1 Wed Jan 13 00:59:04 1999 Jeffrey A Law (law@cygnus.com)
3 * mips.h (LOAD_EXTEND_OP): Correct for SImode and CCmode moves when
4 generating code for TARGET_64BIT.
6 Tue Jan 12 14:05:37 1999 David Edelsohn <edelsohn@mhpcc.edu>
8 * rs6000.c (print_operand, cases 'm' and 'M'): Do not depend on
9 HOST_WIDE_INT word-size.
10 (rs6000_stack_info): Remove redundant alignment of fpmem.
12 Tue Jan 12 14:05:37 1999 Richard Henderson <rth@cygnus.com>
14 * rs6000.c (short_cint_operand): Remove CONSTANT_P_RTX handling.
15 (u_short_cint_operand, reg_or_cint_operand, logical_operand): Likewise.
16 (input_operand): Adjust CONSTANT_P_RTX handling.
17 * rs6000.h (PREDICATE_CODES): Remove CONSTANT_P_RTX references.
18 * rs6000.md (movsi): Adjust CONSTANT_P_RTX handling.
19 (movhi, movqi): Remove CONSANT_P_RTX handling.
20 (movdi): Adjust CONSTANT_P_RTX handling.
22 Tue Jan 12 10:23:24 1999 Stan Cox <scox@cygnus.com>
24 * mips.md (call_value_internal3c): New pattern for -mips16 -mlong-calls.
26 1999-01-12 Manfred Hollstein <manfred@s-direktnet.de>
28 * m68k/mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
29 ensure all prototypes necessary for building libio will be available.
30 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Remove
31 definitions here as they are not host specific.
32 * m88k/sysv3.h, m88k/xm-sysv3.h: Likewise.
34 Tue Jan 12 02:53:46 1999 Richard Henderson <rth@cygnus.com>
36 * cse.c (cse_insn): Never prefer (const (constant_p_rtx)).
38 Tue Jan 12 02:36:10 PST 1999 Jeff Law (law@cygnus.com)
40 * version.c: Bump for snapshot.
42 Tue Jan 12 01:30:19 1999 Richard Henderson <rth@cygnus.com>
44 * rtl.c (rtx_alloc): Use memset instead of inline loop.
46 * recog.h (recog_op_alt): Declare extern.
48 Tue Jan 12 00:23:31 1999 Richard Henderson <rth@cygnus.com>
50 * function.c (purge_addressof_1): If the note accesses a mem+addressof
51 in a wider mode than any replacement, adjust the cached replacement.
52 Cache trivial substitutions as well.
54 Tue Jan 12 00:06:00 1999 Richard Henderson <rth@cygnus.com>
56 * Makefile.in (OBJECTS): Add sbitmap.o.
57 (BASIC_BLOCK_H): Add sbitmap.h.
58 * basic-block.h: Move simple bitmap code to sbitmap.h.
59 * flow.c: Move simple bitmap code to sbitmap.c
60 * sbitmap.h, sbitmap.c: New files.
62 Mon Jan 11 23:51:50 1999 Richard Henderson <rth@cygnus.com>
64 * alpha.h (TARGET_SWITCHES): Document switches.
65 (TARGET_OPTIONS): Likewise.
67 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Use HOST_WIDE_INT_PRINT_DEC.
69 Mon Jan 11 22:54:14 1999 Richard Henderson <rth@cygnus.com>
71 * tree.c (new_alias_set): Return zero if !flag_strict_aliasing.
73 Mon Jan 11 22:36:01 1999 Richard Henderson <rth@cygnus.com>
75 * basic-block.h (basic_block_head): Rename to x_basic_block_head.
76 (basic_block_end): Rename to x_basic_block_end.
77 (BLOCK_HEAD, BLOCK_END): Update.
79 * caller-save.c: Change basic_block_head/end references to
81 * combine.c, flow.c, function.c, gcse.c, global.c: Likewise.
82 * graph.c, haifa-sched.c, local-alloc.c, regclass.c: Likewise.
83 * regmove.c, reload1.c, reorg.c, sched.c: Likewise.
85 Sat Jan 9 23:54:09 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
87 * gcc.c (xstrerror): Renamed from my_strerror. All callers
88 changed. Remove prototype since we get that from libiberty.h.
90 * protoize.c (xstrerror): Likewise.
92 Sat Jan 9 23:22:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
94 * gcc.c (read_specs): Ensure format specifiers match their arguments.
96 Sat Jan 9 20:04:24 1999 Richard Henderson <rth@cygnus.com>
98 * tree.c (copy_node): Oops. That would be copy not zero
101 Sun Jan 10 15:35:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
103 * config/c4x/c4x.c: Include system.h.
104 (c4x_caller_save_map): Disable caller save for RC.
105 (c4x_optimization_options): Disable scheduling before reload.
106 (valid_parallel_load_store) : Define return type as int.
107 Remove unused variable regs.
108 * config/c4x/c4x.h (REGISTER_MOVE_COST): Make independent of register
110 * config/c4x/c4x.md (rotlqi3, rotrqi3): Fix up emitted RTL to
112 (*db, decrement_and_branch_until_zero): Fix up constraints
113 to keep reload happy.
115 Sat Jan 9 18:35:29 1999 Richard Henderson <rth@cygnus.com>
117 * tree.c (make_node): Call bzero instead of inline clear.
118 (copy_node, make_tree_vec, build1): Likewise.
119 (get_identifier): Call strlen instead of inline count.
120 (maybe_get_identifier): Likewise.
122 Sun Jan 10 14:04:51 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
124 * config/c4x/c4x.md: (in_annul_slot_3): Allow unarycc and binarycc
125 operations in 3rd annulled delay slot.
126 (*lshrqi3_const_set): Disallow c constraint for operand0.
127 (modhi3+1, modhi3+2): Set attribute type to multi.
128 * config/c4x/c4x.c (c4x_S_constraint): Removed space in middle of
131 Sat Jan 9 11:44:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
133 * gansidecl.h: Allow attribute unused on labels only when we are
134 version 2.93 or higher. Not all versions of 2.92 have this feature.
136 * version.c: Bump minor number to 93.
138 Fri Jan 8 10:51:13 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
140 * config/m68k/m68k.h: Declare output_function_epilogue.
141 * recog.h: Declare next_insn_tests_no_inequality.
143 Fri Jan 8 01:43:53 1999 Jeffrey A Law (law@cygnus.com)
145 * stmt.c (optimize_tail_recursion): New function, extracted from ...
146 (expand_return): Use optimize_tail_recursion.
147 * tree.h (optimize_tail_recursion): Declare.
149 * toplev.c (compile_file): Move call to output_func_start_profiler
150 to after the loop to emit deferred functions.
152 Thu Jan 7 19:52:53 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
154 * system.h (abort): Supply more detailed information on how to
155 report an Internal Compiler Error.
157 Thu Jan 7 11:26:17 1999 Mark Mitchell <mark@markmitchell.com>
159 * calls.c (store_unaligned_arguments_into_pseudos): Use xmalloc to
160 allocate memory that will live beyond this function.
161 (expand_call): Free it here.
163 Thu Jan 7 03:08:17 1999 Richard Henderson <rth@cygnus.com>
165 * sparc.h (PREFERRED_RELOAD_CLASS): Select GENERAL_REGS for
166 integer data not destined for fp regs.
167 (LEGITIMIZE_RELOAD_ADDRESS): New.
169 Thu Jan 7 03:03:42 1999 Stan Cox <scox@cygnus.com>
170 Richard Henderson <rth@cygnus.com>
172 Support for Hypersparc and Sparclite86x:
173 * sparc.h (TARGET_CPU_hypersparc, TARGET_CPU_sparclite86x): New.
174 (CPP_CPU32_DEFAULT_SPEC): Fix up for the new targets.
175 (ASM_CPU32_DEFAULT_SPEC): Likewise.
176 (TARGET_CPU_DEFAULT): Likewise.
177 (enum processor_type): Likewise.
178 (CPP_ENDIAN_SPEC): Handle little endian data.
179 (LIBGCC2_WORDS_BIG_ENDIAN): Likewise.
180 (ADJUST_COST): Call sparc_adjust_cost.
181 * sparc.c (sparc_override_options): Fix up for the new targets.
182 (supersparc_adjust_cost): Make static.
183 (hypersparc_adjust_cost): New.
184 (ultrasparc_adjust_cost): Make static.
185 (sparc_adjust_cost): New.
186 * sparc.md (attr cpu): Add hypersparc and sparclite86x.
187 (function_unit): Add hypersparc scheduling rules.
189 * configure.in (with_cpu handler): Recognize hypersparc.
191 Thu Jan 7 23:54:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
193 * config/c4x/c4x.c: Added space after negation operator.
194 * config/c4x/c4x.h: Likewise.
195 * config/c4x/c4x.md: Likewise.
197 Thu Jan 7 23:39:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
199 * config/c4x/c4x.c (c4x_preferred_reload_class): Always return class.
201 Thu Jan 7 00:29:25 199 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
203 * combine.c (num_sign_bit_copies): In NEG, MULT, DIV and MOD cases,
204 when a test can't be performed due to limited width of
205 HOST_BITS_PER_WIDE_INT, use the more conservative approximation.
206 Fix UDIV case for cases where the first operand has the highest bit
209 Thu Jan 7 00:01:38 1999 Lutz Vieweg <lkv@mania.robin.de>
211 * pa.h (reg_class): Add FPUPPER_REGS.
212 (REG_CLASS_NAMES): Similarly.
213 (REG_CLASS_CONTENTS): Similarly
214 (REGNO_REG_CLASS): Handle FPUPPER_REGS.
215 (FP_REG_CLASS_P): Likewise.
216 (REG_CLASS_FROM_LETTER): Similarly.
217 (CLASS_MAX_NREGS): Similarly.
219 1999-01-06 Brendan Kehoe <brendan@cygnus.com>
221 * fixincludes: For HP/UX 10.20, also look in curses_colr/curses.h
222 for a typedef of bool. Make sure to have a copy of the file is
223 in place before we look to fix it. Fix typo in variable name to
226 Wed Jan 6 07:51:05 1999 Richard Henderson <rth@cygnus.com>
228 * expr.c (expand_builtin) [case BUILT_IN_CONSTANT_P]: Use
229 value_mode for the return mode.
231 Wed Jan 6 17:55:19 1999 Robert Lipe <robertlipe@usa.net>
233 * configure.in: New flag --with-dwarf2. If set, enables DWARF-2
234 debugging as default.
236 * config/tm-dwarf2.h: New file.
238 Wed Jan 6 16:08:54 1999 Jeffrey A Law (law@cygnus.com)
240 * h8300.h (ASM_OUTPUT_LABELREF): Define.
242 * pa.h (DONT_RECORD_EQUIVALENCE): Kill.
243 * local-alloc.c (update_equiv_regs): Corresponding changes.
244 * tm.texi (DONT_RECORD_EQUIVALENCE): Kill.
246 * calls.c (special_function_p): Push alloca test inside the large
247 conditional which excludes functions not at file scope or not
250 * calls.c (special_function_p): New function broken out of
252 (precompute_register_parameters): Likewise.
253 (store_one_arg): Likewise.
254 (store_unaligned_argumetns_into_pseudos): Likewise.
255 (save_fixed_argument_area): Likewise.
256 (restore_fixed_argument_area): Likewise.
257 (expand_call): Corresponding changes.
259 Wed Jan 6 10:43:29 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
261 * config/m68k/m68k.c (const_uint32_operand): Remove CONSTANT_P_RTX
263 (const_sint32_operand): Likewise.
265 Wed Jan 6 09:44:51 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
267 * toplev.h: In addition to checking _JBLEN, also check if `setjmp'
268 is a macro when deciding if we can use `jmp_buf' in prototypes.
270 Thu Jan 7 00:12:24 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
272 * config/c4x/c4x.md (addqi3): If the destination operand is
273 a hard register other than an extended precision register,
274 emit addqi3_noclobber.
275 (*addqi3_noclobber_reload): New pattern added so that reload
276 will recognise a store of a pseudo, equivalent to the sum
277 of the frame pointer and a constant, as an add insn.
279 Wed Jan 6 03:18:53 1999 Mark Elbrecht <snowball3@usa.net.
281 * configure.in (pc-msdosdjgpp): Set x_make to x-go32.
282 * configure: Rebuilt.
283 * i386/xm-go32.h: Define LIBSTDCXX.
285 * i386/go32.h (MD_EXEC_PREFIX): Define.
286 (FILE_NAME_ABSOLUTE_P): Define.
287 (LINK_COMMAND_SPEC): Define.
289 Wed Jan 6 02:23:36 1999 "Charles M. Hannum" <root@ihack.net>
291 * expr.c (store_expr): If the lhs is a memory location pointed
292 to be a postincremented (or postdecremented) pointer, always
293 force the rhs to be evaluated into a pseudo.
295 Wed Jan 6 00:54:21 1999 Geoff Keating <geoffk@ozemail.com.au>
297 * real.c (mtherr): Print more reasonable warning messages.
299 Tue Jan 5 21:57:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
301 * Makefile.in (gcc.o, prefix.o, cccp.o, cpplib.o): Depend on prefix.h.
303 * cccp.c: Include prefix.h, don't prototype prefix.c functions.
304 (new_include_prefix): Constify char* parameters.
306 * cppfiles.c (read_name_map): Likewise.
307 (append_include_chain): Likewise. Also, use a writable char* copy
308 of parameter `dir' which we then modify, rather than using the
309 parameter itself to store the new writable string.
310 (remap_filename): Constify some variables. Also, use a writable
311 char* to store an allocated string which we will be modifying.
313 * cpplib.c: Include prefix.h, don't prototype prefix.c functions.
314 (cpp_start_read): Constify variable `str'.
316 * cpplib.h (append_include_chain): Constify a char* parameter.
318 * gcc.c Include prefix.h, don't prototype prefix.c functions.
319 (add_prefix, save_string): Constify char* parameters.
320 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
322 * prefix.c: Include prefix.h.
323 (get_key_value, translate_name, save_string, update_path,
324 set_std_prefix): Constify various char* parameters and variables.
325 (save_string): Use xmalloc, not malloc.
326 (translate_name): Use a writable temporary variable to create and
327 modify a string before setting it to a const char*.
329 * prefix.h: New file to prototype functions exported from prefix.c.
331 Mon Jan 4 15:37:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
333 * cpplib.c (skip_if_group): Split out the logic that handles
334 directive recognition to its own function. Don't use
335 parse markers; use a bare pointer into the buffer. Use
336 copy/skip_rest_of_line instead of doing it by hand. Remove
337 `return on any directive' mode which was never used, and take
339 (consider_directive_while_skipping): New function, subroutine
340 of skip_if_group. Logic streamlined a bit.
341 (conditional_skip, do_elif, do_else): Call skip_if_group with
344 Mon Jan 4 15:27:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
346 * cpplib.c (do_undef): EOF immediately after '#undef FOO' is not an
349 Mon Jan 4 11:55:51 1999 Jason Merrill <jason@yorick.cygnus.com>
351 * extend.texi (Bound member functions): Document.
353 Mon Jan 4 11:01:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
355 * mips-tdump.c (st_to_string, sc_to_string, glevel_to_string,
356 lang_to_string, type_to_string): Make return type const char*.
357 (print_symbol): Apply `const' keyword to a char*.
358 (print_file_desc): Cast structure member `crfd' to ulong when
359 comparing against one.
361 * mips-tfile.c (pfatal_with_name): Apply `const' keyword to char*.
362 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
363 (progname, input_name): Apply `const' keyword to a char*.
364 Don't redundantly include sys/stat.h.
365 (alloc_info): Apply `const' keyword to a char*.
366 (st_to_string, sc_to_string): Likewise.
367 (hash_string): Cast variable `hash_string' to a symint_t when
368 comparing against one.
369 (add_string): Cast PAGE_USIZE to Ptrdiff_t when comparing against one.
370 Likewise cast it to long when comparing against one.
371 (add_local_symbol): Apply `const' keyword to a char*.
372 (add_ext_symbol): Likewise.
373 (add_unknown_tag): Likewise.
374 (add_procedure): Cast a printf-style field width to an int.
375 (add_file): Cast PAGE_USIZE to long when comparing against one
376 (parse_begin): Cast a printf-style field width to an int.
377 (parse_bend): Likewise.
378 (parse_def): Likewise.
379 (parse_end): Likewise.
380 (mark_stabs): Mark parameter `start' with ATTRIBUTE_UNUSED.
381 (parse_stabs_common): Fix format specifier.
382 (parse_input): Change type of variable `i' to Size_t.
383 (write_object): Fix arguments to match format specifiers.
384 Cast variable `num_write' to long when comparing against one.
385 (read_seek): Cast variable `sys_read' to symint_t when comparing
386 against one. Fix arguments to match format specifiers. Cast
387 variable `size' to long when comparing against one.
388 (copy_object): Cast result of `sizeof' to int when comparing
389 against one. Fix arguments to match format specifiers. Cast
390 variable `ifd' to long when comparing against a signed value.
393 Mon Jan 4 10:30:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
395 * c-common.c (decl_attributes): Allow applying attribute `unused'
398 * c-parse.in (label): Parse attributes after a label, and call
399 `decl_attributes' to handle them.
401 * gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
403 * genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
404 generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
406 * invoke.texi: Note that labels can be marked `unused'.
408 Sun Jan 3 23:32:18 PST 1999 Jeff Law (law@cygnus.com)
410 * version.c: Bump for snapshot.
412 Sun Jan 3 23:00:42 1999 Jeffrey A Law (law@cygnus.com)
414 * optabs.c (emit_cmp_and_jump_insns): Use CONSTANT_P canonicalizing
415 RTL for a compare/jump sequence.
417 Sun Jan 3 22:58:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
419 * optabs.c (emit_cmp_insn): Abort if asked to emit non-canonical RTL
420 for a target with HAVE_cc0 defined.
421 (emit_cmp_and_jump_insns): New function.
422 * expr.h (emit_cmp_and_jump_insns): Prototype it.
423 * loop.c (check_dbra_loop): Use it to replace calls
424 to emit_cmp_insn and emit_jump_insn and to canonicalise
425 the comparison if necessary.
426 * unroll.c (unroll_loop): Likewise.
428 Sun Jan 3 21:01:04 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
430 * fixincludes (sys/utsname.h): Provide forward declaration of
431 struct utsname on Ultrix V4.[35].
433 * mips.md (div_trap): Use local labels instead of dot-relative
436 Sun Jan 3 20:40:34 1999 Jeffrey A Law (law@cygnus.com)
438 * pa.md (branch, negated branch): Handle (const_int 0) as first
440 * pa.c (output_cbranch): Likewise.
442 Sun Jan 3 03:20:38 1999 David Edelsohn <edelsohn@mhpcc.edu>
444 * rs6000.c (rs6000_stack_info): Undo spurious part of last
447 1999-01-01 Manfred Hollstein <manfred@s-direktnet.de>
449 * extend.texi (__builtin_constant_p): Add missing @smallexample.
451 Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com)
453 * i386.md (doubleword shifts): Fix dumb mistakes in previous change.
455 Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com)
457 * m68k.md (adddi_dilshr32): Allow all operands to be registers too.
458 (adddi_dishl32): Similarly.
460 * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers
461 for each insn in the skipped block.
463 * reload1.c (reload_as_needed): Verify that the insn satisfies its
464 constraints after replacing a register address with an autoincrement
465 address for reload inheritance purposes.
467 * i386.md (doubleword shifts): Avoid namespace pollution.
469 Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com>
471 * configure.in (FreeBSD ELF): Needs special crt files.
473 Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com>
475 * i386/xm-cygwin.h: change DIR_SEPARATOR to forward slash.
477 1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
479 * loop.c (check_dbra_loop): While reversing the loop, if the
480 comparison value has a VOID mode use the mode of the other operand
483 Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com>
485 * rs6000.md ({save,restore}_stack_function): Take 2 operands to
486 avoid warnings in compiling explow.c.
488 (patch from Ken Raeburn, raeburn@cygnus.com)
489 * rs6000.c (rs6000_stack_info): Force 8-byte alignment of
490 fpmem_offset. Compute total size after that, and then
491 rs6000_fpmem_offset using both values.
493 Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
495 * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
496 the future; indeed that already happens in some cases.
498 Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com>
500 * sparc.c (input_operand): Recognize (const (constant_p_rtx)).
501 (arith_operand): Remove constant_p_rtx handling.
502 (const64_operand, const64_high_operand): Likewise.
503 (arith11_operand, arith10_operand, arith_double_operand): Likewise.
504 (arith11_double_operand, arith10_double_operand, small_int): Likewise.
505 (small_int_or_double, uns_small_int, zero_operand): Likewise.
506 * sparc.h (PREDICATE_CODES): Likewise.
508 * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX.
510 Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>:
512 * rtl.def (CONSTANT_P_RTX): Clarify commentary.
513 * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
514 consider constant CONSTRUCTOR constant and to defer some cases
516 * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
517 * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
519 Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com>
521 * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
522 * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
524 * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling.
525 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
526 (sext_add_operand, and_operand, or_operand): Likewise.
527 (reg_or_cint_operand, some_operand, input_operand): Likewise.
528 * alpha.h (PREDICATE_CODES): Likewise.
530 Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com)
532 * version.c: Bump for snapshot.
534 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
536 * gengenrtl.c (gencode): Always use bzero to clear memory instead
537 of dangerous casts and stores.
539 * Makefile.in (compare, gnucompare): Add missing else true clauses.
541 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
543 * alpha.md (builtin_longjmp): Add missing "DONE".
545 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
547 * gcc.c (execute): Enable -pipe with win32.
549 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
551 * config/arm/t-arm-elf: Add multiplib option for leading
554 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
555 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
557 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
558 than variable 'reload_address_base_reg_class'. [Note this
559 change is unrelated to the others in this patch].
561 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
564 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
566 * alias.c (record_alias_subset): Remove ignored `&'.
567 (init_alias_once): Likewise.
569 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
571 * config/mips/mips.c (mips_asm_file_end): Cast the result of
572 fwrite to `int' when comparing against one.
574 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
575 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
577 * cse.c (rehash_using_reg): Change type of variable `i' to
580 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
583 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
585 * final.c (final_scan_insn): Likewise for variable `i'.
586 (output_asm_insn): Cast a char to unsigned char when used as an
589 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
592 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
594 * recog.c (preprocess_constraints): Cast a char to unsigned char
595 when used as an array index.
597 * regmove.c (find_matches): Likewise.
599 * reload1.c (calculate_needs): Add default case in switch.
600 (eliminate_regs_in_insn): Initialize variable `offset'.
601 (set_offsets_for_label): Change type of variable `i' to unsigned.
602 (reload_as_needed): Wrap variable `i' in macro check on
603 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
605 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
606 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
607 when comparing against one.
609 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
610 unsigned when comparing against one. Likewise for
611 GET_MODE_ALIGNMENT().
612 (layout_record): Cast record_align to int when comparing against a
614 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
617 * tree.c (get_identifier): Cast variable `len' to unsigned when
618 comparing against one.
619 (maybe_get_identifier): Likewise
621 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
623 * toplev.c (rest_of_compilation): Do not set reload_completed.
624 * reload1.c (reload): Set reload_completed before calling
625 cleanup_subreg_operands.
627 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
629 * reload1.c (emit_reload_insns): Check `set' not null before use.
631 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
633 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
636 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
638 * halfpic.c (half_pic_encode): Delete redundant code.
640 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
642 * toplev.c (main): Delete handling of -dM as a preprocessor
645 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
647 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
648 -dI, which are handled by the preprocessor.
650 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
652 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
653 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
655 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
657 * version.c: Bump for snapshot.
659 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
661 * version.c: Bump for snapshot.
663 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
665 * version.c: Bump for snapshot.
667 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
669 * genattr.c (fatal): Qualify a char* with the `const' keyword.
671 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
672 write_unit_name, write_eligible_delay, expand_units,
673 make_length_attrs, write_attr_case, find_attr,
674 make_internal_attr): Likewise.
675 * gencheck.c (tree_codes): Likewise.
676 * gencodes.c (fatal): Likewise.
677 * genconfig.c (fatal): Likewise.
678 * genemit.c (fatal): Likewise.
679 * genextract.c (fatal, walk_rtx, copystr): Likewise.
680 * genflags.c (fatal): Likewise.
681 * genopinit.c (fatal, optabs, gen_insn): Likewise.
682 * genoutput.c (fatal, error, predicates): Likewise.
683 * genpeep.c (fatal): Likewise.
684 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
685 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
687 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
689 * configure.in (with-fast-fixincludes): Fix whitespace.
690 * configure: Rebuilt.
692 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
693 asm() etc. function declarations in __DECC.
695 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
697 * expr.c (emit_move_insn_1): Only emit a clobber if the target
698 is a pseudo register.
700 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
702 * gcse.c: Include expr.h in order to get the prototype for
703 get_condition() which is used in delete_null_pointer_checks().
705 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
707 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
709 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
711 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
712 (ALL_CFLAGS): Delete SCHED_CFLAGS.
714 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
716 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
719 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
721 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
722 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
723 optimizations from the combiner.
725 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
727 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
729 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
731 * toplev.c (main): Disable optimize_size if a specific
732 optimization level is requested. Always set optimization
733 level to 2 if -Os is specified.
735 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
737 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
739 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
740 initialize it using fname.
742 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
744 * cpplib.c (do_include): Treat #include_next in the
745 primary source file as #include plus warning. Treat
746 #include_next in a file included by absolute path as an
747 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
749 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
751 * cccp.c: Don't define MIN/MAX anymore.
752 * cpplib.c: Likewise.
753 * machmode.h: Likewise.
754 * system.h: Provide definitions for MIN/MAX.
756 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
758 * fix-header.c: Don't define xstrdup here.
760 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
762 * loop.c (consec_sets_giv): New argument last_consec_insn.
763 (strength_reduce): Provide / use it.
765 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
767 * loop.h (loop_info): New field 'vtop'.
768 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
769 scanning loop for vtop.
770 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
771 (loop_iterations): Use them to determine if loop has a constant
772 number of iterations. Set loop_info->vtop. Don't subtract
773 common reg term from initial_value and final_value if have a
776 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
778 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
780 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
782 * mn10200.md (abssf2, negsf2): New expanders.
784 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
786 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
788 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
789 replaced by a CONCAT whoes components do not have the same
790 mode as the original SUBREG, use a new SUBREG to restore the
793 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
794 multiword complex values.
796 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
798 * cppalloc.c: Add xstrdup here.
799 * cpplib.h: Remove savestring prototype.
800 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
802 * cppfiles.c: s/savestring/xstrdup/ throughout.
804 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
806 * cpplib.c: Make all directive handlers read their own
808 (struct directive): Remove last two arguments from FUNC
809 member prototype. Remove `command_reads_line' member
811 (directive_table): Remove initializations of
812 command_reads_line flag. Pretty-print.
813 (eval_if_expression, do_define, do_line, do_include,
814 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
815 do_else, do_elif, do_sccs, do_assert, do_unassert,
816 do_warning): Take only two args.
818 (cpp_define): Call do_define with two args and the text to
819 define stuffed into a buffer.
820 (make_assertion): Call do_assert with two args.
821 (handle_directive): Call do_line with two args. Call
822 kt->func with two args. Remove command_reads_line
824 (do_define, do_undef, do_error, do_warning, do_pragma,
825 do_sccs): Read the rest of the line here.
826 (do_ident): Gobble rest of line, as cccp does.
827 (cpp_undef): New function.
828 (cpp_start_read): Call cpp_undef instead of do_undef.
830 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
832 * cpphash.h (union hash_value): Remove `keydef' member, add a
833 `struct hashnode *aschain' member for #assert.
835 * cpplib.c (struct tokenlist_list, struct
836 assertion_hashnode): Delete structure definitions.
837 (assertion_install, assertion_lookup, delete_assertion,
838 check_assertion, compare_token_lists, reverse_token_list,
839 read_token_list, free_token_list): Delete functions.
840 (parse_assertion): New function.
841 (cpp_cleanup): Don't destroy the assertion_hashtable.
843 (do_assert): Gut and rewrite. #assert foo (bar) places
844 entries for `#foo' and `#foo(bar)' in the macro hash table,
845 type T_ASSERT. The value union's `aschain' member is used
846 to chain all answers for a given predicate together.
847 (do_unassert): Also rewritten. Take an un-asserted
848 answer off the chain from its predicate and call
849 delete_macro on the hashnode, or walk a predicate chain
850 calling delete_macro on all the entries.
851 (cpp_read_check_assertion): Simply call parse_assertion to
852 get the canonical assertion name, and look that up in the
855 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
858 * cpphash.c (install): Use bcopy instead of an explicit loop
859 to copy the macro name.
861 * cppexp.c (cpp_lex): Convert the result of
862 cpp_read_check_assertion to a `struct operation' directly;
863 don't go through parse_number.
865 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
867 * loop.h (struct induction): Delete times_used member.
868 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
869 (n_times_used): Rename to n_times_set. Changed all users.
870 (scan_loop): Free reg_single_usage before strength reduction.
871 (record_giv, combine_givs): Remove handling of times_used member.
872 (combine_givs_used_once): Rename to:
873 (combine_givs_used_by_other) . Changed all callers.
875 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
877 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
878 instead of TREE_CODE_CLASS == 't'.
879 (gen_type_die): Likewise.
880 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
882 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
884 * real.c (endian): Disable last change unless
885 HOST_BITS_PER_WIDE_INT is greater than 32.
887 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
889 * output.h (force_data_section): New prototype.
890 * varasm.c (force_data_section): New function to force the
891 data section, regardless of what in_section thinks.
892 * dwarf2out.c (output_call_frame_info): Call force_data_section
893 since varasm may not realize we've changes sections.
895 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
897 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
898 after completeing reload.
900 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
901 deleted after reload.
903 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
905 * rtl.h (multiple_sets): Fix prototype.
906 * rtlanal.c (multiple_sets): Fix return type.
908 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
910 * version.c: Bump for snapshot.
912 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
914 * version.c: Bump for snapshot.
916 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
918 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
920 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
922 * rtl.h (recompute_reg_usage): Add second argument.
923 * flow.c (recompute_reg_usage): Likewise.
924 * toplev.c (rest_of_compilation): Supply second argument to
927 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
930 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
932 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
933 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
934 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
937 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
939 * rtlanal.c (multiple_sets): New function.
940 * rtl.h (multiple_sets): Declare it.
941 * local-alloc.c (wipe_dead_reg): Use it.
942 * global.c (global_conflicts): Likewise.
944 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
946 * global.c (record_conflicts): Don't use an array of shorts to
947 store an array of ints.
948 (global_conflicts): Likewise.
950 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
952 * alpha.c (alpha_expand_block_move): mode_for_size expects
953 bits, not bytes. Infer extra alignment from addressof.
955 1998-12-11 Michael Meissner <meissner@cygnus.com>
957 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
958 .sbss section, not .sdata.
960 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
962 * cccp.c: Do not #include <sys/stat.h> here; this is already done
964 * collect2.c: Likewise.
965 * cpplib.h: Likewise.
968 * getpwd.c: Likewise.
969 * protoize.c: Likewise.
970 * toplev.c: Likewise.
972 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
973 and don't try to define it here.
974 * Makefile.in (cppmain.o): Depend on machmode.h.
975 (cpplib.o): Likewise.
976 (cpperror.o): Likewise.
977 (cppexp.o): Likewise.
978 (cppfiles.o): Likewise.
979 (cpphash.o): Likewise.
980 (cppalloc.o): Likewise.
981 (fix-header.o): Likewise.
982 (scan-decls.o): Likewise.
984 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
986 * sh.c (print_operand): lookup interrupt_handler attribute instead
987 of relying on static variable.
988 * (calc_live_regs): Likewise.
989 * (sh_pragma_insert_attributes): Create interrupt_handler
990 attribute if a pragma was specified
991 * (sh_valid_machine_decl_attribute): Don't set static flag.
