639 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
5641 * reorg.c (check_annul_list_true_false): Remove unused variables.
5642 (steal_delay_list_from_target): Add missing "used_annul" variable.
5643 (try_merge_delay_insns): Close out half formed comment.
5645 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5647 * cpplib.c (macroexpand): If arg->raw_before or
5648 arg->raw_after, remove any no-reexpansion escape at the
5649 beginning of the pasted token. Correct handling of whitespace
5650 markers and no-reexpand markers at the end if arg->raw_after.
5652 * toplev.c (documented_lang_options): Recognize -include,
5653 -imacros, -iwithprefix, -iwithprefixbefore.
5654 * cpplib.c (cpp_start_read): Process -imacros and -include
5655 switches at the same time and in command-line order, after
5656 initializing the dependency-output code. Emit properly nested
5657 #line directives for them. Emit a #line for the main file
5658 before processing these switches, and don't do it again
5661 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
5663 * function.c (purge_addressof_1): Use bitfield manipulation
5664 routines to handle mem mode < reg mode.
5666 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5668 * reorg.c (try_merge_delay_insns): Account for resources referenced
5669 in each instruction in INSN's delay list before trying to eliminate
5670 useless instructions. Similarly when looking at a trial insn's delay
5673 * reorg.c (check_annul_list_true_false): New function.
5674 (steal_delay_list_from_{target,fallthrough}): Call it and also
5675 refine tests for when we may annul if already filled a slot.
5676 (fill_slots_from_thread): Likewise.
5677 (delete_from_delay_slot): Return newly-created thread.
5678 (try_merge_delay_isns): Use its new return value.
5680 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
5682 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
5683 used to compute a giv or as some other non-counting use.
5685 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5687 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
5688 * local-alloc.c (find_free_reg): Use it.
5689 * global.c (find_reg): Likewise.
5690 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
5692 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
5693 * caller-save.c (init_caller_save): Use it.
5694 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
5696 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5698 * configure.in: Add --enable-cpplib option which uses cpplib
5699 for cpp, but doesn't link cpplib into cc1. Make help text
5700 capitalization consistent.
5701 * configure: Rebuilt.
5703 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
5705 * function.c (gen_mem_addressof): If the address REG is
5706 REG_USERVAR_P make the new REG be so also.
5707 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
5708 in an attempt to clarify slightly.
5710 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
5712 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
5713 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
5715 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
5717 * toplev.c: Fix last patch.
5719 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
5721 * loop.c (get_condition): Fix typo in May 9 change.
5723 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5725 * invoke.texi (-fexceptions): Merge 2 different descriptions.
5727 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5729 * toplev.c (documented_lang_options): Spelling corrections.
5731 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5733 * configure.in: new flags --with-ld and --with-as, equivalent
5734 to setting LD and AS environment variables. Test whether
5735 specified arguments are GNU commands, and report them with
5736 checking messages. Use the specified AS for configure
5739 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
5741 * gcc.c (find_a_file): when looking for `as' and `ld', return
5742 the DEFAULT program if it exists
5743 * collect2.c (main): use DEFAULT_LINKER if it exists
5745 * gcc.c (find_a_file): the test for existence of a full
5746 pathname was reversed
5748 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
5750 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
5751 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
5753 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
5755 * tree.h (TYPE_BINFO): Document.
5757 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
5759 * i386-coff.h (dbxcoff.h): Added.
5761 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
5763 * toplev.c: fix bad patch around flag_data_sections.
5765 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
5767 * reload1.c (reload): Use reload_address_index_reg_class and
5768 reload_address_base_reg_class when setting
5769 caller_save_spill_class. (Patch generated by Jim Wilson:
5772 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
5774 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
5775 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
5776 * expr.c (store_field): Add alias_set parameter. Set the
5777 MEM_ALIAS_SET accordingly, if the target is a MEM.
5778 (expand_assignment): Use it.
5779 (store_constructor_field): Pass 0.
5780 (expand_expr): Likewise.
5782 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
5784 * flags.h: Add flag_data_sections.
5785 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
5786 (compile_file): Error if flag_data_sections not supported.
5787 * varasm.c (assemble_variable): Handle flag_data_sections.
5788 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
5789 * config/mips/elf.h: Likewise.
5790 * config/mips/elf64.h: Likewise.
5791 * invoke.texi: Describe -fdata-sections.
5793 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
5795 * invoke.texi (-ffloat-store): Clarify that this option
5796 does not affect intermediate results -- only variables.
5798 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
5800 * cpp.texi: Update for Fortran usage from Craig.
5802 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5804 * rs6000.c (function_arg_boundary): Revert accidental change on
5807 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
5809 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
5810 (output_mi_thunk): Declare.
5812 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
5813 (output_function_profiler): Use r12 for temp, instead of r11 so
5814 that we preserve the static chain register.
5816 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
5818 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
5820 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5822 * sh.c (gen_shl_sext): Fix case 5.
5824 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5826 * reload1.c (reload_combine): Re-add line that got accidentally lost.
5828 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5830 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
5831 accessing variables until they are initialized via va_arg().
5833 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5835 * reload1.c (reload_combine): Initialize set before using.
5837 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
5839 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
5842 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
5844 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
5845 operand3 with mask before using it. Patch provided by Jim Wilson.
5847 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5849 * config/sparc/sparc.c (function_value): Perform the equivalent of
5850 PROMOTE_MODE for ARCH64.
5851 (eligible_for_epilogue_delay): Allow DImode operations in delay
5852 slot of a return for ARCH64.
5854 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5856 * sh.md (sqrtsf2): Fix mode of sqrt.
5858 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5860 * reload1.c (choose_reload_regs): Also try inheritance when
5861 reload_in is a stack slot of a pseudo, even if we already got a
5864 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5866 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
5867 (reload_cse_regs): New function body: call reload_cse_regs_1,
5868 reload_combine, reload_cse_move2add.
5869 When doing expensive_optimizations, call reload_cse_regs_1 a
5870 second time after reload_cse_move2add.
5871 (reload_combine, reload_combine_note_store): New functions.
5872 (reload_combine_note_use): New function.
5873 (reload_cse_move2add, move2add_note_store): New functions.
5875 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5877 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
5878 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
5880 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
5881 more than 3 such reloads.
5883 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
5884 RELOAD_FOR_X_ADDR_ADDR reload.
5886 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5888 * expr.c (store_constructor): When initializing a field that is smaller
5889 than a word, at the start of a word, try to widen it to a full word.
5891 * cse.c (cse_insn): When we are about to change a register,
5892 remove any invalid references to it.
5894 (remove_invalid_subreg_refs): New function.
5895 (mention_regs): Special treatment for SUBREGs.
5896 (insert_regs): Don't strip SUBREG for call to mention_regs.
5897 Check if reg_tick needs to be bumped up before that call.
5898 (lookup_as_function): Try to match known word_mode constants when
5899 looking for a norrower constant.
5900 (canon_hash): Special treatment for SUBREGs.
5902 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5904 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
5905 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
5906 defined, emit libcall to __enable_execute_stack. Also fix opcodes
5907 and offsets in actual stack trampoline code so they match the
5908 commentary and actually work.
5910 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5912 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
5914 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
5915 tmake_file. Set extra_parts to needed crt objects.
5916 * configure: Rebuilt.
5917 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
5918 (TARGET_DEFAULT): Set if default is v9 or ultra.
5919 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
5920 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
5921 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
5922 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
5923 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
5924 (TARGET_VERSION): Define.
5925 (MULTILIB_DEFAULT): Define.
5926 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
5927 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
5928 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
5930 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
5931 * config/sparc/sparc.c (sparc_override_options): If arch and
5932 pointer size disagree, emit diagnostic and fix it up. If
5933 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
5934 V8PLUS in 64-bit mode.
5935 * config/sparc/t-linux64: New file.
5936 * config/sparc/t-sol2-64: New file.
5937 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
5938 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
5939 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
5940 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
5941 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
5942 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
5944 (STARTFILE_SPEC): Set approriately based upon those.
5945 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
5946 disposition of DEFAULT_ARCH32_P.
5947 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
5948 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
5949 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
5950 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
5951 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
5953 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
5955 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
5957 * rtl.h (init_virtual_regs): New function.
5958 * emit-rtl.c (init_virtual_regs): Define.
5959 (insn_emit): Use it.
5960 * integrate.c (save_for_inline_copying): Likewise.
5962 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
5964 * config/arm/thumb.h: The following patches were made by Jim Wilson:
5965 (enum reg_class): Add NONARG_LO_REGS support.
5966 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5967 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
5968 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
5969 completes. Re-enable HImode REG+OFFSET addresses.
5970 (LEGITIMIZE_RELOAD_ADDRESS): Define.
5972 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
5974 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
5976 * alpha.c (get_aligned_mem): Revert Sep 20 change.
5977 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
5978 (alpha_align_insns): Properly calculate initial offset wrt max_align.
5980 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
5982 * arm.c (find_barrier): Revert change of Apr 23. Handle table
5983 jumps as a single entity, taking into account the size of the
5986 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5988 * tree.def (SWITCH_EXPR): New tree node definition.
5990 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
5992 * version.c: Bump for snapshot.
5994 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
5996 * version.c: Bump for snapshot.
5998 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
6000 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
6003 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
6005 * Revert this patch.
6006 * reload.c (find_reloads): Do not replace a pseudo with
6007 (MEM (reg_equiv_addr)) in the initializing insn for the
6010 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
6012 * final.c (final_scan_insn): Disable tracking CC across branches.
6014 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6016 * expr.h (eh_rtime_match_libfunc): New extern declaration.
6017 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
6018 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
6019 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
6020 NULL. Only include <stdio.h> if inhibit_libc is not defined.
6022 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
6024 * toplev.c (rest_of_compilation): Skip compiling anything with
6025 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
6027 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
6029 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
6030 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
6031 use in_libcall_block.
6032 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
6033 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
6036 Mon Sep 21 14:02:23 1998
6038 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
6039 typo in no-fancy-math-387 description.
6041 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
6043 * version.c: Bump for snapshot.
6045 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
6047 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
6049 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
6051 * i386.h: (TARGET_SWITCHES) Add description fields for flags
6052 documented in install.texi.
6053 (TARGET_OPTIONS) Likewise.
6055 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
6057 * version.c: Bump for snapshot.
6059 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
6061 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
6062 * cccp.c (main): Likewise.
6064 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
6065 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
6068 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
6070 * Makefile.in (LIBS): Link in libiberty.a.
6071 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
6073 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
6075 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
6076 it to update bb boundaries. Update caller.
6077 * function.c (reposition_prologue_and_epilogue_notes): Update
6078 bb boundaries wrt the moved note.
6080 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
6082 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
6084 * configure: Regenerate.
6086 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
6088 * alpha.c (alpha_sr_alias_set): New variable.
6089 (override_options): Set it.
6090 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
6091 (mode_mask_operand): Fix signed-unsigned comparision warning.
6092 (alpha_expand_block_move): Likewise.
6093 (print_operand): Likewise.
6094 (get_aligned_mem): Use change_address.
