1 Sat Jan 16 23:40:33 1999 Jeffrey A Law (law@cygnus.com)
3 * reload1.c (reload_cse_regs_1): Do not call
4 reload_cse_simplify_operands for an insn with asm operands.
6 * cccp.c (print_help): Fix typos.
7 * cpplib.c (print_help): Fix typos.
8 * toplev.c (f_optiosn): Fix typos.
9 (documented_lang_options): Fix typos.
11 Sat Jan 16 21:48:17 1999 Marc Espie (Marc.Espie@openbsd.org)
13 * gcc.c: (do_spec_1): Fix obvious typo.
15 Sat Jan 16 19:31:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17 * c-decl.c (duplicate_decls): If `warn_traditional', warn when
18 a non-static function declaration follows a static one.
20 * invoke.texi (-Wtraditional): Document the extra check now done
23 Sat Jan 16 15:13:46 1999 Jeffrey A Law (law@cygnus.com)
25 * pa.md (shadd): Create shadd insns, even if the result of the shift is
26 needed without the addition.
28 Sat Jan 16 10:48:16 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
30 * sh.md (movdf, movsf): Temporary workaround for no_new_pseudos lossage.
32 Fri Jan 15 23:44:37 1999 Richard Henderson <rth@cygnus.com>
34 * sparc.c (sparc_issue): Add hypersparc/sparclite86x entries.
36 Fri Jan 15 22:30:04 1999 David Edelsohn <edelsohn@mhpcc.edu>
38 * rs6000.h (CONST_OK_FOR_LETTER_P): Do not assume 32-bit CONST_INT.
39 * rs6000.c (u_short_cint_operand, add_operand, logical_operand,
40 non_add_cint_operand, non_logical_cint_operand): Likewise.
41 (get_issue_rate): Add CPU_PPC604E case.
42 * rs6000.md (movdi, !TARGET_POWERPC64 splitters): Handle 64-bit hosts.
44 Fri Jan 15 18:42:12 1999 Richard Henderson <rth@cygnus.com>
46 * expr.c (queued_subexp_p): Make public.
47 * expr.h (queued_subexp_p): Declare it.
48 * recog.c (asm_operand_ok): New function.
49 (check_asm_operands): Use it. After reload, use constrain_operands
51 * recog.h (asm_operand_ok): Declare it.
52 * stmt.c (expand_asm_operands): Use it to try harder to make
53 asms initially satisfy their constraints.
55 Fri Jan 15 17:43:59 1999 Jeffrey A. Law <law@rtl.cygnus.com>
57 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do not create
58 (mem (lo_sum (...)) for TFmode unless TARGET_V9.
60 Sat Jan 16 12:47:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
62 * config/c4x/c4x.md (not_repeat_reg): Allow ldp instruction
63 in delay slot of RPTBD.
65 Sat Jan 16 12:26:40 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
67 * config/c4x/libgcc.S (___divhi3, ___modhi3): Fix long long
68 divide and modulo sign problem.
70 Fri Jan 15 11:02:31 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
72 * unroll.c (loop_iterations): Return 0 if the last loop insn
73 is not a jump insn or if the loop has multiple back edges.
75 Thu Jan 14 22:38:41 1999 Jeffrey A Law (law@cygnus.com)
77 * unroll.c (find_splittable_givs): For a DEST_ADDR giv, do not share
78 a register with another DEST_ADDR giv if the address is not valid.
80 * pa.c (hppa_expand_epilogue): Save and restore the static chain
81 around the call to mcount.
83 * h8300.h (ASM_OUTPUT_LABELREF): Use asm_fprintf, not fprintf.
85 * stmt.c (expand_end_case): Use emit_cmp_and_jump_insns to avoid
86 generating non-canonical rtl.
88 1999-01-14 Vladimir N. Makarov <vmakarov@cygnus.com>
90 * config/i960/i960.c (i960_output_move_double_zero,
91 i960_output_move_quad_zero): New functions for moving zeros.
92 (i960_output_move_double, i960_output_move_quad): Additional code
93 for situation when moving unaligned register group.
95 * config/i960/i960.h (i960_output_move_double_zero,
96 i960_output_move_quad_zero): The function definitions.
98 * config/i960/i960.md (movdi+1, movti+1): Usage of the functions.
100 1999-01-13 Vladimir N. Makarov <vmakarov@cygnus.com>
102 * config/i960/i960.c (i960_function_prologue): New code (optimal
103 solution) for saving global registers in local registers.
104 (form_reg_groups, reg_group_compare, split_reg_group): New
105 functions used by the code.
106 (reg_group): New structure definition for the new code.
108 Wed Jan 13 20:12:37 1999 Richard Henderson <rth@cygnus.com>
110 * integrate.c (expand_inline_function): Recognize (mem (addressof))
111 and substitute. Copy the return value from there into a new pseudo.
113 Wed Jan 13 16:47:00 1999 Catherine Moore <clm@cygnus.com>
115 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
116 before generating a call to abort for volatile functions.
117 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
118 (TARGET_ABORT_NORETURN): Define.
119 (abort-on-noreturn): New option.
121 Thu Jan 14 13:52:42 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
123 * config/c4x/c4x.md (in_annul_slot_3): Correctly allow unarycc
124 and binarycc operations in 3rd annulled delay slot!
126 Wed Jan 13 16:16:44 1999 Catherine Moore <clm@cygnus.com>
128 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
129 before generating a call to abort for volatile functions.
130 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
131 (TARGET_ABORT_NORETURN): Define.
132 (abort-on-noreturn): New option.
134 Wed Jan 13 13:30:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
136 * cccp.c (xstrdup): Renamed from `savestring'. All callers changed.
137 Remove prototype which we get from libiberty.h.
139 * collect2.c (xstrdup): Likewise.
141 * genextract.c (xstrdup): Likewise for `copystr'.
142 (mybzero): Remove it and use `memset' instead.
144 * genoutput.c (mybcopy, mybzero): Remove these. All callers changed
145 to use `memcpy' and `memset' instead.
147 * genrecog.c (xstrdup): Renamed from `copystr'. All callers
148 changed. Remove prototype.
149 (mybcopy, mybzero): Remove these and use memcpy/memset.
151 Wed Jan 13 00:59:04 1999 Jeffrey A Law (law@cygnus.com)
153 * mips.h (LOAD_EXTEND_OP): Correct for SImode and CCmode moves when
154 generating code for TARGET_64BIT.
156 Tue Jan 12 14:05:37 1999 David Edelsohn <edelsohn@mhpcc.edu>
158 * rs6000.c (print_operand, cases 'm' and 'M'): Do not depend on
159 HOST_WIDE_INT word-size.
160 (rs6000_stack_info): Remove redundant alignment of fpmem.
162 Tue Jan 12 14:05:37 1999 Richard Henderson <rth@cygnus.com>
164 * rs6000.c (short_cint_operand): Remove CONSTANT_P_RTX handling.
165 (u_short_cint_operand, reg_or_cint_operand, logical_operand): Likewise.
166 (input_operand): Adjust CONSTANT_P_RTX handling.
167 * rs6000.h (PREDICATE_CODES): Remove CONSTANT_P_RTX references.
168 * rs6000.md (movsi): Adjust CONSTANT_P_RTX handling.
169 (movhi, movqi): Remove CONSANT_P_RTX handling.
170 (movdi): Adjust CONSTANT_P_RTX handling.
172 Tue Jan 12 10:23:24 1999 Stan Cox <scox@cygnus.com>
174 * mips.md (call_value_internal3c): New pattern for -mips16 -mlong-calls.
176 1999-01-12 Manfred Hollstein <manfred@s-direktnet.de>
178 * m68k/mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
179 ensure all prototypes necessary for building libio will be available.
180 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Remove
181 definitions here as they are not host specific.
182 * m88k/sysv3.h, m88k/xm-sysv3.h: Likewise.
184 Tue Jan 12 02:53:46 1999 Richard Henderson <rth@cygnus.com>
186 * cse.c (cse_insn): Never prefer (const (constant_p_rtx)).
188 Tue Jan 12 02:36:10 PST 1999 Jeff Law (law@cygnus.com)
190 * version.c: Bump for snapshot.
192 Tue Jan 12 01:30:19 1999 Richard Henderson <rth@cygnus.com>
194 * rtl.c (rtx_alloc): Use memset instead of inline loop.
196 * recog.h (recog_op_alt): Declare extern.
198 Tue Jan 12 00:23:31 1999 Richard Henderson <rth@cygnus.com>
200 * function.c (purge_addressof_1): If the note accesses a mem+addressof
201 in a wider mode than any replacement, adjust the cached replacement.
202 Cache trivial substitutions as well.
204 Tue Jan 12 00:06:00 1999 Richard Henderson <rth@cygnus.com>
206 * Makefile.in (OBJECTS): Add sbitmap.o.
207 (BASIC_BLOCK_H): Add sbitmap.h.
208 * basic-block.h: Move simple bitmap code to sbitmap.h.
209 * flow.c: Move simple bitmap code to sbitmap.c
210 * sbitmap.h, sbitmap.c: New files.
212 Mon Jan 11 23:51:50 1999 Richard Henderson <rth@cygnus.com>
214 * alpha.h (TARGET_SWITCHES): Document switches.
215 (TARGET_OPTIONS): Likewise.
217 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Use HOST_WIDE_INT_PRINT_DEC.
219 Mon Jan 11 22:54:14 1999 Richard Henderson <rth@cygnus.com>
221 * tree.c (new_alias_set): Return zero if !flag_strict_aliasing.
223 Mon Jan 11 22:36:01 1999 Richard Henderson <rth@cygnus.com>
225 * basic-block.h (basic_block_head): Rename to x_basic_block_head.
226 (basic_block_end): Rename to x_basic_block_end.
227 (BLOCK_HEAD, BLOCK_END): Update.
229 * caller-save.c: Change basic_block_head/end references to
231 * combine.c, flow.c, function.c, gcse.c, global.c: Likewise.
232 * graph.c, haifa-sched.c, local-alloc.c, regclass.c: Likewise.
233 * regmove.c, reload1.c, reorg.c, sched.c: Likewise.
235 Sat Jan 9 23:54:09 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
237 * gcc.c (xstrerror): Renamed from my_strerror. All callers
238 changed. Remove prototype since we get that from libiberty.h.
240 * protoize.c (xstrerror): Likewise.
242 Sat Jan 9 23:22:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
244 * gcc.c (read_specs): Ensure format specifiers match their arguments.
246 Sat Jan 9 20:04:24 1999 Richard Henderson <rth@cygnus.com>
248 * tree.c (copy_node): Oops. That would be copy not zero
251 Sun Jan 10 15:35:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
253 * config/c4x/c4x.c: Include system.h.
254 (c4x_caller_save_map): Disable caller save for RC.
255 (c4x_optimization_options): Disable scheduling before reload.
256 (valid_parallel_load_store) : Define return type as int.
257 Remove unused variable regs.
258 * config/c4x/c4x.h (REGISTER_MOVE_COST): Make independent of register
260 * config/c4x/c4x.md (rotlqi3, rotrqi3): Fix up emitted RTL to
262 (*db, decrement_and_branch_until_zero): Fix up constraints
263 to keep reload happy.
265 Sat Jan 9 18:35:29 1999 Richard Henderson <rth@cygnus.com>
267 * tree.c (make_node): Call bzero instead of inline clear.
268 (copy_node, make_tree_vec, build1): Likewise.
269 (get_identifier): Call strlen instead of inline count.
270 (maybe_get_identifier): Likewise.
272 Sun Jan 10 14:04:51 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
274 * config/c4x/c4x.md: (in_annul_slot_3): Allow unarycc and binarycc
275 operations in 3rd annulled delay slot.
276 (*lshrqi3_const_set): Disallow c constraint for operand0.
277 (modhi3+1, modhi3+2): Set attribute type to multi.
278 * config/c4x/c4x.c (c4x_S_constraint): Removed space in middle of
281 Sat Jan 9 11:44:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
283 * gansidecl.h: Allow attribute unused on labels only when we are
284 version 2.93 or higher. Not all versions of 2.92 have this feature.
286 * version.c: Bump minor number to 93.
288 Fri Jan 8 10:51:13 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
290 * config/m68k/m68k.h: Declare output_function_epilogue.
291 * recog.h: Declare next_insn_tests_no_inequality.
293 Fri Jan 8 01:43:53 1999 Jeffrey A Law (law@cygnus.com)
295 * stmt.c (optimize_tail_recursion): New function, extracted from ...
296 (expand_return): Use optimize_tail_recursion.
297 * tree.h (optimize_tail_recursion): Declare.
299 * toplev.c (compile_file): Move call to output_func_start_profiler
300 to after the loop to emit deferred functions.
302 Thu Jan 7 19:52:53 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
304 * system.h (abort): Supply more detailed information on how to
305 report an Internal Compiler Error.
307 Thu Jan 7 11:26:17 1999 Mark Mitchell <mark@markmitchell.com>
309 * calls.c (store_unaligned_arguments_into_pseudos): Use xmalloc to
310 allocate memory that will live beyond this function.
311 (expand_call): Free it here.
313 Thu Jan 7 03:08:17 1999 Richard Henderson <rth@cygnus.com>
315 * sparc.h (PREFERRED_RELOAD_CLASS): Select GENERAL_REGS for
316 integer data not destined for fp regs.
317 (LEGITIMIZE_RELOAD_ADDRESS): New.
319 Thu Jan 7 03:03:42 1999 Stan Cox <scox@cygnus.com>
320 Richard Henderson <rth@cygnus.com>
322 Support for Hypersparc and Sparclite86x:
323 * sparc.h (TARGET_CPU_hypersparc, TARGET_CPU_sparclite86x): New.
324 (CPP_CPU32_DEFAULT_SPEC): Fix up for the new targets.
325 (ASM_CPU32_DEFAULT_SPEC): Likewise.
326 (TARGET_CPU_DEFAULT): Likewise.
327 (enum processor_type): Likewise.
328 (CPP_ENDIAN_SPEC): Handle little endian data.
329 (LIBGCC2_WORDS_BIG_ENDIAN): Likewise.
330 (ADJUST_COST): Call sparc_adjust_cost.
331 * sparc.c (sparc_override_options): Fix up for the new targets.
332 (supersparc_adjust_cost): Make static.
333 (hypersparc_adjust_cost): New.
334 (ultrasparc_adjust_cost): Make static.
335 (sparc_adjust_cost): New.
336 * sparc.md (attr cpu): Add hypersparc and sparclite86x.
337 (function_unit): Add hypersparc scheduling rules.
339 * configure.in (with_cpu handler): Recognize hypersparc.
341 Thu Jan 7 23:54:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
343 * config/c4x/c4x.c: Added space after negation operator.
344 * config/c4x/c4x.h: Likewise.
345 * config/c4x/c4x.md: Likewise.
347 Thu Jan 7 23:39:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
349 * config/c4x/c4x.c (c4x_preferred_reload_class): Always return class.
351 Thu Jan 7 00:29:25 199 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
353 * combine.c (num_sign_bit_copies): In NEG, MULT, DIV and MOD cases,
354 when a test can't be performed due to limited width of
355 HOST_BITS_PER_WIDE_INT, use the more conservative approximation.
356 Fix UDIV case for cases where the first operand has the highest bit
359 Thu Jan 7 00:01:38 1999 Lutz Vieweg <lkv@mania.robin.de>
361 * pa.h (reg_class): Add FPUPPER_REGS.
362 (REG_CLASS_NAMES): Similarly.
363 (REG_CLASS_CONTENTS): Similarly
364 (REGNO_REG_CLASS): Handle FPUPPER_REGS.
365 (FP_REG_CLASS_P): Likewise.
366 (REG_CLASS_FROM_LETTER): Similarly.
367 (CLASS_MAX_NREGS): Similarly.
369 1999-01-06 Brendan Kehoe <brendan@cygnus.com>
371 * fixincludes: For HP/UX 10.20, also look in curses_colr/curses.h
372 for a typedef of bool. Make sure to have a copy of the file is
373 in place before we look to fix it. Fix typo in variable name to
376 Wed Jan 6 07:51:05 1999 Richard Henderson <rth@cygnus.com>
378 * expr.c (expand_builtin) [case BUILT_IN_CONSTANT_P]: Use
379 value_mode for the return mode.
381 Wed Jan 6 17:55:19 1999 Robert Lipe <robertlipe@usa.net>
383 * configure.in: New flag --with-dwarf2. If set, enables DWARF-2
384 debugging as default.
386 * config/tm-dwarf2.h: New file.
388 Wed Jan 6 16:08:54 1999 Jeffrey A Law (law@cygnus.com)
390 * h8300.h (ASM_OUTPUT_LABELREF): Define.
392 * pa.h (DONT_RECORD_EQUIVALENCE): Kill.
393 * local-alloc.c (update_equiv_regs): Corresponding changes.
394 * tm.texi (DONT_RECORD_EQUIVALENCE): Kill.
396 * calls.c (special_function_p): Push alloca test inside the large
397 conditional which excludes functions not at file scope or not
400 * calls.c (special_function_p): New function broken out of
402 (precompute_register_parameters): Likewise.
403 (store_one_arg): Likewise.
404 (store_unaligned_argumetns_into_pseudos): Likewise.
405 (save_fixed_argument_area): Likewise.
406 (restore_fixed_argument_area): Likewise.
407 (expand_call): Corresponding changes.
409 Wed Jan 6 10:43:29 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
411 * config/m68k/m68k.c (const_uint32_operand): Remove CONSTANT_P_RTX
413 (const_sint32_operand): Likewise.
415 Wed Jan 6 09:44:51 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
417 * toplev.h: In addition to checking _JBLEN, also check if `setjmp'
418 is a macro when deciding if we can use `jmp_buf' in prototypes.
420 Thu Jan 7 00:12:24 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
422 * config/c4x/c4x.md (addqi3): If the destination operand is
423 a hard register other than an extended precision register,
424 emit addqi3_noclobber.
425 (*addqi3_noclobber_reload): New pattern added so that reload
426 will recognise a store of a pseudo, equivalent to the sum
427 of the frame pointer and a constant, as an add insn.
429 Wed Jan 6 03:18:53 1999 Mark Elbrecht <snowball3@usa.net.
431 * configure.in (pc-msdosdjgpp): Set x_make to x-go32.
432 * configure: Rebuilt.
433 * i386/xm-go32.h: Define LIBSTDCXX.
435 * i386/go32.h (MD_EXEC_PREFIX): Define.
436 (FILE_NAME_ABSOLUTE_P): Define.
437 (LINK_COMMAND_SPEC): Define.
439 Wed Jan 6 02:23:36 1999 "Charles M. Hannum" <root@ihack.net>
441 * expr.c (store_expr): If the lhs is a memory location pointed
442 to be a postincremented (or postdecremented) pointer, always
443 force the rhs to be evaluated into a pseudo.
445 Wed Jan 6 00:54:21 1999 Geoff Keating <geoffk@ozemail.com.au>
447 * real.c (mtherr): Print more reasonable warning messages.
449 Tue Jan 5 21:57:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
451 * Makefile.in (gcc.o, prefix.o, cccp.o, cpplib.o): Depend on prefix.h.
453 * cccp.c: Include prefix.h, don't prototype prefix.c functions.
454 (new_include_prefix): Constify char* parameters.
456 * cppfiles.c (read_name_map): Likewise.
457 (append_include_chain): Likewise. Also, use a writable char* copy
458 of parameter `dir' which we then modify, rather than using the
459 parameter itself to store the new writable string.
460 (remap_filename): Constify some variables. Also, use a writable
461 char* to store an allocated string which we will be modifying.
463 * cpplib.c: Include prefix.h, don't prototype prefix.c functions.
464 (cpp_start_read): Constify variable `str'.
466 * cpplib.h (append_include_chain): Constify a char* parameter.
468 * gcc.c Include prefix.h, don't prototype prefix.c functions.
469 (add_prefix, save_string): Constify char* parameters.
470 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
472 * prefix.c: Include prefix.h.
473 (get_key_value, translate_name, save_string, update_path,
474 set_std_prefix): Constify various char* parameters and variables.
475 (save_string): Use xmalloc, not malloc.
476 (translate_name): Use a writable temporary variable to create and
477 modify a string before setting it to a const char*.
479 * prefix.h: New file to prototype functions exported from prefix.c.
481 Mon Jan 4 15:37:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
483 * cpplib.c (skip_if_group): Split out the logic that handles
484 directive recognition to its own function. Don't use
485 parse markers; use a bare pointer into the buffer. Use
486 copy/skip_rest_of_line instead of doing it by hand. Remove
487 `return on any directive' mode which was never used, and take
489 (consider_directive_while_skipping): New function, subroutine
490 of skip_if_group. Logic streamlined a bit.
491 (conditional_skip, do_elif, do_else): Call skip_if_group with
494 Mon Jan 4 15:27:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
496 * cpplib.c (do_undef): EOF immediately after '#undef FOO' is not an
499 Mon Jan 4 11:55:51 1999 Jason Merrill <jason@yorick.cygnus.com>
501 * extend.texi (Bound member functions): Document.
503 Mon Jan 4 11:01:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
505 * mips-tdump.c (st_to_string, sc_to_string, glevel_to_string,
506 lang_to_string, type_to_string): Make return type const char*.
507 (print_symbol): Apply `const' keyword to a char*.
508 (print_file_desc): Cast structure member `crfd' to ulong when
509 comparing against one.
511 * mips-tfile.c (pfatal_with_name): Apply `const' keyword to char*.
512 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
513 (progname, input_name): Apply `const' keyword to a char*.
514 Don't redundantly include sys/stat.h.
515 (alloc_info): Apply `const' keyword to a char*.
516 (st_to_string, sc_to_string): Likewise.
517 (hash_string): Cast variable `hash_string' to a symint_t when
518 comparing against one.
519 (add_string): Cast PAGE_USIZE to Ptrdiff_t when comparing against one.
520 Likewise cast it to long when comparing against one.
521 (add_local_symbol): Apply `const' keyword to a char*.
522 (add_ext_symbol): Likewise.
523 (add_unknown_tag): Likewise.
524 (add_procedure): Cast a printf-style field width to an int.
525 (add_file): Cast PAGE_USIZE to long when comparing against one
526 (parse_begin): Cast a printf-style field width to an int.
527 (parse_bend): Likewise.
528 (parse_def): Likewise.
529 (parse_end): Likewise.
530 (mark_stabs): Mark parameter `start' with ATTRIBUTE_UNUSED.
531 (parse_stabs_common): Fix format specifier.
532 (parse_input): Change type of variable `i' to Size_t.
533 (write_object): Fix arguments to match format specifiers.
534 Cast variable `num_write' to long when comparing against one.
535 (read_seek): Cast variable `sys_read' to symint_t when comparing
536 against one. Fix arguments to match format specifiers. Cast
537 variable `size' to long when comparing against one.
538 (copy_object): Cast result of `sizeof' to int when comparing
539 against one. Fix arguments to match format specifiers. Cast
540 variable `ifd' to long when comparing against a signed value.
543 Mon Jan 4 10:30:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
545 * c-common.c (decl_attributes): Allow applying attribute `unused'
548 * c-parse.in (label): Parse attributes after a label, and call
549 `decl_attributes' to handle them.
551 * gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
553 * genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
554 generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
556 * invoke.texi: Note that labels can be marked `unused'.
558 Sun Jan 3 23:32:18 PST 1999 Jeff Law (law@cygnus.com)
560 * version.c: Bump for snapshot.
562 Sun Jan 3 23:00:42 1999 Jeffrey A Law (law@cygnus.com)
564 * optabs.c (emit_cmp_and_jump_insns): Use CONSTANT_P canonicalizing
565 RTL for a compare/jump sequence.
567 Sun Jan 3 22:58:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
569 * optabs.c (emit_cmp_insn): Abort if asked to emit non-canonical RTL
570 for a target with HAVE_cc0 defined.
571 (emit_cmp_and_jump_insns): New function.
572 * expr.h (emit_cmp_and_jump_insns): Prototype it.
573 * loop.c (check_dbra_loop): Use it to replace calls
574 to emit_cmp_insn and emit_jump_insn and to canonicalise
575 the comparison if necessary.
576 * unroll.c (unroll_loop): Likewise.
578 Sun Jan 3 21:01:04 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
580 * fixincludes (sys/utsname.h): Provide forward declaration of
581 struct utsname on Ultrix V4.[35].
583 * mips.md (div_trap): Use local labels instead of dot-relative
586 Sun Jan 3 20:40:34 1999 Jeffrey A Law (law@cygnus.com)
588 * pa.md (branch, negated branch): Handle (const_int 0) as first
590 * pa.c (output_cbranch): Likewise.
592 Sun Jan 3 03:20:38 1999 David Edelsohn <edelsohn@mhpcc.edu>
594 * rs6000.c (rs6000_stack_info): Undo spurious part of last
597 1999-01-01 Manfred Hollstein <manfred@s-direktnet.de>
599 * extend.texi (__builtin_constant_p): Add missing @smallexample.
601 Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com)
603 * i386.md (doubleword shifts): Fix dumb mistakes in previous change.
605 Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com)
607 * m68k.md (adddi_dilshr32): Allow all operands to be registers too.
608 (adddi_dishl32): Similarly.
610 * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers
611 for each insn in the skipped block.
613 * reload1.c (reload_as_needed): Verify that the insn satisfies its
614 constraints after replacing a register address with an autoincrement
615 address for reload inheritance purposes.
617 * i386.md (doubleword shifts): Avoid namespace pollution.
619 Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com>
621 * configure.in (FreeBSD ELF): Needs special crt files.
623 Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com>
625 * i386/xm-cygwin.h: change DIR_SEPARATOR to forward slash.
627 1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
629 * loop.c (check_dbra_loop): While reversing the loop, if the
630 comparison value has a VOID mode use the mode of the other operand
633 Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com>
635 * rs6000.md ({save,restore}_stack_function): Take 2 operands to
636 avoid warnings in compiling explow.c.
638 (patch from Ken Raeburn, raeburn@cygnus.com)
639 * rs6000.c (rs6000_stack_info): Force 8-byte alignment of
640 fpmem_offset. Compute total size after that, and then
641 rs6000_fpmem_offset using both values.
643 Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
645 * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
646 the future; indeed that already happens in some cases.
648 Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com>
650 * sparc.c (input_operand): Recognize (const (constant_p_rtx)).
651 (arith_operand): Remove constant_p_rtx handling.
652 (const64_operand, const64_high_operand): Likewise.
653 (arith11_operand, arith10_operand, arith_double_operand): Likewise.
654 (arith11_double_operand, arith10_double_operand, small_int): Likewise.
655 (small_int_or_double, uns_small_int, zero_operand): Likewise.
656 * sparc.h (PREDICATE_CODES): Likewise.
658 * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX.
660 Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>:
662 * rtl.def (CONSTANT_P_RTX): Clarify commentary.
663 * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
664 consider constant CONSTRUCTOR constant and to defer some cases
666 * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
667 * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
669 Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com>
671 * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
672 * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
674 * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling.
675 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
676 (sext_add_operand, and_operand, or_operand): Likewise.
677 (reg_or_cint_operand, some_operand, input_operand): Likewise.
678 * alpha.h (PREDICATE_CODES): Likewise.
680 Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com)
682 * version.c: Bump for snapshot.
684 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
686 * gengenrtl.c (gencode): Always use bzero to clear memory instead
687 of dangerous casts and stores.
689 * Makefile.in (compare, gnucompare): Add missing else true clauses.
691 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
693 * alpha.md (builtin_longjmp): Add missing "DONE".
695 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
697 * gcc.c (execute): Enable -pipe with win32.
699 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
701 * config/arm/t-arm-elf: Add multiplib option for leading
704 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
705 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
707 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
708 than variable 'reload_address_base_reg_class'. [Note this
709 change is unrelated to the others in this patch].
711 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
714 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
716 * alias.c (record_alias_subset): Remove ignored `&'.
717 (init_alias_once): Likewise.
719 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
721 * config/mips/mips.c (mips_asm_file_end): Cast the result of
722 fwrite to `int' when comparing against one.
724 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
725 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
727 * cse.c (rehash_using_reg): Change type of variable `i' to
730 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
733 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
735 * final.c (final_scan_insn): Likewise for variable `i'.
736 (output_asm_insn): Cast a char to unsigned char when used as an
739 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
742 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
744 * recog.c (preprocess_constraints): Cast a char to unsigned char
745 when used as an array index.
747 * regmove.c (find_matches): Likewise.
749 * reload1.c (calculate_needs): Add default case in switch.
750 (eliminate_regs_in_insn): Initialize variable `offset'.
751 (set_offsets_for_label): Change type of variable `i' to unsigned.
752 (reload_as_needed): Wrap variable `i' in macro check on
753 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
755 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
756 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
757 when comparing against one.
759 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
760 unsigned when comparing against one. Likewise for
761 GET_MODE_ALIGNMENT().
762 (layout_record): Cast record_align to int when comparing against a
764 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
767 * tree.c (get_identifier): Cast variable `len' to unsigned when
768 comparing against one.
769 (maybe_get_identifier): Likewise
771 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
773 * toplev.c (rest_of_compilation): Do not set reload_completed.
774 * reload1.c (reload): Set reload_completed before calling
775 cleanup_subreg_operands.
777 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
779 * reload1.c (emit_reload_insns): Check `set' not null before use.
781 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
783 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
786 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
788 * halfpic.c (half_pic_encode): Delete redundant code.
790 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
792 * toplev.c (main): Delete handling of -dM as a preprocessor
795 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
797 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
798 -dI, which are handled by the preprocessor.
800 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
802 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
803 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
805 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
807 * version.c: Bump for snapshot.
809 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
811 * version.c: Bump for snapshot.
813 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
815 * version.c: Bump for snapshot.
817 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
819 * genattr.c (fatal): Qualify a char* with the `const' keyword.
821 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
822 write_unit_name, write_eligible_delay, expand_units,
823 make_length_attrs, write_attr_case, find_attr,
824 make_internal_attr): Likewise.
825 * gencheck.c (tree_codes): Likewise.
826 * gencodes.c (fatal): Likewise.
827 * genconfig.c (fatal): Likewise.
828 * genemit.c (fatal): Likewise.
829 * genextract.c (fatal, walk_rtx, copystr): Likewise.
830 * genflags.c (fatal): Likewise.
831 * genopinit.c (fatal, optabs, gen_insn): Likewise.
832 * genoutput.c (fatal, error, predicates): Likewise.
833 * genpeep.c (fatal): Likewise.
834 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
835 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
837 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
839 * configure.in (with-fast-fixincludes): Fix whitespace.
840 * configure: Rebuilt.
842 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
843 asm() etc. function declarations in __DECC.
845 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
847 * expr.c (emit_move_insn_1): Only emit a clobber if the target
848 is a pseudo register.
850 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
852 * gcse.c: Include expr.h in order to get the prototype for
853 get_condition() which is used in delete_null_pointer_checks().
855 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
857 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
859 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
861 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
862 (ALL_CFLAGS): Delete SCHED_CFLAGS.
864 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
866 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
869 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
871 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
872 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
873 optimizations from the combiner.
875 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
877 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
879 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
881 * toplev.c (main): Disable optimize_size if a specific
882 optimization level is requested. Always set optimization
883 level to 2 if -Os is specified.
885 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
887 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
889 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
890 initialize it using fname.
892 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
894 * cpplib.c (do_include): Treat #include_next in the
895 primary source file as #include plus warning. Treat
896 #include_next in a file included by absolute path as an
897 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
899 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
901 * cccp.c: Don't define MIN/MAX anymore.
902 * cpplib.c: Likewise.
903 * machmode.h: Likewise.
904 * system.h: Provide definitions for MIN/MAX.
906 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
908 * fix-header.c: Don't define xstrdup here.
910 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
912 * loop.c (consec_sets_giv): New argument last_consec_insn.
913 (strength_reduce): Provide / use it.
915 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
917 * loop.h (loop_info): New field 'vtop'.
918 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
919 scanning loop for vtop.
920 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
921 (loop_iterations): Use them to determine if loop has a constant
922 number of iterations. Set loop_info->vtop. Don't subtract
923 common reg term from initial_value and final_value if have a
926 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
928 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
930 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
932 * mn10200.md (abssf2, negsf2): New expanders.
934 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
936 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
938 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
939 replaced by a CONCAT whoes components do not have the same
940 mode as the original SUBREG, use a new SUBREG to restore the
943 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
944 multiword complex values.
946 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
948 * cppalloc.c: Add xstrdup here.
949 * cpplib.h: Remove savestring prototype.
950 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
952 * cppfiles.c: s/savestring/xstrdup/ throughout.
