1 Sun Jan 17 19:23:20 1999 Jeffrey A Law (law@cygnus.com)
3 * regmove.c (optimize_reg_copy_1): Undo Aug 18 change. Update
4 REG_N_CALLS_CROSSED and REG_LIVE_LENGH if and only if we change
5 where a register is live.
7 Sun Jan 17 03:20:47 1999 H.J. Lu (hjl@gnu.org)
9 * reg-stack.c (subst_stack_regs_pat): Abort if the destination
10 of a FP conditional move is not on the FP register stack.
12 Sun Jan 17 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
14 * version.c: Bump for snapshot.
16 Sat Jan 16 23:40:33 1999 Jeffrey A Law (law@cygnus.com)
18 * reload1.c (reload_cse_regs_1): Do not call
19 reload_cse_simplify_operands for an insn with asm operands.
21 * cccp.c (print_help): Fix typos.
22 * cpplib.c (print_help): Fix typos.
23 * toplev.c (f_optiosn): Fix typos.
24 (documented_lang_options): Fix typos.
26 Sat Jan 16 21:48:17 1999 Marc Espie (Marc.Espie@openbsd.org)
28 * gcc.c: (do_spec_1): Fix obvious typo.
30 Sat Jan 16 19:31:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
32 * c-decl.c (duplicate_decls): If `warn_traditional', warn when
33 a non-static function declaration follows a static one.
35 * invoke.texi (-Wtraditional): Document the extra check now done
38 Sat Jan 16 15:13:46 1999 Jeffrey A Law (law@cygnus.com)
40 * pa.md (shadd): Create shadd insns, even if the result of the shift is
41 needed without the addition.
43 Sat Jan 16 10:48:16 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
45 * sh.md (movdf, movsf): Temporary workaround for no_new_pseudos lossage.
47 Fri Jan 15 23:44:37 1999 Richard Henderson <rth@cygnus.com>
49 * sparc.c (sparc_issue): Add hypersparc/sparclite86x entries.
51 Fri Jan 15 22:30:04 1999 David Edelsohn <edelsohn@mhpcc.edu>
53 * rs6000.h (CONST_OK_FOR_LETTER_P): Do not assume 32-bit CONST_INT.
54 * rs6000.c (u_short_cint_operand, add_operand, logical_operand,
55 non_add_cint_operand, non_logical_cint_operand): Likewise.
56 (get_issue_rate): Add CPU_PPC604E case.
57 * rs6000.md (movdi, !TARGET_POWERPC64 splitters): Handle 64-bit hosts.
59 Fri Jan 15 18:42:12 1999 Richard Henderson <rth@cygnus.com>
61 * expr.c (queued_subexp_p): Make public.
62 * expr.h (queued_subexp_p): Declare it.
63 * recog.c (asm_operand_ok): New function.
64 (check_asm_operands): Use it. After reload, use constrain_operands
66 * recog.h (asm_operand_ok): Declare it.
67 * stmt.c (expand_asm_operands): Use it to try harder to make
68 asms initially satisfy their constraints.
70 Fri Jan 15 17:43:59 1999 Jeffrey A. Law <law@rtl.cygnus.com>
72 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do not create
73 (mem (lo_sum (...)) for TFmode unless TARGET_V9.
75 Sat Jan 16 12:47:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
77 * config/c4x/c4x.md (not_repeat_reg): Allow ldp instruction
78 in delay slot of RPTBD.
80 Sat Jan 16 12:26:40 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
82 * config/c4x/libgcc.S (___divhi3, ___modhi3): Fix long long
83 divide and modulo sign problem.
85 Fri Jan 15 11:02:31 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
87 * unroll.c (loop_iterations): Return 0 if the last loop insn
88 is not a jump insn or if the loop has multiple back edges.
90 Thu Jan 14 22:38:41 1999 Jeffrey A Law (law@cygnus.com)
92 * unroll.c (find_splittable_givs): For a DEST_ADDR giv, do not share
93 a register with another DEST_ADDR giv if the address is not valid.
95 * pa.c (hppa_expand_epilogue): Save and restore the static chain
96 around the call to mcount.
98 * h8300.h (ASM_OUTPUT_LABELREF): Use asm_fprintf, not fprintf.
100 * stmt.c (expand_end_case): Use emit_cmp_and_jump_insns to avoid
101 generating non-canonical rtl.
103 1999-01-14 Vladimir N. Makarov <vmakarov@cygnus.com>
105 * config/i960/i960.c (i960_output_move_double_zero,
106 i960_output_move_quad_zero): New functions for moving zeros.
107 (i960_output_move_double, i960_output_move_quad): Additional code
108 for situation when moving unaligned register group.
110 * config/i960/i960.h (i960_output_move_double_zero,
111 i960_output_move_quad_zero): The function definitions.
113 * config/i960/i960.md (movdi+1, movti+1): Usage of the functions.
115 1999-01-13 Vladimir N. Makarov <vmakarov@cygnus.com>
117 * config/i960/i960.c (i960_function_prologue): New code (optimal
118 solution) for saving global registers in local registers.
119 (form_reg_groups, reg_group_compare, split_reg_group): New
120 functions used by the code.
121 (reg_group): New structure definition for the new code.
123 Wed Jan 13 20:12:37 1999 Richard Henderson <rth@cygnus.com>
125 * integrate.c (expand_inline_function): Recognize (mem (addressof))
126 and substitute. Copy the return value from there into a new pseudo.
128 Wed Jan 13 16:47:00 1999 Catherine Moore <clm@cygnus.com>
130 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
131 before generating a call to abort for volatile functions.
132 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
133 (TARGET_ABORT_NORETURN): Define.
134 (abort-on-noreturn): New option.
136 Thu Jan 14 13:52:42 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
138 * config/c4x/c4x.md (in_annul_slot_3): Correctly allow unarycc
139 and binarycc operations in 3rd annulled delay slot!
141 Wed Jan 13 16:16:44 1999 Catherine Moore <clm@cygnus.com>
143 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
144 before generating a call to abort for volatile functions.
145 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
146 (TARGET_ABORT_NORETURN): Define.
147 (abort-on-noreturn): New option.
149 Wed Jan 13 13:30:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
151 * cccp.c (xstrdup): Renamed from `savestring'. All callers changed.
152 Remove prototype which we get from libiberty.h.
154 * collect2.c (xstrdup): Likewise.
156 * genextract.c (xstrdup): Likewise for `copystr'.
157 (mybzero): Remove it and use `memset' instead.
159 * genoutput.c (mybcopy, mybzero): Remove these. All callers changed
160 to use `memcpy' and `memset' instead.
162 * genrecog.c (xstrdup): Renamed from `copystr'. All callers
163 changed. Remove prototype.
164 (mybcopy, mybzero): Remove these and use memcpy/memset.
166 Wed Jan 13 00:59:04 1999 Jeffrey A Law (law@cygnus.com)
168 * mips.h (LOAD_EXTEND_OP): Correct for SImode and CCmode moves when
169 generating code for TARGET_64BIT.
171 Tue Jan 12 14:05:37 1999 David Edelsohn <edelsohn@mhpcc.edu>
173 * rs6000.c (print_operand, cases 'm' and 'M'): Do not depend on
174 HOST_WIDE_INT word-size.
175 (rs6000_stack_info): Remove redundant alignment of fpmem.
177 Tue Jan 12 14:05:37 1999 Richard Henderson <rth@cygnus.com>
179 * rs6000.c (short_cint_operand): Remove CONSTANT_P_RTX handling.
180 (u_short_cint_operand, reg_or_cint_operand, logical_operand): Likewise.
181 (input_operand): Adjust CONSTANT_P_RTX handling.
182 * rs6000.h (PREDICATE_CODES): Remove CONSTANT_P_RTX references.
183 * rs6000.md (movsi): Adjust CONSTANT_P_RTX handling.
184 (movhi, movqi): Remove CONSANT_P_RTX handling.
185 (movdi): Adjust CONSTANT_P_RTX handling.
187 Tue Jan 12 10:23:24 1999 Stan Cox <scox@cygnus.com>
189 * mips.md (call_value_internal3c): New pattern for -mips16 -mlong-calls.
191 1999-01-12 Manfred Hollstein <manfred@s-direktnet.de>
193 * m68k/mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
194 ensure all prototypes necessary for building libio will be available.
195 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Remove
196 definitions here as they are not host specific.
197 * m88k/sysv3.h, m88k/xm-sysv3.h: Likewise.
199 Tue Jan 12 02:53:46 1999 Richard Henderson <rth@cygnus.com>
201 * cse.c (cse_insn): Never prefer (const (constant_p_rtx)).
203 Tue Jan 12 02:36:10 PST 1999 Jeff Law (law@cygnus.com)
205 * version.c: Bump for snapshot.
207 Tue Jan 12 01:30:19 1999 Richard Henderson <rth@cygnus.com>
209 * rtl.c (rtx_alloc): Use memset instead of inline loop.
211 * recog.h (recog_op_alt): Declare extern.
213 Tue Jan 12 00:23:31 1999 Richard Henderson <rth@cygnus.com>
215 * function.c (purge_addressof_1): If the note accesses a mem+addressof
216 in a wider mode than any replacement, adjust the cached replacement.
217 Cache trivial substitutions as well.
219 Tue Jan 12 00:06:00 1999 Richard Henderson <rth@cygnus.com>
221 * Makefile.in (OBJECTS): Add sbitmap.o.
222 (BASIC_BLOCK_H): Add sbitmap.h.
223 * basic-block.h: Move simple bitmap code to sbitmap.h.
224 * flow.c: Move simple bitmap code to sbitmap.c
225 * sbitmap.h, sbitmap.c: New files.
227 Mon Jan 11 23:51:50 1999 Richard Henderson <rth@cygnus.com>
229 * alpha.h (TARGET_SWITCHES): Document switches.
230 (TARGET_OPTIONS): Likewise.
232 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Use HOST_WIDE_INT_PRINT_DEC.
234 Mon Jan 11 22:54:14 1999 Richard Henderson <rth@cygnus.com>
236 * tree.c (new_alias_set): Return zero if !flag_strict_aliasing.
238 Mon Jan 11 22:36:01 1999 Richard Henderson <rth@cygnus.com>
240 * basic-block.h (basic_block_head): Rename to x_basic_block_head.
241 (basic_block_end): Rename to x_basic_block_end.
242 (BLOCK_HEAD, BLOCK_END): Update.
244 * caller-save.c: Change basic_block_head/end references to
246 * combine.c, flow.c, function.c, gcse.c, global.c: Likewise.
247 * graph.c, haifa-sched.c, local-alloc.c, regclass.c: Likewise.
248 * regmove.c, reload1.c, reorg.c, sched.c: Likewise.
250 Sat Jan 9 23:54:09 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
252 * gcc.c (xstrerror): Renamed from my_strerror. All callers
253 changed. Remove prototype since we get that from libiberty.h.
255 * protoize.c (xstrerror): Likewise.
257 Sat Jan 9 23:22:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
259 * gcc.c (read_specs): Ensure format specifiers match their arguments.
261 Sat Jan 9 20:04:24 1999 Richard Henderson <rth@cygnus.com>
263 * tree.c (copy_node): Oops. That would be copy not zero
266 Sun Jan 10 15:35:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
268 * config/c4x/c4x.c: Include system.h.
269 (c4x_caller_save_map): Disable caller save for RC.
270 (c4x_optimization_options): Disable scheduling before reload.
271 (valid_parallel_load_store) : Define return type as int.
272 Remove unused variable regs.
273 * config/c4x/c4x.h (REGISTER_MOVE_COST): Make independent of register
275 * config/c4x/c4x.md (rotlqi3, rotrqi3): Fix up emitted RTL to
277 (*db, decrement_and_branch_until_zero): Fix up constraints
278 to keep reload happy.
280 Sat Jan 9 18:35:29 1999 Richard Henderson <rth@cygnus.com>
282 * tree.c (make_node): Call bzero instead of inline clear.
283 (copy_node, make_tree_vec, build1): Likewise.
284 (get_identifier): Call strlen instead of inline count.
285 (maybe_get_identifier): Likewise.
287 Sun Jan 10 14:04:51 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
289 * config/c4x/c4x.md: (in_annul_slot_3): Allow unarycc and binarycc
290 operations in 3rd annulled delay slot.
291 (*lshrqi3_const_set): Disallow c constraint for operand0.
292 (modhi3+1, modhi3+2): Set attribute type to multi.
293 * config/c4x/c4x.c (c4x_S_constraint): Removed space in middle of
296 Sat Jan 9 11:44:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
298 * gansidecl.h: Allow attribute unused on labels only when we are
299 version 2.93 or higher. Not all versions of 2.92 have this feature.
301 * version.c: Bump minor number to 93.
303 Fri Jan 8 10:51:13 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
305 * config/m68k/m68k.h: Declare output_function_epilogue.
306 * recog.h: Declare next_insn_tests_no_inequality.
308 Fri Jan 8 01:43:53 1999 Jeffrey A Law (law@cygnus.com)
310 * stmt.c (optimize_tail_recursion): New function, extracted from ...
311 (expand_return): Use optimize_tail_recursion.
312 * tree.h (optimize_tail_recursion): Declare.
314 * toplev.c (compile_file): Move call to output_func_start_profiler
315 to after the loop to emit deferred functions.