6095 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
6096 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
6097 (alphaev4_next_nop, alphaev5_next_nop): New functions.
6098 (alpha_align_insns): Remade from old alphaev5_align_insns
6099 to handle multiple processors.
6100 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
6101 * output.h (label_to_alignment): Prototype.
6103 * tree.c (new_alias_set): New function.
6104 * tree.h (new_alias_set): Declare it.
6105 * c-common.c (c_get_alias_set): Use it.
6107 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
6109 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
6110 to an ABS expr, convert an unsigned input to signed.
6112 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
6114 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
6116 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6118 * configure.in: Add support for c4x targets.
6119 * configure: Rebuilt.
6121 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
6123 * combine.c (distribute_notes): If an insn is a cc0 user, only
6124 delete it if we can also delete the cc0 setter.
6126 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
6128 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
6129 (invert_truthvalue): Enable truthvalue inversion for
6130 floating-point operands if -ffast-math.
6132 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
6134 * configure.in: Disable collect2 for nextstep. Instead use
6136 * configure: Rebuilt.
6137 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
6138 (ENDFILE_SPEC): Define.
6139 (OBJECT_FORMAT_MACHO): Define.
6140 (EH_FRAME_SECTION_ASM_OP): Define.
6141 * crtstuff.c: Handle MACHO.
6143 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
6145 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
6147 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
6149 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
6150 (_fpadd_parts): Get sign right for 0.
6152 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6154 * ginclude/varargs.h: Add support for C4x target.
6155 * ginclude/stdargs.h: Likewise.
6157 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
6159 * alpha.c (alpha_return_addr): SET should be VOIDmode.
6160 (alpha_emit_set_long_const): Rewrite to be callable from reload
6162 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
6163 * alpha.md (movdi): Likewise.
6165 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
6167 * arm.c (add_constant): New parameter address_only, change caller.
6168 Set it non-zero if taking the address of an item in the pool.
6169 (arm_reorg): Handle cases where we need the address of an item in
6172 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
6174 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
6175 memory addresses that are not in standard canonical form.
6177 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
6179 * README.C4X: New file with information about the c4x ports.
6180 * ginclude/va-c4x.h: New file for c4x varargs support.
6181 * config/c4x: New directory with c4x port files.
6183 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
6185 * reload.c (find_reloads): Do not replace a pseudo with
6186 (MEM (reg_equiv_addr)) in the initializing insn for the
6189 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
6191 * toplev.c (rest_of_compilation): Set bct_p on second call to
6193 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
6195 (strength_reduce): Only call analyze_loop_iterations and
6196 insert_bct if bct_p set.
6197 (check_dbra_loop): Fix typo.
6198 (insert_bct): Use word_mode instead of SImode.
6199 (instrument_loop_bct): Likewise. Do not delete iteration count
6200 condition code generation insn. Initialize iteration count before
6202 * rtl.h (loop_optimize): Update prototype.
6204 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
6205 not doubleword aligned.
6207 * rs6000.c (optimization_options): New function.
6208 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
6209 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
6210 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
6211 first; cr1 can be used for FP record condition insns.
6213 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
6215 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
6218 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
6221 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
6223 (block_move_call): New function: Call a library routine to copy a
6225 (m32r_expand_block_move): New function: Expand a "movstrsi"
6226 pattern into a sequence of insns.
6227 (m32r_output_block_move): New function: Expand a
6228 "movstrsi_internal" pattern into a sequence of assembler opcodes.
6229 (m32r_block_immediate_operand): New function: Return true if the
6230 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
6232 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6234 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
6236 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
6238 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6240 * regmove.c (copy_src_to_dest): Check that modes match.
6242 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
6244 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
6246 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
6248 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
6249 narrower than FLOAT_REGS.
6251 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6253 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
6255 * Makefile.in (old_gxx_include_dir): removed
6257 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
6259 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
6262 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
6263 (sh_handle_pragma): Change function arguments to match new
6264 specification for HANDLE_PRAGMA.
6266 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6268 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
6270 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
6271 When generating output, initialize missing struct member to zero.
6273 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6275 * regmove.c (copy_src_to_dest): Don't copy if that requires
6276 (a) new register(s).
6278 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6280 * global.c (reg_allocno): Now static.
6281 * reload1.c (reg_allocno): Delete declaration.
6282 (order_regs_for_reload): Take no arguments. Don't treat regs
6283 allocated by global differently than those allocated by local-alloc.
6285 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
6287 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
6288 condition, fix format strings.
6289 (output_function_epilogue): Likewise.
6291 * m68k/m68k.c: Don't include <stdlib.h> directly.
6293 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
6295 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
6296 mem_first_set, mem_last_set; because 0 can be a CUID.
6297 (oprs_unchanged_p): Use new definition.
6298 (record_last_reg_set_info): Likewise.
6299 (record_last_mem_set_info): Likewise.
6300 (compute_hash_table): Likewise.
6302 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
6304 * rs6000.c (output_epilogue): Handle Chill.
6306 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
6307 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
6309 * combine.c (make_extraction): If no mode is specified for
6310 an operand of insv, extv, or extzv, default it to word_mode.
6311 (simplify_comparison): Similarly.
6312 * expmed.c (store_bit_field): Similarly.
6313 (extract_bit_field): Similarly.
6314 * function.c (fixup_var_regs_1): Similarly.
6315 * recog.c (validate_replace_rtx_1): Similarly.
6316 * mips.md (extv, extzv, insv expanders): Default modes for most
6317 operands. Handle TARGET_64BIT.
6318 (movdi_uld, movdi_usd): New patterns.
6320 * pa.c (emit_move_sequence): Do not replace a pseudo with its
6321 equivalent memory location unless we have been provided a scratch
6322 register. Similarly do not call find_replacement unless a
6323 scratch register has been provided.
6325 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6327 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
6330 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
6332 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
6333 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
6334 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
6335 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
6336 * c-decl.c (init_decl_processing): Update accordingly.
6337 * expr.c (expand_builtin): Likewise.
6339 * rtl.h (global_rtl): Add cfa entry.
6340 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
6341 (LAST_VIRTUAL_REGISTER): Update.
6342 * emit-rtl.c (global_rtl): Add cfa entry.
6343 (init_emit): Initialize it.
6344 * function.c (cfa_offset): New.
6345 (instantiate_virtual_regs): Initialize it.
6346 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
6347 (expand_function_end): Call expand_eh_return.
6348 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
6350 * except.c (current_function_eh_stub_label): Kill.
6351 (current_function_eh_old_stub_label): Likwise; update all references.
6352 (expand_builtin_set_return_addr_reg): Kill.
6353 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
6354 (expand_builtin_set_eh_regs): Kill.
6355 (eh_regs): Produce a third reg for the actual handler address.
6356 (eh_return_context, eh_return_stack_adjust): New.
6357 (eh_return_handler, eh_return_stub_label): New.
6358 (init_eh_for_function): Initialize them.
6359 (expand_builtin_eh_return, expand_eh_return): New.
6360 * except.h: Update prototypes.
6361 * flow.c (find_basic_blocks_1): Update references to the stub label.
6362 * function.h (struct function): Kill stub label elements.
6364 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
6365 register number is one that would be in the previous window.
6366 Provide a dummy definition for non-windowed targets.
6367 (get_reg_addr): New function.
6368 (get_reg, put_reg, copy_reg): Use it.
6369 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
6370 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
6372 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
6373 (alpha_init_expanders): Initialize it.
6374 (alpha_expand_epilogue): Use it.
6375 * alpha.h: Declare it.
6376 * alpha.md (eh_epilogue): New.
6378 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
6379 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
6381 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
6383 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
6386 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6388 * except.h (struct eh_entry): Add false_label field.
6389 (end_catch_handler): Add prototype.
6390 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
6391 (start_catch_handler): When using old style exceptions, issue
6392 runtime typematch code before continuing with the handler.
6393 (end_catch_handler): New function, generates label after handler
6394 if needed by older style exceptions.
6395 (expand_start_all_catch): No need to check for new style exceptions.
6396 (output_exception_table_entry): Only output the first handler label
6397 for old style exceptions.
6398 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
6399 mechanism into one function, if a runtime matcher is provided.
6401 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6403 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
6405 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
6407 * integrate.c (copy_decl_list): Fix typo.
6409 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6411 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
6414 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
6416 * version.c: Bump for snapshot.
6418 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
6420 * version.c: Bump for snapshot.
6422 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
6424 * version.c: Bump for snapshot.
6426 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6428 * invoke.texi (C Dialect Options): Put back missing @end itemize.
6430 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6432 * configure.in: remove usage of `!' to negate the result of a
6433 command; some common shells do not support it
6435 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6437 * configure.in: in sparc9-sol2 config, use 'if test' not
6439 * configure: Rebuilt.
6441 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
6443 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
6444 (CPP_CPU_DEFAULT_SPEC): Likewise.
6445 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
6446 for arch64 libfuncs.
6448 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
6451 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6453 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
6455 * collect2.c: Don't declare `sys_siglist' here.
6456 (my_strsignal): Prototype and define new function. Use it in
6457 place of `sys_siglist' hacks.
6459 * mips_tfile.c: Likewise.
6461 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
6462 (GCC_NEED_DECLARATIONS): Likewise.
6464 * system.h (strsignal): Prototype it, if necessary.
6465 (sys_siglist): Declare it, if necessary.
6467 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6469 * loop.c (move_movables): While removing insn sequences, preserve
6470 the next pointer of the most recently deleted insn when we skip
6473 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
6475 * objc/config-lang.in: Do not output the name of the selected
6476 thread file when building the front-end. The Makefile for the
6477 runtime library will do this.
6479 * objc/Make-lang.in: Do not build the runtime library or install
6480 the Objective C header files. The Makefile for the runtime
6481 library will do this.
6483 * objc/Makefile.in (all.indirect): Only build the front-end.
6484 (compiler): Rename to `frontend'.
6485 (obj-runtime): Remove target.
6486 (copy-headers): Likewise.
6487 (clean): No need to remove `libobjc.a' any longer.
6489 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
6491 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
6492 supported with -mcpu=xxx.
6494 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6496 * flow.c (mark_set_1): Recognize multi-register structure return
6497 values in CALL insns.
6498 (mark_used_regs): Likewise.
6499 (count_reg_sets_1): Likewise.
6500 (count_reg_references): Likewise.
6501 * rtlanal.c (note_stores): Likewise.
6502 (reg_overlap_mentioned_p): Likewise.
6503 * haifa-sched.c (check_live_1): Likewise.
6504 (update_live_1): Likewise.
6505 (sched_analyze_1): Likewise.
6506 (sched_note_set): Likewise.
6507 (birthing_insn_p): Likewise.
6508 (attach_deaths): Likewise.
6510 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
6513 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
6515 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
6517 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6519 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
6521 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6523 * configure.in: Add check for GAS subsection -1 support.
6524 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
6525 * configure config.in: Rebuilt.
6526 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
6527 SImode is subsection -1 works, else use DImode.
6528 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
6529 subsection -1 works.