992 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
994 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
996 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
997 to determine if a register is live at a jump destination.
998 Everything is dead at a BARRIER.
1000 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
1002 * cse.c (simplify_unary_operation): Sign-extend constants when
1003 they have the most significant bit set for the target.
1004 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
1006 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
1007 HOST_WIDE_INT temporary before negating it.
1008 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
1010 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
1012 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
1015 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1017 * collect2.h: New header file for prototypes.
1019 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
1021 * collect2.c: Include collect2.h.
1022 * tlink.c: Likewise.
1024 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
1026 * flow.c: Update some comments.
1028 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
1030 * objc/objc-act.c (cpp_initialized): Removed.
1031 (lang_init_options): Initialize cpplib.
1032 (lang_decode_option): Move initialization of cpplib to
1034 * c-lang.c: (parse_options,parse_in): Added.
1035 (lang_init_options): Initialized cpplib here.
1036 * c-decl.c (parse_options,cpp_initialized): Removed.
1037 (c_decode_option): Move initialization of cpplib to
1040 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1042 * reload1.c (reload_combine, reload_combine_note_store):
1043 Make STORE_RUID always valid.
1044 (reload_combine): Check if BASE is clobbered too early.
1046 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
1048 * reload.c (find_reloads): Display the insn that cannot be
1051 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
1053 * cccp.c (create_definition): Fix end of bufer logic.
1055 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1057 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
1058 pointer parameters changed to use the PARAMS() macro.
1060 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1062 * except.h (struct handler_info): Add handler_number field.
1063 * except.c (gen_exception_label): EH labels no longer need to be
1064 on the permanent obstack.
1065 (get_new_handler): Set the label number field.
1066 (output_exception_table_entry): Regenerate handler label reference
1067 from the label number field.
1068 (init_eh): Remove a blank line.
1069 * integrate.c (get_label_from_map): Labels no longer need to be
1070 on the permanent obstack.
1072 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
1074 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
1075 only when OUTER_CODE is SET.
1077 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1079 * loop.c (strength_reduce): If scan_start points to the loop exit
1080 test, be wary of subversive use of gotos inside expression statements.
1081 Don't set maybe_multiple for a backward jump that does not
1082 include the label under consideration into its range.
1083 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
1085 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1087 * explow.c (plus_constant_wide): Don't immediately return with
1088 result of recursive call.
1090 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1092 * eh-common.h (struct eh_context): Add table_index for rethrows.
1094 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
1095 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
1096 processed when inlined or unrolled (ie duplicated in some way).
1098 * rtl.c (reg_note_name): Add strings for new reg_note enums.
1100 * expr.h (rethrow_libfunc): New library decl.
1102 * optabs.c (rethrow_libfunc): Initialize.
1104 * except.h (struct eh_entry): Add new field 'rethrow_label'.
1105 (new_eh_region_entry): No longer exported from except.c.
1106 (duplicate_handlers): Renamed to duplicate_eh_handlers and
1107 different prototype.
1108 (rethrow_symbol_map, rethrow_used): New exported functions.
1109 (eh_region_from_symbol): New exported function.
1111 * except.c (create_rethrow_ref): New function to create a single
1112 SYMBOL_REF for a rethrow region.
1113 (push_eh_entry): Initialize a rethrow ref.
1114 (func_eh_entry): Add a rethrow_label field.
1115 (new_eh_region_entry): Make static, and initialize the rethrow entry.
1116 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
1117 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
1118 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
1119 a region into an appropriate new symbol.
1120 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
1121 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
1122 (end_catch_handler): Emit a barrier for new-exceptions since
1123 control can never drop through the end of a catch block.
1124 (expand_end_all_catch): new-exceptions never fall through a catch
1126 (expand_rethrow): use __rethrow routine for new exceptions.
1127 (output_exception_table_entry): Generate rethrow labels, if needed.
1128 (output_exception_table): Generate start and end rethrow labels.
1129 (init_eh): Create rethrow symbols for beginning and end of table.
1130 (scan_region): Don't eliminate EH regions which are the targets of
1133 * flow.c (make_edges): Add different edges for rethrow calls,
1134 identified by having the REG_EH_RETHROW reg label.
1135 (delete_unreachable_blocks): Don't delete regions markers which are
1136 the target of a rethrow.
1138 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
1139 allow save_for_inline_copying to call duplicate_eh_handlers.
1140 (save_for_inline_copying): Call duplicate_eh_handlers instead of
1141 exposing internal details of exception regions.
1142 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
1143 (expand_inline_function_eh_labelmap): New callback routine to
1144 allow expand_inline_function to call duplicate_eh_handlers.
1145 (expand_inline_function): Call duplicate_eh_handlers instead of
1146 exposing internal details of exception regions.
1147 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
1150 * libgcc2.c (find_exception_handler): Generalize to enable it to
1151 pick up processing where it left off last time for a rethrow.
1152 (__unwinding_cleanup): New function. debug hook which is called before
1153 unwinding when __throw finds there is nothing but cleanups left.
1154 (throw_helper): Common parts of __throw extracted out for reuse.
1155 (__throw): Common parts moved to throw_helper.
1156 (__rethrow): New function for performing rethrows.
1158 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
1160 * reload1.c (current_function_decl): Tweak declaration.
1162 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
1164 * c-decl.c (flag_isoc9x): Default off.
1165 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
1166 * cccp.c (print_help, main): Likewise.
1167 * gcc.c (default_compilers): Update for -std=gnu*.
1169 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
1171 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
1172 * demangle.h: Deleted.
1174 * reload1.c (current_function_decl): Declare.
1176 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1178 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
1180 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1182 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
1184 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
1186 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
1188 * configure: Rebuilt.
1189 * system.h: If the *_unlocked functions are available use them
1190 instead of the locked counterparts by defining macros.
1191 * config.in: Regenerated.
1193 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
1195 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
1196 wrong and should only be used for dump related things, not
1197 debugging information, instead main_input_filename should be used.
1198 Also, reuse output_file_directive if possible.
1199 * i386/aix386ng.h (ASM_FILE_START): Likewise.
1200 * i386/isc.h (ASM_FILE_START): Likewise.
1201 * i386/win-nt.h (ASM_FILE_START): Likewise.
1202 * i386/sun386.h (ASM_FILE_START): Likewise.
1204 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
1206 * configure.in (mips*-*-linux*): Handle big and little endian
1208 * configure: Rebuilt.
1210 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
1212 * emit-rtl.c: Fix typo.
1214 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
1216 * reload1.c (eliminate_regs): Don't do anything, if we're not
1219 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
1221 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
1223 * mips/mips.c (mips_select_section): Add comment.
1225 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
1227 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
1228 characters in file names in #line to be consistent with #include
1229 handling. We support escape prcessing in the # 1 "..." version of
1230 the command. See also support in cp/lex.c.
1231 (handle_directive): Likewise.
1232 (do_line): Likewise.
1234 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
1236 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
1237 so it'll work on non-ASCII platforms. Always consider $ an
1238 identifier character. Take no arguments.
1239 (cpp_reader_init): Call initialize_char_syntax with no
1241 (cpp_start_read): Don't call initialize_char_syntax again.
1242 Clear is_idchar['$'] and is_idstart['$'] if not
1243 opts->dollars_in_ident.
1245 * cpplib.h (struct cpp_reader): Replace void *data element by
1246 cpp_options *opts. Rearrange elements to make gdb printout
1247 less annoying (put buffer stack at end).
1248 (CPP_OPTIONS): Get rid of now-unnecessary cast.
1250 * cppmain.c: s/data/opts/ when initializing cpp_reader
1252 * c-decl.c: Likewise.
1253 * objc/objc-act.c: Likewise.
1254 * fix-header.c: Likewise.
1256 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
1258 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
1259 with a struct file_name_list pointer.
1260 (struct cpp_reader): Add pointer to chain of `actual
1261 directory' include searchpath entries.
1262 (struct file_name_list): Add *alloc pointer for the sake of
1263 the actual-directory chain.
1265 Move definition of HOST_WIDE_INT here.
1266 (cpp_parse_escape): Change prototype to match changes in
1269 * cppfiles.c (actual_directory): New function.
1270 (finclude): Use it to initialize the buffer's actual_dir
1272 (find_include_file): We don't need to fix up max_include_len
1275 * cpplib.c (do_include): Don't allocate a file_name_list on
1276 the fly for current directory "" includes, use the one that's
1277 been preallocated in pfile->buffer->actual_dir. Hoist out
1278 duplicate code from the search_start selection logic.
1279 (cpp_reader_init): Initialize pfile->actual_dirs.
1281 Remove definition of HOST_WIDE_INT. Change calls
1282 to cpp_parse_escape to match changes in cppexp.c (note
1283 hardcoded MASK, which is safe since this is the source
1286 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
1287 to handle wide character constants in #if directives. The
1288 function now returns a HOST_WIDE_INT, and takes a third
1289 argument which is a binary mask for all legal values (0x00ff
1290 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
1291 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
1292 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
1294 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
1296 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
1298 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1300 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
1301 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
1302 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
1304 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
1306 * final.c (output_asm_name): Use tabs to seperate comments from
1309 Include instruction lengths (if defined) in output.
1311 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1313 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
1314 in the loop_info structure.
1316 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
1318 * configure.in: (arm*-*-ecos-elf): New target.
1319 * configure: Regenerated.
1320 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
1321 * config/arm/ecos-elf.h: New file.
1322 * config/arm/unknown-elf.h (TARGET_VERSION): Check
1325 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1327 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
1329 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
1331 * version.c: Bump for snapshot.
1333 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1335 * loop.c (check_dbra_loop): New argument loop_info. Update fields
1338 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
1340 * version.c: Bump for snapshot.
1342 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1344 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
1345 compressed reports are ok and preferred over URLs
1347 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1349 * invoke.texi (Warning Options): Soften the tone of -pedantic
1351 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
1353 * print-rtl.c (print_rtx): Add prototype.
1355 * unroll.c (iteration_info): Make it static.
1357 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
1359 * alias.c (memrefs_conflict_p): A second ANDed address
1360 disables the aligned address optimization.
1362 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
1364 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
1367 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
1369 * i960.h (BOOL_TYPE_SIZE): Define.
1371 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1373 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
1374 from old valid_parallel_operands_4.
1375 (valid_parallel_operands_4): Check that operands for 4 operand
1376 parallel insns are valid, excluding load/store insns.
1377 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
1378 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
1379 valid_parallel_load_store instead of valid_parallel_operands_4.
1380 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
1381 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
1382 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
1383 *notqi_movqi_clobber): Use valid_parallel_operands_4.
1384 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
1385 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
1386 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
1388 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1390 * config/c4x/c4x.c (iteration_info): Delete extern.
1392 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1394 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
1396 * final.c (cleanup_subreg_operands): Delete some unused code.
1398 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
1399 (struct insn_alternative): New structure definition.
1400 (recog_op_alt): Declare variable.
1401 (preprocess_constraints): Declare function.
1402 * recog.c (recog_op_alt): New variable.
1403 (extract_insn): Verify number of alternatives is in range.
1404 (preprocess_constraints): New function.
1405 * reg-stack.c: Include recog.h.
1406 (constrain_asm_operands): Delete.
1407 (get_asm_operand_lengths): Delete.
1408 (get_asm_operand_n_inputs): New function.
1409 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
1410 N_OUTPUTS args. All callers changed.
1411 Compute number of inputs and outputs here by calling
1412 get_asm_operand_n_inputs.
1413 Instead of constrain_asm_operands, call extract_insn,
1414 constrain_operands and preprocess_constaints. Use information
1415 computed by these functions throughout.
1416 (record_reg_life): Delete code that is unused due to changes in
1417 record_asm_reg_life.
1418 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
1419 N_INPUTS and N_OUTPUTS args. All callers changed.
1420 Similar changes as in record_asm_reg_life.
1421 (subst_stack_regs): Move n_operands declaration into the if statement
1423 Delete code that is unused due to changes in subst_asm_stack_regs.
1424 * stmt.c (expand_asm_operands): Verify number of alternatives is in
1426 * Makefile.in (reg-stack.o): Depend on recog.h.
1428 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
1430 * except.c (set_exception_version_code): Argument is an "int".
1432 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
1434 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
1435 * configure: Rebuilt.
1437 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
1439 * configure.in (mipsel-*-linux*): New target.
1440 * mips/linux.h: New file, based on other Linux targets.
1442 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
1444 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
1445 runs in the context of the deleter, not the deletee, so we must
1446 use taskVarGet to find the correct memory to free.
1447 (__gthread_key_create): Initialize the task
1448 variable subsystem so that the task variable is still active when
1449 the delete hook is run.
1451 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
1453 * pdp11.h: Use optimize_size for space optimizations.
1454 * pdp11.c: Likewise.
1455 * pdp11.md: Likewise.
1457 * pdp11.h (TARGET_40_PLUS): Fix typo.
1459 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
1461 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
1464 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1466 * alias.c (addr_side_effect_eval): New function.
1467 (memrefs_conflict_p): Use it.
1468 * rtl.h (addr_side_effect_eval): Prototype it.
1470 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
1472 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
1474 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
1476 * reload.c (find_reloads): When force const to memory, put result
1477 in substed_operand not *recog_operand_loc.
1479 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
1481 * c-lex.c: Fix indentation from last patch.
1482 Remove trailing whitespace.
1485 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
1487 * flow.c (delete_block): Call set_last_insn after we have reset
1488 NEXT_INSN (kept_tail).
1490 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
1492 * mips.md (trap_if): Use "$0" for the value zero.
1494 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
1495 Stephen L Moshier <moshier@world.std.com>
1496 Richard Henderson <rth@cygnus.com>
1498 * c-common.c (declare_function_name): Declare predefinied variable
1501 * c-decl.c (flag_isoc9x): Set to 1 by default.
1502 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
1503 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
1505 * c-parse.in: Allow constructors in ISO C 9x.
1506 Rewrite designator list handling.
1507 Allow [*] parameters.
1508 Don't warn about comma at end of enum definition for ISO C 9x.
1510 * cccp.c (c9x): New variable.
1511 (rest_extension): New variable.
1512 (print_help): Document new -std= option.
1513 (main): Recognize -std= option. Set c9x appropriately.
1514 (create_definition): Recognize ISO C 9x vararg macros.
1516 * gcc.c (default_compilers): Adjust specs for -std options.
1517 (option_map): Add --std.
1518 (display_help): Document -std.
1520 * toplev.c (documented_lang_options): Add -std and remove
1523 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
1524 or REAL_VALUE_HTOF based on base of the constants.
1525 * fold-const.c (real_hex_to_f): New function. Replacement function
1526 for hex FP conversion if REAL_ARITHMETIC is not defined.
1527 * real.c (asctoeg): Add handling of hex FP constants.
1528 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
1531 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
1533 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
1534 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
1535 expansion. Use hi/lo as destination register.
1537 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
1538 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
1539 Avoid as macro expansion. Use hi/lo as destination register.
1541 * mips.h (MASK_CHECK_RANGE_DIV): New.
1542 (MASK_NO_CHECK_ZERO_DIV): New.
1543 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
1544 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
1545 return address for leaf functions out of r31 to support
1546 builtin_return_address.
1548 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1550 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
1551 NEXT_INSN(x) to check insn x.
1553 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
1555 * flow.c (delete_block): Call set_last_insn if we end up deleting the
1556 last insn in the rtl chain.
1558 * reload1.c (reload): Do not set reload_completed or split insns
1560 * toplev.c (rest_of_compilation): Set reload_completed after
1561 reload returns. Split insns after reload_cse has run.
1563 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
1565 * final.c (final_scan_insn): Abort if block_depth falls below 0.
1567 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
1569 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
1571 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
1573 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
1574 use of user-label_prefix.
1576 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1578 * reload1.c (emit_reload_insns): Clear spill_reg_store
1579 when doing a new non-inherited reload from the same pseudo.
1581 * local-alloc.c (function_invariant_p): New function.
1582 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
1583 to decide if an equivalence should be recorded.
1584 * reload1.c (num_eliminable_invariants): New static variable.
1585 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
1586 to decide if an equivalence should be recorded.
1588 (calculate_needs_all_insns): Skip insns that only set an equivalence.
1589 Take num_eliminable_invariants into account when deciding
1590 if register elimination should be done.
1591 (reload_as_needed): Take num_eliminable_invariants into account
1592 when deciding if register elimination should be done.
1593 (eliminate_regs): Handle non-constant reg_equiv_constant.
1594 * rtl.h (function_invariant_p): Declare.
1596 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
1598 * version.c: Bump for snapshot.
1600 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
1602 * version.c: Bump for snapshot.
1604 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
1606 * except.c (add_new_handler): Complain about additional handlers
1607 after one that catches everything.
1609 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
1611 * configure.in (alpha*-*-netbsd): Fix typo.
1612 * configure: Rebuilt.
1614 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1616 * system.h: Include libiberty.h.
1618 * c-aux-info.c: Remove prototypes for concat/concat3. Change
1619 function `concat' from fixed parameters to variable parameters,
1620 as is done in libiberty. All callers of concat/concat3
1621 changed to use the new `concat' with variable args.
1623 * cccp.c: Remove things made redundant by libiberty.h and/or
1624 conform to libiberty standards.
1626 * collect2.c: Likewise.
1627 * config/1750a/1750a.h: Likewise.
1628 * cppalloc.c: Likewise.
1629 * cppexp.c: Likewise.
1630 * cppfiles.c: Likewise.
1631 * cpphash.c: Likewise.
1632 * cpplib.c: Likewise.
1633 * dyn-string.c: Likewise.
1634 * fix-header.c: Likewise.
1637 * genattr.c: Likewise.
1638 * genattrtab.c: Likewise.
1639 * gencheck.c: Likewise.
1640 * gencodes.c: Likewise.
1641 * genconfig.c: Likewise.
1642 * genemit.c: Likewise.
1643 * genextract.c: Likewise.
1644 * genflags.c: Likewise.
1645 * gengenrtl.c: Likewise.
1646 * genopinit.c: Likewise.
1647 * genoutput.c: Likewise.
1648 * genpeep.c: Likewise.
1649 * genrecog.c: Likewise.
1650 * getpwd.c: Likewise.
1651 * halfpic.c: Likewise.
1653 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
1654 in NEED_DECLARATION_* macros.
1656 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
1657 conform to libiberty standards.
1658 (fatal): Fix const-ification of variable `format' in
1659 !ANSI_PROTOTYPES case.
1661 * prefix.c: Remove things made redundant by libiberty.h and/or
1662 conform to libiberty standards.
1664 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
1665 conflicting with function `spaces' from libiberty.
1667 * profile.c: Remove things made redundant by libiberty.h and/or
1668 conform to libiberty standards.
1669 * protoize.c: Likewise.
1672 * tlink.c: Likewise.
1673 * toplev.c: Likewise.
1674 * toplev.h: Likewise.
1677 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1679 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
1681 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1683 * README.C4X: Updated URLs.
1684 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
1685 (valid_parallel_operands_5): Remove unused variable.
1687 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1689 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
1691 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
1693 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
1694 which can be configured.
1695 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
1696 (Makefile): Pass actual LANGUAGES through the environment when
1698 (cstamp-h): Likewise.
1699 (config.status): Likewise.
1701 * configure.in (enable_languages): Add new configuration parameter
1702 "--enable-languages=lang1,lang2,...".
1703 (${srcdir}/*/config-lang.in): Change handling to configure only
1704 those directories, that the user might have enabled; default to
1705 "all" existing languages.
1706 * configure: Regenerate.
1708 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
1710 * rtlanal.c (regs_set_between_p): New function.
1711 * rtl.h (regs_set_between_p): Prototype it.
1712 * jump.c (jump_optimize): Use it instead of modified_between_p
1713 in the Sep 2 change.
1715 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
1716 Matthias Pfaller <leo@dachau.marco.de>
1718 * invoke.texi (Option Summary, NS32K Options): add description
1719 of NS32K specific options.
1721 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
1722 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
1723 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
1724 negdf2, absdf2): Use l instead of f since the double class and
1725 float class are no longer the same.
1726 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
1727 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
1728 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
1729 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
1731 (cmpsi, cmphi, cmpqi): use general_operand instead of
1732 non_immediate_operand. Removes erroneous assumption that can't
1734 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
1735 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
1737 (movstrsi, movstrsi1, movstrsi2): completely new block move
1739 (...): Patterns to exploit multiply-add instructions.
1740 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
1741 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
1742 patterns to exploit extended divide insns.
1743 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
1746 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
1747 float return values as well as simple scalar floats.
1748 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
1749 support new flag to denote 32381 fpu.
1750 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
1751 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
1753 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1754 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
1755 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
1756 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
1757 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
1758 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
1759 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
1760 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
1761 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
1762 fpu registers and special register classes for new 32381
1763 instructions dotf and polyf.
1764 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
1766 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
1767 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
1769 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
1770 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
1771 (REGISTER_MOVE_COST): move code to register_move_cost function for
1772 ease of coding and debugging.
1773 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
1774 LONG_FLOAT_REGO is likely spilled but not caught by default
1776 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
1777 instead of hard coded numbers in range check.
1778 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
1779 (...): Add prototypes for functions in ns32k.c but disable because
1780 of problems when ns32k.h is included in machine independant files.
1782 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
1783 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
1784 hard_regno_mode_ok, secondary_reload_class,
1785 print_operand, print_operand_address): new register scheme to
1786 include 32381 fpu registers and special register classes for new
1787 32381 instructions dotf and polyf.
1788 (gen_indexed_expr): Make static to keep namespace clean.
1789 (check_reg): remove since never called.
1790 (move_tail, expand_block_move): helper functions for "movstrsi"
1792 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
1793 Increase cost of moves which go via memory.
1794 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
1795 (CPP_PREDEFINES): nolonger predefine "unix".
1797 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
1798 Remove erroneous %$. print_operand() can work out from the rtx is
1799 an immediate prefix is required.
1801 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
1802 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
1803 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
1805 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
1808 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
1809 Correct handling of pic operands.
1810 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
1811 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
1812 -mrtd calling convention.
1814 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
1816 * gcc.c (option_map): Recognize --output-class-directory.
1818 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1820 * loop.h (precondition_loop_p): Added new mode argument.
1821 * unroll.c (precondition_loop_p): Likewise.
1822 (approx_final_value): Function deleted and subsumed
1823 into loop_iterations.
1824 (loop_find_equiv_value): New function.
1825 (loop_iterations): Use loop_find_equiv_value to find increments
1826 too large to be immediate constants. Also use it to find terms
1827 common to initial and final iteration values that can be removed.
1829 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1831 * loop.h (struct loop_info): Define new structure.
1832 (precondition_loop_p): Added prototype.
1833 (unroll_loop): Added new argument loop_info to prototype.
1834 (final_biv_value, final_giv_value): Added new argument n_iterations
1836 * loop.c (strength_reduce): Declare new structure loop_iteration_info
1837 and new pointer loop_info.
1838 (loop_n_iterations): Replace global variable by element in
1839 loop_info structure.
1840 (check_final_value): New argument n_iterations.
1841 (insert_bct): New argument loop_info.
1842 (loop_unroll_factor): Replace global array by element in
1843 loop_info structure.
1844 (loop_optimize): Remove code to allocate and initialise
1845 loop_unroll_factor_array.
1846 * unroll.c (precondition_loop_p): No longer static since
1847 used by branch on count optimization.
1848 (precondition_loop_p, unroll_loop): New argument loop_info.
1849 (final_biv_value, final_giv_value, find_splittable_regs): New
1850 argument n_iterations.
1851 (loop_iteration_var, loop_initial_value, loop_increment,
1852 loop_final_value, loop_comparison_code, loop_unroll_factor):
1853 Replaced global variables by loop_info structure.
1854 (loop_unroll_factor): Replace global array by element in
1855 loop_info structure.
1857 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1859 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
1862 * unroll.c (precondition_loop_p): Return loop_initial_value
1863 for initial_value instead of loop_iteration_var.
1865 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1867 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
1868 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
1869 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
1870 to output the instruction sequences.
1872 (rptb_top): Provide alternatives to use any register or memory
1874 (rptb_end): Emit use of operands rather than assigning them
1875 explicitly to the RS and RE registers.
1877 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1879 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
1880 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
1881 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
1882 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
1883 c4x_merge_notes, c4x_parallel_process,
1884 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
1885 c4x_combine_parallel): Delete.
1887 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1889 * config/c4x/c4x.c: (c4x_override_options): For compatibility
1890 with old target options clear flag_branch_on_count_reg if
1891 -mno-rptb specified and set flag_argument_alias is -mno-aliases
1893 (c4x_output_cbranch): Handle a sequence of insns rather than a
1895 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
1896 has not been allocated as the loop counter.
1897 (c4x_address_conflict): Do not allow two volatile memory references.
1898 (valid_parallel_operands_4, valid_parallel_operands_5,
1899 valid_parallel_operands_6): Reject pattern if the register destination
1900 of the first set is used as part of an address in the second set.
1902 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1904 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
1905 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
1906 is no longer enabled if PARALLEL_MPY_FLAG set.
1907 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
1908 (REG_CLASS_CONTENTS): Add braces around initializers.
1909 (HAVE_MULTIPLE_PACK): Define.
1910 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
1911 REAL_VALUE_TO_DECIMAL.
1912 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
1913 REAL_VALUE_TO_DECIMAL.
1914 (ar0_reg_operand): Add prototype.
1915 (ar0_mem_operand): Likewise.
1916 (ar1_reg_operand): Likewise.
1917 (ar1_mem_operand): Likewise.
1918 (ar2_reg_operand): Likewise.
1919 (ar2_mem_operand): Likewise.
1920 (ar3_reg_operand): Likewise.
1921 (ar3_mem_operand): Likewise.
1922 (ar4_reg_operand): Likewise.
1923 (ar4_mem_operand): Likewise.
1924 (ar5_reg_operand): Likewise.
1925 (ar5_mem_operand): Likewise.
1926 (ar6_reg_operand): Likewise.
1927 (ar6_mem_operand): Likewise.
1928 (ar7_reg_operand): Likewise.
1929 (ar7_mem_operand): Likewise.
1930 (ir0_reg_operand): Likewise.
1931 (ir0_mem_operand): Likewise.
1932 (ir1_reg_operand): Likewise.
1933 (ir1_mem_operand): Likewise.
1934 (group1_reg_operand): Likewise.
1935 (group1_mem_operand): Likewise.
1936 (ir1_reg_operand): Likewise.
1937 (arx_reg_operand): Likewise.
1938 (not_rc_reg): Likewise.
1939 (not_modify_reg): Likewise.
1940 (c4x_group1_reg_operand): Remove prototype.
1941 (c4x_group1_mem_operand): Likewise.
1942 (c4x_arx_reg_operand): Likewise.
1944 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
1946 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
1947 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
1949 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1951 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
1954 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1956 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
1957 unless FMOVD_WORKS is defined.
1959 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1961 * regclass.c (init_reg_sets): Move code that calculates tables
1962 dependent on reg_class_contents from here...
1963 (init_reg_sets_1): To here.
1965 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1967 * cpplib.h: Delete struct import_file. Add ihash element to
1968 struct cpp_buffer. Delete dont_repeat_files and
1969 import_hash_table elements from cpp_reader; change
1970 all_include_files to a hash table. Delete all foobar_include
1971 / last_foobar_include elements from struct cpp_options; put
1972 back four such: quote_include, bracket_include,
1973 system_include, after_include. Redo struct file_name_list
1974 completely. Add new structure type include_hash. Add
1975 prototypes for merge_include_chains and include_hash. Change
1976 prototypes for finclude, find_include_file, and
1977 append_include_chain to match changes below.
1979 * cppfiles.c (simplify_pathname, include_hash,
1980 remap_filename, merge_include_chains): New functions.
1981 (add_import, lookup_import, open_include_file): Removed.
1982 (INO_T_EQ): Define this (copied from cccp.c).
1983 (hack_vms_include_specification): Remove all calls and #if 0
1984 out the definition. It was being called incorrectly and at
1985 the wrong times. Until a VMSie can look at this, it's better
1986 to not pretend to support it.
1987 (append_include_chain): Change calling convention; now takes
1988 only one directory at a time, and sets up the data structure
1990 (redundant_include_p): Rewritten - this is now used for all
1991 include redundancy, whether by #ifndef, #import, or #pragma
1992 once. Looks up things in the include hash table.
1993 (file_cleanup): Decrement pfile->system_include_depth here if
1995 (find_include_file): Calling convention changed; now passes
1996 around a struct include_hash instead of 3 separate parameters.
1997 Guts ripped out and replaced with new include_hash mechanism.
1998 (finclude): Calling convention changed as for
1999 find_include_file. Error exits pulled out-of-line. Reformat.
2000 (safe_read): Return a long, not an int.
2001 (deps_output): Don't recurse.
2003 * cpplib.c (is_system_include): Deleted.
2004 (path_include): Fix up call to append_include_chain.
2005 (do_include): Fix up calls to find_include_file and finclude.
2006 Clean up dependency output a bit. Shorten obnoxiously lengthy
2007 #import warning message. Don't decrement
2008 pfile->system_include_depth here.
2009 (do_pragma): Understand the include_hash structure. Reformat.
2010 (do_endif): Correct handling of control macros. Understand
2012 (cpp_start_read): Fix up calls to finclude. Call
2013 merge_include_chains.
2014 (cpp_handle_option): Fix up calls to append_include_chain.
2015 Understand the four partial include chains.
2016 (cpp_finish): Add debugging code (#if 0-ed out) for the
2018 (cpp_cleanup): Free the include_hash, not the import hash and
2019 the all_include and dont_repeat lists which no longer exist.
2021 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
2023 * toplev.c (no_new_pseudos): Define.
2024 (rest_of_compilation): Set no_new_pseudos as needed.
2025 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
2026 if no_new_pseudos is set.
2027 * rtl.h (no_new_pseudos): Declare it.
2028 * reload1.c (reload): Update comments.
2029 * md.texi: Corresponding changes.
2031 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2033 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
2034 (choose_reload_regs): Rename it here as well. When computing it,
2035 also merge in used hardregs.
2037 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2039 * gcc.c: Split out Objective-C specs to...
2040 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
2043 * c-lex.c (init_parse): Always initialize the filename global.
2044 * objc/objc-act.c (lang_init): Always call check_newline at
2047 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
2049 * reload1.c (reload): Remove unused variable.
2050 (reload_reg_free_for_value_p): Add missing parameter definition.
2052 * jump.c (jump_optimize): Remove unused variable.
2054 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
2056 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
2058 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
2060 * expr.c (move_by_pieces): Similarly.
2061 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
2062 * flow.c (find_auto_inc): Similarly.
2063 (try_pre_increment): Similarly.
2064 * loop.c (strength_reduce): Similarly.
2065 * regclass.c (auto_inc_dec_reg_p): Similarly.
2066 * regmove.c (try_auto_increment): Similarly.
2067 (fixup_match_1): Similarly.
2068 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
2069 (HAVE_PRE_DECREMENT): Similarly.
2070 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
2071 * Corresponding changes to all target header files.
2072 * tm.texi: Update docs for autoinc addressing modes.
2074 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
2076 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
2077 * configure: Rebuild.
2078 * config/elfos.h: New file.
2079 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
2080 config/m68k/t-m68kelf: New file.
2082 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
2084 * Makefile.in (HOST_AR): Define.
2085 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
2086 (libcpp.a): Use the host tools explicitly.
2087 (STAGESTUFF): Add libcpp.a.
2089 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
2091 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
2092 to source and destination registers.
2094 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
2096 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
2097 The strategy we now use is to pre allocate the top_elt along
2098 with the EH context so that each thread has its own top_elt.
2099 This is necessary as the dynmanic cleanup chain is used on the
2100 top element of the stack and each thread MUST have its own.
2101 (eh_context_static): Likewise.
2102 (new_eh_context): Likewise.
2103 (__sjthrow): Likewise.
2105 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
2107 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
2108 * i386.md (prologue_get_pc): Remove unused variable.