317 Thu Jan 7 19:52:53 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
319 * system.h (abort): Supply more detailed information on how to
320 report an Internal Compiler Error.
322 Thu Jan 7 11:26:17 1999 Mark Mitchell <mark@markmitchell.com>
324 * calls.c (store_unaligned_arguments_into_pseudos): Use xmalloc to
325 allocate memory that will live beyond this function.
326 (expand_call): Free it here.
328 Thu Jan 7 03:08:17 1999 Richard Henderson <rth@cygnus.com>
330 * sparc.h (PREFERRED_RELOAD_CLASS): Select GENERAL_REGS for
331 integer data not destined for fp regs.
332 (LEGITIMIZE_RELOAD_ADDRESS): New.
334 Thu Jan 7 03:03:42 1999 Stan Cox <scox@cygnus.com>
335 Richard Henderson <rth@cygnus.com>
337 Support for Hypersparc and Sparclite86x:
338 * sparc.h (TARGET_CPU_hypersparc, TARGET_CPU_sparclite86x): New.
339 (CPP_CPU32_DEFAULT_SPEC): Fix up for the new targets.
340 (ASM_CPU32_DEFAULT_SPEC): Likewise.
341 (TARGET_CPU_DEFAULT): Likewise.
342 (enum processor_type): Likewise.
343 (CPP_ENDIAN_SPEC): Handle little endian data.
344 (LIBGCC2_WORDS_BIG_ENDIAN): Likewise.
345 (ADJUST_COST): Call sparc_adjust_cost.
346 * sparc.c (sparc_override_options): Fix up for the new targets.
347 (supersparc_adjust_cost): Make static.
348 (hypersparc_adjust_cost): New.
349 (ultrasparc_adjust_cost): Make static.
350 (sparc_adjust_cost): New.
351 * sparc.md (attr cpu): Add hypersparc and sparclite86x.
352 (function_unit): Add hypersparc scheduling rules.
354 * configure.in (with_cpu handler): Recognize hypersparc.
356 Thu Jan 7 23:54:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
358 * config/c4x/c4x.c: Added space after negation operator.
359 * config/c4x/c4x.h: Likewise.
360 * config/c4x/c4x.md: Likewise.
362 Thu Jan 7 23:39:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
364 * config/c4x/c4x.c (c4x_preferred_reload_class): Always return class.
366 Thu Jan 7 00:29:25 199 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
368 * combine.c (num_sign_bit_copies): In NEG, MULT, DIV and MOD cases,
369 when a test can't be performed due to limited width of
370 HOST_BITS_PER_WIDE_INT, use the more conservative approximation.
371 Fix UDIV case for cases where the first operand has the highest bit
374 Thu Jan 7 00:01:38 1999 Lutz Vieweg <lkv@mania.robin.de>
376 * pa.h (reg_class): Add FPUPPER_REGS.
377 (REG_CLASS_NAMES): Similarly.
378 (REG_CLASS_CONTENTS): Similarly
379 (REGNO_REG_CLASS): Handle FPUPPER_REGS.
380 (FP_REG_CLASS_P): Likewise.
381 (REG_CLASS_FROM_LETTER): Similarly.
382 (CLASS_MAX_NREGS): Similarly.
384 1999-01-06 Brendan Kehoe <brendan@cygnus.com>
386 * fixincludes: For HP/UX 10.20, also look in curses_colr/curses.h
387 for a typedef of bool. Make sure to have a copy of the file is
388 in place before we look to fix it. Fix typo in variable name to
391 Wed Jan 6 07:51:05 1999 Richard Henderson <rth@cygnus.com>
393 * expr.c (expand_builtin) [case BUILT_IN_CONSTANT_P]: Use
394 value_mode for the return mode.
396 Wed Jan 6 17:55:19 1999 Robert Lipe <robertlipe@usa.net>
398 * configure.in: New flag --with-dwarf2. If set, enables DWARF-2
399 debugging as default.
401 * config/tm-dwarf2.h: New file.
403 Wed Jan 6 16:08:54 1999 Jeffrey A Law (law@cygnus.com)
405 * h8300.h (ASM_OUTPUT_LABELREF): Define.
407 * pa.h (DONT_RECORD_EQUIVALENCE): Kill.
408 * local-alloc.c (update_equiv_regs): Corresponding changes.
409 * tm.texi (DONT_RECORD_EQUIVALENCE): Kill.
411 * calls.c (special_function_p): Push alloca test inside the large
412 conditional which excludes functions not at file scope or not
415 * calls.c (special_function_p): New function broken out of
417 (precompute_register_parameters): Likewise.
418 (store_one_arg): Likewise.
419 (store_unaligned_argumetns_into_pseudos): Likewise.
420 (save_fixed_argument_area): Likewise.
421 (restore_fixed_argument_area): Likewise.
422 (expand_call): Corresponding changes.
424 Wed Jan 6 10:43:29 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
426 * config/m68k/m68k.c (const_uint32_operand): Remove CONSTANT_P_RTX
428 (const_sint32_operand): Likewise.
430 Wed Jan 6 09:44:51 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
432 * toplev.h: In addition to checking _JBLEN, also check if `setjmp'
433 is a macro when deciding if we can use `jmp_buf' in prototypes.
435 Thu Jan 7 00:12:24 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
437 * config/c4x/c4x.md (addqi3): If the destination operand is
438 a hard register other than an extended precision register,
439 emit addqi3_noclobber.
440 (*addqi3_noclobber_reload): New pattern added so that reload
441 will recognise a store of a pseudo, equivalent to the sum
442 of the frame pointer and a constant, as an add insn.
444 Wed Jan 6 03:18:53 1999 Mark Elbrecht <snowball3@usa.net.
446 * configure.in (pc-msdosdjgpp): Set x_make to x-go32.
447 * configure: Rebuilt.
448 * i386/xm-go32.h: Define LIBSTDCXX.
450 * i386/go32.h (MD_EXEC_PREFIX): Define.
451 (FILE_NAME_ABSOLUTE_P): Define.
452 (LINK_COMMAND_SPEC): Define.
454 Wed Jan 6 02:23:36 1999 "Charles M. Hannum" <root@ihack.net>
456 * expr.c (store_expr): If the lhs is a memory location pointed
457 to be a postincremented (or postdecremented) pointer, always
458 force the rhs to be evaluated into a pseudo.
460 Wed Jan 6 00:54:21 1999 Geoff Keating <geoffk@ozemail.com.au>
462 * real.c (mtherr): Print more reasonable warning messages.
464 Tue Jan 5 21:57:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
466 * Makefile.in (gcc.o, prefix.o, cccp.o, cpplib.o): Depend on prefix.h.
468 * cccp.c: Include prefix.h, don't prototype prefix.c functions.
469 (new_include_prefix): Constify char* parameters.
471 * cppfiles.c (read_name_map): Likewise.
472 (append_include_chain): Likewise. Also, use a writable char* copy
473 of parameter `dir' which we then modify, rather than using the
474 parameter itself to store the new writable string.
475 (remap_filename): Constify some variables. Also, use a writable
476 char* to store an allocated string which we will be modifying.
478 * cpplib.c: Include prefix.h, don't prototype prefix.c functions.
479 (cpp_start_read): Constify variable `str'.
481 * cpplib.h (append_include_chain): Constify a char* parameter.
483 * gcc.c Include prefix.h, don't prototype prefix.c functions.
484 (add_prefix, save_string): Constify char* parameters.
485 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
487 * prefix.c: Include prefix.h.
488 (get_key_value, translate_name, save_string, update_path,
489 set_std_prefix): Constify various char* parameters and variables.
490 (save_string): Use xmalloc, not malloc.
491 (translate_name): Use a writable temporary variable to create and
492 modify a string before setting it to a const char*.
494 * prefix.h: New file to prototype functions exported from prefix.c.
496 Mon Jan 4 15:37:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
498 * cpplib.c (skip_if_group): Split out the logic that handles
499 directive recognition to its own function. Don't use
500 parse markers; use a bare pointer into the buffer. Use
501 copy/skip_rest_of_line instead of doing it by hand. Remove
502 `return on any directive' mode which was never used, and take
504 (consider_directive_while_skipping): New function, subroutine
505 of skip_if_group. Logic streamlined a bit.
506 (conditional_skip, do_elif, do_else): Call skip_if_group with
509 Mon Jan 4 15:27:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
511 * cpplib.c (do_undef): EOF immediately after '#undef FOO' is not an
514 Mon Jan 4 11:55:51 1999 Jason Merrill <jason@yorick.cygnus.com>
516 * extend.texi (Bound member functions): Document.
518 Mon Jan 4 11:01:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
520 * mips-tdump.c (st_to_string, sc_to_string, glevel_to_string,
521 lang_to_string, type_to_string): Make return type const char*.
522 (print_symbol): Apply `const' keyword to a char*.
523 (print_file_desc): Cast structure member `crfd' to ulong when
524 comparing against one.
526 * mips-tfile.c (pfatal_with_name): Apply `const' keyword to char*.
527 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
528 (progname, input_name): Apply `const' keyword to a char*.
529 Don't redundantly include sys/stat.h.
530 (alloc_info): Apply `const' keyword to a char*.
531 (st_to_string, sc_to_string): Likewise.
532 (hash_string): Cast variable `hash_string' to a symint_t when
533 comparing against one.
534 (add_string): Cast PAGE_USIZE to Ptrdiff_t when comparing against one.
535 Likewise cast it to long when comparing against one.
536 (add_local_symbol): Apply `const' keyword to a char*.
537 (add_ext_symbol): Likewise.
538 (add_unknown_tag): Likewise.
539 (add_procedure): Cast a printf-style field width to an int.
540 (add_file): Cast PAGE_USIZE to long when comparing against one
541 (parse_begin): Cast a printf-style field width to an int.
542 (parse_bend): Likewise.
543 (parse_def): Likewise.
544 (parse_end): Likewise.
545 (mark_stabs): Mark parameter `start' with ATTRIBUTE_UNUSED.
546 (parse_stabs_common): Fix format specifier.
547 (parse_input): Change type of variable `i' to Size_t.
548 (write_object): Fix arguments to match format specifiers.
549 Cast variable `num_write' to long when comparing against one.
550 (read_seek): Cast variable `sys_read' to symint_t when comparing
551 against one. Fix arguments to match format specifiers. Cast
552 variable `size' to long when comparing against one.
553 (copy_object): Cast result of `sizeof' to int when comparing
554 against one. Fix arguments to match format specifiers. Cast
555 variable `ifd' to long when comparing against a signed value.
558 Mon Jan 4 10:30:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
560 * c-common.c (decl_attributes): Allow applying attribute `unused'
563 * c-parse.in (label): Parse attributes after a label, and call
564 `decl_attributes' to handle them.
566 * gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
568 * genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
569 generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
571 * invoke.texi: Note that labels can be marked `unused'.
573 Sun Jan 3 23:32:18 PST 1999 Jeff Law (law@cygnus.com)
575 * version.c: Bump for snapshot.
577 Sun Jan 3 23:00:42 1999 Jeffrey A Law (law@cygnus.com)
579 * optabs.c (emit_cmp_and_jump_insns): Use CONSTANT_P canonicalizing
580 RTL for a compare/jump sequence.
582 Sun Jan 3 22:58:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
584 * optabs.c (emit_cmp_insn): Abort if asked to emit non-canonical RTL
585 for a target with HAVE_cc0 defined.
586 (emit_cmp_and_jump_insns): New function.
587 * expr.h (emit_cmp_and_jump_insns): Prototype it.
588 * loop.c (check_dbra_loop): Use it to replace calls
589 to emit_cmp_insn and emit_jump_insn and to canonicalise
590 the comparison if necessary.
591 * unroll.c (unroll_loop): Likewise.
593 Sun Jan 3 21:01:04 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
595 * fixincludes (sys/utsname.h): Provide forward declaration of
596 struct utsname on Ultrix V4.[35].
598 * mips.md (div_trap): Use local labels instead of dot-relative
601 Sun Jan 3 20:40:34 1999 Jeffrey A Law (law@cygnus.com)
603 * pa.md (branch, negated branch): Handle (const_int 0) as first
605 * pa.c (output_cbranch): Likewise.
607 Sun Jan 3 03:20:38 1999 David Edelsohn <edelsohn@mhpcc.edu>
609 * rs6000.c (rs6000_stack_info): Undo spurious part of last
612 1999-01-01 Manfred Hollstein <manfred@s-direktnet.de>
614 * extend.texi (__builtin_constant_p): Add missing @smallexample.
616 Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com)
618 * i386.md (doubleword shifts): Fix dumb mistakes in previous change.
620 Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com)
622 * m68k.md (adddi_dilshr32): Allow all operands to be registers too.
623 (adddi_dishl32): Similarly.
625 * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers
626 for each insn in the skipped block.
628 * reload1.c (reload_as_needed): Verify that the insn satisfies its
629 constraints after replacing a register address with an autoincrement
630 address for reload inheritance purposes.
632 * i386.md (doubleword shifts): Avoid namespace pollution.
634 Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com>
636 * configure.in (FreeBSD ELF): Needs special crt files.
638 Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com>
640 * i386/xm-cygwin.h: change DIR_SEPARATOR to forward slash.
642 1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
644 * loop.c (check_dbra_loop): While reversing the loop, if the
645 comparison value has a VOID mode use the mode of the other operand
648 Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com>
650 * rs6000.md ({save,restore}_stack_function): Take 2 operands to
651 avoid warnings in compiling explow.c.