6530 * config/sparc/sparc.c (sparc_output_addr_vec,
6531 sparc_output_addr_diff_vec): Use them if defined.
6533 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
6535 * tree.h (DECL_ORIGIN): New macro.
6536 * integrate.c (copy_and_set_decl_abstract_origin): New function.
6537 (copy_decl_list): Use it.
6538 (integrate_parm_decls): Likewise.
6539 (integrate_decl_tree): Likewise.
6540 * dwarf2out.c (decl_ultimate_origin): Simplify.
6541 * dwarfout.c (decl_ultimate_origin): Likewise.
6542 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
6543 (pushdecl): Likewise.
6545 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
6547 * config/rs6000/rs6000.c (output_epilog): Add Java support.
6549 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
6551 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
6553 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
6555 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
6556 empty or has a single entry.
6558 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
6559 before calling reg_to_stack.
6561 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
6563 * alpha.c (alphaev5_insn_pipe): Abort on default case.
6564 (alphaev5_next_group): Swallow CLOBBERs and USEs.
6566 * c-tree.h (warn_long_long): Declare it.
6568 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
6570 * emit-rtl.c (gen_lowpart_common): Disable optimization of
6571 initialized float-int union if the value is a NaN.
6573 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
6575 * c-lex.c (real_yylex): Don't warn about long long constants if
6576 we're allowing long long
6578 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6580 * except.h (current_function_eh_stub_label): Declare.
6581 (current_function_eh_old_stub_label): Declare.
6582 * function.h (struct function): New members eh_stub_label and
6584 * except.c (current_function_eh_stub_label): New variable.
6585 (current_function_eh_old_stub_label): New variable.
6586 (init_eh_for_function): Clear them.
6587 (save_eh_status): Save them.
6588 (restore_eh_status): Restore them.
6589 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
6590 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
6591 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
6592 make an edge from the block that contains it to the block starting
6593 with the label if this label is one of the eh stub labels.
6594 If eh stub labels exist, show they are reachable from the last block
6597 * reload1.c (reload): Break out several subroutines and make some
6599 (calculate_needs_all_insns): New function, broken out of reload.
6600 (calculate_needs): Likewise.
6601 (find_reload_regs): Likewise.
6602 (find_group): Likewise.
6603 (find_tworeg_group): Likewise.
6604 (something_needs_reloads): New global variable, formerly in reload.
6605 (something_needs_elimination): Likewise.
6606 (caller_save_spill_class): Likewise.
6607 (caller_save_group_size): Likewise.
6608 (max_needs): Likewise.
6609 (group_size): Likewise.
6610 (max_groups): Likewise.
6611 (max_nongroups): Likewise.
6612 (group_mode): Likewise.
6613 (max_needs_insn): Likewise.
6614 (max_groups_insn): Likewise.
6615 (max_nongroups_insn): Likewise.
6616 (failure): Likewise.
6618 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
6620 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
6622 * loop.c (load_mems): Copy rtx for output mem.
6624 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
6626 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
6627 mips1 or mips2 either.
6629 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
6631 * pa.c (pa_reorg): New marking scheme for jumps inside switch
6633 (pa_adjust_insn_length): Update to work with new marking scheme
6634 for jumps inside switch tables.
6635 * pa.md (switch_jump): Remove pattern.
6636 (jump): Handle jumps inside jump tables.
6638 * Makefile.in (profile.o): Depend on insn-config.h
6640 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
6642 * iris6.h (DWARF2_UNWIND_INFO): Undef.
6644 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6646 Add preliminary native sparcv9 Solaris support.
6647 * configure.in: Recognize sparv9-*-solaris2*
6648 * configure: rebuilt
6649 * config.sub: Recognize sparcv9 just like sparc64.
6650 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
6651 config/sparc/sol2-cn.asm: Macroize so it can be shared between
6652 32-bit and 64-bit Solaris systems.
6653 * config/sparc/t-sol2: Assemble those with cpp.
6654 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
6655 (*TF*_LIBCALL): If ARCH64 use V9 names.
6656 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
6658 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6660 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
6661 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
6663 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
6665 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
6666 to Pmode if CASE_VECTOR_MODE is something else.
6668 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
6670 * prefix.c (update_path): Correctly handle cases where PATH is
6671 a substring of the builtin prefix, but specifies a different
6674 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
6676 * expr.c: Corrected comment about what MOVE_RATIO does.
6677 * config/alpha/alpha.h: Ditto.
6678 * config/1750a/1750a.h: Ditto.
6679 * config/clipper/clipper.h: Ditto.
6680 * config/i386/i386.h: Ditto.
6682 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
6684 * configure.in (m68k-next-nextstep3*): Use collect2.
6685 Similarly for x86 NeXT configurations.
6686 * configure: Rebuilt.
6688 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
6690 * configure.in: Don't assume srcdir is .../gcc
6691 * configure: Rebuilt.
6693 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
6695 * global.c: Update comments.
6696 (global_alloc): Assign allocation-numbers
6697 even for registers allocated by local_alloc in case
6698 they are later spilled and retry_global_alloc is called.
6699 (mark_reg_store, mark_reg_clobber,
6700 mark_reg_conflicts, mark_reg_death): Always record a
6701 conflict with a pseudo register even if it has been
6702 assigned to a hard register.
6703 (dump_conflicts): Don't list pseudo registers already assigned to
6704 a hard register as needing to be allocated, but do list their
6706 * local-alloc.c: Update comment.
6708 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
6710 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
6711 * configure: Rebuilt.
6713 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
6715 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
6717 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
6718 for all targets that set -msoft-float.
6720 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6722 * toplev.c (print_switch_values): Make static to match prototype.
6724 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
6726 * configure.in: If we are unable to find the "gnatbind" program,
6727 then do not configure the ada subdir.
6728 * configure: Rebuilt.
6730 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
6732 * version.c: Bump for snapshot.
6734 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
6736 * version.c: Bump for snapshot.
6738 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6740 * Makefile.in (toplev.o): Depend on $(EXPR_H).
6741 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
6743 * gansidecl.h: Define ATTRIBUTE_NORETURN.
6745 * genattrtab.c: Have insn-attrtab.c include toplev.h.
6747 * genextract.c: Have insn-extract.c include toplev.h.
6749 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
6751 * toplev.c: Include expr.h.
6752 (really_sorry, fancy_abort): Remove prototypes.
6753 (set_target_switch): Add argument in prototype.
6754 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
6755 (v_really_sorry): Likewise.
6756 (print_version, print_single_switch, print_switch_values): Make
6757 static and add prototype arguments.
6758 (decl_printable_name): Add prototype arguments.
6759 (lang_expand_expr_t): New typedef.
6760 (lang_expand_expr): Declare as a lang_expand_expr_t.
6761 (incomplete_decl_finalize_hook): Add prototype argument.
6762 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
6763 (botch): Likewise for variable `s'.
6764 (rest_of_type_compilation): Mark variables `type' and `toplev'
6765 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
6766 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
6767 (display_help): Make variable `i' an `unsigned long'.
6768 (main): Remove unused parameter `envp'.
6769 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
6770 Cast -1 when comparing it with a `size_t'.
6772 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
6773 prototype with ATTRIBUTE_NORETURN.
6774 (fatal_insn_not_found, fatal_insn, really_sorry,
6775 push_float_handler, pop_float_handler): Add prototypes.
6776 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
6777 (do_abort, botch): Add prototypes.
6779 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
6781 * final.c (final): If a label is reached only from a single jump,
6782 call NOTICE_UPDATE_CC on the jump and its predecessor before
6783 emitting the insn after the label.
6785 * i386.h: Add AMD K6 support.
6786 Change TARGET_* macros to use table lookup.
6787 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
6788 (ADJUST_COST): Change definition to call function in i386.c.
6789 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
6790 * i386.c: Add AMD K6 support.
6791 Add constants for feature tests used by TARGET_* macros.
6792 (split_di): If before reload, call gen_lowpart and gen_highpart.
6793 (x86_adjust_cost): New function.
6794 (put_jump_code): New function.
6795 (print_operand): New codes 'D' and 'd'.
6796 * i386.md: New insn types. New insn attribute "memory".
6797 Redefine scheduling parameters to use new types and add AMD K6
6798 support. Explicitly set type of most insns.
6799 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
6800 Pro and K6 prefer movl $1,reg to incl reg.
6801 (adddi3, subdi3): Set cc_status.
6802 (DImode shift patterns): Change label counters from HOST_WIDE_INT
6803 to int; x86 can't have more than 2^31 DImode shifts per file.
6804 (setcc): Combine all setcc patterns. Allow writing memory.
6805 Combine all jump patterns using match_operator.
6806 (*bzero): Name pattern. Emit mutliple stos instructions when that
6807 is faster than rep stos.
6808 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
6811 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
6813 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
6816 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
6818 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
6819 not whatever we're generating now.
6821 * alpha.c (set_frame_related_p, FRP): New.
6822 (alpha_expand_prologue): Mark frame related insns.
6823 (alpha_expand_epilogue): Likewise, but with a null FRP.
6824 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
6825 * alpha.md (exception_receiver): New.
6826 * alpha/crtbegin.asm (.eh_frame): New beginning.
6827 (__do_frame_setup, __do_frame_takedown): New.
6828 * alpha/crtend.asm (.eh_frame): New ending.
6829 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
6830 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
6831 (ASM_FILE_START): Don't emit .file for dwarf2.
6833 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
6834 * rtl.c (reg_note_name): Likewise.
6835 * rtl.texi (REG_NOTES): Likewise.
6836 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
6839 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
6841 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
6842 * i386.md (movsf, movdf, movxf): Validate memory address returned
6843 from force_const_mem. Kill useless REG_EQUAL setting code.
6845 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
6847 * m68k.md (zero_extendsidi2): Fix typo.
6849 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
6851 * configure.in: Removed references to the removed file
6852 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
6853 * arm*-*-netbsd* and ns32k-*-netbsd*.
6854 * config/i386/xm-netbsd.h: Removed unnecessary file.
6855 * config/m68k/xm-netbsd.h: Likewise.
6856 * config/sparc/xm-netbsd.h: Likewise.
6857 * config/mips/xm-netbsd.h: Likewise.
6859 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
6861 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
6862 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
6864 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
6865 for exact section attributions.
6867 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
6869 * i386/crtdll.h (CPP_PREDEFINES): Define.
6871 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
6873 * m68k.md (5200 movqi): Do not allow byte sized memory references
6875 * m68k.c (output_move_qimode): Do not use byte sized operations on
6878 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
6879 explicit rules for building. Similarly for alloca, vfprintf,
6880 choose-temp and mkstemp, getopt, getopt1, and obstack.
6881 (INCLUDES): Add $(srcdir)/../include.
6882 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
6883 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
6885 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
6887 * gcc.c (do_spec_1): [case 'o'] Account for
6888 lang_specific_extra_outfiles.
6889 (main): Correctly clear all slots in outfiles for
6890 lang_specific_extra_outfiles. Set input_file_number before
6891 calling lang_specific_pre_link.
6893 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
6895 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
6897 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6899 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
6901 (sparc_output_deferred_case_vectors): If no work to do, return.
