1 Thu Jan 7 23:39:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3 * config/c4x/c4x.c (c4x_preferred_reload_class): Always return class.
5 Thu Jan 7 00:29:25 199 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7 * combine.c (num_sign_bit_copies): In NEG, MULT, DIV and MOD cases,
8 when a test can't be performed due to limited width of
9 HOST_BITS_PER_WIDE_INT, use the more conservative approximation.
10 Fix UDIV case for cases where the first operand has the highest bit
13 Thu Jan 7 00:01:38 1999 Lutz Vieweg <lkv@mania.robin.de>
15 * pa.h (reg_class): Add FPUPPER_REGS.
16 (REG_CLASS_NAMES): Similarly.
17 (REG_CLASS_CONTENTS): Similarly
18 (REGNO_REG_CLASS): Handle FPUPPER_REGS.
19 (FP_REG_CLASS_P): Likewise.
20 (REG_CLASS_FROM_LETTER): Similarly.
21 (CLASS_MAX_NREGS): Similarly.
23 1999-01-06 Brendan Kehoe <brendan@cygnus.com>
25 * fixincludes: For HP/UX 10.20, also look in curses_colr/curses.h
26 for a typedef of bool. Make sure to have a copy of the file is
27 in place before we look to fix it. Fix typo in variable name to
30 Wed Jan 6 07:51:05 1999 Richard Henderson <rth@cygnus.com>
32 * expr.c (expand_builtin) [case BUILT_IN_CONSTANT_P]: Use
33 value_mode for the return mode.
35 Wed Jan 6 17:55:19 1999 Robert Lipe <robertlipe@usa.net>
37 * configure.in: New flag --with-dwarf2. If set, enables DWARF-2
40 * config/tm-dwarf2.h: New file.
42 Wed Jan 6 16:08:54 1999 Jeffrey A Law (law@cygnus.com)
44 * h8300.h (ASM_OUTPUT_LABELREF): Define.
46 * pa.h (DONT_RECORD_EQUIVALENCE): Kill.
47 * local-alloc.c (update_equiv_regs): Corresponding changes.
48 * tm.texi (DONT_RECORD_EQUIVALENCE): Kill.
50 * calls.c (special_function_p): Push alloca test inside the large
51 conditional which excludes functions not at file scope or not
54 * calls.c (special_function_p): New function broken out of
56 (precompute_register_parameters): Likewise.
57 (store_one_arg): Likewise.
58 (store_unaligned_argumetns_into_pseudos): Likewise.
59 (save_fixed_argument_area): Likewise.
60 (restore_fixed_argument_area): Likewise.
61 (expand_call): Corresponding changes.
63 Wed Jan 6 10:43:29 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
65 * config/m68k/m68k.c (const_uint32_operand): Remove CONSTANT_P_RTX
67 (const_sint32_operand): Likewise.
69 Wed Jan 6 09:44:51 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
71 * toplev.h: In addition to checking _JBLEN, also check if `setjmp'
72 is a macro when deciding if we can use `jmp_buf' in prototypes.
74 Thu Jan 7 00:12:24 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
76 * config/c4x/c4x.md (addqi3): If the destination operand is
77 a hard register other than an extended precision register,
78 emit addqi3_noclobber.
79 (*addqi3_noclobber_reload): New pattern added so that reload
80 will recognise a store of a pseudo, equivalent to the sum
81 of the frame pointer and a constant, as an add insn.
83 Wed Jan 6 03:18:53 1999 Mark Elbrecht <snowball3@usa.net.
85 * configure.in (pc-msdosdjgpp): Set x_make to x-go32.
87 * i386/xm-go32.h: Define LIBSTDCXX.
89 * i386/go32.h (MD_EXEC_PREFIX): Define.
90 (FILE_NAME_ABSOLUTE_P): Define.
91 (LINK_COMMAND_SPEC): Define.
93 Wed Jan 6 02:23:36 1999 "Charles M. Hannum" <root@ihack.net>
95 * expr.c (store_expr): If the lhs is a memory location pointed
96 to be a postincremented (or postdecremented) pointer, always
97 force the rhs to be evaluated into a pseudo.
99 Wed Jan 6 00:54:21 1999 Geoff Keating <geoffk@ozemail.com.au>
101 * real.c (mtherr): Print more reasonable warning messages.
103 Tue Jan 5 21:57:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
105 * Makefile.in (gcc.o, prefix.o, cccp.o, cpplib.o): Depend on prefix.h.
107 * cccp.c: Include prefix.h, don't prototype prefix.c functions.
108 (new_include_prefix): Constify char* parameters.
110 * cppfiles.c (read_name_map): Likewise.
111 (append_include_chain): Likewise. Also, use a writable char* copy
112 of parameter `dir' which we then modify, rather than using the
113 parameter itself to store the new writable string.
114 (remap_filename): Constify some variables. Also, use a writable
115 char* to store an allocated string which we will be modifying.
117 * cpplib.c: Include prefix.h, don't prototype prefix.c functions.
118 (cpp_start_read): Constify variable `str'.
120 * cpplib.h (append_include_chain): Constify a char* parameter.
122 * gcc.c Include prefix.h, don't prototype prefix.c functions.
123 (add_prefix, save_string): Constify char* parameters.
124 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
126 * prefix.c: Include prefix.h.
127 (get_key_value, translate_name, save_string, update_path,
128 set_std_prefix): Constify various char* parameters and variables.
129 (save_string): Use xmalloc, not malloc.
130 (translate_name): Use a writable temporary variable to create and
131 modify a string before setting it to a const char*.
133 * prefix.h: New file to prototype functions exported from prefix.c.
135 Mon Jan 4 15:37:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
137 * cpplib.c (skip_if_group): Split out the logic that handles
138 directive recognition to its own function. Don't use
139 parse markers; use a bare pointer into the buffer. Use
140 copy/skip_rest_of_line instead of doing it by hand. Remove
141 `return on any directive' mode which was never used, and take
143 (consider_directive_while_skipping): New function, subroutine
144 of skip_if_group. Logic streamlined a bit.
145 (conditional_skip, do_elif, do_else): Call skip_if_group with
148 Mon Jan 4 15:27:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
150 * cpplib.c (do_undef): EOF immediately after '#undef FOO' is not an
153 Mon Jan 4 11:55:51 1999 Jason Merrill <jason@yorick.cygnus.com>
155 * extend.texi (Bound member functions): Document.
157 Mon Jan 4 11:01:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
159 * mips-tdump.c (st_to_string, sc_to_string, glevel_to_string,
160 lang_to_string, type_to_string): Make return type const char*.
161 (print_symbol): Apply `const' keyword to a char*.
162 (print_file_desc): Cast structure member `crfd' to ulong when
163 comparing against one.
165 * mips-tfile.c (pfatal_with_name): Apply `const' keyword to char*.
166 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
167 (progname, input_name): Apply `const' keyword to a char*.
168 Don't redundantly include sys/stat.h.
169 (alloc_info): Apply `const' keyword to a char*.
170 (st_to_string, sc_to_string): Likewise.
171 (hash_string): Cast variable `hash_string' to a symint_t when
172 comparing against one.
173 (add_string): Cast PAGE_USIZE to Ptrdiff_t when comparing against one.
174 Likewise cast it to long when comparing against one.
175 (add_local_symbol): Apply `const' keyword to a char*.
176 (add_ext_symbol): Likewise.
177 (add_unknown_tag): Likewise.
178 (add_procedure): Cast a printf-style field width to an int.
179 (add_file): Cast PAGE_USIZE to long when comparing against one
180 (parse_begin): Cast a printf-style field width to an int.
181 (parse_bend): Likewise.
182 (parse_def): Likewise.
183 (parse_end): Likewise.
184 (mark_stabs): Mark parameter `start' with ATTRIBUTE_UNUSED.
185 (parse_stabs_common): Fix format specifier.
186 (parse_input): Change type of variable `i' to Size_t.
187 (write_object): Fix arguments to match format specifiers.
188 Cast variable `num_write' to long when comparing against one.
189 (read_seek): Cast variable `sys_read' to symint_t when comparing
190 against one. Fix arguments to match format specifiers. Cast
191 variable `size' to long when comparing against one.
192 (copy_object): Cast result of `sizeof' to int when comparing
193 against one. Fix arguments to match format specifiers. Cast
194 variable `ifd' to long when comparing against a signed value.
197 Mon Jan 4 10:30:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
199 * c-common.c (decl_attributes): Allow applying attribute `unused'
202 * c-parse.in (label): Parse attributes after a label, and call
203 `decl_attributes' to handle them.
205 * gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
207 * genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
208 generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
210 * invoke.texi: Note that labels can be marked `unused'.
212 Sun Jan 3 23:32:18 PST 1999 Jeff Law (law@cygnus.com)
214 * version.c: Bump for snapshot.
216 Sun Jan 3 23:00:42 1999 Jeffrey A Law (law@cygnus.com)
218 * optabs.c (emit_cmp_and_jump_insns): Use CONSTANT_P canonicalizing
219 RTL for a compare/jump sequence.
221 Sun Jan 3 22:58:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
223 * optabs.c (emit_cmp_insn): Abort if asked to emit non-canonical RTL
224 for a target with HAVE_cc0 defined.
225 (emit_cmp_and_jump_insns): New function.
226 * expr.h (emit_cmp_and_jump_insns): Prototype it.
227 * loop.c (check_dbra_loop): Use it to replace calls
228 to emit_cmp_insn and emit_jump_insn and to canonicalise
229 the comparison if necessary.
230 * unroll.c (unroll_loop): Likewise.
232 Sun Jan 3 21:01:04 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
234 * fixincludes (sys/utsname.h): Provide forward declaration of
235 struct utsname on Ultrix V4.[35].
237 * mips.md (div_trap): Use local labels instead of dot-relative
240 Sun Jan 3 20:40:34 1999 Jeffrey A Law (law@cygnus.com)
242 * pa.md (branch, negated branch): Handle (const_int 0) as first
244 * pa.c (output_cbranch): Likewise.
246 Sun Jan 3 03:20:38 1999 David Edelsohn <edelsohn@mhpcc.edu>
248 * rs6000.c (rs6000_stack_info): Undo spurious part of last
251 1999-01-01 Manfred Hollstein <manfred@s-direktnet.de>
253 * extend.texi (__builtin_constant_p): Add missing @smallexample.
255 Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com)
257 * i386.md (doubleword shifts): Fix dumb mistakes in previous change.
259 Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com)
261 * m68k.md (adddi_dilshr32): Allow all operands to be registers too.
262 (adddi_dishl32): Similarly.
264 * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers
265 for each insn in the skipped block.
267 * reload1.c (reload_as_needed): Verify that the insn satisfies its
268 constraints after replacing a register address with an autoincrement
269 address for reload inheritance purposes.
271 * i386.md (doubleword shifts): Avoid namespace pollution.
273 Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com>
275 * configure.in (FreeBSD ELF): Needs special crt files.
277 Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com>
279 * i386/xm-cygwin.h: change DIR_SEPARATOR to forward slash.
281 1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
283 * loop.c (check_dbra_loop): While reversing the loop, if the
284 comparison value has a VOID mode use the mode of the other operand
287 Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com>
289 * rs6000.md ({save,restore}_stack_function): Take 2 operands to
290 avoid warnings in compiling explow.c.
292 (patch from Ken Raeburn, raeburn@cygnus.com)
293 * rs6000.c (rs6000_stack_info): Force 8-byte alignment of
294 fpmem_offset. Compute total size after that, and then
295 rs6000_fpmem_offset using both values.
297 Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
299 * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
300 the future; indeed that already happens in some cases.
302 Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com>
304 * sparc.c (input_operand): Recognize (const (constant_p_rtx)).
305 (arith_operand): Remove constant_p_rtx handling.
306 (const64_operand, const64_high_operand): Likewise.
307 (arith11_operand, arith10_operand, arith_double_operand): Likewise.
308 (arith11_double_operand, arith10_double_operand, small_int): Likewise.
309 (small_int_or_double, uns_small_int, zero_operand): Likewise.
310 * sparc.h (PREDICATE_CODES): Likewise.
312 * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX.
314 Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>:
316 * rtl.def (CONSTANT_P_RTX): Clarify commentary.
317 * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
318 consider constant CONSTRUCTOR constant and to defer some cases
320 * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
321 * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
323 Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com>
325 * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
326 * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
328 * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling.
329 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
330 (sext_add_operand, and_operand, or_operand): Likewise.
331 (reg_or_cint_operand, some_operand, input_operand): Likewise.
332 * alpha.h (PREDICATE_CODES): Likewise.
334 Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com)
336 * version.c: Bump for snapshot.
338 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
340 * gengenrtl.c (gencode): Always use bzero to clear memory instead
341 of dangerous casts and stores.
343 * Makefile.in (compare, gnucompare): Add missing else true clauses.
345 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
347 * alpha.md (builtin_longjmp): Add missing "DONE".
349 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
351 * gcc.c (execute): Enable -pipe with win32.
353 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
355 * config/arm/t-arm-elf: Add multiplib option for leading
358 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
359 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
361 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
362 than variable 'reload_address_base_reg_class'. [Note this
363 change is unrelated to the others in this patch].
365 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
368 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
370 * alias.c (record_alias_subset): Remove ignored `&'.
371 (init_alias_once): Likewise.
373 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
375 * config/mips/mips.c (mips_asm_file_end): Cast the result of
376 fwrite to `int' when comparing against one.
378 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
379 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
381 * cse.c (rehash_using_reg): Change type of variable `i' to
384 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
387 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
389 * final.c (final_scan_insn): Likewise for variable `i'.
390 (output_asm_insn): Cast a char to unsigned char when used as an
393 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
396 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
398 * recog.c (preprocess_constraints): Cast a char to unsigned char
399 when used as an array index.
401 * regmove.c (find_matches): Likewise.
403 * reload1.c (calculate_needs): Add default case in switch.
404 (eliminate_regs_in_insn): Initialize variable `offset'.
405 (set_offsets_for_label): Change type of variable `i' to unsigned.
406 (reload_as_needed): Wrap variable `i' in macro check on
407 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
409 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
410 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
411 when comparing against one.
413 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
414 unsigned when comparing against one. Likewise for
415 GET_MODE_ALIGNMENT().
416 (layout_record): Cast record_align to int when comparing against a
418 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
421 * tree.c (get_identifier): Cast variable `len' to unsigned when
422 comparing against one.
423 (maybe_get_identifier): Likewise
425 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
427 * toplev.c (rest_of_compilation): Do not set reload_completed.
428 * reload1.c (reload): Set reload_completed before calling
429 cleanup_subreg_operands.
431 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
433 * reload1.c (emit_reload_insns): Check `set' not null before use.
435 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
437 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
440 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
442 * halfpic.c (half_pic_encode): Delete redundant code.
444 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
446 * toplev.c (main): Delete handling of -dM as a preprocessor
449 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
451 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
452 -dI, which are handled by the preprocessor.
454 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
456 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
457 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
459 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
461 * version.c: Bump for snapshot.
463 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
465 * version.c: Bump for snapshot.
467 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
469 * version.c: Bump for snapshot.
471 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
473 * genattr.c (fatal): Qualify a char* with the `const' keyword.
475 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
476 write_unit_name, write_eligible_delay, expand_units,
477 make_length_attrs, write_attr_case, find_attr,
478 make_internal_attr): Likewise.
479 * gencheck.c (tree_codes): Likewise.
480 * gencodes.c (fatal): Likewise.
481 * genconfig.c (fatal): Likewise.
482 * genemit.c (fatal): Likewise.
483 * genextract.c (fatal, walk_rtx, copystr): Likewise.
484 * genflags.c (fatal): Likewise.
485 * genopinit.c (fatal, optabs, gen_insn): Likewise.
486 * genoutput.c (fatal, error, predicates): Likewise.
487 * genpeep.c (fatal): Likewise.
488 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
489 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
491 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
493 * configure.in (with-fast-fixincludes): Fix whitespace.
494 * configure: Rebuilt.
496 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
497 asm() etc. function declarations in __DECC.
499 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
501 * expr.c (emit_move_insn_1): Only emit a clobber if the target
502 is a pseudo register.
504 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
506 * gcse.c: Include expr.h in order to get the prototype for
507 get_condition() which is used in delete_null_pointer_checks().
509 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
511 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
513 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
515 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
516 (ALL_CFLAGS): Delete SCHED_CFLAGS.
518 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
520 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
523 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
525 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
526 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
527 optimizations from the combiner.
529 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
531 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
533 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
535 * toplev.c (main): Disable optimize_size if a specific
536 optimization level is requested. Always set optimization
537 level to 2 if -Os is specified.
539 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
541 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
543 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
544 initialize it using fname.
546 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
548 * cpplib.c (do_include): Treat #include_next in the
549 primary source file as #include plus warning. Treat
550 #include_next in a file included by absolute path as an
551 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
553 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
555 * cccp.c: Don't define MIN/MAX anymore.
556 * cpplib.c: Likewise.
557 * machmode.h: Likewise.
558 * system.h: Provide definitions for MIN/MAX.
560 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
562 * fix-header.c: Don't define xstrdup here.
564 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
566 * loop.c (consec_sets_giv): New argument last_consec_insn.
567 (strength_reduce): Provide / use it.
569 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
571 * loop.h (loop_info): New field 'vtop'.
572 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
573 scanning loop for vtop.
574 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
575 (loop_iterations): Use them to determine if loop has a constant
576 number of iterations. Set loop_info->vtop. Don't subtract
577 common reg term from initial_value and final_value if have a
580 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
582 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
584 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
586 * mn10200.md (abssf2, negsf2): New expanders.
588 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
590 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
592 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
593 replaced by a CONCAT whoes components do not have the same
594 mode as the original SUBREG, use a new SUBREG to restore the
597 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
598 multiword complex values.
600 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
602 * cppalloc.c: Add xstrdup here.
603 * cpplib.h: Remove savestring prototype.
604 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
606 * cppfiles.c: s/savestring/xstrdup/ throughout.
608 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
610 * cpplib.c: Make all directive handlers read their own
612 (struct directive): Remove last two arguments from FUNC
613 member prototype. Remove `command_reads_line' member
615 (directive_table): Remove initializations of
616 command_reads_line flag. Pretty-print.
617 (eval_if_expression, do_define, do_line, do_include,
618 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
619 do_else, do_elif, do_sccs, do_assert, do_unassert,
620 do_warning): Take only two args.
622 (cpp_define): Call do_define with two args and the text to
623 define stuffed into a buffer.
624 (make_assertion): Call do_assert with two args.
625 (handle_directive): Call do_line with two args. Call
626 kt->func with two args. Remove command_reads_line
628 (do_define, do_undef, do_error, do_warning, do_pragma,
629 do_sccs): Read the rest of the line here.
630 (do_ident): Gobble rest of line, as cccp does.
631 (cpp_undef): New function.
632 (cpp_start_read): Call cpp_undef instead of do_undef.
634 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
636 * cpphash.h (union hash_value): Remove `keydef' member, add a
637 `struct hashnode *aschain' member for #assert.
639 * cpplib.c (struct tokenlist_list, struct
640 assertion_hashnode): Delete structure definitions.
641 (assertion_install, assertion_lookup, delete_assertion,
642 check_assertion, compare_token_lists, reverse_token_list,
643 read_token_list, free_token_list): Delete functions.
644 (parse_assertion): New function.
645 (cpp_cleanup): Don't destroy the assertion_hashtable.
647 (do_assert): Gut and rewrite. #assert foo (bar) places
648 entries for `#foo' and `#foo(bar)' in the macro hash table,
649 type T_ASSERT. The value union's `aschain' member is used
650 to chain all answers for a given predicate together.
651 (do_unassert): Also rewritten. Take an un-asserted
652 answer off the chain from its predicate and call
653 delete_macro on the hashnode, or walk a predicate chain
654 calling delete_macro on all the entries.
655 (cpp_read_check_assertion): Simply call parse_assertion to
656 get the canonical assertion name, and look that up in the
659 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
662 * cpphash.c (install): Use bcopy instead of an explicit loop
663 to copy the macro name.
665 * cppexp.c (cpp_lex): Convert the result of
666 cpp_read_check_assertion to a `struct operation' directly;
667 don't go through parse_number.
669 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
671 * loop.h (struct induction): Delete times_used member.
672 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
673 (n_times_used): Rename to n_times_set. Changed all users.
674 (scan_loop): Free reg_single_usage before strength reduction.
675 (record_giv, combine_givs): Remove handling of times_used member.
676 (combine_givs_used_once): Rename to:
677 (combine_givs_used_by_other) . Changed all callers.
679 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
681 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
682 instead of TREE_CODE_CLASS == 't'.
683 (gen_type_die): Likewise.
684 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
686 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
688 * real.c (endian): Disable last change unless
689 HOST_BITS_PER_WIDE_INT is greater than 32.
691 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
693 * output.h (force_data_section): New prototype.
694 * varasm.c (force_data_section): New function to force the
695 data section, regardless of what in_section thinks.
696 * dwarf2out.c (output_call_frame_info): Call force_data_section
697 since varasm may not realize we've changes sections.
699 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
701 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
702 after completeing reload.
704 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
705 deleted after reload.
707 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
709 * rtl.h (multiple_sets): Fix prototype.
710 * rtlanal.c (multiple_sets): Fix return type.
712 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
714 * version.c: Bump for snapshot.
716 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
718 * version.c: Bump for snapshot.
720 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
722 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
724 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
726 * rtl.h (recompute_reg_usage): Add second argument.
727 * flow.c (recompute_reg_usage): Likewise.
728 * toplev.c (rest_of_compilation): Supply second argument to
731 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
734 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
736 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
737 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
738 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
741 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
743 * rtlanal.c (multiple_sets): New function.
744 * rtl.h (multiple_sets): Declare it.
745 * local-alloc.c (wipe_dead_reg): Use it.
746 * global.c (global_conflicts): Likewise.
748 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
750 * global.c (record_conflicts): Don't use an array of shorts to
751 store an array of ints.
752 (global_conflicts): Likewise.
754 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
756 * alpha.c (alpha_expand_block_move): mode_for_size expects
757 bits, not bytes. Infer extra alignment from addressof.
759 1998-12-11 Michael Meissner <meissner@cygnus.com>
761 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
762 .sbss section, not .sdata.
764 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
766 * cccp.c: Do not #include <sys/stat.h> here; this is already done
768 * collect2.c: Likewise.
769 * cpplib.h: Likewise.
772 * getpwd.c: Likewise.
773 * protoize.c: Likewise.
774 * toplev.c: Likewise.
776 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
777 and don't try to define it here.
778 * Makefile.in (cppmain.o): Depend on machmode.h.
779 (cpplib.o): Likewise.
780 (cpperror.o): Likewise.
781 (cppexp.o): Likewise.
782 (cppfiles.o): Likewise.
783 (cpphash.o): Likewise.
784 (cppalloc.o): Likewise.
785 (fix-header.o): Likewise.
786 (scan-decls.o): Likewise.
788 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
790 * sh.c (print_operand): lookup interrupt_handler attribute instead
791 of relying on static variable.
792 * (calc_live_regs): Likewise.
793 * (sh_pragma_insert_attributes): Create interrupt_handler
794 attribute if a pragma was specified
795 * (sh_valid_machine_decl_attribute): Don't set static flag.
796 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
798 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
800 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
801 to determine if a register is live at a jump destination.
802 Everything is dead at a BARRIER.
804 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
806 * cse.c (simplify_unary_operation): Sign-extend constants when
807 they have the most significant bit set for the target.
808 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
810 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
811 HOST_WIDE_INT temporary before negating it.
812 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
814 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
816 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
819 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
821 * collect2.h: New header file for prototypes.
823 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
825 * collect2.c: Include collect2.h.
828 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
830 * flow.c: Update some comments.
832 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
834 * objc/objc-act.c (cpp_initialized): Removed.
835 (lang_init_options): Initialize cpplib.
836 (lang_decode_option): Move initialization of cpplib to
838 * c-lang.c: (parse_options,parse_in): Added.
839 (lang_init_options): Initialized cpplib here.
840 * c-decl.c (parse_options,cpp_initialized): Removed.
841 (c_decode_option): Move initialization of cpplib to
844 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
846 * reload1.c (reload_combine, reload_combine_note_store):
847 Make STORE_RUID always valid.
848 (reload_combine): Check if BASE is clobbered too early.
850 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
852 * reload.c (find_reloads): Display the insn that cannot be
855 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
857 * cccp.c (create_definition): Fix end of bufer logic.
859 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
861 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
862 pointer parameters changed to use the PARAMS() macro.
864 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
866 * except.h (struct handler_info): Add handler_number field.
867 * except.c (gen_exception_label): EH labels no longer need to be
868 on the permanent obstack.
869 (get_new_handler): Set the label number field.
870 (output_exception_table_entry): Regenerate handler label reference
871 from the label number field.
872 (init_eh): Remove a blank line.
873 * integrate.c (get_label_from_map): Labels no longer need to be
874 on the permanent obstack.
876 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
878 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
879 only when OUTER_CODE is SET.
881 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
883 * loop.c (strength_reduce): If scan_start points to the loop exit
884 test, be wary of subversive use of gotos inside expression statements.
885 Don't set maybe_multiple for a backward jump that does not
886 include the label under consideration into its range.
887 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
889 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
891 * explow.c (plus_constant_wide): Don't immediately return with
892 result of recursive call.
894 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
896 * eh-common.h (struct eh_context): Add table_index for rethrows.
898 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
899 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
900 processed when inlined or unrolled (ie duplicated in some way).
902 * rtl.c (reg_note_name): Add strings for new reg_note enums.
904 * expr.h (rethrow_libfunc): New library decl.
906 * optabs.c (rethrow_libfunc): Initialize.
908 * except.h (struct eh_entry): Add new field 'rethrow_label'.
909 (new_eh_region_entry): No longer exported from except.c.
910 (duplicate_handlers): Renamed to duplicate_eh_handlers and
912 (rethrow_symbol_map, rethrow_used): New exported functions.
913 (eh_region_from_symbol): New exported function.
915 * except.c (create_rethrow_ref): New function to create a single
916 SYMBOL_REF for a rethrow region.
917 (push_eh_entry): Initialize a rethrow ref.
918 (func_eh_entry): Add a rethrow_label field.
919 (new_eh_region_entry): Make static, and initialize the rethrow entry.
920 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
921 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
922 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
923 a region into an appropriate new symbol.
924 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
925 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
926 (end_catch_handler): Emit a barrier for new-exceptions since
927 control can never drop through the end of a catch block.
928 (expand_end_all_catch): new-exceptions never fall through a catch
930 (expand_rethrow): use __rethrow routine for new exceptions.
931 (output_exception_table_entry): Generate rethrow labels, if needed.
932 (output_exception_table): Generate start and end rethrow labels.
933 (init_eh): Create rethrow symbols for beginning and end of table.
934 (scan_region): Don't eliminate EH regions which are the targets of
937 * flow.c (make_edges): Add different edges for rethrow calls,
938 identified by having the REG_EH_RETHROW reg label.
939 (delete_unreachable_blocks): Don't delete regions markers which are
940 the target of a rethrow.
942 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
943 allow save_for_inline_copying to call duplicate_eh_handlers.
944 (save_for_inline_copying): Call duplicate_eh_handlers instead of
945 exposing internal details of exception regions.
946 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
947 (expand_inline_function_eh_labelmap): New callback routine to
948 allow expand_inline_function to call duplicate_eh_handlers.
949 (expand_inline_function): Call duplicate_eh_handlers instead of
950 exposing internal details of exception regions.
951 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
954 * libgcc2.c (find_exception_handler): Generalize to enable it to
955 pick up processing where it left off last time for a rethrow.
956 (__unwinding_cleanup): New function. debug hook which is called before
957 unwinding when __throw finds there is nothing but cleanups left.
958 (throw_helper): Common parts of __throw extracted out for reuse.
959 (__throw): Common parts moved to throw_helper.
960 (__rethrow): New function for performing rethrows.
962 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
964 * reload1.c (current_function_decl): Tweak declaration.
966 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
968 * c-decl.c (flag_isoc9x): Default off.
969 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
970 * cccp.c (print_help, main): Likewise.
971 * gcc.c (default_compilers): Update for -std=gnu*.
973 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
975 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
976 * demangle.h: Deleted.
978 * reload1.c (current_function_decl): Declare.
980 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
982 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
984 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
986 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
988 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
990 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
992 * configure: Rebuilt.
993 * system.h: If the *_unlocked functions are available use them
994 instead of the locked counterparts by defining macros.
995 * config.in: Regenerated.
997 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
999 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
1000 wrong and should only be used for dump related things, not
1001 debugging information, instead main_input_filename should be used.
1002 Also, reuse output_file_directive if possible.
1003 * i386/aix386ng.h (ASM_FILE_START): Likewise.
1004 * i386/isc.h (ASM_FILE_START): Likewise.
1005 * i386/win-nt.h (ASM_FILE_START): Likewise.
1006 * i386/sun386.h (ASM_FILE_START): Likewise.
1008 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
1010 * configure.in (mips*-*-linux*): Handle big and little endian
1012 * configure: Rebuilt.
1014 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
1016 * emit-rtl.c: Fix typo.
1018 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
1020 * reload1.c (eliminate_regs): Don't do anything, if we're not
1023 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
1025 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
1027 * mips/mips.c (mips_select_section): Add comment.
1029 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
1031 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
1032 characters in file names in #line to be consistent with #include
1033 handling. We support escape prcessing in the # 1 "..." version of
1034 the command. See also support in cp/lex.c.
1035 (handle_directive): Likewise.
1036 (do_line): Likewise.
1038 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
1040 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
1041 so it'll work on non-ASCII platforms. Always consider $ an
1042 identifier character. Take no arguments.
1043 (cpp_reader_init): Call initialize_char_syntax with no
1045 (cpp_start_read): Don't call initialize_char_syntax again.
1046 Clear is_idchar['$'] and is_idstart['$'] if not
1047 opts->dollars_in_ident.
1049 * cpplib.h (struct cpp_reader): Replace void *data element by
1050 cpp_options *opts. Rearrange elements to make gdb printout
1051 less annoying (put buffer stack at end).
1052 (CPP_OPTIONS): Get rid of now-unnecessary cast.
1054 * cppmain.c: s/data/opts/ when initializing cpp_reader
1056 * c-decl.c: Likewise.
1057 * objc/objc-act.c: Likewise.
1058 * fix-header.c: Likewise.
1060 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
1062 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
1063 with a struct file_name_list pointer.
1064 (struct cpp_reader): Add pointer to chain of `actual
1065 directory' include searchpath entries.
1066 (struct file_name_list): Add *alloc pointer for the sake of
1067 the actual-directory chain.
1069 Move definition of HOST_WIDE_INT here.
1070 (cpp_parse_escape): Change prototype to match changes in
1073 * cppfiles.c (actual_directory): New function.