954 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
956 * cpplib.c: Make all directive handlers read their own
958 (struct directive): Remove last two arguments from FUNC
959 member prototype. Remove `command_reads_line' member
961 (directive_table): Remove initializations of
962 command_reads_line flag. Pretty-print.
963 (eval_if_expression, do_define, do_line, do_include,
964 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
965 do_else, do_elif, do_sccs, do_assert, do_unassert,
966 do_warning): Take only two args.
968 (cpp_define): Call do_define with two args and the text to
969 define stuffed into a buffer.
970 (make_assertion): Call do_assert with two args.
971 (handle_directive): Call do_line with two args. Call
972 kt->func with two args. Remove command_reads_line
974 (do_define, do_undef, do_error, do_warning, do_pragma,
975 do_sccs): Read the rest of the line here.
976 (do_ident): Gobble rest of line, as cccp does.
977 (cpp_undef): New function.
978 (cpp_start_read): Call cpp_undef instead of do_undef.
980 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
982 * cpphash.h (union hash_value): Remove `keydef' member, add a
983 `struct hashnode *aschain' member for #assert.
985 * cpplib.c (struct tokenlist_list, struct
986 assertion_hashnode): Delete structure definitions.
987 (assertion_install, assertion_lookup, delete_assertion,
988 check_assertion, compare_token_lists, reverse_token_list,
989 read_token_list, free_token_list): Delete functions.
990 (parse_assertion): New function.
991 (cpp_cleanup): Don't destroy the assertion_hashtable.
993 (do_assert): Gut and rewrite. #assert foo (bar) places
994 entries for `#foo' and `#foo(bar)' in the macro hash table,
995 type T_ASSERT. The value union's `aschain' member is used
996 to chain all answers for a given predicate together.
997 (do_unassert): Also rewritten. Take an un-asserted
998 answer off the chain from its predicate and call
999 delete_macro on the hashnode, or walk a predicate chain
1000 calling delete_macro on all the entries.
1001 (cpp_read_check_assertion): Simply call parse_assertion to
1002 get the canonical assertion name, and look that up in the
1005 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
1008 * cpphash.c (install): Use bcopy instead of an explicit loop
1009 to copy the macro name.
1011 * cppexp.c (cpp_lex): Convert the result of
1012 cpp_read_check_assertion to a `struct operation' directly;
1013 don't go through parse_number.
1015 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1017 * loop.h (struct induction): Delete times_used member.
1018 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
1019 (n_times_used): Rename to n_times_set. Changed all users.
1020 (scan_loop): Free reg_single_usage before strength reduction.
1021 (record_giv, combine_givs): Remove handling of times_used member.
1022 (combine_givs_used_once): Rename to:
1023 (combine_givs_used_by_other) . Changed all callers.
1025 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
1027 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
1028 instead of TREE_CODE_CLASS == 't'.
1029 (gen_type_die): Likewise.
1030 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
1032 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
1034 * real.c (endian): Disable last change unless
1035 HOST_BITS_PER_WIDE_INT is greater than 32.
1037 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1039 * output.h (force_data_section): New prototype.
1040 * varasm.c (force_data_section): New function to force the
1041 data section, regardless of what in_section thinks.
1042 * dwarf2out.c (output_call_frame_info): Call force_data_section
1043 since varasm may not realize we've changes sections.
1045 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
1047 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
1048 after completeing reload.
1050 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
1051 deleted after reload.
1053 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
1055 * rtl.h (multiple_sets): Fix prototype.
1056 * rtlanal.c (multiple_sets): Fix return type.
1058 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
1060 * version.c: Bump for snapshot.
1062 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
1064 * version.c: Bump for snapshot.
1066 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
1068 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
1070 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1072 * rtl.h (recompute_reg_usage): Add second argument.
1073 * flow.c (recompute_reg_usage): Likewise.
1074 * toplev.c (rest_of_compilation): Supply second argument to
1075 recompute_reg_usage.
1077 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
1080 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
1082 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
1083 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
1084 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
1087 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
1089 * rtlanal.c (multiple_sets): New function.
1090 * rtl.h (multiple_sets): Declare it.
1091 * local-alloc.c (wipe_dead_reg): Use it.
1092 * global.c (global_conflicts): Likewise.
1094 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
1096 * global.c (record_conflicts): Don't use an array of shorts to
1097 store an array of ints.
1098 (global_conflicts): Likewise.
1100 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
1102 * alpha.c (alpha_expand_block_move): mode_for_size expects
1103 bits, not bytes. Infer extra alignment from addressof.
1105 1998-12-11 Michael Meissner <meissner@cygnus.com>
1107 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
1108 .sbss section, not .sdata.
1110 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
1112 * cccp.c: Do not #include <sys/stat.h> here; this is already done
1114 * collect2.c: Likewise.
1115 * cpplib.h: Likewise.
1118 * getpwd.c: Likewise.
1119 * protoize.c: Likewise.
1120 * toplev.c: Likewise.
1122 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
1123 and don't try to define it here.
1124 * Makefile.in (cppmain.o): Depend on machmode.h.
1125 (cpplib.o): Likewise.
1126 (cpperror.o): Likewise.
1127 (cppexp.o): Likewise.
1128 (cppfiles.o): Likewise.
1129 (cpphash.o): Likewise.
1130 (cppalloc.o): Likewise.
1131 (fix-header.o): Likewise.
1132 (scan-decls.o): Likewise.
1134 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
1136 * sh.c (print_operand): lookup interrupt_handler attribute instead
1137 of relying on static variable.
1138 * (calc_live_regs): Likewise.
1139 * (sh_pragma_insert_attributes): Create interrupt_handler
1140 attribute if a pragma was specified
1141 * (sh_valid_machine_decl_attribute): Don't set static flag.
1142 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
1144 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1146 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
1147 to determine if a register is live at a jump destination.
1148 Everything is dead at a BARRIER.
1150 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
1152 * cse.c (simplify_unary_operation): Sign-extend constants when
1153 they have the most significant bit set for the target.
1154 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
1156 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
1157 HOST_WIDE_INT temporary before negating it.
1158 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
1160 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
1162 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
1165 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1167 * collect2.h: New header file for prototypes.
1169 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
1171 * collect2.c: Include collect2.h.
1172 * tlink.c: Likewise.
1174 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
1176 * flow.c: Update some comments.
1178 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
1180 * objc/objc-act.c (cpp_initialized): Removed.
1181 (lang_init_options): Initialize cpplib.
1182 (lang_decode_option): Move initialization of cpplib to
1184 * c-lang.c: (parse_options,parse_in): Added.
1185 (lang_init_options): Initialized cpplib here.
1186 * c-decl.c (parse_options,cpp_initialized): Removed.
1187 (c_decode_option): Move initialization of cpplib to
1190 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1192 * reload1.c (reload_combine, reload_combine_note_store):
1193 Make STORE_RUID always valid.
1194 (reload_combine): Check if BASE is clobbered too early.
1196 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
1198 * reload.c (find_reloads): Display the insn that cannot be
1201 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
1203 * cccp.c (create_definition): Fix end of bufer logic.
1205 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1207 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
1208 pointer parameters changed to use the PARAMS() macro.
1210 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1212 * except.h (struct handler_info): Add handler_number field.
1213 * except.c (gen_exception_label): EH labels no longer need to be
1214 on the permanent obstack.
1215 (get_new_handler): Set the label number field.
1216 (output_exception_table_entry): Regenerate handler label reference
1217 from the label number field.
1218 (init_eh): Remove a blank line.
1219 * integrate.c (get_label_from_map): Labels no longer need to be
1220 on the permanent obstack.
1222 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
1224 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
1225 only when OUTER_CODE is SET.
1227 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1229 * loop.c (strength_reduce): If scan_start points to the loop exit
1230 test, be wary of subversive use of gotos inside expression statements.
1231 Don't set maybe_multiple for a backward jump that does not
1232 include the label under consideration into its range.
1233 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
1235 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1237 * explow.c (plus_constant_wide): Don't immediately return with
1238 result of recursive call.
1240 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1242 * eh-common.h (struct eh_context): Add table_index for rethrows.
1244 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
1245 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
1246 processed when inlined or unrolled (ie duplicated in some way).
1248 * rtl.c (reg_note_name): Add strings for new reg_note enums.
1250 * expr.h (rethrow_libfunc): New library decl.
1252 * optabs.c (rethrow_libfunc): Initialize.
1254 * except.h (struct eh_entry): Add new field 'rethrow_label'.
1255 (new_eh_region_entry): No longer exported from except.c.
1256 (duplicate_handlers): Renamed to duplicate_eh_handlers and
1257 different prototype.
1258 (rethrow_symbol_map, rethrow_used): New exported functions.
1259 (eh_region_from_symbol): New exported function.
1261 * except.c (create_rethrow_ref): New function to create a single
1262 SYMBOL_REF for a rethrow region.
1263 (push_eh_entry): Initialize a rethrow ref.
1264 (func_eh_entry): Add a rethrow_label field.
1265 (new_eh_region_entry): Make static, and initialize the rethrow entry.
1266 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
1267 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
1268 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
1269 a region into an appropriate new symbol.
1270 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
1271 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
1272 (end_catch_handler): Emit a barrier for new-exceptions since
1273 control can never drop through the end of a catch block.
1274 (expand_end_all_catch): new-exceptions never fall through a catch
1276 (expand_rethrow): use __rethrow routine for new exceptions.
1277 (output_exception_table_entry): Generate rethrow labels, if needed.
1278 (output_exception_table): Generate start and end rethrow labels.
1279 (init_eh): Create rethrow symbols for beginning and end of table.
1280 (scan_region): Don't eliminate EH regions which are the targets of
1283 * flow.c (make_edges): Add different edges for rethrow calls,
1284 identified by having the REG_EH_RETHROW reg label.
1285 (delete_unreachable_blocks): Don't delete regions markers which are
1286 the target of a rethrow.
1288 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
1289 allow save_for_inline_copying to call duplicate_eh_handlers.
1290 (save_for_inline_copying): Call duplicate_eh_handlers instead of
1291 exposing internal details of exception regions.
1292 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
1293 (expand_inline_function_eh_labelmap): New callback routine to
1294 allow expand_inline_function to call duplicate_eh_handlers.
1295 (expand_inline_function): Call duplicate_eh_handlers instead of
1296 exposing internal details of exception regions.
1297 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
1300 * libgcc2.c (find_exception_handler): Generalize to enable it to
1301 pick up processing where it left off last time for a rethrow.
1302 (__unwinding_cleanup): New function. debug hook which is called before
1303 unwinding when __throw finds there is nothing but cleanups left.
1304 (throw_helper): Common parts of __throw extracted out for reuse.
1305 (__throw): Common parts moved to throw_helper.
1306 (__rethrow): New function for performing rethrows.
1308 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
1310 * reload1.c (current_function_decl): Tweak declaration.
1312 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
1314 * c-decl.c (flag_isoc9x): Default off.
1315 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
1316 * cccp.c (print_help, main): Likewise.
1317 * gcc.c (default_compilers): Update for -std=gnu*.
1319 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
1321 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
1322 * demangle.h: Deleted.
1324 * reload1.c (current_function_decl): Declare.
1326 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1328 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
1330 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1332 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
1334 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
1336 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
1338 * configure: Rebuilt.
1339 * system.h: If the *_unlocked functions are available use them
1340 instead of the locked counterparts by defining macros.
1341 * config.in: Regenerated.
1343 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
1345 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
1346 wrong and should only be used for dump related things, not
1347 debugging information, instead main_input_filename should be used.
1348 Also, reuse output_file_directive if possible.
1349 * i386/aix386ng.h (ASM_FILE_START): Likewise.
1350 * i386/isc.h (ASM_FILE_START): Likewise.
1351 * i386/win-nt.h (ASM_FILE_START): Likewise.
1352 * i386/sun386.h (ASM_FILE_START): Likewise.
1354 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
1356 * configure.in (mips*-*-linux*): Handle big and little endian
1358 * configure: Rebuilt.
1360 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
1362 * emit-rtl.c: Fix typo.
1364 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
1366 * reload1.c (eliminate_regs): Don't do anything, if we're not
1369 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
1371 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
1373 * mips/mips.c (mips_select_section): Add comment.
1375 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
1377 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
1378 characters in file names in #line to be consistent with #include
1379 handling. We support escape prcessing in the # 1 "..." version of
1380 the command. See also support in cp/lex.c.
1381 (handle_directive): Likewise.
1382 (do_line): Likewise.
1384 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
1386 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
1387 so it'll work on non-ASCII platforms. Always consider $ an
1388 identifier character. Take no arguments.
1389 (cpp_reader_init): Call initialize_char_syntax with no
1391 (cpp_start_read): Don't call initialize_char_syntax again.
1392 Clear is_idchar['$'] and is_idstart['$'] if not
1393 opts->dollars_in_ident.
1395 * cpplib.h (struct cpp_reader): Replace void *data element by
1396 cpp_options *opts. Rearrange elements to make gdb printout
1397 less annoying (put buffer stack at end).
1398 (CPP_OPTIONS): Get rid of now-unnecessary cast.
1400 * cppmain.c: s/data/opts/ when initializing cpp_reader
1402 * c-decl.c: Likewise.
1403 * objc/objc-act.c: Likewise.
1404 * fix-header.c: Likewise.
1406 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
1408 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
1409 with a struct file_name_list pointer.
1410 (struct cpp_reader): Add pointer to chain of `actual
1411 directory' include searchpath entries.
1412 (struct file_name_list): Add *alloc pointer for the sake of
1413 the actual-directory chain.
1415 Move definition of HOST_WIDE_INT here.
1416 (cpp_parse_escape): Change prototype to match changes in
1419 * cppfiles.c (actual_directory): New function.
1420 (finclude): Use it to initialize the buffer's actual_dir
1422 (find_include_file): We don't need to fix up max_include_len
1425 * cpplib.c (do_include): Don't allocate a file_name_list on
1426 the fly for current directory "" includes, use the one that's
1427 been preallocated in pfile->buffer->actual_dir. Hoist out
1428 duplicate code from the search_start selection logic.
1429 (cpp_reader_init): Initialize pfile->actual_dirs.
1431 Remove definition of HOST_WIDE_INT. Change calls
1432 to cpp_parse_escape to match changes in cppexp.c (note
1433 hardcoded MASK, which is safe since this is the source
1436 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
1437 to handle wide character constants in #if directives. The
1438 function now returns a HOST_WIDE_INT, and takes a third
1439 argument which is a binary mask for all legal values (0x00ff
1440 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
1441 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
1442 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
1444 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
1446 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
1448 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1450 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
1451 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
1452 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
1454 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
1456 * final.c (output_asm_name): Use tabs to seperate comments from
1459 Include instruction lengths (if defined) in output.
1461 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1463 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
1464 in the loop_info structure.
1466 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
1468 * configure.in: (arm*-*-ecos-elf): New target.
1469 * configure: Regenerated.
1470 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
1471 * config/arm/ecos-elf.h: New file.
1472 * config/arm/unknown-elf.h (TARGET_VERSION): Check
1475 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1477 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
1479 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
1481 * version.c: Bump for snapshot.
1483 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1485 * loop.c (check_dbra_loop): New argument loop_info. Update fields
1488 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
1490 * version.c: Bump for snapshot.
1492 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1494 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
1495 compressed reports are ok and preferred over URLs
1497 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1499 * invoke.texi (Warning Options): Soften the tone of -pedantic
1501 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
1503 * print-rtl.c (print_rtx): Add prototype.
1505 * unroll.c (iteration_info): Make it static.
1507 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
1509 * alias.c (memrefs_conflict_p): A second ANDed address
1510 disables the aligned address optimization.
1512 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
1514 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
1517 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
1519 * i960.h (BOOL_TYPE_SIZE): Define.
1521 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1523 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
1524 from old valid_parallel_operands_4.
1525 (valid_parallel_operands_4): Check that operands for 4 operand
1526 parallel insns are valid, excluding load/store insns.
1527 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
1528 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
1529 valid_parallel_load_store instead of valid_parallel_operands_4.
1530 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
1531 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
1532 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
1533 *notqi_movqi_clobber): Use valid_parallel_operands_4.
1534 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
1535 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
1536 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
1538 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1540 * config/c4x/c4x.c (iteration_info): Delete extern.
1542 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1544 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
1546 * final.c (cleanup_subreg_operands): Delete some unused code.
1548 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
1549 (struct insn_alternative): New structure definition.
1550 (recog_op_alt): Declare variable.
1551 (preprocess_constraints): Declare function.
1552 * recog.c (recog_op_alt): New variable.
1553 (extract_insn): Verify number of alternatives is in range.
1554 (preprocess_constraints): New function.
1555 * reg-stack.c: Include recog.h.
1556 (constrain_asm_operands): Delete.
1557 (get_asm_operand_lengths): Delete.
1558 (get_asm_operand_n_inputs): New function.
1559 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
1560 N_OUTPUTS args. All callers changed.
1561 Compute number of inputs and outputs here by calling
1562 get_asm_operand_n_inputs.
1563 Instead of constrain_asm_operands, call extract_insn,
1564 constrain_operands and preprocess_constaints. Use information
1565 computed by these functions throughout.
1566 (record_reg_life): Delete code that is unused due to changes in
1567 record_asm_reg_life.
1568 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
1569 N_INPUTS and N_OUTPUTS args. All callers changed.
1570 Similar changes as in record_asm_reg_life.
1571 (subst_stack_regs): Move n_operands declaration into the if statement
1573 Delete code that is unused due to changes in subst_asm_stack_regs.
1574 * stmt.c (expand_asm_operands): Verify number of alternatives is in
1576 * Makefile.in (reg-stack.o): Depend on recog.h.
1578 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
1580 * except.c (set_exception_version_code): Argument is an "int".
1582 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
1584 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
1585 * configure: Rebuilt.
1587 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
1589 * configure.in (mipsel-*-linux*): New target.
1590 * mips/linux.h: New file, based on other Linux targets.
1592 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
1594 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
1595 runs in the context of the deleter, not the deletee, so we must
1596 use taskVarGet to find the correct memory to free.
1597 (__gthread_key_create): Initialize the task
1598 variable subsystem so that the task variable is still active when
1599 the delete hook is run.
1601 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
1603 * pdp11.h: Use optimize_size for space optimizations.
1604 * pdp11.c: Likewise.
1605 * pdp11.md: Likewise.
1607 * pdp11.h (TARGET_40_PLUS): Fix typo.
1609 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
1611 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
1614 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1616 * alias.c (addr_side_effect_eval): New function.
1617 (memrefs_conflict_p): Use it.
1618 * rtl.h (addr_side_effect_eval): Prototype it.
1620 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
1622 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
1624 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
1626 * reload.c (find_reloads): When force const to memory, put result
1627 in substed_operand not *recog_operand_loc.
1629 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
1631 * c-lex.c: Fix indentation from last patch.
1632 Remove trailing whitespace.
1635 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
1637 * flow.c (delete_block): Call set_last_insn after we have reset
1638 NEXT_INSN (kept_tail).
1640 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
1642 * mips.md (trap_if): Use "$0" for the value zero.
1644 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
1645 Stephen L Moshier <moshier@world.std.com>
1646 Richard Henderson <rth@cygnus.com>
1648 * c-common.c (declare_function_name): Declare predefinied variable
1651 * c-decl.c (flag_isoc9x): Set to 1 by default.
1652 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
1653 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
1655 * c-parse.in: Allow constructors in ISO C 9x.
1656 Rewrite designator list handling.
1657 Allow [*] parameters.
1658 Don't warn about comma at end of enum definition for ISO C 9x.
1660 * cccp.c (c9x): New variable.
1661 (rest_extension): New variable.
1662 (print_help): Document new -std= option.
1663 (main): Recognize -std= option. Set c9x appropriately.
1664 (create_definition): Recognize ISO C 9x vararg macros.
1666 * gcc.c (default_compilers): Adjust specs for -std options.
1667 (option_map): Add --std.
1668 (display_help): Document -std.
1670 * toplev.c (documented_lang_options): Add -std and remove
1673 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
1674 or REAL_VALUE_HTOF based on base of the constants.
1675 * fold-const.c (real_hex_to_f): New function. Replacement function
1676 for hex FP conversion if REAL_ARITHMETIC is not defined.
1677 * real.c (asctoeg): Add handling of hex FP constants.
1678 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
1681 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
1683 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
1684 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
1685 expansion. Use hi/lo as destination register.
1687 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
1688 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
1689 Avoid as macro expansion. Use hi/lo as destination register.
1691 * mips.h (MASK_CHECK_RANGE_DIV): New.
1692 (MASK_NO_CHECK_ZERO_DIV): New.
1693 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
1694 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
1695 return address for leaf functions out of r31 to support
1696 builtin_return_address.
1698 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1700 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
1701 NEXT_INSN(x) to check insn x.
1703 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
1705 * flow.c (delete_block): Call set_last_insn if we end up deleting the
1706 last insn in the rtl chain.
1708 * reload1.c (reload): Do not set reload_completed or split insns
1710 * toplev.c (rest_of_compilation): Set reload_completed after
1711 reload returns. Split insns after reload_cse has run.
1713 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
1715 * final.c (final_scan_insn): Abort if block_depth falls below 0.
1717 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
1719 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
1721 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
1723 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
1724 use of user-label_prefix.
1726 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1728 * reload1.c (emit_reload_insns): Clear spill_reg_store
1729 when doing a new non-inherited reload from the same pseudo.
1731 * local-alloc.c (function_invariant_p): New function.
1732 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
1733 to decide if an equivalence should be recorded.
1734 * reload1.c (num_eliminable_invariants): New static variable.
1735 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
1736 to decide if an equivalence should be recorded.
1738 (calculate_needs_all_insns): Skip insns that only set an equivalence.
1739 Take num_eliminable_invariants into account when deciding
1740 if register elimination should be done.
1741 (reload_as_needed): Take num_eliminable_invariants into account
1742 when deciding if register elimination should be done.
1743 (eliminate_regs): Handle non-constant reg_equiv_constant.
1744 * rtl.h (function_invariant_p): Declare.
1746 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
1748 * version.c: Bump for snapshot.
1750 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
1752 * version.c: Bump for snapshot.
1754 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
1756 * except.c (add_new_handler): Complain about additional handlers
1757 after one that catches everything.
1759 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
1761 * configure.in (alpha*-*-netbsd): Fix typo.
1762 * configure: Rebuilt.
1764 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1766 * system.h: Include libiberty.h.
1768 * c-aux-info.c: Remove prototypes for concat/concat3. Change
1769 function `concat' from fixed parameters to variable parameters,
1770 as is done in libiberty. All callers of concat/concat3
1771 changed to use the new `concat' with variable args.
1773 * cccp.c: Remove things made redundant by libiberty.h and/or
1774 conform to libiberty standards.
1776 * collect2.c: Likewise.
1777 * config/1750a/1750a.h: Likewise.
1778 * cppalloc.c: Likewise.
1779 * cppexp.c: Likewise.
1780 * cppfiles.c: Likewise.
1781 * cpphash.c: Likewise.
1782 * cpplib.c: Likewise.
1783 * dyn-string.c: Likewise.
1784 * fix-header.c: Likewise.
1787 * genattr.c: Likewise.
1788 * genattrtab.c: Likewise.
1789 * gencheck.c: Likewise.
1790 * gencodes.c: Likewise.
1791 * genconfig.c: Likewise.
1792 * genemit.c: Likewise.
1793 * genextract.c: Likewise.
1794 * genflags.c: Likewise.
1795 * gengenrtl.c: Likewise.
1796 * genopinit.c: Likewise.
1797 * genoutput.c: Likewise.
1798 * genpeep.c: Likewise.
1799 * genrecog.c: Likewise.
1800 * getpwd.c: Likewise.
1801 * halfpic.c: Likewise.
1803 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
1804 in NEED_DECLARATION_* macros.
1806 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
1807 conform to libiberty standards.
1808 (fatal): Fix const-ification of variable `format' in
1809 !ANSI_PROTOTYPES case.
1811 * prefix.c: Remove things made redundant by libiberty.h and/or
1812 conform to libiberty standards.
1814 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
1815 conflicting with function `spaces' from libiberty.
1817 * profile.c: Remove things made redundant by libiberty.h and/or
1818 conform to libiberty standards.
1819 * protoize.c: Likewise.
1822 * tlink.c: Likewise.
1823 * toplev.c: Likewise.
1824 * toplev.h: Likewise.
1827 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1829 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
1831 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1833 * README.C4X: Updated URLs.
1834 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
1835 (valid_parallel_operands_5): Remove unused variable.
1837 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1839 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
1841 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
1843 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
1844 which can be configured.
1845 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
1846 (Makefile): Pass actual LANGUAGES through the environment when
1848 (cstamp-h): Likewise.
1849 (config.status): Likewise.
1851 * configure.in (enable_languages): Add new configuration parameter
1852 "--enable-languages=lang1,lang2,...".
1853 (${srcdir}/*/config-lang.in): Change handling to configure only
1854 those directories, that the user might have enabled; default to
1855 "all" existing languages.
1856 * configure: Regenerate.
1858 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
1860 * rtlanal.c (regs_set_between_p): New function.
1861 * rtl.h (regs_set_between_p): Prototype it.
1862 * jump.c (jump_optimize): Use it instead of modified_between_p
1863 in the Sep 2 change.
1865 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
1866 Matthias Pfaller <leo@dachau.marco.de>
1868 * invoke.texi (Option Summary, NS32K Options): add description
1869 of NS32K specific options.
1871 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
1872 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
1873 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
1874 negdf2, absdf2): Use l instead of f since the double class and
1875 float class are no longer the same.
1876 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
1877 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
1878 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
1879 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
1881 (cmpsi, cmphi, cmpqi): use general_operand instead of
1882 non_immediate_operand. Removes erroneous assumption that can't
1884 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
1885 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
1887 (movstrsi, movstrsi1, movstrsi2): completely new block move
1889 (...): Patterns to exploit multiply-add instructions.
1890 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
1891 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
1892 patterns to exploit extended divide insns.
1893 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
1896 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
1897 float return values as well as simple scalar floats.
1898 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
1899 support new flag to denote 32381 fpu.
1900 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
1901 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
1903 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1904 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
1905 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
1906 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
1907 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
1908 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
1909 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
1910 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
1911 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
1912 fpu registers and special register classes for new 32381
1913 instructions dotf and polyf.
1914 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
1916 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
1917 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
1919 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
1920 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
1921 (REGISTER_MOVE_COST): move code to register_move_cost function for
1922 ease of coding and debugging.
1923 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
1924 LONG_FLOAT_REGO is likely spilled but not caught by default
1926 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
1927 instead of hard coded numbers in range check.
1928 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
1929 (...): Add prototypes for functions in ns32k.c but disable because
1930 of problems when ns32k.h is included in machine independant files.
1932 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
1933 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
1934 hard_regno_mode_ok, secondary_reload_class,
1935 print_operand, print_operand_address): new register scheme to
1936 include 32381 fpu registers and special register classes for new
1937 32381 instructions dotf and polyf.
1938 (gen_indexed_expr): Make static to keep namespace clean.
1939 (check_reg): remove since never called.
1940 (move_tail, expand_block_move): helper functions for "movstrsi"
1942 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
1943 Increase cost of moves which go via memory.
1944 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
1945 (CPP_PREDEFINES): nolonger predefine "unix".
1947 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
1948 Remove erroneous %$. print_operand() can work out from the rtx is
1949 an immediate prefix is required.
1951 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
1952 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
1953 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
1955 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
1958 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
1959 Correct handling of pic operands.
1960 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
1961 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
1962 -mrtd calling convention.
1964 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
1966 * gcc.c (option_map): Recognize --output-class-directory.
1968 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1970 * loop.h (precondition_loop_p): Added new mode argument.
1971 * unroll.c (precondition_loop_p): Likewise.
1972 (approx_final_value): Function deleted and subsumed
1973 into loop_iterations.
1974 (loop_find_equiv_value): New function.
1975 (loop_iterations): Use loop_find_equiv_value to find increments
1976 too large to be immediate constants. Also use it to find terms
1977 common to initial and final iteration values that can be removed.
1979 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1981 * loop.h (struct loop_info): Define new structure.
1982 (precondition_loop_p): Added prototype.
1983 (unroll_loop): Added new argument loop_info to prototype.
1984 (final_biv_value, final_giv_value): Added new argument n_iterations
1986 * loop.c (strength_reduce): Declare new structure loop_iteration_info
1987 and new pointer loop_info.
1988 (loop_n_iterations): Replace global variable by element in
1989 loop_info structure.
1990 (check_final_value): New argument n_iterations.
1991 (insert_bct): New argument loop_info.
1992 (loop_unroll_factor): Replace global array by element in
1993 loop_info structure.
1994 (loop_optimize): Remove code to allocate and initialise
1995 loop_unroll_factor_array.
1996 * unroll.c (precondition_loop_p): No longer static since
1997 used by branch on count optimization.
1998 (precondition_loop_p, unroll_loop): New argument loop_info.
1999 (final_biv_value, final_giv_value, find_splittable_regs): New
2000 argument n_iterations.
2001 (loop_iteration_var, loop_initial_value, loop_increment,
2002 loop_final_value, loop_comparison_code, loop_unroll_factor):
2003 Replaced global variables by loop_info structure.
2004 (loop_unroll_factor): Replace global array by element in
2005 loop_info structure.
2007 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2009 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
2012 * unroll.c (precondition_loop_p): Return loop_initial_value
2013 for initial_value instead of loop_iteration_var.
2015 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2017 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
2018 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
2019 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
2020 to output the instruction sequences.
2022 (rptb_top): Provide alternatives to use any register or memory
2024 (rptb_end): Emit use of operands rather than assigning them
2025 explicitly to the RS and RE registers.
2027 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2029 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
2030 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
2031 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
2032 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
2033 c4x_merge_notes, c4x_parallel_process,
2034 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
2035 c4x_combine_parallel): Delete.
2037 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2039 * config/c4x/c4x.c: (c4x_override_options): For compatibility
2040 with old target options clear flag_branch_on_count_reg if
2041 -mno-rptb specified and set flag_argument_alias is -mno-aliases
2043 (c4x_output_cbranch): Handle a sequence of insns rather than a
2045 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
2046 has not been allocated as the loop counter.
2047 (c4x_address_conflict): Do not allow two volatile memory references.
2048 (valid_parallel_operands_4, valid_parallel_operands_5,
2049 valid_parallel_operands_6): Reject pattern if the register destination
2050 of the first set is used as part of an address in the second set.
2052 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2054 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
2055 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
2056 is no longer enabled if PARALLEL_MPY_FLAG set.
2057 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
2058 (REG_CLASS_CONTENTS): Add braces around initializers.
2059 (HAVE_MULTIPLE_PACK): Define.
2060 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
2061 REAL_VALUE_TO_DECIMAL.
2062 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
2063 REAL_VALUE_TO_DECIMAL.
2064 (ar0_reg_operand): Add prototype.
2065 (ar0_mem_operand): Likewise.
2066 (ar1_reg_operand): Likewise.
2067 (ar1_mem_operand): Likewise.
2068 (ar2_reg_operand): Likewise.
2069 (ar2_mem_operand): Likewise.
2070 (ar3_reg_operand): Likewise.
2071 (ar3_mem_operand): Likewise.
2072 (ar4_reg_operand): Likewise.
2073 (ar4_mem_operand): Likewise.
2074 (ar5_reg_operand): Likewise.
2075 (ar5_mem_operand): Likewise.
2076 (ar6_reg_operand): Likewise.
2077 (ar6_mem_operand): Likewise.
2078 (ar7_reg_operand): Likewise.
2079 (ar7_mem_operand): Likewise.
2080 (ir0_reg_operand): Likewise.
2081 (ir0_mem_operand): Likewise.
2082 (ir1_reg_operand): Likewise.
2083 (ir1_mem_operand): Likewise.
2084 (group1_reg_operand): Likewise.
2085 (group1_mem_operand): Likewise.
2086 (ir1_reg_operand): Likewise.
2087 (arx_reg_operand): Likewise.
2088 (not_rc_reg): Likewise.
2089 (not_modify_reg): Likewise.
2090 (c4x_group1_reg_operand): Remove prototype.
2091 (c4x_group1_mem_operand): Likewise.
2092 (c4x_arx_reg_operand): Likewise.
2094 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
2096 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
2097 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
2099 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2101 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
2104 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2106 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
2107 unless FMOVD_WORKS is defined.
2109 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2111 * regclass.c (init_reg_sets): Move code that calculates tables
2112 dependent on reg_class_contents from here...
2113 (init_reg_sets_1): To here.