2110 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
2112 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
2114 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
2116 * Makefile.in (OBJS): Add graph.o
2117 (graph.o): New dependency list.
2118 * flags.h: Declare dump_for_graph and define graph_dump_types type.
2119 * print-rtl.c (dump_for_graph): Define new variable.
2120 (print_rtx): Rewrite to allow use in graph dumping functions.
2121 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
2122 finish_graph_dump_file.
2123 Define graph_dump_format.
2124 (compile_file): If graph dumping is enabled also clear these files.
2125 Finish graph dump files.
2126 (rest_of_compilation): Also dump graph information if enabled.
2127 (main): Recognize -dv to enabled VCG based graph dumping.
2128 * graph.c: New file. Graph dumping functions.
2130 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
2132 * configure.in: Look for <sys/stat.h>.
2133 * system.h: Include it before substitute S_ISREG definitions.
2135 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
2137 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
2138 * config/mips/iris6.h: Same.
2139 * config/mips/mips.md: Same.
2140 * config/mips/mips.c: Same; also add "-mabi=o64" option.
2141 * config/mips/mips.h: Same; also define ABI_O64.
2143 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2145 * configure.in: Use AC_PREREQ(2.12.1).
2147 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2149 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
2150 * cpplib.c, gcc.c: Likewise.
2151 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
2153 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
2155 * local-alloc.c (local_alloc): Use malloc not alloca for
2156 reg_qty, reg_offset, ref_next_in_qty.
2158 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2160 * caller-save.c (insert_one_insn): Initialize the live_before and
2161 live_after register sets.
2165 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
2166 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
2167 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
2168 (fp_reg_names, assembler_dialect): New variables.
2169 (print_operand_address): Handle SUBREGs.
2170 (print_operand): Added 'o' case.
2171 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
2172 Name of FP registers depends on mode.
2173 (expand_block_move): Emit different code for SH4 hardware.
2174 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
2175 (from_compare): Likewise.
2176 (add_constant): New argument last_value. Changed all callers.
2177 (find_barrier): Don't try HImode load for FPUL_REG.
2178 (machine_dependent_reorg): Likewise.
2179 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
2180 (gen_far_branch): Emit a barrier after the new jump.
2181 (barrier_align): Don't trust instruction lengths before
2183 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
2184 Use auto-inc addressing for fp registers if doubles need to
2185 be loaded in two steps.
2186 Set sh_flag_remove_dead_before_cse.
2187 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
2188 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
2189 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
2190 Support for FIRST_XD_REG .. LAST_XD_REG.
2191 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
2192 (sh_expand_epilogue): Likewise.
2193 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
2194 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
2195 (arith_reg_operand): FPUL_REG is OK for SH4.
2196 (fp_arith_reg_operand, fp_extended_operand) New functions.
2197 (tertiary_reload_operand, fpscr_operand): Likewise.
2198 (commutative_float_operator, noncommutative_float_operator): Likewise.
2199 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
2200 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
2201 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
2202 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
2203 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
2204 (CONDITIONAL_REGISTER_USAGE): Likewise.
2205 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
2206 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
2207 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
2208 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
2209 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
2210 to -1 and sh_flag_remove_dead_before_cse to 1.
2211 (ASSEMBLER_DIALECT): Define to assembler_dialect.
2212 (assembler_dialect, fp_reg_names): Declare.
2213 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
2214 Hide names of registers that are not accessible.
2215 (CACHE_LOG): Take TARGET_CACHE32 into account.
2216 (LOOP_ALIGN): Take TARGET_HARWARD into account.
2217 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
2218 (FIRST_PSEUDO_REGISTER: Now 49.
2219 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
2220 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
2221 (HARD_REGNO_MODE_OK): Update.
2222 (enum reg_class): Add DF_REGS and FPSCR_REGS.
2223 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
2224 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
2225 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
2226 (NPARM_REGS): Eight floating point parameter registers on SH4.
2227 (BASE_RETURN_VALUE_REG): SH4 also passes double values
2228 in floating point registers.
2229 (GET_SH_ARG_CLASS) Likewise.
2230 Complex float types are also returned in float registers.
2231 (BASE_ARG_REG): Complex float types are also passes in float registers.
2232 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
2233 (LIBCALL_VALUE): Remove trailing semicolon.
2234 (ROUND_REG): Round when double precision value is passed in floating
2236 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
2237 passed on the stack.
2238 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
2239 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
2240 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
2241 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
2242 (MODE_DISP_OK_8): Not for SH4 DFmode.
2243 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
2244 Allow indexed addressing for PSImode after reload.
2245 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
2246 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
2247 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
2248 (DOUBLE_TYPE_SIZE): 64 for SH4.
2249 (RTX_COSTS): Add PLUS case.
2250 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
2251 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
2252 MAC_REGS, PR_REGS, DF_REGS.
2253 (REGISTER_NAMES): Use fp_reg_names.
2254 (enum processor_type): Add PROCESSOR_SH4.
2255 (sh_flag_remove_dead_before_cse): Declare.
2256 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
2257 (PREDICATE_CODES): Add binary_float_operator,
2258 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
2259 fpscr_operand, noncommutative_float_operator.
2260 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
2261 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
2262 * sh.md (attribute cpu): Add value sh4.
2263 (attrbutes fmovd, issues): Define.
2264 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
2265 (function units memory, int, mpy, fp): Make dependent on issue rate.
2266 (function units issue, single_issue, load_si, load): Define.
2267 (function units load_store, fdiv, gp_fpul): Define.
2268 (attribute hit_stack): Provide proper default.
2269 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
2270 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
2271 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
2272 (mulsi3_call): Now uses match_operand for function address.
2273 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
2275 (push, pop, push_e, pop_e): Now define_expands.
2276 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
2277 (movsi_ie): Added y/i alternative.
2278 (ic_invalidate_line_i, movdf_i4): New insns.
2279 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
2280 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
2281 (movdf): Add special code for SH4.
2282 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
2283 (call_valuei, calli, call_value): Likewise.
2284 (movsf): Emit no-op move.
2285 (mov_nop, movsi_y): New insns.
2286 (blt, sge): generalize to handle DFmode.
2287 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
2288 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
2289 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
2290 (fpu_switch0, fpu_switch1, movpsi): New expanders.
2291 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
2292 (toggle_sz): New insn.
2293 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
2294 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
2295 (macsf3): Make use of fpscr visible. Disable for SH4.
2296 (floatsisf2): Make use of fpscr visible.
2297 (floatsisf2_i4): New insn.
2298 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
2299 (ieee_ccmpeqsf_t): Likewise.
2300 (fix_truncsfsi2): Emit different code for SH4.
2301 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
2302 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
2303 (negsf2, sqrtsf2, abssf2): Now expanders.
2304 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
2305 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
2306 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
2307 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
2308 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
2309 (fix_truncdfsi2_i4_2+1): New splitters.
2310 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
2311 (extendsfdf2, truncdfsf2): New expanders.
2312 (truncdfsf2_i4): New insn.
2313 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
2314 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
2315 * float-sh.h: When testing for __SH3E__, also test for
2316 __SH4_SINGLE_ONLY__ .
2317 * va-sh.h (__va_freg): Define to float.
2318 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
2319 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
2320 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
2321 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
2323 (TARGET_SH4_P): Define.
2326 * sh.md (movdf_k, movsf_i): Tweak the condition so that
2327 init_expr_once is satisfied about the existence of load / store insns.
2329 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
2330 change m constraint in source operand to mr / mf .
2332 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
2334 * (__VA_REEF): Define.
2335 (__va_arg_sh1): Use it.
2337 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
2339 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
2341 * i386/dgux.c (struct option): Add new "description field".
2342 * m88k/m88k.c (struct option): Likewise.
2344 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
2346 * version.c: Bump for snapshot.
2348 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2350 * regmove.c (regmove_profitable_p): Use return value of find_matches
2353 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
2355 * version.c: Bump for snapshot.
2357 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
2359 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
2360 without reload having been called earlier.
2362 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
2364 (v850_reorg): Similarly.
2366 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
2368 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2370 * loop.c (move_movables): Start of libcall might be new loop start.
2372 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2374 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
2376 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2378 * function.c (nonlocal_goto_handler_slots): Renamed from
2379 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
2380 (push_function_context_to): Adjust for this change.
2381 (pop_function_context_from): Likewise.
2382 (init_function_start): Likewise.
2383 (expand_function_end): Likewise.
2384 * function.h (struct function): Likewise.
2385 * calls.c (expand_call): Likewise.
2386 * explow.c (allocate_dynamic_stack_space): Likewise.
2387 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
2388 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
2390 (expand_goto): When doing a nonlocal goto, find corresponding handler
2391 slot for it. Don't put the label address in the static chain register.
2392 (expand_end_bindings): Break out nonlocal goto handling code into
2393 three new functions.
2394 (expand_nl_handler_label, expand_nl_goto_receiver,
2395 expand_nl_goto_receivers): New static functions, broken out of
2396 expand_end_bindings and adapted to create one handler per nonlocal
2398 * function.c (delete_handlers): Delete insn if it references any of
2399 the nonlocal goto handler slots.
2400 * i960.md (nonlocal_goto): Comment out code that modifies
2402 * sparc.md (nonlocal_goto): Likewise.
2403 (goto_handler_and_restore_v9): Comment out.
2404 (goto_handler_and_restore_v9_sp64): Comment out.
2406 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2408 * expr.c (STACK_BYTES): Delete unused macro.
2409 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
2410 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2411 (expand_call): Likewise.
2412 (emit_library_call): Likewise.
2413 (emit_library_call_value): Likewise.
2414 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
2415 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2416 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
2417 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2418 (allocate_dynamic_stack_space): Likewise.
2419 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
2420 (STACK_BOUNDARY): Update description to reflect the new situation.
2422 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
2424 * reorg.c (relax_delay_slots): When optimizing for code size, if a
2425 return with a filled delay slot is followed by a return with an
2426 unfilled delay slot, delete the first return and reemit the insn
2427 that was previously in its delay slot.
2429 * i860.c (single_insn_src_p): Add missing parens.
2430 * ginclude/math-3300.h: Likewise.
2432 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
2434 * regclass.c (init_reg_sets_1): Add prototype.
2435 (init_reg_modes): Likewise.
2437 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
2439 * c-common.c: Change warning messages to say `comparison is
2440 always true' or `comparison is always false' instead of the
2441 confusing `is always 0', `is always 1'.
2443 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
2445 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
2446 break instead of return (which loses closing '>').
2448 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
2450 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
2451 standard 387 constants.
2453 * i386.md (jump): Explicitly set "memory" attribute.
2454 (indirect_jump, prologue_set_stack_ptr): Likewise.
2455 (prologue_get_pc_and_set_got, pop): Likewise.
2456 (allocate_stack_worder, blockage, return_internal): Likewise.
2457 (return_pop_internal, nop): Likewise.
2458 (epilogue_set_stack_ptr, leave): Likewise.
2460 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
2462 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
2464 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2466 * reload1.c (reload_reg_free_for_value_p):
2467 Early auto_inc reloads don't conflict with outputs.
2469 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2471 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
2472 Instead call AC_HEADER_SYS_WAIT.
2474 * collect2.c: Don't provide defaults for sys/wait.h macros.
2476 * protoize.c: Likewise. Also, don't include sys/wait.h.
2478 * system.h: Include sys/wait.h and provide macro defaults.
2480 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2482 * Makefile.in (mandir): Set to @mandir@.
2483 (man1dir): New variable to hold the former value of $(mandir).
2484 Replace all uses of $(mandir) by $(man1dir).
2486 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
2488 * reload.c (find_reloads_address_part): If have a CONST_INT, create
2489 a new one before passing it to force_const_mem.
2491 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
2492 find_reloads_address call.
2494 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2496 * expr.c (store_expr): Don't generate load-store pair
2497 if TEMP is identical (according to ==) with TARGET.
2499 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2501 * reload1.c (reload_reg_free_for_value_p): When considered reload
2502 has an output, matching inputs are not sufficient to avoid conflict.
2504 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
2506 * hash.h (hash_table_key): New type.
2507 (hash_entry): Change `string' field to generic `key'.
2508 (hash_table): Add `comp' and `hash' functions.
2509 (hash_table_init): Take them as input.
2510 (hash_table_init_n): Likewise.
2511 (hash_lookup): Modify for generic keys.
2512 (hash_newfunc): Likewise.
2513 (hash_traverse): Likewise.
2514 (string_hash): New function.
2515 (string_compare): Likewise.
2516 (string_copy): Likewise.
2517 * hash.c (hash_table_init_n): Modify for generic keys.
2518 (hash_table_init): Likewise.
2519 (hash_lookup): Likewise.
2520 (hash_newfunc): Likewise.
2521 (hash_traverse): Likewise.
2522 (string_hash): Split out from hash_lookup.
2523 (string_compare): New function.
2524 (string_copy): Split out from hash_lookup.
2525 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
2527 (symbol_hash_lookup): Likewise.
2528 (file_hash_newfunc): Likewise.
2529 (file_hash_lookup): Likewise.
2530 (demangled_hash_newfunc): Likewise.
2531 (demangled_hash_lookup): Likewise.
2532 (tlink_int): Likewise.
2533 (read_repo_file): Likewise.
2534 (recompile_files): Likewise.
2535 (demangle_new_symbols): Likewise.
2536 (scan_linker_output): Likewise.
2538 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2540 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
2542 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
2544 * rs6000.c (output_mi_thunk): Improve test for local branch.
2546 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2548 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
2550 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2552 * reload1.c (reload_reg_free_before_p): Delete.
2553 Changed all callers to use reload_reg_free_for_value_p instead.
2554 (reload_reg_free_for_value_p): Handle more reload types.
2555 A RELOAD_FOR_INPUT doesn't conflict with its
2556 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
2557 Add special case for OUT == const0_rtx.
2558 Added ignore_address_reloads argument. Changed all callers.
2560 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
2562 * toplev.c (compile_file): Don't pedwarn about undefined static
2563 functions just because we passed -Wunused.
2565 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2567 * function.c (purge_addressof_1): Unshare rtl created by
2570 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2572 * regmove.c (regmove_optimize): Don't do anything but
2573 optimize_reg_copy[123] when flag_regmove is not set.
2575 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
2577 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
2578 value in paradoxical SImode result, rather than truncating midpoint.
2580 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
2582 * alpha.c (reg_not_elim_operand): New.
2583 * alpha.h (PREDICATE_CODES): Add it.
2584 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
2585 for the multiplicand.
2587 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
2589 * rs6000.md (movsf): Remove explicit secondary-reload-like
2590 functionality. Only truncate SFmode store if in FPR.
2591 (movsf splitters): Combine const_double splitters.
2592 (movsf_hardfloat): Add GPR support.
2594 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
2596 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
2597 deprecate -mlive-g0 and -mbroken-saverestore.
2598 * t-splet (MULTILIB_OPTIONS): Likewise.
2600 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
2601 in a leaf function. Clarify total_size/extra_size relationship.
2603 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
2605 * i386/cygwin32.asm: Delete.
2606 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
2607 * i386/cygwin32.h: Delete.
2608 * i386/cygwin.h: New file, renamed from cygwin32.h.
2609 * i386/t-cygwin32: Delete.
2610 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
2611 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
2612 * i386/x-cygwin32: Delete.
2613 * i386/x-cygwin: New file, renamed from x-cygwin32.
2614 * i386/xm-cygwin32: Delete.
2615 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
2616 renamed cygwin_ funcs for path translations.
2617 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
2618 * i386/winnt.c: Remove "32" from comment about cygwin.
2619 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
2620 * rs6000/cygwin32.h: Delete.
2621 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
2622 -D__CYGWIN__ to CPP_PREDEFINES.
2623 * rs6000/x-cygwin32: Delete.
2624 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
2625 * rs6000/xm-cygwin32: Delete.
2626 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
2628 * configure.in: Check for cygwin* instead of cygwin32. Account
2629 for the rename of cygwin-related config files to lose the "32"s.
2630 * configure: Regenerate.
2632 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
2633 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
2635 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
2637 * Makefile.in (JAVAGC): New macro.
2638 * configure: Rebuilt.
2639 * configure.in: Recognize --enable-java-gc argument. Subst
2642 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2644 Handle equivalences that have been obscured by gcse:
2646 * reload1.c (reload): Handle equivalences set up in multiple places.
2647 * local-alloc.c (reg_equiv_init_insns): New variable.
2648 (no_equiv): New function.
2649 (update_equiv_regs): Handle equivalences set up in multiple places.
2650 Don't ignore an insn just because its destination is likely to be
2653 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
2655 * except.c (expand_eh_return): Readd force_operand call lost in
2658 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
2660 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
2662 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2664 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
2666 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2668 * regmove.c (regmove_optimize): Fix error in last change.
2670 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
2672 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
2673 offset in the .mask pseudo to compensate for frame pointer adjustments.
2674 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
2675 word swap arguments moved to/from FP registers.
2676 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
2678 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
2680 * version.c: Bump for snapshot.
2682 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
2684 * version.c: Bump for snapshot.
2686 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
2688 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
2689 times, then it can not be completely replaced.
2691 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
2693 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
2695 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2697 * gansidecl.h: Prepend a "G" to the macro wrapping this file
2698 (to distinguish it from the macro wrapping ansidecl.h.)
2699 Include libiberty's ansidecl.h. Remove all redundant definitions.
2700 Define the PROTO() style macros in terms of the PARAMS() ones.
2703 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
2704 __STDC__, when deciding whether to use ANSI variable args.
2705 (emit_library_call_value): Likewise.
2707 * cccp.c (error): Likewise.
2708 (warning): Likewise.
2709 (error_with_line): Likewise.
2710 (warning_with_line): Likewise.
2711 (pedwarn): Likewise.
2712 (pedwarn_with_line): Likewise.
2713 (pedwarn_with_file_and_line): Likewise.
2716 * cexp.y (error): Likewise.
2717 (pedwarn): Likewise.
2718 (warning): Likewise.
2720 * collect2.c (fatal_perror): Likewise.
2724 * combine.c (gen_rtx_combine): Likewise.
2726 * cpperror.c (cpp_message): Likewise.
2727 (cpp_fatal): Likewise.
2729 * cpplib.c (cpp_error): Likewise.
2730 (cpp_warning): Likewise.
2731 (cpp_pedwarn): Likewise.
2732 (cpp_error_with_line): Likewise.
2733 (cpp_warning_with_line): Likewise.
2734 (cpp_pedwarn_with_line): Likewise.
2735 (cpp_pedwarn_with_file_and_line): Likewise.
2737 * cpplib.h: Don't define PARAMS() macro.
2739 * demangle.h: Likewise.
2741 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
2742 when deciding whether to use ANSI variable args.
2744 * emit-rtl.c (gen_rtx): Likewise.
2745 (gen_rtvec): Likewise.
2747 * final.c (asm_fprintf): Likewise.
2749 * fix-header.c (cpp_message): Likewise.
2751 (cpp_fatal): Likewise.
2753 * gcc.c (concat): Likewise.
2757 * genattr.c (fatal): Likewise.
2759 * genattrtab.c (attr_rtx): Likewise.
2760 (attr_printf): Likewise.
2763 * gencodes.c (fatal): Likewise.
2765 * genconfig.c (fatal): Likewise.
2767 * genemit.c (fatal): Likewise.
2769 * genextract.c (fatal): Likewise.
2771 * genflags.c (fatal): Likewise.
2773 * genopinit.c (fatal): Likewise.
2775 * genoutput.c (fatal): Likewise.
2778 * genpeep.c (fatal): Likewise.
2780 * genrecog.c (fatal): Likewise.
2782 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
2783 deciding whether to declare `tree_node' and `rtx_def'.
2785 * hash.h: Don't define stuff we get from gansidecl.h.
2787 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
2788 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2789 whether to use ANSI variable args.
2792 * prefix.c (concat): Likewise.
2796 * system.h: Likewise.
2798 * toplev.c (error_with_file_and_line): Likewise.
2799 (error_with_decl): Likewise.
2800 (error_for_asm): Likewise.
2803 (warning_with_file_and_line): Likewise.
2804 (warning_with_decl): Likewise.
2805 (warning_for_asm): Likewise.
2806 (warning): Likewise.
2807 (pedwarn): Likewise.
2808 (pedwarn_with_decl): Likewise.
2809 (pedwarn_with_file_and_line): Likewise.
2811 (really_sorry): Likewise.
2813 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2814 whether to declare `tree_node' and `rtx_def'.
2816 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
2817 deciding whether to use ANSI variable args.
2818 (build_nt): Likewise.
2819 (build_parse_node): Likewise.
2821 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
2823 * version.c: Bump for snapshot.
2825 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2827 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
2829 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
2831 * collect2.c (main, case 'b'): Use else if.
2833 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2835 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
2836 Arrange to include gansidecl.h in {ht}config.h & tm.h just
2837 before the config/ directory headers.
2838 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
2839 gansidecl.h in the list of dependencies.
2841 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
2842 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
2843 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
2844 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
2845 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
2846 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
2849 * cccp.c: Don't include gansidecl.h.
2851 * collect2.c: Likewise.
2852 * config/c4x/c4x.c: Likewise.
2853 * config/v850/v850.h: Likewise.
2854 * cppalloc.c: Likewise.
2855 * cpperror.c: Likewise.
2856 * cppexp.c: Likewise.
2857 * cppfiles.c: Likewise.
2858 * cpphash.c: Likewise.
2859 * cpplib.c: Likewise.
2860 * cppmain.c: Likewise.
2861 * cppulp.c: Likewise.
2862 * demangle.h: Likewise.
2863 * doprint.c: Likewise.
2864 * dyn-string.c: Likewise.
2865 * eh-common.h: Likewise.
2866 * fix-header.c: Likewise.
2867 * frame.c: Likewise.
2870 * gen-protos.c: Likewise.
2871 * gencheck.c: Likewise.
2872 * halfpic.h: Likewise.
2874 * machmode.h: Likewise.
2875 * mbchar.c: Likewise.
2876 * prefix.c: Likewise.
2877 * protoize.c: Likewise.
2878 * recog.h: Likewise.
2880 * scan-decls.c: Likewise.
2882 * varray.h: Likewise.
2884 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
2886 * i386.md (call_value_pop): If we're not popping anything,
2887 defer to call_value.
2888 (call_pop): Likewise defer to call.
2890 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
2892 * function.c (purge_addressof): Clear purge_addressof_replacements
2893 only after processing the whole function.
2895 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
2897 * reload1.c (reload): If we can not perform a particular elimination
2898 when we thought we could earlier, then we must always iterate through
2899 the loop at least one more time.
2901 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
2903 * alpha.c (add_operand): Simplify the CONST_INT match.
2904 (sext_add_operand): Correct typo in comparison by using
2905 CONST_OK_FOR_LETTER_P.
2906 * alpha.md (s?addq): Use sext_add_operand to allow the negative
2907 constant alternatives to be generated.
2908 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
2909 small constants, since the hw instructions do.
2911 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2913 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
2914 previous insn to store directly into our reload register, make sure
2915 that if the source of the previous insn is a reload register, its
2916 spill_reg_store and spill_reg_stored_to values are cleared.
2918 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
2920 * rs6000.md (floatunssidf2_internal splitter): Use base register
2921 operand, not hard-coded SP.
2923 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2925 * jump.c (calculate_can_reach_end): Fix thinko.
2927 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
2929 * reorg.c (fill_simple_delay_slots): Fix typo.
2931 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
2933 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
2935 * i386.md (extendsidi2): Use # in the output template.
2936 (extendsidi splitters): New splitters.
2938 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
2940 * configure.in: Use unknown-elf.h as tm_file for arm-elf
2942 * configure: Regenerate.
2944 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2946 * jump.c (init_label_info, delete_barrier_successors,
2947 mark_all_labels, delete_unreferenced_labels,
2948 delete_noop_moves, calculate_can_reach_end): New functions broken
2949 out of jump_optimize.
2950 (jump_optimize): Use them.
2952 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2954 * except.c (expand_fixup_region_end): Make sure outer context labels
2955 are not issued in an inner context during cleanups.
2957 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
2959 * alpha.md (addsi3, subsi3): No new temporaries once cse is
2962 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
2964 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
2965 to expose this midpoint to CSE.
2967 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2969 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
2971 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2973 * configure.in: Bring over gcc2 change of Nov 19 1997.
2975 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
2977 * toplev.c (output_lang_identify): Make definition dependent on
2978 ASM_IDENTIFY_LANGUAGE.
2980 * print-rtl.c (spaces): Make static.
2982 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
2984 * extend.texi: Clarify proper uses for register clobbers in asms.
2986 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2988 * recog.h (enum op_type): Define.
2989 (constrain_operands): Adjust prototype.
2990 (recog_op_type): Declare new variable.
2991 * recog.c (recog_op_type): New variable.
2992 (insn_invalid_p): Allow modifying an asm statement after reload.
2993 (extract_insn): Set up recog_op_type.
2994 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
2995 Don't compute operand types, use recog_op_type.
2996 Use the information computed by extract_insn instead of the previous
2997 method of finding it by insn code number.
2998 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
2999 * reorg.c (fill_slots_from_thread): Likewise.
3000 * reload1.c (reload_as_needed): Likewise.
3001 (gen_reload): Likewise.
3002 (inc_for_reload): Likewise.
3003 (reload_cse_simplify_operands): Likewise.
3004 Use the information computed by extract_insn instead of the previous
3005 method of finding it by insn code number.
3006 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
3008 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
3009 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
3010 Use the information computed by extract_insn instead of the previous
3011 method of finding it by insn code number.
3012 * regmove.c (find_matches): Likewise. Change meaning of the return
3013 value to be nonzero if the optimization can be performed, zero if
3014 not. All callers changed.
3015 Shorten some variable names to fix formatting problems.
3016 (regmove_optimize): Shorten some variable names to fix formatting
3018 Use the information computed by extract_insn instead of the previous
3019 method of finding it by insn code number.
3020 * regclass.c (scan_one_insn): Likewise.
3021 (record_reg_classes): Don't compute operand types, use recog_op_type.
3022 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
3023 recog_constraints instead.
3025 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
3027 * rtl.h (flow2_completed): Declare.
3028 * flow.c (flow2_completed): Definition.
3029 * toplev.c (rest_of_compilation): Set and clear flow2_completed
3032 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
3034 * Makefile.in (libcpp.a): Ranlib libcpp.a
3036 * cppulp.c (user_label_prefix): Initialize.
3038 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
3040 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
3041 at a RETURN if current_function_sp_is_unchanging is set.
3043 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3045 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
3047 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
3049 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
3050 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
3051 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
3052 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
3053 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
3054 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
3056 (LIB_SPEC): Handle -mno-cyginw option.
3057 (LINK_SPEC): Handle -mdll.
3059 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3061 * reload.c (find_reloads): Fix test for usage by other reload
3062 to handle secondary reloads properly.
3064 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3066 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
3067 intermediate structure which has exactly the members provided by
3068 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
3069 static intermediate structure.
3071 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
3072 from the intermediate structure. Do the same analogous fix in
3073 the case where ELIMINABLE_REGS is not defined.
3075 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
3077 * pa.h (SELECT_SECTION): Fix thinko.
3079 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
3081 * dwarf2out.c (output_call_frame_info): Comments on last change.
3083 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
3085 * arm.c (add_constant): When taking the address of an item in the
3086 pool, get the mode of the item addressed.
3088 * arm.c (final_prescan_insn case INSN): If an insn doesn't
3089 contain a SET or a PARALLEL, don't consider it for conditional
3092 Restore ABI compatibility for NetBSD.
3093 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
3095 (RETURN_IN_MEMORY): Likewise.
3097 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
3099 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
3100 (m32r_output_block_move): Rewrite bytes < 4 handling.
3102 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3104 * configure.in: Call AC_FUNC_VFORK.
3106 * collect2.c: Define VFORK_STRING as a printable string for
3107 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
3108 defined, include vfork.h. If VMS is defined, define vfork()
3109 appropriately. Remove vfork check on USG, we're using autoconf.
3110 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
3111 checking locally what string to pass.
3112 (scan_prog_file): Likewise.
3113 (scan_libraries): Likewise.
3115 * gcc.c: Remove vfork check on USG, we're using autoconf.
3116 Besides, no calls to vfork/fork occur in this file.
3118 * protoize.c: Likewise.
3120 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3122 * configure.in (DEFAULT_LINKER): renamed from LD
3123 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
3124 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
3125 * configure: rebuilt
3127 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3129 * BUGS: fix the regexp for `more' to find the appropriate node.
3130 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
3132 * BUGS: added link to the WWW FAQ
3134 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
3136 * version.c: Bump for snapshot.
3138 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
3140 * From Christian Gafton:
3141 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
3142 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
3143 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
3145 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
3147 * c-common.c (c_get_alias_set): Allow all type-punning through
3148 unions. Don't get confused about the type of a bit-field, despite
3149 the antics of build_modify_expr.
3151 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
3153 * fixinc.sco: Paramaterize #include_next values.
3154 * fixinc/fixinc.sco: Likewise.
3156 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
3158 * toplev.c (rest_of_compilation): No longer set reload_completed.
3159 * reload1.c (reload): Set it here. Perform instruction splitting
3160 after reload has completed if we will be running the scheduler
3163 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
3165 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
3166 EH region if exceptions are enabled and we're performing cross
3168 (find_cross_jump): Exit loop if the insns are in different EH regions.
3170 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
3172 * dwarf2out.c (output_call_frame_info): Use
3173 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
3175 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3177 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
3178 * c-common.c (check_format_info): Don't check for the 'x'
3179 format character twice, instead check for 'x' and 'X'
3181 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
3183 * configure.in (assembler features): Also make gas is configured if
3184 we find it in the souce tree.
3186 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
3188 * i386.c (i386_comp_type_attributes): Compare whether the
3189 attributes are defined, not their tree nodes.
3191 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3193 * configure.in (gxx_include_dir): bitten by autoconf quoting
3195 * configure: rebuilt
3197 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3199 * configure.in: Ignore non-absolute value in $AS.
3201 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
3203 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
3205 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
3207 * configure.in (msdosdjgpp): Set exeext and target_alias.
3209 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3211 * flow.c (XNMALLOC): New macro.
3212 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
3214 (add_edge, add_edge_to_label): New static functions.
3215 (free_bb_memory): New function.
3216 (flow_delete_insn): Delete function.
3217 (basic_block_drops_in): Delete variable.
3218 (find_basic_blocks): Allocate and initialize basic_block_head,
3219 basic_block_succ. Don't allocate basic_block_drops_in.
3220 Call free_bb_memory at the beginning.
3221 (find_basic_blocks_1): Don't do multiple passes.
3222 Delete code to compute basic_block_drops_in.
3223 After calling make_edges, mark blocks reached by current block live.
3224 Update test for unreachable live blocks.
3225 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
3227 Simplify to call add_edge_to_label when a LABEL_REF is found.
3228 (make_edges): Simplify to call add_edge_to_label instead of
3229 mark_label_ref most of the time.
3230 Compute here whether control drops into the next block.
3231 (delete_unreachable_blocks): Return void. All callers changed.
3232 Delete unreachable blocks in reverse order.
3233 After deleting all unreachable blocks, renumber the remaining ones
3234 and update n_basic_blocks.
3235 (delete_block): Speed up deletion a bit.
3236 Don't set basic_block_drops_in for deleted blocks.
3237 (free_basic_block_vars): Don't free basic_block_drops_in.
3238 (life_analysis_1): Update to use new edge representation.
3239 (dump_flow_info): Delete code to print basic block info; call
3240 dump_bb_data instead.
3241 (compute_preds_succs): Delete code to recompute basic_block_drops_in
3242 and uid_block_number.
3243 Simply copy the previously computed cfg.
3244 (dump_bb_data): New arg LIVE_INFO. All callers changed.
3245 Print register lifetime information if LIVE_INFO is nonzero.
3246 * basic-block.h (dump_bb_data): Adjust prototype.