6902 Fix thinko in Sept 1 change.
6904 1998-09-03 SL Baur <steve@altair.xemacs.org>
6906 * Makefile.in: add semicolon in BISON definition for portability.
6908 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
6910 * config/nextstep.c (handle_pragma): Correct name of third
6913 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
6915 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
6916 * config/m32r/m32r.h: Make register 17 be fixed.
6917 * config/m32r/m32r.c: Use SImode for cc operations.
6919 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
6921 * invoke.texi (Warning Options): Add -Wnon-template-friend
6924 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
6926 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
6928 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
6930 * rs6000.md (movsf): Disable explicit secondary-reload-like
6931 functionality if TARGET_POWERPC64.
6932 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
6935 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
6937 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
6938 and term.h from fixinc.wrap.
6940 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6942 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
6943 safe to include both string.h and strings.h together.
6944 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
6945 which headers to search for function declarations. Continue to
6946 prefer string.h over strings.h when both are not acceptable.
6948 * acconfig.h (STRING_WITH_STRINGS): Add stub.
6950 * configure.in: Call GCC_HEADER_STRING.
6952 * system.h: Test STRING_WITH_STRINGS when deciding which headers
6953 to include. Continue to prefer string.h over strings.h when both
6956 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6958 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
6959 not assume top 32-bits of symbolic addresses are zero if
6962 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
6964 * ginclude/va-alpha.h: Protect entire second portion of the
6965 file against double inclusion.
6967 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
6969 Added support for the Boehm's garbage collector.
6970 * configure.in: Handle --enable-objc-gc.
6971 * configure: Rebuilt.
6972 * Makefile.in (CHECK_TARGETS): Add check-objc.
6973 (check-objc): New rule.
6974 * objc/Make-lang.in: Build a different Objective-C library that
6975 runs with the Boehm's collector.
6976 * objc/encoding.c (objc_round_acc_size_for_types): New function.
6977 * objc/encoding.c: Correctly compute the size of compound types in
6978 the presence of bitfields. Skip the variable name of the type if
6979 any. Added support for long long.
6980 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
6981 (_F_GCINVISIBLE): New mask.
6982 * objc/gc.c: New file. Compute the type memory mask associated with
6983 a class based on the runtime information.
6984 * objc/misc.c: Added the hooks that use the Boehm's collector
6985 allocation functions.
6986 * objc/objc-act.c (build_class_template): Generate a new class
6987 member (gc_object_type) to hold the class' type memory mask.
6988 (build_shared_structure_initializer): Initialize the new member to
6990 (encode_complete_bitfield): New function. Generate the new
6992 (encode_field_decl): Generate the new encoding only for the GNU
6994 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
6996 (class_get_gc_object_type): New function to mark a pointer instance
6997 variable as a weak pointer.
6998 * objc/objc-features.texi: New file.
6999 * objc/objc.h (gc_object_type): New class member.
7000 * objc/objects.c (class_create_instance): Create a typed memory
7001 object when compiled with Boehm's collector support.
7002 * objc/sendmsg.c (__objc_init_install_dtable): Call
7003 __objc_send_initialize instead of setting the initialize flag.
7004 (__objc_send_initialize): Call __objc_generate_gc_type_description
7005 to generate the class type memory mask. Rewrite the code that
7006 sends the +initialize so that it is called only once (bug report
7007 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
7008 * testsuite/objc: New testsuite for Objective-C type encoding.
7009 * testsuite/lib/objc-torture.exp: New file.
7010 * testsuite/lib/objc.exp: New file.
7012 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
7014 * jump.c (jump_optimize): In if/then/else transformations, add
7015 another call to modified_between_p for the jump insn.
7017 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
7019 * fix-header.c (symlink): Treat like readlink.
7021 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7023 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
7026 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
7028 * config/nextstep.h: Update HANDLE_PRAGMA macro.
7029 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
7030 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
7032 * config/nextstep.c (handle_pragma): Take three arguments, as per
7033 the new HANDLE_PRAGMA macro specification.
7034 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
7035 per the new HANDLE_PRAGMA macro specification.
7036 * config/i960/i960.c (process_pragma): Take three arguments, as
7037 per the new HANDLE_PRAGMA macro specification.
7039 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
7041 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
7042 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
7043 if unknown pragmas are encountered.
7044 (handle_sysv_pragma): Interpret return code from
7045 handle_pragma_token (). Return success/failure indication rather
7046 than next unprocessed character.
7047 (pragma_getc): New function: retrieves characters from the
7048 input stream. Defined when HANDLE_PRAGMA is enabled.
7049 (pragma_ungetc): New function: replaces characters back into the
7050 input stream. Defined when HANDLE_PRAGMA is enabled.
7052 * c-pragma.c (handle_pragma_token): Return success/failure status
7055 * c-pragma.h: Change prototype of handle_pragma_token().
7057 * varasm.c: (handle_pragma_weak): Only create this function if
7058 HANDLE_PRAGMA_WEAK is defined.
7060 * c-common,c (decl_attributes): If defined call the expression
7061 contained within the INSERT_ATTRIBUTES macro before adding
7062 attributes to a decl.
7064 * tm.texi (HANDLE_PRAGMA): Document the new verion of
7065 HANDLE_PRAGMA, which takes three arguments.
7066 (INSERT_ATTRIBUTES): Document this new macro.
7068 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
7069 new INSERT_ATTRIBUTES macro.
7071 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7073 * config/sparc/sparc.md (movdf): Only generate special RTL for
7074 LABEL_REFs when PIC.
7075 (move_label_di): Remove
7076 (movdi_pic_label_ref, movdi_high_pic_label_ref,
7077 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
7078 references when PIC.
7079 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
7080 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
7081 output an .xword for all 64-bit cases.
7083 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7085 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
7086 alignment, use FUNCTION_BOUNDARY instead.
7087 (sparc_output_deferred_case_vectors): Likewise.
7089 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7091 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
7092 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
7094 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
7096 * alpha/va_list.h: New file.
7097 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
7099 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
7101 * NEWS: Add SCO Openserver and Unixware 7 notes.
7105 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
7107 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
7108 (record_constant_1): Handle RANGE_EXPR.
7110 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
7112 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
7113 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
7114 and NOTE_INSN_RANGE_END specially.
7115 (reemit_notes): Likewise.
7117 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7119 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
7120 (ultrasparc_sched_init): Remove unneeded &.
7122 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7124 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
7125 for m68020-60, to prevent the use of fintrz.
7127 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
7129 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
7131 * Makefile.in: Likewise.
7132 * configure: Regenerated.
7134 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
7136 * configure.in (gxx_include_dir): Changed to
7137 '${prefix}/include/g++'-${libstdcxx_interface}.
7138 * configure: Rebuilt.
7140 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
7142 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
7144 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
7145 *sequences* *below* which scalar moves will be used.
7147 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
7149 * collect2.c (mktemp): Delete unused declaration.
7151 * config/xm-netbsd.h: Remove unnecessary file.
7152 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
7153 file anymore, it is not needed.
7155 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
7157 * convert.c (convert_to_integer): Issue an error on conversions to
7160 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
7162 * Makefile.in: Add lang_tree_files and gencheck.h.
7163 * configure.in: Generate them.
7164 * gencheck.c: Include gencheck.h.
7166 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7168 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
7169 movdi_lo_sum_pic and movdi_high_pic and make visible.
7170 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
7171 emit these when Pmode is not SImode.
7172 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
7174 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
7176 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
7177 .linkonce directive after the first time.
7179 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
7181 * m68k.md (beq0_di): Generate correct (and more efficient) code when
7182 the clobbered operand overlaps with an input.
7183 (bne0_di): Similarly.
7185 * Makefile.in (INSTALL): Remove "--no-header" argument.
7187 * NEWS: Various updates.
7189 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7191 * config/sparc/sparc.c (arith_operand, const64_operand,
7192 const64_high_operand, arith_double_4096_operand): Mark mode as
7194 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
7196 (sparc_emit_set_const64): Remove unused variable i.
7197 (sparc_splitdi_legitimate): Likewise for addr_part.
7198 (ultra_code_from_mask): Likewise for mask.
7199 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
7200 reverse return values so it matches usage and comments.
7201 (ultra_flush_pipeline): Likewise.
7202 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
7203 this_type, and allow loads and stores of differing FP modes as
7204 they do not create a conflict.
7205 (ultra_find_type): Initialize fpmode to SFmode, fix
7206 parenthesization thinkos in large conditional.
7207 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
7208 Init free_slot_mask after ultra_cur_hist is reset, not before.
7209 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
7210 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
7211 use ultra_flush_pipeline instead, then re-init group pointer.
7212 Fix statement with no effect. If no progress made in, and no
7213 instructions scheduled at all, advance to new pipeline cycle else
7214 we get into an endless loop.
7215 (ultrasparc_adjust_cost): Remove previous arg.
7216 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
7218 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
7220 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
7221 code. Use reg_overlap_mentioned_p to detect when source and
7222 destination overlap.
7223 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
7225 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
7227 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
7228 COMPARISON_VAL, into invariant_p.
7230 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7232 * regmove.c (regclass_compatible_p): New function.
7233 (regmove_optimize): Use it.
7235 Use NREGS parameter insted of calling max_reg_num.
7237 (fixup_match_1): Don't use code = MINUS when later tieing with
7238 a hard register is likely.
7240 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7242 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
7243 COMPARISON_VAL was normalized.
7245 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
7247 * loop.c (check_dbra_loop): The loop ending comparison value
7248 must be an invariant or we can not reverse the loop.
7250 * loop.c (scan_loop): Count down from max_reg_num - 1 to
7251 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
7253 (load_mems_and_recount_loop_regs_set): Likewise.
7255 * i386.c (print_operand): Remove obsolete 'c' docs.
7257 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
7259 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
7260 * frame.c (init_object_mutex): New function.
7261 (init_object_mutex_once): Likewise.
7262 (find_fde): Call it.
7263 (__register_frame_info): Likewise.
7264 (__register_frame_info_table): Likewise.
7265 (__deregister_frame_info): Likewise.
7267 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
7269 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
7271 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7273 * loop.c (check_dbra_loop): Enable code for reversal
7274 of some loops without a known constant loop end.
7276 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
7278 * haifa-sched.c (last_clock_var): New.
7279 (schedule_block): Initialize it.
7280 (schedule_insn): Use it to fill insn modes with issue information.
7282 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
7283 Tag trapb and next insn with TImode.
7284 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
7285 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
7286 Invoke alphaev5_align_insns as appropriate.
7287 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
7288 (MD_SCHED_VARIABLE_ISSUE): New.
7289 * alpha.md (attr type): Add multi.
7290 (define_asm_attributes): New.
7291 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
7292 (arg_home): Likewise.
7293 (fnop, unop, realign): New.
7295 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
7297 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
7298 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
7300 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
7301 (rs6000-ibm-aix4.[12]*): Likewise.
7302 * configure: Regnerate.
7304 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
7306 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
7307 already contains the return address.