653 (patch from Ken Raeburn, raeburn@cygnus.com)
654 * rs6000.c (rs6000_stack_info): Force 8-byte alignment of
655 fpmem_offset. Compute total size after that, and then
656 rs6000_fpmem_offset using both values.
658 Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
660 * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
661 the future; indeed that already happens in some cases.
663 Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com>
665 * sparc.c (input_operand): Recognize (const (constant_p_rtx)).
666 (arith_operand): Remove constant_p_rtx handling.
667 (const64_operand, const64_high_operand): Likewise.
668 (arith11_operand, arith10_operand, arith_double_operand): Likewise.
669 (arith11_double_operand, arith10_double_operand, small_int): Likewise.
670 (small_int_or_double, uns_small_int, zero_operand): Likewise.
671 * sparc.h (PREDICATE_CODES): Likewise.
673 * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX.
675 Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>:
677 * rtl.def (CONSTANT_P_RTX): Clarify commentary.
678 * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
679 consider constant CONSTRUCTOR constant and to defer some cases
681 * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
682 * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
684 Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com>
686 * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
687 * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
689 * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling.
690 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
691 (sext_add_operand, and_operand, or_operand): Likewise.
692 (reg_or_cint_operand, some_operand, input_operand): Likewise.
693 * alpha.h (PREDICATE_CODES): Likewise.
695 Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com)
697 * version.c: Bump for snapshot.
699 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
701 * gengenrtl.c (gencode): Always use bzero to clear memory instead
702 of dangerous casts and stores.
704 * Makefile.in (compare, gnucompare): Add missing else true clauses.
706 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
708 * alpha.md (builtin_longjmp): Add missing "DONE".
710 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
712 * gcc.c (execute): Enable -pipe with win32.
714 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
716 * config/arm/t-arm-elf: Add multiplib option for leading
719 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
720 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
722 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
723 than variable 'reload_address_base_reg_class'. [Note this
724 change is unrelated to the others in this patch].
726 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
729 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
731 * alias.c (record_alias_subset): Remove ignored `&'.
732 (init_alias_once): Likewise.
734 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
736 * config/mips/mips.c (mips_asm_file_end): Cast the result of
737 fwrite to `int' when comparing against one.
739 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
740 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
742 * cse.c (rehash_using_reg): Change type of variable `i' to
745 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
748 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
750 * final.c (final_scan_insn): Likewise for variable `i'.
751 (output_asm_insn): Cast a char to unsigned char when used as an
754 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
757 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
759 * recog.c (preprocess_constraints): Cast a char to unsigned char
760 when used as an array index.
762 * regmove.c (find_matches): Likewise.
764 * reload1.c (calculate_needs): Add default case in switch.
765 (eliminate_regs_in_insn): Initialize variable `offset'.
766 (set_offsets_for_label): Change type of variable `i' to unsigned.
767 (reload_as_needed): Wrap variable `i' in macro check on
768 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
770 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
771 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
772 when comparing against one.
774 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
775 unsigned when comparing against one. Likewise for
776 GET_MODE_ALIGNMENT().
777 (layout_record): Cast record_align to int when comparing against a
779 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
782 * tree.c (get_identifier): Cast variable `len' to unsigned when
783 comparing against one.
784 (maybe_get_identifier): Likewise
786 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
788 * toplev.c (rest_of_compilation): Do not set reload_completed.
789 * reload1.c (reload): Set reload_completed before calling
790 cleanup_subreg_operands.
792 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
794 * reload1.c (emit_reload_insns): Check `set' not null before use.
796 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
798 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
801 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
803 * halfpic.c (half_pic_encode): Delete redundant code.
805 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
807 * toplev.c (main): Delete handling of -dM as a preprocessor
810 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
812 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
813 -dI, which are handled by the preprocessor.
815 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
817 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
818 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
820 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
822 * version.c: Bump for snapshot.
824 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
826 * version.c: Bump for snapshot.
828 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
830 * version.c: Bump for snapshot.
832 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
834 * genattr.c (fatal): Qualify a char* with the `const' keyword.
836 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
837 write_unit_name, write_eligible_delay, expand_units,
838 make_length_attrs, write_attr_case, find_attr,
839 make_internal_attr): Likewise.
840 * gencheck.c (tree_codes): Likewise.
841 * gencodes.c (fatal): Likewise.
842 * genconfig.c (fatal): Likewise.
843 * genemit.c (fatal): Likewise.
844 * genextract.c (fatal, walk_rtx, copystr): Likewise.
845 * genflags.c (fatal): Likewise.
846 * genopinit.c (fatal, optabs, gen_insn): Likewise.
847 * genoutput.c (fatal, error, predicates): Likewise.
848 * genpeep.c (fatal): Likewise.
849 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
850 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
852 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
854 * configure.in (with-fast-fixincludes): Fix whitespace.
855 * configure: Rebuilt.
857 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
858 asm() etc. function declarations in __DECC.
860 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
862 * expr.c (emit_move_insn_1): Only emit a clobber if the target
863 is a pseudo register.
865 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
867 * gcse.c: Include expr.h in order to get the prototype for
868 get_condition() which is used in delete_null_pointer_checks().
870 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
872 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
874 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
876 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
877 (ALL_CFLAGS): Delete SCHED_CFLAGS.
879 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
881 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
884 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
886 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
887 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
888 optimizations from the combiner.
890 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
892 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
894 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
896 * toplev.c (main): Disable optimize_size if a specific
897 optimization level is requested. Always set optimization
898 level to 2 if -Os is specified.
900 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
902 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
904 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
905 initialize it using fname.
907 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
909 * cpplib.c (do_include): Treat #include_next in the
910 primary source file as #include plus warning. Treat
911 #include_next in a file included by absolute path as an
912 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
914 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
916 * cccp.c: Don't define MIN/MAX anymore.
917 * cpplib.c: Likewise.
918 * machmode.h: Likewise.
919 * system.h: Provide definitions for MIN/MAX.
921 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
923 * fix-header.c: Don't define xstrdup here.
925 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
927 * loop.c (consec_sets_giv): New argument last_consec_insn.
928 (strength_reduce): Provide / use it.
930 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
932 * loop.h (loop_info): New field 'vtop'.
933 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
934 scanning loop for vtop.
935 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
936 (loop_iterations): Use them to determine if loop has a constant
937 number of iterations. Set loop_info->vtop. Don't subtract
938 common reg term from initial_value and final_value if have a
941 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
943 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
945 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
947 * mn10200.md (abssf2, negsf2): New expanders.
949 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
951 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
953 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
954 replaced by a CONCAT whoes components do not have the same
955 mode as the original SUBREG, use a new SUBREG to restore the
958 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
959 multiword complex values.
961 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
963 * cppalloc.c: Add xstrdup here.
964 * cpplib.h: Remove savestring prototype.
965 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
967 * cppfiles.c: s/savestring/xstrdup/ throughout.
969 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
971 * cpplib.c: Make all directive handlers read their own
973 (struct directive): Remove last two arguments from FUNC
974 member prototype. Remove `command_reads_line' member
976 (directive_table): Remove initializations of
977 command_reads_line flag. Pretty-print.
978 (eval_if_expression, do_define, do_line, do_include,
979 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
980 do_else, do_elif, do_sccs, do_assert, do_unassert,
981 do_warning): Take only two args.
983 (cpp_define): Call do_define with two args and the text to
984 define stuffed into a buffer.
985 (make_assertion): Call do_assert with two args.
986 (handle_directive): Call do_line with two args. Call
987 kt->func with two args. Remove command_reads_line
989 (do_define, do_undef, do_error, do_warning, do_pragma,
990 do_sccs): Read the rest of the line here.
991 (do_ident): Gobble rest of line, as cccp does.
992 (cpp_undef): New function.
993 (cpp_start_read): Call cpp_undef instead of do_undef.
995 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
997 * cpphash.h (union hash_value): Remove `keydef' member, add a
998 `struct hashnode *aschain' member for #assert.
1000 * cpplib.c (struct tokenlist_list, struct
1001 assertion_hashnode): Delete structure definitions.
1002 (assertion_install, assertion_lookup, delete_assertion,
1003 check_assertion, compare_token_lists, reverse_token_list,
1004 read_token_list, free_token_list): Delete functions.
1005 (parse_assertion): New function.
1006 (cpp_cleanup): Don't destroy the assertion_hashtable.
1008 (do_assert): Gut and rewrite. #assert foo (bar) places
1009 entries for `#foo' and `#foo(bar)' in the macro hash table,
1010 type T_ASSERT. The value union's `aschain' member is used
1011 to chain all answers for a given predicate together.
1012 (do_unassert): Also rewritten. Take an un-asserted
1013 answer off the chain from its predicate and call
1014 delete_macro on the hashnode, or walk a predicate chain
1015 calling delete_macro on all the entries.
1016 (cpp_read_check_assertion): Simply call parse_assertion to
1017 get the canonical assertion name, and look that up in the
1020 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
1023 * cpphash.c (install): Use bcopy instead of an explicit loop
1024 to copy the macro name.
1026 * cppexp.c (cpp_lex): Convert the result of
1027 cpp_read_check_assertion to a `struct operation' directly;
1028 don't go through parse_number.
1030 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1032 * loop.h (struct induction): Delete times_used member.
1033 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
1034 (n_times_used): Rename to n_times_set. Changed all users.
1035 (scan_loop): Free reg_single_usage before strength reduction.
1036 (record_giv, combine_givs): Remove handling of times_used member.
1037 (combine_givs_used_once): Rename to:
1038 (combine_givs_used_by_other) . Changed all callers.
1040 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
1042 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
1043 instead of TREE_CODE_CLASS == 't'.
1044 (gen_type_die): Likewise.
1045 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
1047 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
1049 * real.c (endian): Disable last change unless
1050 HOST_BITS_PER_WIDE_INT is greater than 32.
1052 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1054 * output.h (force_data_section): New prototype.
1055 * varasm.c (force_data_section): New function to force the
1056 data section, regardless of what in_section thinks.
1057 * dwarf2out.c (output_call_frame_info): Call force_data_section
1058 since varasm may not realize we've changes sections.
1060 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
1062 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
1063 after completeing reload.
1065 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
1066 deleted after reload.
1068 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
1070 * rtl.h (multiple_sets): Fix prototype.
1071 * rtlanal.c (multiple_sets): Fix return type.
1073 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
1075 * version.c: Bump for snapshot.
1077 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
1079 * version.c: Bump for snapshot.
1081 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
1083 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
1085 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1087 * rtl.h (recompute_reg_usage): Add second argument.
1088 * flow.c (recompute_reg_usage): Likewise.
1089 * toplev.c (rest_of_compilation): Supply second argument to
1090 recompute_reg_usage.
1092 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
1095 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
1097 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
1098 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
1099 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
1102 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
1104 * rtlanal.c (multiple_sets): New function.
1105 * rtl.h (multiple_sets): Declare it.
1106 * local-alloc.c (wipe_dead_reg): Use it.
1107 * global.c (global_conflicts): Likewise.
1109 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
1111 * global.c (record_conflicts): Don't use an array of shorts to
1112 store an array of ints.
1113 (global_conflicts): Likewise.
1115 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
1117 * alpha.c (alpha_expand_block_move): mode_for_size expects
1118 bits, not bytes. Infer extra alignment from addressof.
1120 1998-12-11 Michael Meissner <meissner@cygnus.com>
1122 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
1123 .sbss section, not .sdata.
1125 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
1127 * cccp.c: Do not #include <sys/stat.h> here; this is already done
1129 * collect2.c: Likewise.
1130 * cpplib.h: Likewise.
1133 * getpwd.c: Likewise.
1134 * protoize.c: Likewise.
1135 * toplev.c: Likewise.
1137 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
1138 and don't try to define it here.
1139 * Makefile.in (cppmain.o): Depend on machmode.h.
1140 (cpplib.o): Likewise.
1141 (cpperror.o): Likewise.
1142 (cppexp.o): Likewise.
1143 (cppfiles.o): Likewise.
1144 (cpphash.o): Likewise.
1145 (cppalloc.o): Likewise.
1146 (fix-header.o): Likewise.
1147 (scan-decls.o): Likewise.
1149 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
1151 * sh.c (print_operand): lookup interrupt_handler attribute instead
1152 of relying on static variable.
1153 * (calc_live_regs): Likewise.
1154 * (sh_pragma_insert_attributes): Create interrupt_handler
1155 attribute if a pragma was specified
1156 * (sh_valid_machine_decl_attribute): Don't set static flag.
1157 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
1159 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1161 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
1162 to determine if a register is live at a jump destination.
1163 Everything is dead at a BARRIER.
1165 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
1167 * cse.c (simplify_unary_operation): Sign-extend constants when
1168 they have the most significant bit set for the target.
1169 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
1171 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
1172 HOST_WIDE_INT temporary before negating it.
1173 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
1175 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
1177 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
1180 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1182 * collect2.h: New header file for prototypes.
1184 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
1186 * collect2.c: Include collect2.h.
1187 * tlink.c: Likewise.
1189 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
1191 * flow.c: Update some comments.
1193 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
1195 * objc/objc-act.c (cpp_initialized): Removed.
1196 (lang_init_options): Initialize cpplib.