1074 (finclude): Use it to initialize the buffer's actual_dir
1076 (find_include_file): We don't need to fix up max_include_len
1079 * cpplib.c (do_include): Don't allocate a file_name_list on
1080 the fly for current directory "" includes, use the one that's
1081 been preallocated in pfile->buffer->actual_dir. Hoist out
1082 duplicate code from the search_start selection logic.
1083 (cpp_reader_init): Initialize pfile->actual_dirs.
1085 Remove definition of HOST_WIDE_INT. Change calls
1086 to cpp_parse_escape to match changes in cppexp.c (note
1087 hardcoded MASK, which is safe since this is the source
1090 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
1091 to handle wide character constants in #if directives. The
1092 function now returns a HOST_WIDE_INT, and takes a third
1093 argument which is a binary mask for all legal values (0x00ff
1094 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
1095 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
1096 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
1098 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
1100 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
1102 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1104 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
1105 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
1106 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
1108 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
1110 * final.c (output_asm_name): Use tabs to seperate comments from
1113 Include instruction lengths (if defined) in output.
1115 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1117 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
1118 in the loop_info structure.
1120 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
1122 * configure.in: (arm*-*-ecos-elf): New target.
1123 * configure: Regenerated.
1124 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
1125 * config/arm/ecos-elf.h: New file.
1126 * config/arm/unknown-elf.h (TARGET_VERSION): Check
1129 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1131 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
1133 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
1135 * version.c: Bump for snapshot.
1137 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1139 * loop.c (check_dbra_loop): New argument loop_info. Update fields
1142 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
1144 * version.c: Bump for snapshot.
1146 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1148 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
1149 compressed reports are ok and preferred over URLs
1151 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1153 * invoke.texi (Warning Options): Soften the tone of -pedantic
1155 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
1157 * print-rtl.c (print_rtx): Add prototype.
1159 * unroll.c (iteration_info): Make it static.
1161 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
1163 * alias.c (memrefs_conflict_p): A second ANDed address
1164 disables the aligned address optimization.
1166 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
1168 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
1171 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
1173 * i960.h (BOOL_TYPE_SIZE): Define.
1175 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1177 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
1178 from old valid_parallel_operands_4.
1179 (valid_parallel_operands_4): Check that operands for 4 operand
1180 parallel insns are valid, excluding load/store insns.
1181 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
1182 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
1183 valid_parallel_load_store instead of valid_parallel_operands_4.
1184 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
1185 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
1186 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
1187 *notqi_movqi_clobber): Use valid_parallel_operands_4.
1188 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
1189 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
1190 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
1192 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1194 * config/c4x/c4x.c (iteration_info): Delete extern.
1196 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1198 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
1200 * final.c (cleanup_subreg_operands): Delete some unused code.
1202 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
1203 (struct insn_alternative): New structure definition.
1204 (recog_op_alt): Declare variable.
1205 (preprocess_constraints): Declare function.
1206 * recog.c (recog_op_alt): New variable.
1207 (extract_insn): Verify number of alternatives is in range.
1208 (preprocess_constraints): New function.
1209 * reg-stack.c: Include recog.h.
1210 (constrain_asm_operands): Delete.
1211 (get_asm_operand_lengths): Delete.
1212 (get_asm_operand_n_inputs): New function.
1213 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
1214 N_OUTPUTS args. All callers changed.
1215 Compute number of inputs and outputs here by calling
1216 get_asm_operand_n_inputs.
1217 Instead of constrain_asm_operands, call extract_insn,
1218 constrain_operands and preprocess_constaints. Use information
1219 computed by these functions throughout.
1220 (record_reg_life): Delete code that is unused due to changes in
1221 record_asm_reg_life.
1222 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
1223 N_INPUTS and N_OUTPUTS args. All callers changed.
1224 Similar changes as in record_asm_reg_life.
1225 (subst_stack_regs): Move n_operands declaration into the if statement
1227 Delete code that is unused due to changes in subst_asm_stack_regs.
1228 * stmt.c (expand_asm_operands): Verify number of alternatives is in
1230 * Makefile.in (reg-stack.o): Depend on recog.h.
1232 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
1234 * except.c (set_exception_version_code): Argument is an "int".
1236 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
1238 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
1239 * configure: Rebuilt.
1241 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
1243 * configure.in (mipsel-*-linux*): New target.
1244 * mips/linux.h: New file, based on other Linux targets.
1246 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
1248 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
1249 runs in the context of the deleter, not the deletee, so we must
1250 use taskVarGet to find the correct memory to free.
1251 (__gthread_key_create): Initialize the task
1252 variable subsystem so that the task variable is still active when
1253 the delete hook is run.
1255 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
1257 * pdp11.h: Use optimize_size for space optimizations.
1258 * pdp11.c: Likewise.
1259 * pdp11.md: Likewise.
1261 * pdp11.h (TARGET_40_PLUS): Fix typo.
1263 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
1265 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
1268 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1270 * alias.c (addr_side_effect_eval): New function.
1271 (memrefs_conflict_p): Use it.
1272 * rtl.h (addr_side_effect_eval): Prototype it.
1274 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
1276 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
1278 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
1280 * reload.c (find_reloads): When force const to memory, put result
1281 in substed_operand not *recog_operand_loc.
1283 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
1285 * c-lex.c: Fix indentation from last patch.
1286 Remove trailing whitespace.
1289 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
1291 * flow.c (delete_block): Call set_last_insn after we have reset
1292 NEXT_INSN (kept_tail).
1294 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
1296 * mips.md (trap_if): Use "$0" for the value zero.
1298 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
1299 Stephen L Moshier <moshier@world.std.com>
1300 Richard Henderson <rth@cygnus.com>
1302 * c-common.c (declare_function_name): Declare predefinied variable
1305 * c-decl.c (flag_isoc9x): Set to 1 by default.
1306 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
1307 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
1309 * c-parse.in: Allow constructors in ISO C 9x.
1310 Rewrite designator list handling.
1311 Allow [*] parameters.
1312 Don't warn about comma at end of enum definition for ISO C 9x.
1314 * cccp.c (c9x): New variable.
1315 (rest_extension): New variable.
1316 (print_help): Document new -std= option.
1317 (main): Recognize -std= option. Set c9x appropriately.
1318 (create_definition): Recognize ISO C 9x vararg macros.
1320 * gcc.c (default_compilers): Adjust specs for -std options.
1321 (option_map): Add --std.
1322 (display_help): Document -std.
1324 * toplev.c (documented_lang_options): Add -std and remove
1327 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
1328 or REAL_VALUE_HTOF based on base of the constants.
1329 * fold-const.c (real_hex_to_f): New function. Replacement function
1330 for hex FP conversion if REAL_ARITHMETIC is not defined.
1331 * real.c (asctoeg): Add handling of hex FP constants.
1332 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
1335 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
1337 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
1338 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
1339 expansion. Use hi/lo as destination register.
1341 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
1342 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
1343 Avoid as macro expansion. Use hi/lo as destination register.
1345 * mips.h (MASK_CHECK_RANGE_DIV): New.
1346 (MASK_NO_CHECK_ZERO_DIV): New.
1347 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
1348 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
1349 return address for leaf functions out of r31 to support
1350 builtin_return_address.
1352 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1354 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
1355 NEXT_INSN(x) to check insn x.
1357 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
1359 * flow.c (delete_block): Call set_last_insn if we end up deleting the
1360 last insn in the rtl chain.
1362 * reload1.c (reload): Do not set reload_completed or split insns
1364 * toplev.c (rest_of_compilation): Set reload_completed after
1365 reload returns. Split insns after reload_cse has run.
1367 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
1369 * final.c (final_scan_insn): Abort if block_depth falls below 0.
1371 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
1373 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
1375 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
1377 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
1378 use of user-label_prefix.
1380 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1382 * reload1.c (emit_reload_insns): Clear spill_reg_store
1383 when doing a new non-inherited reload from the same pseudo.
1385 * local-alloc.c (function_invariant_p): New function.
1386 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
1387 to decide if an equivalence should be recorded.
1388 * reload1.c (num_eliminable_invariants): New static variable.
1389 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
1390 to decide if an equivalence should be recorded.
1392 (calculate_needs_all_insns): Skip insns that only set an equivalence.
1393 Take num_eliminable_invariants into account when deciding
1394 if register elimination should be done.
1395 (reload_as_needed): Take num_eliminable_invariants into account
1396 when deciding if register elimination should be done.
1397 (eliminate_regs): Handle non-constant reg_equiv_constant.
1398 * rtl.h (function_invariant_p): Declare.
1400 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
1402 * version.c: Bump for snapshot.
1404 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
1406 * version.c: Bump for snapshot.
1408 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
1410 * except.c (add_new_handler): Complain about additional handlers
1411 after one that catches everything.
1413 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
1415 * configure.in (alpha*-*-netbsd): Fix typo.
1416 * configure: Rebuilt.
1418 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1420 * system.h: Include libiberty.h.
1422 * c-aux-info.c: Remove prototypes for concat/concat3. Change
1423 function `concat' from fixed parameters to variable parameters,
1424 as is done in libiberty. All callers of concat/concat3
1425 changed to use the new `concat' with variable args.
1427 * cccp.c: Remove things made redundant by libiberty.h and/or
1428 conform to libiberty standards.
1430 * collect2.c: Likewise.
1431 * config/1750a/1750a.h: Likewise.
1432 * cppalloc.c: Likewise.
1433 * cppexp.c: Likewise.
1434 * cppfiles.c: Likewise.
1435 * cpphash.c: Likewise.
1436 * cpplib.c: Likewise.
1437 * dyn-string.c: Likewise.
1438 * fix-header.c: Likewise.
1441 * genattr.c: Likewise.
1442 * genattrtab.c: Likewise.
1443 * gencheck.c: Likewise.
1444 * gencodes.c: Likewise.
1445 * genconfig.c: Likewise.
1446 * genemit.c: Likewise.
1447 * genextract.c: Likewise.
1448 * genflags.c: Likewise.
1449 * gengenrtl.c: Likewise.
1450 * genopinit.c: Likewise.
1451 * genoutput.c: Likewise.
1452 * genpeep.c: Likewise.
1453 * genrecog.c: Likewise.
1454 * getpwd.c: Likewise.
1455 * halfpic.c: Likewise.
1457 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
1458 in NEED_DECLARATION_* macros.
1460 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
1461 conform to libiberty standards.
1462 (fatal): Fix const-ification of variable `format' in
1463 !ANSI_PROTOTYPES case.
1465 * prefix.c: Remove things made redundant by libiberty.h and/or
1466 conform to libiberty standards.
1468 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
1469 conflicting with function `spaces' from libiberty.
1471 * profile.c: Remove things made redundant by libiberty.h and/or
1472 conform to libiberty standards.
1473 * protoize.c: Likewise.
1476 * tlink.c: Likewise.
1477 * toplev.c: Likewise.
1478 * toplev.h: Likewise.
1481 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1483 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
1485 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1487 * README.C4X: Updated URLs.
1488 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
1489 (valid_parallel_operands_5): Remove unused variable.
1491 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1493 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
1495 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
1497 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
1498 which can be configured.
1499 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
1500 (Makefile): Pass actual LANGUAGES through the environment when
1502 (cstamp-h): Likewise.
1503 (config.status): Likewise.
1505 * configure.in (enable_languages): Add new configuration parameter
1506 "--enable-languages=lang1,lang2,...".
1507 (${srcdir}/*/config-lang.in): Change handling to configure only
1508 those directories, that the user might have enabled; default to
1509 "all" existing languages.
1510 * configure: Regenerate.
1512 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
1514 * rtlanal.c (regs_set_between_p): New function.
1515 * rtl.h (regs_set_between_p): Prototype it.
1516 * jump.c (jump_optimize): Use it instead of modified_between_p
1517 in the Sep 2 change.
1519 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
1520 Matthias Pfaller <leo@dachau.marco.de>
1522 * invoke.texi (Option Summary, NS32K Options): add description
1523 of NS32K specific options.
1525 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
1526 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
1527 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
1528 negdf2, absdf2): Use l instead of f since the double class and
1529 float class are no longer the same.
1530 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
1531 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
1532 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
1533 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
1535 (cmpsi, cmphi, cmpqi): use general_operand instead of
1536 non_immediate_operand. Removes erroneous assumption that can't
1538 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
1539 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
1541 (movstrsi, movstrsi1, movstrsi2): completely new block move
1543 (...): Patterns to exploit multiply-add instructions.
1544 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
1545 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
1546 patterns to exploit extended divide insns.
1547 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
1550 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
1551 float return values as well as simple scalar floats.
1552 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
1553 support new flag to denote 32381 fpu.
1554 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
1555 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
1557 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1558 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
1559 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
1560 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
1561 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
1562 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
1563 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
1564 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
1565 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
1566 fpu registers and special register classes for new 32381
1567 instructions dotf and polyf.
1568 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
1570 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
1571 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
1573 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
1574 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
1575 (REGISTER_MOVE_COST): move code to register_move_cost function for
1576 ease of coding and debugging.
1577 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
1578 LONG_FLOAT_REGO is likely spilled but not caught by default
1580 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
1581 instead of hard coded numbers in range check.
1582 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
1583 (...): Add prototypes for functions in ns32k.c but disable because
1584 of problems when ns32k.h is included in machine independant files.
1586 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
1587 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
1588 hard_regno_mode_ok, secondary_reload_class,
1589 print_operand, print_operand_address): new register scheme to
1590 include 32381 fpu registers and special register classes for new
1591 32381 instructions dotf and polyf.
1592 (gen_indexed_expr): Make static to keep namespace clean.
1593 (check_reg): remove since never called.
1594 (move_tail, expand_block_move): helper functions for "movstrsi"
1596 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
1597 Increase cost of moves which go via memory.
1598 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
1599 (CPP_PREDEFINES): nolonger predefine "unix".
1601 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
1602 Remove erroneous %$. print_operand() can work out from the rtx is
1603 an immediate prefix is required.
1605 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
1606 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
1607 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
1609 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
1612 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
1613 Correct handling of pic operands.
1614 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
1615 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
1616 -mrtd calling convention.
1618 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
1620 * gcc.c (option_map): Recognize --output-class-directory.
1622 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1624 * loop.h (precondition_loop_p): Added new mode argument.
1625 * unroll.c (precondition_loop_p): Likewise.
1626 (approx_final_value): Function deleted and subsumed
1627 into loop_iterations.
1628 (loop_find_equiv_value): New function.
1629 (loop_iterations): Use loop_find_equiv_value to find increments
1630 too large to be immediate constants. Also use it to find terms
1631 common to initial and final iteration values that can be removed.
1633 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1635 * loop.h (struct loop_info): Define new structure.
1636 (precondition_loop_p): Added prototype.
1637 (unroll_loop): Added new argument loop_info to prototype.
1638 (final_biv_value, final_giv_value): Added new argument n_iterations
1640 * loop.c (strength_reduce): Declare new structure loop_iteration_info
1641 and new pointer loop_info.
1642 (loop_n_iterations): Replace global variable by element in
1643 loop_info structure.
1644 (check_final_value): New argument n_iterations.
1645 (insert_bct): New argument loop_info.
1646 (loop_unroll_factor): Replace global array by element in
1647 loop_info structure.
1648 (loop_optimize): Remove code to allocate and initialise
1649 loop_unroll_factor_array.
1650 * unroll.c (precondition_loop_p): No longer static since
1651 used by branch on count optimization.
1652 (precondition_loop_p, unroll_loop): New argument loop_info.
1653 (final_biv_value, final_giv_value, find_splittable_regs): New
1654 argument n_iterations.
1655 (loop_iteration_var, loop_initial_value, loop_increment,
1656 loop_final_value, loop_comparison_code, loop_unroll_factor):
1657 Replaced global variables by loop_info structure.
1658 (loop_unroll_factor): Replace global array by element in
1659 loop_info structure.
1661 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1663 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
1666 * unroll.c (precondition_loop_p): Return loop_initial_value
1667 for initial_value instead of loop_iteration_var.
1669 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1671 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
1672 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
1673 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
1674 to output the instruction sequences.
1676 (rptb_top): Provide alternatives to use any register or memory
1678 (rptb_end): Emit use of operands rather than assigning them
1679 explicitly to the RS and RE registers.
1681 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1683 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
1684 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
1685 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
1686 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
1687 c4x_merge_notes, c4x_parallel_process,
1688 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
1689 c4x_combine_parallel): Delete.
1691 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1693 * config/c4x/c4x.c: (c4x_override_options): For compatibility
1694 with old target options clear flag_branch_on_count_reg if
1695 -mno-rptb specified and set flag_argument_alias is -mno-aliases
1697 (c4x_output_cbranch): Handle a sequence of insns rather than a
1699 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
1700 has not been allocated as the loop counter.
1701 (c4x_address_conflict): Do not allow two volatile memory references.
1702 (valid_parallel_operands_4, valid_parallel_operands_5,
1703 valid_parallel_operands_6): Reject pattern if the register destination
1704 of the first set is used as part of an address in the second set.
1706 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1708 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
1709 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
1710 is no longer enabled if PARALLEL_MPY_FLAG set.
1711 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
1712 (REG_CLASS_CONTENTS): Add braces around initializers.
1713 (HAVE_MULTIPLE_PACK): Define.
1714 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
1715 REAL_VALUE_TO_DECIMAL.
1716 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
1717 REAL_VALUE_TO_DECIMAL.
1718 (ar0_reg_operand): Add prototype.
1719 (ar0_mem_operand): Likewise.
1720 (ar1_reg_operand): Likewise.
1721 (ar1_mem_operand): Likewise.
1722 (ar2_reg_operand): Likewise.
1723 (ar2_mem_operand): Likewise.
1724 (ar3_reg_operand): Likewise.
1725 (ar3_mem_operand): Likewise.
1726 (ar4_reg_operand): Likewise.
1727 (ar4_mem_operand): Likewise.
1728 (ar5_reg_operand): Likewise.
1729 (ar5_mem_operand): Likewise.
1730 (ar6_reg_operand): Likewise.
1731 (ar6_mem_operand): Likewise.
1732 (ar7_reg_operand): Likewise.
1733 (ar7_mem_operand): Likewise.
1734 (ir0_reg_operand): Likewise.
1735 (ir0_mem_operand): Likewise.
1736 (ir1_reg_operand): Likewise.
1737 (ir1_mem_operand): Likewise.
1738 (group1_reg_operand): Likewise.
1739 (group1_mem_operand): Likewise.
1740 (ir1_reg_operand): Likewise.
1741 (arx_reg_operand): Likewise.
1742 (not_rc_reg): Likewise.
1743 (not_modify_reg): Likewise.
1744 (c4x_group1_reg_operand): Remove prototype.
1745 (c4x_group1_mem_operand): Likewise.
1746 (c4x_arx_reg_operand): Likewise.
1748 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
1750 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
1751 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
1753 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1755 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
1758 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1760 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
1761 unless FMOVD_WORKS is defined.
1763 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1765 * regclass.c (init_reg_sets): Move code that calculates tables
1766 dependent on reg_class_contents from here...
1767 (init_reg_sets_1): To here.
1769 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1771 * cpplib.h: Delete struct import_file. Add ihash element to
1772 struct cpp_buffer. Delete dont_repeat_files and
1773 import_hash_table elements from cpp_reader; change
1774 all_include_files to a hash table. Delete all foobar_include
1775 / last_foobar_include elements from struct cpp_options; put
1776 back four such: quote_include, bracket_include,
1777 system_include, after_include. Redo struct file_name_list
1778 completely. Add new structure type include_hash. Add
1779 prototypes for merge_include_chains and include_hash. Change
1780 prototypes for finclude, find_include_file, and
1781 append_include_chain to match changes below.
1783 * cppfiles.c (simplify_pathname, include_hash,
1784 remap_filename, merge_include_chains): New functions.
1785 (add_import, lookup_import, open_include_file): Removed.
1786 (INO_T_EQ): Define this (copied from cccp.c).
1787 (hack_vms_include_specification): Remove all calls and #if 0
1788 out the definition. It was being called incorrectly and at
1789 the wrong times. Until a VMSie can look at this, it's better
1790 to not pretend to support it.
1791 (append_include_chain): Change calling convention; now takes
1792 only one directory at a time, and sets up the data structure
1794 (redundant_include_p): Rewritten - this is now used for all
1795 include redundancy, whether by #ifndef, #import, or #pragma
1796 once. Looks up things in the include hash table.
1797 (file_cleanup): Decrement pfile->system_include_depth here if
1799 (find_include_file): Calling convention changed; now passes
1800 around a struct include_hash instead of 3 separate parameters.
1801 Guts ripped out and replaced with new include_hash mechanism.
1802 (finclude): Calling convention changed as for
1803 find_include_file. Error exits pulled out-of-line. Reformat.
1804 (safe_read): Return a long, not an int.
1805 (deps_output): Don't recurse.
1807 * cpplib.c (is_system_include): Deleted.
1808 (path_include): Fix up call to append_include_chain.
1809 (do_include): Fix up calls to find_include_file and finclude.
1810 Clean up dependency output a bit. Shorten obnoxiously lengthy
1811 #import warning message. Don't decrement
1812 pfile->system_include_depth here.
1813 (do_pragma): Understand the include_hash structure. Reformat.
1814 (do_endif): Correct handling of control macros. Understand
1816 (cpp_start_read): Fix up calls to finclude. Call
1817 merge_include_chains.
1818 (cpp_handle_option): Fix up calls to append_include_chain.
1819 Understand the four partial include chains.
1820 (cpp_finish): Add debugging code (#if 0-ed out) for the
1822 (cpp_cleanup): Free the include_hash, not the import hash and
1823 the all_include and dont_repeat lists which no longer exist.
1825 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
1827 * toplev.c (no_new_pseudos): Define.
1828 (rest_of_compilation): Set no_new_pseudos as needed.
1829 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
1830 if no_new_pseudos is set.
1831 * rtl.h (no_new_pseudos): Declare it.
1832 * reload1.c (reload): Update comments.
1833 * md.texi: Corresponding changes.
1835 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1837 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
1838 (choose_reload_regs): Rename it here as well. When computing it,
1839 also merge in used hardregs.
1841 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
1843 * gcc.c: Split out Objective-C specs to...
1844 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
1847 * c-lex.c (init_parse): Always initialize the filename global.
1848 * objc/objc-act.c (lang_init): Always call check_newline at
1851 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
1853 * reload1.c (reload): Remove unused variable.
1854 (reload_reg_free_for_value_p): Add missing parameter definition.
1856 * jump.c (jump_optimize): Remove unused variable.
1858 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
1860 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
1862 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
1864 * expr.c (move_by_pieces): Similarly.
1865 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
1866 * flow.c (find_auto_inc): Similarly.
1867 (try_pre_increment): Similarly.
1868 * loop.c (strength_reduce): Similarly.
1869 * regclass.c (auto_inc_dec_reg_p): Similarly.
1870 * regmove.c (try_auto_increment): Similarly.
1871 (fixup_match_1): Similarly.
1872 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
1873 (HAVE_PRE_DECREMENT): Similarly.
1874 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
1875 * Corresponding changes to all target header files.
1876 * tm.texi: Update docs for autoinc addressing modes.
1878 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
1880 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
1881 * configure: Rebuild.
1882 * config/elfos.h: New file.
1883 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
1884 config/m68k/t-m68kelf: New file.
1886 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
1888 * Makefile.in (HOST_AR): Define.
1889 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
1890 (libcpp.a): Use the host tools explicitly.
1891 (STAGESTUFF): Add libcpp.a.
1893 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
1895 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
1896 to source and destination registers.
1898 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
1900 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
1901 The strategy we now use is to pre allocate the top_elt along
1902 with the EH context so that each thread has its own top_elt.
1903 This is necessary as the dynmanic cleanup chain is used on the
1904 top element of the stack and each thread MUST have its own.
1905 (eh_context_static): Likewise.
1906 (new_eh_context): Likewise.
1907 (__sjthrow): Likewise.
1909 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
1911 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
1912 * i386.md (prologue_get_pc): Remove unused variable.
1914 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
1916 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
1918 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
1920 * Makefile.in (OBJS): Add graph.o
1921 (graph.o): New dependency list.
1922 * flags.h: Declare dump_for_graph and define graph_dump_types type.
1923 * print-rtl.c (dump_for_graph): Define new variable.
1924 (print_rtx): Rewrite to allow use in graph dumping functions.
1925 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
1926 finish_graph_dump_file.
1927 Define graph_dump_format.
1928 (compile_file): If graph dumping is enabled also clear these files.
1929 Finish graph dump files.
1930 (rest_of_compilation): Also dump graph information if enabled.
1931 (main): Recognize -dv to enabled VCG based graph dumping.
1932 * graph.c: New file. Graph dumping functions.
1934 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
1936 * configure.in: Look for <sys/stat.h>.
1937 * system.h: Include it before substitute S_ISREG definitions.
1939 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
1941 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
1942 * config/mips/iris6.h: Same.
1943 * config/mips/mips.md: Same.
1944 * config/mips/mips.c: Same; also add "-mabi=o64" option.
1945 * config/mips/mips.h: Same; also define ABI_O64.
1947 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1949 * configure.in: Use AC_PREREQ(2.12.1).
1951 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
1953 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
1954 * cpplib.c, gcc.c: Likewise.
1955 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
1957 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
1959 * local-alloc.c (local_alloc): Use malloc not alloca for
1960 reg_qty, reg_offset, ref_next_in_qty.
1962 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1964 * caller-save.c (insert_one_insn): Initialize the live_before and
1965 live_after register sets.
1969 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
1970 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
1971 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
1972 (fp_reg_names, assembler_dialect): New variables.
1973 (print_operand_address): Handle SUBREGs.
1974 (print_operand): Added 'o' case.
1975 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
1976 Name of FP registers depends on mode.
1977 (expand_block_move): Emit different code for SH4 hardware.
1978 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
1979 (from_compare): Likewise.
1980 (add_constant): New argument last_value. Changed all callers.
1981 (find_barrier): Don't try HImode load for FPUL_REG.
1982 (machine_dependent_reorg): Likewise.
1983 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
1984 (gen_far_branch): Emit a barrier after the new jump.
1985 (barrier_align): Don't trust instruction lengths before
1987 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
1988 Use auto-inc addressing for fp registers if doubles need to
1989 be loaded in two steps.
1990 Set sh_flag_remove_dead_before_cse.
1991 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
1992 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
1993 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
1994 Support for FIRST_XD_REG .. LAST_XD_REG.
1995 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
1996 (sh_expand_epilogue): Likewise.
1997 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
1998 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
1999 (arith_reg_operand): FPUL_REG is OK for SH4.
2000 (fp_arith_reg_operand, fp_extended_operand) New functions.
2001 (tertiary_reload_operand, fpscr_operand): Likewise.
2002 (commutative_float_operator, noncommutative_float_operator): Likewise.
2003 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
2004 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
2005 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
2006 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
2007 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
2008 (CONDITIONAL_REGISTER_USAGE): Likewise.
2009 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
2010 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
2011 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
2012 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
2013 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
2014 to -1 and sh_flag_remove_dead_before_cse to 1.
2015 (ASSEMBLER_DIALECT): Define to assembler_dialect.
2016 (assembler_dialect, fp_reg_names): Declare.
2017 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
2018 Hide names of registers that are not accessible.
2019 (CACHE_LOG): Take TARGET_CACHE32 into account.
2020 (LOOP_ALIGN): Take TARGET_HARWARD into account.
2021 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
2022 (FIRST_PSEUDO_REGISTER: Now 49.
2023 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
2024 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
2025 (HARD_REGNO_MODE_OK): Update.
2026 (enum reg_class): Add DF_REGS and FPSCR_REGS.
2027 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
2028 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
2029 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
2030 (NPARM_REGS): Eight floating point parameter registers on SH4.
2031 (BASE_RETURN_VALUE_REG): SH4 also passes double values
2032 in floating point registers.
2033 (GET_SH_ARG_CLASS) Likewise.
2034 Complex float types are also returned in float registers.
2035 (BASE_ARG_REG): Complex float types are also passes in float registers.
2036 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
2037 (LIBCALL_VALUE): Remove trailing semicolon.
2038 (ROUND_REG): Round when double precision value is passed in floating
2040 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
2041 passed on the stack.
2042 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
2043 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
2044 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
2045 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
2046 (MODE_DISP_OK_8): Not for SH4 DFmode.
2047 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
2048 Allow indexed addressing for PSImode after reload.
2049 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
2050 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
2051 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
2052 (DOUBLE_TYPE_SIZE): 64 for SH4.
2053 (RTX_COSTS): Add PLUS case.
2054 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
2055 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
2056 MAC_REGS, PR_REGS, DF_REGS.
2057 (REGISTER_NAMES): Use fp_reg_names.
2058 (enum processor_type): Add PROCESSOR_SH4.
2059 (sh_flag_remove_dead_before_cse): Declare.
2060 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
2061 (PREDICATE_CODES): Add binary_float_operator,
2062 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
2063 fpscr_operand, noncommutative_float_operator.
2064 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
2065 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
2066 * sh.md (attribute cpu): Add value sh4.
2067 (attrbutes fmovd, issues): Define.
2068 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
2069 (function units memory, int, mpy, fp): Make dependent on issue rate.
2070 (function units issue, single_issue, load_si, load): Define.
2071 (function units load_store, fdiv, gp_fpul): Define.
2072 (attribute hit_stack): Provide proper default.
2073 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
2074 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
2075 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
2076 (mulsi3_call): Now uses match_operand for function address.
2077 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
2079 (push, pop, push_e, pop_e): Now define_expands.
2080 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
2081 (movsi_ie): Added y/i alternative.
2082 (ic_invalidate_line_i, movdf_i4): New insns.
2083 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
2084 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
2085 (movdf): Add special code for SH4.
2086 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
2087 (call_valuei, calli, call_value): Likewise.
2088 (movsf): Emit no-op move.
2089 (mov_nop, movsi_y): New insns.
2090 (blt, sge): generalize to handle DFmode.
2091 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
2092 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
2093 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
2094 (fpu_switch0, fpu_switch1, movpsi): New expanders.
2095 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
2096 (toggle_sz): New insn.
2097 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
2098 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
2099 (macsf3): Make use of fpscr visible. Disable for SH4.
2100 (floatsisf2): Make use of fpscr visible.
2101 (floatsisf2_i4): New insn.
2102 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
2103 (ieee_ccmpeqsf_t): Likewise.
2104 (fix_truncsfsi2): Emit different code for SH4.
2105 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
2106 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
2107 (negsf2, sqrtsf2, abssf2): Now expanders.
2108 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
2109 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
2110 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
2111 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
2112 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
2113 (fix_truncdfsi2_i4_2+1): New splitters.