2115 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2117 * cpplib.h: Delete struct import_file. Add ihash element to
2118 struct cpp_buffer. Delete dont_repeat_files and
2119 import_hash_table elements from cpp_reader; change
2120 all_include_files to a hash table. Delete all foobar_include
2121 / last_foobar_include elements from struct cpp_options; put
2122 back four such: quote_include, bracket_include,
2123 system_include, after_include. Redo struct file_name_list
2124 completely. Add new structure type include_hash. Add
2125 prototypes for merge_include_chains and include_hash. Change
2126 prototypes for finclude, find_include_file, and
2127 append_include_chain to match changes below.
2129 * cppfiles.c (simplify_pathname, include_hash,
2130 remap_filename, merge_include_chains): New functions.
2131 (add_import, lookup_import, open_include_file): Removed.
2132 (INO_T_EQ): Define this (copied from cccp.c).
2133 (hack_vms_include_specification): Remove all calls and #if 0
2134 out the definition. It was being called incorrectly and at
2135 the wrong times. Until a VMSie can look at this, it's better
2136 to not pretend to support it.
2137 (append_include_chain): Change calling convention; now takes
2138 only one directory at a time, and sets up the data structure
2140 (redundant_include_p): Rewritten - this is now used for all
2141 include redundancy, whether by #ifndef, #import, or #pragma
2142 once. Looks up things in the include hash table.
2143 (file_cleanup): Decrement pfile->system_include_depth here if
2145 (find_include_file): Calling convention changed; now passes
2146 around a struct include_hash instead of 3 separate parameters.
2147 Guts ripped out and replaced with new include_hash mechanism.
2148 (finclude): Calling convention changed as for
2149 find_include_file. Error exits pulled out-of-line. Reformat.
2150 (safe_read): Return a long, not an int.
2151 (deps_output): Don't recurse.
2153 * cpplib.c (is_system_include): Deleted.
2154 (path_include): Fix up call to append_include_chain.
2155 (do_include): Fix up calls to find_include_file and finclude.
2156 Clean up dependency output a bit. Shorten obnoxiously lengthy
2157 #import warning message. Don't decrement
2158 pfile->system_include_depth here.
2159 (do_pragma): Understand the include_hash structure. Reformat.
2160 (do_endif): Correct handling of control macros. Understand
2162 (cpp_start_read): Fix up calls to finclude. Call
2163 merge_include_chains.
2164 (cpp_handle_option): Fix up calls to append_include_chain.
2165 Understand the four partial include chains.
2166 (cpp_finish): Add debugging code (#if 0-ed out) for the
2168 (cpp_cleanup): Free the include_hash, not the import hash and
2169 the all_include and dont_repeat lists which no longer exist.
2171 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
2173 * toplev.c (no_new_pseudos): Define.
2174 (rest_of_compilation): Set no_new_pseudos as needed.
2175 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
2176 if no_new_pseudos is set.
2177 * rtl.h (no_new_pseudos): Declare it.
2178 * reload1.c (reload): Update comments.
2179 * md.texi: Corresponding changes.
2181 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2183 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
2184 (choose_reload_regs): Rename it here as well. When computing it,
2185 also merge in used hardregs.
2187 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2189 * gcc.c: Split out Objective-C specs to...
2190 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
2193 * c-lex.c (init_parse): Always initialize the filename global.
2194 * objc/objc-act.c (lang_init): Always call check_newline at
2197 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
2199 * reload1.c (reload): Remove unused variable.
2200 (reload_reg_free_for_value_p): Add missing parameter definition.
2202 * jump.c (jump_optimize): Remove unused variable.
2204 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
2206 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
2208 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
2210 * expr.c (move_by_pieces): Similarly.
2211 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
2212 * flow.c (find_auto_inc): Similarly.
2213 (try_pre_increment): Similarly.
2214 * loop.c (strength_reduce): Similarly.
2215 * regclass.c (auto_inc_dec_reg_p): Similarly.
2216 * regmove.c (try_auto_increment): Similarly.
2217 (fixup_match_1): Similarly.
2218 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
2219 (HAVE_PRE_DECREMENT): Similarly.
2220 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
2221 * Corresponding changes to all target header files.
2222 * tm.texi: Update docs for autoinc addressing modes.
2224 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
2226 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
2227 * configure: Rebuild.
2228 * config/elfos.h: New file.
2229 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
2230 config/m68k/t-m68kelf: New file.
2232 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
2234 * Makefile.in (HOST_AR): Define.
2235 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
2236 (libcpp.a): Use the host tools explicitly.
2237 (STAGESTUFF): Add libcpp.a.
2239 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
2241 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
2242 to source and destination registers.
2244 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
2246 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
2247 The strategy we now use is to pre allocate the top_elt along
2248 with the EH context so that each thread has its own top_elt.
2249 This is necessary as the dynmanic cleanup chain is used on the
2250 top element of the stack and each thread MUST have its own.
2251 (eh_context_static): Likewise.
2252 (new_eh_context): Likewise.
2253 (__sjthrow): Likewise.
2255 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
2257 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
2258 * i386.md (prologue_get_pc): Remove unused variable.
2260 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
2262 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
2264 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
2266 * Makefile.in (OBJS): Add graph.o
2267 (graph.o): New dependency list.
2268 * flags.h: Declare dump_for_graph and define graph_dump_types type.
2269 * print-rtl.c (dump_for_graph): Define new variable.
2270 (print_rtx): Rewrite to allow use in graph dumping functions.
2271 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
2272 finish_graph_dump_file.
2273 Define graph_dump_format.
2274 (compile_file): If graph dumping is enabled also clear these files.
2275 Finish graph dump files.
2276 (rest_of_compilation): Also dump graph information if enabled.
2277 (main): Recognize -dv to enabled VCG based graph dumping.
2278 * graph.c: New file. Graph dumping functions.
2280 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
2282 * configure.in: Look for <sys/stat.h>.
2283 * system.h: Include it before substitute S_ISREG definitions.
2285 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
2287 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
2288 * config/mips/iris6.h: Same.
2289 * config/mips/mips.md: Same.
2290 * config/mips/mips.c: Same; also add "-mabi=o64" option.
2291 * config/mips/mips.h: Same; also define ABI_O64.
2293 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2295 * configure.in: Use AC_PREREQ(2.12.1).
2297 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2299 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
2300 * cpplib.c, gcc.c: Likewise.
2301 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
2303 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
2305 * local-alloc.c (local_alloc): Use malloc not alloca for
2306 reg_qty, reg_offset, ref_next_in_qty.
2308 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2310 * caller-save.c (insert_one_insn): Initialize the live_before and
2311 live_after register sets.
2315 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
2316 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
2317 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
2318 (fp_reg_names, assembler_dialect): New variables.
2319 (print_operand_address): Handle SUBREGs.
2320 (print_operand): Added 'o' case.
2321 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
2322 Name of FP registers depends on mode.
2323 (expand_block_move): Emit different code for SH4 hardware.
2324 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
2325 (from_compare): Likewise.
2326 (add_constant): New argument last_value. Changed all callers.
2327 (find_barrier): Don't try HImode load for FPUL_REG.
2328 (machine_dependent_reorg): Likewise.
2329 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
2330 (gen_far_branch): Emit a barrier after the new jump.
2331 (barrier_align): Don't trust instruction lengths before
2333 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
2334 Use auto-inc addressing for fp registers if doubles need to
2335 be loaded in two steps.
2336 Set sh_flag_remove_dead_before_cse.
2337 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
2338 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
2339 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
2340 Support for FIRST_XD_REG .. LAST_XD_REG.
2341 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
2342 (sh_expand_epilogue): Likewise.
2343 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
2344 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
2345 (arith_reg_operand): FPUL_REG is OK for SH4.
2346 (fp_arith_reg_operand, fp_extended_operand) New functions.
2347 (tertiary_reload_operand, fpscr_operand): Likewise.
2348 (commutative_float_operator, noncommutative_float_operator): Likewise.
2349 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
2350 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
2351 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
2352 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
2353 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
2354 (CONDITIONAL_REGISTER_USAGE): Likewise.
2355 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
2356 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
2357 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
2358 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
2359 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
2360 to -1 and sh_flag_remove_dead_before_cse to 1.
2361 (ASSEMBLER_DIALECT): Define to assembler_dialect.
2362 (assembler_dialect, fp_reg_names): Declare.
2363 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
2364 Hide names of registers that are not accessible.
2365 (CACHE_LOG): Take TARGET_CACHE32 into account.
2366 (LOOP_ALIGN): Take TARGET_HARWARD into account.
2367 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
2368 (FIRST_PSEUDO_REGISTER: Now 49.
2369 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
2370 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
2371 (HARD_REGNO_MODE_OK): Update.
2372 (enum reg_class): Add DF_REGS and FPSCR_REGS.
2373 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
2374 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
2375 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
2376 (NPARM_REGS): Eight floating point parameter registers on SH4.
2377 (BASE_RETURN_VALUE_REG): SH4 also passes double values
2378 in floating point registers.
2379 (GET_SH_ARG_CLASS) Likewise.
2380 Complex float types are also returned in float registers.
2381 (BASE_ARG_REG): Complex float types are also passes in float registers.
2382 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
2383 (LIBCALL_VALUE): Remove trailing semicolon.
2384 (ROUND_REG): Round when double precision value is passed in floating
2386 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
2387 passed on the stack.
2388 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
2389 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
2390 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
2391 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
2392 (MODE_DISP_OK_8): Not for SH4 DFmode.
2393 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
2394 Allow indexed addressing for PSImode after reload.
2395 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
2396 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
2397 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
2398 (DOUBLE_TYPE_SIZE): 64 for SH4.
2399 (RTX_COSTS): Add PLUS case.
2400 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
2401 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
2402 MAC_REGS, PR_REGS, DF_REGS.
2403 (REGISTER_NAMES): Use fp_reg_names.
2404 (enum processor_type): Add PROCESSOR_SH4.
2405 (sh_flag_remove_dead_before_cse): Declare.
2406 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
2407 (PREDICATE_CODES): Add binary_float_operator,
2408 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
2409 fpscr_operand, noncommutative_float_operator.
2410 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
2411 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
2412 * sh.md (attribute cpu): Add value sh4.
2413 (attrbutes fmovd, issues): Define.
2414 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
2415 (function units memory, int, mpy, fp): Make dependent on issue rate.
2416 (function units issue, single_issue, load_si, load): Define.
2417 (function units load_store, fdiv, gp_fpul): Define.
2418 (attribute hit_stack): Provide proper default.
2419 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
2420 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
2421 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
2422 (mulsi3_call): Now uses match_operand for function address.
2423 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
2425 (push, pop, push_e, pop_e): Now define_expands.
2426 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
2427 (movsi_ie): Added y/i alternative.
2428 (ic_invalidate_line_i, movdf_i4): New insns.
2429 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
2430 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
2431 (movdf): Add special code for SH4.
2432 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
2433 (call_valuei, calli, call_value): Likewise.
2434 (movsf): Emit no-op move.
2435 (mov_nop, movsi_y): New insns.
2436 (blt, sge): generalize to handle DFmode.
2437 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
2438 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
2439 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
2440 (fpu_switch0, fpu_switch1, movpsi): New expanders.
2441 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
2442 (toggle_sz): New insn.
2443 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
2444 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
2445 (macsf3): Make use of fpscr visible. Disable for SH4.
2446 (floatsisf2): Make use of fpscr visible.
2447 (floatsisf2_i4): New insn.
2448 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
2449 (ieee_ccmpeqsf_t): Likewise.
2450 (fix_truncsfsi2): Emit different code for SH4.
2451 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
2452 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
2453 (negsf2, sqrtsf2, abssf2): Now expanders.
2454 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
2455 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
2456 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
2457 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
2458 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
2459 (fix_truncdfsi2_i4_2+1): New splitters.
2460 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
2461 (extendsfdf2, truncdfsf2): New expanders.
2462 (truncdfsf2_i4): New insn.
2463 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
2464 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
2465 * float-sh.h: When testing for __SH3E__, also test for
2466 __SH4_SINGLE_ONLY__ .
2467 * va-sh.h (__va_freg): Define to float.
2468 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
2469 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
2470 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
2471 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
2473 (TARGET_SH4_P): Define.
2476 * sh.md (movdf_k, movsf_i): Tweak the condition so that
2477 init_expr_once is satisfied about the existence of load / store insns.
2479 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
2480 change m constraint in source operand to mr / mf .
2482 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
2484 * (__VA_REEF): Define.
2485 (__va_arg_sh1): Use it.
2487 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
2489 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
2491 * i386/dgux.c (struct option): Add new "description field".
2492 * m88k/m88k.c (struct option): Likewise.
2494 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
2496 * version.c: Bump for snapshot.
2498 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2500 * regmove.c (regmove_profitable_p): Use return value of find_matches
2503 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
2505 * version.c: Bump for snapshot.
2507 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
2509 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
2510 without reload having been called earlier.
2512 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
2514 (v850_reorg): Similarly.
2516 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
2518 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2520 * loop.c (move_movables): Start of libcall might be new loop start.
2522 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2524 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
2526 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2528 * function.c (nonlocal_goto_handler_slots): Renamed from
2529 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
2530 (push_function_context_to): Adjust for this change.
2531 (pop_function_context_from): Likewise.
2532 (init_function_start): Likewise.
2533 (expand_function_end): Likewise.
2534 * function.h (struct function): Likewise.
2535 * calls.c (expand_call): Likewise.
2536 * explow.c (allocate_dynamic_stack_space): Likewise.
2537 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
2538 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
2540 (expand_goto): When doing a nonlocal goto, find corresponding handler
2541 slot for it. Don't put the label address in the static chain register.
2542 (expand_end_bindings): Break out nonlocal goto handling code into
2543 three new functions.
2544 (expand_nl_handler_label, expand_nl_goto_receiver,
2545 expand_nl_goto_receivers): New static functions, broken out of
2546 expand_end_bindings and adapted to create one handler per nonlocal
2548 * function.c (delete_handlers): Delete insn if it references any of
2549 the nonlocal goto handler slots.
2550 * i960.md (nonlocal_goto): Comment out code that modifies
2552 * sparc.md (nonlocal_goto): Likewise.
2553 (goto_handler_and_restore_v9): Comment out.
2554 (goto_handler_and_restore_v9_sp64): Comment out.
2556 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2558 * expr.c (STACK_BYTES): Delete unused macro.
2559 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
2560 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2561 (expand_call): Likewise.
2562 (emit_library_call): Likewise.
2563 (emit_library_call_value): Likewise.
2564 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
2565 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2566 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
2567 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2568 (allocate_dynamic_stack_space): Likewise.
2569 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
2570 (STACK_BOUNDARY): Update description to reflect the new situation.
2572 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
2574 * reorg.c (relax_delay_slots): When optimizing for code size, if a
2575 return with a filled delay slot is followed by a return with an
2576 unfilled delay slot, delete the first return and reemit the insn
2577 that was previously in its delay slot.
2579 * i860.c (single_insn_src_p): Add missing parens.
2580 * ginclude/math-3300.h: Likewise.
2582 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
2584 * regclass.c (init_reg_sets_1): Add prototype.
2585 (init_reg_modes): Likewise.
2587 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
2589 * c-common.c: Change warning messages to say `comparison is
2590 always true' or `comparison is always false' instead of the
2591 confusing `is always 0', `is always 1'.
2593 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
2595 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
2596 break instead of return (which loses closing '>').
2598 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
2600 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
2601 standard 387 constants.
2603 * i386.md (jump): Explicitly set "memory" attribute.
2604 (indirect_jump, prologue_set_stack_ptr): Likewise.
2605 (prologue_get_pc_and_set_got, pop): Likewise.
2606 (allocate_stack_worder, blockage, return_internal): Likewise.
2607 (return_pop_internal, nop): Likewise.
2608 (epilogue_set_stack_ptr, leave): Likewise.
2610 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
2612 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
2614 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2616 * reload1.c (reload_reg_free_for_value_p):
2617 Early auto_inc reloads don't conflict with outputs.
2619 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2621 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
2622 Instead call AC_HEADER_SYS_WAIT.
2624 * collect2.c: Don't provide defaults for sys/wait.h macros.
2626 * protoize.c: Likewise. Also, don't include sys/wait.h.
2628 * system.h: Include sys/wait.h and provide macro defaults.
2630 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2632 * Makefile.in (mandir): Set to @mandir@.
2633 (man1dir): New variable to hold the former value of $(mandir).
2634 Replace all uses of $(mandir) by $(man1dir).
2636 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
2638 * reload.c (find_reloads_address_part): If have a CONST_INT, create
2639 a new one before passing it to force_const_mem.
2641 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
2642 find_reloads_address call.
2644 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2646 * expr.c (store_expr): Don't generate load-store pair
2647 if TEMP is identical (according to ==) with TARGET.
2649 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2651 * reload1.c (reload_reg_free_for_value_p): When considered reload
2652 has an output, matching inputs are not sufficient to avoid conflict.
2654 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
2656 * hash.h (hash_table_key): New type.
2657 (hash_entry): Change `string' field to generic `key'.
2658 (hash_table): Add `comp' and `hash' functions.
2659 (hash_table_init): Take them as input.
2660 (hash_table_init_n): Likewise.
2661 (hash_lookup): Modify for generic keys.
2662 (hash_newfunc): Likewise.
2663 (hash_traverse): Likewise.
2664 (string_hash): New function.
2665 (string_compare): Likewise.
2666 (string_copy): Likewise.
2667 * hash.c (hash_table_init_n): Modify for generic keys.
2668 (hash_table_init): Likewise.
2669 (hash_lookup): Likewise.
2670 (hash_newfunc): Likewise.
2671 (hash_traverse): Likewise.
2672 (string_hash): Split out from hash_lookup.
2673 (string_compare): New function.
2674 (string_copy): Split out from hash_lookup.
2675 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
2677 (symbol_hash_lookup): Likewise.
2678 (file_hash_newfunc): Likewise.
2679 (file_hash_lookup): Likewise.
2680 (demangled_hash_newfunc): Likewise.
2681 (demangled_hash_lookup): Likewise.
2682 (tlink_int): Likewise.
2683 (read_repo_file): Likewise.
2684 (recompile_files): Likewise.
2685 (demangle_new_symbols): Likewise.
2686 (scan_linker_output): Likewise.
2688 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2690 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
2692 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
2694 * rs6000.c (output_mi_thunk): Improve test for local branch.
2696 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2698 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
2700 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2702 * reload1.c (reload_reg_free_before_p): Delete.
2703 Changed all callers to use reload_reg_free_for_value_p instead.
2704 (reload_reg_free_for_value_p): Handle more reload types.
2705 A RELOAD_FOR_INPUT doesn't conflict with its
2706 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
2707 Add special case for OUT == const0_rtx.
2708 Added ignore_address_reloads argument. Changed all callers.
2710 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
2712 * toplev.c (compile_file): Don't pedwarn about undefined static
2713 functions just because we passed -Wunused.
2715 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2717 * function.c (purge_addressof_1): Unshare rtl created by
2720 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2722 * regmove.c (regmove_optimize): Don't do anything but
2723 optimize_reg_copy[123] when flag_regmove is not set.
2725 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
2727 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
2728 value in paradoxical SImode result, rather than truncating midpoint.
2730 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
2732 * alpha.c (reg_not_elim_operand): New.
2733 * alpha.h (PREDICATE_CODES): Add it.
2734 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
2735 for the multiplicand.
2737 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
2739 * rs6000.md (movsf): Remove explicit secondary-reload-like
2740 functionality. Only truncate SFmode store if in FPR.
2741 (movsf splitters): Combine const_double splitters.
2742 (movsf_hardfloat): Add GPR support.
2744 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
2746 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
2747 deprecate -mlive-g0 and -mbroken-saverestore.
2748 * t-splet (MULTILIB_OPTIONS): Likewise.
2750 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
2751 in a leaf function. Clarify total_size/extra_size relationship.
2753 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
2755 * i386/cygwin32.asm: Delete.
2756 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
2757 * i386/cygwin32.h: Delete.
2758 * i386/cygwin.h: New file, renamed from cygwin32.h.
2759 * i386/t-cygwin32: Delete.
2760 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
2761 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
2762 * i386/x-cygwin32: Delete.
2763 * i386/x-cygwin: New file, renamed from x-cygwin32.
2764 * i386/xm-cygwin32: Delete.
2765 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
2766 renamed cygwin_ funcs for path translations.
2767 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
2768 * i386/winnt.c: Remove "32" from comment about cygwin.
2769 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
2770 * rs6000/cygwin32.h: Delete.
2771 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
2772 -D__CYGWIN__ to CPP_PREDEFINES.
2773 * rs6000/x-cygwin32: Delete.
2774 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
2775 * rs6000/xm-cygwin32: Delete.
2776 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
2778 * configure.in: Check for cygwin* instead of cygwin32. Account
2779 for the rename of cygwin-related config files to lose the "32"s.
2780 * configure: Regenerate.
2782 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
2783 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
2785 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
2787 * Makefile.in (JAVAGC): New macro.
2788 * configure: Rebuilt.
2789 * configure.in: Recognize --enable-java-gc argument. Subst
2792 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2794 Handle equivalences that have been obscured by gcse:
2796 * reload1.c (reload): Handle equivalences set up in multiple places.
2797 * local-alloc.c (reg_equiv_init_insns): New variable.
2798 (no_equiv): New function.
2799 (update_equiv_regs): Handle equivalences set up in multiple places.
2800 Don't ignore an insn just because its destination is likely to be
2803 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
2805 * except.c (expand_eh_return): Readd force_operand call lost in
2808 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
2810 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
2812 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2814 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
2816 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2818 * regmove.c (regmove_optimize): Fix error in last change.
2820 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
2822 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
2823 offset in the .mask pseudo to compensate for frame pointer adjustments.
2824 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
2825 word swap arguments moved to/from FP registers.
2826 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
2828 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
2830 * version.c: Bump for snapshot.
2832 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
2834 * version.c: Bump for snapshot.
2836 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
2838 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
2839 times, then it can not be completely replaced.
2841 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
2843 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
2845 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2847 * gansidecl.h: Prepend a "G" to the macro wrapping this file
2848 (to distinguish it from the macro wrapping ansidecl.h.)
2849 Include libiberty's ansidecl.h. Remove all redundant definitions.
2850 Define the PROTO() style macros in terms of the PARAMS() ones.
2853 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
2854 __STDC__, when deciding whether to use ANSI variable args.
2855 (emit_library_call_value): Likewise.
2857 * cccp.c (error): Likewise.
2858 (warning): Likewise.
2859 (error_with_line): Likewise.
2860 (warning_with_line): Likewise.
2861 (pedwarn): Likewise.
2862 (pedwarn_with_line): Likewise.
2863 (pedwarn_with_file_and_line): Likewise.
2866 * cexp.y (error): Likewise.
2867 (pedwarn): Likewise.
2868 (warning): Likewise.
2870 * collect2.c (fatal_perror): Likewise.
2874 * combine.c (gen_rtx_combine): Likewise.
2876 * cpperror.c (cpp_message): Likewise.
2877 (cpp_fatal): Likewise.
2879 * cpplib.c (cpp_error): Likewise.
2880 (cpp_warning): Likewise.
2881 (cpp_pedwarn): Likewise.
2882 (cpp_error_with_line): Likewise.
2883 (cpp_warning_with_line): Likewise.
2884 (cpp_pedwarn_with_line): Likewise.
2885 (cpp_pedwarn_with_file_and_line): Likewise.
2887 * cpplib.h: Don't define PARAMS() macro.
2889 * demangle.h: Likewise.
2891 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
2892 when deciding whether to use ANSI variable args.
2894 * emit-rtl.c (gen_rtx): Likewise.
2895 (gen_rtvec): Likewise.
2897 * final.c (asm_fprintf): Likewise.
2899 * fix-header.c (cpp_message): Likewise.
2901 (cpp_fatal): Likewise.
2903 * gcc.c (concat): Likewise.
2907 * genattr.c (fatal): Likewise.
2909 * genattrtab.c (attr_rtx): Likewise.
2910 (attr_printf): Likewise.
2913 * gencodes.c (fatal): Likewise.
2915 * genconfig.c (fatal): Likewise.
2917 * genemit.c (fatal): Likewise.
2919 * genextract.c (fatal): Likewise.
2921 * genflags.c (fatal): Likewise.
2923 * genopinit.c (fatal): Likewise.
2925 * genoutput.c (fatal): Likewise.
2928 * genpeep.c (fatal): Likewise.
2930 * genrecog.c (fatal): Likewise.
2932 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
2933 deciding whether to declare `tree_node' and `rtx_def'.
2935 * hash.h: Don't define stuff we get from gansidecl.h.
2937 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
2938 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2939 whether to use ANSI variable args.
2942 * prefix.c (concat): Likewise.
2946 * system.h: Likewise.
2948 * toplev.c (error_with_file_and_line): Likewise.
2949 (error_with_decl): Likewise.
2950 (error_for_asm): Likewise.
2953 (warning_with_file_and_line): Likewise.
2954 (warning_with_decl): Likewise.
2955 (warning_for_asm): Likewise.
2956 (warning): Likewise.
2957 (pedwarn): Likewise.
2958 (pedwarn_with_decl): Likewise.
2959 (pedwarn_with_file_and_line): Likewise.
2961 (really_sorry): Likewise.
2963 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2964 whether to declare `tree_node' and `rtx_def'.
2966 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
2967 deciding whether to use ANSI variable args.
2968 (build_nt): Likewise.
2969 (build_parse_node): Likewise.
2971 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
2973 * version.c: Bump for snapshot.
2975 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2977 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
2979 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
2981 * collect2.c (main, case 'b'): Use else if.
2983 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2985 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
2986 Arrange to include gansidecl.h in {ht}config.h & tm.h just
2987 before the config/ directory headers.
2988 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
2989 gansidecl.h in the list of dependencies.
2991 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
2992 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
2993 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
2994 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
2995 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
2996 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
2999 * cccp.c: Don't include gansidecl.h.
3001 * collect2.c: Likewise.
3002 * config/c4x/c4x.c: Likewise.
3003 * config/v850/v850.h: Likewise.
3004 * cppalloc.c: Likewise.
3005 * cpperror.c: Likewise.
3006 * cppexp.c: Likewise.
3007 * cppfiles.c: Likewise.
3008 * cpphash.c: Likewise.
3009 * cpplib.c: Likewise.
3010 * cppmain.c: Likewise.
3011 * cppulp.c: Likewise.
3012 * demangle.h: Likewise.
3013 * doprint.c: Likewise.
3014 * dyn-string.c: Likewise.
3015 * eh-common.h: Likewise.
3016 * fix-header.c: Likewise.
3017 * frame.c: Likewise.
3020 * gen-protos.c: Likewise.
3021 * gencheck.c: Likewise.
3022 * halfpic.h: Likewise.
3024 * machmode.h: Likewise.
3025 * mbchar.c: Likewise.
3026 * prefix.c: Likewise.
3027 * protoize.c: Likewise.
3028 * recog.h: Likewise.
3030 * scan-decls.c: Likewise.
3032 * varray.h: Likewise.
3034 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
3036 * i386.md (call_value_pop): If we're not popping anything,
3037 defer to call_value.
3038 (call_pop): Likewise defer to call.
3040 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
3042 * function.c (purge_addressof): Clear purge_addressof_replacements
3043 only after processing the whole function.
3045 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
3047 * reload1.c (reload): If we can not perform a particular elimination
3048 when we thought we could earlier, then we must always iterate through
3049 the loop at least one more time.
3051 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
3053 * alpha.c (add_operand): Simplify the CONST_INT match.
3054 (sext_add_operand): Correct typo in comparison by using
3055 CONST_OK_FOR_LETTER_P.
3056 * alpha.md (s?addq): Use sext_add_operand to allow the negative
3057 constant alternatives to be generated.
3058 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
3059 small constants, since the hw instructions do.
3061 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3063 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
3064 previous insn to store directly into our reload register, make sure
3065 that if the source of the previous insn is a reload register, its
3066 spill_reg_store and spill_reg_stored_to values are cleared.
3068 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
3070 * rs6000.md (floatunssidf2_internal splitter): Use base register
3071 operand, not hard-coded SP.
3073 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3075 * jump.c (calculate_can_reach_end): Fix thinko.
3077 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
3079 * reorg.c (fill_simple_delay_slots): Fix typo.
3081 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
3083 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
3085 * i386.md (extendsidi2): Use # in the output template.
3086 (extendsidi splitters): New splitters.
3088 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
3090 * configure.in: Use unknown-elf.h as tm_file for arm-elf
3092 * configure: Regenerate.
3094 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3096 * jump.c (init_label_info, delete_barrier_successors,
3097 mark_all_labels, delete_unreferenced_labels,
3098 delete_noop_moves, calculate_can_reach_end): New functions broken
3099 out of jump_optimize.
3100 (jump_optimize): Use them.
3102 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
3104 * except.c (expand_fixup_region_end): Make sure outer context labels
3105 are not issued in an inner context during cleanups.
3107 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
3109 * alpha.md (addsi3, subsi3): No new temporaries once cse is
3112 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
3114 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
3115 to expose this midpoint to CSE.
3117 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3119 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
3121 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3123 * configure.in: Bring over gcc2 change of Nov 19 1997.
3125 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
3127 * toplev.c (output_lang_identify): Make definition dependent on
3128 ASM_IDENTIFY_LANGUAGE.
3130 * print-rtl.c (spaces): Make static.
3132 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
3134 * extend.texi: Clarify proper uses for register clobbers in asms.
3136 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3138 * recog.h (enum op_type): Define.
3139 (constrain_operands): Adjust prototype.
3140 (recog_op_type): Declare new variable.
3141 * recog.c (recog_op_type): New variable.
3142 (insn_invalid_p): Allow modifying an asm statement after reload.
3143 (extract_insn): Set up recog_op_type.
3144 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
3145 Don't compute operand types, use recog_op_type.
3146 Use the information computed by extract_insn instead of the previous
3147 method of finding it by insn code number.
3148 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
3149 * reorg.c (fill_slots_from_thread): Likewise.
3150 * reload1.c (reload_as_needed): Likewise.
3151 (gen_reload): Likewise.
3152 (inc_for_reload): Likewise.
3153 (reload_cse_simplify_operands): Likewise.
3154 Use the information computed by extract_insn instead of the previous
3155 method of finding it by insn code number.
3156 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
3158 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
3159 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
3160 Use the information computed by extract_insn instead of the previous
3161 method of finding it by insn code number.
3162 * regmove.c (find_matches): Likewise. Change meaning of the return
3163 value to be nonzero if the optimization can be performed, zero if
3164 not. All callers changed.
3165 Shorten some variable names to fix formatting problems.
3166 (regmove_optimize): Shorten some variable names to fix formatting
3168 Use the information computed by extract_insn instead of the previous
3169 method of finding it by insn code number.
3170 * regclass.c (scan_one_insn): Likewise.
3171 (record_reg_classes): Don't compute operand types, use recog_op_type.
3172 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
3173 recog_constraints instead.
3175 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
3177 * rtl.h (flow2_completed): Declare.
3178 * flow.c (flow2_completed): Definition.
3179 * toplev.c (rest_of_compilation): Set and clear flow2_completed
3182 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
3184 * Makefile.in (libcpp.a): Ranlib libcpp.a
3186 * cppulp.c (user_label_prefix): Initialize.
3188 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
3190 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
3191 at a RETURN if current_function_sp_is_unchanging is set.
3193 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3195 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
3197 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
3199 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
3200 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
3201 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
3202 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
3203 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
3204 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
3206 (LIB_SPEC): Handle -mno-cyginw option.
3207 (LINK_SPEC): Handle -mdll.
3209 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3211 * reload.c (find_reloads): Fix test for usage by other reload
3212 to handle secondary reloads properly.
3214 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3216 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
3217 intermediate structure which has exactly the members provided by
3218 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
3219 static intermediate structure.
3221 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
3222 from the intermediate structure. Do the same analogous fix in
3223 the case where ELIMINABLE_REGS is not defined.
3225 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
3227 * pa.h (SELECT_SECTION): Fix thinko.
3229 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
3231 * dwarf2out.c (output_call_frame_info): Comments on last change.
3233 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
3235 * arm.c (add_constant): When taking the address of an item in the
3236 pool, get the mode of the item addressed.
3238 * arm.c (final_prescan_insn case INSN): If an insn doesn't
3239 contain a SET or a PARALLEL, don't consider it for conditional
3242 Restore ABI compatibility for NetBSD.
3243 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
3245 (RETURN_IN_MEMORY): Likewise.
3247 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
3249 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
3250 (m32r_output_block_move): Rewrite bytes < 4 handling.
3252 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3254 * configure.in: Call AC_FUNC_VFORK.
3256 * collect2.c: Define VFORK_STRING as a printable string for
3257 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
3258 defined, include vfork.h. If VMS is defined, define vfork()
3259 appropriately. Remove vfork check on USG, we're using autoconf.
3260 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
3261 checking locally what string to pass.