1197 (lang_decode_option): Move initialization of cpplib to
1199 * c-lang.c: (parse_options,parse_in): Added.
1200 (lang_init_options): Initialized cpplib here.
1201 * c-decl.c (parse_options,cpp_initialized): Removed.
1202 (c_decode_option): Move initialization of cpplib to
1205 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1207 * reload1.c (reload_combine, reload_combine_note_store):
1208 Make STORE_RUID always valid.
1209 (reload_combine): Check if BASE is clobbered too early.
1211 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
1213 * reload.c (find_reloads): Display the insn that cannot be
1216 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
1218 * cccp.c (create_definition): Fix end of bufer logic.
1220 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1222 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
1223 pointer parameters changed to use the PARAMS() macro.
1225 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1227 * except.h (struct handler_info): Add handler_number field.
1228 * except.c (gen_exception_label): EH labels no longer need to be
1229 on the permanent obstack.
1230 (get_new_handler): Set the label number field.
1231 (output_exception_table_entry): Regenerate handler label reference
1232 from the label number field.
1233 (init_eh): Remove a blank line.
1234 * integrate.c (get_label_from_map): Labels no longer need to be
1235 on the permanent obstack.
1237 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
1239 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
1240 only when OUTER_CODE is SET.
1242 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1244 * loop.c (strength_reduce): If scan_start points to the loop exit
1245 test, be wary of subversive use of gotos inside expression statements.
1246 Don't set maybe_multiple for a backward jump that does not
1247 include the label under consideration into its range.
1248 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
1250 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1252 * explow.c (plus_constant_wide): Don't immediately return with
1253 result of recursive call.
1255 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1257 * eh-common.h (struct eh_context): Add table_index for rethrows.
1259 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
1260 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
1261 processed when inlined or unrolled (ie duplicated in some way).
1263 * rtl.c (reg_note_name): Add strings for new reg_note enums.
1265 * expr.h (rethrow_libfunc): New library decl.
1267 * optabs.c (rethrow_libfunc): Initialize.
1269 * except.h (struct eh_entry): Add new field 'rethrow_label'.
1270 (new_eh_region_entry): No longer exported from except.c.
1271 (duplicate_handlers): Renamed to duplicate_eh_handlers and
1272 different prototype.
1273 (rethrow_symbol_map, rethrow_used): New exported functions.
1274 (eh_region_from_symbol): New exported function.
1276 * except.c (create_rethrow_ref): New function to create a single
1277 SYMBOL_REF for a rethrow region.
1278 (push_eh_entry): Initialize a rethrow ref.
1279 (func_eh_entry): Add a rethrow_label field.
1280 (new_eh_region_entry): Make static, and initialize the rethrow entry.
1281 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
1282 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
1283 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
1284 a region into an appropriate new symbol.
1285 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
1286 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
1287 (end_catch_handler): Emit a barrier for new-exceptions since
1288 control can never drop through the end of a catch block.
1289 (expand_end_all_catch): new-exceptions never fall through a catch
1291 (expand_rethrow): use __rethrow routine for new exceptions.
1292 (output_exception_table_entry): Generate rethrow labels, if needed.
1293 (output_exception_table): Generate start and end rethrow labels.
1294 (init_eh): Create rethrow symbols for beginning and end of table.
1295 (scan_region): Don't eliminate EH regions which are the targets of
1298 * flow.c (make_edges): Add different edges for rethrow calls,
1299 identified by having the REG_EH_RETHROW reg label.
1300 (delete_unreachable_blocks): Don't delete regions markers which are
1301 the target of a rethrow.
1303 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
1304 allow save_for_inline_copying to call duplicate_eh_handlers.
1305 (save_for_inline_copying): Call duplicate_eh_handlers instead of
1306 exposing internal details of exception regions.
1307 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
1308 (expand_inline_function_eh_labelmap): New callback routine to
1309 allow expand_inline_function to call duplicate_eh_handlers.
1310 (expand_inline_function): Call duplicate_eh_handlers instead of
1311 exposing internal details of exception regions.
1312 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
1315 * libgcc2.c (find_exception_handler): Generalize to enable it to
1316 pick up processing where it left off last time for a rethrow.
1317 (__unwinding_cleanup): New function. debug hook which is called before
1318 unwinding when __throw finds there is nothing but cleanups left.
1319 (throw_helper): Common parts of __throw extracted out for reuse.
1320 (__throw): Common parts moved to throw_helper.
1321 (__rethrow): New function for performing rethrows.
1323 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
1325 * reload1.c (current_function_decl): Tweak declaration.
1327 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
1329 * c-decl.c (flag_isoc9x): Default off.
1330 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
1331 * cccp.c (print_help, main): Likewise.
1332 * gcc.c (default_compilers): Update for -std=gnu*.
1334 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
1336 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
1337 * demangle.h: Deleted.
1339 * reload1.c (current_function_decl): Declare.
1341 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1343 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
1345 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1347 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
1349 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
1351 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
1353 * configure: Rebuilt.
1354 * system.h: If the *_unlocked functions are available use them
1355 instead of the locked counterparts by defining macros.
1356 * config.in: Regenerated.
1358 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
1360 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
1361 wrong and should only be used for dump related things, not
1362 debugging information, instead main_input_filename should be used.
1363 Also, reuse output_file_directive if possible.
1364 * i386/aix386ng.h (ASM_FILE_START): Likewise.
1365 * i386/isc.h (ASM_FILE_START): Likewise.
1366 * i386/win-nt.h (ASM_FILE_START): Likewise.
1367 * i386/sun386.h (ASM_FILE_START): Likewise.
1369 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
1371 * configure.in (mips*-*-linux*): Handle big and little endian
1373 * configure: Rebuilt.
1375 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
1377 * emit-rtl.c: Fix typo.
1379 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
1381 * reload1.c (eliminate_regs): Don't do anything, if we're not
1384 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
1386 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
1388 * mips/mips.c (mips_select_section): Add comment.
1390 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
1392 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
1393 characters in file names in #line to be consistent with #include
1394 handling. We support escape prcessing in the # 1 "..." version of
1395 the command. See also support in cp/lex.c.
1396 (handle_directive): Likewise.
1397 (do_line): Likewise.
1399 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
1401 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
1402 so it'll work on non-ASCII platforms. Always consider $ an
1403 identifier character. Take no arguments.
1404 (cpp_reader_init): Call initialize_char_syntax with no
1406 (cpp_start_read): Don't call initialize_char_syntax again.
1407 Clear is_idchar['$'] and is_idstart['$'] if not
1408 opts->dollars_in_ident.
1410 * cpplib.h (struct cpp_reader): Replace void *data element by
1411 cpp_options *opts. Rearrange elements to make gdb printout
1412 less annoying (put buffer stack at end).
1413 (CPP_OPTIONS): Get rid of now-unnecessary cast.
1415 * cppmain.c: s/data/opts/ when initializing cpp_reader
1417 * c-decl.c: Likewise.
1418 * objc/objc-act.c: Likewise.
1419 * fix-header.c: Likewise.
1421 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
1423 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
1424 with a struct file_name_list pointer.
1425 (struct cpp_reader): Add pointer to chain of `actual
1426 directory' include searchpath entries.
1427 (struct file_name_list): Add *alloc pointer for the sake of
1428 the actual-directory chain.
1430 Move definition of HOST_WIDE_INT here.
1431 (cpp_parse_escape): Change prototype to match changes in
1434 * cppfiles.c (actual_directory): New function.
1435 (finclude): Use it to initialize the buffer's actual_dir
1437 (find_include_file): We don't need to fix up max_include_len
1440 * cpplib.c (do_include): Don't allocate a file_name_list on
1441 the fly for current directory "" includes, use the one that's
1442 been preallocated in pfile->buffer->actual_dir. Hoist out
1443 duplicate code from the search_start selection logic.
1444 (cpp_reader_init): Initialize pfile->actual_dirs.
1446 Remove definition of HOST_WIDE_INT. Change calls
1447 to cpp_parse_escape to match changes in cppexp.c (note
1448 hardcoded MASK, which is safe since this is the source
1451 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
1452 to handle wide character constants in #if directives. The
1453 function now returns a HOST_WIDE_INT, and takes a third
1454 argument which is a binary mask for all legal values (0x00ff
1455 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
1456 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
1457 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
1459 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
1461 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
1463 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1465 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
1466 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
1467 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
1469 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
1471 * final.c (output_asm_name): Use tabs to seperate comments from
1474 Include instruction lengths (if defined) in output.
1476 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1478 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
1479 in the loop_info structure.
1481 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
1483 * configure.in: (arm*-*-ecos-elf): New target.
1484 * configure: Regenerated.
1485 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
1486 * config/arm/ecos-elf.h: New file.
1487 * config/arm/unknown-elf.h (TARGET_VERSION): Check
1490 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1492 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
1494 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
1496 * version.c: Bump for snapshot.
1498 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1500 * loop.c (check_dbra_loop): New argument loop_info. Update fields
1503 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
1505 * version.c: Bump for snapshot.
1507 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1509 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
1510 compressed reports are ok and preferred over URLs
1512 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1514 * invoke.texi (Warning Options): Soften the tone of -pedantic
1516 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
1518 * print-rtl.c (print_rtx): Add prototype.
1520 * unroll.c (iteration_info): Make it static.
1522 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
1524 * alias.c (memrefs_conflict_p): A second ANDed address
1525 disables the aligned address optimization.
1527 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
1529 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
1532 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
1534 * i960.h (BOOL_TYPE_SIZE): Define.
1536 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1538 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
1539 from old valid_parallel_operands_4.
1540 (valid_parallel_operands_4): Check that operands for 4 operand
1541 parallel insns are valid, excluding load/store insns.
1542 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
1543 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
1544 valid_parallel_load_store instead of valid_parallel_operands_4.
1545 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
1546 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
1547 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
1548 *notqi_movqi_clobber): Use valid_parallel_operands_4.
1549 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
1550 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
1551 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
1553 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1555 * config/c4x/c4x.c (iteration_info): Delete extern.
1557 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1559 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
1561 * final.c (cleanup_subreg_operands): Delete some unused code.
1563 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
1564 (struct insn_alternative): New structure definition.
1565 (recog_op_alt): Declare variable.
1566 (preprocess_constraints): Declare function.
1567 * recog.c (recog_op_alt): New variable.
1568 (extract_insn): Verify number of alternatives is in range.
1569 (preprocess_constraints): New function.
1570 * reg-stack.c: Include recog.h.
1571 (constrain_asm_operands): Delete.
1572 (get_asm_operand_lengths): Delete.
1573 (get_asm_operand_n_inputs): New function.
1574 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
1575 N_OUTPUTS args. All callers changed.
1576 Compute number of inputs and outputs here by calling
1577 get_asm_operand_n_inputs.
1578 Instead of constrain_asm_operands, call extract_insn,
1579 constrain_operands and preprocess_constaints. Use information
1580 computed by these functions throughout.
1581 (record_reg_life): Delete code that is unused due to changes in
1582 record_asm_reg_life.
1583 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
1584 N_INPUTS and N_OUTPUTS args. All callers changed.
1585 Similar changes as in record_asm_reg_life.
1586 (subst_stack_regs): Move n_operands declaration into the if statement
1588 Delete code that is unused due to changes in subst_asm_stack_regs.
1589 * stmt.c (expand_asm_operands): Verify number of alternatives is in
1591 * Makefile.in (reg-stack.o): Depend on recog.h.
1593 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
1595 * except.c (set_exception_version_code): Argument is an "int".
1597 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
1599 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
1600 * configure: Rebuilt.
1602 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
1604 * configure.in (mipsel-*-linux*): New target.
1605 * mips/linux.h: New file, based on other Linux targets.
1607 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
1609 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
1610 runs in the context of the deleter, not the deletee, so we must
1611 use taskVarGet to find the correct memory to free.
1612 (__gthread_key_create): Initialize the task
1613 variable subsystem so that the task variable is still active when
1614 the delete hook is run.
1616 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
1618 * pdp11.h: Use optimize_size for space optimizations.
1619 * pdp11.c: Likewise.
1620 * pdp11.md: Likewise.
1622 * pdp11.h (TARGET_40_PLUS): Fix typo.
1624 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
1626 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
1629 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1631 * alias.c (addr_side_effect_eval): New function.
1632 (memrefs_conflict_p): Use it.
1633 * rtl.h (addr_side_effect_eval): Prototype it.
1635 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
1637 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
1639 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
1641 * reload.c (find_reloads): When force const to memory, put result
1642 in substed_operand not *recog_operand_loc.
1644 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
1646 * c-lex.c: Fix indentation from last patch.
1647 Remove trailing whitespace.
1650 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
1652 * flow.c (delete_block): Call set_last_insn after we have reset
1653 NEXT_INSN (kept_tail).
1655 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
1657 * mips.md (trap_if): Use "$0" for the value zero.
1659 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
1660 Stephen L Moshier <moshier@world.std.com>
1661 Richard Henderson <rth@cygnus.com>
1663 * c-common.c (declare_function_name): Declare predefinied variable
1666 * c-decl.c (flag_isoc9x): Set to 1 by default.
1667 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
1668 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
1670 * c-parse.in: Allow constructors in ISO C 9x.
1671 Rewrite designator list handling.
1672 Allow [*] parameters.
1673 Don't warn about comma at end of enum definition for ISO C 9x.
1675 * cccp.c (c9x): New variable.