2114 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
2115 (extendsfdf2, truncdfsf2): New expanders.
2116 (truncdfsf2_i4): New insn.
2117 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
2118 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
2119 * float-sh.h: When testing for __SH3E__, also test for
2120 __SH4_SINGLE_ONLY__ .
2121 * va-sh.h (__va_freg): Define to float.
2122 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
2123 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
2124 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
2125 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
2127 (TARGET_SH4_P): Define.
2130 * sh.md (movdf_k, movsf_i): Tweak the condition so that
2131 init_expr_once is satisfied about the existence of load / store insns.
2133 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
2134 change m constraint in source operand to mr / mf .
2136 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
2138 * (__VA_REEF): Define.
2139 (__va_arg_sh1): Use it.
2141 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
2143 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
2145 * i386/dgux.c (struct option): Add new "description field".
2146 * m88k/m88k.c (struct option): Likewise.
2148 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
2150 * version.c: Bump for snapshot.
2152 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2154 * regmove.c (regmove_profitable_p): Use return value of find_matches
2157 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
2159 * version.c: Bump for snapshot.
2161 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
2163 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
2164 without reload having been called earlier.
2166 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
2168 (v850_reorg): Similarly.
2170 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
2172 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2174 * loop.c (move_movables): Start of libcall might be new loop start.
2176 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2178 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
2180 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2182 * function.c (nonlocal_goto_handler_slots): Renamed from
2183 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
2184 (push_function_context_to): Adjust for this change.
2185 (pop_function_context_from): Likewise.
2186 (init_function_start): Likewise.
2187 (expand_function_end): Likewise.
2188 * function.h (struct function): Likewise.
2189 * calls.c (expand_call): Likewise.
2190 * explow.c (allocate_dynamic_stack_space): Likewise.
2191 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
2192 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
2194 (expand_goto): When doing a nonlocal goto, find corresponding handler
2195 slot for it. Don't put the label address in the static chain register.
2196 (expand_end_bindings): Break out nonlocal goto handling code into
2197 three new functions.
2198 (expand_nl_handler_label, expand_nl_goto_receiver,
2199 expand_nl_goto_receivers): New static functions, broken out of
2200 expand_end_bindings and adapted to create one handler per nonlocal
2202 * function.c (delete_handlers): Delete insn if it references any of
2203 the nonlocal goto handler slots.
2204 * i960.md (nonlocal_goto): Comment out code that modifies
2206 * sparc.md (nonlocal_goto): Likewise.
2207 (goto_handler_and_restore_v9): Comment out.
2208 (goto_handler_and_restore_v9_sp64): Comment out.
2210 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2212 * expr.c (STACK_BYTES): Delete unused macro.
2213 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
2214 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2215 (expand_call): Likewise.
2216 (emit_library_call): Likewise.
2217 (emit_library_call_value): Likewise.
2218 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
2219 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2220 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
2221 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2222 (allocate_dynamic_stack_space): Likewise.
2223 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
2224 (STACK_BOUNDARY): Update description to reflect the new situation.
2226 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
2228 * reorg.c (relax_delay_slots): When optimizing for code size, if a
2229 return with a filled delay slot is followed by a return with an
2230 unfilled delay slot, delete the first return and reemit the insn
2231 that was previously in its delay slot.
2233 * i860.c (single_insn_src_p): Add missing parens.
2234 * ginclude/math-3300.h: Likewise.
2236 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
2238 * regclass.c (init_reg_sets_1): Add prototype.
2239 (init_reg_modes): Likewise.
2241 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
2243 * c-common.c: Change warning messages to say `comparison is
2244 always true' or `comparison is always false' instead of the
2245 confusing `is always 0', `is always 1'.
2247 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
2249 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
2250 break instead of return (which loses closing '>').
2252 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
2254 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
2255 standard 387 constants.
2257 * i386.md (jump): Explicitly set "memory" attribute.
2258 (indirect_jump, prologue_set_stack_ptr): Likewise.
2259 (prologue_get_pc_and_set_got, pop): Likewise.
2260 (allocate_stack_worder, blockage, return_internal): Likewise.
2261 (return_pop_internal, nop): Likewise.
2262 (epilogue_set_stack_ptr, leave): Likewise.
2264 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
2266 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
2268 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2270 * reload1.c (reload_reg_free_for_value_p):
2271 Early auto_inc reloads don't conflict with outputs.
2273 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2275 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
2276 Instead call AC_HEADER_SYS_WAIT.
2278 * collect2.c: Don't provide defaults for sys/wait.h macros.
2280 * protoize.c: Likewise. Also, don't include sys/wait.h.
2282 * system.h: Include sys/wait.h and provide macro defaults.
2284 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2286 * Makefile.in (mandir): Set to @mandir@.
2287 (man1dir): New variable to hold the former value of $(mandir).
2288 Replace all uses of $(mandir) by $(man1dir).
2290 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
2292 * reload.c (find_reloads_address_part): If have a CONST_INT, create
2293 a new one before passing it to force_const_mem.
2295 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
2296 find_reloads_address call.
2298 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2300 * expr.c (store_expr): Don't generate load-store pair
2301 if TEMP is identical (according to ==) with TARGET.
2303 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2305 * reload1.c (reload_reg_free_for_value_p): When considered reload
2306 has an output, matching inputs are not sufficient to avoid conflict.
2308 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
2310 * hash.h (hash_table_key): New type.
2311 (hash_entry): Change `string' field to generic `key'.
2312 (hash_table): Add `comp' and `hash' functions.
2313 (hash_table_init): Take them as input.
2314 (hash_table_init_n): Likewise.
2315 (hash_lookup): Modify for generic keys.
2316 (hash_newfunc): Likewise.
2317 (hash_traverse): Likewise.
2318 (string_hash): New function.
2319 (string_compare): Likewise.
2320 (string_copy): Likewise.
2321 * hash.c (hash_table_init_n): Modify for generic keys.
2322 (hash_table_init): Likewise.
2323 (hash_lookup): Likewise.
2324 (hash_newfunc): Likewise.
2325 (hash_traverse): Likewise.
2326 (string_hash): Split out from hash_lookup.
2327 (string_compare): New function.
2328 (string_copy): Split out from hash_lookup.
2329 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
2331 (symbol_hash_lookup): Likewise.
2332 (file_hash_newfunc): Likewise.
2333 (file_hash_lookup): Likewise.
2334 (demangled_hash_newfunc): Likewise.
2335 (demangled_hash_lookup): Likewise.
2336 (tlink_int): Likewise.
2337 (read_repo_file): Likewise.
2338 (recompile_files): Likewise.
2339 (demangle_new_symbols): Likewise.
2340 (scan_linker_output): Likewise.
2342 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2344 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
2346 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
2348 * rs6000.c (output_mi_thunk): Improve test for local branch.
2350 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2352 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
2354 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2356 * reload1.c (reload_reg_free_before_p): Delete.
2357 Changed all callers to use reload_reg_free_for_value_p instead.
2358 (reload_reg_free_for_value_p): Handle more reload types.
2359 A RELOAD_FOR_INPUT doesn't conflict with its
2360 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
2361 Add special case for OUT == const0_rtx.
2362 Added ignore_address_reloads argument. Changed all callers.
2364 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
2366 * toplev.c (compile_file): Don't pedwarn about undefined static
2367 functions just because we passed -Wunused.
2369 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2371 * function.c (purge_addressof_1): Unshare rtl created by
2374 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2376 * regmove.c (regmove_optimize): Don't do anything but
2377 optimize_reg_copy[123] when flag_regmove is not set.
2379 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
2381 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
2382 value in paradoxical SImode result, rather than truncating midpoint.
2384 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
2386 * alpha.c (reg_not_elim_operand): New.
2387 * alpha.h (PREDICATE_CODES): Add it.
2388 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
2389 for the multiplicand.
2391 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
2393 * rs6000.md (movsf): Remove explicit secondary-reload-like
2394 functionality. Only truncate SFmode store if in FPR.
2395 (movsf splitters): Combine const_double splitters.
2396 (movsf_hardfloat): Add GPR support.
2398 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
2400 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
2401 deprecate -mlive-g0 and -mbroken-saverestore.
2402 * t-splet (MULTILIB_OPTIONS): Likewise.
2404 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
2405 in a leaf function. Clarify total_size/extra_size relationship.
2407 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
2409 * i386/cygwin32.asm: Delete.
2410 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
2411 * i386/cygwin32.h: Delete.
2412 * i386/cygwin.h: New file, renamed from cygwin32.h.
2413 * i386/t-cygwin32: Delete.
2414 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
2415 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
2416 * i386/x-cygwin32: Delete.
2417 * i386/x-cygwin: New file, renamed from x-cygwin32.
2418 * i386/xm-cygwin32: Delete.
2419 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
2420 renamed cygwin_ funcs for path translations.
2421 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
2422 * i386/winnt.c: Remove "32" from comment about cygwin.
2423 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
2424 * rs6000/cygwin32.h: Delete.
2425 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
2426 -D__CYGWIN__ to CPP_PREDEFINES.
2427 * rs6000/x-cygwin32: Delete.
2428 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
2429 * rs6000/xm-cygwin32: Delete.
2430 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
2432 * configure.in: Check for cygwin* instead of cygwin32. Account
2433 for the rename of cygwin-related config files to lose the "32"s.
2434 * configure: Regenerate.
2436 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
2437 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
2439 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
2441 * Makefile.in (JAVAGC): New macro.
2442 * configure: Rebuilt.
2443 * configure.in: Recognize --enable-java-gc argument. Subst
2446 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2448 Handle equivalences that have been obscured by gcse:
2450 * reload1.c (reload): Handle equivalences set up in multiple places.
2451 * local-alloc.c (reg_equiv_init_insns): New variable.
2452 (no_equiv): New function.
2453 (update_equiv_regs): Handle equivalences set up in multiple places.
2454 Don't ignore an insn just because its destination is likely to be
2457 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
2459 * except.c (expand_eh_return): Readd force_operand call lost in
2462 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
2464 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
2466 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2468 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
2470 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2472 * regmove.c (regmove_optimize): Fix error in last change.
2474 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
2476 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
2477 offset in the .mask pseudo to compensate for frame pointer adjustments.
2478 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
2479 word swap arguments moved to/from FP registers.
2480 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
2482 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
2484 * version.c: Bump for snapshot.
2486 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
2488 * version.c: Bump for snapshot.
2490 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
2492 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
2493 times, then it can not be completely replaced.
2495 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
2497 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
2499 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2501 * gansidecl.h: Prepend a "G" to the macro wrapping this file
2502 (to distinguish it from the macro wrapping ansidecl.h.)
2503 Include libiberty's ansidecl.h. Remove all redundant definitions.
2504 Define the PROTO() style macros in terms of the PARAMS() ones.
2507 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
2508 __STDC__, when deciding whether to use ANSI variable args.
2509 (emit_library_call_value): Likewise.
2511 * cccp.c (error): Likewise.
2512 (warning): Likewise.
2513 (error_with_line): Likewise.
2514 (warning_with_line): Likewise.
2515 (pedwarn): Likewise.
2516 (pedwarn_with_line): Likewise.
2517 (pedwarn_with_file_and_line): Likewise.
2520 * cexp.y (error): Likewise.
2521 (pedwarn): Likewise.
2522 (warning): Likewise.
2524 * collect2.c (fatal_perror): Likewise.
2528 * combine.c (gen_rtx_combine): Likewise.
2530 * cpperror.c (cpp_message): Likewise.
2531 (cpp_fatal): Likewise.
2533 * cpplib.c (cpp_error): Likewise.
2534 (cpp_warning): Likewise.
2535 (cpp_pedwarn): Likewise.
2536 (cpp_error_with_line): Likewise.
2537 (cpp_warning_with_line): Likewise.
2538 (cpp_pedwarn_with_line): Likewise.
2539 (cpp_pedwarn_with_file_and_line): Likewise.
2541 * cpplib.h: Don't define PARAMS() macro.
2543 * demangle.h: Likewise.
2545 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
2546 when deciding whether to use ANSI variable args.
2548 * emit-rtl.c (gen_rtx): Likewise.
2549 (gen_rtvec): Likewise.
2551 * final.c (asm_fprintf): Likewise.
2553 * fix-header.c (cpp_message): Likewise.
2555 (cpp_fatal): Likewise.
2557 * gcc.c (concat): Likewise.
2561 * genattr.c (fatal): Likewise.
2563 * genattrtab.c (attr_rtx): Likewise.
2564 (attr_printf): Likewise.
2567 * gencodes.c (fatal): Likewise.
2569 * genconfig.c (fatal): Likewise.
2571 * genemit.c (fatal): Likewise.
2573 * genextract.c (fatal): Likewise.
2575 * genflags.c (fatal): Likewise.
2577 * genopinit.c (fatal): Likewise.
2579 * genoutput.c (fatal): Likewise.
2582 * genpeep.c (fatal): Likewise.
2584 * genrecog.c (fatal): Likewise.
2586 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
2587 deciding whether to declare `tree_node' and `rtx_def'.
2589 * hash.h: Don't define stuff we get from gansidecl.h.
2591 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
2592 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2593 whether to use ANSI variable args.
2596 * prefix.c (concat): Likewise.
2600 * system.h: Likewise.
2602 * toplev.c (error_with_file_and_line): Likewise.
2603 (error_with_decl): Likewise.
2604 (error_for_asm): Likewise.
2607 (warning_with_file_and_line): Likewise.
2608 (warning_with_decl): Likewise.
2609 (warning_for_asm): Likewise.
2610 (warning): Likewise.
2611 (pedwarn): Likewise.
2612 (pedwarn_with_decl): Likewise.
2613 (pedwarn_with_file_and_line): Likewise.
2615 (really_sorry): Likewise.
2617 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2618 whether to declare `tree_node' and `rtx_def'.
2620 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
2621 deciding whether to use ANSI variable args.
2622 (build_nt): Likewise.
2623 (build_parse_node): Likewise.
2625 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
2627 * version.c: Bump for snapshot.
2629 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2631 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
2633 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
2635 * collect2.c (main, case 'b'): Use else if.
2637 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2639 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
2640 Arrange to include gansidecl.h in {ht}config.h & tm.h just
2641 before the config/ directory headers.
2642 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
2643 gansidecl.h in the list of dependencies.
2645 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
2646 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
2647 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
2648 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
2649 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
2650 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
2653 * cccp.c: Don't include gansidecl.h.
2655 * collect2.c: Likewise.
2656 * config/c4x/c4x.c: Likewise.
2657 * config/v850/v850.h: Likewise.
2658 * cppalloc.c: Likewise.
2659 * cpperror.c: Likewise.
2660 * cppexp.c: Likewise.
2661 * cppfiles.c: Likewise.
2662 * cpphash.c: Likewise.
2663 * cpplib.c: Likewise.
2664 * cppmain.c: Likewise.
2665 * cppulp.c: Likewise.
2666 * demangle.h: Likewise.
2667 * doprint.c: Likewise.
2668 * dyn-string.c: Likewise.
2669 * eh-common.h: Likewise.
2670 * fix-header.c: Likewise.
2671 * frame.c: Likewise.
2674 * gen-protos.c: Likewise.
2675 * gencheck.c: Likewise.
2676 * halfpic.h: Likewise.
2678 * machmode.h: Likewise.
2679 * mbchar.c: Likewise.
2680 * prefix.c: Likewise.
2681 * protoize.c: Likewise.
2682 * recog.h: Likewise.
2684 * scan-decls.c: Likewise.
2686 * varray.h: Likewise.
2688 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
2690 * i386.md (call_value_pop): If we're not popping anything,
2691 defer to call_value.
2692 (call_pop): Likewise defer to call.
2694 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
2696 * function.c (purge_addressof): Clear purge_addressof_replacements
2697 only after processing the whole function.
2699 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
2701 * reload1.c (reload): If we can not perform a particular elimination
2702 when we thought we could earlier, then we must always iterate through
2703 the loop at least one more time.
2705 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
2707 * alpha.c (add_operand): Simplify the CONST_INT match.
2708 (sext_add_operand): Correct typo in comparison by using
2709 CONST_OK_FOR_LETTER_P.
2710 * alpha.md (s?addq): Use sext_add_operand to allow the negative
2711 constant alternatives to be generated.
2712 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
2713 small constants, since the hw instructions do.
2715 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2717 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
2718 previous insn to store directly into our reload register, make sure
2719 that if the source of the previous insn is a reload register, its
2720 spill_reg_store and spill_reg_stored_to values are cleared.
2722 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
2724 * rs6000.md (floatunssidf2_internal splitter): Use base register
2725 operand, not hard-coded SP.
2727 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2729 * jump.c (calculate_can_reach_end): Fix thinko.
2731 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
2733 * reorg.c (fill_simple_delay_slots): Fix typo.
2735 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
2737 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
2739 * i386.md (extendsidi2): Use # in the output template.
2740 (extendsidi splitters): New splitters.
2742 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
2744 * configure.in: Use unknown-elf.h as tm_file for arm-elf
2746 * configure: Regenerate.
2748 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2750 * jump.c (init_label_info, delete_barrier_successors,
2751 mark_all_labels, delete_unreferenced_labels,
2752 delete_noop_moves, calculate_can_reach_end): New functions broken
2753 out of jump_optimize.
2754 (jump_optimize): Use them.
2756 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2758 * except.c (expand_fixup_region_end): Make sure outer context labels
2759 are not issued in an inner context during cleanups.
2761 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
2763 * alpha.md (addsi3, subsi3): No new temporaries once cse is
2766 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
2768 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
2769 to expose this midpoint to CSE.
2771 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2773 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
2775 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2777 * configure.in: Bring over gcc2 change of Nov 19 1997.
2779 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
2781 * toplev.c (output_lang_identify): Make definition dependent on
2782 ASM_IDENTIFY_LANGUAGE.
2784 * print-rtl.c (spaces): Make static.
2786 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
2788 * extend.texi: Clarify proper uses for register clobbers in asms.
2790 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2792 * recog.h (enum op_type): Define.
2793 (constrain_operands): Adjust prototype.
2794 (recog_op_type): Declare new variable.
2795 * recog.c (recog_op_type): New variable.
2796 (insn_invalid_p): Allow modifying an asm statement after reload.
2797 (extract_insn): Set up recog_op_type.
2798 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
2799 Don't compute operand types, use recog_op_type.
2800 Use the information computed by extract_insn instead of the previous
2801 method of finding it by insn code number.
2802 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
2803 * reorg.c (fill_slots_from_thread): Likewise.
2804 * reload1.c (reload_as_needed): Likewise.
2805 (gen_reload): Likewise.
2806 (inc_for_reload): Likewise.
2807 (reload_cse_simplify_operands): Likewise.
2808 Use the information computed by extract_insn instead of the previous
2809 method of finding it by insn code number.
2810 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
2812 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
2813 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
2814 Use the information computed by extract_insn instead of the previous
2815 method of finding it by insn code number.
2816 * regmove.c (find_matches): Likewise. Change meaning of the return
2817 value to be nonzero if the optimization can be performed, zero if
2818 not. All callers changed.
2819 Shorten some variable names to fix formatting problems.
2820 (regmove_optimize): Shorten some variable names to fix formatting
2822 Use the information computed by extract_insn instead of the previous
2823 method of finding it by insn code number.
2824 * regclass.c (scan_one_insn): Likewise.
2825 (record_reg_classes): Don't compute operand types, use recog_op_type.
2826 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
2827 recog_constraints instead.
2829 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
2831 * rtl.h (flow2_completed): Declare.
2832 * flow.c (flow2_completed): Definition.
2833 * toplev.c (rest_of_compilation): Set and clear flow2_completed
2836 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2838 * Makefile.in (libcpp.a): Ranlib libcpp.a
2840 * cppulp.c (user_label_prefix): Initialize.
2842 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
2844 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
2845 at a RETURN if current_function_sp_is_unchanging is set.
2847 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2849 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
2851 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
2853 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
2854 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
2855 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
2856 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
2857 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
2858 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
2860 (LIB_SPEC): Handle -mno-cyginw option.
2861 (LINK_SPEC): Handle -mdll.
2863 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2865 * reload.c (find_reloads): Fix test for usage by other reload
2866 to handle secondary reloads properly.
2868 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2870 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
2871 intermediate structure which has exactly the members provided by
2872 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
2873 static intermediate structure.
2875 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
2876 from the intermediate structure. Do the same analogous fix in
2877 the case where ELIMINABLE_REGS is not defined.
2879 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
2881 * pa.h (SELECT_SECTION): Fix thinko.
2883 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
2885 * dwarf2out.c (output_call_frame_info): Comments on last change.
2887 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
2889 * arm.c (add_constant): When taking the address of an item in the
2890 pool, get the mode of the item addressed.
2892 * arm.c (final_prescan_insn case INSN): If an insn doesn't
2893 contain a SET or a PARALLEL, don't consider it for conditional
2896 Restore ABI compatibility for NetBSD.
2897 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
2899 (RETURN_IN_MEMORY): Likewise.
2901 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
2903 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
2904 (m32r_output_block_move): Rewrite bytes < 4 handling.
2906 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2908 * configure.in: Call AC_FUNC_VFORK.
2910 * collect2.c: Define VFORK_STRING as a printable string for
2911 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
2912 defined, include vfork.h. If VMS is defined, define vfork()
2913 appropriately. Remove vfork check on USG, we're using autoconf.
2914 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
2915 checking locally what string to pass.
2916 (scan_prog_file): Likewise.
2917 (scan_libraries): Likewise.
2919 * gcc.c: Remove vfork check on USG, we're using autoconf.
2920 Besides, no calls to vfork/fork occur in this file.
2922 * protoize.c: Likewise.
2924 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2926 * configure.in (DEFAULT_LINKER): renamed from LD
2927 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
2928 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
2929 * configure: rebuilt
2931 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2933 * BUGS: fix the regexp for `more' to find the appropriate node.
2934 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
2936 * BUGS: added link to the WWW FAQ
2938 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
2940 * version.c: Bump for snapshot.
2942 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
2944 * From Christian Gafton:
2945 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
2946 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
2947 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
2949 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
2951 * c-common.c (c_get_alias_set): Allow all type-punning through
2952 unions. Don't get confused about the type of a bit-field, despite
2953 the antics of build_modify_expr.
2955 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
2957 * fixinc.sco: Paramaterize #include_next values.
2958 * fixinc/fixinc.sco: Likewise.
2960 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
2962 * toplev.c (rest_of_compilation): No longer set reload_completed.
2963 * reload1.c (reload): Set it here. Perform instruction splitting
2964 after reload has completed if we will be running the scheduler
2967 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
2969 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
2970 EH region if exceptions are enabled and we're performing cross
2972 (find_cross_jump): Exit loop if the insns are in different EH regions.
2974 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
2976 * dwarf2out.c (output_call_frame_info): Use
2977 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
2979 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2981 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
2982 * c-common.c (check_format_info): Don't check for the 'x'
2983 format character twice, instead check for 'x' and 'X'
2985 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
2987 * configure.in (assembler features): Also make gas is configured if
2988 we find it in the souce tree.
2990 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
2992 * i386.c (i386_comp_type_attributes): Compare whether the
2993 attributes are defined, not their tree nodes.
2995 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2997 * configure.in (gxx_include_dir): bitten by autoconf quoting
2999 * configure: rebuilt
3001 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3003 * configure.in: Ignore non-absolute value in $AS.
3005 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
3007 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
3009 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
3011 * configure.in (msdosdjgpp): Set exeext and target_alias.
3013 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3015 * flow.c (XNMALLOC): New macro.
3016 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
3018 (add_edge, add_edge_to_label): New static functions.
3019 (free_bb_memory): New function.
3020 (flow_delete_insn): Delete function.
3021 (basic_block_drops_in): Delete variable.
3022 (find_basic_blocks): Allocate and initialize basic_block_head,
3023 basic_block_succ. Don't allocate basic_block_drops_in.
3024 Call free_bb_memory at the beginning.
3025 (find_basic_blocks_1): Don't do multiple passes.
3026 Delete code to compute basic_block_drops_in.
3027 After calling make_edges, mark blocks reached by current block live.
3028 Update test for unreachable live blocks.
3029 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
3031 Simplify to call add_edge_to_label when a LABEL_REF is found.
3032 (make_edges): Simplify to call add_edge_to_label instead of
3033 mark_label_ref most of the time.
3034 Compute here whether control drops into the next block.
3035 (delete_unreachable_blocks): Return void. All callers changed.
3036 Delete unreachable blocks in reverse order.
3037 After deleting all unreachable blocks, renumber the remaining ones
3038 and update n_basic_blocks.
3039 (delete_block): Speed up deletion a bit.
3040 Don't set basic_block_drops_in for deleted blocks.
3041 (free_basic_block_vars): Don't free basic_block_drops_in.
3042 (life_analysis_1): Update to use new edge representation.
3043 (dump_flow_info): Delete code to print basic block info; call
3044 dump_bb_data instead.
3045 (compute_preds_succs): Delete code to recompute basic_block_drops_in
3046 and uid_block_number.
3047 Simply copy the previously computed cfg.
3048 (dump_bb_data): New arg LIVE_INFO. All callers changed.
3049 Print register lifetime information if LIVE_INFO is nonzero.
3050 * basic-block.h (dump_bb_data): Adjust prototype.
3051 * gcse.c (gcse_main): Update call to dump_bb_data.
3052 * rtl.h (free_bb_memory): Declare.
3053 * toplev.c (rest_of_compilation): Call free_bb_memory.
3055 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
3056 (update_eliminable_offsets): Don't compute it.
3057 (set_initial_elim_offsets): Don't initialize it.
3058 Break out some code into set_initial_label_offsets so the rest of
3059 this function can be called from reload_as_needed.
3060 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
3061 ELIMINABLE_REGS isn't.
3062 (set_initial_label_offsets): New function, broken out of
3063 set_initial_elim_offsets.
3064 (set_offsets_for_label): New function, broken out of set_label_offsets
3065 and reload_as_needed.
3066 (reload): Call the two new functions.
3067 (reload_as_needed): Call set_initial_elim_offsets instead of
3068 duplicating the code. Likewise for set_offsets_for_label.
3070 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
3071 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
3072 any hard reg, reg_reloaded_dead contains valid data.
3074 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
3076 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
3077 "stdcall" and "cdecl" attributes.
3079 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
3081 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
3082 handle deleted no-op moves of hard registers.
3083 * haifa-sched.c (update_flow_info): Likewise.
3085 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
3087 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
3088 of the sequences to reload the HILO register which do not actually
3091 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
3093 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
3095 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
3097 * except.c (emit_eh_context): Make the EH context register stay alive
3098 at -O0 so stupid.c doesn't get confused.
3100 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3102 * emit-rtl.c (try_split): Do not try to split a BARRIER.
3104 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
3105 Jeffrey A Law (law@cygnus.com)
3107 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
3108 (zero_extendsidi2): Use # in output template and handle completely by
3110 (zero_extend splitters): New define_splits.
3111 (ashiftrt_32): New pattern.
3113 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3115 * tree.c (append_random_chars): New fn.
3116 (get_file_function_name_long): Use it.
3118 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
3120 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
3121 (LIBCPP_OBJS): New. Add cppulp.o.
3122 (cppmain, fix-header): Depend on and use libcpp.a.
3123 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
3124 of the individual object files.
3125 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
3128 * cccp.c (user_label_prefix): New.
3129 (main): Set it off -f*leading-underscore.
3130 (special_symbol): Use it.
3131 * cpplib.c (special_symbol): Likewise.
3132 (cpp_handle_option): Handle -f*leading-underscore.
3133 * cppulp.c: New file.
3135 * output.h (user_label_prefix): Declare it.
3136 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
3137 * toplev.c (f_options, main): Handle -f*leading-underscore.
3139 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
3140 referencing USER_LABEL_PREFIX directly.
3141 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
3142 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
3143 * final.c (asm_fprintf): Use user_label_prefix instead.
3144 * arm/thumb.c (thumb_print_operand): Likewise.
3146 * gcc.c (default_compilers): Pass -f*leading-underscore on to
3147 cpp wherever appropriate.
3149 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
3151 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
3152 specific compiler switches.
3154 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
3156 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
3159 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3161 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
3162 structure which has exactly the members provided by EXTRA_SPECS.
3163 Xmalloc() the real `extra_specs', and initialize it from this
3164 intermediate structure.
3166 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
3168 * mips.h (EXTRA_SPECS): Likewise.
3170 * sparc.h (EXTRA_SPECS): Likewise.
3172 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3174 * function.c (purge_addressof_1): Instead of aborting when a
3175 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
3176 work just put the ADDRESSOF on stack. Otherwise remember all such
3177 successfull replacements, so that exactly the same replacements
3178 can be made on the REG_NOTEs. Remove the special case for CALL
3180 (purge_addressof_replacements): New variable.
3181 (purge_addressof): Clear it at end.
3183 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3185 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
3186 (lang_init): Call check_newline always.
3187 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
3188 cpp_start_read, set yy_cur and yy_lim to read from
3189 parse_in.token_buffer, so that we'll see the first #line
3191 * cpplib.c (cpp_start_read): finclude the main input file
3192 before processing -include/-imacros. Process -imacros and
3193 -include separately, and handle -include by stacking a
3194 buffer for the file in question as if it'd been #included.
3195 * toplev.c (documented_lang_options) Recognize -H when
3198 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3200 * cpplib.c: Merge do_once into do_pragma. Break file handling
3201 code out of do_include.
3202 Move append_include_chain, deps_output,
3203 file_cleanup, redundant_include_p, import_hash,
3204 lookup_import, add_import, read_filename_string, read_name_map,
3205 open_include_file, finclude, safe_read to cppfiles.c.
3206 Move prototypes for deps_output, append_include_chain,
3207 finclude to cpplib.h. Move definition of struct
3208 file_name_list there also.
3210 * cppfiles.c: New file. Contains all the above functions
3211 broken out of cpplib.c; also hack_vms_include_specification
3212 from cccp.c and find_include_file, a new function broken out of
3215 * Makefile.in (cppmain): Depend on cppfiles.o.
3216 (fix-header): Likewise.
3217 (cppfiles.o): New target.
3218 * configure.in (--enable-c-cpplib): Add cppfiles.o to
3219 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
3221 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
3223 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
3224 if pending_types is non-zero.
3225 (dwarfout_finish): Verify pending_types is zero before finishing.
3227 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
3229 * expr.c (convert_move): Use shifts to perform the move if a
3230 suitable extend pattern cannot be found. Code written by
3231 Richard Henderson <rth@cygnus.com>.
3233 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3235 * regclass.c (renumber, regno_allocated): New static variables, moved
3236 out of allocate_reg_info.
3237 (allocate_reg_info): Move these two variables outside the function.
3238 Move code to free memory into new function free_reg_info.
3239 (free_reg_info): New function, broken out of allocate_reg_info.