3247 * gcse.c (gcse_main): Update call to dump_bb_data.
3248 * rtl.h (free_bb_memory): Declare.
3249 * toplev.c (rest_of_compilation): Call free_bb_memory.
3251 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
3252 (update_eliminable_offsets): Don't compute it.
3253 (set_initial_elim_offsets): Don't initialize it.
3254 Break out some code into set_initial_label_offsets so the rest of
3255 this function can be called from reload_as_needed.
3256 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
3257 ELIMINABLE_REGS isn't.
3258 (set_initial_label_offsets): New function, broken out of
3259 set_initial_elim_offsets.
3260 (set_offsets_for_label): New function, broken out of set_label_offsets
3261 and reload_as_needed.
3262 (reload): Call the two new functions.
3263 (reload_as_needed): Call set_initial_elim_offsets instead of
3264 duplicating the code. Likewise for set_offsets_for_label.
3266 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
3267 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
3268 any hard reg, reg_reloaded_dead contains valid data.
3270 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
3272 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
3273 "stdcall" and "cdecl" attributes.
3275 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
3277 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
3278 handle deleted no-op moves of hard registers.
3279 * haifa-sched.c (update_flow_info): Likewise.
3281 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
3283 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
3284 of the sequences to reload the HILO register which do not actually
3287 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
3289 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
3291 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
3293 * except.c (emit_eh_context): Make the EH context register stay alive
3294 at -O0 so stupid.c doesn't get confused.
3296 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3298 * emit-rtl.c (try_split): Do not try to split a BARRIER.
3300 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
3301 Jeffrey A Law (law@cygnus.com)
3303 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
3304 (zero_extendsidi2): Use # in output template and handle completely by
3306 (zero_extend splitters): New define_splits.
3307 (ashiftrt_32): New pattern.
3309 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3311 * tree.c (append_random_chars): New fn.
3312 (get_file_function_name_long): Use it.
3314 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
3316 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
3317 (LIBCPP_OBJS): New. Add cppulp.o.
3318 (cppmain, fix-header): Depend on and use libcpp.a.
3319 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
3320 of the individual object files.
3321 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
3324 * cccp.c (user_label_prefix): New.
3325 (main): Set it off -f*leading-underscore.
3326 (special_symbol): Use it.
3327 * cpplib.c (special_symbol): Likewise.
3328 (cpp_handle_option): Handle -f*leading-underscore.
3329 * cppulp.c: New file.
3331 * output.h (user_label_prefix): Declare it.
3332 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
3333 * toplev.c (f_options, main): Handle -f*leading-underscore.
3335 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
3336 referencing USER_LABEL_PREFIX directly.
3337 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
3338 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
3339 * final.c (asm_fprintf): Use user_label_prefix instead.
3340 * arm/thumb.c (thumb_print_operand): Likewise.
3342 * gcc.c (default_compilers): Pass -f*leading-underscore on to
3343 cpp wherever appropriate.
3345 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
3347 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
3348 specific compiler switches.
3350 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
3352 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
3355 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3357 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
3358 structure which has exactly the members provided by EXTRA_SPECS.
3359 Xmalloc() the real `extra_specs', and initialize it from this
3360 intermediate structure.
3362 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
3364 * mips.h (EXTRA_SPECS): Likewise.
3366 * sparc.h (EXTRA_SPECS): Likewise.
3368 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3370 * function.c (purge_addressof_1): Instead of aborting when a
3371 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
3372 work just put the ADDRESSOF on stack. Otherwise remember all such
3373 successfull replacements, so that exactly the same replacements
3374 can be made on the REG_NOTEs. Remove the special case for CALL
3376 (purge_addressof_replacements): New variable.
3377 (purge_addressof): Clear it at end.
3379 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3381 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
3382 (lang_init): Call check_newline always.
3383 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
3384 cpp_start_read, set yy_cur and yy_lim to read from
3385 parse_in.token_buffer, so that we'll see the first #line
3387 * cpplib.c (cpp_start_read): finclude the main input file
3388 before processing -include/-imacros. Process -imacros and
3389 -include separately, and handle -include by stacking a
3390 buffer for the file in question as if it'd been #included.
3391 * toplev.c (documented_lang_options) Recognize -H when
3394 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3396 * cpplib.c: Merge do_once into do_pragma. Break file handling
3397 code out of do_include.
3398 Move append_include_chain, deps_output,
3399 file_cleanup, redundant_include_p, import_hash,
3400 lookup_import, add_import, read_filename_string, read_name_map,
3401 open_include_file, finclude, safe_read to cppfiles.c.
3402 Move prototypes for deps_output, append_include_chain,
3403 finclude to cpplib.h. Move definition of struct
3404 file_name_list there also.
3406 * cppfiles.c: New file. Contains all the above functions
3407 broken out of cpplib.c; also hack_vms_include_specification
3408 from cccp.c and find_include_file, a new function broken out of
3411 * Makefile.in (cppmain): Depend on cppfiles.o.
3412 (fix-header): Likewise.
3413 (cppfiles.o): New target.
3414 * configure.in (--enable-c-cpplib): Add cppfiles.o to
3415 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
3417 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
3419 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
3420 if pending_types is non-zero.
3421 (dwarfout_finish): Verify pending_types is zero before finishing.
3423 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
3425 * expr.c (convert_move): Use shifts to perform the move if a
3426 suitable extend pattern cannot be found. Code written by
3427 Richard Henderson <rth@cygnus.com>.
3429 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3431 * regclass.c (renumber, regno_allocated): New static variables, moved
3432 out of allocate_reg_info.
3433 (allocate_reg_info): Move these two variables outside the function.
3434 Move code to free memory into new function free_reg_info.
3435 (free_reg_info): New function, broken out of allocate_reg_info.
3436 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
3437 * rtl.h (allocate_reg_info): Don't declare.
3438 (free_reg_info): Declare.
3440 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
3442 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
3444 * toplev.c (compile_file): Temporarily revert last change.
3446 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3448 * c-typeck.c (convert_for_assignment): Parenthesize.
3450 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3452 * reload1.c (delete_output_reload): Avoid ambigous else.
3454 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
3456 * toplev.c (compile_file): Call allocate_reg_info to free register
3458 * rtl.h (allocate_reg_info): Declare.
3460 * PROJECTS: Remove entry for local spilling.
3462 * final.c (cleanup_subreg_operands): New function.
3463 (final_scan_insn): Use it.
3464 (alter_subreg): Clear the "used" field when we turn a SUBREG into
3466 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
3467 operands when reload has finished.
3468 * reload.h (cleanup_subreg_operands): Declare..
3469 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
3470 reload. Handled in reload itself.
3472 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3474 * reload1.c (verify_initial_offsets): New function.
3475 (reload): Call it after reload_as_needed. Also verify that the frame
3476 size stays constant during reload_as_needed.
3477 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
3479 * reload.h (struct insn_chain): Add need_operand_change element.
3480 * reload1.c (new_insn_chain): Clear it.
3481 (calculate_needs_all_insns): Set it; don't overload need_reload.
3482 (reload_as_needed): Use it.
3484 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
3485 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
3486 and reload_address_index_reg_class.
3487 (find_reloads_address_1): Likewise.
3488 * reload.h (reload_address_base_reg_class,
3489 reload_address_index_reg_class): Don't declare.
3490 * reload1.c (reg_old_renumber, pseudo_previous_regs,
3491 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
3492 (used_spill_regs): Now static.
3493 (reload_address_base_reg_class, reload_address_index_reg_class,
3494 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
3495 basic_block_needs, max_needs, group_size, group_mode, max_groups,
3496 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
3499 (init_reload): Delete code to compute base/index reg classes.
3500 (reload): Delete variable J.
3501 Delete code to manage basic_block_needs.
3502 Don't compute regs_explicitly_used.
3503 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
3504 pseudo_previous_regs.
3505 Initialize bad_spill_regs_global.
3506 Don't call order_regs_for_reload here.
3507 Don't initialize spill_reg_order and n_spills.
3508 Don't forbid explicitly used regs to be used for spill regs.
3509 Change main loop to infinite loop, with explicit break statements.
3510 Make SOMETHING_CHANGED variable local to that loop.
3511 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
3512 max_groups_insn, max_nongroups_insn, group_size, group_mode.
3513 Make sure spilled_speudos is cleared before calling spill_hard_reg or
3515 Don't call dump_needs.
3516 Delete code to reset potential_reload_regs.
3517 Delete code to terminate loop conditional on the global needs variables
3518 showing no further needs.
3519 (calculate_needs_all_insns): Return void. All callers changed.
3520 Initialize somehing_needs_elimination here, not in reload.
3521 Delete avoid_return_reg kludge.
3522 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
3523 All callers changed.
3524 Initialize the group_mode and group_size elements of the arg CHAIN.
3525 Delete code to manage basic_block_needs.
3526 Operate on elements of CHAIN instead of global variables.
3527 Delete avoid_return_reg kludge.
3528 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
3529 All callers changed.
3530 Operate on elements of CHAIN instead of global variables.
3531 Delete special SMALL_REGISTER_CLASSES code.
3532 Delete spill_failure code; now in new_spill_reg.
3533 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
3534 All callers changed.
3535 Operate on elements of CHAIN instead of global variables.
3536 (maybe_mark_pseudo_spilled): New static function.
3537 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
3538 All callers changed.
3539 Operate on elements of CHAIN instead of global variables.
3540 Call order_regs_for_reload here, not in reload.
3541 Initialize spill_reg_order and n_spills.
3542 Simplify test whether an asm insn is involved.
3543 Delete spill_failure code; now in new_spill_reg.
3544 Call maybe_mark_pseudo_spilled for everything marked as live in
3545 CHAIN. Merge CHAIN's used_spill_regs into the global variable
3547 (dump_needs): Take CHAIN arg. No longer static, to prevent the
3548 compiler from optimizing this function (now unused) away.
3549 Operate on elements of CHAIN instead of global variables.
3550 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
3552 Operate on elements of CHAIN instead of global variables.
3553 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
3554 take CHAIN arg. All callers changed.
3555 Operate on elements of CHAIN instead of global variables.
3556 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
3557 CHAIN, NONGROUP args. Return void. All callers changed.
3558 Verify caller isn't trying to spill a pseudo.
3559 Simplify test for illegal reg, just use bad_spill_regs.
3560 Generate better error messages.
3561 Operate on elements of CHAIN instead of global variables.
3562 Mark spilled register in CHAIN's used_spill_regs element.
3563 Don't call spill_hard_reg.
3564 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
3565 Mark spilled hard regs in bad_spill_regs_global.
3566 Mark affected pseudos in spilled_pseudos, but don't spill them.
3567 (ior_hard_reg_set): New static function.
3568 (finish_spills): Return int. All callers changed.
3569 Compute spill_reg_order, n_spills and spill_regs here. Also update
3570 regs_ever_live for regs used as spills.
3571 For every pseudo in spilled_pseudos, spill it and mark the previous
3572 hard reg it had in pseudo_previous_regs. Compute which hard regs
3573 arseudo): New static function.
3574 (order_regs_for_reload): Take CHAIN arg. All callers changed.
3575 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
3576 hard registers explicitly used across the current insn into the set.
3577 Compute hard_reg_n_uses taking only pseudos live across this insn
3579 Tweak sorting of potential_reload_regs.
3580 (compare_spill_regs): Delete function.
3581 (reload_as_needed): Don't sort the spill_regs array, it's computed
3582 in proper order in finish_spills.
3583 Delete avoid_return_reg kludge.
3584 Delete code to manage basic_block_needs.
3585 (allocate_reload_reg): Minor speed/readability tweaks.
3586 Operate on elements of CHAIN instead of global variables.
3587 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
3588 Delete avoid_return_reg kludge.
3589 Initialize reload_reg_used from CHAIN's used_spill_regs element.
3590 Delete unused label FAIL.
3591 (reload_combine): Replce reload_address_index_reg_class with
3593 Don't use used_spill_regs to determine information about lifetime of
3596 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
3598 * toplev.c (display_help): Ignore empty target specific
3599 options, and if -W is also specified on the command line then
3600 display undocumented options.
3602 * config/arm/arm.c: Updated with changes in devo sources.
3603 * config/arm/arm.h: Updated with changes in devo sources.
3604 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
3605 * config/arm/lib1thumb.asm: Add ELF support.
3607 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
3609 * collect2.c (aix64_flag): New variable.
3610 (main, case 'b'): Parse it.
3611 (GCC_CHECK_HDR): object magic number must match mode.
3612 (scan_prog_file): Only check for shared object if valid header.
3613 Print debugging if header/mode mismatch.
3615 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
3617 Added support for arm-elf-linux configuration, submitted by Philip
3618 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
3619 code developed by Catherine Moore <clm@cygnus.com>. The following
3622 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
3625 * configure: Regenerated.
3627 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
3628 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
3629 definitions conditional on their not having been already defined.
3631 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
3632 and .type directives, and add "(PLT)" qualification to function
3635 * config/arm/linux.h: Deleted. This file is now superceeded by
3636 either linux-elf.h or linux-aout.h.
3638 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
3639 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
3641 Move definitions from old linux.h file here.
3643 * config/arm/elf.h: New file. Generic ARM/ELF support.
3645 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
3647 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
3649 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
3650 using the 26bit APCS.
3652 * config/arm/unknown-elf.h: New file. Support for OS'es other
3653 than Linux with ELF.
3655 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
3658 * config/arm/coff.h: Include aout.h for basic assembler macros.
3659 Add support for -mstructure_size_boundary=<n> command line option.
3661 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
3662 command line option. Make macro definitions conditional on their
3663 not having been already defined.
3665 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
3666 command line option.
3669 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
3671 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
3672 has been changed to not include a newline. Use this macro instead.
3673 (output_enumeral_list, const_value_attribute, name_attribute,
3674 comp_dir_attribute, prototyped_attribute, producer_attribute,
3675 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
3676 dwarfout_file_scope_decl, generate_new_sfname_entry,
3677 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
3678 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
3680 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
3682 * combine.c (subst): Process the inputs to a parallel asm_operands
3685 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
3687 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
3689 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
3691 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
3693 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
3695 * version.c: Bump for snapshot.
3697 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
3699 * stmt.c (expand_fixup): Set fixup->before_jump to a
3700 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
3702 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3704 * Makefile.in (recog.o): Depend on toplev.h.
3705 (insn-emit.o): Depend on recog.h.
3706 (insn-peep.o): Depend on recog.h and insn-config.h.
3708 * combine.c (simplify_set): Remove unused variable `scratches'.
3710 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
3711 and `idx' in macro conditional controlling their use.
3713 * genemit.c (main): Make the generated output file include
3714 recog.h. Don't have it declare `insn_operand_constraint', since
3715 we get it from recog.h.
3717 * genpeep.c (main): Make the generated output file include
3718 insn-config.h and recog.h.
3720 * recog.c: Include toplev.h.
3721 (extract_insn): Remove unused variable `p'.
3723 * regclass.c (fix_register): Add missing braces around initializer
3725 (allocate_reg_info): Move variable `i' into the scope where it is
3726 used. Change its type to `size_t'.
3728 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3730 * reload.c (push_reload): When merging reloads, make sure
3731 that reload_in_reg and reload_in are from the same reload in
3734 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
3736 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
3737 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
3739 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
3741 * loop.c (loop_has_tablejump): New variable.
3742 (prescan_loop): Scan for it.
3743 (insert_bct): Replace explicit scan with use of it.
3744 * regclass.c (regclass): Restore loop variable j.
3745 (record_reg_classes): Deterine op_types modifiers and initialize
3746 classes[i] before matching constraints. Handle matching
3749 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
3751 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
3754 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3756 * mips.h (EXTRA_SPECS): Add missing initializers.
3758 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3760 * sparc.h (EXTRA_SPECS): Add missing initializers.
3761 (sparc_defer_case_vector): Provide a prototype.
3763 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
3764 comparing it to the result of a pointer subtraction.
3766 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3768 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
3769 the argument to (unsigned char).
3771 * alpha.h (EXTRA_SPECS): Add missing initializers.
3772 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
3775 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
3777 * flow.c (life_analysis_1): Enable "rescan" code after reload.
3778 (propagate_block): Delete dead code after reload.
3780 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
3781 back Oct 15, 1998 change.
3782 * haifa-sched.c (update_flow_info): Likewise.
3783 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
3785 * mn10200.md (truncated shift): Accept constant inputs too.
3787 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
3789 * machmode.h (mode_mask_array): No longer const.
3790 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
3792 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3794 * frame.c: Somewhat explain `FDE'.
3795 Suggested by Brendan Kehoe
3797 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
3799 * expr.c (pending_chain): Move up.
3800 (save_expr_status): Do save pending_chain.
3801 (restore_expr_status): And restore it.
3802 * function.h (struct function): Add pending_chain.
3804 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3806 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
3807 did not match the code.
3809 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3811 * regclass.c (regclass): Break out some code into new function
3812 scan_one_insn, and into regclass_init.
3813 (init_cost): New static variable, moved out of regclass.
3814 (regclass_init): Initialize it here, not in .
3815 (scan_one_insn): New static function, broken out of regclass.
3816 * recog.c (apply_change_group): Break out some code into new
3817 function insn_invalid_p.
3818 (insn_invalid_p): New static fn, broken out of apply_change_group.
3820 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
3822 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
3823 reg_reloaded_contents matches incremented pseudo.
3825 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
3827 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3829 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
3830 addressing modes with side effects. These are currently
3831 placeholders for the C4x target.
3833 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3835 * loop.c (express_from): Make sure that when generating a PLUS of
3836 a PLUS, any constant expression appears on the outermost PLUS.
3838 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
3840 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
3841 works if "$(srcdir)" != ".".
3843 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
3845 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
3846 existing SUBREG if we can, otherwise abort.
3848 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
3850 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
3851 `restrict' is applied to a non-pointer variable.
3853 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
3855 * invoke.texi: Document -flang-isoc9x.
3857 * Makefile.in (OBJS): Add splay-tree.o.
3858 (c-common.o): Depend on rtl.h.
3859 (splay-tree.o): List dependencies and provide build rule.
3861 * rtl.h (record_alias_subset): New function.
3862 * alias.c: Include splay-tree.h.
3863 (alias_set_entry): New type.
3864 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
3865 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
3866 (mems_in_disjoin_alias_sets_p): New function.
3867 (alias_set_compare): Likewise.
3868 (insert_subset_children): Likewise.
3869 (get_alias_set_entry): Likewise.
3871 * tree.h (TYPE_RESTRICT): New macro.
3872 (TYPE_UNQUALIFIED): New manifest constant.
3873 (TYPE_QUAL_CONST): Likewise
3874 (TYPE_QUAL_VOLATILE): Likewise.
3875 (TYPE_QUAL_RESTRICT): Likewise.
3876 (tree_type): Add restrict_flag. Reduce count of free bits.
3877 (DECL_POINTER_ALIAS_SET): New macro.
3878 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
3879 (tree_decl): Add pointer_alias_set.
3880 (build_qualified_type): New function.
3881 (build_type_variant): Define in terms of build_qualified_type.
3882 * tree.c (set_type_quals): New function.
3883 (make_node): Initializae DECL_POINTER_ALIAS_SET.
3884 (build_type_attribute_variant): Use build_qualified_type and
3886 (build_type_variant): Rename, and modify, to become...
3887 (build_qualified_type): New function.
3888 (build_complex_type): Use set_type_quals.
3890 * c-tree.h (C_TYPE_OBJECT_P): New macro.
3891 (C_TYPE_FUNCTION_P): Likewise.
3892 (C_TYPE_INCOMPLETE_P): Likewise.
3893 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
3894 (c_apply_type_quals_to_decl): New function.
3895 (c_build_qualified_type): New function.
3896 (c_build_type_variant): Define in terms of c_build_qualified_type.
3897 (flag_isoc9x): Declare.
3898 * c-typeck.c (qualify_type): Use c_build_qualified_type.
3899 (common_type): Change to use TYPE_QUALS.
3900 (comptypes): Likewise.
3901 (convert_for_assignment): Likewise.
3902 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
3903 * c-decl.c (flag_isoc9x): Define.
3904 (c_decode_option): Handle -flang-isoc9x.
3905 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
3906 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
3907 * c-lex.c (init_lex): Deal with restrict.
3908 (init_lex): Don't treat restrict as a reserved word in
3909 -traditional mode, or without -flang-isoc9x.
3910 * c-lex.h (rid): Add RID_RESTRICT.
3911 * c-parse.gperf (restrict, __restrict, __restrict__): Make
3912 equivalent to RID_RESTRICT.
3913 * c-parse.in (TYPE_QUAL): Update comment.
3914 * c-common.c: Include rtl.h.
3915 (c_find_base_decl): New function.
3916 (c_build_type_variant): Rename, and modify, to become ...
3917 (c_build_qualified_type): New function.
3918 (c_apply_type_quals_to_decl): Likewise.
3919 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
3920 a particular alias set for the reference.
3921 * toplev.c (documented_lang_options): Add -flang-isoc9x.
3923 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
3925 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
3926 command line switches.
3928 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
3930 * reload.c (loc_mentioned_in_p): Add missing braces to bind
3933 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
3935 * gcc.c (option_map): Added --classpath and --CLASSPATH.
3937 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
3939 * regclass.c (fix_register): Add error message.
3940 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
3943 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3945 * c-decl.c (warn_missing_noreturn): New global variable.
3946 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
3947 (finish_function): Implement missing noreturn warning.
3949 * c-tree.h (warn_missing_noreturn): Declare extern.
3951 * invoke.texi: Document new flags.
3953 * toplev.c (documented_lang_options): Add description.
3955 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3957 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
3958 loop optimization stable for the C4x.
3959 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
3960 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
3961 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
3963 (c4x_address_conflict): Be more paranoid when packing a volatile
3964 memref in a parallel load/store.
3966 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3968 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
3969 repeat_block_filler): Deleted.
3970 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
3971 Condition code not set if destination register from 'c' class.
3972 (*subbqi3_carry_clobber): Fix typo.
3974 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3976 * reorg.c (steal_delay_list_from_target) Check for insns that
3977 modify the condition codes and effect the direction of the jump
3980 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3982 * function.c (purge_addressof_1): Replace call to
3983 emit_insns_before() with emit_insn_before().
3985 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
3987 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
3989 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3991 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
3993 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3995 * gcse.c (compute_hash_table): Correctly identify hard regs which are
3996 clobbered across calls.
3998 * loop.c (scan_loop): Be more selective about what invariants are
3999 moved out of a loop.
4001 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
4003 * version.c: Bump for snapshot.
4005 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
4007 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
4008 static eh_context structure.
4010 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4012 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
4014 (try_combine): Don't update max_scratch.
4015 * flow.c (max_scratch, num_scratch): Delete variables.
4016 (life_analysis_1): Don't initialize max_scratch.
4017 (propagate_block): Don't update max_scratch.
4018 (mark_set_1): Don't increment num_scratch.
4019 * regs.h (max_scratch): Delete declaration.
4021 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
4023 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
4024 is nonzero. This is temporary!
4026 * sched.c (update_flow_info): Handle death notes made invalid by
4027 instruction splitting. Partially reverts Oct 15, 1998 patch.
4028 * haifa-sched.c (update_flow_info): Likewise.
4030 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
4032 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
4033 if it has a nonzero DECL_INITIAL.
4035 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4037 * Makefile.in (flow.o): Depend on recog.h.
4039 * cpplib.h (directive_table): Add missing initializiers.
4040 (finclude): Change type of variable `bsize' to size_t.
4042 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
4044 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
4046 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
4047 `int' when comparing against one.
4048 (cpp_file_line_for_message): Mark parameter `pfile' with
4050 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
4052 * flow.c: Include recog.h.
4053 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
4055 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
4056 `f' with ATTRIBUTE_UNUSED.
4057 (reposition_prologue_and_epilogue_notes): Likewise.
4059 * genopinit.c (gen_insn): Cast argument of ctype functions to
4062 * haifa-sched.c: Include recog.h.
4063 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
4064 comparing against one.
4066 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
4068 * mips-tfile.c (parse_end): Cast the argument of ctype function to
4070 (parse_ent): Likewise.
4071 (parse_input): Likewise.
4073 * optabs.c (init_libfuncs): Likewise.
4075 * protoize.c (find_rightmost_formals_list): Likewise.
4077 * recog.h (const_double_operand): Fix typo in prototype.
4079 * tlink.c (scan_linker_output): Cast the argument of ctype
4080 function to `unsigned char'.
4082 * toplev.c (check_lang_option): Cast the result of `strlen' to
4083 `int' when comparing against one.
4085 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
4087 * gcse.c (dump_cuid_table): Correct typo.
4089 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
4091 * toplev.c (display_help): Prepend '-m' to target specific
4093 (check_lang_option): Ignore text after end of first word of a
4094 language specific option.
4096 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4098 * reload1.c (reg_used_by_pseudo): New static variable.
4099 (choose_reload_regs): Initialize it.
4100 Use it instead of testing spill_reg_order to determine whether a
4101 pseudo is live in a hard register across the current insn.
4102 Fix a typo in a reference to reload_reg_rtx.
4104 * flow.c (propagate_block): Replace code that computes and uses
4105 regs_sometimes_live with simpler code that just walks the set of
4106 currently live registers.
4108 * Makefile.in (insn-extract.o): Fix dependencies.
4109 * genextract.c (main): Generate includes for insn-config.h and
4111 Delete generation of declarations which are now in recog.h.
4112 * genrecog.c (main): Delete generation of definitions which are
4114 * local-alloc.c (block_alloc): Use extract_insn and the variables
4115 it sets up instead of looking up values by insn_code.
4116 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
4117 recog_dup_num): Define here instead of generating the definition in
4119 (recog_n_operands, recog_n_dups, recog_n_alternatives,
4120 recog_operand_mode, recog_constraints, recog_operand_address_p):
4122 (extract_insn): New function.
4123 * recog.h (extract_insn): Declare function.
4124 (which_alternative, recog_n_operands, recog_n_dups,
4125 recog_n_alternatives, recog_operand_mode, recog_constraints,
4126 recog_operand_address_p): Declare variables.
4127 * regclass.c (n_occurrences): New static function.
4128 * reload.c (n_occurrences): Delete function.
4129 (find_reloads): Use extract_insn.
4130 * reload.h (n_occurrences): Delete declaration.
4132 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
4134 * reload1.c (reload_as_needed): Fix test for when to call
4135 update_eliminable_offsets.
4137 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4139 Fix consistency problems with reg_equiv_{mem,address};
4140 Improve reload inheritance;
4142 * reload.c (reload_out_reg): New variable.
4143 (loc_mentioned_in_p, remove_address_replacements): New functions.
4144 (remove_replacements): Deleted.
4145 (push_reload): Set reload_out_reg[i].
4146 When merging, also set reload_{in,out}_reg[i], and remove
4147 duplicate address reloads.
4148 (combine_reloads): Copy reload_out_reg[i].
4149 (find_reloads): Do make_memloc substitution also when
4150 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
4152 Include *recog_operand_loc in commutativity operand changes.
4153 Generate optional output reloads.
4154 Delete reference to n_memlocs. Don't set *recog_operand_loc before
4155 processing operands. Call make_memloc in reg_equiv_address code.
4156 Set *recog_operand_loc only after processing operands, and only
4157 if replace is true. Return a value.
4158 When changing address reload types for operands that didn't get
4159 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
4160 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
4161 Don't emit USEs for pseudo SUBREGs when not replacing.
4162 (find_reloads_address): Do make_memloc substitution also when
4163 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
4165 (find_reloads_toplev): Likewise.
4166 Call make_memloc in reg_equiv_address code.
4167 (debug_reload_to_stream): Add code to output reload_out_reg.
4168 (make_memloc): Delete local variable i, ifdefed out code, and
4169 references to memlocs and n_memlocs.
4170 (memlocs, n_memlocs): Delete.
4171 (push_secondary_reload): Clear reload_out_reg.
4172 (find_reloads_address_1): Provide memrefloc argument to all calls
4173 to find_reloads_address.
4174 In AUTO_INC code, handle non-directly addressable equivalences properly.
4175 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
4176 (find_reloads): Add return type.
4177 (remove_address_replacements, deallocate_reload_reg): Declare.
4178 * reload1.c (num_not_at_initial_offset): No longer static.
4179 (delete_address_reloads, delete_address_reloads_1): Likewise.
4180 (deallocate_reload_reg): New function.
4181 (spill_reg_stored_to): New array.
4182 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
4183 (eliminate_regs_in_insn): Move assignments of previous_offset and
4184 max_offset fields, and recalculation of num_not_at_initial_offset
4185 into new static function:
4186 (update_eliminable_offsets) .
4187 (reload_as_needed): Call update_eliminable_offsetss after calling
4189 Call forget_old_reloads_1 with contents of reloaded auto_inc
4190 expressions if the actual addressing can't be changed to match the
4192 (choose_reload_regs): For inheritance, replace
4193 reload_reg_free_before_p test with reload_reg_used_at_all test, and
4194 remove stand-alone reload_reg_used_at_all test.
4195 Use reload_out_reg to determine which reload regs have output reloads.
4196 Treat reload_override_in more similar to inherited reloads.
4197 Handle (subreg (reg... for inheritance.
4198 For flag_expensive_optimizations, add an extra pass to remove
4199 unnecessary reloads from known working inheritance.
4200 Delete obsolete code for pseudos replaced with MEMs.
4201 Handle inheritance from auto_inc expressions.
4202 (emit_reload_insns): If reload_in is a MEM, set OLD to
4204 Don't reload directly from oldequiv; if it's a pseudo with a
4205 stack slot, use reload_in[j].
4206 Check that reload_in_reg[j] is a MEM before replacing reload_in
4207 from reg_reloaded_contents.
4208 Include non-spill registers in reload inheritance processing.
4209 Also try to use reload_out_reg to set spill_reg_store /
4210 reg_last_reload_reg.
4211 In code to set new_spill_reg_store, use single_set to find out if
4212 there is a single set.
4213 Add code that allows to delete optional output reloads.
4214 Add code to allow deletion of output reloads that use no spill reg.
4215 At the end, set reload_override_in to oldequiv.
4216 Also call delete_output_reload if reload_out_reg is equal to old
4218 Add code to call delete_output_reload for stores with no matching load.
4219 Set / use spill_reg_stored_to.
4220 Handle case where secondary output reload uses a temporary, but
4221 actual store isn't found.
4222 When looking for a store of a value not loaded in order to call
4223 delete_output_reload, count_occurences should return 0 for no
4224 loads; but discount inherited input reloadill_reg_stored_to.
4225 Do checks for extra uses of REG. Changed all
4227 Use delete_address_reloads.
4228 (reload): Take return value of find_reloads into account.
4229 If a no-op set needs more than one reload, delete it.
4230 (reload_reg_free_before_p): RELOAD_FOR_INPUT
4231 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
4232 for the same operand.
4233 (clear_reload_reg_in_use): Check for other reloads that keep a
4235 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
4236 RELOAD_FOR_OPADDR_ADDR.
4237 Take into account when an address address reload is only needed
4238 for the address reload we are considering.
4239 (count_occurrences): Use rtx_equal_p for MEMs.
4240 (inc_for_reload): Return instruction that stores into RELOADREG.
4241 New argument two, IN, and rtx. Changed all callers.
4242 (calculate_needs_all_insns, reload_as_needed):
4243 Don't clear after_call for a CLOBBER.
4244 Keep track of how many hard registers need to be copied from
4245 after_call, and don't clear after_call before we have seen
4246 that much copies, or we see a different instruction.
4248 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
4250 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
4251 after reload has completed.
4253 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
4255 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
4256 a macro name and the next token with a single blank if that whitespace
4257 is in a macro buffer and the next token is not '('.
4259 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
4261 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
4263 (skip_if_group): Ditto.
4264 (skip_to_end_of_comment): Ditto.
4266 (discard_comments): Ditto.
4267 (change_newlines): Ditto.
4269 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
4271 * c-lex.c (yylex): Fix unaligned access of wchar_t.