1676 (rest_extension): New variable.
1677 (print_help): Document new -std= option.
1678 (main): Recognize -std= option. Set c9x appropriately.
1679 (create_definition): Recognize ISO C 9x vararg macros.
1681 * gcc.c (default_compilers): Adjust specs for -std options.
1682 (option_map): Add --std.
1683 (display_help): Document -std.
1685 * toplev.c (documented_lang_options): Add -std and remove
1688 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
1689 or REAL_VALUE_HTOF based on base of the constants.
1690 * fold-const.c (real_hex_to_f): New function. Replacement function
1691 for hex FP conversion if REAL_ARITHMETIC is not defined.
1692 * real.c (asctoeg): Add handling of hex FP constants.
1693 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
1696 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
1698 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
1699 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
1700 expansion. Use hi/lo as destination register.
1702 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
1703 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
1704 Avoid as macro expansion. Use hi/lo as destination register.
1706 * mips.h (MASK_CHECK_RANGE_DIV): New.
1707 (MASK_NO_CHECK_ZERO_DIV): New.
1708 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
1709 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
1710 return address for leaf functions out of r31 to support
1711 builtin_return_address.
1713 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1715 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
1716 NEXT_INSN(x) to check insn x.
1718 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
1720 * flow.c (delete_block): Call set_last_insn if we end up deleting the
1721 last insn in the rtl chain.
1723 * reload1.c (reload): Do not set reload_completed or split insns
1725 * toplev.c (rest_of_compilation): Set reload_completed after
1726 reload returns. Split insns after reload_cse has run.
1728 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
1730 * final.c (final_scan_insn): Abort if block_depth falls below 0.
1732 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
1734 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
1736 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
1738 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
1739 use of user-label_prefix.
1741 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1743 * reload1.c (emit_reload_insns): Clear spill_reg_store
1744 when doing a new non-inherited reload from the same pseudo.
1746 * local-alloc.c (function_invariant_p): New function.
1747 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
1748 to decide if an equivalence should be recorded.
1749 * reload1.c (num_eliminable_invariants): New static variable.
1750 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
1751 to decide if an equivalence should be recorded.
1753 (calculate_needs_all_insns): Skip insns that only set an equivalence.
1754 Take num_eliminable_invariants into account when deciding
1755 if register elimination should be done.
1756 (reload_as_needed): Take num_eliminable_invariants into account
1757 when deciding if register elimination should be done.
1758 (eliminate_regs): Handle non-constant reg_equiv_constant.
1759 * rtl.h (function_invariant_p): Declare.
1761 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
1763 * version.c: Bump for snapshot.
1765 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
1767 * version.c: Bump for snapshot.
1769 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
1771 * except.c (add_new_handler): Complain about additional handlers
1772 after one that catches everything.
1774 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
1776 * configure.in (alpha*-*-netbsd): Fix typo.
1777 * configure: Rebuilt.
1779 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1781 * system.h: Include libiberty.h.
1783 * c-aux-info.c: Remove prototypes for concat/concat3. Change
1784 function `concat' from fixed parameters to variable parameters,
1785 as is done in libiberty. All callers of concat/concat3
1786 changed to use the new `concat' with variable args.
1788 * cccp.c: Remove things made redundant by libiberty.h and/or
1789 conform to libiberty standards.
1791 * collect2.c: Likewise.
1792 * config/1750a/1750a.h: Likewise.
1793 * cppalloc.c: Likewise.
1794 * cppexp.c: Likewise.
1795 * cppfiles.c: Likewise.
1796 * cpphash.c: Likewise.
1797 * cpplib.c: Likewise.
1798 * dyn-string.c: Likewise.
1799 * fix-header.c: Likewise.
1802 * genattr.c: Likewise.
1803 * genattrtab.c: Likewise.
1804 * gencheck.c: Likewise.
1805 * gencodes.c: Likewise.
1806 * genconfig.c: Likewise.
1807 * genemit.c: Likewise.
1808 * genextract.c: Likewise.
1809 * genflags.c: Likewise.
1810 * gengenrtl.c: Likewise.
1811 * genopinit.c: Likewise.
1812 * genoutput.c: Likewise.
1813 * genpeep.c: Likewise.
1814 * genrecog.c: Likewise.
1815 * getpwd.c: Likewise.
1816 * halfpic.c: Likewise.
1818 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
1819 in NEED_DECLARATION_* macros.
1821 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
1822 conform to libiberty standards.
1823 (fatal): Fix const-ification of variable `format' in
1824 !ANSI_PROTOTYPES case.
1826 * prefix.c: Remove things made redundant by libiberty.h and/or
1827 conform to libiberty standards.
1829 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
1830 conflicting with function `spaces' from libiberty.
1832 * profile.c: Remove things made redundant by libiberty.h and/or
1833 conform to libiberty standards.
1834 * protoize.c: Likewise.
1837 * tlink.c: Likewise.
1838 * toplev.c: Likewise.
1839 * toplev.h: Likewise.
1842 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1844 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
1846 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1848 * README.C4X: Updated URLs.
1849 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
1850 (valid_parallel_operands_5): Remove unused variable.
1852 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1854 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
1856 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
1858 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
1859 which can be configured.
1860 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
1861 (Makefile): Pass actual LANGUAGES through the environment when
1863 (cstamp-h): Likewise.
1864 (config.status): Likewise.
1866 * configure.in (enable_languages): Add new configuration parameter
1867 "--enable-languages=lang1,lang2,...".
1868 (${srcdir}/*/config-lang.in): Change handling to configure only
1869 those directories, that the user might have enabled; default to
1870 "all" existing languages.
1871 * configure: Regenerate.
1873 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
1875 * rtlanal.c (regs_set_between_p): New function.
1876 * rtl.h (regs_set_between_p): Prototype it.
1877 * jump.c (jump_optimize): Use it instead of modified_between_p
1878 in the Sep 2 change.
1880 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
1881 Matthias Pfaller <leo@dachau.marco.de>
1883 * invoke.texi (Option Summary, NS32K Options): add description
1884 of NS32K specific options.
1886 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
1887 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
1888 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
1889 negdf2, absdf2): Use l instead of f since the double class and
1890 float class are no longer the same.
1891 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
1892 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
1893 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
1894 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
1896 (cmpsi, cmphi, cmpqi): use general_operand instead of
1897 non_immediate_operand. Removes erroneous assumption that can't
1899 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
1900 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
1902 (movstrsi, movstrsi1, movstrsi2): completely new block move
1904 (...): Patterns to exploit multiply-add instructions.
1905 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
1906 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
1907 patterns to exploit extended divide insns.
1908 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
1911 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
1912 float return values as well as simple scalar floats.
1913 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
1914 support new flag to denote 32381 fpu.
1915 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
1916 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
1918 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1919 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
1920 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
1921 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
1922 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
1923 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
1924 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
1925 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
1926 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
1927 fpu registers and special register classes for new 32381
1928 instructions dotf and polyf.
1929 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
1931 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
1932 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
1934 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
1935 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
1936 (REGISTER_MOVE_COST): move code to register_move_cost function for
1937 ease of coding and debugging.
1938 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
1939 LONG_FLOAT_REGO is likely spilled but not caught by default
1941 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
1942 instead of hard coded numbers in range check.
1943 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
1944 (...): Add prototypes for functions in ns32k.c but disable because
1945 of problems when ns32k.h is included in machine independant files.
1947 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
1948 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
1949 hard_regno_mode_ok, secondary_reload_class,
1950 print_operand, print_operand_address): new register scheme to
1951 include 32381 fpu registers and special register classes for new
1952 32381 instructions dotf and polyf.
1953 (gen_indexed_expr): Make static to keep namespace clean.
1954 (check_reg): remove since never called.
1955 (move_tail, expand_block_move): helper functions for "movstrsi"
1957 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
1958 Increase cost of moves which go via memory.
1959 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
1960 (CPP_PREDEFINES): nolonger predefine "unix".
1962 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
1963 Remove erroneous %$. print_operand() can work out from the rtx is
1964 an immediate prefix is required.
1966 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
1967 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
1968 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
1970 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
1973 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
1974 Correct handling of pic operands.
1975 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
1976 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
1977 -mrtd calling convention.
1979 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
1981 * gcc.c (option_map): Recognize --output-class-directory.
1983 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1985 * loop.h (precondition_loop_p): Added new mode argument.
1986 * unroll.c (precondition_loop_p): Likewise.
1987 (approx_final_value): Function deleted and subsumed
1988 into loop_iterations.
1989 (loop_find_equiv_value): New function.
1990 (loop_iterations): Use loop_find_equiv_value to find increments
1991 too large to be immediate constants. Also use it to find terms
1992 common to initial and final iteration values that can be removed.
1994 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1996 * loop.h (struct loop_info): Define new structure.
1997 (precondition_loop_p): Added prototype.
1998 (unroll_loop): Added new argument loop_info to prototype.
1999 (final_biv_value, final_giv_value): Added new argument n_iterations
2001 * loop.c (strength_reduce): Declare new structure loop_iteration_info
2002 and new pointer loop_info.
2003 (loop_n_iterations): Replace global variable by element in
2004 loop_info structure.
2005 (check_final_value): New argument n_iterations.
2006 (insert_bct): New argument loop_info.
2007 (loop_unroll_factor): Replace global array by element in
2008 loop_info structure.
2009 (loop_optimize): Remove code to allocate and initialise
2010 loop_unroll_factor_array.
2011 * unroll.c (precondition_loop_p): No longer static since
2012 used by branch on count optimization.
2013 (precondition_loop_p, unroll_loop): New argument loop_info.
2014 (final_biv_value, final_giv_value, find_splittable_regs): New
2015 argument n_iterations.
2016 (loop_iteration_var, loop_initial_value, loop_increment,
2017 loop_final_value, loop_comparison_code, loop_unroll_factor):
2018 Replaced global variables by loop_info structure.
2019 (loop_unroll_factor): Replace global array by element in
2020 loop_info structure.
2022 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2024 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
2027 * unroll.c (precondition_loop_p): Return loop_initial_value
2028 for initial_value instead of loop_iteration_var.
2030 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2032 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
2033 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
2034 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
2035 to output the instruction sequences.
2037 (rptb_top): Provide alternatives to use any register or memory
2039 (rptb_end): Emit use of operands rather than assigning them
2040 explicitly to the RS and RE registers.
2042 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2044 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
2045 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
2046 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
2047 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
2048 c4x_merge_notes, c4x_parallel_process,
2049 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
2050 c4x_combine_parallel): Delete.
2052 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2054 * config/c4x/c4x.c: (c4x_override_options): For compatibility
2055 with old target options clear flag_branch_on_count_reg if
2056 -mno-rptb specified and set flag_argument_alias is -mno-aliases
2058 (c4x_output_cbranch): Handle a sequence of insns rather than a
2060 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
2061 has not been allocated as the loop counter.
2062 (c4x_address_conflict): Do not allow two volatile memory references.
2063 (valid_parallel_operands_4, valid_parallel_operands_5,
2064 valid_parallel_operands_6): Reject pattern if the register destination
2065 of the first set is used as part of an address in the second set.
2067 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2069 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
2070 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
2071 is no longer enabled if PARALLEL_MPY_FLAG set.
2072 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
2073 (REG_CLASS_CONTENTS): Add braces around initializers.
2074 (HAVE_MULTIPLE_PACK): Define.
2075 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
2076 REAL_VALUE_TO_DECIMAL.
2077 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
2078 REAL_VALUE_TO_DECIMAL.
2079 (ar0_reg_operand): Add prototype.
2080 (ar0_mem_operand): Likewise.
2081 (ar1_reg_operand): Likewise.
2082 (ar1_mem_operand): Likewise.
2083 (ar2_reg_operand): Likewise.
2084 (ar2_mem_operand): Likewise.
2085 (ar3_reg_operand): Likewise.
2086 (ar3_mem_operand): Likewise.
2087 (ar4_reg_operand): Likewise.
2088 (ar4_mem_operand): Likewise.
2089 (ar5_reg_operand): Likewise.
2090 (ar5_mem_operand): Likewise.
2091 (ar6_reg_operand): Likewise.
2092 (ar6_mem_operand): Likewise.
2093 (ar7_reg_operand): Likewise.
2094 (ar7_mem_operand): Likewise.
2095 (ir0_reg_operand): Likewise.
2096 (ir0_mem_operand): Likewise.
2097 (ir1_reg_operand): Likewise.
2098 (ir1_mem_operand): Likewise.
2099 (group1_reg_operand): Likewise.
2100 (group1_mem_operand): Likewise.
2101 (ir1_reg_operand): Likewise.
2102 (arx_reg_operand): Likewise.
2103 (not_rc_reg): Likewise.
2104 (not_modify_reg): Likewise.
2105 (c4x_group1_reg_operand): Remove prototype.
2106 (c4x_group1_mem_operand): Likewise.
2107 (c4x_arx_reg_operand): Likewise.
2109 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
2111 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
2112 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
2114 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2116 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
2119 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2121 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
2122 unless FMOVD_WORKS is defined.
2124 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2126 * regclass.c (init_reg_sets): Move code that calculates tables
2127 dependent on reg_class_contents from here...
2128 (init_reg_sets_1): To here.