3240 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
3241 * rtl.h (allocate_reg_info): Don't declare.
3242 (free_reg_info): Declare.
3244 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
3246 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
3248 * toplev.c (compile_file): Temporarily revert last change.
3250 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3252 * c-typeck.c (convert_for_assignment): Parenthesize.
3254 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3256 * reload1.c (delete_output_reload): Avoid ambigous else.
3258 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
3260 * toplev.c (compile_file): Call allocate_reg_info to free register
3262 * rtl.h (allocate_reg_info): Declare.
3264 * PROJECTS: Remove entry for local spilling.
3266 * final.c (cleanup_subreg_operands): New function.
3267 (final_scan_insn): Use it.
3268 (alter_subreg): Clear the "used" field when we turn a SUBREG into
3270 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
3271 operands when reload has finished.
3272 * reload.h (cleanup_subreg_operands): Declare..
3273 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
3274 reload. Handled in reload itself.
3276 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3278 * reload1.c (verify_initial_offsets): New function.
3279 (reload): Call it after reload_as_needed. Also verify that the frame
3280 size stays constant during reload_as_needed.
3281 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
3283 * reload.h (struct insn_chain): Add need_operand_change element.
3284 * reload1.c (new_insn_chain): Clear it.
3285 (calculate_needs_all_insns): Set it; don't overload need_reload.
3286 (reload_as_needed): Use it.
3288 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
3289 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
3290 and reload_address_index_reg_class.
3291 (find_reloads_address_1): Likewise.
3292 * reload.h (reload_address_base_reg_class,
3293 reload_address_index_reg_class): Don't declare.
3294 * reload1.c (reg_old_renumber, pseudo_previous_regs,
3295 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
3296 (used_spill_regs): Now static.
3297 (reload_address_base_reg_class, reload_address_index_reg_class,
3298 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
3299 basic_block_needs, max_needs, group_size, group_mode, max_groups,
3300 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
3303 (init_reload): Delete code to compute base/index reg classes.
3304 (reload): Delete variable J.
3305 Delete code to manage basic_block_needs.
3306 Don't compute regs_explicitly_used.
3307 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
3308 pseudo_previous_regs.
3309 Initialize bad_spill_regs_global.
3310 Don't call order_regs_for_reload here.
3311 Don't initialize spill_reg_order and n_spills.
3312 Don't forbid explicitly used regs to be used for spill regs.
3313 Change main loop to infinite loop, with explicit break statements.
3314 Make SOMETHING_CHANGED variable local to that loop.
3315 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
3316 max_groups_insn, max_nongroups_insn, group_size, group_mode.
3317 Make sure spilled_speudos is cleared before calling spill_hard_reg or
3319 Don't call dump_needs.
3320 Delete code to reset potential_reload_regs.
3321 Delete code to terminate loop conditional on the global needs variables
3322 showing no further needs.
3323 (calculate_needs_all_insns): Return void. All callers changed.
3324 Initialize somehing_needs_elimination here, not in reload.
3325 Delete avoid_return_reg kludge.
3326 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
3327 All callers changed.
3328 Initialize the group_mode and group_size elements of the arg CHAIN.
3329 Delete code to manage basic_block_needs.
3330 Operate on elements of CHAIN instead of global variables.
3331 Delete avoid_return_reg kludge.
3332 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
3333 All callers changed.
3334 Operate on elements of CHAIN instead of global variables.
3335 Delete special SMALL_REGISTER_CLASSES code.
3336 Delete spill_failure code; now in new_spill_reg.
3337 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
3338 All callers changed.
3339 Operate on elements of CHAIN instead of global variables.
3340 (maybe_mark_pseudo_spilled): New static function.
3341 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
3342 All callers changed.
3343 Operate on elements of CHAIN instead of global variables.
3344 Call order_regs_for_reload here, not in reload.
3345 Initialize spill_reg_order and n_spills.
3346 Simplify test whether an asm insn is involved.
3347 Delete spill_failure code; now in new_spill_reg.
3348 Call maybe_mark_pseudo_spilled for everything marked as live in
3349 CHAIN. Merge CHAIN's used_spill_regs into the global variable
3351 (dump_needs): Take CHAIN arg. No longer static, to prevent the
3352 compiler from optimizing this function (now unused) away.
3353 Operate on elements of CHAIN instead of global variables.
3354 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
3356 Operate on elements of CHAIN instead of global variables.
3357 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
3358 take CHAIN arg. All callers changed.
3359 Operate on elements of CHAIN instead of global variables.
3360 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
3361 CHAIN, NONGROUP args. Return void. All callers changed.
3362 Verify caller isn't trying to spill a pseudo.
3363 Simplify test for illegal reg, just use bad_spill_regs.
3364 Generate better error messages.
3365 Operate on elements of CHAIN instead of global variables.
3366 Mark spilled register in CHAIN's used_spill_regs element.
3367 Don't call spill_hard_reg.
3368 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
3369 Mark spilled hard regs in bad_spill_regs_global.
3370 Mark affected pseudos in spilled_pseudos, but don't spill them.
3371 (ior_hard_reg_set): New static function.
3372 (finish_spills): Return int. All callers changed.
3373 Compute spill_reg_order, n_spills and spill_regs here. Also update
3374 regs_ever_live for regs used as spills.
3375 For every pseudo in spilled_pseudos, spill it and mark the previous
3376 hard reg it had in pseudo_previous_regs. Compute which hard regs
3377 arseudo): New static function.
3378 (order_regs_for_reload): Take CHAIN arg. All callers changed.
3379 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
3380 hard registers explicitly used across the current insn into the set.
3381 Compute hard_reg_n_uses taking only pseudos live across this insn
3383 Tweak sorting of potential_reload_regs.
3384 (compare_spill_regs): Delete function.
3385 (reload_as_needed): Don't sort the spill_regs array, it's computed
3386 in proper order in finish_spills.
3387 Delete avoid_return_reg kludge.
3388 Delete code to manage basic_block_needs.
3389 (allocate_reload_reg): Minor speed/readability tweaks.
3390 Operate on elements of CHAIN instead of global variables.
3391 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
3392 Delete avoid_return_reg kludge.
3393 Initialize reload_reg_used from CHAIN's used_spill_regs element.
3394 Delete unused label FAIL.
3395 (reload_combine): Replce reload_address_index_reg_class with
3397 Don't use used_spill_regs to determine information about lifetime of
3400 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
3402 * toplev.c (display_help): Ignore empty target specific
3403 options, and if -W is also specified on the command line then
3404 display undocumented options.
3406 * config/arm/arm.c: Updated with changes in devo sources.
3407 * config/arm/arm.h: Updated with changes in devo sources.
3408 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
3409 * config/arm/lib1thumb.asm: Add ELF support.
3411 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
3413 * collect2.c (aix64_flag): New variable.
3414 (main, case 'b'): Parse it.
3415 (GCC_CHECK_HDR): object magic number must match mode.
3416 (scan_prog_file): Only check for shared object if valid header.
3417 Print debugging if header/mode mismatch.
3419 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
3421 Added support for arm-elf-linux configuration, submitted by Philip
3422 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
3423 code developed by Catherine Moore <clm@cygnus.com>. The following
3426 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
3429 * configure: Regenerated.
3431 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
3432 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
3433 definitions conditional on their not having been already defined.
3435 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
3436 and .type directives, and add "(PLT)" qualification to function
3439 * config/arm/linux.h: Deleted. This file is now superceeded by
3440 either linux-elf.h or linux-aout.h.
3442 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
3443 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
3445 Move definitions from old linux.h file here.
3447 * config/arm/elf.h: New file. Generic ARM/ELF support.
3449 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
3451 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
3453 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
3454 using the 26bit APCS.
3456 * config/arm/unknown-elf.h: New file. Support for OS'es other
3457 than Linux with ELF.
3459 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
3462 * config/arm/coff.h: Include aout.h for basic assembler macros.
3463 Add support for -mstructure_size_boundary=<n> command line option.
3465 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
3466 command line option. Make macro definitions conditional on their
3467 not having been already defined.
3469 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
3470 command line option.
3473 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
3475 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
3476 has been changed to not include a newline. Use this macro instead.
3477 (output_enumeral_list, const_value_attribute, name_attribute,
3478 comp_dir_attribute, prototyped_attribute, producer_attribute,
3479 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
3480 dwarfout_file_scope_decl, generate_new_sfname_entry,
3481 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
3482 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
3484 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
3486 * combine.c (subst): Process the inputs to a parallel asm_operands
3489 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
3491 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
3493 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
3495 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
3497 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
3499 * version.c: Bump for snapshot.
3501 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
3503 * stmt.c (expand_fixup): Set fixup->before_jump to a
3504 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
3506 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3508 * Makefile.in (recog.o): Depend on toplev.h.
3509 (insn-emit.o): Depend on recog.h.
3510 (insn-peep.o): Depend on recog.h and insn-config.h.
3512 * combine.c (simplify_set): Remove unused variable `scratches'.
3514 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
3515 and `idx' in macro conditional controlling their use.
3517 * genemit.c (main): Make the generated output file include
3518 recog.h. Don't have it declare `insn_operand_constraint', since
3519 we get it from recog.h.
3521 * genpeep.c (main): Make the generated output file include
3522 insn-config.h and recog.h.
3524 * recog.c: Include toplev.h.
3525 (extract_insn): Remove unused variable `p'.
3527 * regclass.c (fix_register): Add missing braces around initializer
3529 (allocate_reg_info): Move variable `i' into the scope where it is
3530 used. Change its type to `size_t'.
3532 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3534 * reload.c (push_reload): When merging reloads, make sure
3535 that reload_in_reg and reload_in are from the same reload in
3538 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
3540 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
3541 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
3543 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
3545 * loop.c (loop_has_tablejump): New variable.
3546 (prescan_loop): Scan for it.
3547 (insert_bct): Replace explicit scan with use of it.
3548 * regclass.c (regclass): Restore loop variable j.
3549 (record_reg_classes): Deterine op_types modifiers and initialize
3550 classes[i] before matching constraints. Handle matching
3553 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
3555 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
3558 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3560 * mips.h (EXTRA_SPECS): Add missing initializers.
3562 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3564 * sparc.h (EXTRA_SPECS): Add missing initializers.
3565 (sparc_defer_case_vector): Provide a prototype.
3567 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
3568 comparing it to the result of a pointer subtraction.
3570 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3572 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
3573 the argument to (unsigned char).
3575 * alpha.h (EXTRA_SPECS): Add missing initializers.
3576 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
3579 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
3581 * flow.c (life_analysis_1): Enable "rescan" code after reload.
3582 (propagate_block): Delete dead code after reload.
3584 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
3585 back Oct 15, 1998 change.
3586 * haifa-sched.c (update_flow_info): Likewise.
3587 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
3589 * mn10200.md (truncated shift): Accept constant inputs too.
3591 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
3593 * machmode.h (mode_mask_array): No longer const.
3594 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
3596 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3598 * frame.c: Somewhat explain `FDE'.
3599 Suggested by Brendan Kehoe
3601 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
3603 * expr.c (pending_chain): Move up.
3604 (save_expr_status): Do save pending_chain.
3605 (restore_expr_status): And restore it.
3606 * function.h (struct function): Add pending_chain.
3608 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3610 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
3611 did not match the code.
3613 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3615 * regclass.c (regclass): Break out some code into new function
3616 scan_one_insn, and into regclass_init.
3617 (init_cost): New static variable, moved out of regclass.
3618 (regclass_init): Initialize it here, not in .
3619 (scan_one_insn): New static function, broken out of regclass.
3620 * recog.c (apply_change_group): Break out some code into new
3621 function insn_invalid_p.
3622 (insn_invalid_p): New static fn, broken out of apply_change_group.
3624 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
3626 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
3627 reg_reloaded_contents matches incremented pseudo.
3629 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
3631 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3633 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
3634 addressing modes with side effects. These are currently
3635 placeholders for the C4x target.
3637 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3639 * loop.c (express_from): Make sure that when generating a PLUS of
3640 a PLUS, any constant expression appears on the outermost PLUS.
3642 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
3644 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
3645 works if "$(srcdir)" != ".".
3647 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
3649 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
3650 existing SUBREG if we can, otherwise abort.
3652 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
3654 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
3655 `restrict' is applied to a non-pointer variable.
3657 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
3659 * invoke.texi: Document -flang-isoc9x.
3661 * Makefile.in (OBJS): Add splay-tree.o.
3662 (c-common.o): Depend on rtl.h.
3663 (splay-tree.o): List dependencies and provide build rule.
3665 * rtl.h (record_alias_subset): New function.
3666 * alias.c: Include splay-tree.h.
3667 (alias_set_entry): New type.
3668 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
3669 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
3670 (mems_in_disjoin_alias_sets_p): New function.
3671 (alias_set_compare): Likewise.
3672 (insert_subset_children): Likewise.
3673 (get_alias_set_entry): Likewise.
3675 * tree.h (TYPE_RESTRICT): New macro.
3676 (TYPE_UNQUALIFIED): New manifest constant.
3677 (TYPE_QUAL_CONST): Likewise
3678 (TYPE_QUAL_VOLATILE): Likewise.
3679 (TYPE_QUAL_RESTRICT): Likewise.
3680 (tree_type): Add restrict_flag. Reduce count of free bits.
3681 (DECL_POINTER_ALIAS_SET): New macro.
3682 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
3683 (tree_decl): Add pointer_alias_set.
3684 (build_qualified_type): New function.
3685 (build_type_variant): Define in terms of build_qualified_type.
3686 * tree.c (set_type_quals): New function.
3687 (make_node): Initializae DECL_POINTER_ALIAS_SET.
3688 (build_type_attribute_variant): Use build_qualified_type and
3690 (build_type_variant): Rename, and modify, to become...
3691 (build_qualified_type): New function.
3692 (build_complex_type): Use set_type_quals.
3694 * c-tree.h (C_TYPE_OBJECT_P): New macro.
3695 (C_TYPE_FUNCTION_P): Likewise.
3696 (C_TYPE_INCOMPLETE_P): Likewise.
3697 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
3698 (c_apply_type_quals_to_decl): New function.
3699 (c_build_qualified_type): New function.
3700 (c_build_type_variant): Define in terms of c_build_qualified_type.
3701 (flag_isoc9x): Declare.
3702 * c-typeck.c (qualify_type): Use c_build_qualified_type.
3703 (common_type): Change to use TYPE_QUALS.
3704 (comptypes): Likewise.
3705 (convert_for_assignment): Likewise.
3706 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
3707 * c-decl.c (flag_isoc9x): Define.
3708 (c_decode_option): Handle -flang-isoc9x.
3709 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
3710 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
3711 * c-lex.c (init_lex): Deal with restrict.
3712 (init_lex): Don't treat restrict as a reserved word in
3713 -traditional mode, or without -flang-isoc9x.
3714 * c-lex.h (rid): Add RID_RESTRICT.
3715 * c-parse.gperf (restrict, __restrict, __restrict__): Make
3716 equivalent to RID_RESTRICT.
3717 * c-parse.in (TYPE_QUAL): Update comment.
3718 * c-common.c: Include rtl.h.
3719 (c_find_base_decl): New function.
3720 (c_build_type_variant): Rename, and modify, to become ...
3721 (c_build_qualified_type): New function.
3722 (c_apply_type_quals_to_decl): Likewise.
3723 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
3724 a particular alias set for the reference.
3725 * toplev.c (documented_lang_options): Add -flang-isoc9x.
3727 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
3729 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
3730 command line switches.
3732 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
3734 * reload.c (loc_mentioned_in_p): Add missing braces to bind
3737 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
3739 * gcc.c (option_map): Added --classpath and --CLASSPATH.
3741 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
3743 * regclass.c (fix_register): Add error message.
3744 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
3747 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3749 * c-decl.c (warn_missing_noreturn): New global variable.
3750 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
3751 (finish_function): Implement missing noreturn warning.
3753 * c-tree.h (warn_missing_noreturn): Declare extern.
3755 * invoke.texi: Document new flags.
3757 * toplev.c (documented_lang_options): Add description.
3759 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3761 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
3762 loop optimization stable for the C4x.
3763 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
3764 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
3765 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
3767 (c4x_address_conflict): Be more paranoid when packing a volatile
3768 memref in a parallel load/store.
3770 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3772 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
3773 repeat_block_filler): Deleted.
3774 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
3775 Condition code not set if destination register from 'c' class.
3776 (*subbqi3_carry_clobber): Fix typo.
3778 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3780 * reorg.c (steal_delay_list_from_target) Check for insns that
3781 modify the condition codes and effect the direction of the jump
3784 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3786 * function.c (purge_addressof_1): Replace call to
3787 emit_insns_before() with emit_insn_before().
3789 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
3791 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
3793 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3795 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
3797 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3799 * gcse.c (compute_hash_table): Correctly identify hard regs which are
3800 clobbered across calls.
3802 * loop.c (scan_loop): Be more selective about what invariants are
3803 moved out of a loop.
3805 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
3807 * version.c: Bump for snapshot.
3809 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3811 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
3812 static eh_context structure.
3814 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3816 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
3818 (try_combine): Don't update max_scratch.
3819 * flow.c (max_scratch, num_scratch): Delete variables.
3820 (life_analysis_1): Don't initialize max_scratch.
3821 (propagate_block): Don't update max_scratch.
3822 (mark_set_1): Don't increment num_scratch.
3823 * regs.h (max_scratch): Delete declaration.
3825 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
3827 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
3828 is nonzero. This is temporary!
3830 * sched.c (update_flow_info): Handle death notes made invalid by
3831 instruction splitting. Partially reverts Oct 15, 1998 patch.
3832 * haifa-sched.c (update_flow_info): Likewise.
3834 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
3836 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
3837 if it has a nonzero DECL_INITIAL.
3839 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3841 * Makefile.in (flow.o): Depend on recog.h.
3843 * cpplib.h (directive_table): Add missing initializiers.
3844 (finclude): Change type of variable `bsize' to size_t.
3846 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
3848 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
3850 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
3851 `int' when comparing against one.
3852 (cpp_file_line_for_message): Mark parameter `pfile' with
3854 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
3856 * flow.c: Include recog.h.
3857 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
3859 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
3860 `f' with ATTRIBUTE_UNUSED.
3861 (reposition_prologue_and_epilogue_notes): Likewise.
3863 * genopinit.c (gen_insn): Cast argument of ctype functions to
3866 * haifa-sched.c: Include recog.h.
3867 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
3868 comparing against one.
3870 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
3872 * mips-tfile.c (parse_end): Cast the argument of ctype function to
3874 (parse_ent): Likewise.
3875 (parse_input): Likewise.
3877 * optabs.c (init_libfuncs): Likewise.
3879 * protoize.c (find_rightmost_formals_list): Likewise.
3881 * recog.h (const_double_operand): Fix typo in prototype.
3883 * tlink.c (scan_linker_output): Cast the argument of ctype
3884 function to `unsigned char'.
3886 * toplev.c (check_lang_option): Cast the result of `strlen' to
3887 `int' when comparing against one.
3889 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3891 * gcse.c (dump_cuid_table): Correct typo.
3893 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
3895 * toplev.c (display_help): Prepend '-m' to target specific
3897 (check_lang_option): Ignore text after end of first word of a
3898 language specific option.
3900 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3902 * reload1.c (reg_used_by_pseudo): New static variable.
3903 (choose_reload_regs): Initialize it.
3904 Use it instead of testing spill_reg_order to determine whether a
3905 pseudo is live in a hard register across the current insn.
3906 Fix a typo in a reference to reload_reg_rtx.
3908 * flow.c (propagate_block): Replace code that computes and uses
3909 regs_sometimes_live with simpler code that just walks the set of
3910 currently live registers.
3912 * Makefile.in (insn-extract.o): Fix dependencies.
3913 * genextract.c (main): Generate includes for insn-config.h and
3915 Delete generation of declarations which are now in recog.h.
3916 * genrecog.c (main): Delete generation of definitions which are
3918 * local-alloc.c (block_alloc): Use extract_insn and the variables
3919 it sets up instead of looking up values by insn_code.
3920 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
3921 recog_dup_num): Define here instead of generating the definition in
3923 (recog_n_operands, recog_n_dups, recog_n_alternatives,
3924 recog_operand_mode, recog_constraints, recog_operand_address_p):
3926 (extract_insn): New function.
3927 * recog.h (extract_insn): Declare function.
3928 (which_alternative, recog_n_operands, recog_n_dups,
3929 recog_n_alternatives, recog_operand_mode, recog_constraints,
3930 recog_operand_address_p): Declare variables.
3931 * regclass.c (n_occurrences): New static function.
3932 * reload.c (n_occurrences): Delete function.
3933 (find_reloads): Use extract_insn.
3934 * reload.h (n_occurrences): Delete declaration.
3936 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
3938 * reload1.c (reload_as_needed): Fix test for when to call
3939 update_eliminable_offsets.
3941 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3943 Fix consistency problems with reg_equiv_{mem,address};
3944 Improve reload inheritance;
3946 * reload.c (reload_out_reg): New variable.
3947 (loc_mentioned_in_p, remove_address_replacements): New functions.
3948 (remove_replacements): Deleted.
3949 (push_reload): Set reload_out_reg[i].
3950 When merging, also set reload_{in,out}_reg[i], and remove
3951 duplicate address reloads.
3952 (combine_reloads): Copy reload_out_reg[i].
3953 (find_reloads): Do make_memloc substitution also when
3954 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3956 Include *recog_operand_loc in commutativity operand changes.
3957 Generate optional output reloads.
3958 Delete reference to n_memlocs. Don't set *recog_operand_loc before
3959 processing operands. Call make_memloc in reg_equiv_address code.
3960 Set *recog_operand_loc only after processing operands, and only
3961 if replace is true. Return a value.
3962 When changing address reload types for operands that didn't get
3963 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
3964 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
3965 Don't emit USEs for pseudo SUBREGs when not replacing.
3966 (find_reloads_address): Do make_memloc substitution also when
3967 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3969 (find_reloads_toplev): Likewise.
3970 Call make_memloc in reg_equiv_address code.
3971 (debug_reload_to_stream): Add code to output reload_out_reg.
3972 (make_memloc): Delete local variable i, ifdefed out code, and
3973 references to memlocs and n_memlocs.
3974 (memlocs, n_memlocs): Delete.
3975 (push_secondary_reload): Clear reload_out_reg.
3976 (find_reloads_address_1): Provide memrefloc argument to all calls
3977 to find_reloads_address.
3978 In AUTO_INC code, handle non-directly addressable equivalences properly.
3979 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
3980 (find_reloads): Add return type.
3981 (remove_address_replacements, deallocate_reload_reg): Declare.
3982 * reload1.c (num_not_at_initial_offset): No longer static.
3983 (delete_address_reloads, delete_address_reloads_1): Likewise.
3984 (deallocate_reload_reg): New function.
3985 (spill_reg_stored_to): New array.
3986 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
3987 (eliminate_regs_in_insn): Move assignments of previous_offset and
3988 max_offset fields, and recalculation of num_not_at_initial_offset
3989 into new static function:
3990 (update_eliminable_offsets) .
3991 (reload_as_needed): Call update_eliminable_offsetss after calling
3993 Call forget_old_reloads_1 with contents of reloaded auto_inc
3994 expressions if the actual addressing can't be changed to match the
3996 (choose_reload_regs): For inheritance, replace
3997 reload_reg_free_before_p test with reload_reg_used_at_all test, and
3998 remove stand-alone reload_reg_used_at_all test.
3999 Use reload_out_reg to determine which reload regs have output reloads.
4000 Treat reload_override_in more similar to inherited reloads.
4001 Handle (subreg (reg... for inheritance.
4002 For flag_expensive_optimizations, add an extra pass to remove
4003 unnecessary reloads from known working inheritance.
4004 Delete obsolete code for pseudos replaced with MEMs.
4005 Handle inheritance from auto_inc expressions.
4006 (emit_reload_insns): If reload_in is a MEM, set OLD to
4008 Don't reload directly from oldequiv; if it's a pseudo with a
4009 stack slot, use reload_in[j].
4010 Check that reload_in_reg[j] is a MEM before replacing reload_in
4011 from reg_reloaded_contents.
4012 Include non-spill registers in reload inheritance processing.
4013 Also try to use reload_out_reg to set spill_reg_store /
4014 reg_last_reload_reg.
4015 In code to set new_spill_reg_store, use single_set to find out if
4016 there is a single set.
4017 Add code that allows to delete optional output reloads.
4018 Add code to allow deletion of output reloads that use no spill reg.
4019 At the end, set reload_override_in to oldequiv.
4020 Also call delete_output_reload if reload_out_reg is equal to old
4022 Add code to call delete_output_reload for stores with no matching load.
4023 Set / use spill_reg_stored_to.
4024 Handle case where secondary output reload uses a temporary, but
4025 actual store isn't found.
4026 When looking for a store of a value not loaded in order to call
4027 delete_output_reload, count_occurences should return 0 for no
4028 loads; but discount inherited input reloadill_reg_stored_to.
4029 Do checks for extra uses of REG. Changed all
4031 Use delete_address_reloads.
4032 (reload): Take return value of find_reloads into account.
4033 If a no-op set needs more than one reload, delete it.
4034 (reload_reg_free_before_p): RELOAD_FOR_INPUT
4035 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
4036 for the same operand.
4037 (clear_reload_reg_in_use): Check for other reloads that keep a
4039 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
4040 RELOAD_FOR_OPADDR_ADDR.
4041 Take into account when an address address reload is only needed
4042 for the address reload we are considering.
4043 (count_occurrences): Use rtx_equal_p for MEMs.
4044 (inc_for_reload): Return instruction that stores into RELOADREG.
4045 New argument two, IN, and rtx. Changed all callers.
4046 (calculate_needs_all_insns, reload_as_needed):
4047 Don't clear after_call for a CLOBBER.
4048 Keep track of how many hard registers need to be copied from
4049 after_call, and don't clear after_call before we have seen
4050 that much copies, or we see a different instruction.
4052 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
4054 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
4055 after reload has completed.
4057 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
4059 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
4060 a macro name and the next token with a single blank if that whitespace
4061 is in a macro buffer and the next token is not '('.
4063 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
4065 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
4067 (skip_if_group): Ditto.
4068 (skip_to_end_of_comment): Ditto.
4070 (discard_comments): Ditto.
4071 (change_newlines): Ditto.
4073 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
4075 * c-lex.c (yylex): Fix unaligned access of wchar_t.
4077 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
4079 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
4080 (TARGET_OPTIONS): Add --help documentation.
4082 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4084 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
4086 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
4088 * fixinc/* Moved in from ../contrib directory in preparation
4089 for integrating it into the normal build process. In particular,
4090 fixinc/Makefile.in must be config-ed into the build directory
4091 as fixinc/Makefile. Proposed patches to ./Makefile.in and
4092 ./configure.in will be "in the mail" momentarily.
4094 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
4096 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
4097 accidently walk into the free list. Comment how that can happen.
4098 (invalidate): Fix indentation.
4100 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4101 Jeffrey A Law (law@cygnus.com)
4103 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
4104 reload. Never perform rescans of the insn chain after reload.
4105 (propagate_block): Do not delete insn or create new autoinc addressing
4108 * jump.c (jump_optimize): Unconditionally use the code that was
4109 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
4110 * reload1.c (reload): When reloading is finished, delete all
4111 REG_DEAD and REG_UNUSED notes.
4112 (emit_reload_insns): Delete all code that was conditional on
4113 PRESERVE_DEATH_INFO_REGNO_P.
4114 (no_longer_dead_regs): Delete variable.
4115 (reload_cse_delete_death_notes): Delete function.
4116 (reload_cse_no_longer_dead): Delete function.
4117 (reload_cse_regs_1): Delete all code to handle deletion of death
4119 (reload_cse_noop_set_p): Likewise.
4120 (reload_cse_simplify_set): Likewise.
4121 (reload_cse_simplify_operands): Likewise.
4122 (reload_cse_move2add): Likewise.
4123 * reorg.c (used_spill_regs): Delete declaration.
4124 (max_label_num_after_reload): Delete declaration.
4125 (find_dead_or_set_registers): Don't assume that spill regs are
4126 dead at a CODE_LABEL.
4127 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
4129 * sched.c (sched_analyze_insn): Likewise.
4130 (update_flow_info): Likewise.
4131 * haifa-sched.c (sched_analyze_insn): Likewise.
4132 (update_flow_info): Likewise.
4133 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
4134 * toplev.c (max_label_num_after_reload): Delete variable.
4135 (rest_of_compilation): Don't set max_label_num_after_reload.
4136 Call life_analysis after reload_cse_regs if optimizing.
4137 * config/gmicro/gmicro.h: Delete comment referring to
4138 PRESERVE_DEATH_INFO_REGNO_P.
4139 * config/i386/i386.h: Likewise.
4140 * config/m88k/m88k.h: Likewise.
4141 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
4142 * config/sh/sh.h: Likewise.
4144 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
4146 * loop.c (strength_reduce): Restore marking bct_p as
4148 * rs6000.c (optimization_options): Change #ifdef HAIFA to
4149 HAVE_decrement_and_branch_on_count.
4150 (small_data_operand): Remove TARGET_ELF condition for marking
4151 parameters ATTRIBUTE_UNUSED.
4153 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
4155 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
4156 (SELECT_SECTION): Resync with svr4.h.
4158 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
4160 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
4163 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
4165 * c-pragma.c (handle_pragma_token): Test for null tree before
4166 dereferencing TREE_CODE.
4168 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4170 * config/c4x/c4x.c: Convert to use GEN_INT.
4171 (c4x_parallel_process): Rework to handle new repeat loop structure.
4173 * config/c4x/c4x.md: Convert to use GEN_INT.
4174 (rptb_end): Convert to use GE test. Replace uses with clobbers.
4175 (decrement_and_branch_on_count): Likewise.
4177 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
4178 loop.c has the desired functionality.
4179 (rc_reg_operand): New prototype.
4181 * config/c4x/t-c4x: Can now build all front ends.
4183 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
4185 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
4187 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
4189 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
4190 * config/t-rtems: Do not install assert.h -- use newlib's.
4192 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4194 * combine.c (combine_instructions): When finished, call init_recog.
4195 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
4197 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
4199 * toplev.c: If flag_syntax_only, don't open or write assembler file.
4201 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4203 * cppalloc.c (memory_full): Mark function prototype with
4206 * demangle.h (collect_exit): Likewise.
4208 * fix-header.c (v_fatal, fatal): Likewise.
4210 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
4213 * gcov.c (print_usage): Likewise.
4215 * genattr.c (fatal, fancy_abort): Likewise.
4217 * genattrtab.c (fatal, fancy_abort): Likewise.
4219 * gencodes.c (fatal, fancy_abort): Likewise.
4221 * genconfig.c (fatal, fancy_abort): Likewise.