4273 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
4275 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
4276 (TARGET_OPTIONS): Add --help documentation.
4278 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4280 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
4282 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
4284 * fixinc/* Moved in from ../contrib directory in preparation
4285 for integrating it into the normal build process. In particular,
4286 fixinc/Makefile.in must be config-ed into the build directory
4287 as fixinc/Makefile. Proposed patches to ./Makefile.in and
4288 ./configure.in will be "in the mail" momentarily.
4290 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
4292 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
4293 accidently walk into the free list. Comment how that can happen.
4294 (invalidate): Fix indentation.
4296 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4297 Jeffrey A Law (law@cygnus.com)
4299 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
4300 reload. Never perform rescans of the insn chain after reload.
4301 (propagate_block): Do not delete insn or create new autoinc addressing
4304 * jump.c (jump_optimize): Unconditionally use the code that was
4305 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
4306 * reload1.c (reload): When reloading is finished, delete all
4307 REG_DEAD and REG_UNUSED notes.
4308 (emit_reload_insns): Delete all code that was conditional on
4309 PRESERVE_DEATH_INFO_REGNO_P.
4310 (no_longer_dead_regs): Delete variable.
4311 (reload_cse_delete_death_notes): Delete function.
4312 (reload_cse_no_longer_dead): Delete function.
4313 (reload_cse_regs_1): Delete all code to handle deletion of death
4315 (reload_cse_noop_set_p): Likewise.
4316 (reload_cse_simplify_set): Likewise.
4317 (reload_cse_simplify_operands): Likewise.
4318 (reload_cse_move2add): Likewise.
4319 * reorg.c (used_spill_regs): Delete declaration.
4320 (max_label_num_after_reload): Delete declaration.
4321 (find_dead_or_set_registers): Don't assume that spill regs are
4322 dead at a CODE_LABEL.
4323 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
4325 * sched.c (sched_analyze_insn): Likewise.
4326 (update_flow_info): Likewise.
4327 * haifa-sched.c (sched_analyze_insn): Likewise.
4328 (update_flow_info): Likewise.
4329 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
4330 * toplev.c (max_label_num_after_reload): Delete variable.
4331 (rest_of_compilation): Don't set max_label_num_after_reload.
4332 Call life_analysis after reload_cse_regs if optimizing.
4333 * config/gmicro/gmicro.h: Delete comment referring to
4334 PRESERVE_DEATH_INFO_REGNO_P.
4335 * config/i386/i386.h: Likewise.
4336 * config/m88k/m88k.h: Likewise.
4337 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
4338 * config/sh/sh.h: Likewise.
4340 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
4342 * loop.c (strength_reduce): Restore marking bct_p as
4344 * rs6000.c (optimization_options): Change #ifdef HAIFA to
4345 HAVE_decrement_and_branch_on_count.
4346 (small_data_operand): Remove TARGET_ELF condition for marking
4347 parameters ATTRIBUTE_UNUSED.
4349 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
4351 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
4352 (SELECT_SECTION): Resync with svr4.h.
4354 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
4356 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
4359 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
4361 * c-pragma.c (handle_pragma_token): Test for null tree before
4362 dereferencing TREE_CODE.
4364 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4366 * config/c4x/c4x.c: Convert to use GEN_INT.
4367 (c4x_parallel_process): Rework to handle new repeat loop structure.
4369 * config/c4x/c4x.md: Convert to use GEN_INT.
4370 (rptb_end): Convert to use GE test. Replace uses with clobbers.
4371 (decrement_and_branch_on_count): Likewise.
4373 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
4374 loop.c has the desired functionality.
4375 (rc_reg_operand): New prototype.
4377 * config/c4x/t-c4x: Can now build all front ends.
4379 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
4381 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
4383 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
4385 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
4386 * config/t-rtems: Do not install assert.h -- use newlib's.
4388 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4390 * combine.c (combine_instructions): When finished, call init_recog.
4391 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
4393 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
4395 * toplev.c: If flag_syntax_only, don't open or write assembler file.
4397 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4399 * cppalloc.c (memory_full): Mark function prototype with
4402 * demangle.h (collect_exit): Likewise.
4404 * fix-header.c (v_fatal, fatal): Likewise.
4406 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
4409 * gcov.c (print_usage): Likewise.
4411 * genattr.c (fatal, fancy_abort): Likewise.
4413 * genattrtab.c (fatal, fancy_abort): Likewise.
4415 * gencodes.c (fatal, fancy_abort): Likewise.
4417 * genconfig.c (fatal, fancy_abort): Likewise.
4419 * genemit.c (fatal, fancy_abort): Likewise.
4421 * genextract.c (fatal, fancy_abort): Likewise.
4423 * genflags.c (fatal, fancy_abort): Likewise.
4425 * genopinit.c (fatal, fancy_abort): Likewise.
4427 * genoutput.c (fatal, fancy_abort): Likewise.
4429 * genpeep.c (fatal, fancy_abort): Likewise.
4431 * genrecog.c (fatal, fancy_abort): Likewise.
4433 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
4434 __sjpopnthrow, __throw): Likewise.
4436 * objc/objc-act.c (objc_fatal): Likewise.
4438 * protoize.c (usage, aux_info_corrupted,
4439 declare_source_confusing): Likewise.
4441 * rtl.c (dump_and_abort): Likewise.
4443 * rtl.h (sets_cc0_p): Likewise.
4445 * toplev.c (float_signal, pipe_closed): Likewise.
4447 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4449 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
4450 when generating the decision tree for the general case.
4452 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
4453 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
4455 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4457 * Makefile.in (sched.o): Depend on recog.h.
4459 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
4460 (unsigned) when comparing against one.
4461 (find_base_value): Likewise.
4462 (record_base_value): Cast variable `regno' to (unsigned) when
4463 comparing against one. Cast the result of REGNO() macro to
4464 (unsigned) when comparing against one.
4465 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
4467 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
4468 variable where an unsigned index is needed.
4470 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
4471 before comparing against one.
4473 * collect2.c: Add prototypes for functions `error', `fatal' and
4474 `fatal_perror'. Make these functions take variable arguments
4475 instead of faking it with a fixed number of args.
4476 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
4479 * combine.c (can_combine_p): Mark parameter `pred' with
4481 (find_split_point): Cast variable `src' to (unsigned
4482 HOST_WIDE_INT) when comparing against one.
4483 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
4484 (simplify_logical): Likewise.
4485 (force_to_mode): Cast result of INTVAL() macro to (unsigned
4486 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
4487 HOST_WIDE_INT) in shift.
4488 (simplify_and_const_int): Cast result of INTVAL() macro to
4489 `unsigned HOST_WIDE_INT' when comparing against one.
4490 (merge_outer_ops): Cast variable const0 to `unsigned
4491 HOST_WIDE_INT' when comparing against the result of
4492 GET_MODE_MASK() macro.
4493 (simplify_comparison): Likewise for variable `c0'. Cast variable
4494 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
4495 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
4496 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
4497 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
4498 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
4499 comparing against one.
4500 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
4502 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
4503 macro to `unsigned HOST_WIDE_INT' when comparing against one.
4504 (output_block_move): Cast `sizeof' expression to (int) when
4505 comparing against one.
4506 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
4508 (save_restore_insns): Cast `base_offset' to `long' to match format
4509 specifier in fprintf.
4511 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
4512 to `enum machine_mode'.
4514 * flow.c (life_analysis_1): Remove unused variable `insn'.
4516 * gcc.c (translate_options): Move variables `j' and `k' into the
4517 scope in which they are used. Change their types to `size_t'.
4518 (set_spec): Cast the argument of ctype macro to `unsigned char'.
4519 (read_specs): Likewise.
4520 (process_command): Cast `sizeof' to (int) when comparing against one.
4521 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
4522 (handle_braces): Cast both sides of `==' expression to `long' to
4523 ensure sign matching.
4524 (main): Cast variable `i' to `int' when comparing against one.
4526 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
4527 int to size_t. Cast variable `i' to size_t when comparing against
4530 * genattrtab.c (convert_set_attr_alternative): Remove unused
4531 parameter `insn_code'. All callers changed.
4532 (convert_set_attr): Likewise.
4534 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
4535 size_t when comparing against one. Likewise for variable `len'.
4537 * global.c (global_alloc): Cast variable `max_regno' to size_t
4538 when comparing against one. Likewise for variable `max_allocno'.
4540 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
4542 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
4543 `set' with ATTRIBUTE_UNUSED.
4544 (find_free_reg): Cast `sizeof' expression to (int) when comparing
4547 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
4548 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
4549 (get_condition): Cast variable `const_val' to `unsigned
4550 HOST_WIDE_INT' when comparing against one. Cast unsigned
4551 expression to HOST_WIDE_INT when comparing against one.
4552 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
4553 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
4554 `unsigned' when comparing against one.
4556 * protoize.c (is_id_char): Change type of parameter `ch' to
4558 (munge_compile_params): Cast argument of ctype macro to (const
4560 (process_aux_info_file): Cast variable `aux_info_size' to int when
4561 comparing against one.
4562 (forward_to_next_token_char): Cast argument of ctype macro to
4563 `const unsigned char'.
4564 (edit_formals_lists): Likewise.
4565 (find_rightmost_formals_list): Likewise.
4566 (add_local_decl): Likewise.
4567 (add_global_decls): Likewise.
4568 (edit_fn_definition): Likewise.
4569 (do_cleaning): Likewise.
4570 (scan_for_missed_items): Likewise.
4571 (edit_file): Cast variable `orig_size' to (int) when comparing
4573 (main): Cast argument of ctype macro to `const unsigned char'.
4575 * recog.c (const_int_operand): Mark parameter `mode' with
4578 * regclass.c (record_reg_classes): Change type of variable `c' to
4579 `unsigned char'. Cast `char' array index to `unsigned char'.
4581 * reload.c (push_secondary_reload): Cast argument to
4582 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
4584 * reload1.c (calculate_needs): Cast `char' array index to
4586 (set_label_offsets): Change type of variable `i' to unsigned int.
4587 Cast result of XVECLEN() macro to unsigned when comparing against
4589 (mark_not_eliminable): Change type of variable `i' to unsigned.
4590 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
4591 when comparing against one.
4592 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
4593 comparing against one.
4594 (choose_reload_regs): Hide unused label `fail'.
4595 (reload_cse_simplify_operands): Cast `char' array index to
4597 (reload_combine_note_store): Mark parameter `set' with
4598 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
4600 (reload_cse_move2add): Remove unused variable `src2'.
4602 * sched.c: Include recog.h.
4603 (sched_note_set): Remove unused parameter `b'. All callers
4605 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
4606 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
4607 when comparing against one.
4609 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
4610 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
4611 comparing against one.
4613 * unroll.c (precondition_loop_p): Remove unused parameter
4614 `loop_end'. All callers changed.
4616 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4618 * reload1.c (maybe_fix_stack_asms): New static function.
4621 * reload.h (compute_use_by_pseudos): Declare.
4623 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
4624 (something_needs_reloads): Delete variable.
4625 (finish_spills): New function.
4626 (compute_use_by_pseudos): New function.
4628 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
4629 Use the reload_insn_chain instead of walking the rtl directly.
4631 (reload): Allocate and free spilled_pseudos.
4632 Ensure that all calls of spill_hard_reg are followed by a call to
4634 Use the insns_need_reload list instead of something_needs_reloads
4635 to find out if reload_as_needed must be called.
4636 Clear unused_insn_chains at the end.
4638 (calculate_needs_all_insns): Lose FIRST parameter. All callers
4640 Delete code to keep track of current basic block.
4641 Walk reload_insn_chain instead of the rtl structure. Build the
4642 insns_need_reload chain.
4643 Remember which insns need reloading/elimination by setting the
4644 appropriate fields in struct insn_chain, not by putting modes on the
4647 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
4648 arg INSN. All callers changed.
4649 Delete declaration of struct needs.
4650 Don't set something_needs_reloads.
4651 Record insn needs in the CHAIN argument.
4653 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
4655 (reload_as_needed): Lose FIRST arg. All callers changed.
4656 Walk the reload_insn_chain instead of the rtx structure.
4657 Delete code to keep track of current basic block.
4658 Rename one of the NEXT variables to OLD_NEXT.
4660 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
4662 (choose_reload_regs): Likewise.
4664 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
4667 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
4668 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
4669 (hard_regs_live, hard_regs_need_restore): Delete variables.
4670 (n_regs_saved): Now static.
4671 (referenced_regs, this_insn_sets): New variables.
4673 (setup_save_areas): Restructure the code a bit.
4675 (restore_referenced_regs): Delete function.
4676 (mark_referenced_regs): New function, similar to the old
4677 restore_referenced_regs, but mark registers in referenced_regs.
4679 (clear_reg_live): Delete function.
4680 (mark_set_regs): Renamed from set_reg_live. All callers changed.
4681 Only mark registers in this_insn_sets.
4683 (save_call_clobbered_regs): Rework this function to walk the
4684 reload_insn_chain instead of using the list of instructions directly.
4685 Delete code to keep track of register lives, compute live regs on the
4686 fly from information in the chain.
4687 Instead of calling restore_referenced_regs, use mark_referenced_regs,
4688 then walk the set it computes and call insert_restore as appropriate.
4690 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
4692 Restructure the code a bit. Test hard_regs_saved instead of
4693 hard_regs_need_restore.
4694 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
4695 args. All callers changed.
4696 Restructure the code a bit. Use TO_SAVE to determine which regs to
4697 save instead of more complicated test.
4698 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
4700 Create a new insn_chain structure for the new insn and place it
4703 * rtl.texi: Update documentation to reflect that reload no longer
4704 puts modes on the insns.
4706 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4708 * function.c (purge_addressof_1): Force the first argument of a
4709 CALL insn to memory.
4711 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
4713 * rtl.h: Delete duplicate prototypes. Add some missing
4715 * rtlanal.c: (for_each_rtx): Formatting tweak.
4717 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4719 * real.c (emdnorm and etoasc): Disable round to even for c4x target
4720 to be compatible with TI compiler.
4722 * Makefile.in (USER_H): Add va-c4x.h to definition.
4724 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
4726 * function.c (purge_addressof_1): Fix typo in inequality: do
4727 bitfield optimization for equal mode sizes.
4728 * expmed.c (store_bit_field): Don't take subregs of subregs in
4729 the movstrict case. Tidy a potential problem in the multi-word case.
4730 (extract_bit_field): Likewise.
4732 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4734 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
4736 Compute max_uid_for_flow by calling get_max_uid after the scan.
4737 (find_basic_blocks_1): Don't emit NOPs here.
4739 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
4741 * alias.c (base_alias_check): Accept new args for the modes of the
4742 two references. Use them to determine if an AND can overlap. Update
4744 (memrefs_conflict_p): Assume sizes are aligned, and uses them
4745 to determine if an AND can overlap.
4747 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
4749 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
4750 check. Add comment to document problems with TARGET_SUN_FPA version
4752 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
4754 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4756 * Makefile.in (gencheck.o): Depend on gansidecl.h.
4758 * c-common.c (print_char_table): Add missing initializers.
4759 (scan_char_table): Likewise.
4760 (time_char_table): Likewise.
4762 * c-decl.c (c_decode_option): Mark parameter `argc' with
4764 (declare_parm_level): Mark parameter `definition_flag' with
4767 * c-lex.c (readescape): Use `(unsigned)1' in shift.
4768 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
4771 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
4773 (emit_call_1): Mark parameters `fndecl' and `funtype' with
4775 (expand_call): Cast result of MIN() to (unsigned int) when
4776 comparing against an unsigned value.
4778 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
4780 (make_definition): Remove unused parameter `op'. All callers
4782 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
4783 comparing against the result of pointer arithmetic.
4785 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
4786 when comparing against one.
4788 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
4789 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
4791 (output_die): Move variable `i' into the scope in which it is
4792 used. Change its type to `unsigned'.
4793 (output_die): Cast the result of `strlen' to (int) when passing it
4794 to ASM_OUTPUT_ASCII().
4795 (output_pubnames): Likewise.
4796 (output_line_info): Likewise.
4798 * emit-rtl.c (global_rtl): Add missing initializers.
4800 * explow.c (promote_mode): Mark parameter `for_call' with
4803 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
4804 `unsigned HOST_WIDE_INT' when comparing against one.
4805 (synth_mult): Change type of variable `cost' to int.
4806 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
4808 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
4809 when comparing against one.
4810 (get_inner_reference): Change variable `alignment' to unsigned.
4811 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
4812 int) when comparing against one.
4813 (expand_builtin_setjmp): Change type of variable `i' to size_t.
4815 * fold-const.c (div_and_round_double): Cast BASE to
4816 (HOST_WIDE_INT) when comparing against one.
4818 * gencheck.c: Include gansidecl.h.
4819 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
4821 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
4822 `tcode' with ATTRIBUTE_UNUSED.
4824 * real.c (edivm): Cast constant value to (unsigned long) in
4825 expression compared against an unsigned value.
4827 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
4828 comparing against one.
4829 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
4830 when comparing against one.
4832 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
4833 (unsigned int) when comparing against one. Likewise for
4835 (smallest_mode_for_size): Likewise.
4836 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
4837 (restore_storage_status): Likewise.
4839 * toplev.c (debug_args): Add missing initializer.
4840 (f_options): Spelling correction. Add missing initializers.
4841 (documented_lang_options): Likewise.
4842 (debug_end_source_file): Mark parameter `lineno' with
4845 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
4846 `decl' and `type' with ATTRIBUTE_UNUSED.
4848 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
4849 when comparing against one.
4850 (assemble_variable): Mark parameter `top_level' with
4852 (assemble_external_libcall): Mark parameter `fun' with
4854 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
4857 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
4859 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
4860 Replace use of r5 with use of r19.
4862 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
4864 * config/v850/v850.c (compute_register_save_size): Allow for the
4865 fact that helper functions save all registers, not just those used
4868 Replace constant 31 with macro LINK_POINTER_REGNUM.
4870 * config/v850/v850.md: Use 'indirect_operand' rather than
4871 'memory_operand' for bit test/set/clear patterns.
4873 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
4875 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
4876 * varasm.c (assemble_start_function et al): Don't call
4877 ASM_GLOBALIZE_LABEL for weak symbols.
4879 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
4881 * cse.c (equiv_constant): Check for NULL return from
4882 gen_lowpart_if_possible().
4884 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
4886 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
4888 * collect2.c (main): Pass -EL/-EB through to the compiler.
4890 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4892 * expr.c (push_block): Handle targets where the stack grows
4893 to higher addresses, but args grow to lower addresses and
4894 ACCUMULATE_OUTGOING_ARGS is not defined.
4896 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
4898 * config/v850/v850.c (print_operand): Extend meaning
4899 of 'c' operands to support .vtinherit.
4901 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4903 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
4904 Added ATTRIBUTE_UNUSED to unused function arguments.
4905 (rc_reg_operand): New predicate.
4906 (c4x_rptb_insert): New function.
4907 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
4908 (c4x_optimization_options): New function.
4910 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
4911 (decrement_and_branch_on_count): New pattern.
4912 (rptb_top): Modified pattern to work with BCT optimization.
4914 * config/c4x/c4x.h (RC_REG): New register class.
4915 (rc_reg_operand): Define prototype.
4916 (IS_RC_REG): New macro.
4917 (IS_RC_OR_PSEUDO_REG): New macro.
4918 (IS_RC_OR_PSEUDO_REGNO): New macro.
4919 (OPTIMIZATION_OPTIONS): Define.
4921 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
4923 * collect2.c (extract_init_priority): No priority is 65535.
4925 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4927 * Makefile.in (build_tooldir): new variable, same as old
4928 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
4929 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
4930 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
4932 * configure.in (gxx_include_dir): set default based on unlibsubdir
4933 * Makefile.in (tooldir): ditto
4934 (cccp.o, cpplib.o): use unlibsubdir implicitly through
4935 gxx_include_dir, includedir and tooldir
4936 (protoize.o, unprotoize.o): ditto
4938 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
4940 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
4942 * config/arm/thumb.c (thumb_override_options): Add warning about
4943 PIC code not being supported just yet.
4945 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
4947 * flow.c: Update comment.
4948 (notice_stack_pointer_modification): New static function.
4949 (record_volatile_insns): Use it.
4950 (mark_regs_live_at_end): Mark the stack pointer as alive
4951 at the end of the function if current_function_sp_is_unchanging
4953 (life_analysis_1): Set current_function_sp_is_unchanging.
4954 * function.c: Define it.
4955 (init_function_start): Initialize it.
4956 * output.h: Declare it.
4957 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
4958 the stack pointer as alive at the end of the function if
4959 current_function_sp_is_unchanging is set.
4960 * i386.c (ix86_epilogue): Optimize the restoring
4961 of the stack pointer.
4963 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
4965 * version.c: Bump for snapshot.
4967 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
4969 * c-pragma.c (handle_pragma_token): If passed a token instead
4970 of a tree, use that as the pack value.
4972 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
4974 * flow.c (find_basic_blocks_1): Fix prototype.
4976 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
4978 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
4979 (struct tree_decl): New fields no_check_memory_usage.
4980 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
4981 (init_attributes): Register it as a new attribute.
4982 (decl_attributes): Set flags on functions given that attribute.
4983 * c-decl.c (duplicate_decls): Merge new attribute.
4984 * expr.h (current_function_check_memory_usage): Declare new var.
4985 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
4986 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
4987 current_function_check_memory_usage.
4988 * function.h: Add field to struct function.
4989 * function.c (current_function_check_memory_usage): Define it.
4990 (push_function_context_to, pop_function_context_from): Save and
4992 (expand_function_start): Set it, based on global flag and function
4995 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
4996 check non-automatic variables, to permit detection of writes to
4997 read-only locations in embedded systems without memory management.
4998 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
4999 when emitting chkr_set_right_libfunc call, even if the argument is
5000 BLKmode or variable-sized; don't abort.
5002 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
5003 symbols in Pmode, not VOIDmode.
5005 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5007 * cppexp.c: When forcing unsigned comparisons, cast both sides
5010 * cpphash.h: Move static declaration of hashtab[]...
5011 * cpphash.c: ...here.
5013 * cpplib.c: Cast difference of two pointers to size_t before
5014 comparing it to size_t. Cast signed to unsigned
5015 before comparing to size_t. (FIXME: struct argdata should use
5016 unsigned buffer sizes.)
5017 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
5018 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
5019 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
5020 size_t before comparison.
5022 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
5024 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
5025 (find_basic_blocks_1): Similarly.
5026 * output.h (find_basic_blocks): Fix prototype.
5027 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
5028 find_basic_blocks anymore.
5030 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
5032 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
5033 (sbitmap_free, sbitmap_vector_free): New macros.
5034 * output.h (rtl_dump_file): Declare.
5036 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
5038 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
5040 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5042 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
5044 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
5045 (divide): Remove unused variable `tmp'.
5046 (si_to_float): Cast numeric constant to (SItype) before comparing
5049 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
5051 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
5052 * gcc.c (add_preprocessor_option): Correct typo when allocating
5053 memory, sizeof() argument had one too many `*'.
5054 (add_assembler_option): Likewise.
5055 (add_linker_option): Likewise.
5056 * gcov.c (output_data): Likewise.
5057 * local-alloc.c (memref_used_between_p): Likewise.
5058 (update_equiv_regs): Likewise.
5059 * loop.c (strength_reduce): Likewise.
5060 * reg-stack.c (record_asm_reg_life): Likewise.
5061 (subst_asm_stack_reg): Likewise.
5062 * reorg.c (dbr_schedule): Likewise.
5064 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5066 * flow.c (life_analysis_1): Break out some functions.
5067 (find_basic_blocks_1): Likewise. Also move some variables out and
5069 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
5070 new static var nonlocal_label_list with it.
5071 (active_eh_region, nested_eh_region, label_value_list,
5072 nonlocal_label_list): New static variables.
5073 (make_edges, delete_unreachable_blocks, delete_block): New static
5074 functions, broken out of find_basic_blocks_1.
5075 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
5076 noop_move_p): New static functions, broken out of life_analysis_1.
5078 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
5080 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
5081 Take extra care for op0 now possibly being a subreg.
5082 (extract_bit_field): Likewise.
5083 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
5084 the reg to memory if there is no equal sized integral mode.
5085 * stor-layout.c (int_mode_for_mode): New function.
5086 * machmode.h: Prototype it.
5088 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
5090 * global.c (build_insn_chain): Verify no real insns exist past the
5091 end of the last basic block, then exit the loop.
5093 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5095 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
5097 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
5099 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
5101 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
5103 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
5105 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
5107 * flow.c (find_basic_blocks): Correctly determine when a call
5108 is within an exception region.
5110 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
5112 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
5114 * cpplib.h: Protect from multiple inclusions.
5115 * cpplib.c: Fix minor formatting problems.
5117 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
5119 * jump.c (jump_optimize): Revert accidental patch.
5121 * Makefile.in (cpplib.o): Use unlibsubdir.
5123 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
5125 * loop.c (get_condition): Allow combine when either compare is
5128 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
5130 * version.c: Bump for snapshot.
5132 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
5134 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
5135 (init_lex): Initialize ridpointers[RID_BYREF].
5136 * c-lex.h (enum rid): Add RID_BYREF.
5137 * c-parse.gperf: Add RID_BYREF as a type qualifier.
5138 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
5139 (encode_type_qualifiers): Similarly
5140 * c-gperf.h: Rebuilt.
5142 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
5144 * c-common.c (type_for_mode): Only return TItype nodes when
5145 HOST_BITS_PER_WIDE_INT is >= 64 bits.
5146 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
5147 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
5148 (init_decl_processing): Only create TItype nodes when
5149 HOST_BITS_PER_WIDE_INT is >= 64 bits.
5150 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
5151 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
5153 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5155 * stmt.c (n_occurrences): New static function.
5156 (expand_asm_operands): Verify that all constrains match in the
5157 number of alternatives.
5158 Verify that '+' or '=' are at the beginning of an output constraint.
5159 Don't allow '&' for input operands.
5160 Verify that '%' isn't written for the last operand.
5161 * reload.c (find_reloads): Abort if an asm is found with invalid
5162 constraints; all possible problems ought to be checked for earlier.
5164 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5166 * flags.h (flag_branch_on_count_reg): Always declare
5167 * toplev.c (flag_branch_on_count_reg): Likewise.
5168 * toplev.c: Fix typos.
5170 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
5173 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
5175 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
5177 (find_basic_blocks_1): Add a nop to the end of a basic block when
5178 a trailing call insn does not have abnormal control flow.
5179 * gcse.c (pre_transpout): New variable.
5180 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
5181 (compute_pre_transpout): Calculate it.
5182 (compute_pre_ppinout): Use it to eliminate impossible placements
5183 due to abnormal control flow through calls.
5184 (compute_pre_data): Call compute_pre_transpout.
5186 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5188 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
5190 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
5192 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
5193 and matching define_insns): Tack on a `use' of the table label, so
5194 flow analysis will recognize a tablejump.
5196 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
5198 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
5199 always end basic blocks for abnormal edge reasons.
5201 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
5203 * config/i386/i386.h: Remove definition of
5204 HANDLE_PRAGMA_PACK_PUSH_POP.
5206 * config/i386/go32.h: Add definition of
5207 HANDLE_PRAGMA_PACK_PUSH_POP.
5209 * config/i386/win32.h: Add definition of
5210 HANDLE_PRAGMA_PACK_PUSH_POP.
5212 * config/i386/cygwin32.h: Add definition of
5213 HANDLE_PRAGMA_PACK_PUSH_POP.
5215 * c-pragma.c (insert_pack_attributes): Do not insert
5216 attributes unless #pragma pack(push,<n>) is in effect.
5218 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
5220 * expr.c (emit_group_store): Handle a PARALLEL destination.
5222 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
5224 * gcse.c (pre_insert_insn): When a call ends a bb, insert
5225 the new insns before the argument regs are loaded.
5227 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5229 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
5230 (c-parse.gperf): Update comments describing invocation flags.
5231 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
5233 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
5235 * reload1.c (reload): Call free before clobbering the memory
5236 locations or constants pointers.
5238 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5240 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
5241 for efficiency by checking whether we need to modify the current
5242 stack permission at all.
5243 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
5244 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
5245 __enable_execute_stack libcall here too if
5246 TRANSFER_FROM_TRAMPOLINE is defined.
5247 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
5250 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
5252 * Makefile.in (DRIVER_DEFINES): Remove last change.
5254 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5256 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
5257 insns we're going to copy.
5258 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
5260 * loop.c (count_one_set): Add prototype.
5262 * caller-save.c (restore_referenced_regs): Lose mode argument.
5263 (insert_save): Lose mode argument.
5264 (insert_restore): Lose mode argument.
5265 (insert_one_insn): Lose mode argument.
5266 (save_call_clobbered_regs): Lose mode argument.
5267 (setup_save_areas): Take no argument and return void. All callers
5269 Don't verify validity of memory addresses.
5270 * reload.h (setup_save_ares): Adjust prototype.
5271 (save_call_clobbered_regs): Likewise.
5272 * reload1.c (delete_caller_save_insns): New function.
5273 (caller_save_spill_class): Delete variable.
5274 (caller_save_group_size): Delete variable.
5275 (reload): Call setup_save_areas and save_call_clobbered_regs
5276 in the main loop, before calling calculate_needs_all_insns.
5277 Don't call save_call_clobbered_regs after the loop.
5278 Call delete_caller_save_insns at the end of an iteration if
5280 Delete code to manage caller_save_spill_class.
5281 Emit the final note before setting reload_first_uid.
5282 Simplify test that determines whether reload_as_needed gets run.
5283 (calculate_needs): Delete code to manage caller_save_spill_class.
5285 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
5287 * collect2.c (main): Initialize ld_file_name.
5289 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
5291 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
5292 check for flag_function_sections.
5294 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5296 * cse.c (insert_regs): Fix bug in Sep 24 change.
5298 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5300 * flags.h (flag_dump_unnumbered): Declare.
5301 * toplev.c (flag_dump_unnumbered): Don't declare.
5302 * print-rtl.c (flags.h): Include.
5303 (print_rtl_single): Add return value.
5304 * rtl.h (print_rtl_single): Update declaration.
5305 * flow.c (flag_dump_unnumbered): Don't declare.
5306 (print_rtl_with_bb): Use return value of print_rtl_single.
5308 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5310 * loop.c (count_one_set): New static function, broken out of
5312 (count_loop_regs_set): Call it.
5313 * global.c (mark_reg_store): Handle clobbers here by not calling
5315 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
5316 is in fact a clobber.
5317 * integrate.c (process_reg_param): New function, broken out of
5318 expand_inline_function.
5319 (expand_inline_function): Call it.
5322 * i386.md (addsidi3_1): Delete unused variable temp.
5323 (addsidi3_2): Likewise.
5324 (clstrstrsi): Delete unused variable addr1.
5326 * rtl.h: Don't declare any functions also declared in recog.h.
5328 * Makefile.in (stupid.o): Update dependencies.
5329 (global.o): Likewise.
5331 * global.c: Include reload.h
5332 (reg_becomes_live): New function.
5333 (reg_dies): New function.
5334 (build_insn_chain): New function.
5335 (global_alloc): Call build_insn_chain before calling reload.
5337 * reload.h (struct needs): New structure definition.
5338 (struct insn_chain): Likewise.
5339 (reload_insn_chain): Declare variable.
5340 (new_insn_chain): Declare function.
5343 * reload1.c (reload_startobj): New variable.
5344 (reload_insn_chain): New variable.
5345 (unused_insn_chains): New variable.
5346 (new_insn_chain): New function.
5347 (init_reload): Initialize reload_startobj, not reload_firstobj.
5348 (reload): Initialize reload_firstobj.
5349 Before returning, free everything on the reload_obstack.
5351 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
5352 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
5353 current_chain): New variables.
5354 (reg_where_born): Delete variable.
5355 (REG_WHERE_BORN): New macro.
5356 (find_clobbered_regs): New function.