7309 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
7311 * calls.c (expand_call): Use bitfield instructions to extract/deposit
7312 word sized hunks when loading unaligned args into registers.
7314 * haifa-sched.c (sched_analyze_insn): Only create scheduling
7315 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
7317 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
7319 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7321 * loop.c (check_dbra_loop): Add some code that would allow reversal
7322 of some loops without a known constant loop end if it were enabled.
7324 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
7326 * mips.md (lshrsi3_internal2+2): Fix type-o.
7328 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7330 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
7331 correctly with regards to stdio.h.
7333 * calls.c: Remove stdarg.h/varargs.h.
7336 * combine.c: Likewise.
7337 * cpperror.c: Likewise.
7338 * cpplib.c: Likewise.
7339 * cpplib.h: Likewise.
7340 * doprint.c: Likewise.
7341 * emit-rtl.c: Likewise.
7342 * final.c: Likewise.
7343 * fix-header.c: Likewise.
7345 * genattr.c: Likewise.
7346 * genattrtab.c: Likewise.
7347 * gencodes.c: Likewise.
7348 * genconfig.c: Likewise.
7349 * genemit.c: Likewise.
7350 * genextract.c: Likewise.
7351 * genflags.c: Likewise.
7352 * genopinit.c: Likewise.
7353 * genoutput.c: Likewise.
7354 * genpeep.c: Likewise.
7355 * genrecog.c: Likewise.
7356 * mips-tfile.c: Likewise.
7357 * prefix.c: Likewise.
7358 * protoize.c: Likewise.
7359 * regmove.c: Likewise.
7360 * toplev.c: Likewise.
7363 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7365 * config/sparc/sparc.c (sparc_override_options): If not
7366 TARGET_FPU, turn off TARGET_VIS.
7367 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
7368 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
7369 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
7370 (movdi_insn_sp64): Add VIS fzero alternative.
7371 (clear_sf, clear_df): New VIS patterns.
7372 (movsf, movdf expanders): Allow fp_zero_operand flat out when
7374 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
7376 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
7378 * loop.c (n_times_set, n_times_used, may_not_optimize,
7379 reg_single_usage): Convert to varrays. All uses changed.
7380 (insert_loop_mem): Return a value.
7381 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
7382 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
7385 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
7388 * configure.in: Do not set thread_file to "irix" since no such
7391 * sparc.md (float abs/neg splits): Check reload_completed before
7392 calling alter_subreg.
7394 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7396 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
7398 * config/sparc/sparc.h: Declare it.
7399 * config/sparc/sparc.md (float abs/neg splits): Use it.
7400 (all other splits): Handle SUBREGs properly where necessary.
7401 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
7403 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
7405 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
7406 an insn on the unfilled_slots_list that has no delay slots.
7407 (fill_eager_delay_slots): Similarly.
7409 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
7411 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
7412 as an ordinary operand.
7414 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
7416 * tree.c (valid_machine_attribute): Don't apply attributes to both
7419 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
7421 * reload.c (operands_match_p): Handle rtvecs.
7423 * i386.c (legitimate_pic_address_disp_p): New.
7424 (legitimate_address_p): Use it.
7425 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
7426 Handle constant pool symbols just like statics.
7427 (emit_pic_move): Use Pmode not SImode for clarity.
7428 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
7429 [UNSPEC]: New, handling what we killed above.
7430 [PLUS]: Detect and abort on invalid symbol arithmetic.
7431 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
7433 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
7435 * alias.c: Include output.h.
7436 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
7437 different if we're in a varargs function.
7438 * Makefile.in (alias.o): Depend on output.h
7440 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7442 * sh.h (GIV_SORT_CRITERION): Delete.
7444 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
7446 * regclass.c (regclass): Use xmalloc/free instead of alloca.
7447 * stupid.c (stupid_life_analysis): Ditto.
7448 * reload1.c (reload): Ditto.
7450 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7452 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
7453 arith_double_4096_operand, arith_double_add_operand): New
7455 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
7456 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
7457 them to transform add/sub 4096 into add/sub -4096.
7459 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7461 * loop.c (scan_loop): Allocate some slop to handle pseudos
7462 generated by move_movables.
7463 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
7466 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
7468 * tree.def (DECL_RESULT): Correct documentation.
7470 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7472 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
7473 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
7474 conflicts will all RELOAD_FOR_OUTPUT reloads.
7476 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
7477 loads the function result, substitute with a USE.
7479 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7481 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
7482 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
7483 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
7484 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
7485 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
7486 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
7488 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
7489 'o' to 'm' for GPR variant constraints.
7491 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
7493 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
7495 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
7497 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
7498 when the source and destination overlap.
7500 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
7501 clash with global type.
7503 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
7505 * fixinc.irix: Add curses.h handling from fixinc.wrap.
7507 * c-common.c (combine_strings): Also set TREE_READONLY.
7508 Change warn_write_strings to flag_const_strings.
7509 * c-decl.c, c-tree.h: Likewise.
7511 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7513 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
7514 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
7515 sequence, use SET/IOR instead so CSE can see it.
7516 * config/sparc/sparc.md (movhi_const64_special,
7517 movsi_const64_special): New patterns necessitated by that change.
7518 (movhi_high): Remove.
7519 (movhi_lo_sum): Change to match an IOR.
7520 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
7521 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
7522 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
7523 (movdf splits): Allow when not V9 or when not ARCH64 and integer
7524 registers are involved.
7525 (snesi_zero_extend split): Remove reload_completed test.
7526 (unnamed plus and minus zero_extend sidi splits): Add it.
7528 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
7530 * extend.texi: Remove description of extension to explicit
7531 instantiation that is now endorsed by standard C++.
7533 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7535 * config/arc/arc.c (arc_initialize_pic): Remove.
7536 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
7537 nothing on any platform and is invoked by no-one, it does not even
7538 appear in the documentation.
7539 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
7540 * config/sparc/sparc.c (initialize_pic): Likewise.
7541 (find_addr_reg): Remove this as well, no longer referenced after
7544 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
7546 * recog.c (validate_replace_rtx_group): New function.
7547 * recog.h (validate_replace_rtx_group): Declare it.
7548 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
7549 the entire group of substitutions.
7551 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
7553 * loop.c (load_mems): Fix initializers.
7555 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7557 * config/sparc/sparc.md (TFmode splits): Handle destination
7558 registers being referenced in the address correctly.
7560 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
7561 TREE_UNSIGNED, when bitsize of type's mode is larger than
7562 HOST_BITS_PER_WIDE_INT.
7564 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7566 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
7567 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
7568 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
7570 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
7573 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
7575 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
7576 * h8300.h (TINY_DATA_NAME_P): Likewise.
7577 (STRIP_NAME_ENCODING): Handle '&'.
7579 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
7580 register (it could be accessed via an outer SUBREG).
7581 (REG_OK_FOR_BASE_P): Likewwise.
7582 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
7584 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
7587 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
7589 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7591 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
7592 must be offsettable so the splits can be made.
7594 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
7596 * config/i386/winnt.c: Include system.h, not stdio.h to get
7597 sys/param.h pulled in before rtl.h in case the system defines MIN
7600 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
7602 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
7604 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
7606 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
7608 * cpplib.c (cpp_define): Handle macros with parameters.
7610 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7612 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
7613 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
7614 and DImode 64-bit. Use llong for minimal-toc SFmode and
7615 SYMBOL_REF / LABEL_REF 64-bit.
7616 (output_function_profiler): Use llong for profiler label and ld to
7617 load 64-bit label address.
7619 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
7621 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
7624 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
7626 * version.c: Bump for snapshot.
7628 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
7630 * version.c: Bump for snapshot.
7632 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
7634 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
7636 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
7638 * tm.texi (Misc): Fix typo "teh".
7640 * tm.texi (PIC): Fix typo "PPIC".
7642 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
7643 effect when -O2 and higher.
7644 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
7646 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
7648 * regclass.c: Changed register set documentation to be consistent
7651 * final.c (final_start_function) Removed redundant test for
7654 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
7656 * rtl.h (rtx_function): New type.
7657 (for_each_rtx): New function.
7658 * rtlanal.c (for_each_rtx): Define it.
7660 * recog.c (change_t): New type.
7661 (change_objects, change_old_codes, change_locs, change_olds):
7663 (changes): New variable.
7664 (validate_change): Dynamically allocate room for more changes, if
7665 necessary. Uses changes array instead of change_objects, etc.
7666 (apply_change_group): Use changes array instead of
7667 change_objects, etc.
7669 * loop.c (loop_mem_info): New type.
7670 (loop_mems): New variable.
7671 (loop_mems_idx): Likewise.
7672 (looop_mems_allocated): Likewise.
7673 (scan_loop): Remove nregs parameter.
7674 (next_insn_in_loop): New function.
7675 (load_mems_and_recount_loop_regs_set): Likewise.
7676 (load_mems): Likewise.
7677 (insert_loop_mem): Likewise.
7678 (replace_loop_mem): Likewise.
7679 (replace_label): Likewise.
7680 (INSN_IN_RANGE_P): New macro.
7681 (loop_optimize): Don't pass max_reg_num() to scan_loop.
7682 (scan_loop): Remove nregs parameter, compute it after any new
7683 registers are created by load_mems. Use INSN_IN_RANGE_P and
7684 next_insn_in_loop rather than expanding them inline. Call
7685 load_mems to load memory into pseudos, if appropriate.
7686 (prescan_loop): Figure out whether or not there are jumps from the
7687 loop to targets other than the label immediately following the
7688 loop. Call insert_loop_mem to notice all the MEMs used in the
7689 loop, if it could be safe to pull MEMs into REGs for the duration
7691 (strength_reduce): Use next_insn_in_loop. Tweak comments.
7693 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
7695 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
7697 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7699 * config/sparc/sparc.c (finalize_pic): Check for the correct
7700 nonlocal_goto_receiver UNSPEC number.
7701 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
7702 making note of this dependency existing in sparc.c
7703 (negtf2_notv9 split): Give NEG SFmode.
7704 (negsf2): Fix insn output string.
7706 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
7708 * c-common.c (decl_attributes): Issue an error if the argument
7709 to alias is not a string.
7711 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
7713 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
7714 pending memory flush list.
7716 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
7718 (try_combine): Allow combining insns with REG_LIBCALL notes.
7720 * expr.c (emit_block_move): Do not call memcpy as a libcall
7721 instead build up a CALL_EXPR and call it like any other
7723 (clear_storage): Similarly for memset.
7725 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
7728 * Makefile.in (cplus-dem.o): Provide explicit rules for building
7731 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
7732 and REG_LIVE_LENGTH as successful substitutions are made.
7734 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7736 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
7737 statement after end of loop label.
7739 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7741 * config/sparc/sparc.c (ultra_types_avail): New variable.
7742 (ultra_build_types_avail): New function to record mask of insn
7743 types in ready list at this cycle.
7744 (ultrasparc_sched_reorder): Call it.
7745 (ultra_find_type): Use it to quicken the search. Also simplif
7746 dependency check, don't use rtx_equal_p because we know exactly
7747 what we are looking for.
7749 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
7751 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
7752 for architecture v4.