4223 * genemit.c (fatal, fancy_abort): Likewise.
4225 * genextract.c (fatal, fancy_abort): Likewise.
4227 * genflags.c (fatal, fancy_abort): Likewise.
4229 * genopinit.c (fatal, fancy_abort): Likewise.
4231 * genoutput.c (fatal, fancy_abort): Likewise.
4233 * genpeep.c (fatal, fancy_abort): Likewise.
4235 * genrecog.c (fatal, fancy_abort): Likewise.
4237 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
4238 __sjpopnthrow, __throw): Likewise.
4240 * objc/objc-act.c (objc_fatal): Likewise.
4242 * protoize.c (usage, aux_info_corrupted,
4243 declare_source_confusing): Likewise.
4245 * rtl.c (dump_and_abort): Likewise.
4247 * rtl.h (sets_cc0_p): Likewise.
4249 * toplev.c (float_signal, pipe_closed): Likewise.
4251 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4253 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
4254 when generating the decision tree for the general case.
4256 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
4257 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
4259 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4261 * Makefile.in (sched.o): Depend on recog.h.
4263 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
4264 (unsigned) when comparing against one.
4265 (find_base_value): Likewise.
4266 (record_base_value): Cast variable `regno' to (unsigned) when
4267 comparing against one. Cast the result of REGNO() macro to
4268 (unsigned) when comparing against one.
4269 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
4271 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
4272 variable where an unsigned index is needed.
4274 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
4275 before comparing against one.
4277 * collect2.c: Add prototypes for functions `error', `fatal' and
4278 `fatal_perror'. Make these functions take variable arguments
4279 instead of faking it with a fixed number of args.
4280 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
4283 * combine.c (can_combine_p): Mark parameter `pred' with
4285 (find_split_point): Cast variable `src' to (unsigned
4286 HOST_WIDE_INT) when comparing against one.
4287 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
4288 (simplify_logical): Likewise.
4289 (force_to_mode): Cast result of INTVAL() macro to (unsigned
4290 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
4291 HOST_WIDE_INT) in shift.
4292 (simplify_and_const_int): Cast result of INTVAL() macro to
4293 `unsigned HOST_WIDE_INT' when comparing against one.
4294 (merge_outer_ops): Cast variable const0 to `unsigned
4295 HOST_WIDE_INT' when comparing against the result of
4296 GET_MODE_MASK() macro.
4297 (simplify_comparison): Likewise for variable `c0'. Cast variable
4298 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
4299 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
4300 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
4301 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
4302 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
4303 comparing against one.
4304 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
4306 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
4307 macro to `unsigned HOST_WIDE_INT' when comparing against one.
4308 (output_block_move): Cast `sizeof' expression to (int) when
4309 comparing against one.
4310 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
4312 (save_restore_insns): Cast `base_offset' to `long' to match format
4313 specifier in fprintf.
4315 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
4316 to `enum machine_mode'.
4318 * flow.c (life_analysis_1): Remove unused variable `insn'.
4320 * gcc.c (translate_options): Move variables `j' and `k' into the
4321 scope in which they are used. Change their types to `size_t'.
4322 (set_spec): Cast the argument of ctype macro to `unsigned char'.
4323 (read_specs): Likewise.
4324 (process_command): Cast `sizeof' to (int) when comparing against one.
4325 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
4326 (handle_braces): Cast both sides of `==' expression to `long' to
4327 ensure sign matching.
4328 (main): Cast variable `i' to `int' when comparing against one.
4330 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
4331 int to size_t. Cast variable `i' to size_t when comparing against
4334 * genattrtab.c (convert_set_attr_alternative): Remove unused
4335 parameter `insn_code'. All callers changed.
4336 (convert_set_attr): Likewise.
4338 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
4339 size_t when comparing against one. Likewise for variable `len'.
4341 * global.c (global_alloc): Cast variable `max_regno' to size_t
4342 when comparing against one. Likewise for variable `max_allocno'.
4344 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
4346 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
4347 `set' with ATTRIBUTE_UNUSED.
4348 (find_free_reg): Cast `sizeof' expression to (int) when comparing
4351 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
4352 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
4353 (get_condition): Cast variable `const_val' to `unsigned
4354 HOST_WIDE_INT' when comparing against one. Cast unsigned
4355 expression to HOST_WIDE_INT when comparing against one.
4356 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
4357 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
4358 `unsigned' when comparing against one.
4360 * protoize.c (is_id_char): Change type of parameter `ch' to
4362 (munge_compile_params): Cast argument of ctype macro to (const
4364 (process_aux_info_file): Cast variable `aux_info_size' to int when
4365 comparing against one.
4366 (forward_to_next_token_char): Cast argument of ctype macro to
4367 `const unsigned char'.
4368 (edit_formals_lists): Likewise.
4369 (find_rightmost_formals_list): Likewise.
4370 (add_local_decl): Likewise.
4371 (add_global_decls): Likewise.
4372 (edit_fn_definition): Likewise.
4373 (do_cleaning): Likewise.
4374 (scan_for_missed_items): Likewise.
4375 (edit_file): Cast variable `orig_size' to (int) when comparing
4377 (main): Cast argument of ctype macro to `const unsigned char'.
4379 * recog.c (const_int_operand): Mark parameter `mode' with
4382 * regclass.c (record_reg_classes): Change type of variable `c' to
4383 `unsigned char'. Cast `char' array index to `unsigned char'.
4385 * reload.c (push_secondary_reload): Cast argument to
4386 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
4388 * reload1.c (calculate_needs): Cast `char' array index to
4390 (set_label_offsets): Change type of variable `i' to unsigned int.
4391 Cast result of XVECLEN() macro to unsigned when comparing against
4393 (mark_not_eliminable): Change type of variable `i' to unsigned.
4394 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
4395 when comparing against one.
4396 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
4397 comparing against one.
4398 (choose_reload_regs): Hide unused label `fail'.
4399 (reload_cse_simplify_operands): Cast `char' array index to
4401 (reload_combine_note_store): Mark parameter `set' with
4402 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
4404 (reload_cse_move2add): Remove unused variable `src2'.
4406 * sched.c: Include recog.h.
4407 (sched_note_set): Remove unused parameter `b'. All callers
4409 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
4410 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
4411 when comparing against one.
4413 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
4414 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
4415 comparing against one.
4417 * unroll.c (precondition_loop_p): Remove unused parameter
4418 `loop_end'. All callers changed.
4420 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4422 * reload1.c (maybe_fix_stack_asms): New static function.
4425 * reload.h (compute_use_by_pseudos): Declare.
4427 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
4428 (something_needs_reloads): Delete variable.
4429 (finish_spills): New function.
4430 (compute_use_by_pseudos): New function.
4432 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
4433 Use the reload_insn_chain instead of walking the rtl directly.
4435 (reload): Allocate and free spilled_pseudos.
4436 Ensure that all calls of spill_hard_reg are followed by a call to
4438 Use the insns_need_reload list instead of something_needs_reloads
4439 to find out if reload_as_needed must be called.
4440 Clear unused_insn_chains at the end.
4442 (calculate_needs_all_insns): Lose FIRST parameter. All callers
4444 Delete code to keep track of current basic block.
4445 Walk reload_insn_chain instead of the rtl structure. Build the
4446 insns_need_reload chain.
4447 Remember which insns need reloading/elimination by setting the
4448 appropriate fields in struct insn_chain, not by putting modes on the
4451 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
4452 arg INSN. All callers changed.
4453 Delete declaration of struct needs.
4454 Don't set something_needs_reloads.
4455 Record insn needs in the CHAIN argument.
4457 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
4459 (reload_as_needed): Lose FIRST arg. All callers changed.
4460 Walk the reload_insn_chain instead of the rtx structure.
4461 Delete code to keep track of current basic block.
4462 Rename one of the NEXT variables to OLD_NEXT.
4464 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
4466 (choose_reload_regs): Likewise.
4468 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
4471 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
4472 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
4473 (hard_regs_live, hard_regs_need_restore): Delete variables.
4474 (n_regs_saved): Now static.
4475 (referenced_regs, this_insn_sets): New variables.
4477 (setup_save_areas): Restructure the code a bit.
4479 (restore_referenced_regs): Delete function.
4480 (mark_referenced_regs): New function, similar to the old
4481 restore_referenced_regs, but mark registers in referenced_regs.
4483 (clear_reg_live): Delete function.
4484 (mark_set_regs): Renamed from set_reg_live. All callers changed.
4485 Only mark registers in this_insn_sets.
4487 (save_call_clobbered_regs): Rework this function to walk the
4488 reload_insn_chain instead of using the list of instructions directly.
4489 Delete code to keep track of register lives, compute live regs on the
4490 fly from information in the chain.
4491 Instead of calling restore_referenced_regs, use mark_referenced_regs,
4492 then walk the set it computes and call insert_restore as appropriate.
4494 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
4496 Restructure the code a bit. Test hard_regs_saved instead of
4497 hard_regs_need_restore.
4498 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
4499 args. All callers changed.
4500 Restructure the code a bit. Use TO_SAVE to determine which regs to
4501 save instead of more complicated test.
4502 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
4504 Create a new insn_chain structure for the new insn and place it
4507 * rtl.texi: Update documentation to reflect that reload no longer
4508 puts modes on the insns.
4510 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4512 * function.c (purge_addressof_1): Force the first argument of a
4513 CALL insn to memory.
4515 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
4517 * rtl.h: Delete duplicate prototypes. Add some missing
4519 * rtlanal.c: (for_each_rtx): Formatting tweak.
4521 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4523 * real.c (emdnorm and etoasc): Disable round to even for c4x target
4524 to be compatible with TI compiler.
4526 * Makefile.in (USER_H): Add va-c4x.h to definition.
4528 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
4530 * function.c (purge_addressof_1): Fix typo in inequality: do
4531 bitfield optimization for equal mode sizes.
4532 * expmed.c (store_bit_field): Don't take subregs of subregs in
4533 the movstrict case. Tidy a potential problem in the multi-word case.
4534 (extract_bit_field): Likewise.
4536 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4538 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
4540 Compute max_uid_for_flow by calling get_max_uid after the scan.
4541 (find_basic_blocks_1): Don't emit NOPs here.
4543 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
4545 * alias.c (base_alias_check): Accept new args for the modes of the
4546 two references. Use them to determine if an AND can overlap. Update
4548 (memrefs_conflict_p): Assume sizes are aligned, and uses them
4549 to determine if an AND can overlap.
4551 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
4553 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
4554 check. Add comment to document problems with TARGET_SUN_FPA version
4556 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
4558 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4560 * Makefile.in (gencheck.o): Depend on gansidecl.h.
4562 * c-common.c (print_char_table): Add missing initializers.
4563 (scan_char_table): Likewise.
4564 (time_char_table): Likewise.
4566 * c-decl.c (c_decode_option): Mark parameter `argc' with
4568 (declare_parm_level): Mark parameter `definition_flag' with
4571 * c-lex.c (readescape): Use `(unsigned)1' in shift.
4572 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
4575 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
4577 (emit_call_1): Mark parameters `fndecl' and `funtype' with
4579 (expand_call): Cast result of MIN() to (unsigned int) when
4580 comparing against an unsigned value.
4582 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
4584 (make_definition): Remove unused parameter `op'. All callers
4586 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
4587 comparing against the result of pointer arithmetic.
4589 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
4590 when comparing against one.
4592 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
4593 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
4595 (output_die): Move variable `i' into the scope in which it is
4596 used. Change its type to `unsigned'.
4597 (output_die): Cast the result of `strlen' to (int) when passing it
4598 to ASM_OUTPUT_ASCII().
4599 (output_pubnames): Likewise.
4600 (output_line_info): Likewise.
4602 * emit-rtl.c (global_rtl): Add missing initializers.
4604 * explow.c (promote_mode): Mark parameter `for_call' with
4607 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
4608 `unsigned HOST_WIDE_INT' when comparing against one.
4609 (synth_mult): Change type of variable `cost' to int.
4610 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
4612 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
4613 when comparing against one.
4614 (get_inner_reference): Change variable `alignment' to unsigned.
4615 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
4616 int) when comparing against one.
4617 (expand_builtin_setjmp): Change type of variable `i' to size_t.
4619 * fold-const.c (div_and_round_double): Cast BASE to
4620 (HOST_WIDE_INT) when comparing against one.
4622 * gencheck.c: Include gansidecl.h.
4623 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
4625 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
4626 `tcode' with ATTRIBUTE_UNUSED.
4628 * real.c (edivm): Cast constant value to (unsigned long) in
4629 expression compared against an unsigned value.
4631 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
4632 comparing against one.
4633 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
4634 when comparing against one.
4636 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
4637 (unsigned int) when comparing against one. Likewise for
4639 (smallest_mode_for_size): Likewise.
4640 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
4641 (restore_storage_status): Likewise.
4643 * toplev.c (debug_args): Add missing initializer.
4644 (f_options): Spelling correction. Add missing initializers.
4645 (documented_lang_options): Likewise.
4646 (debug_end_source_file): Mark parameter `lineno' with
4649 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
4650 `decl' and `type' with ATTRIBUTE_UNUSED.
4652 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
4653 when comparing against one.
4654 (assemble_variable): Mark parameter `top_level' with
4656 (assemble_external_libcall): Mark parameter `fun' with
4658 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
4661 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
4663 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
4664 Replace use of r5 with use of r19.
4666 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
4668 * config/v850/v850.c (compute_register_save_size): Allow for the
4669 fact that helper functions save all registers, not just those used
4672 Replace constant 31 with macro LINK_POINTER_REGNUM.
4674 * config/v850/v850.md: Use 'indirect_operand' rather than
4675 'memory_operand' for bit test/set/clear patterns.
4677 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
4679 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
4680 * varasm.c (assemble_start_function et al): Don't call
4681 ASM_GLOBALIZE_LABEL for weak symbols.
4683 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
4685 * cse.c (equiv_constant): Check for NULL return from
4686 gen_lowpart_if_possible().
4688 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
4690 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
4692 * collect2.c (main): Pass -EL/-EB through to the compiler.
4694 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4696 * expr.c (push_block): Handle targets where the stack grows
4697 to higher addresses, but args grow to lower addresses and
4698 ACCUMULATE_OUTGOING_ARGS is not defined.
4700 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
4702 * config/v850/v850.c (print_operand): Extend meaning
4703 of 'c' operands to support .vtinherit.
4705 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4707 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
4708 Added ATTRIBUTE_UNUSED to unused function arguments.
4709 (rc_reg_operand): New predicate.
4710 (c4x_rptb_insert): New function.
4711 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
4712 (c4x_optimization_options): New function.
4714 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
4715 (decrement_and_branch_on_count): New pattern.
4716 (rptb_top): Modified pattern to work with BCT optimization.
4718 * config/c4x/c4x.h (RC_REG): New register class.
4719 (rc_reg_operand): Define prototype.
4720 (IS_RC_REG): New macro.
4721 (IS_RC_OR_PSEUDO_REG): New macro.
4722 (IS_RC_OR_PSEUDO_REGNO): New macro.
4723 (OPTIMIZATION_OPTIONS): Define.
4725 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
4727 * collect2.c (extract_init_priority): No priority is 65535.
4729 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4731 * Makefile.in (build_tooldir): new variable, same as old
4732 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
4733 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
4734 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
4736 * configure.in (gxx_include_dir): set default based on unlibsubdir
4737 * Makefile.in (tooldir): ditto
4738 (cccp.o, cpplib.o): use unlibsubdir implicitly through
4739 gxx_include_dir, includedir and tooldir
4740 (protoize.o, unprotoize.o): ditto
4742 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
4744 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
4746 * config/arm/thumb.c (thumb_override_options): Add warning about
4747 PIC code not being supported just yet.
4749 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
4751 * flow.c: Update comment.
4752 (notice_stack_pointer_modification): New static function.
4753 (record_volatile_insns): Use it.
4754 (mark_regs_live_at_end): Mark the stack pointer as alive
4755 at the end of the function if current_function_sp_is_unchanging
4757 (life_analysis_1): Set current_function_sp_is_unchanging.
4758 * function.c: Define it.
4759 (init_function_start): Initialize it.
4760 * output.h: Declare it.
4761 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
4762 the stack pointer as alive at the end of the function if
4763 current_function_sp_is_unchanging is set.
4764 * i386.c (ix86_epilogue): Optimize the restoring
4765 of the stack pointer.
4767 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
4769 * version.c: Bump for snapshot.
4771 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
4773 * c-pragma.c (handle_pragma_token): If passed a token instead
4774 of a tree, use that as the pack value.
4776 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
4778 * flow.c (find_basic_blocks_1): Fix prototype.
4780 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
4782 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
4783 (struct tree_decl): New fields no_check_memory_usage.
4784 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
4785 (init_attributes): Register it as a new attribute.
4786 (decl_attributes): Set flags on functions given that attribute.
4787 * c-decl.c (duplicate_decls): Merge new attribute.
4788 * expr.h (current_function_check_memory_usage): Declare new var.
4789 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
4790 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
4791 current_function_check_memory_usage.
4792 * function.h: Add field to struct function.
4793 * function.c (current_function_check_memory_usage): Define it.
4794 (push_function_context_to, pop_function_context_from): Save and
4796 (expand_function_start): Set it, based on global flag and function
4799 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
4800 check non-automatic variables, to permit detection of writes to
4801 read-only locations in embedded systems without memory management.
4802 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
4803 when emitting chkr_set_right_libfunc call, even if the argument is
4804 BLKmode or variable-sized; don't abort.
4806 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
4807 symbols in Pmode, not VOIDmode.
4809 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4811 * cppexp.c: When forcing unsigned comparisons, cast both sides
4814 * cpphash.h: Move static declaration of hashtab[]...
4815 * cpphash.c: ...here.
4817 * cpplib.c: Cast difference of two pointers to size_t before
4818 comparing it to size_t. Cast signed to unsigned
4819 before comparing to size_t. (FIXME: struct argdata should use
4820 unsigned buffer sizes.)
4821 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
4822 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
4823 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
4824 size_t before comparison.
4826 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
4828 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
4829 (find_basic_blocks_1): Similarly.
4830 * output.h (find_basic_blocks): Fix prototype.
4831 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
4832 find_basic_blocks anymore.
4834 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
4836 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
4837 (sbitmap_free, sbitmap_vector_free): New macros.
4838 * output.h (rtl_dump_file): Declare.
4840 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
4842 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
4844 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4846 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
4848 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
4849 (divide): Remove unused variable `tmp'.
4850 (si_to_float): Cast numeric constant to (SItype) before comparing
4853 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
4855 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
4856 * gcc.c (add_preprocessor_option): Correct typo when allocating
4857 memory, sizeof() argument had one too many `*'.
4858 (add_assembler_option): Likewise.
4859 (add_linker_option): Likewise.
4860 * gcov.c (output_data): Likewise.
4861 * local-alloc.c (memref_used_between_p): Likewise.
4862 (update_equiv_regs): Likewise.
4863 * loop.c (strength_reduce): Likewise.
4864 * reg-stack.c (record_asm_reg_life): Likewise.
4865 (subst_asm_stack_reg): Likewise.
4866 * reorg.c (dbr_schedule): Likewise.
4868 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4870 * flow.c (life_analysis_1): Break out some functions.
4871 (find_basic_blocks_1): Likewise. Also move some variables out and
4873 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
4874 new static var nonlocal_label_list with it.
4875 (active_eh_region, nested_eh_region, label_value_list,
4876 nonlocal_label_list): New static variables.
4877 (make_edges, delete_unreachable_blocks, delete_block): New static
4878 functions, broken out of find_basic_blocks_1.
4879 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
4880 noop_move_p): New static functions, broken out of life_analysis_1.
4882 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
4884 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
4885 Take extra care for op0 now possibly being a subreg.
4886 (extract_bit_field): Likewise.
4887 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
4888 the reg to memory if there is no equal sized integral mode.
4889 * stor-layout.c (int_mode_for_mode): New function.
4890 * machmode.h: Prototype it.
4892 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
4894 * global.c (build_insn_chain): Verify no real insns exist past the
4895 end of the last basic block, then exit the loop.
4897 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
4899 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
4901 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
4903 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
4905 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
4907 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
4909 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
4911 * flow.c (find_basic_blocks): Correctly determine when a call
4912 is within an exception region.
4914 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
4916 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
4918 * cpplib.h: Protect from multiple inclusions.
4919 * cpplib.c: Fix minor formatting problems.
4921 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
4923 * jump.c (jump_optimize): Revert accidental patch.
4925 * Makefile.in (cpplib.o): Use unlibsubdir.
4927 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
4929 * loop.c (get_condition): Allow combine when either compare is
4932 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
4934 * version.c: Bump for snapshot.
4936 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
4938 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
4939 (init_lex): Initialize ridpointers[RID_BYREF].
4940 * c-lex.h (enum rid): Add RID_BYREF.
4941 * c-parse.gperf: Add RID_BYREF as a type qualifier.
4942 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
4943 (encode_type_qualifiers): Similarly
4944 * c-gperf.h: Rebuilt.
4946 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
4948 * c-common.c (type_for_mode): Only return TItype nodes when
4949 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4950 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
4951 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4952 (init_decl_processing): Only create TItype nodes when
4953 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4954 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
4955 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4957 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4959 * stmt.c (n_occurrences): New static function.
4960 (expand_asm_operands): Verify that all constrains match in the
4961 number of alternatives.
4962 Verify that '+' or '=' are at the beginning of an output constraint.
4963 Don't allow '&' for input operands.
4964 Verify that '%' isn't written for the last operand.
4965 * reload.c (find_reloads): Abort if an asm is found with invalid
4966 constraints; all possible problems ought to be checked for earlier.
4968 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4970 * flags.h (flag_branch_on_count_reg): Always declare
4971 * toplev.c (flag_branch_on_count_reg): Likewise.
4972 * toplev.c: Fix typos.
4974 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
4977 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
4979 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
4981 (find_basic_blocks_1): Add a nop to the end of a basic block when
4982 a trailing call insn does not have abnormal control flow.
4983 * gcse.c (pre_transpout): New variable.
4984 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
4985 (compute_pre_transpout): Calculate it.
4986 (compute_pre_ppinout): Use it to eliminate impossible placements
4987 due to abnormal control flow through calls.
4988 (compute_pre_data): Call compute_pre_transpout.
4990 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4992 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
4994 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
4996 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
4997 and matching define_insns): Tack on a `use' of the table label, so
4998 flow analysis will recognize a tablejump.
5000 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
5002 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
5003 always end basic blocks for abnormal edge reasons.
5005 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
5007 * config/i386/i386.h: Remove definition of
5008 HANDLE_PRAGMA_PACK_PUSH_POP.
5010 * config/i386/go32.h: Add definition of
5011 HANDLE_PRAGMA_PACK_PUSH_POP.
5013 * config/i386/win32.h: Add definition of
5014 HANDLE_PRAGMA_PACK_PUSH_POP.
5016 * config/i386/cygwin32.h: Add definition of
5017 HANDLE_PRAGMA_PACK_PUSH_POP.
5019 * c-pragma.c (insert_pack_attributes): Do not insert
5020 attributes unless #pragma pack(push,<n>) is in effect.
5022 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
5024 * expr.c (emit_group_store): Handle a PARALLEL destination.
5026 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
5028 * gcse.c (pre_insert_insn): When a call ends a bb, insert
5029 the new insns before the argument regs are loaded.
5031 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5033 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
5034 (c-parse.gperf): Update comments describing invocation flags.
5035 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
5037 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
5039 * reload1.c (reload): Call free before clobbering the memory
5040 locations or constants pointers.
5042 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5044 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
5045 for efficiency by checking whether we need to modify the current
5046 stack permission at all.
5047 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
5048 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
5049 __enable_execute_stack libcall here too if
5050 TRANSFER_FROM_TRAMPOLINE is defined.
5051 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
5054 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
5056 * Makefile.in (DRIVER_DEFINES): Remove last change.
5058 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5060 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
5061 insns we're going to copy.
5062 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
5064 * loop.c (count_one_set): Add prototype.
5066 * caller-save.c (restore_referenced_regs): Lose mode argument.
5067 (insert_save): Lose mode argument.
5068 (insert_restore): Lose mode argument.
5069 (insert_one_insn): Lose mode argument.
5070 (save_call_clobbered_regs): Lose mode argument.
5071 (setup_save_areas): Take no argument and return void. All callers
5073 Don't verify validity of memory addresses.
5074 * reload.h (setup_save_ares): Adjust prototype.
5075 (save_call_clobbered_regs): Likewise.
5076 * reload1.c (delete_caller_save_insns): New function.
5077 (caller_save_spill_class): Delete variable.
5078 (caller_save_group_size): Delete variable.
5079 (reload): Call setup_save_areas and save_call_clobbered_regs
5080 in the main loop, before calling calculate_needs_all_insns.
5081 Don't call save_call_clobbered_regs after the loop.
5082 Call delete_caller_save_insns at the end of an iteration if
5084 Delete code to manage caller_save_spill_class.
5085 Emit the final note before setting reload_first_uid.
5086 Simplify test that determines whether reload_as_needed gets run.
5087 (calculate_needs): Delete code to manage caller_save_spill_class.
5089 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
5091 * collect2.c (main): Initialize ld_file_name.
5093 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
5095 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
5096 check for flag_function_sections.
5098 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5100 * cse.c (insert_regs): Fix bug in Sep 24 change.
5102 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5104 * flags.h (flag_dump_unnumbered): Declare.
5105 * toplev.c (flag_dump_unnumbered): Don't declare.
5106 * print-rtl.c (flags.h): Include.
5107 (print_rtl_single): Add return value.
5108 * rtl.h (print_rtl_single): Update declaration.
5109 * flow.c (flag_dump_unnumbered): Don't declare.
5110 (print_rtl_with_bb): Use return value of print_rtl_single.
5112 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5114 * loop.c (count_one_set): New static function, broken out of
5116 (count_loop_regs_set): Call it.
5117 * global.c (mark_reg_store): Handle clobbers here by not calling
5119 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
5120 is in fact a clobber.
5121 * integrate.c (process_reg_param): New function, broken out of
5122 expand_inline_function.
5123 (expand_inline_function): Call it.
5126 * i386.md (addsidi3_1): Delete unused variable temp.
5127 (addsidi3_2): Likewise.
5128 (clstrstrsi): Delete unused variable addr1.
5130 * rtl.h: Don't declare any functions also declared in recog.h.
5132 * Makefile.in (stupid.o): Update dependencies.
5133 (global.o): Likewise.
5135 * global.c: Include reload.h
5136 (reg_becomes_live): New function.
5137 (reg_dies): New function.
5138 (build_insn_chain): New function.
5139 (global_alloc): Call build_insn_chain before calling reload.
5141 * reload.h (struct needs): New structure definition.
5142 (struct insn_chain): Likewise.
5143 (reload_insn_chain): Declare variable.
5144 (new_insn_chain): Declare function.
5147 * reload1.c (reload_startobj): New variable.
5148 (reload_insn_chain): New variable.
5149 (unused_insn_chains): New variable.
5150 (new_insn_chain): New function.
5151 (init_reload): Initialize reload_startobj, not reload_firstobj.
5152 (reload): Initialize reload_firstobj.
5153 Before returning, free everything on the reload_obstack.
5155 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
5156 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
5157 current_chain): New variables.
5158 (reg_where_born): Delete variable.
5159 (REG_WHERE_BORN): New macro.
5160 (find_clobbered_regs): New function.
5161 (stupid_life_analysis): Don't allocate/free reg_where_born.
5162 Allocate and free reg_where_born_exact, reg_where_born_clobber,
5163 reg_where_dead_chain.
5164 Use REG_WHERE_BORN instead of reg_where_born.
5165 While processing the insns, build the reload_insn_chain with
5166 information about register lifetimes.
5167 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
5168 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
5170 Compute and information about birth and death of pseudo registers in
5171 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
5172 Delete code to set elements of reg_where_born.
5174 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5176 * tree.def (GOTO_EXPR): Modified documentation.
5177 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
5180 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
5182 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
5183 loop_final_value, loop_comparison_code): No longer static.
5184 (unroll_loop): Delete loop_start_value update.
5185 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
5186 loop_final_value, loop_comparison_code): Extern.
5187 (loop_start_value): Delete extern.
5188 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
5189 loop_comparison_value, loop_comparison_code): Delete.
5190 (loop_optimize): Remove initialization for deleted variables.
5191 (strength_reduce): Delete analyze_loop_iterations call. Only call
5192 insert_bct if flag_branch_count_on_reg set.
5193 (analyze_loop_iterations): Delete.
5194 (insert_bct): Remove iteration count calculation. Move checks for
5195 viable BCT optimization to here. Obtain iteration count from
5196 loop_iterations and correct for unrolling. Check for enough
5197 iteration to be beneficial. Comment out runtime iteration count
5199 (insert_bct): Print iteration count in dump file. Remove
5200 loop_var_mode and use word_mode directly.
5202 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
5203 * rs6000.c (rs6000_override_options): Use it.
5204 (optimization_options): Enable use of flag_branch_on_count_reg.
5205 * rs6000.md (define_function_unit): Describe 604e.
5207 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5209 * loop.c (move_movables): Corrected threshold calculation for
5210 moved_once registers.
5212 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5214 * loop.c (combine_givs_p): Fix test for identical givs.
5216 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
5218 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
5219 call abort if the function is already defined.
5221 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
5223 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
5224 truncation is not a no-op.
5226 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
5228 * version.c: Bump for snapshot.
5230 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
5232 * version.c: Bump for snapshot.
5234 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
5236 * expmed.c (expand_divmod): Don't widen for computing remainder
5237 if we seem to have a divmod pattern for needed mode.
5239 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5241 * cpplib.c (macroexpand): Correct off-by-one error in handling
5244 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
5246 * combine.c (expand_field_assignment): Don't do bitwise operations
5247 on MODE_FLOAT; pun to MODE_INT if possible.
5249 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
5250 scott snyder <snyder@d0sgif.fnal.gov>
5252 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
5253 linker. Recognize mangled names in quotes.
5255 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5257 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
5258 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
5259 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
5260 (lshrsi3_extend, lshrsi3_extend2): Ditto.
5262 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5264 * function.c (purge_addressof_1): If trying to take a sub-word
5265 integral piece of a floating point mode, put it on the stack.
5267 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
5269 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
5271 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
5273 * PROJECTS: Remove template friends.
5275 * collect2.c (sort_ids): Remove unused variable.
5277 * tm.texi (MATH_LIBRARY): Document.
5278 (NEED_MATH_LIBRARY): Remove.
5280 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
5281 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
5283 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
5285 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
5286 last_end to 0x7fffffff.
5288 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5290 * function.c (purge_addressof_1): Do not perform endianness
5291 corrections on bitpos, who we call will do it for us.