5357 (stupid_life_analysis): Don't allocate/free reg_where_born.
5358 Allocate and free reg_where_born_exact, reg_where_born_clobber,
5359 reg_where_dead_chain.
5360 Use REG_WHERE_BORN instead of reg_where_born.
5361 While processing the insns, build the reload_insn_chain with
5362 information about register lifetimes.
5363 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
5364 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
5366 Compute and information about birth and death of pseudo registers in
5367 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
5368 Delete code to set elements of reg_where_born.
5370 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5372 * tree.def (GOTO_EXPR): Modified documentation.
5373 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
5376 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
5378 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
5379 loop_final_value, loop_comparison_code): No longer static.
5380 (unroll_loop): Delete loop_start_value update.
5381 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
5382 loop_final_value, loop_comparison_code): Extern.
5383 (loop_start_value): Delete extern.
5384 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
5385 loop_comparison_value, loop_comparison_code): Delete.
5386 (loop_optimize): Remove initialization for deleted variables.
5387 (strength_reduce): Delete analyze_loop_iterations call. Only call
5388 insert_bct if flag_branch_count_on_reg set.
5389 (analyze_loop_iterations): Delete.
5390 (insert_bct): Remove iteration count calculation. Move checks for
5391 viable BCT optimization to here. Obtain iteration count from
5392 loop_iterations and correct for unrolling. Check for enough
5393 iteration to be beneficial. Comment out runtime iteration count
5395 (insert_bct): Print iteration count in dump file. Remove
5396 loop_var_mode and use word_mode directly.
5398 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
5399 * rs6000.c (rs6000_override_options): Use it.
5400 (optimization_options): Enable use of flag_branch_on_count_reg.
5401 * rs6000.md (define_function_unit): Describe 604e.
5403 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5405 * loop.c (move_movables): Corrected threshold calculation for
5406 moved_once registers.
5408 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5410 * loop.c (combine_givs_p): Fix test for identical givs.
5412 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
5414 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
5415 call abort if the function is already defined.
5417 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
5419 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
5420 truncation is not a no-op.
5422 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
5424 * version.c: Bump for snapshot.
5426 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
5428 * version.c: Bump for snapshot.
5430 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
5432 * expmed.c (expand_divmod): Don't widen for computing remainder
5433 if we seem to have a divmod pattern for needed mode.
5435 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5437 * cpplib.c (macroexpand): Correct off-by-one error in handling
5440 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
5442 * combine.c (expand_field_assignment): Don't do bitwise operations
5443 on MODE_FLOAT; pun to MODE_INT if possible.
5445 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
5446 scott snyder <snyder@d0sgif.fnal.gov>
5448 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
5449 linker. Recognize mangled names in quotes.
5451 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5453 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
5454 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
5455 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
5456 (lshrsi3_extend, lshrsi3_extend2): Ditto.
5458 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5460 * function.c (purge_addressof_1): If trying to take a sub-word
5461 integral piece of a floating point mode, put it on the stack.
5463 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
5465 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
5467 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
5469 * PROJECTS: Remove template friends.
5471 * collect2.c (sort_ids): Remove unused variable.
5473 * tm.texi (MATH_LIBRARY): Document.
5474 (NEED_MATH_LIBRARY): Remove.
5476 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
5477 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
5479 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
5481 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
5482 last_end to 0x7fffffff.
5484 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5486 * function.c (purge_addressof_1): Do not perform endianness
5487 corrections on bitpos, who we call will do it for us.
5489 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
5491 * h8300.c (WORD_REG_USED): Fix typo.
5492 (initial_offset): Use WORD_REG_USED.
5494 * h8300.c (handle_pragma): Fix typo.
5496 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5498 * caller-save.c (insert_save_restore): Break this function up
5499 into new functions insert_restore, insert_save and insert_one_insn.
5500 All callers changed.
5501 (insert_restore): New function, mostly broken out of
5502 insert_save_restore.
5503 (insert_save): Likewise.
5504 (insert_one_insn): Likewise.
5505 (restore_referenced_regs): New argument BLOCK. All callers changed.
5506 (save_call_clobbered_regs): Don't keep track of basic block boundaries
5507 in this function, do it in insert_one_insn instead.
5509 * reload1.c (reload): Break out some more pieces into separate
5511 (dump_needs): New function, broken out of reload.
5512 (set_initial_elim_offsets): Likewise.
5513 (init_elim_table): Likewise.
5514 (update_eliminables): Likewise.
5516 * global.c (global_alloc): Delete code to manage the scratch_list.
5517 * local-alloc.c (qty_scratch_rtx): Delete.
5518 (scratch_block): Delete.
5519 (scratch_list): Delete.
5520 (scratch_list_length): Delete.
5521 (scratch_index): Delete.
5522 (alloc_qty_for_scratch): Delete.
5523 (local-alloc): Update initialization of max_qty.
5524 Delete code to manage the scratch list.
5525 Delete code to allocate/initialize qty_scratch_rtx.
5526 (block_alloc): Don't allocate quantities for scratches.
5527 Delete code to manage the scratch list.
5528 * regs.h (scratch_list): Delete declaration.
5529 (scratch_block): Delete declaration.
5530 (scratch_list_length): Delete declaration.
5531 * reload1.c (reload): Delete code to manage the scratch list.
5532 (spill_hard_reg): Likewise.
5533 (mark_scratch_live): Delete.
5535 * recog.c (alter_subreg): Delete declaration.
5537 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
5539 * Makefile.in (cccp.o): Fix typo in last patch.
5541 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5543 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
5544 * config/sh/lib1funcs.asm (___set_fpscr): Add.
5546 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
5548 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
5549 NULL_RTX as an argument.
5551 * Makefile.in (unlibsubdir): Define.
5552 (DRIVER_DEFINES): Use unlibsubdir.
5553 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
5554 (stmp-fixinc): Similarly.
5556 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5558 * regmove.c (regmove_optimize): Add variable old_max_uid.
5559 At the end of the function, update basic_block_end.
5561 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5563 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
5564 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
5567 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
5569 * config/arm/arm.c: Improve interworking support.
5571 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5573 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
5574 copied from reload_out[r] .
5576 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
5578 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
5579 with more than three size ranges.
5581 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
5583 * rtl.c (mode_name): Add a null string at the end of the array.
5584 (mode_wider_mode): Change type to unsigned char.
5585 (mode_mask_array): New variable.
5586 (init_rtl): Update for mode_wider_mode type change.
5588 * rtl.h (mode_wider_mode): Change type to unsigned char.
5589 (mode_mask_array): Declare.
5590 (GET_MODE_MASK): Use mode_mask_array.
5592 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
5594 * calls.c (expand_call) : Encapsulate code into
5595 copy_blkmode_from_reg.
5596 * expr.c (copy_blkmode_from_reg): New function.
5597 * expr.h (copy_blkmode_from_reg): New function.
5598 * integrate.c (function_cannot_inline_p): We can inline
5600 (expand_inline_function): Use copy_blkmode_from_reg
5601 if needed. Avoid creating BLKmode REGs.
5602 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
5605 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
5607 * config/v850/v850.c: Add function prototypes.
5608 Add support for v850 special data areas.
5610 * config/v850/v850.h: Add support for v850 special data areas.
5612 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
5613 HANDLE_PRAGMA_PACK_PUSH_POP.
5614 (push_alignment): New function: Cache an alignment requested
5615 by a #pragma pack(push,<n>).
5616 (pop_alignment): New function: Pop an alignment from the
5618 (insert_pack_attributes): New function: Generate __packed__
5619 and __aligned__ attributes for new decls whilst a #pragma pack
5621 (add_weak): New function: Cache a #pragma weak directive.
5622 (handle_pragma_token): Document calling conventions. Add
5623 support for #pragma pack(push,<n>) and #pragma pack (pop).
5625 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
5626 are defined enable HANDLE_PRAGMA_PACK.
5627 Move 'struct weak_syms' here (from varasm.c).
5628 Add pragma states for push and pop pragmas.
5630 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
5633 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
5634 HANDLE_GENERIC_PRAGMAS.
5636 * varasm.c: Move definition of 'struct weak_syms' into
5638 (handle_pragma_weak): Deleted.
5640 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5642 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5644 * c-decl.c (start_function): Add invocation of
5645 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
5647 * tm.texi: Remove description of non-existant macro
5648 SET_DEFAULT_SECTION_NAME.
5650 (HANDLE_SYSV_PRAGMA): Document.
5651 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
5653 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
5655 * config.sub: Recognize i[34567]86-pc-udk as new target.
5656 * configure.in: Likewise.
5657 * config/i386/t-udk: New file.
5658 * config/i386/udk.h: New file.
5660 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
5662 * reorg.c (check_annul_list_true_false): Remove unused variables.
5663 (steal_delay_list_from_target): Add missing "used_annul" variable.
5664 (try_merge_delay_insns): Close out half formed comment.
5666 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5668 * cpplib.c (macroexpand): If arg->raw_before or
5669 arg->raw_after, remove any no-reexpansion escape at the
5670 beginning of the pasted token. Correct handling of whitespace
5671 markers and no-reexpand markers at the end if arg->raw_after.
5673 * toplev.c (documented_lang_options): Recognize -include,
5674 -imacros, -iwithprefix, -iwithprefixbefore.
5675 * cpplib.c (cpp_start_read): Process -imacros and -include
5676 switches at the same time and in command-line order, after
5677 initializing the dependency-output code. Emit properly nested
5678 #line directives for them. Emit a #line for the main file
5679 before processing these switches, and don't do it again
5682 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
5684 * function.c (purge_addressof_1): Use bitfield manipulation
5685 routines to handle mem mode < reg mode.
5687 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5689 * reorg.c (try_merge_delay_insns): Account for resources referenced
5690 in each instruction in INSN's delay list before trying to eliminate
5691 useless instructions. Similarly when looking at a trial insn's delay
5694 * reorg.c (check_annul_list_true_false): New function.
5695 (steal_delay_list_from_{target,fallthrough}): Call it and also
5696 refine tests for when we may annul if already filled a slot.
5697 (fill_slots_from_thread): Likewise.
5698 (delete_from_delay_slot): Return newly-created thread.
5699 (try_merge_delay_isns): Use its new return value.
5701 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
5703 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
5704 used to compute a giv or as some other non-counting use.
5706 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5708 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
5709 * local-alloc.c (find_free_reg): Use it.
5710 * global.c (find_reg): Likewise.
5711 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
5713 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
5714 * caller-save.c (init_caller_save): Use it.
5715 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
5717 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5719 * configure.in: Add --enable-cpplib option which uses cpplib
5720 for cpp, but doesn't link cpplib into cc1. Make help text
5721 capitalization consistent.
5722 * configure: Rebuilt.
5724 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
5726 * function.c (gen_mem_addressof): If the address REG is
5727 REG_USERVAR_P make the new REG be so also.
5728 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
5729 in an attempt to clarify slightly.
5731 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
5733 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
5734 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
5736 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
5738 * toplev.c: Fix last patch.
5740 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
5742 * loop.c (get_condition): Fix typo in May 9 change.
5744 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5746 * invoke.texi (-fexceptions): Merge 2 different descriptions.
5748 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5750 * toplev.c (documented_lang_options): Spelling corrections.
5752 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5754 * configure.in: new flags --with-ld and --with-as, equivalent
5755 to setting LD and AS environment variables. Test whether
5756 specified arguments are GNU commands, and report them with
5757 checking messages. Use the specified AS for configure
5760 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
5762 * gcc.c (find_a_file): when looking for `as' and `ld', return
5763 the DEFAULT program if it exists
5764 * collect2.c (main): use DEFAULT_LINKER if it exists
5766 * gcc.c (find_a_file): the test for existence of a full
5767 pathname was reversed
5769 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
5771 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
5772 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
5774 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
5776 * tree.h (TYPE_BINFO): Document.
5778 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
5780 * i386-coff.h (dbxcoff.h): Added.
5782 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
5784 * toplev.c: fix bad patch around flag_data_sections.
5786 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
5788 * reload1.c (reload): Use reload_address_index_reg_class and
5789 reload_address_base_reg_class when setting
5790 caller_save_spill_class. (Patch generated by Jim Wilson:
5793 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
5795 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
5796 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
5797 * expr.c (store_field): Add alias_set parameter. Set the
5798 MEM_ALIAS_SET accordingly, if the target is a MEM.
5799 (expand_assignment): Use it.
5800 (store_constructor_field): Pass 0.
5801 (expand_expr): Likewise.
5803 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
5805 * flags.h: Add flag_data_sections.
5806 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
5807 (compile_file): Error if flag_data_sections not supported.
5808 * varasm.c (assemble_variable): Handle flag_data_sections.
5809 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
5810 * config/mips/elf.h: Likewise.
5811 * config/mips/elf64.h: Likewise.
5812 * invoke.texi: Describe -fdata-sections.
5814 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
5816 * invoke.texi (-ffloat-store): Clarify that this option
5817 does not affect intermediate results -- only variables.
5819 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
5821 * cpp.texi: Update for Fortran usage from Craig.
5823 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5825 * rs6000.c (function_arg_boundary): Revert accidental change on
5828 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
5830 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
5831 (output_mi_thunk): Declare.
5833 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
5834 (output_function_profiler): Use r12 for temp, instead of r11 so
5835 that we preserve the static chain register.
5837 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
5839 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
5841 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5843 * sh.c (gen_shl_sext): Fix case 5.
5845 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5847 * reload1.c (reload_combine): Re-add line that got accidentally lost.
5849 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5851 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
5852 accessing variables until they are initialized via va_arg().
5854 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5856 * reload1.c (reload_combine): Initialize set before using.
5858 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
5860 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
5863 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
5865 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
5866 operand3 with mask before using it. Patch provided by Jim Wilson.
5868 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5870 * config/sparc/sparc.c (function_value): Perform the equivalent of
5871 PROMOTE_MODE for ARCH64.
5872 (eligible_for_epilogue_delay): Allow DImode operations in delay
5873 slot of a return for ARCH64.
5875 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5877 * sh.md (sqrtsf2): Fix mode of sqrt.
5879 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5881 * reload1.c (choose_reload_regs): Also try inheritance when
5882 reload_in is a stack slot of a pseudo, even if we already got a
5885 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5887 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
5888 (reload_cse_regs): New function body: call reload_cse_regs_1,
5889 reload_combine, reload_cse_move2add.
5890 When doing expensive_optimizations, call reload_cse_regs_1 a
5891 second time after reload_cse_move2add.
5892 (reload_combine, reload_combine_note_store): New functions.
5893 (reload_combine_note_use): New function.
5894 (reload_cse_move2add, move2add_note_store): New functions.
5896 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5898 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
5899 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
5901 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
5902 more than 3 such reloads.
5904 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
5905 RELOAD_FOR_X_ADDR_ADDR reload.
5907 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5909 * expr.c (store_constructor): When initializing a field that is smaller
5910 than a word, at the start of a word, try to widen it to a full word.
5912 * cse.c (cse_insn): When we are about to change a register,
5913 remove any invalid references to it.
5915 (remove_invalid_subreg_refs): New function.
5916 (mention_regs): Special treatment for SUBREGs.
5917 (insert_regs): Don't strip SUBREG for call to mention_regs.
5918 Check if reg_tick needs to be bumped up before that call.
5919 (lookup_as_function): Try to match known word_mode constants when
5920 looking for a norrower constant.
5921 (canon_hash): Special treatment for SUBREGs.
5923 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5925 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
5926 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
5927 defined, emit libcall to __enable_execute_stack. Also fix opcodes
5928 and offsets in actual stack trampoline code so they match the
5929 commentary and actually work.
5931 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5933 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
5935 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
5936 tmake_file. Set extra_parts to needed crt objects.
5937 * configure: Rebuilt.
5938 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
5939 (TARGET_DEFAULT): Set if default is v9 or ultra.
5940 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
5941 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
5942 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
5943 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
5944 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
5945 (TARGET_VERSION): Define.
5946 (MULTILIB_DEFAULT): Define.
5947 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
5948 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
5949 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
5951 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
5952 * config/sparc/sparc.c (sparc_override_options): If arch and
5953 pointer size disagree, emit diagnostic and fix it up. If
5954 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
5955 V8PLUS in 64-bit mode.
5956 * config/sparc/t-linux64: New file.
5957 * config/sparc/t-sol2-64: New file.
5958 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
5959 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
5960 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
5961 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
5962 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
5963 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
5965 (STARTFILE_SPEC): Set approriately based upon those.
5966 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
5967 disposition of DEFAULT_ARCH32_P.
5968 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
5969 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
5970 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
5971 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
5972 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
5974 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
5976 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
5978 * rtl.h (init_virtual_regs): New function.
5979 * emit-rtl.c (init_virtual_regs): Define.
5980 (insn_emit): Use it.
5981 * integrate.c (save_for_inline_copying): Likewise.
5983 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
5985 * config/arm/thumb.h: The following patches were made by Jim Wilson:
5986 (enum reg_class): Add NONARG_LO_REGS support.
5987 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5988 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
5989 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
5990 completes. Re-enable HImode REG+OFFSET addresses.
5991 (LEGITIMIZE_RELOAD_ADDRESS): Define.
5993 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
5995 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
5997 * alpha.c (get_aligned_mem): Revert Sep 20 change.
5998 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
5999 (alpha_align_insns): Properly calculate initial offset wrt max_align.
6001 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
6003 * arm.c (find_barrier): Revert change of Apr 23. Handle table
6004 jumps as a single entity, taking into account the size of the
6007 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
6009 * tree.def (SWITCH_EXPR): New tree node definition.
6011 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
6013 * version.c: Bump for snapshot.
6015 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
6017 * version.c: Bump for snapshot.
6019 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
6021 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
6024 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
6026 * Revert this patch.
6027 * reload.c (find_reloads): Do not replace a pseudo with
6028 (MEM (reg_equiv_addr)) in the initializing insn for the
6031 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
6033 * final.c (final_scan_insn): Disable tracking CC across branches.
6035 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6037 * expr.h (eh_rtime_match_libfunc): New extern declaration.
6038 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
6039 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
6040 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
6041 NULL. Only include <stdio.h> if inhibit_libc is not defined.
6043 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
6045 * toplev.c (rest_of_compilation): Skip compiling anything with
6046 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
6048 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
6050 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
6051 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
6052 use in_libcall_block.
6053 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
6054 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
6057 Mon Sep 21 14:02:23 1998
6059 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
6060 typo in no-fancy-math-387 description.
6062 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
6064 * version.c: Bump for snapshot.
6066 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
6068 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
6070 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
6072 * i386.h: (TARGET_SWITCHES) Add description fields for flags
6073 documented in install.texi.
6074 (TARGET_OPTIONS) Likewise.
6076 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
6078 * version.c: Bump for snapshot.
6080 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
6082 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
6083 * cccp.c (main): Likewise.
6085 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
6086 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
6089 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
6091 * Makefile.in (LIBS): Link in libiberty.a.
6092 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
6094 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
6096 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
6097 it to update bb boundaries. Update caller.
6098 * function.c (reposition_prologue_and_epilogue_notes): Update
6099 bb boundaries wrt the moved note.
6101 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
6103 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
6105 * configure: Regenerate.
6107 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
6109 * alpha.c (alpha_sr_alias_set): New variable.
6110 (override_options): Set it.
6111 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
6112 (mode_mask_operand): Fix signed-unsigned comparision warning.
6113 (alpha_expand_block_move): Likewise.
6114 (print_operand): Likewise.
6115 (get_aligned_mem): Use change_address.
6116 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
6117 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
6118 (alphaev4_next_nop, alphaev5_next_nop): New functions.
6119 (alpha_align_insns): Remade from old alphaev5_align_insns
6120 to handle multiple processors.
6121 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
6122 * output.h (label_to_alignment): Prototype.
6124 * tree.c (new_alias_set): New function.
6125 * tree.h (new_alias_set): Declare it.
6126 * c-common.c (c_get_alias_set): Use it.
6128 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
6130 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
6131 to an ABS expr, convert an unsigned input to signed.
6133 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
6135 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
6137 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6139 * configure.in: Add support for c4x targets.
6140 * configure: Rebuilt.
6142 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
6144 * combine.c (distribute_notes): If an insn is a cc0 user, only
6145 delete it if we can also delete the cc0 setter.
6147 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
6149 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
6150 (invert_truthvalue): Enable truthvalue inversion for
6151 floating-point operands if -ffast-math.
6153 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
6155 * configure.in: Disable collect2 for nextstep. Instead use
6157 * configure: Rebuilt.
6158 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
6159 (ENDFILE_SPEC): Define.
6160 (OBJECT_FORMAT_MACHO): Define.
6161 (EH_FRAME_SECTION_ASM_OP): Define.
6162 * crtstuff.c: Handle MACHO.
6164 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
6166 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
6168 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
6170 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
6171 (_fpadd_parts): Get sign right for 0.
6173 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6175 * ginclude/varargs.h: Add support for C4x target.
6176 * ginclude/stdargs.h: Likewise.
6178 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
6180 * alpha.c (alpha_return_addr): SET should be VOIDmode.
6181 (alpha_emit_set_long_const): Rewrite to be callable from reload
6183 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
6184 * alpha.md (movdi): Likewise.
6186 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
6188 * arm.c (add_constant): New parameter address_only, change caller.
6189 Set it non-zero if taking the address of an item in the pool.
6190 (arm_reorg): Handle cases where we need the address of an item in
6193 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
6195 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
6196 memory addresses that are not in standard canonical form.
6198 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
6200 * README.C4X: New file with information about the c4x ports.
6201 * ginclude/va-c4x.h: New file for c4x varargs support.
6202 * config/c4x: New directory with c4x port files.
6204 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
6206 * reload.c (find_reloads): Do not replace a pseudo with
6207 (MEM (reg_equiv_addr)) in the initializing insn for the
6210 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
6212 * toplev.c (rest_of_compilation): Set bct_p on second call to
6214 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
6216 (strength_reduce): Only call analyze_loop_iterations and
6217 insert_bct if bct_p set.
6218 (check_dbra_loop): Fix typo.
6219 (insert_bct): Use word_mode instead of SImode.
6220 (instrument_loop_bct): Likewise. Do not delete iteration count
6221 condition code generation insn. Initialize iteration count before
6223 * rtl.h (loop_optimize): Update prototype.
6225 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
6226 not doubleword aligned.
6228 * rs6000.c (optimization_options): New function.
6229 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
6230 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
6231 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
6232 first; cr1 can be used for FP record condition insns.
6234 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
6236 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
6239 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
6242 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
6244 (block_move_call): New function: Call a library routine to copy a
6246 (m32r_expand_block_move): New function: Expand a "movstrsi"
6247 pattern into a sequence of insns.
6248 (m32r_output_block_move): New function: Expand a
6249 "movstrsi_internal" pattern into a sequence of assembler opcodes.
6250 (m32r_block_immediate_operand): New function: Return true if the
6251 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
6253 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6255 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
6257 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
6259 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6261 * regmove.c (copy_src_to_dest): Check that modes match.
6263 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
6265 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
6267 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
6269 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
6270 narrower than FLOAT_REGS.
6272 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6274 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
6276 * Makefile.in (old_gxx_include_dir): removed
6278 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
6280 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
6283 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
6284 (sh_handle_pragma): Change function arguments to match new
6285 specification for HANDLE_PRAGMA.
6287 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6289 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
6291 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
6292 When generating output, initialize missing struct member to zero.
6294 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6296 * regmove.c (copy_src_to_dest): Don't copy if that requires
6297 (a) new register(s).
6299 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6301 * global.c (reg_allocno): Now static.
6302 * reload1.c (reg_allocno): Delete declaration.
6303 (order_regs_for_reload): Take no arguments. Don't treat regs
6304 allocated by global differently than those allocated by local-alloc.
6306 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
6308 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
6309 condition, fix format strings.
6310 (output_function_epilogue): Likewise.
6312 * m68k/m68k.c: Don't include <stdlib.h> directly.
6314 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
6316 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
6317 mem_first_set, mem_last_set; because 0 can be a CUID.
6318 (oprs_unchanged_p): Use new definition.
6319 (record_last_reg_set_info): Likewise.
6320 (record_last_mem_set_info): Likewise.
6321 (compute_hash_table): Likewise.
6323 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
6325 * rs6000.c (output_epilogue): Handle Chill.
6327 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
6328 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
6330 * combine.c (make_extraction): If no mode is specified for
6331 an operand of insv, extv, or extzv, default it to word_mode.
6332 (simplify_comparison): Similarly.
6333 * expmed.c (store_bit_field): Similarly.
6334 (extract_bit_field): Similarly.
6335 * function.c (fixup_var_regs_1): Similarly.
6336 * recog.c (validate_replace_rtx_1): Similarly.
6337 * mips.md (extv, extzv, insv expanders): Default modes for most
6338 operands. Handle TARGET_64BIT.
6339 (movdi_uld, movdi_usd): New patterns.
6341 * pa.c (emit_move_sequence): Do not replace a pseudo with its
6342 equivalent memory location unless we have been provided a scratch
6343 register. Similarly do not call find_replacement unless a
6344 scratch register has been provided.
6346 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6348 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
6351 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
6353 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
6354 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
6355 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
6356 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
6357 * c-decl.c (init_decl_processing): Update accordingly.
6358 * expr.c (expand_builtin): Likewise.
6360 * rtl.h (global_rtl): Add cfa entry.
6361 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
6362 (LAST_VIRTUAL_REGISTER): Update.
6363 * emit-rtl.c (global_rtl): Add cfa entry.
6364 (init_emit): Initialize it.
6365 * function.c (cfa_offset): New.
6366 (instantiate_virtual_regs): Initialize it.
6367 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
6368 (expand_function_end): Call expand_eh_return.
6369 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
6371 * except.c (current_function_eh_stub_label): Kill.
6372 (current_function_eh_old_stub_label): Likwise; update all references.
6373 (expand_builtin_set_return_addr_reg): Kill.
6374 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
6375 (expand_builtin_set_eh_regs): Kill.
6376 (eh_regs): Produce a third reg for the actual handler address.
6377 (eh_return_context, eh_return_stack_adjust): New.
6378 (eh_return_handler, eh_return_stub_label): New.
6379 (init_eh_for_function): Initialize them.
6380 (expand_builtin_eh_return, expand_eh_return): New.
6381 * except.h: Update prototypes.
6382 * flow.c (find_basic_blocks_1): Update references to the stub label.
6383 * function.h (struct function): Kill stub label elements.
6385 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
6386 register number is one that would be in the previous window.
6387 Provide a dummy definition for non-windowed targets.
6388 (get_reg_addr): New function.
6389 (get_reg, put_reg, copy_reg): Use it.
6390 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
6391 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
6393 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
6394 (alpha_init_expanders): Initialize it.
6395 (alpha_expand_epilogue): Use it.
6396 * alpha.h: Declare it.
6397 * alpha.md (eh_epilogue): New.
6399 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
6400 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
6402 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
6404 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
6407 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6409 * except.h (struct eh_entry): Add false_label field.
6410 (end_catch_handler): Add prototype.
6411 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
6412 (start_catch_handler): When using old style exceptions, issue
6413 runtime typematch code before continuing with the handler.
6414 (end_catch_handler): New function, generates label after handler
6415 if needed by older style exceptions.
6416 (expand_start_all_catch): No need to check for new style exceptions.
6417 (output_exception_table_entry): Only output the first handler label
6418 for old style exceptions.
6419 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
6420 mechanism into one function, if a runtime matcher is provided.
6422 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6424 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
6426 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
6428 * integrate.c (copy_decl_list): Fix typo.
6430 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6432 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
6435 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
6437 * version.c: Bump for snapshot.
6439 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
6441 * version.c: Bump for snapshot.
6443 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
6445 * version.c: Bump for snapshot.
6447 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6449 * invoke.texi (C Dialect Options): Put back missing @end itemize.
6451 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6453 * configure.in: remove usage of `!' to negate the result of a
6454 command; some common shells do not support it
6456 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6458 * configure.in: in sparc9-sol2 config, use 'if test' not
6460 * configure: Rebuilt.
6462 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
6464 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
6465 (CPP_CPU_DEFAULT_SPEC): Likewise.
6466 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
6467 for arch64 libfuncs.
6469 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
6472 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6474 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
6476 * collect2.c: Don't declare `sys_siglist' here.
6477 (my_strsignal): Prototype and define new function. Use it in
6478 place of `sys_siglist' hacks.
6480 * mips_tfile.c: Likewise.
6482 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
6483 (GCC_NEED_DECLARATIONS): Likewise.
6485 * system.h (strsignal): Prototype it, if necessary.
6486 (sys_siglist): Declare it, if necessary.
6488 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6490 * loop.c (move_movables): While removing insn sequences, preserve
6491 the next pointer of the most recently deleted insn when we skip
6494 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
6496 * objc/config-lang.in: Do not output the name of the selected
6497 thread file when building the front-end. The Makefile for the
6498 runtime library will do this.
6500 * objc/Make-lang.in: Do not build the runtime library or install
6501 the Objective C header files. The Makefile for the runtime
6502 library will do this.
6504 * objc/Makefile.in (all.indirect): Only build the front-end.
6505 (compiler): Rename to `frontend'.
6506 (obj-runtime): Remove target.
6507 (copy-headers): Likewise.
6508 (clean): No need to remove `libobjc.a' any longer.
6510 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
6512 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
6513 supported with -mcpu=xxx.
6515 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6517 * flow.c (mark_set_1): Recognize multi-register structure return
6518 values in CALL insns.
6519 (mark_used_regs): Likewise.
6520 (count_reg_sets_1): Likewise.
6521 (count_reg_references): Likewise.
6522 * rtlanal.c (note_stores): Likewise.
6523 (reg_overlap_mentioned_p): Likewise.
6524 * haifa-sched.c (check_live_1): Likewise.
6525 (update_live_1): Likewise.
6526 (sched_analyze_1): Likewise.
6527 (sched_note_set): Likewise.
6528 (birthing_insn_p): Likewise.
6529 (attach_deaths): Likewise.
6531 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
6534 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
6536 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
6538 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6540 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
6542 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6544 * configure.in: Add check for GAS subsection -1 support.
6545 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
6546 * configure config.in: Rebuilt.
6547 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
6548 SImode is subsection -1 works, else use DImode.
6549 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
6550 subsection -1 works.
6551 * config/sparc/sparc.c (sparc_output_addr_vec,
6552 sparc_output_addr_diff_vec): Use them if defined.
6554 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
6556 * tree.h (DECL_ORIGIN): New macro.
6557 * integrate.c (copy_and_set_decl_abstract_origin): New function.
6558 (copy_decl_list): Use it.
6559 (integrate_parm_decls): Likewise.
6560 (integrate_decl_tree): Likewise.
6561 * dwarf2out.c (decl_ultimate_origin): Simplify.
6562 * dwarfout.c (decl_ultimate_origin): Likewise.
6563 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
6564 (pushdecl): Likewise.
6566 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
6568 * config/rs6000/rs6000.c (output_epilog): Add Java support.
6570 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
6572 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
6574 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
6576 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
6577 empty or has a single entry.
6579 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
6580 before calling reg_to_stack.
6582 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
6584 * alpha.c (alphaev5_insn_pipe): Abort on default case.
6585 (alphaev5_next_group): Swallow CLOBBERs and USEs.
6587 * c-tree.h (warn_long_long): Declare it.
6589 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
6591 * emit-rtl.c (gen_lowpart_common): Disable optimization of
6592 initialized float-int union if the value is a NaN.
6594 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
6596 * c-lex.c (real_yylex): Don't warn about long long constants if
6597 we're allowing long long
6599 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6601 * except.h (current_function_eh_stub_label): Declare.
6602 (current_function_eh_old_stub_label): Declare.
6603 * function.h (struct function): New members eh_stub_label and
6605 * except.c (current_function_eh_stub_label): New variable.
6606 (current_function_eh_old_stub_label): New variable.
6607 (init_eh_for_function): Clear them.
6608 (save_eh_status): Save them.