3262 (scan_prog_file): Likewise.
3263 (scan_libraries): Likewise.
3265 * gcc.c: Remove vfork check on USG, we're using autoconf.
3266 Besides, no calls to vfork/fork occur in this file.
3268 * protoize.c: Likewise.
3270 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3272 * configure.in (DEFAULT_LINKER): renamed from LD
3273 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
3274 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
3275 * configure: rebuilt
3277 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3279 * BUGS: fix the regexp for `more' to find the appropriate node.
3280 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
3282 * BUGS: added link to the WWW FAQ
3284 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
3286 * version.c: Bump for snapshot.
3288 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
3290 * From Christian Gafton:
3291 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
3292 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
3293 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
3295 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
3297 * c-common.c (c_get_alias_set): Allow all type-punning through
3298 unions. Don't get confused about the type of a bit-field, despite
3299 the antics of build_modify_expr.
3301 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
3303 * fixinc.sco: Paramaterize #include_next values.
3304 * fixinc/fixinc.sco: Likewise.
3306 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
3308 * toplev.c (rest_of_compilation): No longer set reload_completed.
3309 * reload1.c (reload): Set it here. Perform instruction splitting
3310 after reload has completed if we will be running the scheduler
3313 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
3315 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
3316 EH region if exceptions are enabled and we're performing cross
3318 (find_cross_jump): Exit loop if the insns are in different EH regions.
3320 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
3322 * dwarf2out.c (output_call_frame_info): Use
3323 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
3325 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3327 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
3328 * c-common.c (check_format_info): Don't check for the 'x'
3329 format character twice, instead check for 'x' and 'X'
3331 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
3333 * configure.in (assembler features): Also make gas is configured if
3334 we find it in the souce tree.
3336 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
3338 * i386.c (i386_comp_type_attributes): Compare whether the
3339 attributes are defined, not their tree nodes.
3341 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3343 * configure.in (gxx_include_dir): bitten by autoconf quoting
3345 * configure: rebuilt
3347 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3349 * configure.in: Ignore non-absolute value in $AS.
3351 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
3353 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
3355 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
3357 * configure.in (msdosdjgpp): Set exeext and target_alias.
3359 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3361 * flow.c (XNMALLOC): New macro.
3362 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
3364 (add_edge, add_edge_to_label): New static functions.
3365 (free_bb_memory): New function.
3366 (flow_delete_insn): Delete function.
3367 (basic_block_drops_in): Delete variable.
3368 (find_basic_blocks): Allocate and initialize basic_block_head,
3369 basic_block_succ. Don't allocate basic_block_drops_in.
3370 Call free_bb_memory at the beginning.
3371 (find_basic_blocks_1): Don't do multiple passes.
3372 Delete code to compute basic_block_drops_in.
3373 After calling make_edges, mark blocks reached by current block live.
3374 Update test for unreachable live blocks.
3375 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
3377 Simplify to call add_edge_to_label when a LABEL_REF is found.
3378 (make_edges): Simplify to call add_edge_to_label instead of
3379 mark_label_ref most of the time.
3380 Compute here whether control drops into the next block.
3381 (delete_unreachable_blocks): Return void. All callers changed.
3382 Delete unreachable blocks in reverse order.
3383 After deleting all unreachable blocks, renumber the remaining ones
3384 and update n_basic_blocks.
3385 (delete_block): Speed up deletion a bit.
3386 Don't set basic_block_drops_in for deleted blocks.
3387 (free_basic_block_vars): Don't free basic_block_drops_in.
3388 (life_analysis_1): Update to use new edge representation.
3389 (dump_flow_info): Delete code to print basic block info; call
3390 dump_bb_data instead.
3391 (compute_preds_succs): Delete code to recompute basic_block_drops_in
3392 and uid_block_number.
3393 Simply copy the previously computed cfg.
3394 (dump_bb_data): New arg LIVE_INFO. All callers changed.
3395 Print register lifetime information if LIVE_INFO is nonzero.
3396 * basic-block.h (dump_bb_data): Adjust prototype.
3397 * gcse.c (gcse_main): Update call to dump_bb_data.
3398 * rtl.h (free_bb_memory): Declare.
3399 * toplev.c (rest_of_compilation): Call free_bb_memory.
3401 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
3402 (update_eliminable_offsets): Don't compute it.
3403 (set_initial_elim_offsets): Don't initialize it.
3404 Break out some code into set_initial_label_offsets so the rest of
3405 this function can be called from reload_as_needed.
3406 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
3407 ELIMINABLE_REGS isn't.
3408 (set_initial_label_offsets): New function, broken out of
3409 set_initial_elim_offsets.
3410 (set_offsets_for_label): New function, broken out of set_label_offsets
3411 and reload_as_needed.
3412 (reload): Call the two new functions.
3413 (reload_as_needed): Call set_initial_elim_offsets instead of
3414 duplicating the code. Likewise for set_offsets_for_label.
3416 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
3417 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
3418 any hard reg, reg_reloaded_dead contains valid data.
3420 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
3422 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
3423 "stdcall" and "cdecl" attributes.
3425 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
3427 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
3428 handle deleted no-op moves of hard registers.
3429 * haifa-sched.c (update_flow_info): Likewise.
3431 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
3433 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
3434 of the sequences to reload the HILO register which do not actually
3437 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
3439 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
3441 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
3443 * except.c (emit_eh_context): Make the EH context register stay alive
3444 at -O0 so stupid.c doesn't get confused.
3446 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3448 * emit-rtl.c (try_split): Do not try to split a BARRIER.
3450 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
3451 Jeffrey A Law (law@cygnus.com)
3453 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
3454 (zero_extendsidi2): Use # in output template and handle completely by
3456 (zero_extend splitters): New define_splits.
3457 (ashiftrt_32): New pattern.
3459 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3461 * tree.c (append_random_chars): New fn.
3462 (get_file_function_name_long): Use it.
3464 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
3466 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
3467 (LIBCPP_OBJS): New. Add cppulp.o.
3468 (cppmain, fix-header): Depend on and use libcpp.a.
3469 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
3470 of the individual object files.
3471 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
3474 * cccp.c (user_label_prefix): New.
3475 (main): Set it off -f*leading-underscore.
3476 (special_symbol): Use it.
3477 * cpplib.c (special_symbol): Likewise.
3478 (cpp_handle_option): Handle -f*leading-underscore.
3479 * cppulp.c: New file.
3481 * output.h (user_label_prefix): Declare it.
3482 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
3483 * toplev.c (f_options, main): Handle -f*leading-underscore.
3485 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
3486 referencing USER_LABEL_PREFIX directly.
3487 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
3488 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
3489 * final.c (asm_fprintf): Use user_label_prefix instead.
3490 * arm/thumb.c (thumb_print_operand): Likewise.
3492 * gcc.c (default_compilers): Pass -f*leading-underscore on to
3493 cpp wherever appropriate.
3495 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
3497 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
3498 specific compiler switches.
3500 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
3502 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
3505 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3507 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
3508 structure which has exactly the members provided by EXTRA_SPECS.
3509 Xmalloc() the real `extra_specs', and initialize it from this
3510 intermediate structure.
3512 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
3514 * mips.h (EXTRA_SPECS): Likewise.
3516 * sparc.h (EXTRA_SPECS): Likewise.
3518 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3520 * function.c (purge_addressof_1): Instead of aborting when a
3521 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
3522 work just put the ADDRESSOF on stack. Otherwise remember all such
3523 successfull replacements, so that exactly the same replacements
3524 can be made on the REG_NOTEs. Remove the special case for CALL
3526 (purge_addressof_replacements): New variable.
3527 (purge_addressof): Clear it at end.
3529 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3531 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
3532 (lang_init): Call check_newline always.
3533 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
3534 cpp_start_read, set yy_cur and yy_lim to read from
3535 parse_in.token_buffer, so that we'll see the first #line
3537 * cpplib.c (cpp_start_read): finclude the main input file
3538 before processing -include/-imacros. Process -imacros and
3539 -include separately, and handle -include by stacking a
3540 buffer for the file in question as if it'd been #included.
3541 * toplev.c (documented_lang_options) Recognize -H when
3544 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3546 * cpplib.c: Merge do_once into do_pragma. Break file handling
3547 code out of do_include.
3548 Move append_include_chain, deps_output,
3549 file_cleanup, redundant_include_p, import_hash,
3550 lookup_import, add_import, read_filename_string, read_name_map,
3551 open_include_file, finclude, safe_read to cppfiles.c.
3552 Move prototypes for deps_output, append_include_chain,
3553 finclude to cpplib.h. Move definition of struct
3554 file_name_list there also.
3556 * cppfiles.c: New file. Contains all the above functions
3557 broken out of cpplib.c; also hack_vms_include_specification
3558 from cccp.c and find_include_file, a new function broken out of
3561 * Makefile.in (cppmain): Depend on cppfiles.o.
3562 (fix-header): Likewise.
3563 (cppfiles.o): New target.
3564 * configure.in (--enable-c-cpplib): Add cppfiles.o to
3565 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
3567 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
3569 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
3570 if pending_types is non-zero.
3571 (dwarfout_finish): Verify pending_types is zero before finishing.
3573 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
3575 * expr.c (convert_move): Use shifts to perform the move if a
3576 suitable extend pattern cannot be found. Code written by
3577 Richard Henderson <rth@cygnus.com>.
3579 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3581 * regclass.c (renumber, regno_allocated): New static variables, moved
3582 out of allocate_reg_info.
3583 (allocate_reg_info): Move these two variables outside the function.
3584 Move code to free memory into new function free_reg_info.
3585 (free_reg_info): New function, broken out of allocate_reg_info.
3586 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
3587 * rtl.h (allocate_reg_info): Don't declare.
3588 (free_reg_info): Declare.
3590 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
3592 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
3594 * toplev.c (compile_file): Temporarily revert last change.
3596 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3598 * c-typeck.c (convert_for_assignment): Parenthesize.
3600 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3602 * reload1.c (delete_output_reload): Avoid ambigous else.
3604 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
3606 * toplev.c (compile_file): Call allocate_reg_info to free register
3608 * rtl.h (allocate_reg_info): Declare.
3610 * PROJECTS: Remove entry for local spilling.
3612 * final.c (cleanup_subreg_operands): New function.
3613 (final_scan_insn): Use it.
3614 (alter_subreg): Clear the "used" field when we turn a SUBREG into
3616 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
3617 operands when reload has finished.
3618 * reload.h (cleanup_subreg_operands): Declare..
3619 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
3620 reload. Handled in reload itself.
3622 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3624 * reload1.c (verify_initial_offsets): New function.
3625 (reload): Call it after reload_as_needed. Also verify that the frame
3626 size stays constant during reload_as_needed.
3627 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
3629 * reload.h (struct insn_chain): Add need_operand_change element.
3630 * reload1.c (new_insn_chain): Clear it.
3631 (calculate_needs_all_insns): Set it; don't overload need_reload.
3632 (reload_as_needed): Use it.
3634 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
3635 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
3636 and reload_address_index_reg_class.
3637 (find_reloads_address_1): Likewise.
3638 * reload.h (reload_address_base_reg_class,
3639 reload_address_index_reg_class): Don't declare.
3640 * reload1.c (reg_old_renumber, pseudo_previous_regs,
3641 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
3642 (used_spill_regs): Now static.
3643 (reload_address_base_reg_class, reload_address_index_reg_class,
3644 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
3645 basic_block_needs, max_needs, group_size, group_mode, max_groups,
3646 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
3649 (init_reload): Delete code to compute base/index reg classes.
3650 (reload): Delete variable J.
3651 Delete code to manage basic_block_needs.
3652 Don't compute regs_explicitly_used.
3653 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
3654 pseudo_previous_regs.
3655 Initialize bad_spill_regs_global.
3656 Don't call order_regs_for_reload here.
3657 Don't initialize spill_reg_order and n_spills.
3658 Don't forbid explicitly used regs to be used for spill regs.
3659 Change main loop to infinite loop, with explicit break statements.
3660 Make SOMETHING_CHANGED variable local to that loop.
3661 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
3662 max_groups_insn, max_nongroups_insn, group_size, group_mode.
3663 Make sure spilled_speudos is cleared before calling spill_hard_reg or
3665 Don't call dump_needs.
3666 Delete code to reset potential_reload_regs.
3667 Delete code to terminate loop conditional on the global needs variables
3668 showing no further needs.
3669 (calculate_needs_all_insns): Return void. All callers changed.
3670 Initialize somehing_needs_elimination here, not in reload.
3671 Delete avoid_return_reg kludge.
3672 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
3673 All callers changed.
3674 Initialize the group_mode and group_size elements of the arg CHAIN.
3675 Delete code to manage basic_block_needs.
3676 Operate on elements of CHAIN instead of global variables.
3677 Delete avoid_return_reg kludge.
3678 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
3679 All callers changed.
3680 Operate on elements of CHAIN instead of global variables.
3681 Delete special SMALL_REGISTER_CLASSES code.
3682 Delete spill_failure code; now in new_spill_reg.
3683 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
3684 All callers changed.
3685 Operate on elements of CHAIN instead of global variables.
3686 (maybe_mark_pseudo_spilled): New static function.
3687 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
3688 All callers changed.
3689 Operate on elements of CHAIN instead of global variables.
3690 Call order_regs_for_reload here, not in reload.
3691 Initialize spill_reg_order and n_spills.
3692 Simplify test whether an asm insn is involved.
3693 Delete spill_failure code; now in new_spill_reg.
3694 Call maybe_mark_pseudo_spilled for everything marked as live in
3695 CHAIN. Merge CHAIN's used_spill_regs into the global variable
3697 (dump_needs): Take CHAIN arg. No longer static, to prevent the
3698 compiler from optimizing this function (now unused) away.
3699 Operate on elements of CHAIN instead of global variables.
3700 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
3702 Operate on elements of CHAIN instead of global variables.
3703 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
3704 take CHAIN arg. All callers changed.
3705 Operate on elements of CHAIN instead of global variables.
3706 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
3707 CHAIN, NONGROUP args. Return void. All callers changed.
3708 Verify caller isn't trying to spill a pseudo.
3709 Simplify test for illegal reg, just use bad_spill_regs.
3710 Generate better error messages.
3711 Operate on elements of CHAIN instead of global variables.
3712 Mark spilled register in CHAIN's used_spill_regs element.
3713 Don't call spill_hard_reg.
3714 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
3715 Mark spilled hard regs in bad_spill_regs_global.
3716 Mark affected pseudos in spilled_pseudos, but don't spill them.
3717 (ior_hard_reg_set): New static function.
3718 (finish_spills): Return int. All callers changed.
3719 Compute spill_reg_order, n_spills and spill_regs here. Also update
3720 regs_ever_live for regs used as spills.
3721 For every pseudo in spilled_pseudos, spill it and mark the previous
3722 hard reg it had in pseudo_previous_regs. Compute which hard regs
3723 arseudo): New static function.
3724 (order_regs_for_reload): Take CHAIN arg. All callers changed.
3725 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
3726 hard registers explicitly used across the current insn into the set.
3727 Compute hard_reg_n_uses taking only pseudos live across this insn
3729 Tweak sorting of potential_reload_regs.
3730 (compare_spill_regs): Delete function.
3731 (reload_as_needed): Don't sort the spill_regs array, it's computed
3732 in proper order in finish_spills.
3733 Delete avoid_return_reg kludge.
3734 Delete code to manage basic_block_needs.
3735 (allocate_reload_reg): Minor speed/readability tweaks.
3736 Operate on elements of CHAIN instead of global variables.
3737 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
3738 Delete avoid_return_reg kludge.
3739 Initialize reload_reg_used from CHAIN's used_spill_regs element.
3740 Delete unused label FAIL.
3741 (reload_combine): Replce reload_address_index_reg_class with
3743 Don't use used_spill_regs to determine information about lifetime of
3746 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
3748 * toplev.c (display_help): Ignore empty target specific
3749 options, and if -W is also specified on the command line then
3750 display undocumented options.
3752 * config/arm/arm.c: Updated with changes in devo sources.
3753 * config/arm/arm.h: Updated with changes in devo sources.
3754 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
3755 * config/arm/lib1thumb.asm: Add ELF support.
3757 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
3759 * collect2.c (aix64_flag): New variable.
3760 (main, case 'b'): Parse it.
3761 (GCC_CHECK_HDR): object magic number must match mode.
3762 (scan_prog_file): Only check for shared object if valid header.
3763 Print debugging if header/mode mismatch.
3765 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
3767 Added support for arm-elf-linux configuration, submitted by Philip
3768 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
3769 code developed by Catherine Moore <clm@cygnus.com>. The following
3772 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
3775 * configure: Regenerated.
3777 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
3778 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
3779 definitions conditional on their not having been already defined.
3781 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
3782 and .type directives, and add "(PLT)" qualification to function
3785 * config/arm/linux.h: Deleted. This file is now superceeded by
3786 either linux-elf.h or linux-aout.h.
3788 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
3789 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
3791 Move definitions from old linux.h file here.
3793 * config/arm/elf.h: New file. Generic ARM/ELF support.
3795 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
3797 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
3799 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
3800 using the 26bit APCS.
3802 * config/arm/unknown-elf.h: New file. Support for OS'es other
3803 than Linux with ELF.
3805 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
3808 * config/arm/coff.h: Include aout.h for basic assembler macros.
3809 Add support for -mstructure_size_boundary=<n> command line option.
3811 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
3812 command line option. Make macro definitions conditional on their
3813 not having been already defined.
3815 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
3816 command line option.
3819 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
3821 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
3822 has been changed to not include a newline. Use this macro instead.
3823 (output_enumeral_list, const_value_attribute, name_attribute,
3824 comp_dir_attribute, prototyped_attribute, producer_attribute,
3825 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
3826 dwarfout_file_scope_decl, generate_new_sfname_entry,
3827 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
3828 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
3830 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
3832 * combine.c (subst): Process the inputs to a parallel asm_operands
3835 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
3837 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
3839 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
3841 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
3843 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
3845 * version.c: Bump for snapshot.
3847 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
3849 * stmt.c (expand_fixup): Set fixup->before_jump to a
3850 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
3852 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3854 * Makefile.in (recog.o): Depend on toplev.h.
3855 (insn-emit.o): Depend on recog.h.
3856 (insn-peep.o): Depend on recog.h and insn-config.h.
3858 * combine.c (simplify_set): Remove unused variable `scratches'.
3860 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
3861 and `idx' in macro conditional controlling their use.
3863 * genemit.c (main): Make the generated output file include
3864 recog.h. Don't have it declare `insn_operand_constraint', since
3865 we get it from recog.h.
3867 * genpeep.c (main): Make the generated output file include
3868 insn-config.h and recog.h.
3870 * recog.c: Include toplev.h.
3871 (extract_insn): Remove unused variable `p'.
3873 * regclass.c (fix_register): Add missing braces around initializer
3875 (allocate_reg_info): Move variable `i' into the scope where it is
3876 used. Change its type to `size_t'.
3878 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3880 * reload.c (push_reload): When merging reloads, make sure
3881 that reload_in_reg and reload_in are from the same reload in
3884 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
3886 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
3887 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
3889 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
3891 * loop.c (loop_has_tablejump): New variable.
3892 (prescan_loop): Scan for it.
3893 (insert_bct): Replace explicit scan with use of it.
3894 * regclass.c (regclass): Restore loop variable j.
3895 (record_reg_classes): Deterine op_types modifiers and initialize
3896 classes[i] before matching constraints. Handle matching
3899 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
3901 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
3904 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3906 * mips.h (EXTRA_SPECS): Add missing initializers.
3908 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3910 * sparc.h (EXTRA_SPECS): Add missing initializers.
3911 (sparc_defer_case_vector): Provide a prototype.
3913 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
3914 comparing it to the result of a pointer subtraction.
3916 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3918 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
3919 the argument to (unsigned char).
3921 * alpha.h (EXTRA_SPECS): Add missing initializers.
3922 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
3925 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
3927 * flow.c (life_analysis_1): Enable "rescan" code after reload.
3928 (propagate_block): Delete dead code after reload.
3930 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
3931 back Oct 15, 1998 change.
3932 * haifa-sched.c (update_flow_info): Likewise.
3933 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
3935 * mn10200.md (truncated shift): Accept constant inputs too.
3937 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
3939 * machmode.h (mode_mask_array): No longer const.
3940 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
3942 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3944 * frame.c: Somewhat explain `FDE'.
3945 Suggested by Brendan Kehoe
3947 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
3949 * expr.c (pending_chain): Move up.
3950 (save_expr_status): Do save pending_chain.
3951 (restore_expr_status): And restore it.
3952 * function.h (struct function): Add pending_chain.
3954 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3956 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
3957 did not match the code.
3959 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3961 * regclass.c (regclass): Break out some code into new function
3962 scan_one_insn, and into regclass_init.
3963 (init_cost): New static variable, moved out of regclass.
3964 (regclass_init): Initialize it here, not in .
3965 (scan_one_insn): New static function, broken out of regclass.
3966 * recog.c (apply_change_group): Break out some code into new
3967 function insn_invalid_p.
3968 (insn_invalid_p): New static fn, broken out of apply_change_group.
3970 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
3972 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
3973 reg_reloaded_contents matches incremented pseudo.
3975 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
3977 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3979 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
3980 addressing modes with side effects. These are currently
3981 placeholders for the C4x target.
3983 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3985 * loop.c (express_from): Make sure that when generating a PLUS of
3986 a PLUS, any constant expression appears on the outermost PLUS.
3988 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
3990 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
3991 works if "$(srcdir)" != ".".
3993 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
3995 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
3996 existing SUBREG if we can, otherwise abort.
3998 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
4000 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
4001 `restrict' is applied to a non-pointer variable.
4003 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
4005 * invoke.texi: Document -flang-isoc9x.
4007 * Makefile.in (OBJS): Add splay-tree.o.
4008 (c-common.o): Depend on rtl.h.
4009 (splay-tree.o): List dependencies and provide build rule.
4011 * rtl.h (record_alias_subset): New function.
4012 * alias.c: Include splay-tree.h.
4013 (alias_set_entry): New type.
4014 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
4015 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
4016 (mems_in_disjoin_alias_sets_p): New function.
4017 (alias_set_compare): Likewise.
4018 (insert_subset_children): Likewise.
4019 (get_alias_set_entry): Likewise.
4021 * tree.h (TYPE_RESTRICT): New macro.
4022 (TYPE_UNQUALIFIED): New manifest constant.
4023 (TYPE_QUAL_CONST): Likewise
4024 (TYPE_QUAL_VOLATILE): Likewise.
4025 (TYPE_QUAL_RESTRICT): Likewise.
4026 (tree_type): Add restrict_flag. Reduce count of free bits.
4027 (DECL_POINTER_ALIAS_SET): New macro.
4028 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
4029 (tree_decl): Add pointer_alias_set.
4030 (build_qualified_type): New function.
4031 (build_type_variant): Define in terms of build_qualified_type.
4032 * tree.c (set_type_quals): New function.
4033 (make_node): Initializae DECL_POINTER_ALIAS_SET.
4034 (build_type_attribute_variant): Use build_qualified_type and
4036 (build_type_variant): Rename, and modify, to become...
4037 (build_qualified_type): New function.
4038 (build_complex_type): Use set_type_quals.
4040 * c-tree.h (C_TYPE_OBJECT_P): New macro.
4041 (C_TYPE_FUNCTION_P): Likewise.
4042 (C_TYPE_INCOMPLETE_P): Likewise.
4043 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
4044 (c_apply_type_quals_to_decl): New function.
4045 (c_build_qualified_type): New function.
4046 (c_build_type_variant): Define in terms of c_build_qualified_type.
4047 (flag_isoc9x): Declare.
4048 * c-typeck.c (qualify_type): Use c_build_qualified_type.
4049 (common_type): Change to use TYPE_QUALS.
4050 (comptypes): Likewise.
4051 (convert_for_assignment): Likewise.
4052 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
4053 * c-decl.c (flag_isoc9x): Define.
4054 (c_decode_option): Handle -flang-isoc9x.
4055 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
4056 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
4057 * c-lex.c (init_lex): Deal with restrict.
4058 (init_lex): Don't treat restrict as a reserved word in
4059 -traditional mode, or without -flang-isoc9x.
4060 * c-lex.h (rid): Add RID_RESTRICT.
4061 * c-parse.gperf (restrict, __restrict, __restrict__): Make
4062 equivalent to RID_RESTRICT.
4063 * c-parse.in (TYPE_QUAL): Update comment.
4064 * c-common.c: Include rtl.h.
4065 (c_find_base_decl): New function.
4066 (c_build_type_variant): Rename, and modify, to become ...
4067 (c_build_qualified_type): New function.
4068 (c_apply_type_quals_to_decl): Likewise.
4069 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
4070 a particular alias set for the reference.
4071 * toplev.c (documented_lang_options): Add -flang-isoc9x.
4073 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
4075 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
4076 command line switches.
4078 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
4080 * reload.c (loc_mentioned_in_p): Add missing braces to bind
4083 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
4085 * gcc.c (option_map): Added --classpath and --CLASSPATH.
4087 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
4089 * regclass.c (fix_register): Add error message.
4090 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
4093 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4095 * c-decl.c (warn_missing_noreturn): New global variable.
4096 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
4097 (finish_function): Implement missing noreturn warning.
4099 * c-tree.h (warn_missing_noreturn): Declare extern.
4101 * invoke.texi: Document new flags.
4103 * toplev.c (documented_lang_options): Add description.
4105 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4107 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
4108 loop optimization stable for the C4x.
4109 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
4110 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
4111 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
4113 (c4x_address_conflict): Be more paranoid when packing a volatile
4114 memref in a parallel load/store.
4116 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4118 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
4119 repeat_block_filler): Deleted.
4120 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
4121 Condition code not set if destination register from 'c' class.
4122 (*subbqi3_carry_clobber): Fix typo.
4124 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4126 * reorg.c (steal_delay_list_from_target) Check for insns that
4127 modify the condition codes and effect the direction of the jump
4130 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
4132 * function.c (purge_addressof_1): Replace call to
4133 emit_insns_before() with emit_insn_before().
4135 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
4137 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
4139 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4141 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
4143 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
4145 * gcse.c (compute_hash_table): Correctly identify hard regs which are
4146 clobbered across calls.
4148 * loop.c (scan_loop): Be more selective about what invariants are
4149 moved out of a loop.
4151 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
4153 * version.c: Bump for snapshot.
4155 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
4157 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
4158 static eh_context structure.
4160 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4162 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
4164 (try_combine): Don't update max_scratch.
4165 * flow.c (max_scratch, num_scratch): Delete variables.
4166 (life_analysis_1): Don't initialize max_scratch.
4167 (propagate_block): Don't update max_scratch.
4168 (mark_set_1): Don't increment num_scratch.
4169 * regs.h (max_scratch): Delete declaration.
4171 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
4173 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
4174 is nonzero. This is temporary!
4176 * sched.c (update_flow_info): Handle death notes made invalid by
4177 instruction splitting. Partially reverts Oct 15, 1998 patch.
4178 * haifa-sched.c (update_flow_info): Likewise.
4180 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
4182 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
4183 if it has a nonzero DECL_INITIAL.
4185 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4187 * Makefile.in (flow.o): Depend on recog.h.
4189 * cpplib.h (directive_table): Add missing initializiers.
4190 (finclude): Change type of variable `bsize' to size_t.
4192 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
4194 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
4196 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
4197 `int' when comparing against one.
4198 (cpp_file_line_for_message): Mark parameter `pfile' with
4200 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
4202 * flow.c: Include recog.h.
4203 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
4205 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
4206 `f' with ATTRIBUTE_UNUSED.
4207 (reposition_prologue_and_epilogue_notes): Likewise.
4209 * genopinit.c (gen_insn): Cast argument of ctype functions to
4212 * haifa-sched.c: Include recog.h.
4213 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
4214 comparing against one.
4216 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
4218 * mips-tfile.c (parse_end): Cast the argument of ctype function to
4220 (parse_ent): Likewise.
4221 (parse_input): Likewise.
4223 * optabs.c (init_libfuncs): Likewise.
4225 * protoize.c (find_rightmost_formals_list): Likewise.
4227 * recog.h (const_double_operand): Fix typo in prototype.
4229 * tlink.c (scan_linker_output): Cast the argument of ctype
4230 function to `unsigned char'.
4232 * toplev.c (check_lang_option): Cast the result of `strlen' to
4233 `int' when comparing against one.
4235 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
4237 * gcse.c (dump_cuid_table): Correct typo.
4239 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
4241 * toplev.c (display_help): Prepend '-m' to target specific
4243 (check_lang_option): Ignore text after end of first word of a
4244 language specific option.
4246 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4248 * reload1.c (reg_used_by_pseudo): New static variable.
4249 (choose_reload_regs): Initialize it.
4250 Use it instead of testing spill_reg_order to determine whether a
4251 pseudo is live in a hard register across the current insn.
4252 Fix a typo in a reference to reload_reg_rtx.
4254 * flow.c (propagate_block): Replace code that computes and uses
4255 regs_sometimes_live with simpler code that just walks the set of
4256 currently live registers.
4258 * Makefile.in (insn-extract.o): Fix dependencies.
4259 * genextract.c (main): Generate includes for insn-config.h and
4261 Delete generation of declarations which are now in recog.h.
4262 * genrecog.c (main): Delete generation of definitions which are
4264 * local-alloc.c (block_alloc): Use extract_insn and the variables
4265 it sets up instead of looking up values by insn_code.
4266 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
4267 recog_dup_num): Define here instead of generating the definition in
4269 (recog_n_operands, recog_n_dups, recog_n_alternatives,
4270 recog_operand_mode, recog_constraints, recog_operand_address_p):
4272 (extract_insn): New function.
4273 * recog.h (extract_insn): Declare function.
4274 (which_alternative, recog_n_operands, recog_n_dups,
4275 recog_n_alternatives, recog_operand_mode, recog_constraints,
4276 recog_operand_address_p): Declare variables.
4277 * regclass.c (n_occurrences): New static function.
4278 * reload.c (n_occurrences): Delete function.
4279 (find_reloads): Use extract_insn.
4280 * reload.h (n_occurrences): Delete declaration.
4282 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
4284 * reload1.c (reload_as_needed): Fix test for when to call
4285 update_eliminable_offsets.
4287 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4289 Fix consistency problems with reg_equiv_{mem,address};
4290 Improve reload inheritance;
4292 * reload.c (reload_out_reg): New variable.
4293 (loc_mentioned_in_p, remove_address_replacements): New functions.
4294 (remove_replacements): Deleted.
4295 (push_reload): Set reload_out_reg[i].
4296 When merging, also set reload_{in,out}_reg[i], and remove
4297 duplicate address reloads.
4298 (combine_reloads): Copy reload_out_reg[i].
4299 (find_reloads): Do make_memloc substitution also when
4300 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
4302 Include *recog_operand_loc in commutativity operand changes.
4303 Generate optional output reloads.
4304 Delete reference to n_memlocs. Don't set *recog_operand_loc before
4305 processing operands. Call make_memloc in reg_equiv_address code.
4306 Set *recog_operand_loc only after processing operands, and only
4307 if replace is true. Return a value.
4308 When changing address reload types for operands that didn't get
4309 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
4310 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
4311 Don't emit USEs for pseudo SUBREGs when not replacing.
4312 (find_reloads_address): Do make_memloc substitution also when
4313 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
4315 (find_reloads_toplev): Likewise.
4316 Call make_memloc in reg_equiv_address code.
4317 (debug_reload_to_stream): Add code to output reload_out_reg.
4318 (make_memloc): Delete local variable i, ifdefed out code, and
4319 references to memlocs and n_memlocs.
4320 (memlocs, n_memlocs): Delete.
4321 (push_secondary_reload): Clear reload_out_reg.
4322 (find_reloads_address_1): Provide memrefloc argument to all calls
4323 to find_reloads_address.
4324 In AUTO_INC code, handle non-directly addressable equivalences properly.
4325 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
4326 (find_reloads): Add return type.
4327 (remove_address_replacements, deallocate_reload_reg): Declare.
4328 * reload1.c (num_not_at_initial_offset): No longer static.
4329 (delete_address_reloads, delete_address_reloads_1): Likewise.
4330 (deallocate_reload_reg): New function.
4331 (spill_reg_stored_to): New array.
4332 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
4333 (eliminate_regs_in_insn): Move assignments of previous_offset and
4334 max_offset fields, and recalculation of num_not_at_initial_offset
4335 into new static function:
4336 (update_eliminable_offsets) .
4337 (reload_as_needed): Call update_eliminable_offsetss after calling
4339 Call forget_old_reloads_1 with contents of reloaded auto_inc
4340 expressions if the actual addressing can't be changed to match the
4342 (choose_reload_regs): For inheritance, replace
4343 reload_reg_free_before_p test with reload_reg_used_at_all test, and
4344 remove stand-alone reload_reg_used_at_all test.