5293 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
5295 * h8300.c (WORD_REG_USED): Fix typo.
5296 (initial_offset): Use WORD_REG_USED.
5298 * h8300.c (handle_pragma): Fix typo.
5300 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5302 * caller-save.c (insert_save_restore): Break this function up
5303 into new functions insert_restore, insert_save and insert_one_insn.
5304 All callers changed.
5305 (insert_restore): New function, mostly broken out of
5306 insert_save_restore.
5307 (insert_save): Likewise.
5308 (insert_one_insn): Likewise.
5309 (restore_referenced_regs): New argument BLOCK. All callers changed.
5310 (save_call_clobbered_regs): Don't keep track of basic block boundaries
5311 in this function, do it in insert_one_insn instead.
5313 * reload1.c (reload): Break out some more pieces into separate
5315 (dump_needs): New function, broken out of reload.
5316 (set_initial_elim_offsets): Likewise.
5317 (init_elim_table): Likewise.
5318 (update_eliminables): Likewise.
5320 * global.c (global_alloc): Delete code to manage the scratch_list.
5321 * local-alloc.c (qty_scratch_rtx): Delete.
5322 (scratch_block): Delete.
5323 (scratch_list): Delete.
5324 (scratch_list_length): Delete.
5325 (scratch_index): Delete.
5326 (alloc_qty_for_scratch): Delete.
5327 (local-alloc): Update initialization of max_qty.
5328 Delete code to manage the scratch list.
5329 Delete code to allocate/initialize qty_scratch_rtx.
5330 (block_alloc): Don't allocate quantities for scratches.
5331 Delete code to manage the scratch list.
5332 * regs.h (scratch_list): Delete declaration.
5333 (scratch_block): Delete declaration.
5334 (scratch_list_length): Delete declaration.
5335 * reload1.c (reload): Delete code to manage the scratch list.
5336 (spill_hard_reg): Likewise.
5337 (mark_scratch_live): Delete.
5339 * recog.c (alter_subreg): Delete declaration.
5341 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
5343 * Makefile.in (cccp.o): Fix typo in last patch.
5345 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5347 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
5348 * config/sh/lib1funcs.asm (___set_fpscr): Add.
5350 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
5352 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
5353 NULL_RTX as an argument.
5355 * Makefile.in (unlibsubdir): Define.
5356 (DRIVER_DEFINES): Use unlibsubdir.
5357 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
5358 (stmp-fixinc): Similarly.
5360 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5362 * regmove.c (regmove_optimize): Add variable old_max_uid.
5363 At the end of the function, update basic_block_end.
5365 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5367 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
5368 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
5371 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
5373 * config/arm/arm.c: Improve interworking support.
5375 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5377 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
5378 copied from reload_out[r] .
5380 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
5382 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
5383 with more than three size ranges.
5385 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
5387 * rtl.c (mode_name): Add a null string at the end of the array.
5388 (mode_wider_mode): Change type to unsigned char.
5389 (mode_mask_array): New variable.
5390 (init_rtl): Update for mode_wider_mode type change.
5392 * rtl.h (mode_wider_mode): Change type to unsigned char.
5393 (mode_mask_array): Declare.
5394 (GET_MODE_MASK): Use mode_mask_array.
5396 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
5398 * calls.c (expand_call) : Encapsulate code into
5399 copy_blkmode_from_reg.
5400 * expr.c (copy_blkmode_from_reg): New function.
5401 * expr.h (copy_blkmode_from_reg): New function.
5402 * integrate.c (function_cannot_inline_p): We can inline
5404 (expand_inline_function): Use copy_blkmode_from_reg
5405 if needed. Avoid creating BLKmode REGs.
5406 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
5409 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
5411 * config/v850/v850.c: Add function prototypes.
5412 Add support for v850 special data areas.
5414 * config/v850/v850.h: Add support for v850 special data areas.
5416 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
5417 HANDLE_PRAGMA_PACK_PUSH_POP.
5418 (push_alignment): New function: Cache an alignment requested
5419 by a #pragma pack(push,<n>).
5420 (pop_alignment): New function: Pop an alignment from the
5422 (insert_pack_attributes): New function: Generate __packed__
5423 and __aligned__ attributes for new decls whilst a #pragma pack
5425 (add_weak): New function: Cache a #pragma weak directive.
5426 (handle_pragma_token): Document calling conventions. Add
5427 support for #pragma pack(push,<n>) and #pragma pack (pop).
5429 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
5430 are defined enable HANDLE_PRAGMA_PACK.
5431 Move 'struct weak_syms' here (from varasm.c).
5432 Add pragma states for push and pop pragmas.
5434 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
5437 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
5438 HANDLE_GENERIC_PRAGMAS.
5440 * varasm.c: Move definition of 'struct weak_syms' into
5442 (handle_pragma_weak): Deleted.
5444 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5446 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5448 * c-decl.c (start_function): Add invocation of
5449 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
5451 * tm.texi: Remove description of non-existant macro
5452 SET_DEFAULT_SECTION_NAME.
5454 (HANDLE_SYSV_PRAGMA): Document.
5455 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
5457 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
5459 * config.sub: Recognize i[34567]86-pc-udk as new target.
5460 * configure.in: Likewise.
5461 * config/i386/t-udk: New file.
5462 * config/i386/udk.h: New file.
5464 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
5466 * reorg.c (check_annul_list_true_false): Remove unused variables.
5467 (steal_delay_list_from_target): Add missing "used_annul" variable.
5468 (try_merge_delay_insns): Close out half formed comment.
5470 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5472 * cpplib.c (macroexpand): If arg->raw_before or
5473 arg->raw_after, remove any no-reexpansion escape at the
5474 beginning of the pasted token. Correct handling of whitespace
5475 markers and no-reexpand markers at the end if arg->raw_after.
5477 * toplev.c (documented_lang_options): Recognize -include,
5478 -imacros, -iwithprefix, -iwithprefixbefore.
5479 * cpplib.c (cpp_start_read): Process -imacros and -include
5480 switches at the same time and in command-line order, after
5481 initializing the dependency-output code. Emit properly nested
5482 #line directives for them. Emit a #line for the main file
5483 before processing these switches, and don't do it again
5486 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
5488 * function.c (purge_addressof_1): Use bitfield manipulation
5489 routines to handle mem mode < reg mode.
5491 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5493 * reorg.c (try_merge_delay_insns): Account for resources referenced
5494 in each instruction in INSN's delay list before trying to eliminate
5495 useless instructions. Similarly when looking at a trial insn's delay
5498 * reorg.c (check_annul_list_true_false): New function.
5499 (steal_delay_list_from_{target,fallthrough}): Call it and also
5500 refine tests for when we may annul if already filled a slot.
5501 (fill_slots_from_thread): Likewise.
5502 (delete_from_delay_slot): Return newly-created thread.
5503 (try_merge_delay_isns): Use its new return value.
5505 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
5507 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
5508 used to compute a giv or as some other non-counting use.
5510 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5512 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
5513 * local-alloc.c (find_free_reg): Use it.
5514 * global.c (find_reg): Likewise.
5515 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
5517 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
5518 * caller-save.c (init_caller_save): Use it.
5519 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
5521 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5523 * configure.in: Add --enable-cpplib option which uses cpplib
5524 for cpp, but doesn't link cpplib into cc1. Make help text
5525 capitalization consistent.
5526 * configure: Rebuilt.
5528 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
5530 * function.c (gen_mem_addressof): If the address REG is
5531 REG_USERVAR_P make the new REG be so also.
5532 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
5533 in an attempt to clarify slightly.
5535 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
5537 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
5538 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
5540 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
5542 * toplev.c: Fix last patch.
5544 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
5546 * loop.c (get_condition): Fix typo in May 9 change.
5548 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5550 * invoke.texi (-fexceptions): Merge 2 different descriptions.
5552 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5554 * toplev.c (documented_lang_options): Spelling corrections.
5556 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5558 * configure.in: new flags --with-ld and --with-as, equivalent
5559 to setting LD and AS environment variables. Test whether
5560 specified arguments are GNU commands, and report them with
5561 checking messages. Use the specified AS for configure
5564 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
5566 * gcc.c (find_a_file): when looking for `as' and `ld', return
5567 the DEFAULT program if it exists
5568 * collect2.c (main): use DEFAULT_LINKER if it exists
5570 * gcc.c (find_a_file): the test for existence of a full
5571 pathname was reversed
5573 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
5575 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
5576 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
5578 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
5580 * tree.h (TYPE_BINFO): Document.
5582 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
5584 * i386-coff.h (dbxcoff.h): Added.
5586 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
5588 * toplev.c: fix bad patch around flag_data_sections.
5590 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
5592 * reload1.c (reload): Use reload_address_index_reg_class and
5593 reload_address_base_reg_class when setting
5594 caller_save_spill_class. (Patch generated by Jim Wilson:
5597 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
5599 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
5600 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
5601 * expr.c (store_field): Add alias_set parameter. Set the
5602 MEM_ALIAS_SET accordingly, if the target is a MEM.
5603 (expand_assignment): Use it.
5604 (store_constructor_field): Pass 0.
5605 (expand_expr): Likewise.
5607 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
5609 * flags.h: Add flag_data_sections.
5610 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
5611 (compile_file): Error if flag_data_sections not supported.
5612 * varasm.c (assemble_variable): Handle flag_data_sections.
5613 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
5614 * config/mips/elf.h: Likewise.
5615 * config/mips/elf64.h: Likewise.
5616 * invoke.texi: Describe -fdata-sections.
5618 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
5620 * invoke.texi (-ffloat-store): Clarify that this option
5621 does not affect intermediate results -- only variables.
5623 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
5625 * cpp.texi: Update for Fortran usage from Craig.
5627 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5629 * rs6000.c (function_arg_boundary): Revert accidental change on
5632 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
5634 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
5635 (output_mi_thunk): Declare.
5637 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
5638 (output_function_profiler): Use r12 for temp, instead of r11 so
5639 that we preserve the static chain register.
5641 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
5643 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
5645 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5647 * sh.c (gen_shl_sext): Fix case 5.
5649 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5651 * reload1.c (reload_combine): Re-add line that got accidentally lost.
5653 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5655 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
5656 accessing variables until they are initialized via va_arg().
5658 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5660 * reload1.c (reload_combine): Initialize set before using.
5662 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
5664 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
5667 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
5669 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
5670 operand3 with mask before using it. Patch provided by Jim Wilson.
5672 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5674 * config/sparc/sparc.c (function_value): Perform the equivalent of
5675 PROMOTE_MODE for ARCH64.
5676 (eligible_for_epilogue_delay): Allow DImode operations in delay
5677 slot of a return for ARCH64.
5679 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5681 * sh.md (sqrtsf2): Fix mode of sqrt.
5683 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5685 * reload1.c (choose_reload_regs): Also try inheritance when
5686 reload_in is a stack slot of a pseudo, even if we already got a
5689 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5691 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
5692 (reload_cse_regs): New function body: call reload_cse_regs_1,
5693 reload_combine, reload_cse_move2add.
5694 When doing expensive_optimizations, call reload_cse_regs_1 a
5695 second time after reload_cse_move2add.
5696 (reload_combine, reload_combine_note_store): New functions.
5697 (reload_combine_note_use): New function.
5698 (reload_cse_move2add, move2add_note_store): New functions.
5700 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5702 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
5703 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
5705 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
5706 more than 3 such reloads.
5708 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
5709 RELOAD_FOR_X_ADDR_ADDR reload.
5711 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5713 * expr.c (store_constructor): When initializing a field that is smaller
5714 than a word, at the start of a word, try to widen it to a full word.
5716 * cse.c (cse_insn): When we are about to change a register,
5717 remove any invalid references to it.
5719 (remove_invalid_subreg_refs): New function.
5720 (mention_regs): Special treatment for SUBREGs.
5721 (insert_regs): Don't strip SUBREG for call to mention_regs.
5722 Check if reg_tick needs to be bumped up before that call.
5723 (lookup_as_function): Try to match known word_mode constants when
5724 looking for a norrower constant.
5725 (canon_hash): Special treatment for SUBREGs.
5727 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5729 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
5730 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
5731 defined, emit libcall to __enable_execute_stack. Also fix opcodes
5732 and offsets in actual stack trampoline code so they match the
5733 commentary and actually work.
5735 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5737 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
5739 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
5740 tmake_file. Set extra_parts to needed crt objects.
5741 * configure: Rebuilt.
5742 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
5743 (TARGET_DEFAULT): Set if default is v9 or ultra.
5744 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
5745 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
5746 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
5747 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
5748 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
5749 (TARGET_VERSION): Define.
5750 (MULTILIB_DEFAULT): Define.
5751 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
5752 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
5753 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
5755 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
5756 * config/sparc/sparc.c (sparc_override_options): If arch and
5757 pointer size disagree, emit diagnostic and fix it up. If
5758 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
5759 V8PLUS in 64-bit mode.
5760 * config/sparc/t-linux64: New file.
5761 * config/sparc/t-sol2-64: New file.
5762 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
5763 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
5764 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
5765 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
5766 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
5767 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
5769 (STARTFILE_SPEC): Set approriately based upon those.
5770 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
5771 disposition of DEFAULT_ARCH32_P.
5772 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
5773 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
5774 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
5775 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
5776 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
5778 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
5780 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
5782 * rtl.h (init_virtual_regs): New function.
5783 * emit-rtl.c (init_virtual_regs): Define.
5784 (insn_emit): Use it.
5785 * integrate.c (save_for_inline_copying): Likewise.
5787 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
5789 * config/arm/thumb.h: The following patches were made by Jim Wilson:
5790 (enum reg_class): Add NONARG_LO_REGS support.
5791 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5792 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
5793 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
5794 completes. Re-enable HImode REG+OFFSET addresses.
5795 (LEGITIMIZE_RELOAD_ADDRESS): Define.
5797 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
5799 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
5801 * alpha.c (get_aligned_mem): Revert Sep 20 change.
5802 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
5803 (alpha_align_insns): Properly calculate initial offset wrt max_align.
5805 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
5807 * arm.c (find_barrier): Revert change of Apr 23. Handle table
5808 jumps as a single entity, taking into account the size of the
5811 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5813 * tree.def (SWITCH_EXPR): New tree node definition.
5815 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
5817 * version.c: Bump for snapshot.
5819 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
5821 * version.c: Bump for snapshot.
5823 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
5825 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
5828 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
5830 * Revert this patch.
5831 * reload.c (find_reloads): Do not replace a pseudo with
5832 (MEM (reg_equiv_addr)) in the initializing insn for the
5835 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
5837 * final.c (final_scan_insn): Disable tracking CC across branches.
5839 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5841 * expr.h (eh_rtime_match_libfunc): New extern declaration.
5842 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
5843 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
5844 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
5845 NULL. Only include <stdio.h> if inhibit_libc is not defined.
5847 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
5849 * toplev.c (rest_of_compilation): Skip compiling anything with
5850 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
5852 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
5854 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
5855 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
5856 use in_libcall_block.
5857 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
5858 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
5861 Mon Sep 21 14:02:23 1998
5863 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
5864 typo in no-fancy-math-387 description.
5866 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
5868 * version.c: Bump for snapshot.
5870 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
5872 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
5874 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
5876 * i386.h: (TARGET_SWITCHES) Add description fields for flags
5877 documented in install.texi.
5878 (TARGET_OPTIONS) Likewise.
5880 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
5882 * version.c: Bump for snapshot.
5884 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
5886 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
5887 * cccp.c (main): Likewise.
5889 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
5890 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
5893 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
5895 * Makefile.in (LIBS): Link in libiberty.a.
5896 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
5898 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
5900 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
5901 it to update bb boundaries. Update caller.
5902 * function.c (reposition_prologue_and_epilogue_notes): Update
5903 bb boundaries wrt the moved note.
5905 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
5907 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
5909 * configure: Regenerate.
5911 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
5913 * alpha.c (alpha_sr_alias_set): New variable.
5914 (override_options): Set it.
5915 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
5916 (mode_mask_operand): Fix signed-unsigned comparision warning.
5917 (alpha_expand_block_move): Likewise.
5918 (print_operand): Likewise.
5919 (get_aligned_mem): Use change_address.
5920 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
5921 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
5922 (alphaev4_next_nop, alphaev5_next_nop): New functions.
5923 (alpha_align_insns): Remade from old alphaev5_align_insns
5924 to handle multiple processors.
5925 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
5926 * output.h (label_to_alignment): Prototype.
5928 * tree.c (new_alias_set): New function.
5929 * tree.h (new_alias_set): Declare it.
5930 * c-common.c (c_get_alias_set): Use it.
5932 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
5934 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
5935 to an ABS expr, convert an unsigned input to signed.
5937 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
5939 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
5941 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5943 * configure.in: Add support for c4x targets.
5944 * configure: Rebuilt.
5946 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
5948 * combine.c (distribute_notes): If an insn is a cc0 user, only
5949 delete it if we can also delete the cc0 setter.
5951 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
5953 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
5954 (invert_truthvalue): Enable truthvalue inversion for
5955 floating-point operands if -ffast-math.
5957 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
5959 * configure.in: Disable collect2 for nextstep. Instead use
5961 * configure: Rebuilt.
5962 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
5963 (ENDFILE_SPEC): Define.
5964 (OBJECT_FORMAT_MACHO): Define.
5965 (EH_FRAME_SECTION_ASM_OP): Define.
5966 * crtstuff.c: Handle MACHO.
5968 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
5970 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
5972 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
5974 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
5975 (_fpadd_parts): Get sign right for 0.
5977 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5979 * ginclude/varargs.h: Add support for C4x target.
5980 * ginclude/stdargs.h: Likewise.
5982 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
5984 * alpha.c (alpha_return_addr): SET should be VOIDmode.
5985 (alpha_emit_set_long_const): Rewrite to be callable from reload
5987 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
5988 * alpha.md (movdi): Likewise.
5990 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
5992 * arm.c (add_constant): New parameter address_only, change caller.
5993 Set it non-zero if taking the address of an item in the pool.
5994 (arm_reorg): Handle cases where we need the address of an item in
5997 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
5999 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
6000 memory addresses that are not in standard canonical form.
6002 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
6004 * README.C4X: New file with information about the c4x ports.
6005 * ginclude/va-c4x.h: New file for c4x varargs support.
6006 * config/c4x: New directory with c4x port files.
6008 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
6010 * reload.c (find_reloads): Do not replace a pseudo with
6011 (MEM (reg_equiv_addr)) in the initializing insn for the
6014 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
6016 * toplev.c (rest_of_compilation): Set bct_p on second call to
6018 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
6020 (strength_reduce): Only call analyze_loop_iterations and
6021 insert_bct if bct_p set.
6022 (check_dbra_loop): Fix typo.
6023 (insert_bct): Use word_mode instead of SImode.
6024 (instrument_loop_bct): Likewise. Do not delete iteration count
6025 condition code generation insn. Initialize iteration count before
6027 * rtl.h (loop_optimize): Update prototype.
6029 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
6030 not doubleword aligned.
6032 * rs6000.c (optimization_options): New function.
6033 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
6034 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
6035 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
6036 first; cr1 can be used for FP record condition insns.
6038 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
6040 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
6043 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
6046 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
6048 (block_move_call): New function: Call a library routine to copy a
6050 (m32r_expand_block_move): New function: Expand a "movstrsi"
6051 pattern into a sequence of insns.
6052 (m32r_output_block_move): New function: Expand a
6053 "movstrsi_internal" pattern into a sequence of assembler opcodes.
6054 (m32r_block_immediate_operand): New function: Return true if the
6055 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
6057 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6059 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
6061 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
6063 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6065 * regmove.c (copy_src_to_dest): Check that modes match.
6067 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
6069 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
6071 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
6073 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
6074 narrower than FLOAT_REGS.
6076 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6078 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
6080 * Makefile.in (old_gxx_include_dir): removed
6082 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
6084 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
6087 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
6088 (sh_handle_pragma): Change function arguments to match new
6089 specification for HANDLE_PRAGMA.
6091 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6093 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
6095 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
6096 When generating output, initialize missing struct member to zero.
6098 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6100 * regmove.c (copy_src_to_dest): Don't copy if that requires
6101 (a) new register(s).
6103 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6105 * global.c (reg_allocno): Now static.
6106 * reload1.c (reg_allocno): Delete declaration.
6107 (order_regs_for_reload): Take no arguments. Don't treat regs
6108 allocated by global differently than those allocated by local-alloc.
6110 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
6112 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
6113 condition, fix format strings.
6114 (output_function_epilogue): Likewise.
6116 * m68k/m68k.c: Don't include <stdlib.h> directly.
6118 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
6120 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
6121 mem_first_set, mem_last_set; because 0 can be a CUID.
6122 (oprs_unchanged_p): Use new definition.
6123 (record_last_reg_set_info): Likewise.
6124 (record_last_mem_set_info): Likewise.
6125 (compute_hash_table): Likewise.
6127 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
6129 * rs6000.c (output_epilogue): Handle Chill.
6131 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
6132 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
6134 * combine.c (make_extraction): If no mode is specified for
6135 an operand of insv, extv, or extzv, default it to word_mode.
6136 (simplify_comparison): Similarly.
6137 * expmed.c (store_bit_field): Similarly.
6138 (extract_bit_field): Similarly.
6139 * function.c (fixup_var_regs_1): Similarly.
6140 * recog.c (validate_replace_rtx_1): Similarly.
6141 * mips.md (extv, extzv, insv expanders): Default modes for most
6142 operands. Handle TARGET_64BIT.
6143 (movdi_uld, movdi_usd): New patterns.
6145 * pa.c (emit_move_sequence): Do not replace a pseudo with its
6146 equivalent memory location unless we have been provided a scratch
6147 register. Similarly do not call find_replacement unless a
6148 scratch register has been provided.
6150 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6152 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
6155 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
6157 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
6158 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
6159 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
6160 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
6161 * c-decl.c (init_decl_processing): Update accordingly.
6162 * expr.c (expand_builtin): Likewise.
6164 * rtl.h (global_rtl): Add cfa entry.
6165 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
6166 (LAST_VIRTUAL_REGISTER): Update.
6167 * emit-rtl.c (global_rtl): Add cfa entry.
6168 (init_emit): Initialize it.
6169 * function.c (cfa_offset): New.
6170 (instantiate_virtual_regs): Initialize it.
6171 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
6172 (expand_function_end): Call expand_eh_return.
6173 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
6175 * except.c (current_function_eh_stub_label): Kill.
6176 (current_function_eh_old_stub_label): Likwise; update all references.
6177 (expand_builtin_set_return_addr_reg): Kill.
6178 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
6179 (expand_builtin_set_eh_regs): Kill.
6180 (eh_regs): Produce a third reg for the actual handler address.
6181 (eh_return_context, eh_return_stack_adjust): New.
6182 (eh_return_handler, eh_return_stub_label): New.
6183 (init_eh_for_function): Initialize them.
6184 (expand_builtin_eh_return, expand_eh_return): New.
6185 * except.h: Update prototypes.
6186 * flow.c (find_basic_blocks_1): Update references to the stub label.
6187 * function.h (struct function): Kill stub label elements.
6189 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
6190 register number is one that would be in the previous window.
6191 Provide a dummy definition for non-windowed targets.
6192 (get_reg_addr): New function.
6193 (get_reg, put_reg, copy_reg): Use it.
6194 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
6195 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
6197 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
6198 (alpha_init_expanders): Initialize it.
6199 (alpha_expand_epilogue): Use it.
6200 * alpha.h: Declare it.
6201 * alpha.md (eh_epilogue): New.
6203 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
6204 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
6206 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
6208 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
6211 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6213 * except.h (struct eh_entry): Add false_label field.
6214 (end_catch_handler): Add prototype.
6215 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
6216 (start_catch_handler): When using old style exceptions, issue
6217 runtime typematch code before continuing with the handler.
6218 (end_catch_handler): New function, generates label after handler
6219 if needed by older style exceptions.
6220 (expand_start_all_catch): No need to check for new style exceptions.
6221 (output_exception_table_entry): Only output the first handler label
6222 for old style exceptions.
6223 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
6224 mechanism into one function, if a runtime matcher is provided.
6226 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6228 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
6230 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
6232 * integrate.c (copy_decl_list): Fix typo.
6234 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6236 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
6239 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
6241 * version.c: Bump for snapshot.
6243 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
6245 * version.c: Bump for snapshot.
6247 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
6249 * version.c: Bump for snapshot.
6251 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6253 * invoke.texi (C Dialect Options): Put back missing @end itemize.
6255 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6257 * configure.in: remove usage of `!' to negate the result of a
6258 command; some common shells do not support it
6260 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6262 * configure.in: in sparc9-sol2 config, use 'if test' not
6264 * configure: Rebuilt.
6266 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
6268 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
6269 (CPP_CPU_DEFAULT_SPEC): Likewise.
6270 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
6271 for arch64 libfuncs.
6273 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
6276 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6278 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
6280 * collect2.c: Don't declare `sys_siglist' here.
6281 (my_strsignal): Prototype and define new function. Use it in
6282 place of `sys_siglist' hacks.
6284 * mips_tfile.c: Likewise.
6286 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
6287 (GCC_NEED_DECLARATIONS): Likewise.
6289 * system.h (strsignal): Prototype it, if necessary.
6290 (sys_siglist): Declare it, if necessary.
6292 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6294 * loop.c (move_movables): While removing insn sequences, preserve
6295 the next pointer of the most recently deleted insn when we skip
6298 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
6300 * objc/config-lang.in: Do not output the name of the selected
6301 thread file when building the front-end. The Makefile for the
6302 runtime library will do this.
6304 * objc/Make-lang.in: Do not build the runtime library or install
6305 the Objective C header files. The Makefile for the runtime
6306 library will do this.
6308 * objc/Makefile.in (all.indirect): Only build the front-end.
6309 (compiler): Rename to `frontend'.
6310 (obj-runtime): Remove target.
6311 (copy-headers): Likewise.
6312 (clean): No need to remove `libobjc.a' any longer.
6314 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
6316 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
6317 supported with -mcpu=xxx.
6319 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6321 * flow.c (mark_set_1): Recognize multi-register structure return
6322 values in CALL insns.
6323 (mark_used_regs): Likewise.
6324 (count_reg_sets_1): Likewise.
6325 (count_reg_references): Likewise.
6326 * rtlanal.c (note_stores): Likewise.
6327 (reg_overlap_mentioned_p): Likewise.
6328 * haifa-sched.c (check_live_1): Likewise.
6329 (update_live_1): Likewise.
6330 (sched_analyze_1): Likewise.
6331 (sched_note_set): Likewise.
6332 (birthing_insn_p): Likewise.
6333 (attach_deaths): Likewise.
6335 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
6338 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
6340 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
6342 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6344 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
6346 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6348 * configure.in: Add check for GAS subsection -1 support.
6349 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
6350 * configure config.in: Rebuilt.
6351 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
6352 SImode is subsection -1 works, else use DImode.
6353 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
6354 subsection -1 works.
6355 * config/sparc/sparc.c (sparc_output_addr_vec,
6356 sparc_output_addr_diff_vec): Use them if defined.
6358 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
6360 * tree.h (DECL_ORIGIN): New macro.
6361 * integrate.c (copy_and_set_decl_abstract_origin): New function.
6362 (copy_decl_list): Use it.
6363 (integrate_parm_decls): Likewise.
6364 (integrate_decl_tree): Likewise.
6365 * dwarf2out.c (decl_ultimate_origin): Simplify.
6366 * dwarfout.c (decl_ultimate_origin): Likewise.
6367 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
6368 (pushdecl): Likewise.
6370 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
6372 * config/rs6000/rs6000.c (output_epilog): Add Java support.
6374 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
6376 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
6378 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
6380 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
6381 empty or has a single entry.
6383 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
6384 before calling reg_to_stack.
6386 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
6388 * alpha.c (alphaev5_insn_pipe): Abort on default case.
6389 (alphaev5_next_group): Swallow CLOBBERs and USEs.
6391 * c-tree.h (warn_long_long): Declare it.
6393 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
6395 * emit-rtl.c (gen_lowpart_common): Disable optimization of
6396 initialized float-int union if the value is a NaN.
6398 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
6400 * c-lex.c (real_yylex): Don't warn about long long constants if
6401 we're allowing long long
6403 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6405 * except.h (current_function_eh_stub_label): Declare.
6406 (current_function_eh_old_stub_label): Declare.
6407 * function.h (struct function): New members eh_stub_label and
6409 * except.c (current_function_eh_stub_label): New variable.
6410 (current_function_eh_old_stub_label): New variable.
6411 (init_eh_for_function): Clear them.
6412 (save_eh_status): Save them.
6413 (restore_eh_status): Restore them.
6414 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
6415 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
6416 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
6417 make an edge from the block that contains it to the block starting
6418 with the label if this label is one of the eh stub labels.
6419 If eh stub labels exist, show they are reachable from the last block
6422 * reload1.c (reload): Break out several subroutines and make some
6424 (calculate_needs_all_insns): New function, broken out of reload.
6425 (calculate_needs): Likewise.
6426 (find_reload_regs): Likewise.
6427 (find_group): Likewise.
6428 (find_tworeg_group): Likewise.
6429 (something_needs_reloads): New global variable, formerly in reload.
6430 (something_needs_elimination): Likewise.
6431 (caller_save_spill_class): Likewise.
6432 (caller_save_group_size): Likewise.
6433 (max_needs): Likewise.
6434 (group_size): Likewise.
6435 (max_groups): Likewise.
6436 (max_nongroups): Likewise.
6437 (group_mode): Likewise.
6438 (max_needs_insn): Likewise.
6439 (max_groups_insn): Likewise.
6440 (max_nongroups_insn): Likewise.
6441 (failure): Likewise.
6443 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
6445 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
6447 * loop.c (load_mems): Copy rtx for output mem.
6449 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
6451 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
6452 mips1 or mips2 either.
6454 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
6456 * pa.c (pa_reorg): New marking scheme for jumps inside switch
6458 (pa_adjust_insn_length): Update to work with new marking scheme
6459 for jumps inside switch tables.
6460 * pa.md (switch_jump): Remove pattern.
6461 (jump): Handle jumps inside jump tables.
6463 * Makefile.in (profile.o): Depend on insn-config.h
6465 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
6467 * iris6.h (DWARF2_UNWIND_INFO): Undef.
6469 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6471 Add preliminary native sparcv9 Solaris support.
6472 * configure.in: Recognize sparv9-*-solaris2*
6473 * configure: rebuilt
6474 * config.sub: Recognize sparcv9 just like sparc64.
6475 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
6476 config/sparc/sol2-cn.asm: Macroize so it can be shared between
6477 32-bit and 64-bit Solaris systems.
6478 * config/sparc/t-sol2: Assemble those with cpp.
6479 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
6480 (*TF*_LIBCALL): If ARCH64 use V9 names.