2130 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2132 * cpplib.h: Delete struct import_file. Add ihash element to
2133 struct cpp_buffer. Delete dont_repeat_files and
2134 import_hash_table elements from cpp_reader; change
2135 all_include_files to a hash table. Delete all foobar_include
2136 / last_foobar_include elements from struct cpp_options; put
2137 back four such: quote_include, bracket_include,
2138 system_include, after_include. Redo struct file_name_list
2139 completely. Add new structure type include_hash. Add
2140 prototypes for merge_include_chains and include_hash. Change
2141 prototypes for finclude, find_include_file, and
2142 append_include_chain to match changes below.
2144 * cppfiles.c (simplify_pathname, include_hash,
2145 remap_filename, merge_include_chains): New functions.
2146 (add_import, lookup_import, open_include_file): Removed.
2147 (INO_T_EQ): Define this (copied from cccp.c).
2148 (hack_vms_include_specification): Remove all calls and #if 0
2149 out the definition. It was being called incorrectly and at
2150 the wrong times. Until a VMSie can look at this, it's better
2151 to not pretend to support it.
2152 (append_include_chain): Change calling convention; now takes
2153 only one directory at a time, and sets up the data structure
2155 (redundant_include_p): Rewritten - this is now used for all
2156 include redundancy, whether by #ifndef, #import, or #pragma
2157 once. Looks up things in the include hash table.
2158 (file_cleanup): Decrement pfile->system_include_depth here if
2160 (find_include_file): Calling convention changed; now passes
2161 around a struct include_hash instead of 3 separate parameters.
2162 Guts ripped out and replaced with new include_hash mechanism.
2163 (finclude): Calling convention changed as for
2164 find_include_file. Error exits pulled out-of-line. Reformat.
2165 (safe_read): Return a long, not an int.
2166 (deps_output): Don't recurse.
2168 * cpplib.c (is_system_include): Deleted.
2169 (path_include): Fix up call to append_include_chain.
2170 (do_include): Fix up calls to find_include_file and finclude.
2171 Clean up dependency output a bit. Shorten obnoxiously lengthy
2172 #import warning message. Don't decrement
2173 pfile->system_include_depth here.
2174 (do_pragma): Understand the include_hash structure. Reformat.
2175 (do_endif): Correct handling of control macros. Understand
2177 (cpp_start_read): Fix up calls to finclude. Call
2178 merge_include_chains.
2179 (cpp_handle_option): Fix up calls to append_include_chain.
2180 Understand the four partial include chains.
2181 (cpp_finish): Add debugging code (#if 0-ed out) for the
2183 (cpp_cleanup): Free the include_hash, not the import hash and
2184 the all_include and dont_repeat lists which no longer exist.
2186 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
2188 * toplev.c (no_new_pseudos): Define.
2189 (rest_of_compilation): Set no_new_pseudos as needed.
2190 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
2191 if no_new_pseudos is set.
2192 * rtl.h (no_new_pseudos): Declare it.
2193 * reload1.c (reload): Update comments.
2194 * md.texi: Corresponding changes.
2196 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2198 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
2199 (choose_reload_regs): Rename it here as well. When computing it,
2200 also merge in used hardregs.
2202 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2204 * gcc.c: Split out Objective-C specs to...
2205 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
2208 * c-lex.c (init_parse): Always initialize the filename global.
2209 * objc/objc-act.c (lang_init): Always call check_newline at
2212 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
2214 * reload1.c (reload): Remove unused variable.
2215 (reload_reg_free_for_value_p): Add missing parameter definition.
2217 * jump.c (jump_optimize): Remove unused variable.
2219 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
2221 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
2223 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
2225 * expr.c (move_by_pieces): Similarly.
2226 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
2227 * flow.c (find_auto_inc): Similarly.
2228 (try_pre_increment): Similarly.
2229 * loop.c (strength_reduce): Similarly.
2230 * regclass.c (auto_inc_dec_reg_p): Similarly.
2231 * regmove.c (try_auto_increment): Similarly.
2232 (fixup_match_1): Similarly.
2233 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
2234 (HAVE_PRE_DECREMENT): Similarly.
2235 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
2236 * Corresponding changes to all target header files.
2237 * tm.texi: Update docs for autoinc addressing modes.
2239 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
2241 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
2242 * configure: Rebuild.
2243 * config/elfos.h: New file.
2244 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
2245 config/m68k/t-m68kelf: New file.
2247 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
2249 * Makefile.in (HOST_AR): Define.
2250 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
2251 (libcpp.a): Use the host tools explicitly.
2252 (STAGESTUFF): Add libcpp.a.
2254 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
2256 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
2257 to source and destination registers.
2259 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
2261 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
2262 The strategy we now use is to pre allocate the top_elt along
2263 with the EH context so that each thread has its own top_elt.
2264 This is necessary as the dynmanic cleanup chain is used on the
2265 top element of the stack and each thread MUST have its own.
2266 (eh_context_static): Likewise.
2267 (new_eh_context): Likewise.
2268 (__sjthrow): Likewise.
2270 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
2272 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
2273 * i386.md (prologue_get_pc): Remove unused variable.
2275 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
2277 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
2279 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
2281 * Makefile.in (OBJS): Add graph.o
2282 (graph.o): New dependency list.
2283 * flags.h: Declare dump_for_graph and define graph_dump_types type.
2284 * print-rtl.c (dump_for_graph): Define new variable.
2285 (print_rtx): Rewrite to allow use in graph dumping functions.
2286 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
2287 finish_graph_dump_file.
2288 Define graph_dump_format.
2289 (compile_file): If graph dumping is enabled also clear these files.
2290 Finish graph dump files.
2291 (rest_of_compilation): Also dump graph information if enabled.
2292 (main): Recognize -dv to enabled VCG based graph dumping.
2293 * graph.c: New file. Graph dumping functions.
2295 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
2297 * configure.in: Look for <sys/stat.h>.
2298 * system.h: Include it before substitute S_ISREG definitions.
2300 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
2302 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
2303 * config/mips/iris6.h: Same.
2304 * config/mips/mips.md: Same.
2305 * config/mips/mips.c: Same; also add "-mabi=o64" option.
2306 * config/mips/mips.h: Same; also define ABI_O64.
2308 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2310 * configure.in: Use AC_PREREQ(2.12.1).
2312 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2314 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
2315 * cpplib.c, gcc.c: Likewise.
2316 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
2318 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
2320 * local-alloc.c (local_alloc): Use malloc not alloca for
2321 reg_qty, reg_offset, ref_next_in_qty.
2323 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2325 * caller-save.c (insert_one_insn): Initialize the live_before and
2326 live_after register sets.
2330 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
2331 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
2332 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
2333 (fp_reg_names, assembler_dialect): New variables.
2334 (print_operand_address): Handle SUBREGs.
2335 (print_operand): Added 'o' case.
2336 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
2337 Name of FP registers depends on mode.
2338 (expand_block_move): Emit different code for SH4 hardware.
2339 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
2340 (from_compare): Likewise.
2341 (add_constant): New argument last_value. Changed all callers.
2342 (find_barrier): Don't try HImode load for FPUL_REG.
2343 (machine_dependent_reorg): Likewise.
2344 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
2345 (gen_far_branch): Emit a barrier after the new jump.
2346 (barrier_align): Don't trust instruction lengths before
2348 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
2349 Use auto-inc addressing for fp registers if doubles need to
2350 be loaded in two steps.
2351 Set sh_flag_remove_dead_before_cse.
2352 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
2353 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
2354 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
2355 Support for FIRST_XD_REG .. LAST_XD_REG.
2356 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
2357 (sh_expand_epilogue): Likewise.
2358 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
2359 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
2360 (arith_reg_operand): FPUL_REG is OK for SH4.
2361 (fp_arith_reg_operand, fp_extended_operand) New functions.
2362 (tertiary_reload_operand, fpscr_operand): Likewise.
2363 (commutative_float_operator, noncommutative_float_operator): Likewise.
2364 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
2365 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
2366 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
2367 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
2368 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
2369 (CONDITIONAL_REGISTER_USAGE): Likewise.
2370 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
2371 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
2372 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
2373 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
2374 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
2375 to -1 and sh_flag_remove_dead_before_cse to 1.
2376 (ASSEMBLER_DIALECT): Define to assembler_dialect.
2377 (assembler_dialect, fp_reg_names): Declare.
2378 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
2379 Hide names of registers that are not accessible.
2380 (CACHE_LOG): Take TARGET_CACHE32 into account.
2381 (LOOP_ALIGN): Take TARGET_HARWARD into account.
2382 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
2383 (FIRST_PSEUDO_REGISTER: Now 49.
2384 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
2385 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
2386 (HARD_REGNO_MODE_OK): Update.
2387 (enum reg_class): Add DF_REGS and FPSCR_REGS.
2388 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
2389 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
2390 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
2391 (NPARM_REGS): Eight floating point parameter registers on SH4.
2392 (BASE_RETURN_VALUE_REG): SH4 also passes double values
2393 in floating point registers.
2394 (GET_SH_ARG_CLASS) Likewise.
2395 Complex float types are also returned in float registers.
2396 (BASE_ARG_REG): Complex float types are also passes in float registers.
2397 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
2398 (LIBCALL_VALUE): Remove trailing semicolon.
2399 (ROUND_REG): Round when double precision value is passed in floating
2401 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
2402 passed on the stack.
2403 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
2404 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
2405 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
2406 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
2407 (MODE_DISP_OK_8): Not for SH4 DFmode.
2408 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
2409 Allow indexed addressing for PSImode after reload.
2410 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
2411 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
2412 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
2413 (DOUBLE_TYPE_SIZE): 64 for SH4.
2414 (RTX_COSTS): Add PLUS case.
2415 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
2416 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
2417 MAC_REGS, PR_REGS, DF_REGS.
2418 (REGISTER_NAMES): Use fp_reg_names.
2419 (enum processor_type): Add PROCESSOR_SH4.
2420 (sh_flag_remove_dead_before_cse): Declare.
2421 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
2422 (PREDICATE_CODES): Add binary_float_operator,
2423 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
2424 fpscr_operand, noncommutative_float_operator.
2425 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
2426 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
2427 * sh.md (attribute cpu): Add value sh4.
2428 (attrbutes fmovd, issues): Define.
2429 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
2430 (function units memory, int, mpy, fp): Make dependent on issue rate.
2431 (function units issue, single_issue, load_si, load): Define.
2432 (function units load_store, fdiv, gp_fpul): Define.
2433 (attribute hit_stack): Provide proper default.
2434 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
2435 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
2436 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
2437 (mulsi3_call): Now uses match_operand for function address.
2438 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
2440 (push, pop, push_e, pop_e): Now define_expands.
2441 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
2442 (movsi_ie): Added y/i alternative.
2443 (ic_invalidate_line_i, movdf_i4): New insns.
2444 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
2445 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
2446 (movdf): Add special code for SH4.
2447 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
2448 (call_valuei, calli, call_value): Likewise.
2449 (movsf): Emit no-op move.
2450 (mov_nop, movsi_y): New insns.
2451 (blt, sge): generalize to handle DFmode.
2452 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
2453 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
2454 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
2455 (fpu_switch0, fpu_switch1, movpsi): New expanders.
2456 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
2457 (toggle_sz): New insn.
2458 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
2459 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
2460 (macsf3): Make use of fpscr visible. Disable for SH4.
2461 (floatsisf2): Make use of fpscr visible.
2462 (floatsisf2_i4): New insn.
2463 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
2464 (ieee_ccmpeqsf_t): Likewise.
2465 (fix_truncsfsi2): Emit different code for SH4.
2466 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
2467 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
2468 (negsf2, sqrtsf2, abssf2): Now expanders.
2469 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
2470 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
2471 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
2472 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
2473 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
2474 (fix_truncdfsi2_i4_2+1): New splitters.
2475 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
2476 (extendsfdf2, truncdfsf2): New expanders.
2477 (truncdfsf2_i4): New insn.
2478 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
2479 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
2480 * float-sh.h: When testing for __SH3E__, also test for
2481 __SH4_SINGLE_ONLY__ .
2482 * va-sh.h (__va_freg): Define to float.
2483 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
2484 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
2485 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
2486 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
2488 (TARGET_SH4_P): Define.
2491 * sh.md (movdf_k, movsf_i): Tweak the condition so that
2492 init_expr_once is satisfied about the existence of load / store insns.
2494 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
2495 change m constraint in source operand to mr / mf .
2497 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
2499 * (__VA_REEF): Define.
2500 (__va_arg_sh1): Use it.
2502 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
2504 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
2506 * i386/dgux.c (struct option): Add new "description field".
2507 * m88k/m88k.c (struct option): Likewise.
2509 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
2511 * version.c: Bump for snapshot.
2513 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2515 * regmove.c (regmove_profitable_p): Use return value of find_matches
2518 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
2520 * version.c: Bump for snapshot.
2522 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
2524 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
2525 without reload having been called earlier.
2527 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
2529 (v850_reorg): Similarly.
2531 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
2533 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2535 * loop.c (move_movables): Start of libcall might be new loop start.
2537 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2539 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
2541 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2543 * function.c (nonlocal_goto_handler_slots): Renamed from
2544 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
2545 (push_function_context_to): Adjust for this change.
2546 (pop_function_context_from): Likewise.
2547 (init_function_start): Likewise.
2548 (expand_function_end): Likewise.
2549 * function.h (struct function): Likewise.
2550 * calls.c (expand_call): Likewise.