6609 (restore_eh_status): Restore them.
6610 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
6611 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
6612 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
6613 make an edge from the block that contains it to the block starting
6614 with the label if this label is one of the eh stub labels.
6615 If eh stub labels exist, show they are reachable from the last block
6618 * reload1.c (reload): Break out several subroutines and make some
6620 (calculate_needs_all_insns): New function, broken out of reload.
6621 (calculate_needs): Likewise.
6622 (find_reload_regs): Likewise.
6623 (find_group): Likewise.
6624 (find_tworeg_group): Likewise.
6625 (something_needs_reloads): New global variable, formerly in reload.
6626 (something_needs_elimination): Likewise.
6627 (caller_save_spill_class): Likewise.
6628 (caller_save_group_size): Likewise.
6629 (max_needs): Likewise.
6630 (group_size): Likewise.
6631 (max_groups): Likewise.
6632 (max_nongroups): Likewise.
6633 (group_mode): Likewise.
6634 (max_needs_insn): Likewise.
6635 (max_groups_insn): Likewise.
6636 (max_nongroups_insn): Likewise.
6637 (failure): Likewise.
6639 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
6641 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
6643 * loop.c (load_mems): Copy rtx for output mem.
6645 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
6647 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
6648 mips1 or mips2 either.
6650 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
6652 * pa.c (pa_reorg): New marking scheme for jumps inside switch
6654 (pa_adjust_insn_length): Update to work with new marking scheme
6655 for jumps inside switch tables.
6656 * pa.md (switch_jump): Remove pattern.
6657 (jump): Handle jumps inside jump tables.
6659 * Makefile.in (profile.o): Depend on insn-config.h
6661 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
6663 * iris6.h (DWARF2_UNWIND_INFO): Undef.
6665 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6667 Add preliminary native sparcv9 Solaris support.
6668 * configure.in: Recognize sparv9-*-solaris2*
6669 * configure: rebuilt
6670 * config.sub: Recognize sparcv9 just like sparc64.
6671 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
6672 config/sparc/sol2-cn.asm: Macroize so it can be shared between
6673 32-bit and 64-bit Solaris systems.
6674 * config/sparc/t-sol2: Assemble those with cpp.
6675 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
6676 (*TF*_LIBCALL): If ARCH64 use V9 names.
6677 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
6679 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6681 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
6682 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
6684 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
6686 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
6687 to Pmode if CASE_VECTOR_MODE is something else.
6689 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
6691 * prefix.c (update_path): Correctly handle cases where PATH is
6692 a substring of the builtin prefix, but specifies a different
6695 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
6697 * expr.c: Corrected comment about what MOVE_RATIO does.
6698 * config/alpha/alpha.h: Ditto.
6699 * config/1750a/1750a.h: Ditto.
6700 * config/clipper/clipper.h: Ditto.
6701 * config/i386/i386.h: Ditto.
6703 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
6705 * configure.in (m68k-next-nextstep3*): Use collect2.
6706 Similarly for x86 NeXT configurations.
6707 * configure: Rebuilt.
6709 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
6711 * configure.in: Don't assume srcdir is .../gcc
6712 * configure: Rebuilt.
6714 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
6716 * global.c: Update comments.
6717 (global_alloc): Assign allocation-numbers
6718 even for registers allocated by local_alloc in case
6719 they are later spilled and retry_global_alloc is called.
6720 (mark_reg_store, mark_reg_clobber,
6721 mark_reg_conflicts, mark_reg_death): Always record a
6722 conflict with a pseudo register even if it has been
6723 assigned to a hard register.
6724 (dump_conflicts): Don't list pseudo registers already assigned to
6725 a hard register as needing to be allocated, but do list their
6727 * local-alloc.c: Update comment.
6729 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
6731 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
6732 * configure: Rebuilt.
6734 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
6736 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
6738 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
6739 for all targets that set -msoft-float.
6741 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6743 * toplev.c (print_switch_values): Make static to match prototype.
6745 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
6747 * configure.in: If we are unable to find the "gnatbind" program,
6748 then do not configure the ada subdir.
6749 * configure: Rebuilt.
6751 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
6753 * version.c: Bump for snapshot.
6755 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
6757 * version.c: Bump for snapshot.
6759 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6761 * Makefile.in (toplev.o): Depend on $(EXPR_H).
6762 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
6764 * gansidecl.h: Define ATTRIBUTE_NORETURN.
6766 * genattrtab.c: Have insn-attrtab.c include toplev.h.
6768 * genextract.c: Have insn-extract.c include toplev.h.
6770 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
6772 * toplev.c: Include expr.h.
6773 (really_sorry, fancy_abort): Remove prototypes.
6774 (set_target_switch): Add argument in prototype.
6775 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
6776 (v_really_sorry): Likewise.
6777 (print_version, print_single_switch, print_switch_values): Make
6778 static and add prototype arguments.
6779 (decl_printable_name): Add prototype arguments.
6780 (lang_expand_expr_t): New typedef.
6781 (lang_expand_expr): Declare as a lang_expand_expr_t.
6782 (incomplete_decl_finalize_hook): Add prototype argument.
6783 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
6784 (botch): Likewise for variable `s'.
6785 (rest_of_type_compilation): Mark variables `type' and `toplev'
6786 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
6787 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
6788 (display_help): Make variable `i' an `unsigned long'.
6789 (main): Remove unused parameter `envp'.
6790 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
6791 Cast -1 when comparing it with a `size_t'.
6793 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
6794 prototype with ATTRIBUTE_NORETURN.
6795 (fatal_insn_not_found, fatal_insn, really_sorry,
6796 push_float_handler, pop_float_handler): Add prototypes.
6797 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
6798 (do_abort, botch): Add prototypes.
6800 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
6802 * final.c (final): If a label is reached only from a single jump,
6803 call NOTICE_UPDATE_CC on the jump and its predecessor before
6804 emitting the insn after the label.
6806 * i386.h: Add AMD K6 support.
6807 Change TARGET_* macros to use table lookup.
6808 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
6809 (ADJUST_COST): Change definition to call function in i386.c.
6810 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
6811 * i386.c: Add AMD K6 support.
6812 Add constants for feature tests used by TARGET_* macros.
6813 (split_di): If before reload, call gen_lowpart and gen_highpart.
6814 (x86_adjust_cost): New function.
6815 (put_jump_code): New function.
6816 (print_operand): New codes 'D' and 'd'.
6817 * i386.md: New insn types. New insn attribute "memory".
6818 Redefine scheduling parameters to use new types and add AMD K6
6819 support. Explicitly set type of most insns.
6820 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
6821 Pro and K6 prefer movl $1,reg to incl reg.
6822 (adddi3, subdi3): Set cc_status.
6823 (DImode shift patterns): Change label counters from HOST_WIDE_INT
6824 to int; x86 can't have more than 2^31 DImode shifts per file.
6825 (setcc): Combine all setcc patterns. Allow writing memory.
6826 Combine all jump patterns using match_operator.
6827 (*bzero): Name pattern. Emit mutliple stos instructions when that
6828 is faster than rep stos.
6829 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
6832 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
6834 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
6837 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
6839 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
6840 not whatever we're generating now.
6842 * alpha.c (set_frame_related_p, FRP): New.
6843 (alpha_expand_prologue): Mark frame related insns.
6844 (alpha_expand_epilogue): Likewise, but with a null FRP.
6845 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
6846 * alpha.md (exception_receiver): New.
6847 * alpha/crtbegin.asm (.eh_frame): New beginning.
6848 (__do_frame_setup, __do_frame_takedown): New.
6849 * alpha/crtend.asm (.eh_frame): New ending.
6850 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
6851 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
6852 (ASM_FILE_START): Don't emit .file for dwarf2.
6854 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
6855 * rtl.c (reg_note_name): Likewise.
6856 * rtl.texi (REG_NOTES): Likewise.
6857 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
6860 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
6862 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
6863 * i386.md (movsf, movdf, movxf): Validate memory address returned
6864 from force_const_mem. Kill useless REG_EQUAL setting code.
6866 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
6868 * m68k.md (zero_extendsidi2): Fix typo.
6870 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
6872 * configure.in: Removed references to the removed file
6873 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
6874 * arm*-*-netbsd* and ns32k-*-netbsd*.
6875 * config/i386/xm-netbsd.h: Removed unnecessary file.
6876 * config/m68k/xm-netbsd.h: Likewise.
6877 * config/sparc/xm-netbsd.h: Likewise.
6878 * config/mips/xm-netbsd.h: Likewise.
6880 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
6882 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
6883 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
6885 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
6886 for exact section attributions.
6888 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
6890 * i386/crtdll.h (CPP_PREDEFINES): Define.
6892 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
6894 * m68k.md (5200 movqi): Do not allow byte sized memory references
6896 * m68k.c (output_move_qimode): Do not use byte sized operations on
6899 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
6900 explicit rules for building. Similarly for alloca, vfprintf,
6901 choose-temp and mkstemp, getopt, getopt1, and obstack.
6902 (INCLUDES): Add $(srcdir)/../include.
6903 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
6904 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
6906 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
6908 * gcc.c (do_spec_1): [case 'o'] Account for
6909 lang_specific_extra_outfiles.
6910 (main): Correctly clear all slots in outfiles for
6911 lang_specific_extra_outfiles. Set input_file_number before
6912 calling lang_specific_pre_link.
6914 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
6916 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
6918 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6920 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
6922 (sparc_output_deferred_case_vectors): If no work to do, return.
6923 Fix thinko in Sept 1 change.
6925 1998-09-03 SL Baur <steve@altair.xemacs.org>
6927 * Makefile.in: add semicolon in BISON definition for portability.
6929 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
6931 * config/nextstep.c (handle_pragma): Correct name of third
6934 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
6936 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
6937 * config/m32r/m32r.h: Make register 17 be fixed.
6938 * config/m32r/m32r.c: Use SImode for cc operations.
6940 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
6942 * invoke.texi (Warning Options): Add -Wnon-template-friend
6945 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
6947 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
6949 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
6951 * rs6000.md (movsf): Disable explicit secondary-reload-like
6952 functionality if TARGET_POWERPC64.
6953 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
6956 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
6958 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
6959 and term.h from fixinc.wrap.
6961 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6963 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
6964 safe to include both string.h and strings.h together.
6965 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
6966 which headers to search for function declarations. Continue to
6967 prefer string.h over strings.h when both are not acceptable.
6969 * acconfig.h (STRING_WITH_STRINGS): Add stub.
6971 * configure.in: Call GCC_HEADER_STRING.
6973 * system.h: Test STRING_WITH_STRINGS when deciding which headers
6974 to include. Continue to prefer string.h over strings.h when both
6977 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6979 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
6980 not assume top 32-bits of symbolic addresses are zero if
6983 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
6985 * ginclude/va-alpha.h: Protect entire second portion of the
6986 file against double inclusion.
6988 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
6990 Added support for the Boehm's garbage collector.
6991 * configure.in: Handle --enable-objc-gc.
6992 * configure: Rebuilt.
6993 * Makefile.in (CHECK_TARGETS): Add check-objc.
6994 (check-objc): New rule.
6995 * objc/Make-lang.in: Build a different Objective-C library that
6996 runs with the Boehm's collector.
6997 * objc/encoding.c (objc_round_acc_size_for_types): New function.
6998 * objc/encoding.c: Correctly compute the size of compound types in
6999 the presence of bitfields. Skip the variable name of the type if
7000 any. Added support for long long.
7001 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
7002 (_F_GCINVISIBLE): New mask.
7003 * objc/gc.c: New file. Compute the type memory mask associated with
7004 a class based on the runtime information.
7005 * objc/misc.c: Added the hooks that use the Boehm's collector
7006 allocation functions.
7007 * objc/objc-act.c (build_class_template): Generate a new class
7008 member (gc_object_type) to hold the class' type memory mask.
7009 (build_shared_structure_initializer): Initialize the new member to
7011 (encode_complete_bitfield): New function. Generate the new
7013 (encode_field_decl): Generate the new encoding only for the GNU
7015 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
7017 (class_get_gc_object_type): New function to mark a pointer instance
7018 variable as a weak pointer.
7019 * objc/objc-features.texi: New file.
7020 * objc/objc.h (gc_object_type): New class member.
7021 * objc/objects.c (class_create_instance): Create a typed memory
7022 object when compiled with Boehm's collector support.
7023 * objc/sendmsg.c (__objc_init_install_dtable): Call
7024 __objc_send_initialize instead of setting the initialize flag.
7025 (__objc_send_initialize): Call __objc_generate_gc_type_description
7026 to generate the class type memory mask. Rewrite the code that
7027 sends the +initialize so that it is called only once (bug report
7028 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
7029 * testsuite/objc: New testsuite for Objective-C type encoding.
7030 * testsuite/lib/objc-torture.exp: New file.
7031 * testsuite/lib/objc.exp: New file.
7033 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
7035 * jump.c (jump_optimize): In if/then/else transformations, add
7036 another call to modified_between_p for the jump insn.
7038 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
7040 * fix-header.c (symlink): Treat like readlink.
7042 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7044 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
7047 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
7049 * config/nextstep.h: Update HANDLE_PRAGMA macro.
7050 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
7051 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
7053 * config/nextstep.c (handle_pragma): Take three arguments, as per
7054 the new HANDLE_PRAGMA macro specification.
7055 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
7056 per the new HANDLE_PRAGMA macro specification.
7057 * config/i960/i960.c (process_pragma): Take three arguments, as
7058 per the new HANDLE_PRAGMA macro specification.
7060 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
7062 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
7063 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
7064 if unknown pragmas are encountered.
7065 (handle_sysv_pragma): Interpret return code from
7066 handle_pragma_token (). Return success/failure indication rather
7067 than next unprocessed character.
7068 (pragma_getc): New function: retrieves characters from the
7069 input stream. Defined when HANDLE_PRAGMA is enabled.
7070 (pragma_ungetc): New function: replaces characters back into the
7071 input stream. Defined when HANDLE_PRAGMA is enabled.
7073 * c-pragma.c (handle_pragma_token): Return success/failure status
7076 * c-pragma.h: Change prototype of handle_pragma_token().
7078 * varasm.c: (handle_pragma_weak): Only create this function if
7079 HANDLE_PRAGMA_WEAK is defined.
7081 * c-common,c (decl_attributes): If defined call the expression
7082 contained within the INSERT_ATTRIBUTES macro before adding
7083 attributes to a decl.
7085 * tm.texi (HANDLE_PRAGMA): Document the new verion of
7086 HANDLE_PRAGMA, which takes three arguments.
7087 (INSERT_ATTRIBUTES): Document this new macro.
7089 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
7090 new INSERT_ATTRIBUTES macro.
7092 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7094 * config/sparc/sparc.md (movdf): Only generate special RTL for
7095 LABEL_REFs when PIC.
7096 (move_label_di): Remove
7097 (movdi_pic_label_ref, movdi_high_pic_label_ref,
7098 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
7099 references when PIC.
7100 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
7101 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
7102 output an .xword for all 64-bit cases.
7104 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7106 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
7107 alignment, use FUNCTION_BOUNDARY instead.
7108 (sparc_output_deferred_case_vectors): Likewise.
7110 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7112 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
7113 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
7115 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
7117 * alpha/va_list.h: New file.
7118 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
7120 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
7122 * NEWS: Add SCO Openserver and Unixware 7 notes.
7126 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
7128 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
7129 (record_constant_1): Handle RANGE_EXPR.
7131 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
7133 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
7134 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
7135 and NOTE_INSN_RANGE_END specially.
7136 (reemit_notes): Likewise.
7138 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7140 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
7141 (ultrasparc_sched_init): Remove unneeded &.
7143 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7145 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
7146 for m68020-60, to prevent the use of fintrz.
7148 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
7150 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
7152 * Makefile.in: Likewise.
7153 * configure: Regenerated.
7155 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
7157 * configure.in (gxx_include_dir): Changed to
7158 '${prefix}/include/g++'-${libstdcxx_interface}.
7159 * configure: Rebuilt.
7161 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
7163 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
7165 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
7166 *sequences* *below* which scalar moves will be used.
7168 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
7170 * collect2.c (mktemp): Delete unused declaration.
7172 * config/xm-netbsd.h: Remove unnecessary file.
7173 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
7174 file anymore, it is not needed.
7176 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
7178 * convert.c (convert_to_integer): Issue an error on conversions to
7181 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
7183 * Makefile.in: Add lang_tree_files and gencheck.h.
7184 * configure.in: Generate them.
7185 * gencheck.c: Include gencheck.h.
7187 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7189 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
7190 movdi_lo_sum_pic and movdi_high_pic and make visible.
7191 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
7192 emit these when Pmode is not SImode.
7193 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
7195 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
7197 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
7198 .linkonce directive after the first time.
7200 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
7202 * m68k.md (beq0_di): Generate correct (and more efficient) code when
7203 the clobbered operand overlaps with an input.
7204 (bne0_di): Similarly.
7206 * Makefile.in (INSTALL): Remove "--no-header" argument.
7208 * NEWS: Various updates.
7210 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7212 * config/sparc/sparc.c (arith_operand, const64_operand,
7213 const64_high_operand, arith_double_4096_operand): Mark mode as
7215 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
7217 (sparc_emit_set_const64): Remove unused variable i.
7218 (sparc_splitdi_legitimate): Likewise for addr_part.
7219 (ultra_code_from_mask): Likewise for mask.
7220 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
7221 reverse return values so it matches usage and comments.
7222 (ultra_flush_pipeline): Likewise.
7223 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
7224 this_type, and allow loads and stores of differing FP modes as
7225 they do not create a conflict.
7226 (ultra_find_type): Initialize fpmode to SFmode, fix
7227 parenthesization thinkos in large conditional.
7228 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
7229 Init free_slot_mask after ultra_cur_hist is reset, not before.
7230 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
7231 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
7232 use ultra_flush_pipeline instead, then re-init group pointer.
7233 Fix statement with no effect. If no progress made in, and no
7234 instructions scheduled at all, advance to new pipeline cycle else
7235 we get into an endless loop.
7236 (ultrasparc_adjust_cost): Remove previous arg.
7237 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
7239 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
7241 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
7242 code. Use reg_overlap_mentioned_p to detect when source and
7243 destination overlap.
7244 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
7246 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
7248 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
7249 COMPARISON_VAL, into invariant_p.
7251 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7253 * regmove.c (regclass_compatible_p): New function.
7254 (regmove_optimize): Use it.
7256 Use NREGS parameter insted of calling max_reg_num.
7258 (fixup_match_1): Don't use code = MINUS when later tieing with
7259 a hard register is likely.
7261 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7263 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
7264 COMPARISON_VAL was normalized.
7266 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
7268 * loop.c (check_dbra_loop): The loop ending comparison value
7269 must be an invariant or we can not reverse the loop.
7271 * loop.c (scan_loop): Count down from max_reg_num - 1 to
7272 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
7274 (load_mems_and_recount_loop_regs_set): Likewise.
7276 * i386.c (print_operand): Remove obsolete 'c' docs.
7278 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
7280 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
7281 * frame.c (init_object_mutex): New function.
7282 (init_object_mutex_once): Likewise.
7283 (find_fde): Call it.
7284 (__register_frame_info): Likewise.
7285 (__register_frame_info_table): Likewise.
7286 (__deregister_frame_info): Likewise.
7288 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
7290 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
7292 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7294 * loop.c (check_dbra_loop): Enable code for reversal
7295 of some loops without a known constant loop end.
7297 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
7299 * haifa-sched.c (last_clock_var): New.
7300 (schedule_block): Initialize it.
7301 (schedule_insn): Use it to fill insn modes with issue information.
7303 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
7304 Tag trapb and next insn with TImode.
7305 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
7306 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
7307 Invoke alphaev5_align_insns as appropriate.
7308 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
7309 (MD_SCHED_VARIABLE_ISSUE): New.
7310 * alpha.md (attr type): Add multi.
7311 (define_asm_attributes): New.
7312 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
7313 (arg_home): Likewise.
7314 (fnop, unop, realign): New.
7316 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
7318 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
7319 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
7321 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
7322 (rs6000-ibm-aix4.[12]*): Likewise.
7323 * configure: Regnerate.
7325 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
7327 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
7328 already contains the return address.
7330 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
7332 * calls.c (expand_call): Use bitfield instructions to extract/deposit
7333 word sized hunks when loading unaligned args into registers.
7335 * haifa-sched.c (sched_analyze_insn): Only create scheduling
7336 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
7338 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
7340 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7342 * loop.c (check_dbra_loop): Add some code that would allow reversal
7343 of some loops without a known constant loop end if it were enabled.
7345 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
7347 * mips.md (lshrsi3_internal2+2): Fix type-o.
7349 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7351 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
7352 correctly with regards to stdio.h.
7354 * calls.c: Remove stdarg.h/varargs.h.
7357 * combine.c: Likewise.
7358 * cpperror.c: Likewise.
7359 * cpplib.c: Likewise.
7360 * cpplib.h: Likewise.
7361 * doprint.c: Likewise.
7362 * emit-rtl.c: Likewise.
7363 * final.c: Likewise.
7364 * fix-header.c: Likewise.
7366 * genattr.c: Likewise.
7367 * genattrtab.c: Likewise.
7368 * gencodes.c: Likewise.
7369 * genconfig.c: Likewise.
7370 * genemit.c: Likewise.
7371 * genextract.c: Likewise.
7372 * genflags.c: Likewise.
7373 * genopinit.c: Likewise.
7374 * genoutput.c: Likewise.
7375 * genpeep.c: Likewise.
7376 * genrecog.c: Likewise.
7377 * mips-tfile.c: Likewise.
7378 * prefix.c: Likewise.
7379 * protoize.c: Likewise.
7380 * regmove.c: Likewise.
7381 * toplev.c: Likewise.
7384 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7386 * config/sparc/sparc.c (sparc_override_options): If not
7387 TARGET_FPU, turn off TARGET_VIS.
7388 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
7389 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
7390 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
7391 (movdi_insn_sp64): Add VIS fzero alternative.
7392 (clear_sf, clear_df): New VIS patterns.
7393 (movsf, movdf expanders): Allow fp_zero_operand flat out when
7395 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
7397 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
7399 * loop.c (n_times_set, n_times_used, may_not_optimize,
7400 reg_single_usage): Convert to varrays. All uses changed.
7401 (insert_loop_mem): Return a value.
7402 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
7403 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
7406 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
7409 * configure.in: Do not set thread_file to "irix" since no such
7412 * sparc.md (float abs/neg splits): Check reload_completed before
7413 calling alter_subreg.
7415 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7417 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
7419 * config/sparc/sparc.h: Declare it.
7420 * config/sparc/sparc.md (float abs/neg splits): Use it.
7421 (all other splits): Handle SUBREGs properly where necessary.
7422 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
7424 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
7426 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
7427 an insn on the unfilled_slots_list that has no delay slots.
7428 (fill_eager_delay_slots): Similarly.
7430 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
7432 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
7433 as an ordinary operand.
7435 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
7437 * tree.c (valid_machine_attribute): Don't apply attributes to both
7440 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
7442 * reload.c (operands_match_p): Handle rtvecs.
7444 * i386.c (legitimate_pic_address_disp_p): New.
7445 (legitimate_address_p): Use it.
7446 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
7447 Handle constant pool symbols just like statics.
7448 (emit_pic_move): Use Pmode not SImode for clarity.
7449 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
7450 [UNSPEC]: New, handling what we killed above.
7451 [PLUS]: Detect and abort on invalid symbol arithmetic.
7452 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
7454 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
7456 * alias.c: Include output.h.
7457 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
7458 different if we're in a varargs function.
7459 * Makefile.in (alias.o): Depend on output.h
7461 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7463 * sh.h (GIV_SORT_CRITERION): Delete.
7465 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
7467 * regclass.c (regclass): Use xmalloc/free instead of alloca.
7468 * stupid.c (stupid_life_analysis): Ditto.
7469 * reload1.c (reload): Ditto.
7471 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7473 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
7474 arith_double_4096_operand, arith_double_add_operand): New
7476 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
7477 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
7478 them to transform add/sub 4096 into add/sub -4096.
7480 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7482 * loop.c (scan_loop): Allocate some slop to handle pseudos
7483 generated by move_movables.
7484 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
7487 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
7489 * tree.def (DECL_RESULT): Correct documentation.
7491 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7493 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
7494 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
7495 conflicts will all RELOAD_FOR_OUTPUT reloads.
7497 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
7498 loads the function result, substitute with a USE.
7500 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7502 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
7503 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
7504 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
7505 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
7506 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
7507 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
7509 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
7510 'o' to 'm' for GPR variant constraints.
7512 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
7514 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
7516 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
7518 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
7519 when the source and destination overlap.
7521 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
7522 clash with global type.
7524 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
7526 * fixinc.irix: Add curses.h handling from fixinc.wrap.
7528 * c-common.c (combine_strings): Also set TREE_READONLY.
7529 Change warn_write_strings to flag_const_strings.
7530 * c-decl.c, c-tree.h: Likewise.
7532 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7534 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
7535 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
7536 sequence, use SET/IOR instead so CSE can see it.
7537 * config/sparc/sparc.md (movhi_const64_special,
7538 movsi_const64_special): New patterns necessitated by that change.
7539 (movhi_high): Remove.
7540 (movhi_lo_sum): Change to match an IOR.
7541 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
7542 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
7543 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
7544 (movdf splits): Allow when not V9 or when not ARCH64 and integer
7545 registers are involved.
7546 (snesi_zero_extend split): Remove reload_completed test.
7547 (unnamed plus and minus zero_extend sidi splits): Add it.
7549 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
7551 * extend.texi: Remove description of extension to explicit
7552 instantiation that is now endorsed by standard C++.
7554 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7556 * config/arc/arc.c (arc_initialize_pic): Remove.
7557 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
7558 nothing on any platform and is invoked by no-one, it does not even
7559 appear in the documentation.
7560 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
7561 * config/sparc/sparc.c (initialize_pic): Likewise.
7562 (find_addr_reg): Remove this as well, no longer referenced after
7565 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
7567 * recog.c (validate_replace_rtx_group): New function.
7568 * recog.h (validate_replace_rtx_group): Declare it.
7569 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
7570 the entire group of substitutions.
7572 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
7574 * loop.c (load_mems): Fix initializers.
7576 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7578 * config/sparc/sparc.md (TFmode splits): Handle destination
7579 registers being referenced in the address correctly.
7581 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
7582 TREE_UNSIGNED, when bitsize of type's mode is larger than
7583 HOST_BITS_PER_WIDE_INT.
7585 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7587 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
7588 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
7589 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
7591 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
7594 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
7596 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
7597 * h8300.h (TINY_DATA_NAME_P): Likewise.
7598 (STRIP_NAME_ENCODING): Handle '&'.
7600 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
7601 register (it could be accessed via an outer SUBREG).
7602 (REG_OK_FOR_BASE_P): Likewwise.
7603 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
7605 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
7608 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
7610 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7612 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
7613 must be offsettable so the splits can be made.
7615 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
7617 * config/i386/winnt.c: Include system.h, not stdio.h to get
7618 sys/param.h pulled in before rtl.h in case the system defines MIN
7621 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
7623 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
7625 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
7627 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
7629 * cpplib.c (cpp_define): Handle macros with parameters.
7631 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7633 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
7634 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
7635 and DImode 64-bit. Use llong for minimal-toc SFmode and
7636 SYMBOL_REF / LABEL_REF 64-bit.
7637 (output_function_profiler): Use llong for profiler label and ld to
7638 load 64-bit label address.
7640 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
7642 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
7645 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
7647 * version.c: Bump for snapshot.
7649 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
7651 * version.c: Bump for snapshot.
7653 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
7655 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
7657 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
7659 * tm.texi (Misc): Fix typo "teh".
7661 * tm.texi (PIC): Fix typo "PPIC".
7663 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
7664 effect when -O2 and higher.
7665 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
7667 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
7669 * regclass.c: Changed register set documentation to be consistent
7672 * final.c (final_start_function) Removed redundant test for
7675 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
7677 * rtl.h (rtx_function): New type.
7678 (for_each_rtx): New function.
7679 * rtlanal.c (for_each_rtx): Define it.
7681 * recog.c (change_t): New type.
7682 (change_objects, change_old_codes, change_locs, change_olds):
7684 (changes): New variable.
7685 (validate_change): Dynamically allocate room for more changes, if
7686 necessary. Uses changes array instead of change_objects, etc.
7687 (apply_change_group): Use changes array instead of
7688 change_objects, etc.
7690 * loop.c (loop_mem_info): New type.
7691 (loop_mems): New variable.
7692 (loop_mems_idx): Likewise.
7693 (looop_mems_allocated): Likewise.
7694 (scan_loop): Remove nregs parameter.
7695 (next_insn_in_loop): New function.
7696 (load_mems_and_recount_loop_regs_set): Likewise.
7697 (load_mems): Likewise.
7698 (insert_loop_mem): Likewise.
7699 (replace_loop_mem): Likewise.
7700 (replace_label): Likewise.
7701 (INSN_IN_RANGE_P): New macro.
7702 (loop_optimize): Don't pass max_reg_num() to scan_loop.
7703 (scan_loop): Remove nregs parameter, compute it after any new
7704 registers are created by load_mems. Use INSN_IN_RANGE_P and
7705 next_insn_in_loop rather than expanding them inline. Call
7706 load_mems to load memory into pseudos, if appropriate.
7707 (prescan_loop): Figure out whether or not there are jumps from the
7708 loop to targets other than the label immediately following the
7709 loop. Call insert_loop_mem to notice all the MEMs used in the
7710 loop, if it could be safe to pull MEMs into REGs for the duration
7712 (strength_reduce): Use next_insn_in_loop. Tweak comments.
7714 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
7716 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
7718 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7720 * config/sparc/sparc.c (finalize_pic): Check for the correct
7721 nonlocal_goto_receiver UNSPEC number.
7722 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
7723 making note of this dependency existing in sparc.c
7724 (negtf2_notv9 split): Give NEG SFmode.
7725 (negsf2): Fix insn output string.
7727 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
7729 * c-common.c (decl_attributes): Issue an error if the argument
7730 to alias is not a string.
7732 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
7734 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
7735 pending memory flush list.
7737 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
7739 (try_combine): Allow combining insns with REG_LIBCALL notes.
7741 * expr.c (emit_block_move): Do not call memcpy as a libcall
7742 instead build up a CALL_EXPR and call it like any other
7744 (clear_storage): Similarly for memset.
7746 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
7749 * Makefile.in (cplus-dem.o): Provide explicit rules for building
7752 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
7753 and REG_LIVE_LENGTH as successful substitutions are made.
7755 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7757 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
7758 statement after end of loop label.
7760 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7762 * config/sparc/sparc.c (ultra_types_avail): New variable.
7763 (ultra_build_types_avail): New function to record mask of insn
7764 types in ready list at this cycle.
7765 (ultrasparc_sched_reorder): Call it.
7766 (ultra_find_type): Use it to quicken the search. Also simplif
7767 dependency check, don't use rtx_equal_p because we know exactly
7768 what we are looking for.
7770 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
7772 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
7773 for architecture v4.
7775 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7777 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
7779 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
7780 movdf_const_intreg and helper splits): New patterns to move float
7781 constants into integer registers.
7782 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
7785 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
7788 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
7790 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
7792 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
7793 a BASE_REGS register is needed as an intermediate when copying
7794 a symbolic value into any register class other than BASE_REGS.
7796 * expr.c (move_by_pieces): No longer static. Remove prototype.
7797 * rtl.h (move_by_pieces): Add extern prototype.
7798 * mips.c (expand_block_move): Handle aligned straight line copy by
7799 calling move_by_pieces.
7801 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
7804 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
7806 * stmt.c (expand_end_loop): Tidy. Allow unconditional
7807 jumps out of the loop to be treated as part of the exit test.
7809 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7810 Jeff Law <law@cygnus.com>
7812 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
7813 * cplus-dem.c: Delete.