6481 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
6483 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6485 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
6486 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
6488 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
6490 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
6491 to Pmode if CASE_VECTOR_MODE is something else.
6493 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
6495 * prefix.c (update_path): Correctly handle cases where PATH is
6496 a substring of the builtin prefix, but specifies a different
6499 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
6501 * expr.c: Corrected comment about what MOVE_RATIO does.
6502 * config/alpha/alpha.h: Ditto.
6503 * config/1750a/1750a.h: Ditto.
6504 * config/clipper/clipper.h: Ditto.
6505 * config/i386/i386.h: Ditto.
6507 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
6509 * configure.in (m68k-next-nextstep3*): Use collect2.
6510 Similarly for x86 NeXT configurations.
6511 * configure: Rebuilt.
6513 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
6515 * configure.in: Don't assume srcdir is .../gcc
6516 * configure: Rebuilt.
6518 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
6520 * global.c: Update comments.
6521 (global_alloc): Assign allocation-numbers
6522 even for registers allocated by local_alloc in case
6523 they are later spilled and retry_global_alloc is called.
6524 (mark_reg_store, mark_reg_clobber,
6525 mark_reg_conflicts, mark_reg_death): Always record a
6526 conflict with a pseudo register even if it has been
6527 assigned to a hard register.
6528 (dump_conflicts): Don't list pseudo registers already assigned to
6529 a hard register as needing to be allocated, but do list their
6531 * local-alloc.c: Update comment.
6533 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
6535 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
6536 * configure: Rebuilt.
6538 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
6540 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
6542 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
6543 for all targets that set -msoft-float.
6545 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6547 * toplev.c (print_switch_values): Make static to match prototype.
6549 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
6551 * configure.in: If we are unable to find the "gnatbind" program,
6552 then do not configure the ada subdir.
6553 * configure: Rebuilt.
6555 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
6557 * version.c: Bump for snapshot.
6559 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
6561 * version.c: Bump for snapshot.
6563 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6565 * Makefile.in (toplev.o): Depend on $(EXPR_H).
6566 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
6568 * gansidecl.h: Define ATTRIBUTE_NORETURN.
6570 * genattrtab.c: Have insn-attrtab.c include toplev.h.
6572 * genextract.c: Have insn-extract.c include toplev.h.
6574 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
6576 * toplev.c: Include expr.h.
6577 (really_sorry, fancy_abort): Remove prototypes.
6578 (set_target_switch): Add argument in prototype.
6579 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
6580 (v_really_sorry): Likewise.
6581 (print_version, print_single_switch, print_switch_values): Make
6582 static and add prototype arguments.
6583 (decl_printable_name): Add prototype arguments.
6584 (lang_expand_expr_t): New typedef.
6585 (lang_expand_expr): Declare as a lang_expand_expr_t.
6586 (incomplete_decl_finalize_hook): Add prototype argument.
6587 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
6588 (botch): Likewise for variable `s'.
6589 (rest_of_type_compilation): Mark variables `type' and `toplev'
6590 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
6591 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
6592 (display_help): Make variable `i' an `unsigned long'.
6593 (main): Remove unused parameter `envp'.
6594 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
6595 Cast -1 when comparing it with a `size_t'.
6597 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
6598 prototype with ATTRIBUTE_NORETURN.
6599 (fatal_insn_not_found, fatal_insn, really_sorry,
6600 push_float_handler, pop_float_handler): Add prototypes.
6601 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
6602 (do_abort, botch): Add prototypes.
6604 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
6606 * final.c (final): If a label is reached only from a single jump,
6607 call NOTICE_UPDATE_CC on the jump and its predecessor before
6608 emitting the insn after the label.
6610 * i386.h: Add AMD K6 support.
6611 Change TARGET_* macros to use table lookup.
6612 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
6613 (ADJUST_COST): Change definition to call function in i386.c.
6614 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
6615 * i386.c: Add AMD K6 support.
6616 Add constants for feature tests used by TARGET_* macros.
6617 (split_di): If before reload, call gen_lowpart and gen_highpart.
6618 (x86_adjust_cost): New function.
6619 (put_jump_code): New function.
6620 (print_operand): New codes 'D' and 'd'.
6621 * i386.md: New insn types. New insn attribute "memory".
6622 Redefine scheduling parameters to use new types and add AMD K6
6623 support. Explicitly set type of most insns.
6624 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
6625 Pro and K6 prefer movl $1,reg to incl reg.
6626 (adddi3, subdi3): Set cc_status.
6627 (DImode shift patterns): Change label counters from HOST_WIDE_INT
6628 to int; x86 can't have more than 2^31 DImode shifts per file.
6629 (setcc): Combine all setcc patterns. Allow writing memory.
6630 Combine all jump patterns using match_operator.
6631 (*bzero): Name pattern. Emit mutliple stos instructions when that
6632 is faster than rep stos.
6633 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
6636 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
6638 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
6641 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
6643 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
6644 not whatever we're generating now.
6646 * alpha.c (set_frame_related_p, FRP): New.
6647 (alpha_expand_prologue): Mark frame related insns.
6648 (alpha_expand_epilogue): Likewise, but with a null FRP.
6649 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
6650 * alpha.md (exception_receiver): New.
6651 * alpha/crtbegin.asm (.eh_frame): New beginning.
6652 (__do_frame_setup, __do_frame_takedown): New.
6653 * alpha/crtend.asm (.eh_frame): New ending.
6654 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
6655 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
6656 (ASM_FILE_START): Don't emit .file for dwarf2.
6658 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
6659 * rtl.c (reg_note_name): Likewise.
6660 * rtl.texi (REG_NOTES): Likewise.
6661 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
6664 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
6666 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
6667 * i386.md (movsf, movdf, movxf): Validate memory address returned
6668 from force_const_mem. Kill useless REG_EQUAL setting code.
6670 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
6672 * m68k.md (zero_extendsidi2): Fix typo.
6674 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
6676 * configure.in: Removed references to the removed file
6677 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
6678 * arm*-*-netbsd* and ns32k-*-netbsd*.
6679 * config/i386/xm-netbsd.h: Removed unnecessary file.
6680 * config/m68k/xm-netbsd.h: Likewise.
6681 * config/sparc/xm-netbsd.h: Likewise.
6682 * config/mips/xm-netbsd.h: Likewise.
6684 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
6686 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
6687 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
6689 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
6690 for exact section attributions.
6692 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
6694 * i386/crtdll.h (CPP_PREDEFINES): Define.
6696 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
6698 * m68k.md (5200 movqi): Do not allow byte sized memory references
6700 * m68k.c (output_move_qimode): Do not use byte sized operations on
6703 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
6704 explicit rules for building. Similarly for alloca, vfprintf,
6705 choose-temp and mkstemp, getopt, getopt1, and obstack.
6706 (INCLUDES): Add $(srcdir)/../include.
6707 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
6708 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
6710 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
6712 * gcc.c (do_spec_1): [case 'o'] Account for
6713 lang_specific_extra_outfiles.
6714 (main): Correctly clear all slots in outfiles for
6715 lang_specific_extra_outfiles. Set input_file_number before
6716 calling lang_specific_pre_link.
6718 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
6720 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
6722 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6724 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
6726 (sparc_output_deferred_case_vectors): If no work to do, return.
6727 Fix thinko in Sept 1 change.
6729 1998-09-03 SL Baur <steve@altair.xemacs.org>
6731 * Makefile.in: add semicolon in BISON definition for portability.
6733 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
6735 * config/nextstep.c (handle_pragma): Correct name of third
6738 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
6740 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
6741 * config/m32r/m32r.h: Make register 17 be fixed.
6742 * config/m32r/m32r.c: Use SImode for cc operations.
6744 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
6746 * invoke.texi (Warning Options): Add -Wnon-template-friend
6749 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
6751 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
6753 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
6755 * rs6000.md (movsf): Disable explicit secondary-reload-like
6756 functionality if TARGET_POWERPC64.
6757 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
6760 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
6762 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
6763 and term.h from fixinc.wrap.
6765 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6767 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
6768 safe to include both string.h and strings.h together.
6769 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
6770 which headers to search for function declarations. Continue to
6771 prefer string.h over strings.h when both are not acceptable.
6773 * acconfig.h (STRING_WITH_STRINGS): Add stub.
6775 * configure.in: Call GCC_HEADER_STRING.
6777 * system.h: Test STRING_WITH_STRINGS when deciding which headers
6778 to include. Continue to prefer string.h over strings.h when both
6781 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6783 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
6784 not assume top 32-bits of symbolic addresses are zero if
6787 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
6789 * ginclude/va-alpha.h: Protect entire second portion of the
6790 file against double inclusion.
6792 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
6794 Added support for the Boehm's garbage collector.
6795 * configure.in: Handle --enable-objc-gc.
6796 * configure: Rebuilt.
6797 * Makefile.in (CHECK_TARGETS): Add check-objc.
6798 (check-objc): New rule.
6799 * objc/Make-lang.in: Build a different Objective-C library that
6800 runs with the Boehm's collector.
6801 * objc/encoding.c (objc_round_acc_size_for_types): New function.
6802 * objc/encoding.c: Correctly compute the size of compound types in
6803 the presence of bitfields. Skip the variable name of the type if
6804 any. Added support for long long.
6805 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
6806 (_F_GCINVISIBLE): New mask.
6807 * objc/gc.c: New file. Compute the type memory mask associated with
6808 a class based on the runtime information.
6809 * objc/misc.c: Added the hooks that use the Boehm's collector
6810 allocation functions.
6811 * objc/objc-act.c (build_class_template): Generate a new class
6812 member (gc_object_type) to hold the class' type memory mask.
6813 (build_shared_structure_initializer): Initialize the new member to
6815 (encode_complete_bitfield): New function. Generate the new
6817 (encode_field_decl): Generate the new encoding only for the GNU
6819 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
6821 (class_get_gc_object_type): New function to mark a pointer instance
6822 variable as a weak pointer.
6823 * objc/objc-features.texi: New file.
6824 * objc/objc.h (gc_object_type): New class member.
6825 * objc/objects.c (class_create_instance): Create a typed memory
6826 object when compiled with Boehm's collector support.
6827 * objc/sendmsg.c (__objc_init_install_dtable): Call
6828 __objc_send_initialize instead of setting the initialize flag.
6829 (__objc_send_initialize): Call __objc_generate_gc_type_description
6830 to generate the class type memory mask. Rewrite the code that
6831 sends the +initialize so that it is called only once (bug report
6832 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
6833 * testsuite/objc: New testsuite for Objective-C type encoding.
6834 * testsuite/lib/objc-torture.exp: New file.
6835 * testsuite/lib/objc.exp: New file.
6837 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
6839 * jump.c (jump_optimize): In if/then/else transformations, add
6840 another call to modified_between_p for the jump insn.
6842 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
6844 * fix-header.c (symlink): Treat like readlink.
6846 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6848 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
6851 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
6853 * config/nextstep.h: Update HANDLE_PRAGMA macro.
6854 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
6855 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
6857 * config/nextstep.c (handle_pragma): Take three arguments, as per
6858 the new HANDLE_PRAGMA macro specification.
6859 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
6860 per the new HANDLE_PRAGMA macro specification.
6861 * config/i960/i960.c (process_pragma): Take three arguments, as
6862 per the new HANDLE_PRAGMA macro specification.
6864 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
6866 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
6867 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
6868 if unknown pragmas are encountered.
6869 (handle_sysv_pragma): Interpret return code from
6870 handle_pragma_token (). Return success/failure indication rather
6871 than next unprocessed character.
6872 (pragma_getc): New function: retrieves characters from the
6873 input stream. Defined when HANDLE_PRAGMA is enabled.
6874 (pragma_ungetc): New function: replaces characters back into the
6875 input stream. Defined when HANDLE_PRAGMA is enabled.
6877 * c-pragma.c (handle_pragma_token): Return success/failure status
6880 * c-pragma.h: Change prototype of handle_pragma_token().
6882 * varasm.c: (handle_pragma_weak): Only create this function if
6883 HANDLE_PRAGMA_WEAK is defined.
6885 * c-common,c (decl_attributes): If defined call the expression
6886 contained within the INSERT_ATTRIBUTES macro before adding
6887 attributes to a decl.
6889 * tm.texi (HANDLE_PRAGMA): Document the new verion of
6890 HANDLE_PRAGMA, which takes three arguments.
6891 (INSERT_ATTRIBUTES): Document this new macro.
6893 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
6894 new INSERT_ATTRIBUTES macro.
6896 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6898 * config/sparc/sparc.md (movdf): Only generate special RTL for
6899 LABEL_REFs when PIC.
6900 (move_label_di): Remove
6901 (movdi_pic_label_ref, movdi_high_pic_label_ref,
6902 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
6903 references when PIC.
6904 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
6905 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
6906 output an .xword for all 64-bit cases.
6908 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6910 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
6911 alignment, use FUNCTION_BOUNDARY instead.
6912 (sparc_output_deferred_case_vectors): Likewise.
6914 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6916 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
6917 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
6919 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
6921 * alpha/va_list.h: New file.
6922 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
6924 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
6926 * NEWS: Add SCO Openserver and Unixware 7 notes.
6930 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
6932 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
6933 (record_constant_1): Handle RANGE_EXPR.
6935 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
6937 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
6938 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
6939 and NOTE_INSN_RANGE_END specially.
6940 (reemit_notes): Likewise.
6942 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6944 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
6945 (ultrasparc_sched_init): Remove unneeded &.
6947 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6949 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
6950 for m68020-60, to prevent the use of fintrz.
6952 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
6954 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
6956 * Makefile.in: Likewise.
6957 * configure: Regenerated.
6959 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
6961 * configure.in (gxx_include_dir): Changed to
6962 '${prefix}/include/g++'-${libstdcxx_interface}.
6963 * configure: Rebuilt.
6965 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
6967 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
6969 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
6970 *sequences* *below* which scalar moves will be used.
6972 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
6974 * collect2.c (mktemp): Delete unused declaration.
6976 * config/xm-netbsd.h: Remove unnecessary file.
6977 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
6978 file anymore, it is not needed.
6980 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
6982 * convert.c (convert_to_integer): Issue an error on conversions to
6985 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
6987 * Makefile.in: Add lang_tree_files and gencheck.h.
6988 * configure.in: Generate them.
6989 * gencheck.c: Include gencheck.h.
6991 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6993 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
6994 movdi_lo_sum_pic and movdi_high_pic and make visible.
6995 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
6996 emit these when Pmode is not SImode.
6997 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
6999 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
7001 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
7002 .linkonce directive after the first time.
7004 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
7006 * m68k.md (beq0_di): Generate correct (and more efficient) code when
7007 the clobbered operand overlaps with an input.
7008 (bne0_di): Similarly.
7010 * Makefile.in (INSTALL): Remove "--no-header" argument.
7012 * NEWS: Various updates.
7014 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7016 * config/sparc/sparc.c (arith_operand, const64_operand,
7017 const64_high_operand, arith_double_4096_operand): Mark mode as
7019 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
7021 (sparc_emit_set_const64): Remove unused variable i.
7022 (sparc_splitdi_legitimate): Likewise for addr_part.
7023 (ultra_code_from_mask): Likewise for mask.
7024 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
7025 reverse return values so it matches usage and comments.
7026 (ultra_flush_pipeline): Likewise.
7027 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
7028 this_type, and allow loads and stores of differing FP modes as
7029 they do not create a conflict.
7030 (ultra_find_type): Initialize fpmode to SFmode, fix
7031 parenthesization thinkos in large conditional.
7032 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
7033 Init free_slot_mask after ultra_cur_hist is reset, not before.
7034 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
7035 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
7036 use ultra_flush_pipeline instead, then re-init group pointer.
7037 Fix statement with no effect. If no progress made in, and no
7038 instructions scheduled at all, advance to new pipeline cycle else
7039 we get into an endless loop.
7040 (ultrasparc_adjust_cost): Remove previous arg.
7041 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
7043 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
7045 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
7046 code. Use reg_overlap_mentioned_p to detect when source and
7047 destination overlap.
7048 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
7050 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
7052 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
7053 COMPARISON_VAL, into invariant_p.
7055 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7057 * regmove.c (regclass_compatible_p): New function.
7058 (regmove_optimize): Use it.
7060 Use NREGS parameter insted of calling max_reg_num.
7062 (fixup_match_1): Don't use code = MINUS when later tieing with
7063 a hard register is likely.
7065 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7067 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
7068 COMPARISON_VAL was normalized.
7070 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
7072 * loop.c (check_dbra_loop): The loop ending comparison value
7073 must be an invariant or we can not reverse the loop.
7075 * loop.c (scan_loop): Count down from max_reg_num - 1 to
7076 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
7078 (load_mems_and_recount_loop_regs_set): Likewise.
7080 * i386.c (print_operand): Remove obsolete 'c' docs.
7082 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
7084 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
7085 * frame.c (init_object_mutex): New function.
7086 (init_object_mutex_once): Likewise.
7087 (find_fde): Call it.
7088 (__register_frame_info): Likewise.
7089 (__register_frame_info_table): Likewise.
7090 (__deregister_frame_info): Likewise.
7092 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
7094 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
7096 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7098 * loop.c (check_dbra_loop): Enable code for reversal
7099 of some loops without a known constant loop end.
7101 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
7103 * haifa-sched.c (last_clock_var): New.
7104 (schedule_block): Initialize it.
7105 (schedule_insn): Use it to fill insn modes with issue information.
7107 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
7108 Tag trapb and next insn with TImode.
7109 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
7110 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
7111 Invoke alphaev5_align_insns as appropriate.
7112 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
7113 (MD_SCHED_VARIABLE_ISSUE): New.
7114 * alpha.md (attr type): Add multi.
7115 (define_asm_attributes): New.
7116 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
7117 (arg_home): Likewise.
7118 (fnop, unop, realign): New.
7120 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
7122 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
7123 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
7125 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
7126 (rs6000-ibm-aix4.[12]*): Likewise.
7127 * configure: Regnerate.
7129 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
7131 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
7132 already contains the return address.
7134 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
7136 * calls.c (expand_call): Use bitfield instructions to extract/deposit
7137 word sized hunks when loading unaligned args into registers.
7139 * haifa-sched.c (sched_analyze_insn): Only create scheduling
7140 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
7142 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
7144 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7146 * loop.c (check_dbra_loop): Add some code that would allow reversal
7147 of some loops without a known constant loop end if it were enabled.
7149 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
7151 * mips.md (lshrsi3_internal2+2): Fix type-o.
7153 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7155 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
7156 correctly with regards to stdio.h.
7158 * calls.c: Remove stdarg.h/varargs.h.
7161 * combine.c: Likewise.
7162 * cpperror.c: Likewise.
7163 * cpplib.c: Likewise.
7164 * cpplib.h: Likewise.
7165 * doprint.c: Likewise.
7166 * emit-rtl.c: Likewise.
7167 * final.c: Likewise.
7168 * fix-header.c: Likewise.
7170 * genattr.c: Likewise.
7171 * genattrtab.c: Likewise.
7172 * gencodes.c: Likewise.
7173 * genconfig.c: Likewise.
7174 * genemit.c: Likewise.
7175 * genextract.c: Likewise.
7176 * genflags.c: Likewise.
7177 * genopinit.c: Likewise.
7178 * genoutput.c: Likewise.
7179 * genpeep.c: Likewise.
7180 * genrecog.c: Likewise.
7181 * mips-tfile.c: Likewise.
7182 * prefix.c: Likewise.
7183 * protoize.c: Likewise.
7184 * regmove.c: Likewise.
7185 * toplev.c: Likewise.
7188 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7190 * config/sparc/sparc.c (sparc_override_options): If not
7191 TARGET_FPU, turn off TARGET_VIS.
7192 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
7193 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
7194 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
7195 (movdi_insn_sp64): Add VIS fzero alternative.
7196 (clear_sf, clear_df): New VIS patterns.
7197 (movsf, movdf expanders): Allow fp_zero_operand flat out when
7199 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
7201 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
7203 * loop.c (n_times_set, n_times_used, may_not_optimize,
7204 reg_single_usage): Convert to varrays. All uses changed.
7205 (insert_loop_mem): Return a value.
7206 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
7207 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
7210 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
7213 * configure.in: Do not set thread_file to "irix" since no such
7216 * sparc.md (float abs/neg splits): Check reload_completed before
7217 calling alter_subreg.
7219 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7221 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
7223 * config/sparc/sparc.h: Declare it.
7224 * config/sparc/sparc.md (float abs/neg splits): Use it.
7225 (all other splits): Handle SUBREGs properly where necessary.
7226 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
7228 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
7230 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
7231 an insn on the unfilled_slots_list that has no delay slots.
7232 (fill_eager_delay_slots): Similarly.
7234 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
7236 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
7237 as an ordinary operand.
7239 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
7241 * tree.c (valid_machine_attribute): Don't apply attributes to both
7244 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
7246 * reload.c (operands_match_p): Handle rtvecs.
7248 * i386.c (legitimate_pic_address_disp_p): New.
7249 (legitimate_address_p): Use it.
7250 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
7251 Handle constant pool symbols just like statics.
7252 (emit_pic_move): Use Pmode not SImode for clarity.
7253 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
7254 [UNSPEC]: New, handling what we killed above.
7255 [PLUS]: Detect and abort on invalid symbol arithmetic.
7256 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
7258 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
7260 * alias.c: Include output.h.
7261 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
7262 different if we're in a varargs function.
7263 * Makefile.in (alias.o): Depend on output.h
7265 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7267 * sh.h (GIV_SORT_CRITERION): Delete.
7269 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
7271 * regclass.c (regclass): Use xmalloc/free instead of alloca.
7272 * stupid.c (stupid_life_analysis): Ditto.
7273 * reload1.c (reload): Ditto.
7275 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7277 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
7278 arith_double_4096_operand, arith_double_add_operand): New
7280 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
7281 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
7282 them to transform add/sub 4096 into add/sub -4096.
7284 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7286 * loop.c (scan_loop): Allocate some slop to handle pseudos
7287 generated by move_movables.
7288 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
7291 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
7293 * tree.def (DECL_RESULT): Correct documentation.
7295 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7297 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
7298 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
7299 conflicts will all RELOAD_FOR_OUTPUT reloads.
7301 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
7302 loads the function result, substitute with a USE.
7304 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7306 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
7307 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
7308 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
7309 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
7310 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
7311 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
7313 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
7314 'o' to 'm' for GPR variant constraints.
7316 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
7318 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
7320 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
7322 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
7323 when the source and destination overlap.
7325 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
7326 clash with global type.
7328 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
7330 * fixinc.irix: Add curses.h handling from fixinc.wrap.
7332 * c-common.c (combine_strings): Also set TREE_READONLY.
7333 Change warn_write_strings to flag_const_strings.
7334 * c-decl.c, c-tree.h: Likewise.
7336 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7338 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
7339 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
7340 sequence, use SET/IOR instead so CSE can see it.
7341 * config/sparc/sparc.md (movhi_const64_special,
7342 movsi_const64_special): New patterns necessitated by that change.
7343 (movhi_high): Remove.
7344 (movhi_lo_sum): Change to match an IOR.
7345 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
7346 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
7347 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
7348 (movdf splits): Allow when not V9 or when not ARCH64 and integer
7349 registers are involved.
7350 (snesi_zero_extend split): Remove reload_completed test.
7351 (unnamed plus and minus zero_extend sidi splits): Add it.
7353 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
7355 * extend.texi: Remove description of extension to explicit
7356 instantiation that is now endorsed by standard C++.
7358 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7360 * config/arc/arc.c (arc_initialize_pic): Remove.
7361 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
7362 nothing on any platform and is invoked by no-one, it does not even
7363 appear in the documentation.
7364 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
7365 * config/sparc/sparc.c (initialize_pic): Likewise.
7366 (find_addr_reg): Remove this as well, no longer referenced after
7369 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
7371 * recog.c (validate_replace_rtx_group): New function.
7372 * recog.h (validate_replace_rtx_group): Declare it.
7373 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
7374 the entire group of substitutions.
7376 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
7378 * loop.c (load_mems): Fix initializers.
7380 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7382 * config/sparc/sparc.md (TFmode splits): Handle destination
7383 registers being referenced in the address correctly.
7385 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
7386 TREE_UNSIGNED, when bitsize of type's mode is larger than
7387 HOST_BITS_PER_WIDE_INT.
7389 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7391 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
7392 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
7393 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
7395 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
7398 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
7400 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
7401 * h8300.h (TINY_DATA_NAME_P): Likewise.
7402 (STRIP_NAME_ENCODING): Handle '&'.
7404 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
7405 register (it could be accessed via an outer SUBREG).
7406 (REG_OK_FOR_BASE_P): Likewwise.
7407 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
7409 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
7412 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
7414 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7416 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
7417 must be offsettable so the splits can be made.
7419 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
7421 * config/i386/winnt.c: Include system.h, not stdio.h to get
7422 sys/param.h pulled in before rtl.h in case the system defines MIN
7425 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
7427 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
7429 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
7431 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
7433 * cpplib.c (cpp_define): Handle macros with parameters.
7435 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7437 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
7438 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
7439 and DImode 64-bit. Use llong for minimal-toc SFmode and
7440 SYMBOL_REF / LABEL_REF 64-bit.
7441 (output_function_profiler): Use llong for profiler label and ld to
7442 load 64-bit label address.
7444 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
7446 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
7449 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
7451 * version.c: Bump for snapshot.
7453 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
7455 * version.c: Bump for snapshot.
7457 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
7459 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
7461 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
7463 * tm.texi (Misc): Fix typo "teh".
7465 * tm.texi (PIC): Fix typo "PPIC".
7467 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
7468 effect when -O2 and higher.
7469 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
7471 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
7473 * regclass.c: Changed register set documentation to be consistent
7476 * final.c (final_start_function) Removed redundant test for
7479 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
7481 * rtl.h (rtx_function): New type.
7482 (for_each_rtx): New function.
7483 * rtlanal.c (for_each_rtx): Define it.
7485 * recog.c (change_t): New type.
7486 (change_objects, change_old_codes, change_locs, change_olds):
7488 (changes): New variable.
7489 (validate_change): Dynamically allocate room for more changes, if
7490 necessary. Uses changes array instead of change_objects, etc.
7491 (apply_change_group): Use changes array instead of
7492 change_objects, etc.
7494 * loop.c (loop_mem_info): New type.
7495 (loop_mems): New variable.
7496 (loop_mems_idx): Likewise.
7497 (looop_mems_allocated): Likewise.
7498 (scan_loop): Remove nregs parameter.
7499 (next_insn_in_loop): New function.
7500 (load_mems_and_recount_loop_regs_set): Likewise.
7501 (load_mems): Likewise.
7502 (insert_loop_mem): Likewise.
7503 (replace_loop_mem): Likewise.
7504 (replace_label): Likewise.
7505 (INSN_IN_RANGE_P): New macro.
7506 (loop_optimize): Don't pass max_reg_num() to scan_loop.
7507 (scan_loop): Remove nregs parameter, compute it after any new
7508 registers are created by load_mems. Use INSN_IN_RANGE_P and
7509 next_insn_in_loop rather than expanding them inline. Call
7510 load_mems to load memory into pseudos, if appropriate.
7511 (prescan_loop): Figure out whether or not there are jumps from the
7512 loop to targets other than the label immediately following the
7513 loop. Call insert_loop_mem to notice all the MEMs used in the
7514 loop, if it could be safe to pull MEMs into REGs for the duration
7516 (strength_reduce): Use next_insn_in_loop. Tweak comments.
7518 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
7520 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
7522 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7524 * config/sparc/sparc.c (finalize_pic): Check for the correct
7525 nonlocal_goto_receiver UNSPEC number.
7526 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
7527 making note of this dependency existing in sparc.c
7528 (negtf2_notv9 split): Give NEG SFmode.
7529 (negsf2): Fix insn output string.
7531 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
7533 * c-common.c (decl_attributes): Issue an error if the argument
7534 to alias is not a string.
7536 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
7538 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
7539 pending memory flush list.
7541 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
7543 (try_combine): Allow combining insns with REG_LIBCALL notes.
7545 * expr.c (emit_block_move): Do not call memcpy as a libcall
7546 instead build up a CALL_EXPR and call it like any other
7548 (clear_storage): Similarly for memset.
7550 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
7553 * Makefile.in (cplus-dem.o): Provide explicit rules for building
7556 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
7557 and REG_LIVE_LENGTH as successful substitutions are made.
7559 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7561 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
7562 statement after end of loop label.
7564 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7566 * config/sparc/sparc.c (ultra_types_avail): New variable.
7567 (ultra_build_types_avail): New function to record mask of insn
7568 types in ready list at this cycle.
7569 (ultrasparc_sched_reorder): Call it.
7570 (ultra_find_type): Use it to quicken the search. Also simplif
7571 dependency check, don't use rtx_equal_p because we know exactly
7572 what we are looking for.
7574 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
7576 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
7577 for architecture v4.
7579 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7581 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
7583 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
7584 movdf_const_intreg and helper splits): New patterns to move float
7585 constants into integer registers.
7586 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
7589 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
7592 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
7594 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
7596 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
7597 a BASE_REGS register is needed as an intermediate when copying
7598 a symbolic value into any register class other than BASE_REGS.
7600 * expr.c (move_by_pieces): No longer static. Remove prototype.
7601 * rtl.h (move_by_pieces): Add extern prototype.
7602 * mips.c (expand_block_move): Handle aligned straight line copy by
7603 calling move_by_pieces.
7605 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
7608 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
7610 * stmt.c (expand_end_loop): Tidy. Allow unconditional
7611 jumps out of the loop to be treated as part of the exit test.
7613 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7614 Jeff Law <law@cygnus.com>
7616 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
7617 * cplus-dem.c: Delete.
7619 * Makefile.in (fold-const.o): depend on $(RTL_H).
7621 * fold-const.c: Include rtl.h to get the prototype for
7622 `set_identifier_local_value'.
7624 * loop.c (express_from_1): Remove unused variable `tmp'.
7625 (combine_givs): cast the first argument of bzero to char *.
7627 * toplev.c (display_help): Remove unused variable `looking_for_start'.
7629 * c-decl.c (init_decl_processing): Remove unneeded &.
7631 * alpha.h (alpha_initialize_trampoline): Provide prototype.
7633 * except.c (set_exception_lang_code, set_exception_version_code):
7634 Change parameter from `short' to `int' to avoid using a gcc
7637 * except.h (set_exception_lang_code, set_exception_version_code):
7638 Likewise for prototypes.
7640 * flow.c (count_reg_references): Remove unused variables `regno'
7643 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
7645 * prefix.c (translate_name): Cast the result of `alloca'.
7647 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
7649 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7651 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
7653 (valid_dbcc_comparison_p): Mark mode argument as unused.
7654 (symbolic_operand): Likewise.