2551 * explow.c (allocate_dynamic_stack_space): Likewise.
2552 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
2553 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
2555 (expand_goto): When doing a nonlocal goto, find corresponding handler
2556 slot for it. Don't put the label address in the static chain register.
2557 (expand_end_bindings): Break out nonlocal goto handling code into
2558 three new functions.
2559 (expand_nl_handler_label, expand_nl_goto_receiver,
2560 expand_nl_goto_receivers): New static functions, broken out of
2561 expand_end_bindings and adapted to create one handler per nonlocal
2563 * function.c (delete_handlers): Delete insn if it references any of
2564 the nonlocal goto handler slots.
2565 * i960.md (nonlocal_goto): Comment out code that modifies
2567 * sparc.md (nonlocal_goto): Likewise.
2568 (goto_handler_and_restore_v9): Comment out.
2569 (goto_handler_and_restore_v9_sp64): Comment out.
2571 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2573 * expr.c (STACK_BYTES): Delete unused macro.
2574 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
2575 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2576 (expand_call): Likewise.
2577 (emit_library_call): Likewise.
2578 (emit_library_call_value): Likewise.
2579 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
2580 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2581 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
2582 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2583 (allocate_dynamic_stack_space): Likewise.
2584 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
2585 (STACK_BOUNDARY): Update description to reflect the new situation.
2587 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
2589 * reorg.c (relax_delay_slots): When optimizing for code size, if a
2590 return with a filled delay slot is followed by a return with an
2591 unfilled delay slot, delete the first return and reemit the insn
2592 that was previously in its delay slot.
2594 * i860.c (single_insn_src_p): Add missing parens.
2595 * ginclude/math-3300.h: Likewise.
2597 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
2599 * regclass.c (init_reg_sets_1): Add prototype.
2600 (init_reg_modes): Likewise.
2602 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
2604 * c-common.c: Change warning messages to say `comparison is
2605 always true' or `comparison is always false' instead of the
2606 confusing `is always 0', `is always 1'.
2608 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
2610 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
2611 break instead of return (which loses closing '>').
2613 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
2615 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
2616 standard 387 constants.
2618 * i386.md (jump): Explicitly set "memory" attribute.
2619 (indirect_jump, prologue_set_stack_ptr): Likewise.
2620 (prologue_get_pc_and_set_got, pop): Likewise.
2621 (allocate_stack_worder, blockage, return_internal): Likewise.
2622 (return_pop_internal, nop): Likewise.
2623 (epilogue_set_stack_ptr, leave): Likewise.
2625 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
2627 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
2629 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2631 * reload1.c (reload_reg_free_for_value_p):
2632 Early auto_inc reloads don't conflict with outputs.
2634 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2636 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
2637 Instead call AC_HEADER_SYS_WAIT.
2639 * collect2.c: Don't provide defaults for sys/wait.h macros.
2641 * protoize.c: Likewise. Also, don't include sys/wait.h.
2643 * system.h: Include sys/wait.h and provide macro defaults.
2645 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2647 * Makefile.in (mandir): Set to @mandir@.
2648 (man1dir): New variable to hold the former value of $(mandir).
2649 Replace all uses of $(mandir) by $(man1dir).
2651 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
2653 * reload.c (find_reloads_address_part): If have a CONST_INT, create
2654 a new one before passing it to force_const_mem.
2656 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
2657 find_reloads_address call.
2659 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2661 * expr.c (store_expr): Don't generate load-store pair
2662 if TEMP is identical (according to ==) with TARGET.
2664 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2666 * reload1.c (reload_reg_free_for_value_p): When considered reload
2667 has an output, matching inputs are not sufficient to avoid conflict.
2669 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
2671 * hash.h (hash_table_key): New type.
2672 (hash_entry): Change `string' field to generic `key'.
2673 (hash_table): Add `comp' and `hash' functions.
2674 (hash_table_init): Take them as input.
2675 (hash_table_init_n): Likewise.
2676 (hash_lookup): Modify for generic keys.
2677 (hash_newfunc): Likewise.
2678 (hash_traverse): Likewise.
2679 (string_hash): New function.
2680 (string_compare): Likewise.
2681 (string_copy): Likewise.
2682 * hash.c (hash_table_init_n): Modify for generic keys.
2683 (hash_table_init): Likewise.
2684 (hash_lookup): Likewise.
2685 (hash_newfunc): Likewise.
2686 (hash_traverse): Likewise.
2687 (string_hash): Split out from hash_lookup.
2688 (string_compare): New function.
2689 (string_copy): Split out from hash_lookup.
2690 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
2692 (symbol_hash_lookup): Likewise.
2693 (file_hash_newfunc): Likewise.
2694 (file_hash_lookup): Likewise.
2695 (demangled_hash_newfunc): Likewise.
2696 (demangled_hash_lookup): Likewise.
2697 (tlink_int): Likewise.
2698 (read_repo_file): Likewise.
2699 (recompile_files): Likewise.
2700 (demangle_new_symbols): Likewise.
2701 (scan_linker_output): Likewise.
2703 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2705 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
2707 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
2709 * rs6000.c (output_mi_thunk): Improve test for local branch.
2711 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2713 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
2715 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2717 * reload1.c (reload_reg_free_before_p): Delete.
2718 Changed all callers to use reload_reg_free_for_value_p instead.
2719 (reload_reg_free_for_value_p): Handle more reload types.
2720 A RELOAD_FOR_INPUT doesn't conflict with its
2721 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
2722 Add special case for OUT == const0_rtx.
2723 Added ignore_address_reloads argument. Changed all callers.
2725 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
2727 * toplev.c (compile_file): Don't pedwarn about undefined static
2728 functions just because we passed -Wunused.
2730 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2732 * function.c (purge_addressof_1): Unshare rtl created by
2735 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2737 * regmove.c (regmove_optimize): Don't do anything but
2738 optimize_reg_copy[123] when flag_regmove is not set.
2740 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
2742 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
2743 value in paradoxical SImode result, rather than truncating midpoint.
2745 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
2747 * alpha.c (reg_not_elim_operand): New.
2748 * alpha.h (PREDICATE_CODES): Add it.
2749 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
2750 for the multiplicand.
2752 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
2754 * rs6000.md (movsf): Remove explicit secondary-reload-like
2755 functionality. Only truncate SFmode store if in FPR.
2756 (movsf splitters): Combine const_double splitters.
2757 (movsf_hardfloat): Add GPR support.
2759 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
2761 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
2762 deprecate -mlive-g0 and -mbroken-saverestore.
2763 * t-splet (MULTILIB_OPTIONS): Likewise.
2765 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
2766 in a leaf function. Clarify total_size/extra_size relationship.
2768 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
2770 * i386/cygwin32.asm: Delete.
2771 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
2772 * i386/cygwin32.h: Delete.
2773 * i386/cygwin.h: New file, renamed from cygwin32.h.
2774 * i386/t-cygwin32: Delete.
2775 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
2776 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
2777 * i386/x-cygwin32: Delete.
2778 * i386/x-cygwin: New file, renamed from x-cygwin32.
2779 * i386/xm-cygwin32: Delete.
2780 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
2781 renamed cygwin_ funcs for path translations.
2782 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
2783 * i386/winnt.c: Remove "32" from comment about cygwin.
2784 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
2785 * rs6000/cygwin32.h: Delete.
2786 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
2787 -D__CYGWIN__ to CPP_PREDEFINES.
2788 * rs6000/x-cygwin32: Delete.
2789 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
2790 * rs6000/xm-cygwin32: Delete.
2791 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
2793 * configure.in: Check for cygwin* instead of cygwin32. Account
2794 for the rename of cygwin-related config files to lose the "32"s.
2795 * configure: Regenerate.
2797 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
2798 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
2800 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
2802 * Makefile.in (JAVAGC): New macro.
2803 * configure: Rebuilt.
2804 * configure.in: Recognize --enable-java-gc argument. Subst
2807 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2809 Handle equivalences that have been obscured by gcse:
2811 * reload1.c (reload): Handle equivalences set up in multiple places.
2812 * local-alloc.c (reg_equiv_init_insns): New variable.
2813 (no_equiv): New function.
2814 (update_equiv_regs): Handle equivalences set up in multiple places.
2815 Don't ignore an insn just because its destination is likely to be
2818 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
2820 * except.c (expand_eh_return): Readd force_operand call lost in
2823 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
2825 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
2827 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2829 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
2831 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2833 * regmove.c (regmove_optimize): Fix error in last change.
2835 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
2837 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
2838 offset in the .mask pseudo to compensate for frame pointer adjustments.
2839 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
2840 word swap arguments moved to/from FP registers.
2841 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
2843 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
2845 * version.c: Bump for snapshot.
2847 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
2849 * version.c: Bump for snapshot.
2851 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
2853 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
2854 times, then it can not be completely replaced.
2856 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
2858 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
2860 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2862 * gansidecl.h: Prepend a "G" to the macro wrapping this file
2863 (to distinguish it from the macro wrapping ansidecl.h.)
2864 Include libiberty's ansidecl.h. Remove all redundant definitions.
2865 Define the PROTO() style macros in terms of the PARAMS() ones.
2868 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
2869 __STDC__, when deciding whether to use ANSI variable args.
2870 (emit_library_call_value): Likewise.
2872 * cccp.c (error): Likewise.
2873 (warning): Likewise.
2874 (error_with_line): Likewise.
2875 (warning_with_line): Likewise.
2876 (pedwarn): Likewise.
2877 (pedwarn_with_line): Likewise.
2878 (pedwarn_with_file_and_line): Likewise.
2881 * cexp.y (error): Likewise.
2882 (pedwarn): Likewise.
2883 (warning): Likewise.
2885 * collect2.c (fatal_perror): Likewise.
2889 * combine.c (gen_rtx_combine): Likewise.
2891 * cpperror.c (cpp_message): Likewise.
2892 (cpp_fatal): Likewise.
2894 * cpplib.c (cpp_error): Likewise.
2895 (cpp_warning): Likewise.
2896 (cpp_pedwarn): Likewise.
2897 (cpp_error_with_line): Likewise.
2898 (cpp_warning_with_line): Likewise.
2899 (cpp_pedwarn_with_line): Likewise.
2900 (cpp_pedwarn_with_file_and_line): Likewise.
2902 * cpplib.h: Don't define PARAMS() macro.
2904 * demangle.h: Likewise.
2906 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
2907 when deciding whether to use ANSI variable args.
2909 * emit-rtl.c (gen_rtx): Likewise.
2910 (gen_rtvec): Likewise.
2912 * final.c (asm_fprintf): Likewise.
2914 * fix-header.c (cpp_message): Likewise.
2916 (cpp_fatal): Likewise.
2918 * gcc.c (concat): Likewise.
2922 * genattr.c (fatal): Likewise.
2924 * genattrtab.c (attr_rtx): Likewise.
2925 (attr_printf): Likewise.
2928 * gencodes.c (fatal): Likewise.
2930 * genconfig.c (fatal): Likewise.
2932 * genemit.c (fatal): Likewise.
2934 * genextract.c (fatal): Likewise.
2936 * genflags.c (fatal): Likewise.
2938 * genopinit.c (fatal): Likewise.
2940 * genoutput.c (fatal): Likewise.
2943 * genpeep.c (fatal): Likewise.
2945 * genrecog.c (fatal): Likewise.
2947 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
2948 deciding whether to declare `tree_node' and `rtx_def'.
2950 * hash.h: Don't define stuff we get from gansidecl.h.
2952 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
2953 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2954 whether to use ANSI variable args.
2957 * prefix.c (concat): Likewise.
2961 * system.h: Likewise.
2963 * toplev.c (error_with_file_and_line): Likewise.
2964 (error_with_decl): Likewise.
2965 (error_for_asm): Likewise.
2968 (warning_with_file_and_line): Likewise.
2969 (warning_with_decl): Likewise.
2970 (warning_for_asm): Likewise.
2971 (warning): Likewise.
2972 (pedwarn): Likewise.
2973 (pedwarn_with_decl): Likewise.
2974 (pedwarn_with_file_and_line): Likewise.
2976 (really_sorry): Likewise.
2978 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2979 whether to declare `tree_node' and `rtx_def'.
2981 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
2982 deciding whether to use ANSI variable args.
2983 (build_nt): Likewise.
2984 (build_parse_node): Likewise.
2986 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
2988 * version.c: Bump for snapshot.
2990 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2992 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
2994 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
2996 * collect2.c (main, case 'b'): Use else if.
2998 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3000 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
3001 Arrange to include gansidecl.h in {ht}config.h & tm.h just
3002 before the config/ directory headers.
3003 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
3004 gansidecl.h in the list of dependencies.
3006 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
3007 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
3008 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
3009 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
3010 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
3011 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
3014 * cccp.c: Don't include gansidecl.h.
3016 * collect2.c: Likewise.
3017 * config/c4x/c4x.c: Likewise.
3018 * config/v850/v850.h: Likewise.
3019 * cppalloc.c: Likewise.
3020 * cpperror.c: Likewise.
3021 * cppexp.c: Likewise.
3022 * cppfiles.c: Likewise.
3023 * cpphash.c: Likewise.
3024 * cpplib.c: Likewise.
3025 * cppmain.c: Likewise.
3026 * cppulp.c: Likewise.
3027 * demangle.h: Likewise.
3028 * doprint.c: Likewise.