7815 * Makefile.in (fold-const.o): depend on $(RTL_H).
7817 * fold-const.c: Include rtl.h to get the prototype for
7818 `set_identifier_local_value'.
7820 * loop.c (express_from_1): Remove unused variable `tmp'.
7821 (combine_givs): cast the first argument of bzero to char *.
7823 * toplev.c (display_help): Remove unused variable `looking_for_start'.
7825 * c-decl.c (init_decl_processing): Remove unneeded &.
7827 * alpha.h (alpha_initialize_trampoline): Provide prototype.
7829 * except.c (set_exception_lang_code, set_exception_version_code):
7830 Change parameter from `short' to `int' to avoid using a gcc
7833 * except.h (set_exception_lang_code, set_exception_version_code):
7834 Likewise for prototypes.
7836 * flow.c (count_reg_references): Remove unused variables `regno'
7839 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
7841 * prefix.c (translate_name): Cast the result of `alloca'.
7843 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
7845 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7847 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
7849 (valid_dbcc_comparison_p): Mark mode argument as unused.
7850 (symbolic_operand): Likewise.
7851 (legitimize_pic_address): Likewise.
7852 (const_uint32_operand): Likewise.
7853 (const_sint32_operand): Likewise.
7854 * sched.c [!INSN_SCHEDULING]: Define only dummy function
7855 schedule_insns and comment out rest of file.
7857 * m68k.c (output_move_simode_const): Use subl to move a zero into an
7859 (output_move_[hq]imode): Likewise.
7861 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
7863 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
7864 * invoke.texi: Corresponding changes.
7866 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
7868 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
7870 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7872 * config/sparc/sparc.c (ultra_code_from_mask,
7873 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
7874 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
7875 ultrasparc_sched_init, ultrasparc_variable_issue,
7876 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
7877 functions to describe UltraSPARC pipeline exactly to Haifa.
7878 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
7879 as there is nothing the scheduler can do about it. Indicate that
7880 REG_DEP_OUTPUT's collide. Fixup formatting.
7881 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
7882 divide costs on Ultra for DImode.
7883 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
7885 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
7886 ieuN and add call_no_delay_slot to type list.
7887 (cti function unit): New unit for branches on UltraSPARC.
7888 (subx/addx insns): Set type to misc.
7889 (sidi zero/sign extension insns on arch64): Set type to shift.
7890 (sign_extendhidi2_insn): Set type to sload.
7892 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
7894 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
7895 (output_epilog): Use if != 0 for offset.
7896 (rs6000_fatal_bad_address): Prepare for Intl.
7897 * rs6000.h (rs6000_fatal_bad_address): Declare.
7898 * rs6000.md (movsfcc, movdfcc): Use else if.
7899 (elf_high): Use {liu|lis}.
7900 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
7901 (movsi): Use rs6000_fatal_bad_address.
7903 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
7905 * reload.c (find_equiv_reg): Reject equivalences separated
7906 by a volatile instruction.
7908 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7910 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
7912 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
7914 * alpha.md (movsicc): Fix mode mismatch.
7916 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
7918 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
7920 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
7922 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7924 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
7925 write-only modifier from operand 1 constraint.
7927 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7929 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
7930 emitting a XOR of -1 at the end, emit a NOT instead for combine's
7932 (sparc_emit_set_const64): Likewise, also when computing trailing
7933 bits do not negate low_bits and make fast_int an int.
7935 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
7937 * loop.c (add_label_notes): Do not ignore references to labels
7938 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
7939 * gcse.c (add_label_notes): Similarly.
7941 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
7943 * m68k.md (adddi_dilshr32): One of the operands must be a register.
7944 (adddi_dishl32): Similarly.
7946 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
7948 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
7949 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
7950 * cse.c (cse_basic_block): Add parens to shut up warnings.
7952 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7954 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
7955 sparc_emit_set_const64_longway, const64_is_2insns,
7956 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
7957 in 64-bit constant formation.
7958 * config/sparc/sparc.md (snesi_zero_extend split): Generate
7959 rtl for addx not subx.
7960 (define_insn movdi_const64_special): Make available even when
7961 HOST_BITS_PER_WIDE_INT is not 64.
7962 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
7963 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
7964 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
7965 instances of operand 1 inside a QI subreg.
7966 (xordi3_sp64_dbl): Remove '%' constraint for op1.
7967 (one_cmpldi2_sp64): Fix output string.
7968 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
7970 (unnamed arch64 ashift DI): Truncate shift count if greater than
7973 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7975 * expr.c (store_expr): Don't optimize away load-store pair
7976 when either source or destination have a side effect.
7978 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
7980 * genrecog.c (add_to_sequence): Fatal error if the modes of the
7981 operands of SET are incompatible.
7983 * alpha.md: Fix max and min patterns so modes of SET operands match.
7985 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
7987 * configure.in: Avoid [[ by using test and changequote.
7988 * configure: Rebuild.
7990 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7992 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
7994 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
7995 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
7996 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
7997 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
7998 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
7999 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
8000 Fix mismatching modes in SET operands.
8001 (conditional move patterns): Fix formatting.
8002 (unnamed subx arch64 pattern): Remove duplicate insn.
8004 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8006 * config/sparc/sparc.c (const64_operand, const64_high_operand):
8007 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
8008 (input_operand): Fixup test for what we accept for constant
8010 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
8012 (safe_constDI): Remove.
8013 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
8014 gen_safe_XOR64): New functions.
8015 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
8016 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
8018 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
8019 available when HOST_BITS_PER_WIDE_INT is not 64.
8020 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
8021 move before movdi_insn_sp64 pattern.
8022 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
8023 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
8024 symbolic_operand as predicate for second operand.
8025 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
8026 expander): Give set VOIDmode.
8028 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
8030 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
8032 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
8034 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
8036 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
8038 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
8040 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
8042 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
8044 * install.texi: Various SCO OpenServer tweaks.
8046 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
8048 * reload1.c (eliminate_regs_in_insn): Handle another case when
8049 eliminating the frame pointer to the hard frame pointer. Add
8050 missing ep->to_rtx check to one existing case.
8052 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
8054 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
8056 * tree.h: De-conditionalize init_priority code.
8058 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
8059 * collect2.c (NM_FLAGS): Change from -p to -n.
8061 * configure.in: Turn on collect2 for mipstx39-elf.
8062 Handle use_collect2=no properly.
8064 * c-common.c: De-conditionalize init_priority code.
8065 * collect2.c (extract_init_priority, sort_ids): New fns.
8066 (main): Call sort_ids.
8067 Move sequence_number to file scope.
8069 * configure.in: Handle --enable-init-priority.
8070 * c-common.c (attrs): Add A_INIT_PRIORITY.
8071 (init_attributes, decl_attributes): Likewise.
8072 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
8073 * tree.c (get_file_function_name_long): Split out...
8074 (get_file_function_name): ...from here.
8076 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
8078 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
8081 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
8083 * toplev.c (display_help): Add braces to shut up warnings.
8084 * tree.c (simple_cst_equal): Likewise.
8086 * fold-const.c (non_lvalue): Don't deal with null pointer
8088 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8090 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
8091 of any size to a pointer.
8093 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
8095 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
8097 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
8099 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
8100 which will be saved.
8101 * mn10300.md (prologue insn): Only save registers which need saving.
8102 (epilogue insn): Similarly.
8104 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
8107 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
8109 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
8110 VAR_DECL's in gp addressable sections.
8112 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
8114 * sparc.c: Change return <exp> to <exp>; return; in functions
8116 * sparc.md: Add empty semicolon statement after final label in
8119 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8121 * config/sparc/sparc.md (define_insn addx_extend): Rename to
8122 addx_extend_sp64, only allow when TARGET_ARCH64.
8123 (define_insn addx_extend_sp32 and split): Version that works when
8125 (define_insn subx_extend): Likewise.
8126 (define_split adddi3 and subdi3 with zero extension): Fixup and
8127 correct bugs when not TARGET_ARCH64.
8129 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
8131 * except.c (set_exception_lang_code, set_exception_version_code):
8132 Use prototype-style definition if __STDC__, to match declaration
8135 * genemit.c: Change FAIL and DONE macros not to use loops.
8137 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
8139 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
8140 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
8142 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
8144 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
8146 * README.g77: Update from Craig.
8148 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8150 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
8152 (safe_constDI sparc_emit_set_const64_quick1,
8153 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
8154 analyze_64bit_constant, const64_is_2insns,
8155 create_simple_focus_bits): Fix some bugs when compiled on real
8157 (function_arg_record_value_3, function_arg_record_value_2,
8158 function_arg_record_value): Add fully prototyped forward decls.
8159 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
8160 to cmpsi_insn and use on both 64 and 32 bit targets.
8161 (define_insn cmpsi_insn_sp64): Remove.
8162 (define_expand zero_extendsidi2): Allow for 32-bit target too.
8163 (define_insn zero_extendsidi2_insn): Rename to
8164 zero_extendsidi2_insn_sp64.
8165 (define_insn zero_extendsidi2_insn_sp32): New pattern and
8166 assosciated forced split for it.
8168 * config/sparc/sparc.c (const64_operand, const64_high_operand):
8170 * config/sparc/sparc.h: Declare them.
8171 (PREDICATE_CODES): Add them.
8172 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
8173 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
8175 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
8177 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
8178 in v9 case as the latter makes the Solaris assembler crash.
8180 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8182 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
8183 for TFmode when !v9. We require offsettable memory addresses.
8184 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
8185 DFmode register number conversions.
8186 * config/sparc/sparc.md (define_split DFmode moves): If register
8187 is a SUBREG do alter_subreg on it before using.
8188 (define_expand movtf): Fixup comment about alignment on v9.
8189 (define_split TFmode moves): Don't use gen_{high,low}part, create
8190 explicit SUBREGs instead.
8192 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
8194 * Makefile.in (mbchar.o): Depend on mbchar.c.
8196 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8197 Richard Henderson <rth@cygnus.com>
8199 Rewrite Sparc backend for better code generation and
8200 improved sparc64 support.
8201 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
8203 * config/sparc/sysv4.h: Likewise.
8204 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
8205 move_operand, v8plus_regcmp_op, emit_move_sequence,
8206 singlemove_string, doublemove_string, mem_aligned_8,
8207 output_move_double, output_move_quad, output_fp_move_double,
8208 move_quad_direction, output_fp_move_quad, output_scc_insn):
8210 (small_int_or_double): New predicate.
8211 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
8212 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
8213 old pic_{sethi,lo_sum}_si patterns.
8214 (mem_min_alignment): New generic function to replace
8215 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
8216 available and can test for arbitrary alignments. All callers
8218 (save_regs, restore_regs, build_big_number,
8219 output_function_prologue, output_cbranch, output_return,
8220 sparc_flat_save_restore, sparc_flat_output_function_prologue,
8221 sparc_flat_output_function_epilogue): Prettify
8223 (output_function_epilogue): Likewise and add code to output
8224 deferred case vectors.
8225 (output_v9branch): Likewise, add new arg INSN and use it to tack
8226 on branch prediction settings. All callers changed.
8227 (print_operand): Likewise and output %l44 for LO_SUMs when
8229 (sparc_splitdi_legitimate): New function to make sure DImode
8230 splits can be run properly when !arch64.
8231 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
8232 Reformat example code in comments.
8233 (set_extends): Remove UNSPEC/v8plus_clear_high case.
8234 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
8235 of deferred case vectors we need to output.
8236 (sparc_defer_case_vector): Record a case vector.
8237 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
8238 sparc_output_deferred_case_vectors): New functions to output them.
8239 (sparc_emit_set_const32): New function to form 32-bit constants in
8240 registers when that requires more than one instruction.
8241 (safe_constDI, sparc_emit_set_const64_quick1,
8242 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
8243 analyze_64bit_constant, const64_is_2insns,
8244 create_simple_focus_bits, sparc_emit_set_const64): New functions
8245 which do the same for 64-bit constants when arch64.
8246 (sparc_emit_set_symbolic_const64): New function to emit address
8247 loading for all code models on v9.
8248 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
8249 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
8250 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
8251 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
8252 inaccuracies in comments, add symbolic and text_segment operands
8253 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
8254 GENERAL_REGS in these cases as a temp REG is needed to load these
8255 addresses into a register properly.
8256 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
8258 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
8259 quads are guarenteed to have 16-byte alignment.
8260 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
8261 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
8262 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
8263 deferred case vector implementation.
8264 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
8265 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
8266 Generate "internal label - label" instead of "label - 1b".
8267 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
8268 (PREDICATE_CODES): Remove sparc_operand, move_operand,
8269 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
8271 (doublemove_string, output_block_move, output_fp_move_double,
8272 output_fp_move_quad, output_move_double, output_move_quad,
8273 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
8274 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
8275 (sparc_emit_set_const32, sparc_emit_set_const64,
8276 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
8277 mem_min_alignment, small_int_or_double): Add externs.
8278 * config/sparc/sparc.md: Document the many uses of UNSPEC and
8279 UNSPEC_VOLATILE in this backend.
8280 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
8281 unary to types which execute in it.
8282 (define_function_unit ieu_shift): Rename to ieu0.
8283 (define_function_unit ieu1): New, executes compare, call, and
8284 uncond_branch type insns.
8285 (define_function_units for type fdivs, fdivd, fsqrt): These
8286 execute in the fpu multiply unit not the adder on UltraSparc.
8287 (define_expand cmpdi): Disallow TARGET_V8PLUS.
8288 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
8289 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
8290 allows the arith_double_operand predicate and rHI constraint when
8292 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
8293 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
8294 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
8295 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
8296 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
8297 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
8298 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
8299 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
8300 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
8301 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
8302 sign_extendqihi2_insn, sign_extendqisi2_insn,
8303 sign_extendqidi2_insn, sign_extendhidi2_insn,
8304 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
8305 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
8306 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
8307 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
8308 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
8309 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
8310 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
8311 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
8312 smulsi3_highpart_v8plus, unnamed subreg mult,
8313 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
8314 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
8315 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
8316 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
8317 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
8318 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
8319 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
8320 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
8321 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
8322 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
8323 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
8324 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
8325 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
8326 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
8327 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
8328 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
8329 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
8330 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
8331 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
8332 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
8333 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
8334 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
8335 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
8336 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
8337 call_address_untyped_struct_value_sp32,
8338 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
8339 call_value_symbolic_sp32, call_value_address_sp64,
8340 call_value_symbolic_sp64, branch_sp32, branch_sp64,
8341 flush_register_windows, goto_handler_and_restore,
8342 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
8343 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
8344 return_addsi, return_di, return_adddi, return_sf, all call+jump
8345 peepholes, trap, unnamed trap insns): Prettify output strings.
8346 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
8347 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
8348 Likewise and force + implement splits for integer cases.
8349 (define_insn return_sf_no_fpu): Likewise and allow to match when
8350 no-fpu because of our subreg SFmode splits.
8351 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
8352 zero_extendqidi2_insn, zero_extendhidi2_insn,
8353 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
8354 input_operand for second operand.
8355 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
8356 reg_or_0_operand for operand 2 so new splits can use it.
8357 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
8358 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
8360 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
8361 CONST_DOUBLEs for operand 2.
8362 (define_insn move_label_di): Likewise and label distance
8363 optimization because it no longer works with new deferred case
8364 vector scheme. To be revisited.
8365 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
8366 and allow reg_or_0_operand and J constraint for second operand.
8367 (define_insn jump): Set branch predict taken on V9.
8368 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
8369 new deferred case vector scheme.
8370 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
8371 (define_insn negdi2_sp32): Force + implement splits.
8372 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
8373 one_cmplsi2_not_liveg0 respectively, and create expander of original
8374 names which emit special rtl for TARGET_LIVE_G0.
8375 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
8376 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
8377 gen_compare_reg, FAIL instead.
8378 (define_insn sgtu, sleu): Likewise and check gen_s*() return
8379 values when trying to reverse condition codes, if they FAIL then
8381 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
8382 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
8383 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
8384 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
8385 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
8386 set output string to # to indicate they are mandatory splits.
8387 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
8388 pic_sethi_di, move_pic_label_si): Remove.
8389 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
8390 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
8392 (define_expand movsi_pic_label_ref, define_insn
8393 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
8394 expander and insns to handle PIC label references and deferred
8396 (define_insn get_pc_via_rdpc): Comment out as it is no longer
8398 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
8399 Rewrite to not use emit_move_sequence, make use of new constant
8400 formation code, and new splits for all multi-insn cases.
8401 (define_insn movqi_insn): Remove sethi case, it can never happen.
8402 Use reg_or_zero_operand instead of const0_rtx explicit test,
8403 use input_operand instead of move_operand for source, and use
8404 general_operand now for dest.
8405 (define_insn movhi_insn): Similar but leave sethi case.
8406 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
8407 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
8408 movhi_lo_sum respectively, prettify output string.
8409 (define_insn movsi_zero_liveg0): New pattern to put zero into a
8410 register when needed on TARGET_LIVE_G0.
8411 (define_insn movsi_insn): Use general_operand and input_operand
8412 for dest and src respectively. Simplify applicability test.
8413 Prettify output strings, and add clr alternative for J
8415 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
8416 deprecated std and reg-reg DI moves): Remove and...
8417 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
8418 implementation which uses forced splits for all non-single insn
8420 (define_split DI move cases on !arch64): New splits to handle all
8421 situations of 64-bit double register DImode on 32bit, and
8422 unaligned registers and memory addresses for all subtargets.
8423 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
8425 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
8426 input_operand for dest and src respectively, prettify output
8428 (define_insn movdf_insn, movdf_no_e_insn, store_df,
8429 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
8431 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
8432 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
8433 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
8434 movtf_no_e_insn_sp64) Replace with new
8435 implementation which uses forced splits for all non-single insn
8437 (define_split DF move cases): New splits in similar vein to DI
8439 (define_insn sethi_di_medlow, sethi_di_medium_pic,
8440 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
8441 movdi_sp64_insn): Remove old v9 code model and constant loading
8443 (define_insn pic_lo_sum_di, pic_sethi_di,
8444 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
8445 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
8446 embmedany_sethi, embmedany_losum, embmedany_brsum,
8447 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
8448 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
8449 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
8450 scheme, using unspecs, secondary reloads, and one to one sparc
8451 insn to rtl insn mapping for better scheduling and code gen.
8452 (define_expand reload_indi, reload_outdi): Reload helpers for
8453 MEDANY and EMBMEDANY symbol address loading cases which require a
8455 (define_expand movsicc): Remove v8plus_regcmp cases.
8456 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
8457 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
8458 cmp_diqi_trunc_set): New patterns used by some of the new scc
8460 (define_insn xordi3_sp64_dbl): New pattern used for constant
8461 formation when crossing from 32-bit targets.
8462 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
8464 (define_insn addx, subx): Make visible and prettify.
8465 (define_insn adddi3_insn_sp32): Likewise and force split.
8466 (define_insn addx_extend, subx_extend, unnamed): New patterns for
8467 64bit scc split usage.
8468 (define_insn unnamed plusDI zero_extend, unnamed minusDI
8469 zero_extend, subdi3): Force and implement splits.
8471 * final.c (final_scan_insn): Don't output labels if target
8472 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
8475 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
8476 don't forget to walk inside SEQUENCESs too as these are what the
8477 delay slot scheduler will create.
8479 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
8481 * alpha.md (extxl+1,+2): New patterns to work around
8484 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
8486 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
8487 caused bad assembly code to be generated.
8489 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
8491 * netbsd.h: Fix typo.
8493 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
8495 * config.sub: Fix typo.
8497 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
8499 * invoke.texi (Environment Variables): Typo: Change "ascpects"
8501 (Running Protoize): Typo: Change "ther" into "other".
8503 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
8505 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
8506 * m68k/netbsd.h: Likewise.
8507 * ns32k/netbsd.h: Likewise.
8508 * sparc/netbsd.h: Likewise.
8510 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
8512 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
8513 * ginclude/va-clipper.h (va_list): Likewise.
8515 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
8517 * rs6000.c (rs6000_override_options): If big endian and -Os, use
8518 load/store multiple instructions unless user overrides.
8520 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
8522 * ns32k/netbsd.h: Fix typo.
8524 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
8526 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
8527 labels with .debugsym if no parallel insns.
8529 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
8531 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
8532 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
8534 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
8536 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
8537 (AR_FOR_TARGET): Define.
8539 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
8541 * dyn-string.h: New file.
8542 * dyn-string.c: Likewise.
8543 * Makefile.in (OBJS): Add dyn-string.o.
8544 (dwarf2out.o): Add dyn-string.h dependency.
8545 (dyn-string.o): List dependencies.
8546 * dwarf2out.c: Include dyn-string.h.
8547 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
8548 (addr_const_to_string): Take a dyn_string_t, not a char* as a
8549 prototype. Use dyn_string_append rather than strcat, throughout.
8550 (addr_to_string): Use dyn_string_t.
8552 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
8554 Function entry/exit profiling instrumentation:
8555 * expr.h (profile_function_entry_libfunc,
8556 profile_function_exit_libfunc): Declare new variables.
8557 * optabs.c: Define them here.
8558 (init_optabs): Initialize them.
8559 * tree.h (struct tree_decl): New flag
8560 no_instrument_function_entry_exit.
8561 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
8562 * c-decl.c (duplicate_decls): Merge it.
8563 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
8564 (init_attributes): Use it for "no_instrument_function".
8565 (decl_attributes): Handle it, for functions that have not yet been
8566 compiled. Set decl flag.
8567 * flags.h (flag_instrument_function_entry_exit): Declare new
8569 * toplev.c (flag_instrument_function_entry_exit): Define it here.
8570 (f_options): New option "instrument-functions".
8571 * function.h (struct function): New field instrument_entry_exit.
8572 * function.c (current_function_instrument_entry_exit): New
8574 (push_function_context_to, pop_function_context_from): Save and
8576 (expand_function_start): Set current_ variable, maybe emit return
8577 label and entry profile call.
8578 (expand_function_end): Maybe emit exit profile call.
8580 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
8582 * i386.md (movqi): When optimizing a load of (const_int 1) into a
8583 NON_QI_REG_P, pretend the register is SImode.
8585 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
8587 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
8588 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
8589 manufacturer id for ns32k.
8590 * configure: Regenerated.
8591 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
8592 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
8593 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
8594 * config/m68k/netbsd.h: Same.
8595 * config/ns32k/netbsd.h: Same.
8596 * config/sparc/netbsd.h: Same.
8598 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
8600 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
8601 or UNROLL_COMPLETELY loop that starts with a jump to its
8604 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
8606 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
8607 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
8608 (print_operand, case 'B'): Don't fall through.
8609 (print_operand, case 'S'): Correct mask begin/end computation.
8610 Use HOST_BITS_PER_WIDE_INT.
8611 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
8612 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
8613 * rs6000/aix41.h (CPP_PREDEFINES): Same.
8614 * rs6000/aix43.h (CPP_PREDEFINES): Same.
8616 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
8618 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
8619 constraint from second alternative.
8621 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8623 * configure.in: Fix --without/--disable cases for local-prefix,
8624 gxx-include-dir and checking.
8626 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8628 * configure.in (enable_haifa): Set by default for sparc64 too.
8631 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8633 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
8634 * i386/winnt.c (associated_type): New fn.
8635 (i386_pe_valid_type_attribute_p): New fn.
8636 (i386_pe_check_vtable_importexport): Remove.
8637 (i386_pe_dllexport_p): Use associated_type.
8638 (i386_pe_dllimport_p): Likewise.
8640 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
8641 * i386.c (i386_valid_type_attribute_p): Also accept
8642 attributes for METHOD_TYPEs.
8644 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
8646 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
8648 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
8650 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
8652 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
8653 them from generating a new base name for each occurence of
8656 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
8658 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
8660 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
8664 * cplus-dem.c (type_kind_t): New type.
8665 (demangle_template_value_parm): Add type_kind_t parameter. Rely
8666 on this paramter, rather than demangling the type again.
8667 (demangle_integral_value): Pass tk_integral.
8668 (demangle_template_: Pass the value returned from do_type.
8669 (do_type): Return a type_kind_t. Pass tk_integral to
8670 demangle_template_value_parm for array bounds.
8671 (demangle_fund_type): Likewise.
8673 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
8675 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
8678 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
8680 * pa.c (move_operand): Accept CONSTANT_P_RTX.
8682 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
8684 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
8686 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
8689 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
8691 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
8692 (DEBUGGER_ARG_OFFSET): Likewise.
8694 * mn10300.md (movsf): Remove last change. Not needed.
8696 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
8698 * c-lex.c (yylex): Fix boundary conditions in character literal and
8699 string literal loops.
8701 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
8703 * longlong.h (count_leading_zeros): Sparclite scan instruction was
8704 being invoked incorrectly.
8706 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
8707 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
8709 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
8710 * configure.in: Added i[34567]86-*-win32
8711 * config.sub: Ditto.
8712 * configure: Rebuilt.
8714 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
8716 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
8717 the frame pointer and compiling PIC code and reload has not completed.
8719 * i386.c (output_to_reg): Add code to emulate non-popping DImode
8722 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
8724 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
8726 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8728 * Makefile.in (install-info): Only try to update the info
8729 directory file if it exists in the first place.
8731 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
8733 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
8735 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
8737 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
8738 CONST_DOUBLE source.
8740 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
8742 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
8743 strings as the insertion of USER_LABEL_PREFIX.
8744 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
8746 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
8749 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
8751 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
8752 already defined type.
8754 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
8756 * expr.c (check_max_integer_computation_mode): Allow conversions
8757 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
8758 (expand_expr): Likewise.
8760 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8762 * expr.c (expand_expr): Expand RETURN_EXPR.
8764 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
8766 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
8768 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
8770 * dwarf2out.c (output_aranges): Call stripattributes
8771 for TEXT_SECTION references.
8772 (output_line_info): Likewise.
8774 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8776 * profile.c (branch_prob): Call allocate_reg_info after outputting
8777 profile rtl in instrument_arcs.
8779 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
8781 * fixinc.irix (math.h): Install wrapper instead of copying.
8783 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8785 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
8786 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
8787 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
8788 lang_flag_0. Added documentation in the flag table.
8790 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
8792 * cccp.c (do_include): Fix vax c style include handling.
8794 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
8796 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
8798 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
8800 * fold-const.c (non_lvalue): Don't deal with null pointer
8802 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8804 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
8806 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
8807 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
8808 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
8809 (u_short_cint_operand): Same.
8810 (reg_or_cint_operand): Same.
8811 (logical_operand): Same.
8812 (input_operand): Same.
8813 (reg_or_short_operand): Use u_short_cint_operand.
8815 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
8817 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
8818 but keep the insns and splits. Adjust so when the ultimate destination
8819 is memory, use cvtql.
8821 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
8823 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
8825 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
8827 * gcc.c (do_spec): Call "error" not "warning".
8829 * configure.in: Fix minor problems with gas feature detection code.
8830 * configure: Rebuilt.
8832 * gcc.c (do_spec): Issue a warning for '%[]' usage.
8835 * gcc.c: Delete %[spec] support.
8836 (do_spec_1, case '('): Likewise.
8837 (do_spec_1, case '['): Call error.
8839 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
8841 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
8842 (CPP_SUBTARGET_SPEC): Default to empty string.
8843 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
8844 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
8845 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
8846 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
8848 * alpha/linux.h (CPP_PREDEFINES): Tidy.
8849 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
8850 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
8851 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
8852 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
8853 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
8854 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
8855 * alpha/vxworks.h: Likewise.
8857 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
8859 * mips.md (reload_outsi): Added missing REGNO call.
8860 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
8862 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
8863 another match_operator and compare the codes.
8865 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
8867 * MIPS multiply pattern fixes:
8868 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8869 Add union classes for HI, LO, or HILO plus general registers.
8870 (GENERATE_MADD): Deleted.
8871 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
8872 Add TARGET_MAD to condition.
8873 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
8874 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
8875 "*d" for accumulator, to give preference to LO initially but not
8878 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
8880 * configure.in (enable_c_mbchar): New configure option.
8881 (extra_cpp_objs): Always available now.
8883 * cexp.y (mbchar.h): #include it.
8884 (yylex): Handle Multibyte characters in character literals.
8886 * cccp.c (mbchar.h): #include it.
8887 (main): Set character set based on LANG environment variable.
8888 (rescan): Handle multibyte characters in comments.
8889 (skip_if_group): See above.
8890 (validate_else): See above.
8891 (skip_to_end_of_comment): See above.
8892 (macarg1): See above.
8893 (discard_comments): See above.
8894 (rescan): Handle multibyte characters in string and character literals.
8895 (collect_expansion): See above.
8896 (skip_quoted_string): See above.
8897 (macroexpand): See above.
8898 (macarg1): See above.
8899 (discard_comments): See above.
8900 (change_newlines): See above.
8902 * c-lex.c (mbchar.h): #include it.
8903 (GET_ENVIRONMENT): New macro.
8904 (init_lex): Set character set based on LANG environment variable.
8905 (yylex): Handle multibyte characters in character literals.
8906 (yylex): Handle multibyte characters in string literals.
8908 * Makefile.in (mbchar.o): New target.
8909 (cccp$(exeext)): @extra_cpp_objs@ is always available.
8910 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
8912 * mbchar.[ch]: New files for multibyte character handling.
8914 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8916 * jump.c (jump_optimize): When simplifying noop moves and
8917 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
8918 the PUSHes to rewrite in second loop as we did in the first.
8920 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8922 * cplus-dem.c (demangle_nested_args): Make function definition
8923 static to match the prototype.
8925 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
8927 * alloca.c: Respect USE_C_ALLOCA.
8928 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
8929 * gengenrtl.c (xmalloc): Likewise.
8931 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
8933 * loop.h (struct induction): Add no_const_addval.
8934 * loop.c (the_movables, reg_address_cost): New variables.
8935 (init_loop): Init reg_address_cost.
8936 (loop_optimize): Call end_alias_analysis.
8937 (scan_loop): Init the_movables.
8938 (record_giv): Init induction->no_const_addval.
8939 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
8940 [REG]: Rearrange loop search test to catch more cases.
8941 (general_induction_var): Return success not benefit; take an extra
8942 argument for that. Change all callers.
8943 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
8944 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
8945 [default]: Search the_movables for additional combinations.
8946 (sge_plus_constant, sge_plus): New functions.
8947 (express_from_1): New function.
8948 (express_from): Always define. Rewrite using express_from_1.
8949 (combine_givs_p): Handle more cases. Ignore address cost.
8950 (cmp_combine_givs_stats): New function.
8951 (combine_givs_used_once, combine_givs_benefit_from): New functions.
8952 (combine_givs): Rewrite to do best-fit combination.
8954 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
8955 (fold): Do a complete (A*C)+(B*C) association check.
8957 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
8959 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
8961 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
8963 * mn10300.c (MODES_TIEABLE_P): Fix typo.
8965 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
8967 * tree.c (valid_machine_attribute): Only create a new type variant if
8968 there is a decl to use it.
8970 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
8972 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
8975 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
8977 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
8980 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
8982 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
8983 Simplify tests for clearing an address register.
8984 (expand_prologue): Corresponding changes.
8986 * mn10300.md (movXX patterns): Make sure the destination is an
8987 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
8988 (logical patterns): Split into expanders + patterns
8989 (zero and sign extension patterns): Similarly.
8990 (shift patterns): Similarly.
8992 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
8994 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
8995 for the sequence, recording base values.
8997 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
8999 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
9001 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
9003 * gcc.c: Remove ANSI-C ism from --help code.
9005 * toplev.c: Support --help with USE_CPPLIB.
9007 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
9009 * configure.in: Rework gas feature code to work with symlink based
9012 * extend.texi: Clarify some issues related to local variables
9013 assigned to explicit registers.
9015 * mn10300.md (mulsi): Turn into expander + pattern.
9017 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
9020 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
9022 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
9024 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
9026 * version.c: Bump again to distinguish mainline tree from the
9029 See ChangeLog.0 for earlier changes.
9032 add-log-time-format: current-time-string