7754 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7756 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
7758 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
7759 movdf_const_intreg and helper splits): New patterns to move float
7760 constants into integer registers.
7761 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
7764 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
7767 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
7769 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
7771 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
7772 a BASE_REGS register is needed as an intermediate when copying
7773 a symbolic value into any register class other than BASE_REGS.
7775 * expr.c (move_by_pieces): No longer static. Remove prototype.
7776 * rtl.h (move_by_pieces): Add extern prototype.
7777 * mips.c (expand_block_move): Handle aligned straight line copy by
7778 calling move_by_pieces.
7780 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
7783 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
7785 * stmt.c (expand_end_loop): Tidy. Allow unconditional
7786 jumps out of the loop to be treated as part of the exit test.
7788 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7789 Jeff Law <law@cygnus.com>
7791 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
7792 * cplus-dem.c: Delete.
7794 * Makefile.in (fold-const.o): depend on $(RTL_H).
7796 * fold-const.c: Include rtl.h to get the prototype for
7797 `set_identifier_local_value'.
7799 * loop.c (express_from_1): Remove unused variable `tmp'.
7800 (combine_givs): cast the first argument of bzero to char *.
7802 * toplev.c (display_help): Remove unused variable `looking_for_start'.
7804 * c-decl.c (init_decl_processing): Remove unneeded &.
7806 * alpha.h (alpha_initialize_trampoline): Provide prototype.
7808 * except.c (set_exception_lang_code, set_exception_version_code):
7809 Change parameter from `short' to `int' to avoid using a gcc
7812 * except.h (set_exception_lang_code, set_exception_version_code):
7813 Likewise for prototypes.
7815 * flow.c (count_reg_references): Remove unused variables `regno'
7818 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
7820 * prefix.c (translate_name): Cast the result of `alloca'.
7822 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
7824 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7826 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
7828 (valid_dbcc_comparison_p): Mark mode argument as unused.
7829 (symbolic_operand): Likewise.
7830 (legitimize_pic_address): Likewise.
7831 (const_uint32_operand): Likewise.
7832 (const_sint32_operand): Likewise.
7833 * sched.c [!INSN_SCHEDULING]: Define only dummy function
7834 schedule_insns and comment out rest of file.
7836 * m68k.c (output_move_simode_const): Use subl to move a zero into an
7838 (output_move_[hq]imode): Likewise.
7840 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
7842 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
7843 * invoke.texi: Corresponding changes.
7845 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
7847 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
7849 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7851 * config/sparc/sparc.c (ultra_code_from_mask,
7852 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
7853 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
7854 ultrasparc_sched_init, ultrasparc_variable_issue,
7855 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
7856 functions to describe UltraSPARC pipeline exactly to Haifa.
7857 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
7858 as there is nothing the scheduler can do about it. Indicate that
7859 REG_DEP_OUTPUT's collide. Fixup formatting.
7860 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
7861 divide costs on Ultra for DImode.
7862 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
7864 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
7865 ieuN and add call_no_delay_slot to type list.
7866 (cti function unit): New unit for branches on UltraSPARC.
7867 (subx/addx insns): Set type to misc.
7868 (sidi zero/sign extension insns on arch64): Set type to shift.
7869 (sign_extendhidi2_insn): Set type to sload.
7871 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
7873 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
7874 (output_epilog): Use if != 0 for offset.
7875 (rs6000_fatal_bad_address): Prepare for Intl.
7876 * rs6000.h (rs6000_fatal_bad_address): Declare.
7877 * rs6000.md (movsfcc, movdfcc): Use else if.
7878 (elf_high): Use {liu|lis}.
7879 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
7880 (movsi): Use rs6000_fatal_bad_address.
7882 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
7884 * reload.c (find_equiv_reg): Reject equivalences separated
7885 by a volatile instruction.
7887 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7889 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
7891 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
7893 * alpha.md (movsicc): Fix mode mismatch.
7895 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
7897 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
7899 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
7901 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7903 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
7904 write-only modifier from operand 1 constraint.
7906 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7908 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
7909 emitting a XOR of -1 at the end, emit a NOT instead for combine's
7911 (sparc_emit_set_const64): Likewise, also when computing trailing
7912 bits do not negate low_bits and make fast_int an int.
7914 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
7916 * loop.c (add_label_notes): Do not ignore references to labels
7917 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
7918 * gcse.c (add_label_notes): Similarly.
7920 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
7922 * m68k.md (adddi_dilshr32): One of the operands must be a register.
7923 (adddi_dishl32): Similarly.
7925 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
7927 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
7928 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
7929 * cse.c (cse_basic_block): Add parens to shut up warnings.
7931 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7933 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
7934 sparc_emit_set_const64_longway, const64_is_2insns,
7935 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
7936 in 64-bit constant formation.
7937 * config/sparc/sparc.md (snesi_zero_extend split): Generate
7938 rtl for addx not subx.
7939 (define_insn movdi_const64_special): Make available even when
7940 HOST_BITS_PER_WIDE_INT is not 64.
7941 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
7942 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
7943 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
7944 instances of operand 1 inside a QI subreg.
7945 (xordi3_sp64_dbl): Remove '%' constraint for op1.
7946 (one_cmpldi2_sp64): Fix output string.
7947 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
7949 (unnamed arch64 ashift DI): Truncate shift count if greater than
7952 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7954 * expr.c (store_expr): Don't optimize away load-store pair
7955 when either source or destination have a side effect.
7957 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
7959 * genrecog.c (add_to_sequence): Fatal error if the modes of the
7960 operands of SET are incompatible.
7962 * alpha.md: Fix max and min patterns so modes of SET operands match.
7964 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
7966 * configure.in: Avoid [[ by using test and changequote.
7967 * configure: Rebuild.
7969 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7971 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
7973 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
7974 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
7975 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
7976 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
7977 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
7978 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
7979 Fix mismatching modes in SET operands.
7980 (conditional move patterns): Fix formatting.
7981 (unnamed subx arch64 pattern): Remove duplicate insn.
7983 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7985 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7986 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
7987 (input_operand): Fixup test for what we accept for constant
7989 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
7991 (safe_constDI): Remove.
7992 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
7993 gen_safe_XOR64): New functions.
7994 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
7995 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
7997 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
7998 available when HOST_BITS_PER_WIDE_INT is not 64.
7999 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
8000 move before movdi_insn_sp64 pattern.
8001 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
8002 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
8003 symbolic_operand as predicate for second operand.
8004 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
8005 expander): Give set VOIDmode.
8007 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
8009 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
8011 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
8013 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
8015 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
8017 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
8019 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
8021 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
8023 * install.texi: Various SCO OpenServer tweaks.
8025 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
8027 * reload1.c (eliminate_regs_in_insn): Handle another case when
8028 eliminating the frame pointer to the hard frame pointer. Add
8029 missing ep->to_rtx check to one existing case.
8031 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
8033 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
8035 * tree.h: De-conditionalize init_priority code.
8037 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
8038 * collect2.c (NM_FLAGS): Change from -p to -n.
8040 * configure.in: Turn on collect2 for mipstx39-elf.
8041 Handle use_collect2=no properly.
8043 * c-common.c: De-conditionalize init_priority code.
8044 * collect2.c (extract_init_priority, sort_ids): New fns.
8045 (main): Call sort_ids.
8046 Move sequence_number to file scope.
8048 * configure.in: Handle --enable-init-priority.
8049 * c-common.c (attrs): Add A_INIT_PRIORITY.
8050 (init_attributes, decl_attributes): Likewise.
8051 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
8052 * tree.c (get_file_function_name_long): Split out...
8053 (get_file_function_name): ...from here.
8055 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
8057 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
8060 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
8062 * toplev.c (display_help): Add braces to shut up warnings.
8063 * tree.c (simple_cst_equal): Likewise.
8065 * fold-const.c (non_lvalue): Don't deal with null pointer
8067 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8069 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
8070 of any size to a pointer.
8072 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
8074 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
8076 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
8078 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
8079 which will be saved.
8080 * mn10300.md (prologue insn): Only save registers which need saving.
8081 (epilogue insn): Similarly.
8083 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
8086 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
8088 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
8089 VAR_DECL's in gp addressable sections.
8091 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
8093 * sparc.c: Change return <exp> to <exp>; return; in functions
8095 * sparc.md: Add empty semicolon statement after final label in
8098 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8100 * config/sparc/sparc.md (define_insn addx_extend): Rename to
8101 addx_extend_sp64, only allow when TARGET_ARCH64.
8102 (define_insn addx_extend_sp32 and split): Version that works when
8104 (define_insn subx_extend): Likewise.
8105 (define_split adddi3 and subdi3 with zero extension): Fixup and
8106 correct bugs when not TARGET_ARCH64.
8108 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
8110 * except.c (set_exception_lang_code, set_exception_version_code):
8111 Use prototype-style definition if __STDC__, to match declaration
8114 * genemit.c: Change FAIL and DONE macros not to use loops.
8116 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
8118 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
8119 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
8121 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
8123 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
8125 * README.g77: Update from Craig.
8127 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8129 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
8131 (safe_constDI sparc_emit_set_const64_quick1,
8132 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
8133 analyze_64bit_constant, const64_is_2insns,
8134 create_simple_focus_bits): Fix some bugs when compiled on real
8136 (function_arg_record_value_3, function_arg_record_value_2,
8137 function_arg_record_value): Add fully prototyped forward decls.
8138 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
8139 to cmpsi_insn and use on both 64 and 32 bit targets.
8140 (define_insn cmpsi_insn_sp64): Remove.
8141 (define_expand zero_extendsidi2): Allow for 32-bit target too.
8142 (define_insn zero_extendsidi2_insn): Rename to
8143 zero_extendsidi2_insn_sp64.
8144 (define_insn zero_extendsidi2_insn_sp32): New pattern and
8145 assosciated forced split for it.
8147 * config/sparc/sparc.c (const64_operand, const64_high_operand):
8149 * config/sparc/sparc.h: Declare them.
8150 (PREDICATE_CODES): Add them.
8151 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
8152 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
8154 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
8156 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
8157 in v9 case as the latter makes the Solaris assembler crash.
8159 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8161 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
8162 for TFmode when !v9. We require offsettable memory addresses.
8163 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
8164 DFmode register number conversions.
8165 * config/sparc/sparc.md (define_split DFmode moves): If register
8166 is a SUBREG do alter_subreg on it before using.
8167 (define_expand movtf): Fixup comment about alignment on v9.
8168 (define_split TFmode moves): Don't use gen_{high,low}part, create
8169 explicit SUBREGs instead.
8171 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
8173 * Makefile.in (mbchar.o): Depend on mbchar.c.
8175 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8176 Richard Henderson <rth@cygnus.com>
8178 Rewrite Sparc backend for better code generation and
8179 improved sparc64 support.
8180 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
8182 * config/sparc/sysv4.h: Likewise.
8183 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
8184 move_operand, v8plus_regcmp_op, emit_move_sequence,
8185 singlemove_string, doublemove_string, mem_aligned_8,
8186 output_move_double, output_move_quad, output_fp_move_double,
8187 move_quad_direction, output_fp_move_quad, output_scc_insn):
8189 (small_int_or_double): New predicate.