4345 Use reload_out_reg to determine which reload regs have output reloads.
4346 Treat reload_override_in more similar to inherited reloads.
4347 Handle (subreg (reg... for inheritance.
4348 For flag_expensive_optimizations, add an extra pass to remove
4349 unnecessary reloads from known working inheritance.
4350 Delete obsolete code for pseudos replaced with MEMs.
4351 Handle inheritance from auto_inc expressions.
4352 (emit_reload_insns): If reload_in is a MEM, set OLD to
4354 Don't reload directly from oldequiv; if it's a pseudo with a
4355 stack slot, use reload_in[j].
4356 Check that reload_in_reg[j] is a MEM before replacing reload_in
4357 from reg_reloaded_contents.
4358 Include non-spill registers in reload inheritance processing.
4359 Also try to use reload_out_reg to set spill_reg_store /
4360 reg_last_reload_reg.
4361 In code to set new_spill_reg_store, use single_set to find out if
4362 there is a single set.
4363 Add code that allows to delete optional output reloads.
4364 Add code to allow deletion of output reloads that use no spill reg.
4365 At the end, set reload_override_in to oldequiv.
4366 Also call delete_output_reload if reload_out_reg is equal to old
4368 Add code to call delete_output_reload for stores with no matching load.
4369 Set / use spill_reg_stored_to.
4370 Handle case where secondary output reload uses a temporary, but
4371 actual store isn't found.
4372 When looking for a store of a value not loaded in order to call
4373 delete_output_reload, count_occurences should return 0 for no
4374 loads; but discount inherited input reloadill_reg_stored_to.
4375 Do checks for extra uses of REG. Changed all
4377 Use delete_address_reloads.
4378 (reload): Take return value of find_reloads into account.
4379 If a no-op set needs more than one reload, delete it.
4380 (reload_reg_free_before_p): RELOAD_FOR_INPUT
4381 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
4382 for the same operand.
4383 (clear_reload_reg_in_use): Check for other reloads that keep a
4385 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
4386 RELOAD_FOR_OPADDR_ADDR.
4387 Take into account when an address address reload is only needed
4388 for the address reload we are considering.
4389 (count_occurrences): Use rtx_equal_p for MEMs.
4390 (inc_for_reload): Return instruction that stores into RELOADREG.
4391 New argument two, IN, and rtx. Changed all callers.
4392 (calculate_needs_all_insns, reload_as_needed):
4393 Don't clear after_call for a CLOBBER.
4394 Keep track of how many hard registers need to be copied from
4395 after_call, and don't clear after_call before we have seen
4396 that much copies, or we see a different instruction.
4398 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
4400 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
4401 after reload has completed.
4403 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
4405 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
4406 a macro name and the next token with a single blank if that whitespace
4407 is in a macro buffer and the next token is not '('.
4409 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
4411 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
4413 (skip_if_group): Ditto.
4414 (skip_to_end_of_comment): Ditto.
4416 (discard_comments): Ditto.
4417 (change_newlines): Ditto.
4419 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
4421 * c-lex.c (yylex): Fix unaligned access of wchar_t.
4423 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
4425 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
4426 (TARGET_OPTIONS): Add --help documentation.
4428 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4430 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
4432 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
4434 * fixinc/* Moved in from ../contrib directory in preparation
4435 for integrating it into the normal build process. In particular,
4436 fixinc/Makefile.in must be config-ed into the build directory
4437 as fixinc/Makefile. Proposed patches to ./Makefile.in and
4438 ./configure.in will be "in the mail" momentarily.
4440 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
4442 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
4443 accidently walk into the free list. Comment how that can happen.
4444 (invalidate): Fix indentation.
4446 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4447 Jeffrey A Law (law@cygnus.com)
4449 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
4450 reload. Never perform rescans of the insn chain after reload.
4451 (propagate_block): Do not delete insn or create new autoinc addressing
4454 * jump.c (jump_optimize): Unconditionally use the code that was
4455 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
4456 * reload1.c (reload): When reloading is finished, delete all
4457 REG_DEAD and REG_UNUSED notes.
4458 (emit_reload_insns): Delete all code that was conditional on
4459 PRESERVE_DEATH_INFO_REGNO_P.
4460 (no_longer_dead_regs): Delete variable.
4461 (reload_cse_delete_death_notes): Delete function.
4462 (reload_cse_no_longer_dead): Delete function.
4463 (reload_cse_regs_1): Delete all code to handle deletion of death
4465 (reload_cse_noop_set_p): Likewise.
4466 (reload_cse_simplify_set): Likewise.
4467 (reload_cse_simplify_operands): Likewise.
4468 (reload_cse_move2add): Likewise.
4469 * reorg.c (used_spill_regs): Delete declaration.
4470 (max_label_num_after_reload): Delete declaration.
4471 (find_dead_or_set_registers): Don't assume that spill regs are
4472 dead at a CODE_LABEL.
4473 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
4475 * sched.c (sched_analyze_insn): Likewise.
4476 (update_flow_info): Likewise.
4477 * haifa-sched.c (sched_analyze_insn): Likewise.
4478 (update_flow_info): Likewise.
4479 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
4480 * toplev.c (max_label_num_after_reload): Delete variable.
4481 (rest_of_compilation): Don't set max_label_num_after_reload.
4482 Call life_analysis after reload_cse_regs if optimizing.
4483 * config/gmicro/gmicro.h: Delete comment referring to
4484 PRESERVE_DEATH_INFO_REGNO_P.
4485 * config/i386/i386.h: Likewise.
4486 * config/m88k/m88k.h: Likewise.
4487 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
4488 * config/sh/sh.h: Likewise.
4490 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
4492 * loop.c (strength_reduce): Restore marking bct_p as
4494 * rs6000.c (optimization_options): Change #ifdef HAIFA to
4495 HAVE_decrement_and_branch_on_count.
4496 (small_data_operand): Remove TARGET_ELF condition for marking
4497 parameters ATTRIBUTE_UNUSED.
4499 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
4501 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
4502 (SELECT_SECTION): Resync with svr4.h.
4504 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
4506 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
4509 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
4511 * c-pragma.c (handle_pragma_token): Test for null tree before
4512 dereferencing TREE_CODE.
4514 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4516 * config/c4x/c4x.c: Convert to use GEN_INT.
4517 (c4x_parallel_process): Rework to handle new repeat loop structure.
4519 * config/c4x/c4x.md: Convert to use GEN_INT.
4520 (rptb_end): Convert to use GE test. Replace uses with clobbers.
4521 (decrement_and_branch_on_count): Likewise.
4523 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
4524 loop.c has the desired functionality.
4525 (rc_reg_operand): New prototype.
4527 * config/c4x/t-c4x: Can now build all front ends.
4529 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
4531 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
4533 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
4535 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
4536 * config/t-rtems: Do not install assert.h -- use newlib's.
4538 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4540 * combine.c (combine_instructions): When finished, call init_recog.
4541 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
4543 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
4545 * toplev.c: If flag_syntax_only, don't open or write assembler file.
4547 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4549 * cppalloc.c (memory_full): Mark function prototype with
4552 * demangle.h (collect_exit): Likewise.
4554 * fix-header.c (v_fatal, fatal): Likewise.
4556 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
4559 * gcov.c (print_usage): Likewise.
4561 * genattr.c (fatal, fancy_abort): Likewise.
4563 * genattrtab.c (fatal, fancy_abort): Likewise.
4565 * gencodes.c (fatal, fancy_abort): Likewise.
4567 * genconfig.c (fatal, fancy_abort): Likewise.
4569 * genemit.c (fatal, fancy_abort): Likewise.
4571 * genextract.c (fatal, fancy_abort): Likewise.
4573 * genflags.c (fatal, fancy_abort): Likewise.
4575 * genopinit.c (fatal, fancy_abort): Likewise.
4577 * genoutput.c (fatal, fancy_abort): Likewise.
4579 * genpeep.c (fatal, fancy_abort): Likewise.
4581 * genrecog.c (fatal, fancy_abort): Likewise.
4583 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
4584 __sjpopnthrow, __throw): Likewise.
4586 * objc/objc-act.c (objc_fatal): Likewise.
4588 * protoize.c (usage, aux_info_corrupted,
4589 declare_source_confusing): Likewise.
4591 * rtl.c (dump_and_abort): Likewise.
4593 * rtl.h (sets_cc0_p): Likewise.
4595 * toplev.c (float_signal, pipe_closed): Likewise.
4597 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4599 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
4600 when generating the decision tree for the general case.
4602 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
4603 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
4605 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4607 * Makefile.in (sched.o): Depend on recog.h.
4609 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
4610 (unsigned) when comparing against one.
4611 (find_base_value): Likewise.
4612 (record_base_value): Cast variable `regno' to (unsigned) when
4613 comparing against one. Cast the result of REGNO() macro to
4614 (unsigned) when comparing against one.
4615 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
4617 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
4618 variable where an unsigned index is needed.
4620 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
4621 before comparing against one.
4623 * collect2.c: Add prototypes for functions `error', `fatal' and
4624 `fatal_perror'. Make these functions take variable arguments
4625 instead of faking it with a fixed number of args.
4626 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
4629 * combine.c (can_combine_p): Mark parameter `pred' with
4631 (find_split_point): Cast variable `src' to (unsigned
4632 HOST_WIDE_INT) when comparing against one.
4633 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
4634 (simplify_logical): Likewise.
4635 (force_to_mode): Cast result of INTVAL() macro to (unsigned
4636 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
4637 HOST_WIDE_INT) in shift.
4638 (simplify_and_const_int): Cast result of INTVAL() macro to
4639 `unsigned HOST_WIDE_INT' when comparing against one.
4640 (merge_outer_ops): Cast variable const0 to `unsigned
4641 HOST_WIDE_INT' when comparing against the result of
4642 GET_MODE_MASK() macro.
4643 (simplify_comparison): Likewise for variable `c0'. Cast variable
4644 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
4645 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
4646 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
4647 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
4648 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
4649 comparing against one.
4650 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
4652 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
4653 macro to `unsigned HOST_WIDE_INT' when comparing against one.
4654 (output_block_move): Cast `sizeof' expression to (int) when
4655 comparing against one.
4656 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
4658 (save_restore_insns): Cast `base_offset' to `long' to match format
4659 specifier in fprintf.
4661 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
4662 to `enum machine_mode'.
4664 * flow.c (life_analysis_1): Remove unused variable `insn'.
4666 * gcc.c (translate_options): Move variables `j' and `k' into the
4667 scope in which they are used. Change their types to `size_t'.
4668 (set_spec): Cast the argument of ctype macro to `unsigned char'.
4669 (read_specs): Likewise.
4670 (process_command): Cast `sizeof' to (int) when comparing against one.
4671 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
4672 (handle_braces): Cast both sides of `==' expression to `long' to
4673 ensure sign matching.
4674 (main): Cast variable `i' to `int' when comparing against one.
4676 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
4677 int to size_t. Cast variable `i' to size_t when comparing against
4680 * genattrtab.c (convert_set_attr_alternative): Remove unused
4681 parameter `insn_code'. All callers changed.
4682 (convert_set_attr): Likewise.
4684 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
4685 size_t when comparing against one. Likewise for variable `len'.
4687 * global.c (global_alloc): Cast variable `max_regno' to size_t
4688 when comparing against one. Likewise for variable `max_allocno'.
4690 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
4692 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
4693 `set' with ATTRIBUTE_UNUSED.
4694 (find_free_reg): Cast `sizeof' expression to (int) when comparing
4697 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
4698 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
4699 (get_condition): Cast variable `const_val' to `unsigned
4700 HOST_WIDE_INT' when comparing against one. Cast unsigned
4701 expression to HOST_WIDE_INT when comparing against one.
4702 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
4703 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
4704 `unsigned' when comparing against one.
4706 * protoize.c (is_id_char): Change type of parameter `ch' to
4708 (munge_compile_params): Cast argument of ctype macro to (const
4710 (process_aux_info_file): Cast variable `aux_info_size' to int when
4711 comparing against one.
4712 (forward_to_next_token_char): Cast argument of ctype macro to
4713 `const unsigned char'.
4714 (edit_formals_lists): Likewise.
4715 (find_rightmost_formals_list): Likewise.
4716 (add_local_decl): Likewise.
4717 (add_global_decls): Likewise.
4718 (edit_fn_definition): Likewise.
4719 (do_cleaning): Likewise.
4720 (scan_for_missed_items): Likewise.
4721 (edit_file): Cast variable `orig_size' to (int) when comparing
4723 (main): Cast argument of ctype macro to `const unsigned char'.
4725 * recog.c (const_int_operand): Mark parameter `mode' with
4728 * regclass.c (record_reg_classes): Change type of variable `c' to
4729 `unsigned char'. Cast `char' array index to `unsigned char'.
4731 * reload.c (push_secondary_reload): Cast argument to
4732 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
4734 * reload1.c (calculate_needs): Cast `char' array index to
4736 (set_label_offsets): Change type of variable `i' to unsigned int.
4737 Cast result of XVECLEN() macro to unsigned when comparing against
4739 (mark_not_eliminable): Change type of variable `i' to unsigned.
4740 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
4741 when comparing against one.
4742 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
4743 comparing against one.
4744 (choose_reload_regs): Hide unused label `fail'.
4745 (reload_cse_simplify_operands): Cast `char' array index to
4747 (reload_combine_note_store): Mark parameter `set' with
4748 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
4750 (reload_cse_move2add): Remove unused variable `src2'.
4752 * sched.c: Include recog.h.
4753 (sched_note_set): Remove unused parameter `b'. All callers
4755 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
4756 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
4757 when comparing against one.
4759 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
4760 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
4761 comparing against one.
4763 * unroll.c (precondition_loop_p): Remove unused parameter
4764 `loop_end'. All callers changed.
4766 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4768 * reload1.c (maybe_fix_stack_asms): New static function.
4771 * reload.h (compute_use_by_pseudos): Declare.
4773 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
4774 (something_needs_reloads): Delete variable.
4775 (finish_spills): New function.
4776 (compute_use_by_pseudos): New function.
4778 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
4779 Use the reload_insn_chain instead of walking the rtl directly.
4781 (reload): Allocate and free spilled_pseudos.
4782 Ensure that all calls of spill_hard_reg are followed by a call to
4784 Use the insns_need_reload list instead of something_needs_reloads
4785 to find out if reload_as_needed must be called.
4786 Clear unused_insn_chains at the end.
4788 (calculate_needs_all_insns): Lose FIRST parameter. All callers
4790 Delete code to keep track of current basic block.
4791 Walk reload_insn_chain instead of the rtl structure. Build the
4792 insns_need_reload chain.
4793 Remember which insns need reloading/elimination by setting the
4794 appropriate fields in struct insn_chain, not by putting modes on the
4797 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
4798 arg INSN. All callers changed.
4799 Delete declaration of struct needs.
4800 Don't set something_needs_reloads.
4801 Record insn needs in the CHAIN argument.
4803 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
4805 (reload_as_needed): Lose FIRST arg. All callers changed.
4806 Walk the reload_insn_chain instead of the rtx structure.
4807 Delete code to keep track of current basic block.
4808 Rename one of the NEXT variables to OLD_NEXT.
4810 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
4812 (choose_reload_regs): Likewise.
4814 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
4817 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
4818 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
4819 (hard_regs_live, hard_regs_need_restore): Delete variables.
4820 (n_regs_saved): Now static.
4821 (referenced_regs, this_insn_sets): New variables.
4823 (setup_save_areas): Restructure the code a bit.
4825 (restore_referenced_regs): Delete function.
4826 (mark_referenced_regs): New function, similar to the old
4827 restore_referenced_regs, but mark registers in referenced_regs.
4829 (clear_reg_live): Delete function.
4830 (mark_set_regs): Renamed from set_reg_live. All callers changed.
4831 Only mark registers in this_insn_sets.
4833 (save_call_clobbered_regs): Rework this function to walk the
4834 reload_insn_chain instead of using the list of instructions directly.
4835 Delete code to keep track of register lives, compute live regs on the
4836 fly from information in the chain.
4837 Instead of calling restore_referenced_regs, use mark_referenced_regs,
4838 then walk the set it computes and call insert_restore as appropriate.
4840 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
4842 Restructure the code a bit. Test hard_regs_saved instead of
4843 hard_regs_need_restore.
4844 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
4845 args. All callers changed.
4846 Restructure the code a bit. Use TO_SAVE to determine which regs to
4847 save instead of more complicated test.
4848 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
4850 Create a new insn_chain structure for the new insn and place it
4853 * rtl.texi: Update documentation to reflect that reload no longer
4854 puts modes on the insns.
4856 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4858 * function.c (purge_addressof_1): Force the first argument of a
4859 CALL insn to memory.
4861 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
4863 * rtl.h: Delete duplicate prototypes. Add some missing
4865 * rtlanal.c: (for_each_rtx): Formatting tweak.
4867 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4869 * real.c (emdnorm and etoasc): Disable round to even for c4x target
4870 to be compatible with TI compiler.
4872 * Makefile.in (USER_H): Add va-c4x.h to definition.
4874 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
4876 * function.c (purge_addressof_1): Fix typo in inequality: do
4877 bitfield optimization for equal mode sizes.
4878 * expmed.c (store_bit_field): Don't take subregs of subregs in
4879 the movstrict case. Tidy a potential problem in the multi-word case.
4880 (extract_bit_field): Likewise.
4882 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4884 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
4886 Compute max_uid_for_flow by calling get_max_uid after the scan.
4887 (find_basic_blocks_1): Don't emit NOPs here.
4889 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
4891 * alias.c (base_alias_check): Accept new args for the modes of the
4892 two references. Use them to determine if an AND can overlap. Update
4894 (memrefs_conflict_p): Assume sizes are aligned, and uses them
4895 to determine if an AND can overlap.
4897 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
4899 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
4900 check. Add comment to document problems with TARGET_SUN_FPA version
4902 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
4904 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4906 * Makefile.in (gencheck.o): Depend on gansidecl.h.
4908 * c-common.c (print_char_table): Add missing initializers.
4909 (scan_char_table): Likewise.
4910 (time_char_table): Likewise.
4912 * c-decl.c (c_decode_option): Mark parameter `argc' with
4914 (declare_parm_level): Mark parameter `definition_flag' with
4917 * c-lex.c (readescape): Use `(unsigned)1' in shift.
4918 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
4921 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
4923 (emit_call_1): Mark parameters `fndecl' and `funtype' with
4925 (expand_call): Cast result of MIN() to (unsigned int) when
4926 comparing against an unsigned value.
4928 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
4930 (make_definition): Remove unused parameter `op'. All callers
4932 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
4933 comparing against the result of pointer arithmetic.
4935 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
4936 when comparing against one.
4938 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
4939 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
4941 (output_die): Move variable `i' into the scope in which it is
4942 used. Change its type to `unsigned'.
4943 (output_die): Cast the result of `strlen' to (int) when passing it
4944 to ASM_OUTPUT_ASCII().
4945 (output_pubnames): Likewise.
4946 (output_line_info): Likewise.
4948 * emit-rtl.c (global_rtl): Add missing initializers.
4950 * explow.c (promote_mode): Mark parameter `for_call' with
4953 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
4954 `unsigned HOST_WIDE_INT' when comparing against one.
4955 (synth_mult): Change type of variable `cost' to int.
4956 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
4958 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
4959 when comparing against one.
4960 (get_inner_reference): Change variable `alignment' to unsigned.
4961 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
4962 int) when comparing against one.
4963 (expand_builtin_setjmp): Change type of variable `i' to size_t.
4965 * fold-const.c (div_and_round_double): Cast BASE to
4966 (HOST_WIDE_INT) when comparing against one.
4968 * gencheck.c: Include gansidecl.h.
4969 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
4971 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
4972 `tcode' with ATTRIBUTE_UNUSED.
4974 * real.c (edivm): Cast constant value to (unsigned long) in
4975 expression compared against an unsigned value.
4977 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
4978 comparing against one.
4979 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
4980 when comparing against one.
4982 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
4983 (unsigned int) when comparing against one. Likewise for
4985 (smallest_mode_for_size): Likewise.
4986 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
4987 (restore_storage_status): Likewise.
4989 * toplev.c (debug_args): Add missing initializer.
4990 (f_options): Spelling correction. Add missing initializers.
4991 (documented_lang_options): Likewise.
4992 (debug_end_source_file): Mark parameter `lineno' with
4995 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
4996 `decl' and `type' with ATTRIBUTE_UNUSED.
4998 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
4999 when comparing against one.
5000 (assemble_variable): Mark parameter `top_level' with
5002 (assemble_external_libcall): Mark parameter `fun' with
5004 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
5007 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
5009 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
5010 Replace use of r5 with use of r19.
5012 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
5014 * config/v850/v850.c (compute_register_save_size): Allow for the
5015 fact that helper functions save all registers, not just those used
5018 Replace constant 31 with macro LINK_POINTER_REGNUM.
5020 * config/v850/v850.md: Use 'indirect_operand' rather than
5021 'memory_operand' for bit test/set/clear patterns.
5023 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
5025 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
5026 * varasm.c (assemble_start_function et al): Don't call
5027 ASM_GLOBALIZE_LABEL for weak symbols.
5029 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
5031 * cse.c (equiv_constant): Check for NULL return from
5032 gen_lowpart_if_possible().
5034 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
5036 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
5038 * collect2.c (main): Pass -EL/-EB through to the compiler.
5040 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5042 * expr.c (push_block): Handle targets where the stack grows
5043 to higher addresses, but args grow to lower addresses and
5044 ACCUMULATE_OUTGOING_ARGS is not defined.
5046 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
5048 * config/v850/v850.c (print_operand): Extend meaning
5049 of 'c' operands to support .vtinherit.
5051 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5053 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
5054 Added ATTRIBUTE_UNUSED to unused function arguments.
5055 (rc_reg_operand): New predicate.
5056 (c4x_rptb_insert): New function.
5057 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
5058 (c4x_optimization_options): New function.
5060 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
5061 (decrement_and_branch_on_count): New pattern.
5062 (rptb_top): Modified pattern to work with BCT optimization.
5064 * config/c4x/c4x.h (RC_REG): New register class.
5065 (rc_reg_operand): Define prototype.
5066 (IS_RC_REG): New macro.
5067 (IS_RC_OR_PSEUDO_REG): New macro.
5068 (IS_RC_OR_PSEUDO_REGNO): New macro.
5069 (OPTIMIZATION_OPTIONS): Define.
5071 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
5073 * collect2.c (extract_init_priority): No priority is 65535.
5075 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5077 * Makefile.in (build_tooldir): new variable, same as old
5078 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
5079 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
5080 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
5082 * configure.in (gxx_include_dir): set default based on unlibsubdir
5083 * Makefile.in (tooldir): ditto
5084 (cccp.o, cpplib.o): use unlibsubdir implicitly through
5085 gxx_include_dir, includedir and tooldir
5086 (protoize.o, unprotoize.o): ditto
5088 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
5090 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
5092 * config/arm/thumb.c (thumb_override_options): Add warning about
5093 PIC code not being supported just yet.
5095 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
5097 * flow.c: Update comment.
5098 (notice_stack_pointer_modification): New static function.
5099 (record_volatile_insns): Use it.
5100 (mark_regs_live_at_end): Mark the stack pointer as alive
5101 at the end of the function if current_function_sp_is_unchanging
5103 (life_analysis_1): Set current_function_sp_is_unchanging.
5104 * function.c: Define it.
5105 (init_function_start): Initialize it.
5106 * output.h: Declare it.
5107 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
5108 the stack pointer as alive at the end of the function if
5109 current_function_sp_is_unchanging is set.
5110 * i386.c (ix86_epilogue): Optimize the restoring
5111 of the stack pointer.
5113 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
5115 * version.c: Bump for snapshot.
5117 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
5119 * c-pragma.c (handle_pragma_token): If passed a token instead
5120 of a tree, use that as the pack value.
5122 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
5124 * flow.c (find_basic_blocks_1): Fix prototype.
5126 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
5128 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
5129 (struct tree_decl): New fields no_check_memory_usage.
5130 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
5131 (init_attributes): Register it as a new attribute.
5132 (decl_attributes): Set flags on functions given that attribute.
5133 * c-decl.c (duplicate_decls): Merge new attribute.
5134 * expr.h (current_function_check_memory_usage): Declare new var.
5135 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
5136 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
5137 current_function_check_memory_usage.
5138 * function.h: Add field to struct function.
5139 * function.c (current_function_check_memory_usage): Define it.
5140 (push_function_context_to, pop_function_context_from): Save and
5142 (expand_function_start): Set it, based on global flag and function
5145 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
5146 check non-automatic variables, to permit detection of writes to
5147 read-only locations in embedded systems without memory management.
5148 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
5149 when emitting chkr_set_right_libfunc call, even if the argument is
5150 BLKmode or variable-sized; don't abort.
5152 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
5153 symbols in Pmode, not VOIDmode.
5155 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5157 * cppexp.c: When forcing unsigned comparisons, cast both sides
5160 * cpphash.h: Move static declaration of hashtab[]...
5161 * cpphash.c: ...here.
5163 * cpplib.c: Cast difference of two pointers to size_t before
5164 comparing it to size_t. Cast signed to unsigned
5165 before comparing to size_t. (FIXME: struct argdata should use
5166 unsigned buffer sizes.)
5167 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
5168 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
5169 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
5170 size_t before comparison.
5172 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
5174 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
5175 (find_basic_blocks_1): Similarly.
5176 * output.h (find_basic_blocks): Fix prototype.
5177 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
5178 find_basic_blocks anymore.
5180 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
5182 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
5183 (sbitmap_free, sbitmap_vector_free): New macros.
5184 * output.h (rtl_dump_file): Declare.
5186 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
5188 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
5190 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5192 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
5194 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
5195 (divide): Remove unused variable `tmp'.
5196 (si_to_float): Cast numeric constant to (SItype) before comparing
5199 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
5201 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
5202 * gcc.c (add_preprocessor_option): Correct typo when allocating
5203 memory, sizeof() argument had one too many `*'.
5204 (add_assembler_option): Likewise.
5205 (add_linker_option): Likewise.
5206 * gcov.c (output_data): Likewise.
5207 * local-alloc.c (memref_used_between_p): Likewise.
5208 (update_equiv_regs): Likewise.
5209 * loop.c (strength_reduce): Likewise.
5210 * reg-stack.c (record_asm_reg_life): Likewise.
5211 (subst_asm_stack_reg): Likewise.
5212 * reorg.c (dbr_schedule): Likewise.
5214 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5216 * flow.c (life_analysis_1): Break out some functions.
5217 (find_basic_blocks_1): Likewise. Also move some variables out and
5219 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
5220 new static var nonlocal_label_list with it.
5221 (active_eh_region, nested_eh_region, label_value_list,
5222 nonlocal_label_list): New static variables.
5223 (make_edges, delete_unreachable_blocks, delete_block): New static
5224 functions, broken out of find_basic_blocks_1.
5225 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
5226 noop_move_p): New static functions, broken out of life_analysis_1.
5228 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
5230 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
5231 Take extra care for op0 now possibly being a subreg.
5232 (extract_bit_field): Likewise.
5233 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
5234 the reg to memory if there is no equal sized integral mode.
5235 * stor-layout.c (int_mode_for_mode): New function.
5236 * machmode.h: Prototype it.
5238 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
5240 * global.c (build_insn_chain): Verify no real insns exist past the
5241 end of the last basic block, then exit the loop.
5243 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5245 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
5247 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
5249 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
5251 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
5253 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
5255 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
5257 * flow.c (find_basic_blocks): Correctly determine when a call
5258 is within an exception region.
5260 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
5262 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
5264 * cpplib.h: Protect from multiple inclusions.
5265 * cpplib.c: Fix minor formatting problems.
5267 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
5269 * jump.c (jump_optimize): Revert accidental patch.
5271 * Makefile.in (cpplib.o): Use unlibsubdir.
5273 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
5275 * loop.c (get_condition): Allow combine when either compare is
5278 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
5280 * version.c: Bump for snapshot.
5282 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
5284 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
5285 (init_lex): Initialize ridpointers[RID_BYREF].
5286 * c-lex.h (enum rid): Add RID_BYREF.
5287 * c-parse.gperf: Add RID_BYREF as a type qualifier.
5288 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
5289 (encode_type_qualifiers): Similarly
5290 * c-gperf.h: Rebuilt.
5292 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
5294 * c-common.c (type_for_mode): Only return TItype nodes when
5295 HOST_BITS_PER_WIDE_INT is >= 64 bits.
5296 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
5297 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
5298 (init_decl_processing): Only create TItype nodes when
5299 HOST_BITS_PER_WIDE_INT is >= 64 bits.
5300 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
5301 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
5303 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5305 * stmt.c (n_occurrences): New static function.
5306 (expand_asm_operands): Verify that all constrains match in the
5307 number of alternatives.
5308 Verify that '+' or '=' are at the beginning of an output constraint.
5309 Don't allow '&' for input operands.
5310 Verify that '%' isn't written for the last operand.
5311 * reload.c (find_reloads): Abort if an asm is found with invalid
5312 constraints; all possible problems ought to be checked for earlier.
5314 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5316 * flags.h (flag_branch_on_count_reg): Always declare
5317 * toplev.c (flag_branch_on_count_reg): Likewise.
5318 * toplev.c: Fix typos.
5320 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
5323 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
5325 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
5327 (find_basic_blocks_1): Add a nop to the end of a basic block when
5328 a trailing call insn does not have abnormal control flow.
5329 * gcse.c (pre_transpout): New variable.
5330 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
5331 (compute_pre_transpout): Calculate it.
5332 (compute_pre_ppinout): Use it to eliminate impossible placements
5333 due to abnormal control flow through calls.
5334 (compute_pre_data): Call compute_pre_transpout.
5336 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5338 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
5340 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
5342 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
5343 and matching define_insns): Tack on a `use' of the table label, so
5344 flow analysis will recognize a tablejump.
5346 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
5348 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
5349 always end basic blocks for abnormal edge reasons.
5351 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
5353 * config/i386/i386.h: Remove definition of
5354 HANDLE_PRAGMA_PACK_PUSH_POP.
5356 * config/i386/go32.h: Add definition of
5357 HANDLE_PRAGMA_PACK_PUSH_POP.
5359 * config/i386/win32.h: Add definition of
5360 HANDLE_PRAGMA_PACK_PUSH_POP.
5362 * config/i386/cygwin32.h: Add definition of
5363 HANDLE_PRAGMA_PACK_PUSH_POP.
5365 * c-pragma.c (insert_pack_attributes): Do not insert
5366 attributes unless #pragma pack(push,<n>) is in effect.
5368 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
5370 * expr.c (emit_group_store): Handle a PARALLEL destination.
5372 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
5374 * gcse.c (pre_insert_insn): When a call ends a bb, insert
5375 the new insns before the argument regs are loaded.
5377 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5379 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
5380 (c-parse.gperf): Update comments describing invocation flags.
5381 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
5383 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
5385 * reload1.c (reload): Call free before clobbering the memory
5386 locations or constants pointers.
5388 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5390 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
5391 for efficiency by checking whether we need to modify the current
5392 stack permission at all.
5393 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
5394 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
5395 __enable_execute_stack libcall here too if
5396 TRANSFER_FROM_TRAMPOLINE is defined.
5397 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
5400 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
5402 * Makefile.in (DRIVER_DEFINES): Remove last change.
5404 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5406 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
5407 insns we're going to copy.
5408 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
5410 * loop.c (count_one_set): Add prototype.
5412 * caller-save.c (restore_referenced_regs): Lose mode argument.
5413 (insert_save): Lose mode argument.
5414 (insert_restore): Lose mode argument.
5415 (insert_one_insn): Lose mode argument.
5416 (save_call_clobbered_regs): Lose mode argument.
5417 (setup_save_areas): Take no argument and return void. All callers
5419 Don't verify validity of memory addresses.
5420 * reload.h (setup_save_ares): Adjust prototype.
5421 (save_call_clobbered_regs): Likewise.
5422 * reload1.c (delete_caller_save_insns): New function.
5423 (caller_save_spill_class): Delete variable.
5424 (caller_save_group_size): Delete variable.
5425 (reload): Call setup_save_areas and save_call_clobbered_regs
5426 in the main loop, before calling calculate_needs_all_insns.
5427 Don't call save_call_clobbered_regs after the loop.
5428 Call delete_caller_save_insns at the end of an iteration if
5430 Delete code to manage caller_save_spill_class.
5431 Emit the final note before setting reload_first_uid.
5432 Simplify test that determines whether reload_as_needed gets run.
5433 (calculate_needs): Delete code to manage caller_save_spill_class.