7655 (legitimize_pic_address): Likewise.
7656 (const_uint32_operand): Likewise.
7657 (const_sint32_operand): Likewise.
7658 * sched.c [!INSN_SCHEDULING]: Define only dummy function
7659 schedule_insns and comment out rest of file.
7661 * m68k.c (output_move_simode_const): Use subl to move a zero into an
7663 (output_move_[hq]imode): Likewise.
7665 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
7667 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
7668 * invoke.texi: Corresponding changes.
7670 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
7672 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
7674 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7676 * config/sparc/sparc.c (ultra_code_from_mask,
7677 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
7678 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
7679 ultrasparc_sched_init, ultrasparc_variable_issue,
7680 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
7681 functions to describe UltraSPARC pipeline exactly to Haifa.
7682 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
7683 as there is nothing the scheduler can do about it. Indicate that
7684 REG_DEP_OUTPUT's collide. Fixup formatting.
7685 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
7686 divide costs on Ultra for DImode.
7687 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
7689 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
7690 ieuN and add call_no_delay_slot to type list.
7691 (cti function unit): New unit for branches on UltraSPARC.
7692 (subx/addx insns): Set type to misc.
7693 (sidi zero/sign extension insns on arch64): Set type to shift.
7694 (sign_extendhidi2_insn): Set type to sload.
7696 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
7698 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
7699 (output_epilog): Use if != 0 for offset.
7700 (rs6000_fatal_bad_address): Prepare for Intl.
7701 * rs6000.h (rs6000_fatal_bad_address): Declare.
7702 * rs6000.md (movsfcc, movdfcc): Use else if.
7703 (elf_high): Use {liu|lis}.
7704 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
7705 (movsi): Use rs6000_fatal_bad_address.
7707 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
7709 * reload.c (find_equiv_reg): Reject equivalences separated
7710 by a volatile instruction.
7712 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7714 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
7716 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
7718 * alpha.md (movsicc): Fix mode mismatch.
7720 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
7722 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
7724 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
7726 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7728 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
7729 write-only modifier from operand 1 constraint.
7731 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7733 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
7734 emitting a XOR of -1 at the end, emit a NOT instead for combine's
7736 (sparc_emit_set_const64): Likewise, also when computing trailing
7737 bits do not negate low_bits and make fast_int an int.
7739 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
7741 * loop.c (add_label_notes): Do not ignore references to labels
7742 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
7743 * gcse.c (add_label_notes): Similarly.
7745 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
7747 * m68k.md (adddi_dilshr32): One of the operands must be a register.
7748 (adddi_dishl32): Similarly.
7750 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
7752 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
7753 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
7754 * cse.c (cse_basic_block): Add parens to shut up warnings.
7756 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7758 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
7759 sparc_emit_set_const64_longway, const64_is_2insns,
7760 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
7761 in 64-bit constant formation.
7762 * config/sparc/sparc.md (snesi_zero_extend split): Generate
7763 rtl for addx not subx.
7764 (define_insn movdi_const64_special): Make available even when
7765 HOST_BITS_PER_WIDE_INT is not 64.
7766 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
7767 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
7768 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
7769 instances of operand 1 inside a QI subreg.
7770 (xordi3_sp64_dbl): Remove '%' constraint for op1.
7771 (one_cmpldi2_sp64): Fix output string.
7772 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
7774 (unnamed arch64 ashift DI): Truncate shift count if greater than
7777 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7779 * expr.c (store_expr): Don't optimize away load-store pair
7780 when either source or destination have a side effect.
7782 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
7784 * genrecog.c (add_to_sequence): Fatal error if the modes of the
7785 operands of SET are incompatible.
7787 * alpha.md: Fix max and min patterns so modes of SET operands match.
7789 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
7791 * configure.in: Avoid [[ by using test and changequote.
7792 * configure: Rebuild.
7794 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7796 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
7798 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
7799 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
7800 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
7801 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
7802 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
7803 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
7804 Fix mismatching modes in SET operands.
7805 (conditional move patterns): Fix formatting.
7806 (unnamed subx arch64 pattern): Remove duplicate insn.
7808 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7810 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7811 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
7812 (input_operand): Fixup test for what we accept for constant
7814 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
7816 (safe_constDI): Remove.
7817 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
7818 gen_safe_XOR64): New functions.
7819 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
7820 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
7822 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
7823 available when HOST_BITS_PER_WIDE_INT is not 64.
7824 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
7825 move before movdi_insn_sp64 pattern.
7826 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
7827 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
7828 symbolic_operand as predicate for second operand.
7829 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
7830 expander): Give set VOIDmode.
7832 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
7834 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
7836 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
7838 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
7840 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
7842 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
7844 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
7846 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
7848 * install.texi: Various SCO OpenServer tweaks.
7850 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
7852 * reload1.c (eliminate_regs_in_insn): Handle another case when
7853 eliminating the frame pointer to the hard frame pointer. Add
7854 missing ep->to_rtx check to one existing case.
7856 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
7858 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
7860 * tree.h: De-conditionalize init_priority code.
7862 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
7863 * collect2.c (NM_FLAGS): Change from -p to -n.
7865 * configure.in: Turn on collect2 for mipstx39-elf.
7866 Handle use_collect2=no properly.
7868 * c-common.c: De-conditionalize init_priority code.
7869 * collect2.c (extract_init_priority, sort_ids): New fns.
7870 (main): Call sort_ids.
7871 Move sequence_number to file scope.
7873 * configure.in: Handle --enable-init-priority.
7874 * c-common.c (attrs): Add A_INIT_PRIORITY.
7875 (init_attributes, decl_attributes): Likewise.
7876 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
7877 * tree.c (get_file_function_name_long): Split out...
7878 (get_file_function_name): ...from here.
7880 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
7882 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
7885 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
7887 * toplev.c (display_help): Add braces to shut up warnings.
7888 * tree.c (simple_cst_equal): Likewise.
7890 * fold-const.c (non_lvalue): Don't deal with null pointer
7892 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
7894 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
7895 of any size to a pointer.
7897 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
7899 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
7901 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
7903 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
7904 which will be saved.
7905 * mn10300.md (prologue insn): Only save registers which need saving.
7906 (epilogue insn): Similarly.
7908 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
7911 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
7913 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
7914 VAR_DECL's in gp addressable sections.
7916 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
7918 * sparc.c: Change return <exp> to <exp>; return; in functions
7920 * sparc.md: Add empty semicolon statement after final label in
7923 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7925 * config/sparc/sparc.md (define_insn addx_extend): Rename to
7926 addx_extend_sp64, only allow when TARGET_ARCH64.
7927 (define_insn addx_extend_sp32 and split): Version that works when
7929 (define_insn subx_extend): Likewise.
7930 (define_split adddi3 and subdi3 with zero extension): Fixup and
7931 correct bugs when not TARGET_ARCH64.
7933 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
7935 * except.c (set_exception_lang_code, set_exception_version_code):
7936 Use prototype-style definition if __STDC__, to match declaration
7939 * genemit.c: Change FAIL and DONE macros not to use loops.
7941 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
7943 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
7944 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
7946 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
7948 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
7950 * README.g77: Update from Craig.
7952 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7954 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
7956 (safe_constDI sparc_emit_set_const64_quick1,
7957 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7958 analyze_64bit_constant, const64_is_2insns,
7959 create_simple_focus_bits): Fix some bugs when compiled on real
7961 (function_arg_record_value_3, function_arg_record_value_2,
7962 function_arg_record_value): Add fully prototyped forward decls.
7963 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
7964 to cmpsi_insn and use on both 64 and 32 bit targets.
7965 (define_insn cmpsi_insn_sp64): Remove.
7966 (define_expand zero_extendsidi2): Allow for 32-bit target too.
7967 (define_insn zero_extendsidi2_insn): Rename to
7968 zero_extendsidi2_insn_sp64.
7969 (define_insn zero_extendsidi2_insn_sp32): New pattern and
7970 assosciated forced split for it.
7972 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7974 * config/sparc/sparc.h: Declare them.
7975 (PREDICATE_CODES): Add them.
7976 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
7977 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
7979 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
7981 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
7982 in v9 case as the latter makes the Solaris assembler crash.
7984 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7986 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
7987 for TFmode when !v9. We require offsettable memory addresses.
7988 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
7989 DFmode register number conversions.
7990 * config/sparc/sparc.md (define_split DFmode moves): If register
7991 is a SUBREG do alter_subreg on it before using.
7992 (define_expand movtf): Fixup comment about alignment on v9.
7993 (define_split TFmode moves): Don't use gen_{high,low}part, create
7994 explicit SUBREGs instead.
7996 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
7998 * Makefile.in (mbchar.o): Depend on mbchar.c.
8000 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8001 Richard Henderson <rth@cygnus.com>
8003 Rewrite Sparc backend for better code generation and
8004 improved sparc64 support.
8005 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
8007 * config/sparc/sysv4.h: Likewise.
8008 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
8009 move_operand, v8plus_regcmp_op, emit_move_sequence,
8010 singlemove_string, doublemove_string, mem_aligned_8,
8011 output_move_double, output_move_quad, output_fp_move_double,
8012 move_quad_direction, output_fp_move_quad, output_scc_insn):
8014 (small_int_or_double): New predicate.
8015 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
8016 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
8017 old pic_{sethi,lo_sum}_si patterns.
8018 (mem_min_alignment): New generic function to replace
8019 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
8020 available and can test for arbitrary alignments. All callers
8022 (save_regs, restore_regs, build_big_number,
8023 output_function_prologue, output_cbranch, output_return,
8024 sparc_flat_save_restore, sparc_flat_output_function_prologue,
8025 sparc_flat_output_function_epilogue): Prettify
8027 (output_function_epilogue): Likewise and add code to output
8028 deferred case vectors.
8029 (output_v9branch): Likewise, add new arg INSN and use it to tack
8030 on branch prediction settings. All callers changed.
8031 (print_operand): Likewise and output %l44 for LO_SUMs when
8033 (sparc_splitdi_legitimate): New function to make sure DImode
8034 splits can be run properly when !arch64.
8035 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
8036 Reformat example code in comments.
8037 (set_extends): Remove UNSPEC/v8plus_clear_high case.
8038 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
8039 of deferred case vectors we need to output.
8040 (sparc_defer_case_vector): Record a case vector.
8041 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
8042 sparc_output_deferred_case_vectors): New functions to output them.
8043 (sparc_emit_set_const32): New function to form 32-bit constants in
8044 registers when that requires more than one instruction.
8045 (safe_constDI, sparc_emit_set_const64_quick1,
8046 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
8047 analyze_64bit_constant, const64_is_2insns,
8048 create_simple_focus_bits, sparc_emit_set_const64): New functions
8049 which do the same for 64-bit constants when arch64.
8050 (sparc_emit_set_symbolic_const64): New function to emit address
8051 loading for all code models on v9.
8052 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
8053 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
8054 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
8055 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
8056 inaccuracies in comments, add symbolic and text_segment operands
8057 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
8058 GENERAL_REGS in these cases as a temp REG is needed to load these
8059 addresses into a register properly.
8060 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
8062 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
8063 quads are guarenteed to have 16-byte alignment.
8064 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
8065 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
8066 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
8067 deferred case vector implementation.
8068 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
8069 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
8070 Generate "internal label - label" instead of "label - 1b".
8071 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
8072 (PREDICATE_CODES): Remove sparc_operand, move_operand,
8073 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
8075 (doublemove_string, output_block_move, output_fp_move_double,
8076 output_fp_move_quad, output_move_double, output_move_quad,
8077 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
8078 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
8079 (sparc_emit_set_const32, sparc_emit_set_const64,
8080 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
8081 mem_min_alignment, small_int_or_double): Add externs.
8082 * config/sparc/sparc.md: Document the many uses of UNSPEC and
8083 UNSPEC_VOLATILE in this backend.
8084 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
8085 unary to types which execute in it.
8086 (define_function_unit ieu_shift): Rename to ieu0.
8087 (define_function_unit ieu1): New, executes compare, call, and
8088 uncond_branch type insns.
8089 (define_function_units for type fdivs, fdivd, fsqrt): These
8090 execute in the fpu multiply unit not the adder on UltraSparc.
8091 (define_expand cmpdi): Disallow TARGET_V8PLUS.
8092 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
8093 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
8094 allows the arith_double_operand predicate and rHI constraint when
8096 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
8097 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
8098 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
8099 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
8100 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
8101 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
8102 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
8103 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
8104 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
8105 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
8106 sign_extendqihi2_insn, sign_extendqisi2_insn,
8107 sign_extendqidi2_insn, sign_extendhidi2_insn,
8108 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
8109 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
8110 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
8111 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
8112 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
8113 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
8114 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
8115 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
8116 smulsi3_highpart_v8plus, unnamed subreg mult,
8117 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
8118 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
8119 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
8120 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
8121 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
8122 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
8123 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
8124 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
8125 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
8126 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
8127 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
8128 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
8129 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
8130 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
8131 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
8132 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
8133 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
8134 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
8135 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
8136 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
8137 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
8138 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
8139 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
8140 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
8141 call_address_untyped_struct_value_sp32,
8142 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
8143 call_value_symbolic_sp32, call_value_address_sp64,
8144 call_value_symbolic_sp64, branch_sp32, branch_sp64,
8145 flush_register_windows, goto_handler_and_restore,
8146 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
8147 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
8148 return_addsi, return_di, return_adddi, return_sf, all call+jump
8149 peepholes, trap, unnamed trap insns): Prettify output strings.
8150 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
8151 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
8152 Likewise and force + implement splits for integer cases.
8153 (define_insn return_sf_no_fpu): Likewise and allow to match when
8154 no-fpu because of our subreg SFmode splits.
8155 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
8156 zero_extendqidi2_insn, zero_extendhidi2_insn,
8157 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
8158 input_operand for second operand.
8159 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
8160 reg_or_0_operand for operand 2 so new splits can use it.
8161 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
8162 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
8164 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
8165 CONST_DOUBLEs for operand 2.
8166 (define_insn move_label_di): Likewise and label distance
8167 optimization because it no longer works with new deferred case
8168 vector scheme. To be revisited.
8169 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
8170 and allow reg_or_0_operand and J constraint for second operand.
8171 (define_insn jump): Set branch predict taken on V9.
8172 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
8173 new deferred case vector scheme.
8174 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
8175 (define_insn negdi2_sp32): Force + implement splits.
8176 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
8177 one_cmplsi2_not_liveg0 respectively, and create expander of original
8178 names which emit special rtl for TARGET_LIVE_G0.
8179 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
8180 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
8181 gen_compare_reg, FAIL instead.
8182 (define_insn sgtu, sleu): Likewise and check gen_s*() return
8183 values when trying to reverse condition codes, if they FAIL then
8185 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
8186 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
8187 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
8188 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
8189 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
8190 set output string to # to indicate they are mandatory splits.
8191 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
8192 pic_sethi_di, move_pic_label_si): Remove.
8193 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
8194 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
8196 (define_expand movsi_pic_label_ref, define_insn
8197 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
8198 expander and insns to handle PIC label references and deferred
8200 (define_insn get_pc_via_rdpc): Comment out as it is no longer
8202 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
8203 Rewrite to not use emit_move_sequence, make use of new constant
8204 formation code, and new splits for all multi-insn cases.
8205 (define_insn movqi_insn): Remove sethi case, it can never happen.
8206 Use reg_or_zero_operand instead of const0_rtx explicit test,
8207 use input_operand instead of move_operand for source, and use
8208 general_operand now for dest.
8209 (define_insn movhi_insn): Similar but leave sethi case.
8210 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
8211 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
8212 movhi_lo_sum respectively, prettify output string.
8213 (define_insn movsi_zero_liveg0): New pattern to put zero into a
8214 register when needed on TARGET_LIVE_G0.
8215 (define_insn movsi_insn): Use general_operand and input_operand
8216 for dest and src respectively. Simplify applicability test.
8217 Prettify output strings, and add clr alternative for J
8219 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
8220 deprecated std and reg-reg DI moves): Remove and...
8221 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
8222 implementation which uses forced splits for all non-single insn
8224 (define_split DI move cases on !arch64): New splits to handle all
8225 situations of 64-bit double register DImode on 32bit, and
8226 unaligned registers and memory addresses for all subtargets.
8227 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
8229 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
8230 input_operand for dest and src respectively, prettify output
8232 (define_insn movdf_insn, movdf_no_e_insn, store_df,
8233 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
8235 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
8236 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
8237 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
8238 movtf_no_e_insn_sp64) Replace with new
8239 implementation which uses forced splits for all non-single insn
8241 (define_split DF move cases): New splits in similar vein to DI
8243 (define_insn sethi_di_medlow, sethi_di_medium_pic,
8244 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
8245 movdi_sp64_insn): Remove old v9 code model and constant loading
8247 (define_insn pic_lo_sum_di, pic_sethi_di,
8248 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
8249 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
8250 embmedany_sethi, embmedany_losum, embmedany_brsum,
8251 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
8252 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
8253 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
8254 scheme, using unspecs, secondary reloads, and one to one sparc
8255 insn to rtl insn mapping for better scheduling and code gen.
8256 (define_expand reload_indi, reload_outdi): Reload helpers for
8257 MEDANY and EMBMEDANY symbol address loading cases which require a
8259 (define_expand movsicc): Remove v8plus_regcmp cases.
8260 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
8261 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
8262 cmp_diqi_trunc_set): New patterns used by some of the new scc
8264 (define_insn xordi3_sp64_dbl): New pattern used for constant
8265 formation when crossing from 32-bit targets.
8266 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
8268 (define_insn addx, subx): Make visible and prettify.
8269 (define_insn adddi3_insn_sp32): Likewise and force split.
8270 (define_insn addx_extend, subx_extend, unnamed): New patterns for
8271 64bit scc split usage.
8272 (define_insn unnamed plusDI zero_extend, unnamed minusDI
8273 zero_extend, subdi3): Force and implement splits.
8275 * final.c (final_scan_insn): Don't output labels if target
8276 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
8279 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
8280 don't forget to walk inside SEQUENCESs too as these are what the
8281 delay slot scheduler will create.
8283 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
8285 * alpha.md (extxl+1,+2): New patterns to work around
8288 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
8290 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
8291 caused bad assembly code to be generated.
8293 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
8295 * netbsd.h: Fix typo.
8297 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
8299 * config.sub: Fix typo.
8301 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
8303 * invoke.texi (Environment Variables): Typo: Change "ascpects"
8305 (Running Protoize): Typo: Change "ther" into "other".
8307 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
8309 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
8310 * m68k/netbsd.h: Likewise.
8311 * ns32k/netbsd.h: Likewise.
8312 * sparc/netbsd.h: Likewise.
8314 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
8316 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
8317 * ginclude/va-clipper.h (va_list): Likewise.
8319 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
8321 * rs6000.c (rs6000_override_options): If big endian and -Os, use
8322 load/store multiple instructions unless user overrides.
8324 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
8326 * ns32k/netbsd.h: Fix typo.
8328 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
8330 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
8331 labels with .debugsym if no parallel insns.
8333 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
8335 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
8336 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
8338 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
8340 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
8341 (AR_FOR_TARGET): Define.
8343 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
8345 * dyn-string.h: New file.
8346 * dyn-string.c: Likewise.
8347 * Makefile.in (OBJS): Add dyn-string.o.
8348 (dwarf2out.o): Add dyn-string.h dependency.
8349 (dyn-string.o): List dependencies.
8350 * dwarf2out.c: Include dyn-string.h.
8351 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
8352 (addr_const_to_string): Take a dyn_string_t, not a char* as a
8353 prototype. Use dyn_string_append rather than strcat, throughout.
8354 (addr_to_string): Use dyn_string_t.
8356 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
8358 Function entry/exit profiling instrumentation:
8359 * expr.h (profile_function_entry_libfunc,
8360 profile_function_exit_libfunc): Declare new variables.
8361 * optabs.c: Define them here.
8362 (init_optabs): Initialize them.
8363 * tree.h (struct tree_decl): New flag
8364 no_instrument_function_entry_exit.
8365 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
8366 * c-decl.c (duplicate_decls): Merge it.
8367 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
8368 (init_attributes): Use it for "no_instrument_function".
8369 (decl_attributes): Handle it, for functions that have not yet been
8370 compiled. Set decl flag.
8371 * flags.h (flag_instrument_function_entry_exit): Declare new
8373 * toplev.c (flag_instrument_function_entry_exit): Define it here.
8374 (f_options): New option "instrument-functions".
8375 * function.h (struct function): New field instrument_entry_exit.
8376 * function.c (current_function_instrument_entry_exit): New
8378 (push_function_context_to, pop_function_context_from): Save and
8380 (expand_function_start): Set current_ variable, maybe emit return
8381 label and entry profile call.
8382 (expand_function_end): Maybe emit exit profile call.
8384 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
8386 * i386.md (movqi): When optimizing a load of (const_int 1) into a
8387 NON_QI_REG_P, pretend the register is SImode.
8389 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
8391 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
8392 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
8393 manufacturer id for ns32k.
8394 * configure: Regenerated.
8395 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
8396 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
8397 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
8398 * config/m68k/netbsd.h: Same.
8399 * config/ns32k/netbsd.h: Same.
8400 * config/sparc/netbsd.h: Same.
8402 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
8404 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
8405 or UNROLL_COMPLETELY loop that starts with a jump to its
8408 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
8410 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
8411 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
8412 (print_operand, case 'B'): Don't fall through.
8413 (print_operand, case 'S'): Correct mask begin/end computation.
8414 Use HOST_BITS_PER_WIDE_INT.
8415 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
8416 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
8417 * rs6000/aix41.h (CPP_PREDEFINES): Same.
8418 * rs6000/aix43.h (CPP_PREDEFINES): Same.
8420 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
8422 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
8423 constraint from second alternative.
8425 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8427 * configure.in: Fix --without/--disable cases for local-prefix,
8428 gxx-include-dir and checking.
8430 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8432 * configure.in (enable_haifa): Set by default for sparc64 too.
8435 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8437 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
8438 * i386/winnt.c (associated_type): New fn.
8439 (i386_pe_valid_type_attribute_p): New fn.
8440 (i386_pe_check_vtable_importexport): Remove.
8441 (i386_pe_dllexport_p): Use associated_type.
8442 (i386_pe_dllimport_p): Likewise.
8444 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
8445 * i386.c (i386_valid_type_attribute_p): Also accept
8446 attributes for METHOD_TYPEs.
8448 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
8450 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
8452 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
8454 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
8456 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
8457 them from generating a new base name for each occurence of
8460 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
8462 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
8464 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
8468 * cplus-dem.c (type_kind_t): New type.
8469 (demangle_template_value_parm): Add type_kind_t parameter. Rely
8470 on this paramter, rather than demangling the type again.
8471 (demangle_integral_value): Pass tk_integral.
8472 (demangle_template_: Pass the value returned from do_type.
8473 (do_type): Return a type_kind_t. Pass tk_integral to
8474 demangle_template_value_parm for array bounds.
8475 (demangle_fund_type): Likewise.
8477 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
8479 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
8482 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
8484 * pa.c (move_operand): Accept CONSTANT_P_RTX.
8486 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
8488 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
8490 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
8493 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
8495 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
8496 (DEBUGGER_ARG_OFFSET): Likewise.
8498 * mn10300.md (movsf): Remove last change. Not needed.
8500 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
8502 * c-lex.c (yylex): Fix boundary conditions in character literal and
8503 string literal loops.
8505 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
8507 * longlong.h (count_leading_zeros): Sparclite scan instruction was
8508 being invoked incorrectly.
8510 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
8511 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
8513 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
8514 * configure.in: Added i[34567]86-*-win32
8515 * config.sub: Ditto.
8516 * configure: Rebuilt.
8518 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
8520 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
8521 the frame pointer and compiling PIC code and reload has not completed.
8523 * i386.c (output_to_reg): Add code to emulate non-popping DImode
8526 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
8528 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
8530 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8532 * Makefile.in (install-info): Only try to update the info
8533 directory file if it exists in the first place.
8535 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
8537 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
8539 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
8541 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
8542 CONST_DOUBLE source.
8544 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
8546 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
8547 strings as the insertion of USER_LABEL_PREFIX.
8548 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
8550 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
8553 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
8555 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
8556 already defined type.
8558 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
8560 * expr.c (check_max_integer_computation_mode): Allow conversions
8561 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
8562 (expand_expr): Likewise.
8564 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8566 * expr.c (expand_expr): Expand RETURN_EXPR.
8568 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
8570 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
8572 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
8574 * dwarf2out.c (output_aranges): Call stripattributes
8575 for TEXT_SECTION references.
8576 (output_line_info): Likewise.
8578 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8580 * profile.c (branch_prob): Call allocate_reg_info after outputting
8581 profile rtl in instrument_arcs.
8583 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
8585 * fixinc.irix (math.h): Install wrapper instead of copying.
8587 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8589 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
8590 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
8591 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
8592 lang_flag_0. Added documentation in the flag table.
8594 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
8596 * cccp.c (do_include): Fix vax c style include handling.
8598 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
8600 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
8602 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
8604 * fold-const.c (non_lvalue): Don't deal with null pointer
8606 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8608 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
8610 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
8611 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
8612 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
8613 (u_short_cint_operand): Same.
8614 (reg_or_cint_operand): Same.
8615 (logical_operand): Same.
8616 (input_operand): Same.
8617 (reg_or_short_operand): Use u_short_cint_operand.
8619 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
8621 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
8622 but keep the insns and splits. Adjust so when the ultimate destination
8623 is memory, use cvtql.
8625 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
8627 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
8629 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
8631 * gcc.c (do_spec): Call "error" not "warning".
8633 * configure.in: Fix minor problems with gas feature detection code.
8634 * configure: Rebuilt.
8636 * gcc.c (do_spec): Issue a warning for '%[]' usage.
8639 * gcc.c: Delete %[spec] support.
8640 (do_spec_1, case '('): Likewise.
8641 (do_spec_1, case '['): Call error.
8643 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
8645 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
8646 (CPP_SUBTARGET_SPEC): Default to empty string.
8647 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
8648 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
8649 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
8650 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
8652 * alpha/linux.h (CPP_PREDEFINES): Tidy.
8653 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
8654 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
8655 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
8656 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
8657 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
8658 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
8659 * alpha/vxworks.h: Likewise.
8661 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
8663 * mips.md (reload_outsi): Added missing REGNO call.
8664 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
8666 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
8667 another match_operator and compare the codes.
8669 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
8671 * MIPS multiply pattern fixes:
8672 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8673 Add union classes for HI, LO, or HILO plus general registers.
8674 (GENERATE_MADD): Deleted.
8675 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
8676 Add TARGET_MAD to condition.
8677 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
8678 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
8679 "*d" for accumulator, to give preference to LO initially but not
8682 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
8684 * configure.in (enable_c_mbchar): New configure option.
8685 (extra_cpp_objs): Always available now.
8687 * cexp.y (mbchar.h): #include it.
8688 (yylex): Handle Multibyte characters in character literals.
8690 * cccp.c (mbchar.h): #include it.
8691 (main): Set character set based on LANG environment variable.
8692 (rescan): Handle multibyte characters in comments.
8693 (skip_if_group): See above.
8694 (validate_else): See above.
8695 (skip_to_end_of_comment): See above.
8696 (macarg1): See above.
8697 (discard_comments): See above.
8698 (rescan): Handle multibyte characters in string and character literals.
8699 (collect_expansion): See above.
8700 (skip_quoted_string): See above.
8701 (macroexpand): See above.
8702 (macarg1): See above.
8703 (discard_comments): See above.
8704 (change_newlines): See above.
8706 * c-lex.c (mbchar.h): #include it.
8707 (GET_ENVIRONMENT): New macro.
8708 (init_lex): Set character set based on LANG environment variable.
8709 (yylex): Handle multibyte characters in character literals.
8710 (yylex): Handle multibyte characters in string literals.
8712 * Makefile.in (mbchar.o): New target.
8713 (cccp$(exeext)): @extra_cpp_objs@ is always available.
8714 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
8716 * mbchar.[ch]: New files for multibyte character handling.
8718 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8720 * jump.c (jump_optimize): When simplifying noop moves and
8721 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
8722 the PUSHes to rewrite in second loop as we did in the first.
8724 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8726 * cplus-dem.c (demangle_nested_args): Make function definition
8727 static to match the prototype.
8729 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
8731 * alloca.c: Respect USE_C_ALLOCA.
8732 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
8733 * gengenrtl.c (xmalloc): Likewise.
8735 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
8737 * loop.h (struct induction): Add no_const_addval.
8738 * loop.c (the_movables, reg_address_cost): New variables.
8739 (init_loop): Init reg_address_cost.
8740 (loop_optimize): Call end_alias_analysis.
8741 (scan_loop): Init the_movables.
8742 (record_giv): Init induction->no_const_addval.
8743 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
8744 [REG]: Rearrange loop search test to catch more cases.
8745 (general_induction_var): Return success not benefit; take an extra
8746 argument for that. Change all callers.
8747 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
8748 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
8749 [default]: Search the_movables for additional combinations.
8750 (sge_plus_constant, sge_plus): New functions.
8751 (express_from_1): New function.
8752 (express_from): Always define. Rewrite using express_from_1.
8753 (combine_givs_p): Handle more cases. Ignore address cost.
8754 (cmp_combine_givs_stats): New function.
8755 (combine_givs_used_once, combine_givs_benefit_from): New functions.
8756 (combine_givs): Rewrite to do best-fit combination.
8758 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
8759 (fold): Do a complete (A*C)+(B*C) association check.
8761 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
8763 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
8765 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
8767 * mn10300.c (MODES_TIEABLE_P): Fix typo.
8769 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
8771 * tree.c (valid_machine_attribute): Only create a new type variant if
8772 there is a decl to use it.
8774 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
8776 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
8779 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
8781 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
8784 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
8786 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
8787 Simplify tests for clearing an address register.
8788 (expand_prologue): Corresponding changes.
8790 * mn10300.md (movXX patterns): Make sure the destination is an
8791 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
8792 (logical patterns): Split into expanders + patterns
8793 (zero and sign extension patterns): Similarly.
8794 (shift patterns): Similarly.
8796 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
8798 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
8799 for the sequence, recording base values.
8801 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
8803 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
8805 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
8807 * gcc.c: Remove ANSI-C ism from --help code.
8809 * toplev.c: Support --help with USE_CPPLIB.
8811 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
8813 * configure.in: Rework gas feature code to work with symlink based
8816 * extend.texi: Clarify some issues related to local variables
8817 assigned to explicit registers.
8819 * mn10300.md (mulsi): Turn into expander + pattern.
8821 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
8824 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
8826 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
8828 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
8830 * version.c: Bump again to distinguish mainline tree from the
8833 See ChangeLog.0 for earlier changes.
8836 add-log-time-format: current-time-string