8190 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
8191 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
8192 old pic_{sethi,lo_sum}_si patterns.
8193 (mem_min_alignment): New generic function to replace
8194 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
8195 available and can test for arbitrary alignments. All callers
8197 (save_regs, restore_regs, build_big_number,
8198 output_function_prologue, output_cbranch, output_return,
8199 sparc_flat_save_restore, sparc_flat_output_function_prologue,
8200 sparc_flat_output_function_epilogue): Prettify
8202 (output_function_epilogue): Likewise and add code to output
8203 deferred case vectors.
8204 (output_v9branch): Likewise, add new arg INSN and use it to tack
8205 on branch prediction settings. All callers changed.
8206 (print_operand): Likewise and output %l44 for LO_SUMs when
8208 (sparc_splitdi_legitimate): New function to make sure DImode
8209 splits can be run properly when !arch64.
8210 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
8211 Reformat example code in comments.
8212 (set_extends): Remove UNSPEC/v8plus_clear_high case.
8213 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
8214 of deferred case vectors we need to output.
8215 (sparc_defer_case_vector): Record a case vector.
8216 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
8217 sparc_output_deferred_case_vectors): New functions to output them.
8218 (sparc_emit_set_const32): New function to form 32-bit constants in
8219 registers when that requires more than one instruction.
8220 (safe_constDI, sparc_emit_set_const64_quick1,
8221 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
8222 analyze_64bit_constant, const64_is_2insns,
8223 create_simple_focus_bits, sparc_emit_set_const64): New functions
8224 which do the same for 64-bit constants when arch64.
8225 (sparc_emit_set_symbolic_const64): New function to emit address
8226 loading for all code models on v9.
8227 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
8228 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
8229 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
8230 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
8231 inaccuracies in comments, add symbolic and text_segment operands
8232 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
8233 GENERAL_REGS in these cases as a temp REG is needed to load these
8234 addresses into a register properly.
8235 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
8237 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
8238 quads are guarenteed to have 16-byte alignment.
8239 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
8240 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
8241 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
8242 deferred case vector implementation.
8243 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
8244 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
8245 Generate "internal label - label" instead of "label - 1b".
8246 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
8247 (PREDICATE_CODES): Remove sparc_operand, move_operand,
8248 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
8250 (doublemove_string, output_block_move, output_fp_move_double,
8251 output_fp_move_quad, output_move_double, output_move_quad,
8252 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
8253 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
8254 (sparc_emit_set_const32, sparc_emit_set_const64,
8255 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
8256 mem_min_alignment, small_int_or_double): Add externs.
8257 * config/sparc/sparc.md: Document the many uses of UNSPEC and
8258 UNSPEC_VOLATILE in this backend.
8259 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
8260 unary to types which execute in it.
8261 (define_function_unit ieu_shift): Rename to ieu0.
8262 (define_function_unit ieu1): New, executes compare, call, and
8263 uncond_branch type insns.
8264 (define_function_units for type fdivs, fdivd, fsqrt): These
8265 execute in the fpu multiply unit not the adder on UltraSparc.
8266 (define_expand cmpdi): Disallow TARGET_V8PLUS.
8267 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
8268 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
8269 allows the arith_double_operand predicate and rHI constraint when
8271 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
8272 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
8273 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
8274 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
8275 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
8276 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
8277 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
8278 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
8279 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
8280 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
8281 sign_extendqihi2_insn, sign_extendqisi2_insn,
8282 sign_extendqidi2_insn, sign_extendhidi2_insn,
8283 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
8284 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
8285 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
8286 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
8287 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
8288 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
8289 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
8290 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
8291 smulsi3_highpart_v8plus, unnamed subreg mult,
8292 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
8293 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
8294 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
8295 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
8296 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
8297 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
8298 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
8299 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
8300 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
8301 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
8302 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
8303 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
8304 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
8305 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
8306 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
8307 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
8308 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
8309 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
8310 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
8311 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
8312 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
8313 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
8314 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
8315 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
8316 call_address_untyped_struct_value_sp32,
8317 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
8318 call_value_symbolic_sp32, call_value_address_sp64,
8319 call_value_symbolic_sp64, branch_sp32, branch_sp64,
8320 flush_register_windows, goto_handler_and_restore,
8321 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
8322 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
8323 return_addsi, return_di, return_adddi, return_sf, all call+jump
8324 peepholes, trap, unnamed trap insns): Prettify output strings.
8325 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
8326 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
8327 Likewise and force + implement splits for integer cases.
8328 (define_insn return_sf_no_fpu): Likewise and allow to match when
8329 no-fpu because of our subreg SFmode splits.
8330 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
8331 zero_extendqidi2_insn, zero_extendhidi2_insn,
8332 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
8333 input_operand for second operand.
8334 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
8335 reg_or_0_operand for operand 2 so new splits can use it.
8336 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
8337 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
8339 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
8340 CONST_DOUBLEs for operand 2.
8341 (define_insn move_label_di): Likewise and label distance
8342 optimization because it no longer works with new deferred case
8343 vector scheme. To be revisited.
8344 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
8345 and allow reg_or_0_operand and J constraint for second operand.
8346 (define_insn jump): Set branch predict taken on V9.
8347 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
8348 new deferred case vector scheme.
8349 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
8350 (define_insn negdi2_sp32): Force + implement splits.
8351 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
8352 one_cmplsi2_not_liveg0 respectively, and create expander of original
8353 names which emit special rtl for TARGET_LIVE_G0.
8354 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
8355 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
8356 gen_compare_reg, FAIL instead.
8357 (define_insn sgtu, sleu): Likewise and check gen_s*() return
8358 values when trying to reverse condition codes, if they FAIL then
8360 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
8361 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
8362 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
8363 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
8364 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
8365 set output string to # to indicate they are mandatory splits.
8366 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
8367 pic_sethi_di, move_pic_label_si): Remove.
8368 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
8369 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
8371 (define_expand movsi_pic_label_ref, define_insn
8372 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
8373 expander and insns to handle PIC label references and deferred
8375 (define_insn get_pc_via_rdpc): Comment out as it is no longer
8377 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
8378 Rewrite to not use emit_move_sequence, make use of new constant
8379 formation code, and new splits for all multi-insn cases.
8380 (define_insn movqi_insn): Remove sethi case, it can never happen.
8381 Use reg_or_zero_operand instead of const0_rtx explicit test,
8382 use input_operand instead of move_operand for source, and use
8383 general_operand now for dest.
8384 (define_insn movhi_insn): Similar but leave sethi case.
8385 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
8386 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
8387 movhi_lo_sum respectively, prettify output string.
8388 (define_insn movsi_zero_liveg0): New pattern to put zero into a
8389 register when needed on TARGET_LIVE_G0.
8390 (define_insn movsi_insn): Use general_operand and input_operand
8391 for dest and src respectively. Simplify applicability test.
8392 Prettify output strings, and add clr alternative for J
8394 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
8395 deprecated std and reg-reg DI moves): Remove and...
8396 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
8397 implementation which uses forced splits for all non-single insn
8399 (define_split DI move cases on !arch64): New splits to handle all
8400 situations of 64-bit double register DImode on 32bit, and
8401 unaligned registers and memory addresses for all subtargets.
8402 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
8404 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
8405 input_operand for dest and src respectively, prettify output
8407 (define_insn movdf_insn, movdf_no_e_insn, store_df,
8408 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
8410 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
8411 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
8412 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
8413 movtf_no_e_insn_sp64) Replace with new
8414 implementation which uses forced splits for all non-single insn
8416 (define_split DF move cases): New splits in similar vein to DI
8418 (define_insn sethi_di_medlow, sethi_di_medium_pic,
8419 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
8420 movdi_sp64_insn): Remove old v9 code model and constant loading
8422 (define_insn pic_lo_sum_di, pic_sethi_di,
8423 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
8424 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
8425 embmedany_sethi, embmedany_losum, embmedany_brsum,
8426 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
8427 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
8428 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
8429 scheme, using unspecs, secondary reloads, and one to one sparc
8430 insn to rtl insn mapping for better scheduling and code gen.
8431 (define_expand reload_indi, reload_outdi): Reload helpers for
8432 MEDANY and EMBMEDANY symbol address loading cases which require a
8434 (define_expand movsicc): Remove v8plus_regcmp cases.
8435 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
8436 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
8437 cmp_diqi_trunc_set): New patterns used by some of the new scc
8439 (define_insn xordi3_sp64_dbl): New pattern used for constant
8440 formation when crossing from 32-bit targets.
8441 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
8443 (define_insn addx, subx): Make visible and prettify.
8444 (define_insn adddi3_insn_sp32): Likewise and force split.
8445 (define_insn addx_extend, subx_extend, unnamed): New patterns for
8446 64bit scc split usage.
8447 (define_insn unnamed plusDI zero_extend, unnamed minusDI
8448 zero_extend, subdi3): Force and implement splits.
8450 * final.c (final_scan_insn): Don't output labels if target
8451 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
8454 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
8455 don't forget to walk inside SEQUENCESs too as these are what the
8456 delay slot scheduler will create.
8458 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
8460 * alpha.md (extxl+1,+2): New patterns to work around
8463 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
8465 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
8466 caused bad assembly code to be generated.
8468 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
8470 * netbsd.h: Fix typo.
8472 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
8474 * config.sub: Fix typo.
8476 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
8478 * invoke.texi (Environment Variables): Typo: Change "ascpects"
8480 (Running Protoize): Typo: Change "ther" into "other".
8482 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
8484 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
8485 * m68k/netbsd.h: Likewise.
8486 * ns32k/netbsd.h: Likewise.
8487 * sparc/netbsd.h: Likewise.
8489 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
8491 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
8492 * ginclude/va-clipper.h (va_list): Likewise.
8494 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
8496 * rs6000.c (rs6000_override_options): If big endian and -Os, use
8497 load/store multiple instructions unless user overrides.
8499 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
8501 * ns32k/netbsd.h: Fix typo.
8503 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
8505 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
8506 labels with .debugsym if no parallel insns.
8508 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
8510 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
8511 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
8513 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
8515 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
8516 (AR_FOR_TARGET): Define.
8518 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
8520 * dyn-string.h: New file.
8521 * dyn-string.c: Likewise.
8522 * Makefile.in (OBJS): Add dyn-string.o.
8523 (dwarf2out.o): Add dyn-string.h dependency.
8524 (dyn-string.o): List dependencies.
8525 * dwarf2out.c: Include dyn-string.h.
8526 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
8527 (addr_const_to_string): Take a dyn_string_t, not a char* as a
8528 prototype. Use dyn_string_append rather than strcat, throughout.
8529 (addr_to_string): Use dyn_string_t.
8531 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
8533 Function entry/exit profiling instrumentation:
8534 * expr.h (profile_function_entry_libfunc,
8535 profile_function_exit_libfunc): Declare new variables.
8536 * optabs.c: Define them here.
8537 (init_optabs): Initialize them.