5435 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
5437 * collect2.c (main): Initialize ld_file_name.
5439 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
5441 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
5442 check for flag_function_sections.
5444 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5446 * cse.c (insert_regs): Fix bug in Sep 24 change.
5448 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5450 * flags.h (flag_dump_unnumbered): Declare.
5451 * toplev.c (flag_dump_unnumbered): Don't declare.
5452 * print-rtl.c (flags.h): Include.
5453 (print_rtl_single): Add return value.
5454 * rtl.h (print_rtl_single): Update declaration.
5455 * flow.c (flag_dump_unnumbered): Don't declare.
5456 (print_rtl_with_bb): Use return value of print_rtl_single.
5458 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5460 * loop.c (count_one_set): New static function, broken out of
5462 (count_loop_regs_set): Call it.
5463 * global.c (mark_reg_store): Handle clobbers here by not calling
5465 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
5466 is in fact a clobber.
5467 * integrate.c (process_reg_param): New function, broken out of
5468 expand_inline_function.
5469 (expand_inline_function): Call it.
5472 * i386.md (addsidi3_1): Delete unused variable temp.
5473 (addsidi3_2): Likewise.
5474 (clstrstrsi): Delete unused variable addr1.
5476 * rtl.h: Don't declare any functions also declared in recog.h.
5478 * Makefile.in (stupid.o): Update dependencies.
5479 (global.o): Likewise.
5481 * global.c: Include reload.h
5482 (reg_becomes_live): New function.
5483 (reg_dies): New function.
5484 (build_insn_chain): New function.
5485 (global_alloc): Call build_insn_chain before calling reload.
5487 * reload.h (struct needs): New structure definition.
5488 (struct insn_chain): Likewise.
5489 (reload_insn_chain): Declare variable.
5490 (new_insn_chain): Declare function.
5493 * reload1.c (reload_startobj): New variable.
5494 (reload_insn_chain): New variable.
5495 (unused_insn_chains): New variable.
5496 (new_insn_chain): New function.
5497 (init_reload): Initialize reload_startobj, not reload_firstobj.
5498 (reload): Initialize reload_firstobj.
5499 Before returning, free everything on the reload_obstack.
5501 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
5502 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
5503 current_chain): New variables.
5504 (reg_where_born): Delete variable.
5505 (REG_WHERE_BORN): New macro.
5506 (find_clobbered_regs): New function.
5507 (stupid_life_analysis): Don't allocate/free reg_where_born.
5508 Allocate and free reg_where_born_exact, reg_where_born_clobber,
5509 reg_where_dead_chain.
5510 Use REG_WHERE_BORN instead of reg_where_born.
5511 While processing the insns, build the reload_insn_chain with
5512 information about register lifetimes.
5513 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
5514 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
5516 Compute and information about birth and death of pseudo registers in
5517 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
5518 Delete code to set elements of reg_where_born.
5520 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5522 * tree.def (GOTO_EXPR): Modified documentation.
5523 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
5526 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
5528 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
5529 loop_final_value, loop_comparison_code): No longer static.
5530 (unroll_loop): Delete loop_start_value update.
5531 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
5532 loop_final_value, loop_comparison_code): Extern.
5533 (loop_start_value): Delete extern.
5534 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
5535 loop_comparison_value, loop_comparison_code): Delete.
5536 (loop_optimize): Remove initialization for deleted variables.
5537 (strength_reduce): Delete analyze_loop_iterations call. Only call
5538 insert_bct if flag_branch_count_on_reg set.
5539 (analyze_loop_iterations): Delete.
5540 (insert_bct): Remove iteration count calculation. Move checks for
5541 viable BCT optimization to here. Obtain iteration count from
5542 loop_iterations and correct for unrolling. Check for enough
5543 iteration to be beneficial. Comment out runtime iteration count
5545 (insert_bct): Print iteration count in dump file. Remove
5546 loop_var_mode and use word_mode directly.
5548 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
5549 * rs6000.c (rs6000_override_options): Use it.
5550 (optimization_options): Enable use of flag_branch_on_count_reg.
5551 * rs6000.md (define_function_unit): Describe 604e.
5553 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5555 * loop.c (move_movables): Corrected threshold calculation for
5556 moved_once registers.
5558 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5560 * loop.c (combine_givs_p): Fix test for identical givs.
5562 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
5564 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
5565 call abort if the function is already defined.
5567 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
5569 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
5570 truncation is not a no-op.
5572 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
5574 * version.c: Bump for snapshot.
5576 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
5578 * version.c: Bump for snapshot.
5580 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
5582 * expmed.c (expand_divmod): Don't widen for computing remainder
5583 if we seem to have a divmod pattern for needed mode.
5585 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5587 * cpplib.c (macroexpand): Correct off-by-one error in handling
5590 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
5592 * combine.c (expand_field_assignment): Don't do bitwise operations
5593 on MODE_FLOAT; pun to MODE_INT if possible.
5595 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
5596 scott snyder <snyder@d0sgif.fnal.gov>
5598 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
5599 linker. Recognize mangled names in quotes.
5601 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5603 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
5604 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
5605 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
5606 (lshrsi3_extend, lshrsi3_extend2): Ditto.
5608 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5610 * function.c (purge_addressof_1): If trying to take a sub-word
5611 integral piece of a floating point mode, put it on the stack.
5613 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
5615 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
5617 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
5619 * PROJECTS: Remove template friends.
5621 * collect2.c (sort_ids): Remove unused variable.
5623 * tm.texi (MATH_LIBRARY): Document.
5624 (NEED_MATH_LIBRARY): Remove.
5626 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
5627 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
5629 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
5631 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
5632 last_end to 0x7fffffff.
5634 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5636 * function.c (purge_addressof_1): Do not perform endianness
5637 corrections on bitpos, who we call will do it for us.
5639 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
5641 * h8300.c (WORD_REG_USED): Fix typo.
5642 (initial_offset): Use WORD_REG_USED.
5644 * h8300.c (handle_pragma): Fix typo.
5646 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5648 * caller-save.c (insert_save_restore): Break this function up
5649 into new functions insert_restore, insert_save and insert_one_insn.
5650 All callers changed.
5651 (insert_restore): New function, mostly broken out of
5652 insert_save_restore.
5653 (insert_save): Likewise.
5654 (insert_one_insn): Likewise.
5655 (restore_referenced_regs): New argument BLOCK. All callers changed.
5656 (save_call_clobbered_regs): Don't keep track of basic block boundaries
5657 in this function, do it in insert_one_insn instead.
5659 * reload1.c (reload): Break out some more pieces into separate
5661 (dump_needs): New function, broken out of reload.
5662 (set_initial_elim_offsets): Likewise.
5663 (init_elim_table): Likewise.
5664 (update_eliminables): Likewise.
5666 * global.c (global_alloc): Delete code to manage the scratch_list.
5667 * local-alloc.c (qty_scratch_rtx): Delete.
5668 (scratch_block): Delete.
5669 (scratch_list): Delete.
5670 (scratch_list_length): Delete.
5671 (scratch_index): Delete.
5672 (alloc_qty_for_scratch): Delete.
5673 (local-alloc): Update initialization of max_qty.
5674 Delete code to manage the scratch list.
5675 Delete code to allocate/initialize qty_scratch_rtx.
5676 (block_alloc): Don't allocate quantities for scratches.
5677 Delete code to manage the scratch list.
5678 * regs.h (scratch_list): Delete declaration.
5679 (scratch_block): Delete declaration.
5680 (scratch_list_length): Delete declaration.
5681 * reload1.c (reload): Delete code to manage the scratch list.
5682 (spill_hard_reg): Likewise.
5683 (mark_scratch_live): Delete.
5685 * recog.c (alter_subreg): Delete declaration.
5687 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
5689 * Makefile.in (cccp.o): Fix typo in last patch.
5691 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5693 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
5694 * config/sh/lib1funcs.asm (___set_fpscr): Add.
5696 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
5698 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
5699 NULL_RTX as an argument.
5701 * Makefile.in (unlibsubdir): Define.
5702 (DRIVER_DEFINES): Use unlibsubdir.
5703 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
5704 (stmp-fixinc): Similarly.
5706 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5708 * regmove.c (regmove_optimize): Add variable old_max_uid.
5709 At the end of the function, update basic_block_end.
5711 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5713 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
5714 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
5717 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
5719 * config/arm/arm.c: Improve interworking support.
5721 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5723 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
5724 copied from reload_out[r] .
5726 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
5728 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
5729 with more than three size ranges.
5731 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
5733 * rtl.c (mode_name): Add a null string at the end of the array.
5734 (mode_wider_mode): Change type to unsigned char.
5735 (mode_mask_array): New variable.
5736 (init_rtl): Update for mode_wider_mode type change.
5738 * rtl.h (mode_wider_mode): Change type to unsigned char.
5739 (mode_mask_array): Declare.
5740 (GET_MODE_MASK): Use mode_mask_array.
5742 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
5744 * calls.c (expand_call) : Encapsulate code into
5745 copy_blkmode_from_reg.
5746 * expr.c (copy_blkmode_from_reg): New function.
5747 * expr.h (copy_blkmode_from_reg): New function.
5748 * integrate.c (function_cannot_inline_p): We can inline
5750 (expand_inline_function): Use copy_blkmode_from_reg
5751 if needed. Avoid creating BLKmode REGs.
5752 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
5755 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
5757 * config/v850/v850.c: Add function prototypes.
5758 Add support for v850 special data areas.
5760 * config/v850/v850.h: Add support for v850 special data areas.
5762 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
5763 HANDLE_PRAGMA_PACK_PUSH_POP.
5764 (push_alignment): New function: Cache an alignment requested
5765 by a #pragma pack(push,<n>).
5766 (pop_alignment): New function: Pop an alignment from the
5768 (insert_pack_attributes): New function: Generate __packed__
5769 and __aligned__ attributes for new decls whilst a #pragma pack
5771 (add_weak): New function: Cache a #pragma weak directive.
5772 (handle_pragma_token): Document calling conventions. Add
5773 support for #pragma pack(push,<n>) and #pragma pack (pop).
5775 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
5776 are defined enable HANDLE_PRAGMA_PACK.
5777 Move 'struct weak_syms' here (from varasm.c).
5778 Add pragma states for push and pop pragmas.
5780 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
5783 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
5784 HANDLE_GENERIC_PRAGMAS.
5786 * varasm.c: Move definition of 'struct weak_syms' into
5788 (handle_pragma_weak): Deleted.
5790 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5792 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5794 * c-decl.c (start_function): Add invocation of
5795 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
5797 * tm.texi: Remove description of non-existant macro
5798 SET_DEFAULT_SECTION_NAME.
5800 (HANDLE_SYSV_PRAGMA): Document.
5801 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
5803 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
5805 * config.sub: Recognize i[34567]86-pc-udk as new target.
5806 * configure.in: Likewise.
5807 * config/i386/t-udk: New file.
5808 * config/i386/udk.h: New file.
5810 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
5812 * reorg.c (check_annul_list_true_false): Remove unused variables.
5813 (steal_delay_list_from_target): Add missing "used_annul" variable.
5814 (try_merge_delay_insns): Close out half formed comment.
5816 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5818 * cpplib.c (macroexpand): If arg->raw_before or
5819 arg->raw_after, remove any no-reexpansion escape at the
5820 beginning of the pasted token. Correct handling of whitespace
5821 markers and no-reexpand markers at the end if arg->raw_after.
5823 * toplev.c (documented_lang_options): Recognize -include,
5824 -imacros, -iwithprefix, -iwithprefixbefore.
5825 * cpplib.c (cpp_start_read): Process -imacros and -include
5826 switches at the same time and in command-line order, after
5827 initializing the dependency-output code. Emit properly nested
5828 #line directives for them. Emit a #line for the main file
5829 before processing these switches, and don't do it again
5832 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
5834 * function.c (purge_addressof_1): Use bitfield manipulation
5835 routines to handle mem mode < reg mode.
5837 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5839 * reorg.c (try_merge_delay_insns): Account for resources referenced
5840 in each instruction in INSN's delay list before trying to eliminate
5841 useless instructions. Similarly when looking at a trial insn's delay
5844 * reorg.c (check_annul_list_true_false): New function.
5845 (steal_delay_list_from_{target,fallthrough}): Call it and also
5846 refine tests for when we may annul if already filled a slot.
5847 (fill_slots_from_thread): Likewise.
5848 (delete_from_delay_slot): Return newly-created thread.
5849 (try_merge_delay_isns): Use its new return value.
5851 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
5853 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
5854 used to compute a giv or as some other non-counting use.
5856 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5858 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
5859 * local-alloc.c (find_free_reg): Use it.
5860 * global.c (find_reg): Likewise.
5861 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
5863 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
5864 * caller-save.c (init_caller_save): Use it.
5865 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
5867 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5869 * configure.in: Add --enable-cpplib option which uses cpplib
5870 for cpp, but doesn't link cpplib into cc1. Make help text
5871 capitalization consistent.
5872 * configure: Rebuilt.
5874 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
5876 * function.c (gen_mem_addressof): If the address REG is
5877 REG_USERVAR_P make the new REG be so also.
5878 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
5879 in an attempt to clarify slightly.
5881 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
5883 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
5884 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
5886 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
5888 * toplev.c: Fix last patch.
5890 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
5892 * loop.c (get_condition): Fix typo in May 9 change.
5894 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5896 * invoke.texi (-fexceptions): Merge 2 different descriptions.
5898 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5900 * toplev.c (documented_lang_options): Spelling corrections.
5902 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5904 * configure.in: new flags --with-ld and --with-as, equivalent
5905 to setting LD and AS environment variables. Test whether
5906 specified arguments are GNU commands, and report them with
5907 checking messages. Use the specified AS for configure
5910 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
5912 * gcc.c (find_a_file): when looking for `as' and `ld', return
5913 the DEFAULT program if it exists
5914 * collect2.c (main): use DEFAULT_LINKER if it exists
5916 * gcc.c (find_a_file): the test for existence of a full
5917 pathname was reversed
5919 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
5921 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
5922 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
5924 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
5926 * tree.h (TYPE_BINFO): Document.
5928 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
5930 * i386-coff.h (dbxcoff.h): Added.
5932 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
5934 * toplev.c: fix bad patch around flag_data_sections.
5936 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
5938 * reload1.c (reload): Use reload_address_index_reg_class and
5939 reload_address_base_reg_class when setting
5940 caller_save_spill_class. (Patch generated by Jim Wilson:
5943 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
5945 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
5946 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
5947 * expr.c (store_field): Add alias_set parameter. Set the
5948 MEM_ALIAS_SET accordingly, if the target is a MEM.
5949 (expand_assignment): Use it.
5950 (store_constructor_field): Pass 0.
5951 (expand_expr): Likewise.
5953 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
5955 * flags.h: Add flag_data_sections.
5956 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
5957 (compile_file): Error if flag_data_sections not supported.
5958 * varasm.c (assemble_variable): Handle flag_data_sections.
5959 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
5960 * config/mips/elf.h: Likewise.
5961 * config/mips/elf64.h: Likewise.
5962 * invoke.texi: Describe -fdata-sections.
5964 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
5966 * invoke.texi (-ffloat-store): Clarify that this option
5967 does not affect intermediate results -- only variables.
5969 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
5971 * cpp.texi: Update for Fortran usage from Craig.
5973 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5975 * rs6000.c (function_arg_boundary): Revert accidental change on
5978 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
5980 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
5981 (output_mi_thunk): Declare.
5983 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
5984 (output_function_profiler): Use r12 for temp, instead of r11 so
5985 that we preserve the static chain register.
5987 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
5989 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
5991 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5993 * sh.c (gen_shl_sext): Fix case 5.
5995 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5997 * reload1.c (reload_combine): Re-add line that got accidentally lost.
5999 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6001 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
6002 accessing variables until they are initialized via va_arg().
6004 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6006 * reload1.c (reload_combine): Initialize set before using.
6008 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
6010 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
6013 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
6015 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
6016 operand3 with mask before using it. Patch provided by Jim Wilson.
6018 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6020 * config/sparc/sparc.c (function_value): Perform the equivalent of
6021 PROMOTE_MODE for ARCH64.
6022 (eligible_for_epilogue_delay): Allow DImode operations in delay
6023 slot of a return for ARCH64.
6025 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6027 * sh.md (sqrtsf2): Fix mode of sqrt.
6029 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6031 * reload1.c (choose_reload_regs): Also try inheritance when
6032 reload_in is a stack slot of a pseudo, even if we already got a
6035 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6037 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
6038 (reload_cse_regs): New function body: call reload_cse_regs_1,
6039 reload_combine, reload_cse_move2add.
6040 When doing expensive_optimizations, call reload_cse_regs_1 a
6041 second time after reload_cse_move2add.
6042 (reload_combine, reload_combine_note_store): New functions.
6043 (reload_combine_note_use): New function.
6044 (reload_cse_move2add, move2add_note_store): New functions.
6046 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6048 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
6049 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
6051 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
6052 more than 3 such reloads.
6054 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
6055 RELOAD_FOR_X_ADDR_ADDR reload.
6057 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6059 * expr.c (store_constructor): When initializing a field that is smaller
6060 than a word, at the start of a word, try to widen it to a full word.
6062 * cse.c (cse_insn): When we are about to change a register,
6063 remove any invalid references to it.
6065 (remove_invalid_subreg_refs): New function.
6066 (mention_regs): Special treatment for SUBREGs.
6067 (insert_regs): Don't strip SUBREG for call to mention_regs.
6068 Check if reg_tick needs to be bumped up before that call.
6069 (lookup_as_function): Try to match known word_mode constants when
6070 looking for a norrower constant.
6071 (canon_hash): Special treatment for SUBREGs.
6073 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6075 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
6076 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
6077 defined, emit libcall to __enable_execute_stack. Also fix opcodes
6078 and offsets in actual stack trampoline code so they match the
6079 commentary and actually work.
6081 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6083 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
6085 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
6086 tmake_file. Set extra_parts to needed crt objects.
6087 * configure: Rebuilt.
6088 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
6089 (TARGET_DEFAULT): Set if default is v9 or ultra.
6090 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
6091 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
6092 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
6093 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
6094 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
6095 (TARGET_VERSION): Define.
6096 (MULTILIB_DEFAULT): Define.
6097 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
6098 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
6099 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
6101 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
6102 * config/sparc/sparc.c (sparc_override_options): If arch and
6103 pointer size disagree, emit diagnostic and fix it up. If
6104 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
6105 V8PLUS in 64-bit mode.
6106 * config/sparc/t-linux64: New file.
6107 * config/sparc/t-sol2-64: New file.
6108 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
6109 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
6110 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
6111 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
6112 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
6113 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
6115 (STARTFILE_SPEC): Set approriately based upon those.
6116 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
6117 disposition of DEFAULT_ARCH32_P.
6118 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
6119 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
6120 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
6121 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
6122 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
6124 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
6126 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
6128 * rtl.h (init_virtual_regs): New function.
6129 * emit-rtl.c (init_virtual_regs): Define.
6130 (insn_emit): Use it.
6131 * integrate.c (save_for_inline_copying): Likewise.
6133 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
6135 * config/arm/thumb.h: The following patches were made by Jim Wilson:
6136 (enum reg_class): Add NONARG_LO_REGS support.
6137 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
6138 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
6139 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
6140 completes. Re-enable HImode REG+OFFSET addresses.
6141 (LEGITIMIZE_RELOAD_ADDRESS): Define.
6143 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
6145 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
6147 * alpha.c (get_aligned_mem): Revert Sep 20 change.
6148 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
6149 (alpha_align_insns): Properly calculate initial offset wrt max_align.
6151 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
6153 * arm.c (find_barrier): Revert change of Apr 23. Handle table
6154 jumps as a single entity, taking into account the size of the
6157 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
6159 * tree.def (SWITCH_EXPR): New tree node definition.
6161 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
6163 * version.c: Bump for snapshot.
6165 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
6167 * version.c: Bump for snapshot.
6169 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
6171 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
6174 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
6176 * Revert this patch.
6177 * reload.c (find_reloads): Do not replace a pseudo with
6178 (MEM (reg_equiv_addr)) in the initializing insn for the
6181 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
6183 * final.c (final_scan_insn): Disable tracking CC across branches.
6185 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6187 * expr.h (eh_rtime_match_libfunc): New extern declaration.
6188 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
6189 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
6190 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
6191 NULL. Only include <stdio.h> if inhibit_libc is not defined.
6193 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
6195 * toplev.c (rest_of_compilation): Skip compiling anything with
6196 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
6198 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
6200 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
6201 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
6202 use in_libcall_block.
6203 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
6204 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
6207 Mon Sep 21 14:02:23 1998
6209 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
6210 typo in no-fancy-math-387 description.
6212 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
6214 * version.c: Bump for snapshot.
6216 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
6218 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
6220 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
6222 * i386.h: (TARGET_SWITCHES) Add description fields for flags
6223 documented in install.texi.
6224 (TARGET_OPTIONS) Likewise.
6226 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
6228 * version.c: Bump for snapshot.
6230 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
6232 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
6233 * cccp.c (main): Likewise.
6235 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
6236 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
6239 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
6241 * Makefile.in (LIBS): Link in libiberty.a.
6242 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
6244 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
6246 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
6247 it to update bb boundaries. Update caller.
6248 * function.c (reposition_prologue_and_epilogue_notes): Update
6249 bb boundaries wrt the moved note.
6251 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
6253 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
6255 * configure: Regenerate.
6257 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
6259 * alpha.c (alpha_sr_alias_set): New variable.
6260 (override_options): Set it.
6261 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
6262 (mode_mask_operand): Fix signed-unsigned comparision warning.
6263 (alpha_expand_block_move): Likewise.
6264 (print_operand): Likewise.
6265 (get_aligned_mem): Use change_address.
6266 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
6267 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
6268 (alphaev4_next_nop, alphaev5_next_nop): New functions.
6269 (alpha_align_insns): Remade from old alphaev5_align_insns
6270 to handle multiple processors.
6271 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
6272 * output.h (label_to_alignment): Prototype.
6274 * tree.c (new_alias_set): New function.
6275 * tree.h (new_alias_set): Declare it.
6276 * c-common.c (c_get_alias_set): Use it.
6278 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
6280 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
6281 to an ABS expr, convert an unsigned input to signed.
6283 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
6285 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
6287 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6289 * configure.in: Add support for c4x targets.
6290 * configure: Rebuilt.
6292 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
6294 * combine.c (distribute_notes): If an insn is a cc0 user, only
6295 delete it if we can also delete the cc0 setter.
6297 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
6299 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
6300 (invert_truthvalue): Enable truthvalue inversion for
6301 floating-point operands if -ffast-math.
6303 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
6305 * configure.in: Disable collect2 for nextstep. Instead use
6307 * configure: Rebuilt.
6308 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
6309 (ENDFILE_SPEC): Define.
6310 (OBJECT_FORMAT_MACHO): Define.
6311 (EH_FRAME_SECTION_ASM_OP): Define.
6312 * crtstuff.c: Handle MACHO.
6314 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
6316 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
6318 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
6320 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
6321 (_fpadd_parts): Get sign right for 0.
6323 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6325 * ginclude/varargs.h: Add support for C4x target.
6326 * ginclude/stdargs.h: Likewise.
6328 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
6330 * alpha.c (alpha_return_addr): SET should be VOIDmode.
6331 (alpha_emit_set_long_const): Rewrite to be callable from reload
6333 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
6334 * alpha.md (movdi): Likewise.
6336 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
6338 * arm.c (add_constant): New parameter address_only, change caller.
6339 Set it non-zero if taking the address of an item in the pool.
6340 (arm_reorg): Handle cases where we need the address of an item in
6343 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
6345 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
6346 memory addresses that are not in standard canonical form.
6348 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
6350 * README.C4X: New file with information about the c4x ports.
6351 * ginclude/va-c4x.h: New file for c4x varargs support.
6352 * config/c4x: New directory with c4x port files.
6354 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
6356 * reload.c (find_reloads): Do not replace a pseudo with
6357 (MEM (reg_equiv_addr)) in the initializing insn for the
6360 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
6362 * toplev.c (rest_of_compilation): Set bct_p on second call to
6364 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
6366 (strength_reduce): Only call analyze_loop_iterations and
6367 insert_bct if bct_p set.
6368 (check_dbra_loop): Fix typo.
6369 (insert_bct): Use word_mode instead of SImode.
6370 (instrument_loop_bct): Likewise. Do not delete iteration count
6371 condition code generation insn. Initialize iteration count before
6373 * rtl.h (loop_optimize): Update prototype.
6375 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
6376 not doubleword aligned.
6378 * rs6000.c (optimization_options): New function.
6379 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
6380 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
6381 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
6382 first; cr1 can be used for FP record condition insns.
6384 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
6386 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
6389 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
6392 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
6394 (block_move_call): New function: Call a library routine to copy a
6396 (m32r_expand_block_move): New function: Expand a "movstrsi"
6397 pattern into a sequence of insns.
6398 (m32r_output_block_move): New function: Expand a
6399 "movstrsi_internal" pattern into a sequence of assembler opcodes.
6400 (m32r_block_immediate_operand): New function: Return true if the
6401 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
6403 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6405 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
6407 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
6409 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6411 * regmove.c (copy_src_to_dest): Check that modes match.
6413 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
6415 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
6417 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
6419 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
6420 narrower than FLOAT_REGS.
6422 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6424 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
6426 * Makefile.in (old_gxx_include_dir): removed
6428 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
6430 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
6433 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
6434 (sh_handle_pragma): Change function arguments to match new
6435 specification for HANDLE_PRAGMA.
6437 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6439 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
6441 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
6442 When generating output, initialize missing struct member to zero.
6444 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6446 * regmove.c (copy_src_to_dest): Don't copy if that requires
6447 (a) new register(s).
6449 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6451 * global.c (reg_allocno): Now static.
6452 * reload1.c (reg_allocno): Delete declaration.
6453 (order_regs_for_reload): Take no arguments. Don't treat regs
6454 allocated by global differently than those allocated by local-alloc.
6456 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
6458 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
6459 condition, fix format strings.
6460 (output_function_epilogue): Likewise.
6462 * m68k/m68k.c: Don't include <stdlib.h> directly.
6464 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
6466 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
6467 mem_first_set, mem_last_set; because 0 can be a CUID.
6468 (oprs_unchanged_p): Use new definition.
6469 (record_last_reg_set_info): Likewise.
6470 (record_last_mem_set_info): Likewise.
6471 (compute_hash_table): Likewise.
6473 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
6475 * rs6000.c (output_epilogue): Handle Chill.
6477 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
6478 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
6480 * combine.c (make_extraction): If no mode is specified for
6481 an operand of insv, extv, or extzv, default it to word_mode.
6482 (simplify_comparison): Similarly.
6483 * expmed.c (store_bit_field): Similarly.
6484 (extract_bit_field): Similarly.
6485 * function.c (fixup_var_regs_1): Similarly.
6486 * recog.c (validate_replace_rtx_1): Similarly.
6487 * mips.md (extv, extzv, insv expanders): Default modes for most
6488 operands. Handle TARGET_64BIT.
6489 (movdi_uld, movdi_usd): New patterns.
6491 * pa.c (emit_move_sequence): Do not replace a pseudo with its
6492 equivalent memory location unless we have been provided a scratch
6493 register. Similarly do not call find_replacement unless a
6494 scratch register has been provided.
6496 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6498 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
6501 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
6503 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
6504 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
6505 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
6506 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
6507 * c-decl.c (init_decl_processing): Update accordingly.
6508 * expr.c (expand_builtin): Likewise.
6510 * rtl.h (global_rtl): Add cfa entry.
6511 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
6512 (LAST_VIRTUAL_REGISTER): Update.
6513 * emit-rtl.c (global_rtl): Add cfa entry.
6514 (init_emit): Initialize it.
6515 * function.c (cfa_offset): New.
6516 (instantiate_virtual_regs): Initialize it.
6517 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
6518 (expand_function_end): Call expand_eh_return.
6519 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
6521 * except.c (current_function_eh_stub_label): Kill.
6522 (current_function_eh_old_stub_label): Likwise; update all references.
6523 (expand_builtin_set_return_addr_reg): Kill.
6524 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
6525 (expand_builtin_set_eh_regs): Kill.
6526 (eh_regs): Produce a third reg for the actual handler address.
6527 (eh_return_context, eh_return_stack_adjust): New.
6528 (eh_return_handler, eh_return_stub_label): New.
6529 (init_eh_for_function): Initialize them.
6530 (expand_builtin_eh_return, expand_eh_return): New.
6531 * except.h: Update prototypes.
6532 * flow.c (find_basic_blocks_1): Update references to the stub label.
6533 * function.h (struct function): Kill stub label elements.
6535 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
6536 register number is one that would be in the previous window.
6537 Provide a dummy definition for non-windowed targets.
6538 (get_reg_addr): New function.
6539 (get_reg, put_reg, copy_reg): Use it.
6540 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
6541 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
6543 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
6544 (alpha_init_expanders): Initialize it.
6545 (alpha_expand_epilogue): Use it.
6546 * alpha.h: Declare it.
6547 * alpha.md (eh_epilogue): New.
6549 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
6550 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
6552 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
6554 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
6557 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6559 * except.h (struct eh_entry): Add false_label field.
6560 (end_catch_handler): Add prototype.
6561 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
6562 (start_catch_handler): When using old style exceptions, issue
6563 runtime typematch code before continuing with the handler.
6564 (end_catch_handler): New function, generates label after handler
6565 if needed by older style exceptions.
6566 (expand_start_all_catch): No need to check for new style exceptions.
6567 (output_exception_table_entry): Only output the first handler label
6568 for old style exceptions.
6569 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
6570 mechanism into one function, if a runtime matcher is provided.
6572 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6574 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
6576 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
6578 * integrate.c (copy_decl_list): Fix typo.
6580 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6582 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
6585 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
6587 * version.c: Bump for snapshot.
6589 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
6591 * version.c: Bump for snapshot.
6593 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
6595 * version.c: Bump for snapshot.
6597 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6599 * invoke.texi (C Dialect Options): Put back missing @end itemize.
6601 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6603 * configure.in: remove usage of `!' to negate the result of a
6604 command; some common shells do not support it
6606 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6608 * configure.in: in sparc9-sol2 config, use 'if test' not
6610 * configure: Rebuilt.
6612 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
6614 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
6615 (CPP_CPU_DEFAULT_SPEC): Likewise.
6616 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
6617 for arch64 libfuncs.
6619 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
6622 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6624 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
6626 * collect2.c: Don't declare `sys_siglist' here.
6627 (my_strsignal): Prototype and define new function. Use it in
6628 place of `sys_siglist' hacks.
6630 * mips_tfile.c: Likewise.
6632 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
6633 (GCC_NEED_DECLARATIONS): Likewise.
6635 * system.h (strsignal): Prototype it, if necessary.
6636 (sys_siglist): Declare it, if necessary.
6638 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6640 * loop.c (move_movables): While removing insn sequences, preserve
6641 the next pointer of the most recently deleted insn when we skip
6644 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
6646 * objc/config-lang.in: Do not output the name of the selected
6647 thread file when building the front-end. The Makefile for the
6648 runtime library will do this.
6650 * objc/Make-lang.in: Do not build the runtime library or install
6651 the Objective C header files. The Makefile for the runtime
6652 library will do this.
6654 * objc/Makefile.in (all.indirect): Only build the front-end.
6655 (compiler): Rename to `frontend'.
6656 (obj-runtime): Remove target.
6657 (copy-headers): Likewise.
6658 (clean): No need to remove `libobjc.a' any longer.
6660 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
6662 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
6663 supported with -mcpu=xxx.
6665 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6667 * flow.c (mark_set_1): Recognize multi-register structure return
6668 values in CALL insns.
6669 (mark_used_regs): Likewise.
6670 (count_reg_sets_1): Likewise.
6671 (count_reg_references): Likewise.
6672 * rtlanal.c (note_stores): Likewise.
6673 (reg_overlap_mentioned_p): Likewise.
6674 * haifa-sched.c (check_live_1): Likewise.
6675 (update_live_1): Likewise.
6676 (sched_analyze_1): Likewise.
6677 (sched_note_set): Likewise.
6678 (birthing_insn_p): Likewise.
6679 (attach_deaths): Likewise.
6681 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
6684 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
6686 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
6688 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6690 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
6692 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6694 * configure.in: Add check for GAS subsection -1 support.
6695 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
6696 * configure config.in: Rebuilt.
6697 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
6698 SImode is subsection -1 works, else use DImode.
6699 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
6700 subsection -1 works.
6701 * config/sparc/sparc.c (sparc_output_addr_vec,
6702 sparc_output_addr_diff_vec): Use them if defined.
6704 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
6706 * tree.h (DECL_ORIGIN): New macro.
6707 * integrate.c (copy_and_set_decl_abstract_origin): New function.
6708 (copy_decl_list): Use it.
6709 (integrate_parm_decls): Likewise.
6710 (integrate_decl_tree): Likewise.
6711 * dwarf2out.c (decl_ultimate_origin): Simplify.
6712 * dwarfout.c (decl_ultimate_origin): Likewise.
6713 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
6714 (pushdecl): Likewise.
6716 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
6718 * config/rs6000/rs6000.c (output_epilog): Add Java support.
6720 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
6722 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
6724 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
6726 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
6727 empty or has a single entry.
6729 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
6730 before calling reg_to_stack.
6732 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
6734 * alpha.c (alphaev5_insn_pipe): Abort on default case.
6735 (alphaev5_next_group): Swallow CLOBBERs and USEs.
6737 * c-tree.h (warn_long_long): Declare it.
6739 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
6741 * emit-rtl.c (gen_lowpart_common): Disable optimization of
6742 initialized float-int union if the value is a NaN.
6744 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
6746 * c-lex.c (real_yylex): Don't warn about long long constants if
6747 we're allowing long long
6749 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6751 * except.h (current_function_eh_stub_label): Declare.
6752 (current_function_eh_old_stub_label): Declare.
6753 * function.h (struct function): New members eh_stub_label and
6755 * except.c (current_function_eh_stub_label): New variable.
6756 (current_function_eh_old_stub_label): New variable.
6757 (init_eh_for_function): Clear them.
6758 (save_eh_status): Save them.
6759 (restore_eh_status): Restore them.
6760 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
6761 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
6762 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
6763 make an edge from the block that contains it to the block starting
6764 with the label if this label is one of the eh stub labels.
6765 If eh stub labels exist, show they are reachable from the last block
6768 * reload1.c (reload): Break out several subroutines and make some
6770 (calculate_needs_all_insns): New function, broken out of reload.
6771 (calculate_needs): Likewise.
6772 (find_reload_regs): Likewise.
6773 (find_group): Likewise.
6774 (find_tworeg_group): Likewise.
6775 (something_needs_reloads): New global variable, formerly in reload.
6776 (something_needs_elimination): Likewise.
6777 (caller_save_spill_class): Likewise.
6778 (caller_save_group_size): Likewise.
6779 (max_needs): Likewise.
6780 (group_size): Likewise.
6781 (max_groups): Likewise.
6782 (max_nongroups): Likewise.
6783 (group_mode): Likewise.
6784 (max_needs_insn): Likewise.
6785 (max_groups_insn): Likewise.
6786 (max_nongroups_insn): Likewise.
6787 (failure): Likewise.
6789 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
6791 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
6793 * loop.c (load_mems): Copy rtx for output mem.
6795 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
6797 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
6798 mips1 or mips2 either.
6800 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
6802 * pa.c (pa_reorg): New marking scheme for jumps inside switch
6804 (pa_adjust_insn_length): Update to work with new marking scheme
6805 for jumps inside switch tables.
6806 * pa.md (switch_jump): Remove pattern.
6807 (jump): Handle jumps inside jump tables.
6809 * Makefile.in (profile.o): Depend on insn-config.h
6811 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
6813 * iris6.h (DWARF2_UNWIND_INFO): Undef.
6815 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6817 Add preliminary native sparcv9 Solaris support.
6818 * configure.in: Recognize sparv9-*-solaris2*
6819 * configure: rebuilt
6820 * config.sub: Recognize sparcv9 just like sparc64.
6821 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
6822 config/sparc/sol2-cn.asm: Macroize so it can be shared between
6823 32-bit and 64-bit Solaris systems.
6824 * config/sparc/t-sol2: Assemble those with cpp.
6825 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
6826 (*TF*_LIBCALL): If ARCH64 use V9 names.
6827 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
6829 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6831 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
6832 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
6834 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
6836 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
6837 to Pmode if CASE_VECTOR_MODE is something else.
6839 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
6841 * prefix.c (update_path): Correctly handle cases where PATH is
6842 a substring of the builtin prefix, but specifies a different
6845 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
6847 * expr.c: Corrected comment about what MOVE_RATIO does.
6848 * config/alpha/alpha.h: Ditto.
6849 * config/1750a/1750a.h: Ditto.
6850 * config/clipper/clipper.h: Ditto.
6851 * config/i386/i386.h: Ditto.
6853 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
6855 * configure.in (m68k-next-nextstep3*): Use collect2.
6856 Similarly for x86 NeXT configurations.
6857 * configure: Rebuilt.
6859 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
6861 * configure.in: Don't assume srcdir is .../gcc
6862 * configure: Rebuilt.
6864 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
6866 * global.c: Update comments.
6867 (global_alloc): Assign allocation-numbers
6868 even for registers allocated by local_alloc in case
6869 they are later spilled and retry_global_alloc is called.
6870 (mark_reg_store, mark_reg_clobber,
6871 mark_reg_conflicts, mark_reg_death): Always record a
6872 conflict with a pseudo register even if it has been
6873 assigned to a hard register.
6874 (dump_conflicts): Don't list pseudo registers already assigned to
6875 a hard register as needing to be allocated, but do list their
6877 * local-alloc.c: Update comment.
6879 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
6881 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
6882 * configure: Rebuilt.
6884 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
6886 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
6888 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
6889 for all targets that set -msoft-float.
6891 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6893 * toplev.c (print_switch_values): Make static to match prototype.
6895 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
6897 * configure.in: If we are unable to find the "gnatbind" program,
6898 then do not configure the ada subdir.
6899 * configure: Rebuilt.
6901 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
6903 * version.c: Bump for snapshot.
6905 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
6907 * version.c: Bump for snapshot.
6909 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6911 * Makefile.in (toplev.o): Depend on $(EXPR_H).
6912 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
6914 * gansidecl.h: Define ATTRIBUTE_NORETURN.
6916 * genattrtab.c: Have insn-attrtab.c include toplev.h.
6918 * genextract.c: Have insn-extract.c include toplev.h.
6920 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
6922 * toplev.c: Include expr.h.
6923 (really_sorry, fancy_abort): Remove prototypes.
6924 (set_target_switch): Add argument in prototype.
6925 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
6926 (v_really_sorry): Likewise.
6927 (print_version, print_single_switch, print_switch_values): Make
6928 static and add prototype arguments.
6929 (decl_printable_name): Add prototype arguments.
6930 (lang_expand_expr_t): New typedef.
6931 (lang_expand_expr): Declare as a lang_expand_expr_t.
6932 (incomplete_decl_finalize_hook): Add prototype argument.
6933 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
6934 (botch): Likewise for variable `s'.
6935 (rest_of_type_compilation): Mark variables `type' and `toplev'
6936 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
6937 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
6938 (display_help): Make variable `i' an `unsigned long'.
6939 (main): Remove unused parameter `envp'.
6940 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
6941 Cast -1 when comparing it with a `size_t'.
6943 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
6944 prototype with ATTRIBUTE_NORETURN.
6945 (fatal_insn_not_found, fatal_insn, really_sorry,
6946 push_float_handler, pop_float_handler): Add prototypes.
6947 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
6948 (do_abort, botch): Add prototypes.
6950 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
6952 * final.c (final): If a label is reached only from a single jump,
6953 call NOTICE_UPDATE_CC on the jump and its predecessor before
6954 emitting the insn after the label.
6956 * i386.h: Add AMD K6 support.
6957 Change TARGET_* macros to use table lookup.
6958 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
6959 (ADJUST_COST): Change definition to call function in i386.c.
6960 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
6961 * i386.c: Add AMD K6 support.
6962 Add constants for feature tests used by TARGET_* macros.
6963 (split_di): If before reload, call gen_lowpart and gen_highpart.
6964 (x86_adjust_cost): New function.
6965 (put_jump_code): New function.
6966 (print_operand): New codes 'D' and 'd'.
6967 * i386.md: New insn types. New insn attribute "memory".
6968 Redefine scheduling parameters to use new types and add AMD K6
6969 support. Explicitly set type of most insns.
6970 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
6971 Pro and K6 prefer movl $1,reg to incl reg.
6972 (adddi3, subdi3): Set cc_status.
6973 (DImode shift patterns): Change label counters from HOST_WIDE_INT
6974 to int; x86 can't have more than 2^31 DImode shifts per file.
6975 (setcc): Combine all setcc patterns. Allow writing memory.
6976 Combine all jump patterns using match_operator.
6977 (*bzero): Name pattern. Emit mutliple stos instructions when that
6978 is faster than rep stos.
6979 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
6982 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
6984 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
6987 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
6989 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
6990 not whatever we're generating now.
6992 * alpha.c (set_frame_related_p, FRP): New.
6993 (alpha_expand_prologue): Mark frame related insns.
6994 (alpha_expand_epilogue): Likewise, but with a null FRP.
6995 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
6996 * alpha.md (exception_receiver): New.
6997 * alpha/crtbegin.asm (.eh_frame): New beginning.
6998 (__do_frame_setup, __do_frame_takedown): New.
6999 * alpha/crtend.asm (.eh_frame): New ending.
7000 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
7001 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
7002 (ASM_FILE_START): Don't emit .file for dwarf2.
7004 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
7005 * rtl.c (reg_note_name): Likewise.
7006 * rtl.texi (REG_NOTES): Likewise.
7007 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
7010 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
7012 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
7013 * i386.md (movsf, movdf, movxf): Validate memory address returned
7014 from force_const_mem. Kill useless REG_EQUAL setting code.
7016 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
7018 * m68k.md (zero_extendsidi2): Fix typo.
7020 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
7022 * configure.in: Removed references to the removed file
7023 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
7024 * arm*-*-netbsd* and ns32k-*-netbsd*.
7025 * config/i386/xm-netbsd.h: Removed unnecessary file.
7026 * config/m68k/xm-netbsd.h: Likewise.
7027 * config/sparc/xm-netbsd.h: Likewise.
7028 * config/mips/xm-netbsd.h: Likewise.
7030 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
7032 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
7033 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
7035 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
7036 for exact section attributions.
7038 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
7040 * i386/crtdll.h (CPP_PREDEFINES): Define.
7042 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
7044 * m68k.md (5200 movqi): Do not allow byte sized memory references
7046 * m68k.c (output_move_qimode): Do not use byte sized operations on
7049 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
7050 explicit rules for building. Similarly for alloca, vfprintf,
7051 choose-temp and mkstemp, getopt, getopt1, and obstack.
7052 (INCLUDES): Add $(srcdir)/../include.
7053 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
7054 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
7056 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
7058 * gcc.c (do_spec_1): [case 'o'] Account for
7059 lang_specific_extra_outfiles.
7060 (main): Correctly clear all slots in outfiles for
7061 lang_specific_extra_outfiles. Set input_file_number before
7062 calling lang_specific_pre_link.
7064 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
7066 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
7068 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7070 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
7072 (sparc_output_deferred_case_vectors): If no work to do, return.
7073 Fix thinko in Sept 1 change.
7075 1998-09-03 SL Baur <steve@altair.xemacs.org>
7077 * Makefile.in: add semicolon in BISON definition for portability.
7079 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
7081 * config/nextstep.c (handle_pragma): Correct name of third
7084 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
7086 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
7087 * config/m32r/m32r.h: Make register 17 be fixed.
7088 * config/m32r/m32r.c: Use SImode for cc operations.
7090 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
7092 * invoke.texi (Warning Options): Add -Wnon-template-friend
7095 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
7097 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
7099 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
7101 * rs6000.md (movsf): Disable explicit secondary-reload-like
7102 functionality if TARGET_POWERPC64.
7103 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
7106 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
7108 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
7109 and term.h from fixinc.wrap.
7111 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7113 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
7114 safe to include both string.h and strings.h together.
7115 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
7116 which headers to search for function declarations. Continue to
7117 prefer string.h over strings.h when both are not acceptable.
7119 * acconfig.h (STRING_WITH_STRINGS): Add stub.
7121 * configure.in: Call GCC_HEADER_STRING.
7123 * system.h: Test STRING_WITH_STRINGS when deciding which headers
7124 to include. Continue to prefer string.h over strings.h when both
7127 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7129 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
7130 not assume top 32-bits of symbolic addresses are zero if
7133 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
7135 * ginclude/va-alpha.h: Protect entire second portion of the
7136 file against double inclusion.
7138 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
7140 Added support for the Boehm's garbage collector.
7141 * configure.in: Handle --enable-objc-gc.
7142 * configure: Rebuilt.
7143 * Makefile.in (CHECK_TARGETS): Add check-objc.
7144 (check-objc): New rule.
7145 * objc/Make-lang.in: Build a different Objective-C library that
7146 runs with the Boehm's collector.
7147 * objc/encoding.c (objc_round_acc_size_for_types): New function.
7148 * objc/encoding.c: Correctly compute the size of compound types in
7149 the presence of bitfields. Skip the variable name of the type if
7150 any. Added support for long long.
7151 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
7152 (_F_GCINVISIBLE): New mask.
7153 * objc/gc.c: New file. Compute the type memory mask associated with
7154 a class based on the runtime information.
7155 * objc/misc.c: Added the hooks that use the Boehm's collector
7156 allocation functions.
7157 * objc/objc-act.c (build_class_template): Generate a new class
7158 member (gc_object_type) to hold the class' type memory mask.
7159 (build_shared_structure_initializer): Initialize the new member to
7161 (encode_complete_bitfield): New function. Generate the new
7163 (encode_field_decl): Generate the new encoding only for the GNU
7165 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
7167 (class_get_gc_object_type): New function to mark a pointer instance
7168 variable as a weak pointer.
7169 * objc/objc-features.texi: New file.
7170 * objc/objc.h (gc_object_type): New class member.
7171 * objc/objects.c (class_create_instance): Create a typed memory
7172 object when compiled with Boehm's collector support.
7173 * objc/sendmsg.c (__objc_init_install_dtable): Call
7174 __objc_send_initialize instead of setting the initialize flag.
7175 (__objc_send_initialize): Call __objc_generate_gc_type_description
7176 to generate the class type memory mask. Rewrite the code that
7177 sends the +initialize so that it is called only once (bug report
7178 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
7179 * testsuite/objc: New testsuite for Objective-C type encoding.
7180 * testsuite/lib/objc-torture.exp: New file.
7181 * testsuite/lib/objc.exp: New file.
7183 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
7185 * jump.c (jump_optimize): In if/then/else transformations, add
7186 another call to modified_between_p for the jump insn.
7188 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
7190 * fix-header.c (symlink): Treat like readlink.
7192 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7194 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
7197 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
7199 * config/nextstep.h: Update HANDLE_PRAGMA macro.
7200 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
7201 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
7203 * config/nextstep.c (handle_pragma): Take three arguments, as per
7204 the new HANDLE_PRAGMA macro specification.
7205 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
7206 per the new HANDLE_PRAGMA macro specification.
7207 * config/i960/i960.c (process_pragma): Take three arguments, as
7208 per the new HANDLE_PRAGMA macro specification.
7210 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
7212 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
7213 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
7214 if unknown pragmas are encountered.
7215 (handle_sysv_pragma): Interpret return code from
7216 handle_pragma_token (). Return success/failure indication rather
7217 than next unprocessed character.
7218 (pragma_getc): New function: retrieves characters from the
7219 input stream. Defined when HANDLE_PRAGMA is enabled.
7220 (pragma_ungetc): New function: replaces characters back into the
7221 input stream. Defined when HANDLE_PRAGMA is enabled.
7223 * c-pragma.c (handle_pragma_token): Return success/failure status
7226 * c-pragma.h: Change prototype of handle_pragma_token().
7228 * varasm.c: (handle_pragma_weak): Only create this function if
7229 HANDLE_PRAGMA_WEAK is defined.
7231 * c-common,c (decl_attributes): If defined call the expression
7232 contained within the INSERT_ATTRIBUTES macro before adding
7233 attributes to a decl.
7235 * tm.texi (HANDLE_PRAGMA): Document the new verion of
7236 HANDLE_PRAGMA, which takes three arguments.
7237 (INSERT_ATTRIBUTES): Document this new macro.
7239 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
7240 new INSERT_ATTRIBUTES macro.
7242 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7244 * config/sparc/sparc.md (movdf): Only generate special RTL for
7245 LABEL_REFs when PIC.
7246 (move_label_di): Remove
7247 (movdi_pic_label_ref, movdi_high_pic_label_ref,
7248 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
7249 references when PIC.
7250 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
7251 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
7252 output an .xword for all 64-bit cases.
7254 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7256 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
7257 alignment, use FUNCTION_BOUNDARY instead.
7258 (sparc_output_deferred_case_vectors): Likewise.
7260 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7262 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
7263 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
7265 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
7267 * alpha/va_list.h: New file.
7268 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
7270 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
7272 * NEWS: Add SCO Openserver and Unixware 7 notes.
7276 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
7278 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
7279 (record_constant_1): Handle RANGE_EXPR.
7281 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
7283 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
7284 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
7285 and NOTE_INSN_RANGE_END specially.
7286 (reemit_notes): Likewise.
7288 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7290 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
7291 (ultrasparc_sched_init): Remove unneeded &.
7293 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7295 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
7296 for m68020-60, to prevent the use of fintrz.
7298 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
7300 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
7302 * Makefile.in: Likewise.
7303 * configure: Regenerated.
7305 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
7307 * configure.in (gxx_include_dir): Changed to
7308 '${prefix}/include/g++'-${libstdcxx_interface}.
7309 * configure: Rebuilt.
7311 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
7313 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
7315 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
7316 *sequences* *below* which scalar moves will be used.
7318 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
7320 * collect2.c (mktemp): Delete unused declaration.
7322 * config/xm-netbsd.h: Remove unnecessary file.
7323 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
7324 file anymore, it is not needed.
7326 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
7328 * convert.c (convert_to_integer): Issue an error on conversions to
7331 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
7333 * Makefile.in: Add lang_tree_files and gencheck.h.
7334 * configure.in: Generate them.
7335 * gencheck.c: Include gencheck.h.
7337 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7339 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
7340 movdi_lo_sum_pic and movdi_high_pic and make visible.
7341 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
7342 emit these when Pmode is not SImode.
7343 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
7345 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
7347 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
7348 .linkonce directive after the first time.
7350 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
7352 * m68k.md (beq0_di): Generate correct (and more efficient) code when
7353 the clobbered operand overlaps with an input.
7354 (bne0_di): Similarly.
7356 * Makefile.in (INSTALL): Remove "--no-header" argument.
7358 * NEWS: Various updates.
7360 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7362 * config/sparc/sparc.c (arith_operand, const64_operand,
7363 const64_high_operand, arith_double_4096_operand): Mark mode as
7365 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
7367 (sparc_emit_set_const64): Remove unused variable i.
7368 (sparc_splitdi_legitimate): Likewise for addr_part.
7369 (ultra_code_from_mask): Likewise for mask.
7370 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
7371 reverse return values so it matches usage and comments.
7372 (ultra_flush_pipeline): Likewise.
7373 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
7374 this_type, and allow loads and stores of differing FP modes as
7375 they do not create a conflict.
7376 (ultra_find_type): Initialize fpmode to SFmode, fix
7377 parenthesization thinkos in large conditional.
7378 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
7379 Init free_slot_mask after ultra_cur_hist is reset, not before.
7380 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
7381 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
7382 use ultra_flush_pipeline instead, then re-init group pointer.
7383 Fix statement with no effect. If no progress made in, and no
7384 instructions scheduled at all, advance to new pipeline cycle else
7385 we get into an endless loop.
7386 (ultrasparc_adjust_cost): Remove previous arg.
7387 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
7389 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
7391 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
7392 code. Use reg_overlap_mentioned_p to detect when source and
7393 destination overlap.
7394 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
7396 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
7398 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
7399 COMPARISON_VAL, into invariant_p.
7401 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7403 * regmove.c (regclass_compatible_p): New function.
7404 (regmove_optimize): Use it.
7406 Use NREGS parameter insted of calling max_reg_num.
7408 (fixup_match_1): Don't use code = MINUS when later tieing with
7409 a hard register is likely.
7411 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7413 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
7414 COMPARISON_VAL was normalized.
7416 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
7418 * loop.c (check_dbra_loop): The loop ending comparison value
7419 must be an invariant or we can not reverse the loop.
7421 * loop.c (scan_loop): Count down from max_reg_num - 1 to
7422 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
7424 (load_mems_and_recount_loop_regs_set): Likewise.
7426 * i386.c (print_operand): Remove obsolete 'c' docs.
7428 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
7430 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
7431 * frame.c (init_object_mutex): New function.
7432 (init_object_mutex_once): Likewise.
7433 (find_fde): Call it.
7434 (__register_frame_info): Likewise.
7435 (__register_frame_info_table): Likewise.
7436 (__deregister_frame_info): Likewise.
7438 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
7440 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
7442 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7444 * loop.c (check_dbra_loop): Enable code for reversal
7445 of some loops without a known constant loop end.
7447 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
7449 * haifa-sched.c (last_clock_var): New.
7450 (schedule_block): Initialize it.
7451 (schedule_insn): Use it to fill insn modes with issue information.
7453 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
7454 Tag trapb and next insn with TImode.
7455 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
7456 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
7457 Invoke alphaev5_align_insns as appropriate.
7458 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
7459 (MD_SCHED_VARIABLE_ISSUE): New.
7460 * alpha.md (attr type): Add multi.
7461 (define_asm_attributes): New.
7462 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
7463 (arg_home): Likewise.
7464 (fnop, unop, realign): New.
7466 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
7468 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
7469 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
7471 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
7472 (rs6000-ibm-aix4.[12]*): Likewise.
7473 * configure: Regnerate.
7475 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
7477 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
7478 already contains the return address.
7480 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
7482 * calls.c (expand_call): Use bitfield instructions to extract/deposit
7483 word sized hunks when loading unaligned args into registers.
7485 * haifa-sched.c (sched_analyze_insn): Only create scheduling
7486 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
7488 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
7490 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7492 * loop.c (check_dbra_loop): Add some code that would allow reversal
7493 of some loops without a known constant loop end if it were enabled.
7495 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
7497 * mips.md (lshrsi3_internal2+2): Fix type-o.
7499 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7501 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
7502 correctly with regards to stdio.h.
7504 * calls.c: Remove stdarg.h/varargs.h.
7507 * combine.c: Likewise.
7508 * cpperror.c: Likewise.
7509 * cpplib.c: Likewise.
7510 * cpplib.h: Likewise.
7511 * doprint.c: Likewise.
7512 * emit-rtl.c: Likewise.
7513 * final.c: Likewise.
7514 * fix-header.c: Likewise.
7516 * genattr.c: Likewise.
7517 * genattrtab.c: Likewise.
7518 * gencodes.c: Likewise.
7519 * genconfig.c: Likewise.
7520 * genemit.c: Likewise.
7521 * genextract.c: Likewise.
7522 * genflags.c: Likewise.
7523 * genopinit.c: Likewise.
7524 * genoutput.c: Likewise.
7525 * genpeep.c: Likewise.
7526 * genrecog.c: Likewise.
7527 * mips-tfile.c: Likewise.
7528 * prefix.c: Likewise.
7529 * protoize.c: Likewise.
7530 * regmove.c: Likewise.
7531 * toplev.c: Likewise.
7534 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7536 * config/sparc/sparc.c (sparc_override_options): If not
7537 TARGET_FPU, turn off TARGET_VIS.
7538 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
7539 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
7540 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
7541 (movdi_insn_sp64): Add VIS fzero alternative.
7542 (clear_sf, clear_df): New VIS patterns.
7543 (movsf, movdf expanders): Allow fp_zero_operand flat out when
7545 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
7547 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
7549 * loop.c (n_times_set, n_times_used, may_not_optimize,
7550 reg_single_usage): Convert to varrays. All uses changed.
7551 (insert_loop_mem): Return a value.
7552 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
7553 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
7556 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
7559 * configure.in: Do not set thread_file to "irix" since no such
7562 * sparc.md (float abs/neg splits): Check reload_completed before
7563 calling alter_subreg.
7565 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7567 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
7569 * config/sparc/sparc.h: Declare it.
7570 * config/sparc/sparc.md (float abs/neg splits): Use it.
7571 (all other splits): Handle SUBREGs properly where necessary.
7572 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
7574 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
7576 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
7577 an insn on the unfilled_slots_list that has no delay slots.
7578 (fill_eager_delay_slots): Similarly.
7580 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
7582 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
7583 as an ordinary operand.
7585 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
7587 * tree.c (valid_machine_attribute): Don't apply attributes to both
7590 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
7592 * reload.c (operands_match_p): Handle rtvecs.
7594 * i386.c (legitimate_pic_address_disp_p): New.
7595 (legitimate_address_p): Use it.
7596 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
7597 Handle constant pool symbols just like statics.
7598 (emit_pic_move): Use Pmode not SImode for clarity.
7599 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
7600 [UNSPEC]: New, handling what we killed above.
7601 [PLUS]: Detect and abort on invalid symbol arithmetic.
7602 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
7604 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
7606 * alias.c: Include output.h.
7607 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
7608 different if we're in a varargs function.
7609 * Makefile.in (alias.o): Depend on output.h
7611 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7613 * sh.h (GIV_SORT_CRITERION): Delete.
7615 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
7617 * regclass.c (regclass): Use xmalloc/free instead of alloca.
7618 * stupid.c (stupid_life_analysis): Ditto.
7619 * reload1.c (reload): Ditto.
7621 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7623 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
7624 arith_double_4096_operand, arith_double_add_operand): New
7626 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
7627 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
7628 them to transform add/sub 4096 into add/sub -4096.
7630 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7632 * loop.c (scan_loop): Allocate some slop to handle pseudos
7633 generated by move_movables.
7634 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
7637 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
7639 * tree.def (DECL_RESULT): Correct documentation.
7641 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7643 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
7644 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
7645 conflicts will all RELOAD_FOR_OUTPUT reloads.
7647 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
7648 loads the function result, substitute with a USE.
7650 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7652 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
7653 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
7654 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
7655 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
7656 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
7657 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
7659 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
7660 'o' to 'm' for GPR variant constraints.
7662 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
7664 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
7666 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
7668 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
7669 when the source and destination overlap.
7671 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
7672 clash with global type.
7674 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
7676 * fixinc.irix: Add curses.h handling from fixinc.wrap.
7678 * c-common.c (combine_strings): Also set TREE_READONLY.
7679 Change warn_write_strings to flag_const_strings.
7680 * c-decl.c, c-tree.h: Likewise.
7682 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7684 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
7685 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
7686 sequence, use SET/IOR instead so CSE can see it.
7687 * config/sparc/sparc.md (movhi_const64_special,
7688 movsi_const64_special): New patterns necessitated by that change.
7689 (movhi_high): Remove.
7690 (movhi_lo_sum): Change to match an IOR.
7691 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
7692 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
7693 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
7694 (movdf splits): Allow when not V9 or when not ARCH64 and integer
7695 registers are involved.
7696 (snesi_zero_extend split): Remove reload_completed test.
7697 (unnamed plus and minus zero_extend sidi splits): Add it.
7699 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
7701 * extend.texi: Remove description of extension to explicit
7702 instantiation that is now endorsed by standard C++.
7704 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7706 * config/arc/arc.c (arc_initialize_pic): Remove.
7707 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
7708 nothing on any platform and is invoked by no-one, it does not even
7709 appear in the documentation.
7710 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
7711 * config/sparc/sparc.c (initialize_pic): Likewise.
7712 (find_addr_reg): Remove this as well, no longer referenced after
7715 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
7717 * recog.c (validate_replace_rtx_group): New function.
7718 * recog.h (validate_replace_rtx_group): Declare it.
7719 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
7720 the entire group of substitutions.
7722 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
7724 * loop.c (load_mems): Fix initializers.
7726 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7728 * config/sparc/sparc.md (TFmode splits): Handle destination
7729 registers being referenced in the address correctly.
7731 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
7732 TREE_UNSIGNED, when bitsize of type's mode is larger than
7733 HOST_BITS_PER_WIDE_INT.
7735 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7737 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
7738 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
7739 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
7741 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
7744 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
7746 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
7747 * h8300.h (TINY_DATA_NAME_P): Likewise.
7748 (STRIP_NAME_ENCODING): Handle '&'.
7750 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
7751 register (it could be accessed via an outer SUBREG).
7752 (REG_OK_FOR_BASE_P): Likewwise.
7753 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
7755 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
7758 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
7760 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7762 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
7763 must be offsettable so the splits can be made.
7765 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
7767 * config/i386/winnt.c: Include system.h, not stdio.h to get
7768 sys/param.h pulled in before rtl.h in case the system defines MIN
7771 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
7773 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
7775 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
7777 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
7779 * cpplib.c (cpp_define): Handle macros with parameters.
7781 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7783 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
7784 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
7785 and DImode 64-bit. Use llong for minimal-toc SFmode and
7786 SYMBOL_REF / LABEL_REF 64-bit.
7787 (output_function_profiler): Use llong for profiler label and ld to
7788 load 64-bit label address.
7790 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
7792 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
7795 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
7797 * version.c: Bump for snapshot.
7799 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
7801 * version.c: Bump for snapshot.
7803 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
7805 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
7807 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
7809 * tm.texi (Misc): Fix typo "teh".
7811 * tm.texi (PIC): Fix typo "PPIC".
7813 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
7814 effect when -O2 and higher.
7815 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
7817 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
7819 * regclass.c: Changed register set documentation to be consistent
7822 * final.c (final_start_function) Removed redundant test for
7825 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
7827 * rtl.h (rtx_function): New type.
7828 (for_each_rtx): New function.
7829 * rtlanal.c (for_each_rtx): Define it.
7831 * recog.c (change_t): New type.
7832 (change_objects, change_old_codes, change_locs, change_olds):
7834 (changes): New variable.
7835 (validate_change): Dynamically allocate room for more changes, if
7836 necessary. Uses changes array instead of change_objects, etc.
7837 (apply_change_group): Use changes array instead of
7838 change_objects, etc.
7840 * loop.c (loop_mem_info): New type.
7841 (loop_mems): New variable.
7842 (loop_mems_idx): Likewise.
7843 (looop_mems_allocated): Likewise.
7844 (scan_loop): Remove nregs parameter.
7845 (next_insn_in_loop): New function.
7846 (load_mems_and_recount_loop_regs_set): Likewise.
7847 (load_mems): Likewise.
7848 (insert_loop_mem): Likewise.
7849 (replace_loop_mem): Likewise.
7850 (replace_label): Likewise.
7851 (INSN_IN_RANGE_P): New macro.
7852 (loop_optimize): Don't pass max_reg_num() to scan_loop.
7853 (scan_loop): Remove nregs parameter, compute it after any new
7854 registers are created by load_mems. Use INSN_IN_RANGE_P and
7855 next_insn_in_loop rather than expanding them inline. Call
7856 load_mems to load memory into pseudos, if appropriate.
7857 (prescan_loop): Figure out whether or not there are jumps from the
7858 loop to targets other than the label immediately following the
7859 loop. Call insert_loop_mem to notice all the MEMs used in the
7860 loop, if it could be safe to pull MEMs into REGs for the duration
7862 (strength_reduce): Use next_insn_in_loop. Tweak comments.
7864 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
7866 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
7868 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7870 * config/sparc/sparc.c (finalize_pic): Check for the correct
7871 nonlocal_goto_receiver UNSPEC number.
7872 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
7873 making note of this dependency existing in sparc.c
7874 (negtf2_notv9 split): Give NEG SFmode.
7875 (negsf2): Fix insn output string.
7877 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
7879 * c-common.c (decl_attributes): Issue an error if the argument
7880 to alias is not a string.
7882 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
7884 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
7885 pending memory flush list.
7887 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
7889 (try_combine): Allow combining insns with REG_LIBCALL notes.
7891 * expr.c (emit_block_move): Do not call memcpy as a libcall
7892 instead build up a CALL_EXPR and call it like any other
7894 (clear_storage): Similarly for memset.
7896 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
7899 * Makefile.in (cplus-dem.o): Provide explicit rules for building
7902 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
7903 and REG_LIVE_LENGTH as successful substitutions are made.
7905 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7907 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
7908 statement after end of loop label.
7910 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7912 * config/sparc/sparc.c (ultra_types_avail): New variable.
7913 (ultra_build_types_avail): New function to record mask of insn
7914 types in ready list at this cycle.
7915 (ultrasparc_sched_reorder): Call it.
7916 (ultra_find_type): Use it to quicken the search. Also simplif
7917 dependency check, don't use rtx_equal_p because we know exactly
7918 what we are looking for.
7920 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
7922 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
7923 for architecture v4.
7925 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7927 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
7929 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
7930 movdf_const_intreg and helper splits): New patterns to move float
7931 constants into integer registers.