8538 * tree.h (struct tree_decl): New flag
8539 no_instrument_function_entry_exit.
8540 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
8541 * c-decl.c (duplicate_decls): Merge it.
8542 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
8543 (init_attributes): Use it for "no_instrument_function".
8544 (decl_attributes): Handle it, for functions that have not yet been
8545 compiled. Set decl flag.
8546 * flags.h (flag_instrument_function_entry_exit): Declare new
8548 * toplev.c (flag_instrument_function_entry_exit): Define it here.
8549 (f_options): New option "instrument-functions".
8550 * function.h (struct function): New field instrument_entry_exit.
8551 * function.c (current_function_instrument_entry_exit): New
8553 (push_function_context_to, pop_function_context_from): Save and
8555 (expand_function_start): Set current_ variable, maybe emit return
8556 label and entry profile call.
8557 (expand_function_end): Maybe emit exit profile call.
8559 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
8561 * i386.md (movqi): When optimizing a load of (const_int 1) into a
8562 NON_QI_REG_P, pretend the register is SImode.
8564 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
8566 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
8567 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
8568 manufacturer id for ns32k.
8569 * configure: Regenerated.
8570 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
8571 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
8572 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
8573 * config/m68k/netbsd.h: Same.
8574 * config/ns32k/netbsd.h: Same.
8575 * config/sparc/netbsd.h: Same.
8577 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
8579 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
8580 or UNROLL_COMPLETELY loop that starts with a jump to its
8583 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
8585 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
8586 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
8587 (print_operand, case 'B'): Don't fall through.
8588 (print_operand, case 'S'): Correct mask begin/end computation.
8589 Use HOST_BITS_PER_WIDE_INT.
8590 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
8591 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
8592 * rs6000/aix41.h (CPP_PREDEFINES): Same.
8593 * rs6000/aix43.h (CPP_PREDEFINES): Same.
8595 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
8597 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
8598 constraint from second alternative.
8600 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8602 * configure.in: Fix --without/--disable cases for local-prefix,
8603 gxx-include-dir and checking.
8605 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8607 * configure.in (enable_haifa): Set by default for sparc64 too.
8610 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8612 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
8613 * i386/winnt.c (associated_type): New fn.
8614 (i386_pe_valid_type_attribute_p): New fn.
8615 (i386_pe_check_vtable_importexport): Remove.
8616 (i386_pe_dllexport_p): Use associated_type.
8617 (i386_pe_dllimport_p): Likewise.
8619 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
8620 * i386.c (i386_valid_type_attribute_p): Also accept
8621 attributes for METHOD_TYPEs.
8623 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
8625 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
8627 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
8629 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
8631 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
8632 them from generating a new base name for each occurence of
8635 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
8637 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
8639 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
8643 * cplus-dem.c (type_kind_t): New type.
8644 (demangle_template_value_parm): Add type_kind_t parameter. Rely
8645 on this paramter, rather than demangling the type again.
8646 (demangle_integral_value): Pass tk_integral.
8647 (demangle_template_: Pass the value returned from do_type.
8648 (do_type): Return a type_kind_t. Pass tk_integral to
8649 demangle_template_value_parm for array bounds.
8650 (demangle_fund_type): Likewise.
8652 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
8654 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
8657 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
8659 * pa.c (move_operand): Accept CONSTANT_P_RTX.
8661 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
8663 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
8665 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
8668 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
8670 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
8671 (DEBUGGER_ARG_OFFSET): Likewise.
8673 * mn10300.md (movsf): Remove last change. Not needed.
8675 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
8677 * c-lex.c (yylex): Fix boundary conditions in character literal and
8678 string literal loops.
8680 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
8682 * longlong.h (count_leading_zeros): Sparclite scan instruction was
8683 being invoked incorrectly.
8685 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
8686 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
8688 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
8689 * configure.in: Added i[34567]86-*-win32
8690 * config.sub: Ditto.
8691 * configure: Rebuilt.
8693 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
8695 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
8696 the frame pointer and compiling PIC code and reload has not completed.
8698 * i386.c (output_to_reg): Add code to emulate non-popping DImode
8701 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
8703 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
8705 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8707 * Makefile.in (install-info): Only try to update the info
8708 directory file if it exists in the first place.
8710 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
8712 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
8714 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
8716 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
8717 CONST_DOUBLE source.
8719 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
8721 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
8722 strings as the insertion of USER_LABEL_PREFIX.
8723 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
8725 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
8728 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
8730 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
8731 already defined type.
8733 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
8735 * expr.c (check_max_integer_computation_mode): Allow conversions
8736 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
8737 (expand_expr): Likewise.
8739 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8741 * expr.c (expand_expr): Expand RETURN_EXPR.
8743 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
8745 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
8747 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
8749 * dwarf2out.c (output_aranges): Call stripattributes
8750 for TEXT_SECTION references.
8751 (output_line_info): Likewise.
8753 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8755 * profile.c (branch_prob): Call allocate_reg_info after outputting
8756 profile rtl in instrument_arcs.
8758 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
8760 * fixinc.irix (math.h): Install wrapper instead of copying.
8762 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8764 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
8765 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
8766 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
8767 lang_flag_0. Added documentation in the flag table.
8769 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
8771 * cccp.c (do_include): Fix vax c style include handling.
8773 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
8775 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
8777 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
8779 * fold-const.c (non_lvalue): Don't deal with null pointer
8781 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8783 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
8785 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
8786 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
8787 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
8788 (u_short_cint_operand): Same.
8789 (reg_or_cint_operand): Same.
8790 (logical_operand): Same.
8791 (input_operand): Same.
8792 (reg_or_short_operand): Use u_short_cint_operand.
8794 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
8796 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
8797 but keep the insns and splits. Adjust so when the ultimate destination
8798 is memory, use cvtql.
8800 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
8802 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
8804 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
8806 * gcc.c (do_spec): Call "error" not "warning".
8808 * configure.in: Fix minor problems with gas feature detection code.
8809 * configure: Rebuilt.
8811 * gcc.c (do_spec): Issue a warning for '%[]' usage.
8814 * gcc.c: Delete %[spec] support.
8815 (do_spec_1, case '('): Likewise.
8816 (do_spec_1, case '['): Call error.
8818 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
8820 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
8821 (CPP_SUBTARGET_SPEC): Default to empty string.
8822 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
8823 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
8824 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
8825 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
8827 * alpha/linux.h (CPP_PREDEFINES): Tidy.
8828 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
8829 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
8830 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
8831 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
8832 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
8833 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
8834 * alpha/vxworks.h: Likewise.
8836 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
8838 * mips.md (reload_outsi): Added missing REGNO call.
8839 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
8841 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
8842 another match_operator and compare the codes.
8844 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
8846 * MIPS multiply pattern fixes:
8847 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8848 Add union classes for HI, LO, or HILO plus general registers.
8849 (GENERATE_MADD): Deleted.
8850 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
8851 Add TARGET_MAD to condition.
8852 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
8853 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
8854 "*d" for accumulator, to give preference to LO initially but not
8857 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
8859 * configure.in (enable_c_mbchar): New configure option.
8860 (extra_cpp_objs): Always available now.
8862 * cexp.y (mbchar.h): #include it.
8863 (yylex): Handle Multibyte characters in character literals.
8865 * cccp.c (mbchar.h): #include it.
8866 (main): Set character set based on LANG environment variable.
8867 (rescan): Handle multibyte characters in comments.
8868 (skip_if_group): See above.
8869 (validate_else): See above.
8870 (skip_to_end_of_comment): See above.
8871 (macarg1): See above.
8872 (discard_comments): See above.
8873 (rescan): Handle multibyte characters in string and character literals.
8874 (collect_expansion): See above.
8875 (skip_quoted_string): See above.
8876 (macroexpand): See above.
8877 (macarg1): See above.
8878 (discard_comments): See above.
8879 (change_newlines): See above.
8881 * c-lex.c (mbchar.h): #include it.
8882 (GET_ENVIRONMENT): New macro.
8883 (init_lex): Set character set based on LANG environment variable.
8884 (yylex): Handle multibyte characters in character literals.
8885 (yylex): Handle multibyte characters in string literals.
8887 * Makefile.in (mbchar.o): New target.
8888 (cccp$(exeext)): @extra_cpp_objs@ is always available.
8889 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
8891 * mbchar.[ch]: New files for multibyte character handling.
8893 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8895 * jump.c (jump_optimize): When simplifying noop moves and
8896 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
8897 the PUSHes to rewrite in second loop as we did in the first.
8899 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8901 * cplus-dem.c (demangle_nested_args): Make function definition
8902 static to match the prototype.
8904 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
8906 * alloca.c: Respect USE_C_ALLOCA.
8907 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
8908 * gengenrtl.c (xmalloc): Likewise.
8910 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
8912 * loop.h (struct induction): Add no_const_addval.
8913 * loop.c (the_movables, reg_address_cost): New variables.
8914 (init_loop): Init reg_address_cost.
8915 (loop_optimize): Call end_alias_analysis.
8916 (scan_loop): Init the_movables.
8917 (record_giv): Init induction->no_const_addval.
8918 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
8919 [REG]: Rearrange loop search test to catch more cases.
8920 (general_induction_var): Return success not benefit; take an extra
8921 argument for that. Change all callers.
8922 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
8923 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
8924 [default]: Search the_movables for additional combinations.
8925 (sge_plus_constant, sge_plus): New functions.
8926 (express_from_1): New function.
8927 (express_from): Always define. Rewrite using express_from_1.
8928 (combine_givs_p): Handle more cases. Ignore address cost.
8929 (cmp_combine_givs_stats): New function.
8930 (combine_givs_used_once, combine_givs_benefit_from): New functions.
8931 (combine_givs): Rewrite to do best-fit combination.
8933 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
8934 (fold): Do a complete (A*C)+(B*C) association check.
8936 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
8938 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
8940 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
8942 * mn10300.c (MODES_TIEABLE_P): Fix typo.
8944 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
8946 * tree.c (valid_machine_attribute): Only create a new type variant if
8947 there is a decl to use it.
8949 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
8951 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
8954 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
8956 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
8959 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
8961 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
8962 Simplify tests for clearing an address register.
8963 (expand_prologue): Corresponding changes.
8965 * mn10300.md (movXX patterns): Make sure the destination is an
8966 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
8967 (logical patterns): Split into expanders + patterns
8968 (zero and sign extension patterns): Similarly.
8969 (shift patterns): Similarly.
8971 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
8973 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
8974 for the sequence, recording base values.
8976 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
8978 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
8980 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
8982 * gcc.c: Remove ANSI-C ism from --help code.
8984 * toplev.c: Support --help with USE_CPPLIB.
8986 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
8988 * configure.in: Rework gas feature code to work with symlink based
8991 * extend.texi: Clarify some issues related to local variables
8992 assigned to explicit registers.
8994 * mn10300.md (mulsi): Turn into expander + pattern.
8996 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
8999 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
9001 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
9003 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
9005 * version.c: Bump again to distinguish mainline tree from the
9008 See ChangeLog.0 for earlier changes.
9011 add-log-time-format: current-time-string