7932 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
7935 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
7938 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
7940 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
7942 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
7943 a BASE_REGS register is needed as an intermediate when copying
7944 a symbolic value into any register class other than BASE_REGS.
7946 * expr.c (move_by_pieces): No longer static. Remove prototype.
7947 * rtl.h (move_by_pieces): Add extern prototype.
7948 * mips.c (expand_block_move): Handle aligned straight line copy by
7949 calling move_by_pieces.
7951 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
7954 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
7956 * stmt.c (expand_end_loop): Tidy. Allow unconditional
7957 jumps out of the loop to be treated as part of the exit test.
7959 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7960 Jeff Law <law@cygnus.com>
7962 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
7963 * cplus-dem.c: Delete.
7965 * Makefile.in (fold-const.o): depend on $(RTL_H).
7967 * fold-const.c: Include rtl.h to get the prototype for
7968 `set_identifier_local_value'.
7970 * loop.c (express_from_1): Remove unused variable `tmp'.
7971 (combine_givs): cast the first argument of bzero to char *.
7973 * toplev.c (display_help): Remove unused variable `looking_for_start'.
7975 * c-decl.c (init_decl_processing): Remove unneeded &.
7977 * alpha.h (alpha_initialize_trampoline): Provide prototype.
7979 * except.c (set_exception_lang_code, set_exception_version_code):
7980 Change parameter from `short' to `int' to avoid using a gcc
7983 * except.h (set_exception_lang_code, set_exception_version_code):
7984 Likewise for prototypes.
7986 * flow.c (count_reg_references): Remove unused variables `regno'
7989 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
7991 * prefix.c (translate_name): Cast the result of `alloca'.
7993 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
7995 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7997 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
7999 (valid_dbcc_comparison_p): Mark mode argument as unused.
8000 (symbolic_operand): Likewise.
8001 (legitimize_pic_address): Likewise.
8002 (const_uint32_operand): Likewise.
8003 (const_sint32_operand): Likewise.
8004 * sched.c [!INSN_SCHEDULING]: Define only dummy function
8005 schedule_insns and comment out rest of file.
8007 * m68k.c (output_move_simode_const): Use subl to move a zero into an
8009 (output_move_[hq]imode): Likewise.
8011 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
8013 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
8014 * invoke.texi: Corresponding changes.
8016 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
8018 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
8020 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8022 * config/sparc/sparc.c (ultra_code_from_mask,
8023 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
8024 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
8025 ultrasparc_sched_init, ultrasparc_variable_issue,
8026 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
8027 functions to describe UltraSPARC pipeline exactly to Haifa.
8028 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
8029 as there is nothing the scheduler can do about it. Indicate that
8030 REG_DEP_OUTPUT's collide. Fixup formatting.
8031 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
8032 divide costs on Ultra for DImode.
8033 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
8035 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
8036 ieuN and add call_no_delay_slot to type list.
8037 (cti function unit): New unit for branches on UltraSPARC.
8038 (subx/addx insns): Set type to misc.
8039 (sidi zero/sign extension insns on arch64): Set type to shift.
8040 (sign_extendhidi2_insn): Set type to sload.
8042 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
8044 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
8045 (output_epilog): Use if != 0 for offset.
8046 (rs6000_fatal_bad_address): Prepare for Intl.
8047 * rs6000.h (rs6000_fatal_bad_address): Declare.
8048 * rs6000.md (movsfcc, movdfcc): Use else if.
8049 (elf_high): Use {liu|lis}.
8050 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
8051 (movsi): Use rs6000_fatal_bad_address.
8053 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
8055 * reload.c (find_equiv_reg): Reject equivalences separated
8056 by a volatile instruction.
8058 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8060 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
8062 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
8064 * alpha.md (movsicc): Fix mode mismatch.
8066 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
8068 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
8070 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
8072 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8074 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
8075 write-only modifier from operand 1 constraint.
8077 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8079 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
8080 emitting a XOR of -1 at the end, emit a NOT instead for combine's
8082 (sparc_emit_set_const64): Likewise, also when computing trailing
8083 bits do not negate low_bits and make fast_int an int.
8085 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
8087 * loop.c (add_label_notes): Do not ignore references to labels
8088 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
8089 * gcse.c (add_label_notes): Similarly.
8091 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
8093 * m68k.md (adddi_dilshr32): One of the operands must be a register.
8094 (adddi_dishl32): Similarly.
8096 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
8098 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
8099 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
8100 * cse.c (cse_basic_block): Add parens to shut up warnings.
8102 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8104 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
8105 sparc_emit_set_const64_longway, const64_is_2insns,
8106 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
8107 in 64-bit constant formation.
8108 * config/sparc/sparc.md (snesi_zero_extend split): Generate
8109 rtl for addx not subx.
8110 (define_insn movdi_const64_special): Make available even when
8111 HOST_BITS_PER_WIDE_INT is not 64.
8112 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
8113 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
8114 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
8115 instances of operand 1 inside a QI subreg.
8116 (xordi3_sp64_dbl): Remove '%' constraint for op1.
8117 (one_cmpldi2_sp64): Fix output string.
8118 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
8120 (unnamed arch64 ashift DI): Truncate shift count if greater than
8123 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8125 * expr.c (store_expr): Don't optimize away load-store pair
8126 when either source or destination have a side effect.
8128 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
8130 * genrecog.c (add_to_sequence): Fatal error if the modes of the
8131 operands of SET are incompatible.
8133 * alpha.md: Fix max and min patterns so modes of SET operands match.
8135 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
8137 * configure.in: Avoid [[ by using test and changequote.
8138 * configure: Rebuild.
8140 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8142 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
8144 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
8145 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
8146 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
8147 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
8148 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
8149 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
8150 Fix mismatching modes in SET operands.
8151 (conditional move patterns): Fix formatting.
8152 (unnamed subx arch64 pattern): Remove duplicate insn.
8154 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8156 * config/sparc/sparc.c (const64_operand, const64_high_operand):
8157 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
8158 (input_operand): Fixup test for what we accept for constant
8160 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
8162 (safe_constDI): Remove.
8163 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
8164 gen_safe_XOR64): New functions.
8165 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
8166 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
8168 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
8169 available when HOST_BITS_PER_WIDE_INT is not 64.
8170 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
8171 move before movdi_insn_sp64 pattern.
8172 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
8173 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
8174 symbolic_operand as predicate for second operand.
8175 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
8176 expander): Give set VOIDmode.
8178 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
8180 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
8182 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
8184 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
8186 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
8188 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
8190 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
8192 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
8194 * install.texi: Various SCO OpenServer tweaks.
8196 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
8198 * reload1.c (eliminate_regs_in_insn): Handle another case when
8199 eliminating the frame pointer to the hard frame pointer. Add
8200 missing ep->to_rtx check to one existing case.
8202 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
8204 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
8206 * tree.h: De-conditionalize init_priority code.
8208 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
8209 * collect2.c (NM_FLAGS): Change from -p to -n.
8211 * configure.in: Turn on collect2 for mipstx39-elf.
8212 Handle use_collect2=no properly.
8214 * c-common.c: De-conditionalize init_priority code.
8215 * collect2.c (extract_init_priority, sort_ids): New fns.
8216 (main): Call sort_ids.
8217 Move sequence_number to file scope.
8219 * configure.in: Handle --enable-init-priority.
8220 * c-common.c (attrs): Add A_INIT_PRIORITY.
8221 (init_attributes, decl_attributes): Likewise.
8222 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
8223 * tree.c (get_file_function_name_long): Split out...
8224 (get_file_function_name): ...from here.
8226 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
8228 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
8231 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
8233 * toplev.c (display_help): Add braces to shut up warnings.
8234 * tree.c (simple_cst_equal): Likewise.
8236 * fold-const.c (non_lvalue): Don't deal with null pointer
8238 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8240 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
8241 of any size to a pointer.
8243 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
8245 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
8247 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
8249 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
8250 which will be saved.
8251 * mn10300.md (prologue insn): Only save registers which need saving.
8252 (epilogue insn): Similarly.
8254 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
8257 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
8259 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
8260 VAR_DECL's in gp addressable sections.
8262 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
8264 * sparc.c: Change return <exp> to <exp>; return; in functions
8266 * sparc.md: Add empty semicolon statement after final label in
8269 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8271 * config/sparc/sparc.md (define_insn addx_extend): Rename to
8272 addx_extend_sp64, only allow when TARGET_ARCH64.
8273 (define_insn addx_extend_sp32 and split): Version that works when
8275 (define_insn subx_extend): Likewise.
8276 (define_split adddi3 and subdi3 with zero extension): Fixup and
8277 correct bugs when not TARGET_ARCH64.
8279 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
8281 * except.c (set_exception_lang_code, set_exception_version_code):
8282 Use prototype-style definition if __STDC__, to match declaration
8285 * genemit.c: Change FAIL and DONE macros not to use loops.
8287 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
8289 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
8290 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
8292 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
8294 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
8296 * README.g77: Update from Craig.
8298 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8300 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
8302 (safe_constDI sparc_emit_set_const64_quick1,
8303 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
8304 analyze_64bit_constant, const64_is_2insns,
8305 create_simple_focus_bits): Fix some bugs when compiled on real
8307 (function_arg_record_value_3, function_arg_record_value_2,
8308 function_arg_record_value): Add fully prototyped forward decls.
8309 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
8310 to cmpsi_insn and use on both 64 and 32 bit targets.
8311 (define_insn cmpsi_insn_sp64): Remove.
8312 (define_expand zero_extendsidi2): Allow for 32-bit target too.
8313 (define_insn zero_extendsidi2_insn): Rename to
8314 zero_extendsidi2_insn_sp64.
8315 (define_insn zero_extendsidi2_insn_sp32): New pattern and
8316 assosciated forced split for it.
8318 * config/sparc/sparc.c (const64_operand, const64_high_operand):
8320 * config/sparc/sparc.h: Declare them.
8321 (PREDICATE_CODES): Add them.
8322 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
8323 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
8325 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
8327 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
8328 in v9 case as the latter makes the Solaris assembler crash.
8330 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8332 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
8333 for TFmode when !v9. We require offsettable memory addresses.
8334 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
8335 DFmode register number conversions.
8336 * config/sparc/sparc.md (define_split DFmode moves): If register
8337 is a SUBREG do alter_subreg on it before using.
8338 (define_expand movtf): Fixup comment about alignment on v9.
8339 (define_split TFmode moves): Don't use gen_{high,low}part, create
8340 explicit SUBREGs instead.
8342 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
8344 * Makefile.in (mbchar.o): Depend on mbchar.c.
8346 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8347 Richard Henderson <rth@cygnus.com>
8349 Rewrite Sparc backend for better code generation and
8350 improved sparc64 support.
8351 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
8353 * config/sparc/sysv4.h: Likewise.
8354 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
8355 move_operand, v8plus_regcmp_op, emit_move_sequence,
8356 singlemove_string, doublemove_string, mem_aligned_8,
8357 output_move_double, output_move_quad, output_fp_move_double,
8358 move_quad_direction, output_fp_move_quad, output_scc_insn):
8360 (small_int_or_double): New predicate.
8361 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
8362 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
8363 old pic_{sethi,lo_sum}_si patterns.
8364 (mem_min_alignment): New generic function to replace
8365 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
8366 available and can test for arbitrary alignments. All callers
8368 (save_regs, restore_regs, build_big_number,
8369 output_function_prologue, output_cbranch, output_return,
8370 sparc_flat_save_restore, sparc_flat_output_function_prologue,
8371 sparc_flat_output_function_epilogue): Prettify
8373 (output_function_epilogue): Likewise and add code to output
8374 deferred case vectors.
8375 (output_v9branch): Likewise, add new arg INSN and use it to tack
8376 on branch prediction settings. All callers changed.
8377 (print_operand): Likewise and output %l44 for LO_SUMs when
8379 (sparc_splitdi_legitimate): New function to make sure DImode
8380 splits can be run properly when !arch64.
8381 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
8382 Reformat example code in comments.
8383 (set_extends): Remove UNSPEC/v8plus_clear_high case.
8384 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
8385 of deferred case vectors we need to output.
8386 (sparc_defer_case_vector): Record a case vector.
8387 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
8388 sparc_output_deferred_case_vectors): New functions to output them.
8389 (sparc_emit_set_const32): New function to form 32-bit constants in
8390 registers when that requires more than one instruction.
8391 (safe_constDI, sparc_emit_set_const64_quick1,
8392 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
8393 analyze_64bit_constant, const64_is_2insns,
8394 create_simple_focus_bits, sparc_emit_set_const64): New functions
8395 which do the same for 64-bit constants when arch64.
8396 (sparc_emit_set_symbolic_const64): New function to emit address
8397 loading for all code models on v9.
8398 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
8399 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
8400 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
8401 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
8402 inaccuracies in comments, add symbolic and text_segment operands
8403 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
8404 GENERAL_REGS in these cases as a temp REG is needed to load these
8405 addresses into a register properly.
8406 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
8408 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
8409 quads are guarenteed to have 16-byte alignment.
8410 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
8411 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
8412 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
8413 deferred case vector implementation.
8414 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
8415 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
8416 Generate "internal label - label" instead of "label - 1b".
8417 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
8418 (PREDICATE_CODES): Remove sparc_operand, move_operand,
8419 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
8421 (doublemove_string, output_block_move, output_fp_move_double,
8422 output_fp_move_quad, output_move_double, output_move_quad,
8423 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
8424 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
8425 (sparc_emit_set_const32, sparc_emit_set_const64,
8426 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
8427 mem_min_alignment, small_int_or_double): Add externs.
8428 * config/sparc/sparc.md: Document the many uses of UNSPEC and
8429 UNSPEC_VOLATILE in this backend.
8430 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
8431 unary to types which execute in it.
8432 (define_function_unit ieu_shift): Rename to ieu0.
8433 (define_function_unit ieu1): New, executes compare, call, and
8434 uncond_branch type insns.
8435 (define_function_units for type fdivs, fdivd, fsqrt): These
8436 execute in the fpu multiply unit not the adder on UltraSparc.
8437 (define_expand cmpdi): Disallow TARGET_V8PLUS.
8438 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
8439 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
8440 allows the arith_double_operand predicate and rHI constraint when
8442 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
8443 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
8444 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
8445 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
8446 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
8447 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
8448 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
8449 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
8450 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
8451 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
8452 sign_extendqihi2_insn, sign_extendqisi2_insn,
8453 sign_extendqidi2_insn, sign_extendhidi2_insn,
8454 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
8455 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
8456 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
8457 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
8458 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
8459 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
8460 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
8461 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
8462 smulsi3_highpart_v8plus, unnamed subreg mult,
8463 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
8464 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
8465 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
8466 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
8467 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
8468 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
8469 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
8470 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
8471 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
8472 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
8473 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
8474 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
8475 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
8476 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
8477 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
8478 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
8479 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
8480 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
8481 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
8482 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
8483 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
8484 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
8485 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
8486 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
8487 call_address_untyped_struct_value_sp32,
8488 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
8489 call_value_symbolic_sp32, call_value_address_sp64,
8490 call_value_symbolic_sp64, branch_sp32, branch_sp64,
8491 flush_register_windows, goto_handler_and_restore,
8492 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
8493 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
8494 return_addsi, return_di, return_adddi, return_sf, all call+jump
8495 peepholes, trap, unnamed trap insns): Prettify output strings.
8496 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
8497 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
8498 Likewise and force + implement splits for integer cases.
8499 (define_insn return_sf_no_fpu): Likewise and allow to match when
8500 no-fpu because of our subreg SFmode splits.
8501 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
8502 zero_extendqidi2_insn, zero_extendhidi2_insn,
8503 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
8504 input_operand for second operand.
8505 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
8506 reg_or_0_operand for operand 2 so new splits can use it.
8507 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
8508 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
8510 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
8511 CONST_DOUBLEs for operand 2.
8512 (define_insn move_label_di): Likewise and label distance
8513 optimization because it no longer works with new deferred case
8514 vector scheme. To be revisited.
8515 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
8516 and allow reg_or_0_operand and J constraint for second operand.
8517 (define_insn jump): Set branch predict taken on V9.
8518 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
8519 new deferred case vector scheme.
8520 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
8521 (define_insn negdi2_sp32): Force + implement splits.
8522 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
8523 one_cmplsi2_not_liveg0 respectively, and create expander of original
8524 names which emit special rtl for TARGET_LIVE_G0.
8525 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
8526 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
8527 gen_compare_reg, FAIL instead.
8528 (define_insn sgtu, sleu): Likewise and check gen_s*() return
8529 values when trying to reverse condition codes, if they FAIL then
8531 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
8532 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
8533 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
8534 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
8535 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
8536 set output string to # to indicate they are mandatory splits.
8537 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
8538 pic_sethi_di, move_pic_label_si): Remove.
8539 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
8540 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
8542 (define_expand movsi_pic_label_ref, define_insn
8543 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
8544 expander and insns to handle PIC label references and deferred
8546 (define_insn get_pc_via_rdpc): Comment out as it is no longer
8548 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
8549 Rewrite to not use emit_move_sequence, make use of new constant
8550 formation code, and new splits for all multi-insn cases.
8551 (define_insn movqi_insn): Remove sethi case, it can never happen.
8552 Use reg_or_zero_operand instead of const0_rtx explicit test,
8553 use input_operand instead of move_operand for source, and use
8554 general_operand now for dest.
8555 (define_insn movhi_insn): Similar but leave sethi case.
8556 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
8557 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
8558 movhi_lo_sum respectively, prettify output string.
8559 (define_insn movsi_zero_liveg0): New pattern to put zero into a
8560 register when needed on TARGET_LIVE_G0.
8561 (define_insn movsi_insn): Use general_operand and input_operand
8562 for dest and src respectively. Simplify applicability test.
8563 Prettify output strings, and add clr alternative for J
8565 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
8566 deprecated std and reg-reg DI moves): Remove and...
8567 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
8568 implementation which uses forced splits for all non-single insn
8570 (define_split DI move cases on !arch64): New splits to handle all
8571 situations of 64-bit double register DImode on 32bit, and
8572 unaligned registers and memory addresses for all subtargets.
8573 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
8575 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
8576 input_operand for dest and src respectively, prettify output
8578 (define_insn movdf_insn, movdf_no_e_insn, store_df,
8579 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
8581 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
8582 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
8583 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
8584 movtf_no_e_insn_sp64) Replace with new
8585 implementation which uses forced splits for all non-single insn
8587 (define_split DF move cases): New splits in similar vein to DI
8589 (define_insn sethi_di_medlow, sethi_di_medium_pic,
8590 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
8591 movdi_sp64_insn): Remove old v9 code model and constant loading
8593 (define_insn pic_lo_sum_di, pic_sethi_di,
8594 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
8595 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
8596 embmedany_sethi, embmedany_losum, embmedany_brsum,
8597 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
8598 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
8599 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
8600 scheme, using unspecs, secondary reloads, and one to one sparc
8601 insn to rtl insn mapping for better scheduling and code gen.
8602 (define_expand reload_indi, reload_outdi): Reload helpers for
8603 MEDANY and EMBMEDANY symbol address loading cases which require a
8605 (define_expand movsicc): Remove v8plus_regcmp cases.
8606 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
8607 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
8608 cmp_diqi_trunc_set): New patterns used by some of the new scc
8610 (define_insn xordi3_sp64_dbl): New pattern used for constant
8611 formation when crossing from 32-bit targets.
8612 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
8614 (define_insn addx, subx): Make visible and prettify.
8615 (define_insn adddi3_insn_sp32): Likewise and force split.
8616 (define_insn addx_extend, subx_extend, unnamed): New patterns for
8617 64bit scc split usage.
8618 (define_insn unnamed plusDI zero_extend, unnamed minusDI
8619 zero_extend, subdi3): Force and implement splits.
8621 * final.c (final_scan_insn): Don't output labels if target
8622 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
8625 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
8626 don't forget to walk inside SEQUENCESs too as these are what the
8627 delay slot scheduler will create.
8629 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
8631 * alpha.md (extxl+1,+2): New patterns to work around
8634 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
8636 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
8637 caused bad assembly code to be generated.
8639 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
8641 * netbsd.h: Fix typo.
8643 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
8645 * config.sub: Fix typo.
8647 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
8649 * invoke.texi (Environment Variables): Typo: Change "ascpects"
8651 (Running Protoize): Typo: Change "ther" into "other".
8653 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
8655 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
8656 * m68k/netbsd.h: Likewise.
8657 * ns32k/netbsd.h: Likewise.
8658 * sparc/netbsd.h: Likewise.
8660 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
8662 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
8663 * ginclude/va-clipper.h (va_list): Likewise.
8665 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
8667 * rs6000.c (rs6000_override_options): If big endian and -Os, use
8668 load/store multiple instructions unless user overrides.
8670 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
8672 * ns32k/netbsd.h: Fix typo.
8674 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
8676 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
8677 labels with .debugsym if no parallel insns.
8679 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
8681 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
8682 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
8684 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
8686 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
8687 (AR_FOR_TARGET): Define.
8689 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
8691 * dyn-string.h: New file.
8692 * dyn-string.c: Likewise.
8693 * Makefile.in (OBJS): Add dyn-string.o.
8694 (dwarf2out.o): Add dyn-string.h dependency.
8695 (dyn-string.o): List dependencies.
8696 * dwarf2out.c: Include dyn-string.h.
8697 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
8698 (addr_const_to_string): Take a dyn_string_t, not a char* as a
8699 prototype. Use dyn_string_append rather than strcat, throughout.
8700 (addr_to_string): Use dyn_string_t.
8702 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
8704 Function entry/exit profiling instrumentation:
8705 * expr.h (profile_function_entry_libfunc,
8706 profile_function_exit_libfunc): Declare new variables.
8707 * optabs.c: Define them here.
8708 (init_optabs): Initialize them.
8709 * tree.h (struct tree_decl): New flag
8710 no_instrument_function_entry_exit.
8711 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
8712 * c-decl.c (duplicate_decls): Merge it.
8713 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
8714 (init_attributes): Use it for "no_instrument_function".
8715 (decl_attributes): Handle it, for functions that have not yet been
8716 compiled. Set decl flag.
8717 * flags.h (flag_instrument_function_entry_exit): Declare new
8719 * toplev.c (flag_instrument_function_entry_exit): Define it here.
8720 (f_options): New option "instrument-functions".
8721 * function.h (struct function): New field instrument_entry_exit.
8722 * function.c (current_function_instrument_entry_exit): New
8724 (push_function_context_to, pop_function_context_from): Save and
8726 (expand_function_start): Set current_ variable, maybe emit return
8727 label and entry profile call.
8728 (expand_function_end): Maybe emit exit profile call.
8730 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
8732 * i386.md (movqi): When optimizing a load of (const_int 1) into a
8733 NON_QI_REG_P, pretend the register is SImode.
8735 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
8737 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
8738 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
8739 manufacturer id for ns32k.
8740 * configure: Regenerated.
8741 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
8742 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
8743 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
8744 * config/m68k/netbsd.h: Same.
8745 * config/ns32k/netbsd.h: Same.
8746 * config/sparc/netbsd.h: Same.
8748 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
8750 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
8751 or UNROLL_COMPLETELY loop that starts with a jump to its
8754 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
8756 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
8757 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
8758 (print_operand, case 'B'): Don't fall through.
8759 (print_operand, case 'S'): Correct mask begin/end computation.
8760 Use HOST_BITS_PER_WIDE_INT.
8761 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
8762 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
8763 * rs6000/aix41.h (CPP_PREDEFINES): Same.
8764 * rs6000/aix43.h (CPP_PREDEFINES): Same.
8766 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
8768 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
8769 constraint from second alternative.
8771 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8773 * configure.in: Fix --without/--disable cases for local-prefix,
8774 gxx-include-dir and checking.
8776 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8778 * configure.in (enable_haifa): Set by default for sparc64 too.
8781 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8783 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
8784 * i386/winnt.c (associated_type): New fn.
8785 (i386_pe_valid_type_attribute_p): New fn.
8786 (i386_pe_check_vtable_importexport): Remove.
8787 (i386_pe_dllexport_p): Use associated_type.
8788 (i386_pe_dllimport_p): Likewise.
8790 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
8791 * i386.c (i386_valid_type_attribute_p): Also accept
8792 attributes for METHOD_TYPEs.
8794 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
8796 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
8798 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
8800 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
8802 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
8803 them from generating a new base name for each occurence of
8806 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
8808 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
8810 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
8814 * cplus-dem.c (type_kind_t): New type.
8815 (demangle_template_value_parm): Add type_kind_t parameter. Rely
8816 on this paramter, rather than demangling the type again.
8817 (demangle_integral_value): Pass tk_integral.
8818 (demangle_template_: Pass the value returned from do_type.
8819 (do_type): Return a type_kind_t. Pass tk_integral to
8820 demangle_template_value_parm for array bounds.
8821 (demangle_fund_type): Likewise.
8823 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
8825 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
8828 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
8830 * pa.c (move_operand): Accept CONSTANT_P_RTX.
8832 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
8834 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
8836 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
8839 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
8841 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
8842 (DEBUGGER_ARG_OFFSET): Likewise.
8844 * mn10300.md (movsf): Remove last change. Not needed.
8846 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
8848 * c-lex.c (yylex): Fix boundary conditions in character literal and
8849 string literal loops.
8851 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
8853 * longlong.h (count_leading_zeros): Sparclite scan instruction was
8854 being invoked incorrectly.
8856 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
8857 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
8859 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
8860 * configure.in: Added i[34567]86-*-win32
8861 * config.sub: Ditto.
8862 * configure: Rebuilt.
8864 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
8866 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
8867 the frame pointer and compiling PIC code and reload has not completed.
8869 * i386.c (output_to_reg): Add code to emulate non-popping DImode
8872 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
8874 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
8876 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8878 * Makefile.in (install-info): Only try to update the info
8879 directory file if it exists in the first place.
8881 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
8883 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
8885 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
8887 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
8888 CONST_DOUBLE source.
8890 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
8892 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
8893 strings as the insertion of USER_LABEL_PREFIX.
8894 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
8896 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
8899 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
8901 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
8902 already defined type.
8904 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
8906 * expr.c (check_max_integer_computation_mode): Allow conversions
8907 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
8908 (expand_expr): Likewise.
8910 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8912 * expr.c (expand_expr): Expand RETURN_EXPR.
8914 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
8916 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
8918 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
8920 * dwarf2out.c (output_aranges): Call stripattributes
8921 for TEXT_SECTION references.
8922 (output_line_info): Likewise.
8924 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8926 * profile.c (branch_prob): Call allocate_reg_info after outputting
8927 profile rtl in instrument_arcs.
8929 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
8931 * fixinc.irix (math.h): Install wrapper instead of copying.
8933 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8935 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
8936 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
8937 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
8938 lang_flag_0. Added documentation in the flag table.
8940 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
8942 * cccp.c (do_include): Fix vax c style include handling.
8944 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
8946 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
8948 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
8950 * fold-const.c (non_lvalue): Don't deal with null pointer
8952 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8954 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
8956 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
8957 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
8958 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
8959 (u_short_cint_operand): Same.
8960 (reg_or_cint_operand): Same.
8961 (logical_operand): Same.
8962 (input_operand): Same.
8963 (reg_or_short_operand): Use u_short_cint_operand.
8965 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
8967 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
8968 but keep the insns and splits. Adjust so when the ultimate destination
8969 is memory, use cvtql.
8971 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
8973 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
8975 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
8977 * gcc.c (do_spec): Call "error" not "warning".
8979 * configure.in: Fix minor problems with gas feature detection code.
8980 * configure: Rebuilt.
8982 * gcc.c (do_spec): Issue a warning for '%[]' usage.
8985 * gcc.c: Delete %[spec] support.
8986 (do_spec_1, case '('): Likewise.
8987 (do_spec_1, case '['): Call error.
8989 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
8991 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
8992 (CPP_SUBTARGET_SPEC): Default to empty string.
8993 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
8994 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
8995 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
8996 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
8998 * alpha/linux.h (CPP_PREDEFINES): Tidy.
8999 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
9000 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
9001 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
9002 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
9003 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
9004 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
9005 * alpha/vxworks.h: Likewise.
9007 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
9009 * mips.md (reload_outsi): Added missing REGNO call.
9010 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
9012 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
9013 another match_operator and compare the codes.
9015 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
9017 * MIPS multiply pattern fixes:
9018 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
9019 Add union classes for HI, LO, or HILO plus general registers.
9020 (GENERATE_MADD): Deleted.
9021 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
9022 Add TARGET_MAD to condition.
9023 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
9024 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
9025 "*d" for accumulator, to give preference to LO initially but not
9028 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
9030 * configure.in (enable_c_mbchar): New configure option.
9031 (extra_cpp_objs): Always available now.
9033 * cexp.y (mbchar.h): #include it.
9034 (yylex): Handle Multibyte characters in character literals.
9036 * cccp.c (mbchar.h): #include it.
9037 (main): Set character set based on LANG environment variable.
9038 (rescan): Handle multibyte characters in comments.
9039 (skip_if_group): See above.
9040 (validate_else): See above.
9041 (skip_to_end_of_comment): See above.
9042 (macarg1): See above.
9043 (discard_comments): See above.
9044 (rescan): Handle multibyte characters in string and character literals.
9045 (collect_expansion): See above.
9046 (skip_quoted_string): See above.
9047 (macroexpand): See above.
9048 (macarg1): See above.
9049 (discard_comments): See above.
9050 (change_newlines): See above.
9052 * c-lex.c (mbchar.h): #include it.
9053 (GET_ENVIRONMENT): New macro.
9054 (init_lex): Set character set based on LANG environment variable.
9055 (yylex): Handle multibyte characters in character literals.
9056 (yylex): Handle multibyte characters in string literals.
9058 * Makefile.in (mbchar.o): New target.
9059 (cccp$(exeext)): @extra_cpp_objs@ is always available.
9060 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
9062 * mbchar.[ch]: New files for multibyte character handling.
9064 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9066 * jump.c (jump_optimize): When simplifying noop moves and
9067 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
9068 the PUSHes to rewrite in second loop as we did in the first.
9070 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9072 * cplus-dem.c (demangle_nested_args): Make function definition
9073 static to match the prototype.
9075 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
9077 * alloca.c: Respect USE_C_ALLOCA.
9078 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
9079 * gengenrtl.c (xmalloc): Likewise.
9081 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
9083 * loop.h (struct induction): Add no_const_addval.
9084 * loop.c (the_movables, reg_address_cost): New variables.
9085 (init_loop): Init reg_address_cost.
9086 (loop_optimize): Call end_alias_analysis.
9087 (scan_loop): Init the_movables.
9088 (record_giv): Init induction->no_const_addval.
9089 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
9090 [REG]: Rearrange loop search test to catch more cases.
9091 (general_induction_var): Return success not benefit; take an extra
9092 argument for that. Change all callers.
9093 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
9094 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
9095 [default]: Search the_movables for additional combinations.
9096 (sge_plus_constant, sge_plus): New functions.
9097 (express_from_1): New function.
9098 (express_from): Always define. Rewrite using express_from_1.
9099 (combine_givs_p): Handle more cases. Ignore address cost.
9100 (cmp_combine_givs_stats): New function.
9101 (combine_givs_used_once, combine_givs_benefit_from): New functions.
9102 (combine_givs): Rewrite to do best-fit combination.
9104 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
9105 (fold): Do a complete (A*C)+(B*C) association check.
9107 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
9109 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
9111 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
9113 * mn10300.c (MODES_TIEABLE_P): Fix typo.
9115 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
9117 * tree.c (valid_machine_attribute): Only create a new type variant if
9118 there is a decl to use it.
9120 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
9122 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
9125 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
9127 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
9130 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
9132 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
9133 Simplify tests for clearing an address register.
9134 (expand_prologue): Corresponding changes.
9136 * mn10300.md (movXX patterns): Make sure the destination is an
9137 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
9138 (logical patterns): Split into expanders + patterns
9139 (zero and sign extension patterns): Similarly.
9140 (shift patterns): Similarly.
9142 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
9144 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
9145 for the sequence, recording base values.
9147 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
9149 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
9151 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
9153 * gcc.c: Remove ANSI-C ism from --help code.
9155 * toplev.c: Support --help with USE_CPPLIB.
9157 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
9159 * configure.in: Rework gas feature code to work with symlink based
9162 * extend.texi: Clarify some issues related to local variables
9163 assigned to explicit registers.
9165 * mn10300.md (mulsi): Turn into expander + pattern.
9167 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
9170 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
9172 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
9174 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
9176 * version.c: Bump again to distinguish mainline tree from the
9179 See ChangeLog.0 for earlier changes.
9182 add-log-time-format: current-time-string