3029 * dyn-string.c: Likewise.
3030 * eh-common.h: Likewise.
3031 * fix-header.c: Likewise.
3032 * frame.c: Likewise.
3035 * gen-protos.c: Likewise.
3036 * gencheck.c: Likewise.
3037 * halfpic.h: Likewise.
3039 * machmode.h: Likewise.
3040 * mbchar.c: Likewise.
3041 * prefix.c: Likewise.
3042 * protoize.c: Likewise.
3043 * recog.h: Likewise.
3045 * scan-decls.c: Likewise.
3047 * varray.h: Likewise.
3049 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
3051 * i386.md (call_value_pop): If we're not popping anything,
3052 defer to call_value.
3053 (call_pop): Likewise defer to call.
3055 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
3057 * function.c (purge_addressof): Clear purge_addressof_replacements
3058 only after processing the whole function.
3060 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
3062 * reload1.c (reload): If we can not perform a particular elimination
3063 when we thought we could earlier, then we must always iterate through
3064 the loop at least one more time.
3066 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
3068 * alpha.c (add_operand): Simplify the CONST_INT match.
3069 (sext_add_operand): Correct typo in comparison by using
3070 CONST_OK_FOR_LETTER_P.
3071 * alpha.md (s?addq): Use sext_add_operand to allow the negative
3072 constant alternatives to be generated.
3073 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
3074 small constants, since the hw instructions do.
3076 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3078 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
3079 previous insn to store directly into our reload register, make sure
3080 that if the source of the previous insn is a reload register, its
3081 spill_reg_store and spill_reg_stored_to values are cleared.
3083 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
3085 * rs6000.md (floatunssidf2_internal splitter): Use base register
3086 operand, not hard-coded SP.
3088 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3090 * jump.c (calculate_can_reach_end): Fix thinko.
3092 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
3094 * reorg.c (fill_simple_delay_slots): Fix typo.
3096 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
3098 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
3100 * i386.md (extendsidi2): Use # in the output template.
3101 (extendsidi splitters): New splitters.
3103 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
3105 * configure.in: Use unknown-elf.h as tm_file for arm-elf
3107 * configure: Regenerate.
3109 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3111 * jump.c (init_label_info, delete_barrier_successors,
3112 mark_all_labels, delete_unreferenced_labels,
3113 delete_noop_moves, calculate_can_reach_end): New functions broken
3114 out of jump_optimize.
3115 (jump_optimize): Use them.
3117 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
3119 * except.c (expand_fixup_region_end): Make sure outer context labels
3120 are not issued in an inner context during cleanups.
3122 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
3124 * alpha.md (addsi3, subsi3): No new temporaries once cse is
3127 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
3129 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
3130 to expose this midpoint to CSE.
3132 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3134 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
3136 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3138 * configure.in: Bring over gcc2 change of Nov 19 1997.
3140 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
3142 * toplev.c (output_lang_identify): Make definition dependent on
3143 ASM_IDENTIFY_LANGUAGE.
3145 * print-rtl.c (spaces): Make static.
3147 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
3149 * extend.texi: Clarify proper uses for register clobbers in asms.
3151 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3153 * recog.h (enum op_type): Define.
3154 (constrain_operands): Adjust prototype.
3155 (recog_op_type): Declare new variable.
3156 * recog.c (recog_op_type): New variable.
3157 (insn_invalid_p): Allow modifying an asm statement after reload.
3158 (extract_insn): Set up recog_op_type.
3159 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
3160 Don't compute operand types, use recog_op_type.
3161 Use the information computed by extract_insn instead of the previous
3162 method of finding it by insn code number.
3163 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
3164 * reorg.c (fill_slots_from_thread): Likewise.
3165 * reload1.c (reload_as_needed): Likewise.
3166 (gen_reload): Likewise.
3167 (inc_for_reload): Likewise.
3168 (reload_cse_simplify_operands): Likewise.
3169 Use the information computed by extract_insn instead of the previous
3170 method of finding it by insn code number.
3171 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
3173 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
3174 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
3175 Use the information computed by extract_insn instead of the previous
3176 method of finding it by insn code number.
3177 * regmove.c (find_matches): Likewise. Change meaning of the return
3178 value to be nonzero if the optimization can be performed, zero if
3179 not. All callers changed.
3180 Shorten some variable names to fix formatting problems.
3181 (regmove_optimize): Shorten some variable names to fix formatting
3183 Use the information computed by extract_insn instead of the previous
3184 method of finding it by insn code number.
3185 * regclass.c (scan_one_insn): Likewise.
3186 (record_reg_classes): Don't compute operand types, use recog_op_type.
3187 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
3188 recog_constraints instead.
3190 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
3192 * rtl.h (flow2_completed): Declare.
3193 * flow.c (flow2_completed): Definition.
3194 * toplev.c (rest_of_compilation): Set and clear flow2_completed
3197 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
3199 * Makefile.in (libcpp.a): Ranlib libcpp.a
3201 * cppulp.c (user_label_prefix): Initialize.
3203 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
3205 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
3206 at a RETURN if current_function_sp_is_unchanging is set.
3208 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3210 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
3212 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
3214 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
3215 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
3216 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
3217 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
3218 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
3219 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
3221 (LIB_SPEC): Handle -mno-cyginw option.
3222 (LINK_SPEC): Handle -mdll.
3224 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3226 * reload.c (find_reloads): Fix test for usage by other reload
3227 to handle secondary reloads properly.
3229 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3231 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
3232 intermediate structure which has exactly the members provided by
3233 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
3234 static intermediate structure.
3236 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
3237 from the intermediate structure. Do the same analogous fix in
3238 the case where ELIMINABLE_REGS is not defined.
3240 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
3242 * pa.h (SELECT_SECTION): Fix thinko.
3244 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
3246 * dwarf2out.c (output_call_frame_info): Comments on last change.
3248 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
3250 * arm.c (add_constant): When taking the address of an item in the
3251 pool, get the mode of the item addressed.
3253 * arm.c (final_prescan_insn case INSN): If an insn doesn't
3254 contain a SET or a PARALLEL, don't consider it for conditional
3257 Restore ABI compatibility for NetBSD.
3258 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
3260 (RETURN_IN_MEMORY): Likewise.
3262 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
3264 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
3265 (m32r_output_block_move): Rewrite bytes < 4 handling.
3267 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3269 * configure.in: Call AC_FUNC_VFORK.
3271 * collect2.c: Define VFORK_STRING as a printable string for
3272 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
3273 defined, include vfork.h. If VMS is defined, define vfork()
3274 appropriately. Remove vfork check on USG, we're using autoconf.
3275 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
3276 checking locally what string to pass.
3277 (scan_prog_file): Likewise.
3278 (scan_libraries): Likewise.
3280 * gcc.c: Remove vfork check on USG, we're using autoconf.
3281 Besides, no calls to vfork/fork occur in this file.
3283 * protoize.c: Likewise.
3285 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3287 * configure.in (DEFAULT_LINKER): renamed from LD
3288 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
3289 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
3290 * configure: rebuilt
3292 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3294 * BUGS: fix the regexp for `more' to find the appropriate node.
3295 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
3297 * BUGS: added link to the WWW FAQ
3299 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
3301 * version.c: Bump for snapshot.
3303 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
3305 * From Christian Gafton:
3306 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
3307 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
3308 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
3310 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
3312 * c-common.c (c_get_alias_set): Allow all type-punning through
3313 unions. Don't get confused about the type of a bit-field, despite
3314 the antics of build_modify_expr.
3316 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
3318 * fixinc.sco: Paramaterize #include_next values.
3319 * fixinc/fixinc.sco: Likewise.
3321 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
3323 * toplev.c (rest_of_compilation): No longer set reload_completed.
3324 * reload1.c (reload): Set it here. Perform instruction splitting
3325 after reload has completed if we will be running the scheduler
3328 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
3330 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
3331 EH region if exceptions are enabled and we're performing cross
3333 (find_cross_jump): Exit loop if the insns are in different EH regions.
3335 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
3337 * dwarf2out.c (output_call_frame_info): Use
3338 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
3340 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3342 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
3343 * c-common.c (check_format_info): Don't check for the 'x'
3344 format character twice, instead check for 'x' and 'X'
3346 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
3348 * configure.in (assembler features): Also make gas is configured if
3349 we find it in the souce tree.
3351 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
3353 * i386.c (i386_comp_type_attributes): Compare whether the
3354 attributes are defined, not their tree nodes.
3356 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3358 * configure.in (gxx_include_dir): bitten by autoconf quoting
3360 * configure: rebuilt
3362 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3364 * configure.in: Ignore non-absolute value in $AS.
3366 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
3368 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
3370 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
3372 * configure.in (msdosdjgpp): Set exeext and target_alias.
3374 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3376 * flow.c (XNMALLOC): New macro.
3377 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
3379 (add_edge, add_edge_to_label): New static functions.
3380 (free_bb_memory): New function.
3381 (flow_delete_insn): Delete function.
3382 (basic_block_drops_in): Delete variable.
3383 (find_basic_blocks): Allocate and initialize basic_block_head,
3384 basic_block_succ. Don't allocate basic_block_drops_in.
3385 Call free_bb_memory at the beginning.
3386 (find_basic_blocks_1): Don't do multiple passes.
3387 Delete code to compute basic_block_drops_in.
3388 After calling make_edges, mark blocks reached by current block live.
3389 Update test for unreachable live blocks.
3390 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
3392 Simplify to call add_edge_to_label when a LABEL_REF is found.
3393 (make_edges): Simplify to call add_edge_to_label instead of
3394 mark_label_ref most of the time.
3395 Compute here whether control drops into the next block.
3396 (delete_unreachable_blocks): Return void. All callers changed.
3397 Delete unreachable blocks in reverse order.
3398 After deleting all unreachable blocks, renumber the remaining ones
3399 and update n_basic_blocks.
3400 (delete_block): Speed up deletion a bit.
3401 Don't set basic_block_drops_in for deleted blocks.
3402 (free_basic_block_vars): Don't free basic_block_drops_in.
3403 (life_analysis_1): Update to use new edge representation.
3404 (dump_flow_info): Delete code to print basic block info; call
3405 dump_bb_data instead.
3406 (compute_preds_succs): Delete code to recompute basic_block_drops_in
3407 and uid_block_number.
3408 Simply copy the previously computed cfg.
3409 (dump_bb_data): New arg LIVE_INFO. All callers changed.
3410 Print register lifetime information if LIVE_INFO is nonzero.
3411 * basic-block.h (dump_bb_data): Adjust prototype.
3412 * gcse.c (gcse_main): Update call to dump_bb_data.
3413 * rtl.h (free_bb_memory): Declare.
3414 * toplev.c (rest_of_compilation): Call free_bb_memory.
3416 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
3417 (update_eliminable_offsets): Don't compute it.
3418 (set_initial_elim_offsets): Don't initialize it.
3419 Break out some code into set_initial_label_offsets so the rest of
3420 this function can be called from reload_as_needed.
3421 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
3422 ELIMINABLE_REGS isn't.
3423 (set_initial_label_offsets): New function, broken out of
3424 set_initial_elim_offsets.
3425 (set_offsets_for_label): New function, broken out of set_label_offsets
3426 and reload_as_needed.
3427 (reload): Call the two new functions.
3428 (reload_as_needed): Call set_initial_elim_offsets instead of
3429 duplicating the code. Likewise for set_offsets_for_label.
3431 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
3432 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
3433 any hard reg, reg_reloaded_dead contains valid data.
3435 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
3437 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
3438 "stdcall" and "cdecl" attributes.
3440 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
3442 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
3443 handle deleted no-op moves of hard registers.
3444 * haifa-sched.c (update_flow_info): Likewise.
3446 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
3448 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
3449 of the sequences to reload the HILO register which do not actually
3452 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
3454 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
3456 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
3458 * except.c (emit_eh_context): Make the EH context register stay alive
3459 at -O0 so stupid.c doesn't get confused.
3461 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3463 * emit-rtl.c (try_split): Do not try to split a BARRIER.
3465 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
3466 Jeffrey A Law (law@cygnus.com)
3468 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
3469 (zero_extendsidi2): Use # in output template and handle completely by
3471 (zero_extend splitters): New define_splits.
3472 (ashiftrt_32): New pattern.
3474 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3476 * tree.c (append_random_chars): New fn.
3477 (get_file_function_name_long): Use it.
3479 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
3481 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
3482 (LIBCPP_OBJS): New. Add cppulp.o.
3483 (cppmain, fix-header): Depend on and use libcpp.a.
3484 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
3485 of the individual object files.
3486 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
3489 * cccp.c (user_label_prefix): New.
3490 (main): Set it off -f*leading-underscore.
3491 (special_symbol): Use it.
3492 * cpplib.c (special_symbol): Likewise.
3493 (cpp_handle_option): Handle -f*leading-underscore.
3494 * cppulp.c: New file.
3496 * output.h (user_label_prefix): Declare it.
3497 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
3498 * toplev.c (f_options, main): Handle -f*leading-underscore.
3500 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
3501 referencing USER_LABEL_PREFIX directly.
3502 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
3503 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
3504 * final.c (asm_fprintf): Use user_label_prefix instead.
3505 * arm/thumb.c (thumb_print_operand): Likewise.
3507 * gcc.c (default_compilers): Pass -f*leading-underscore on to
3508 cpp wherever appropriate.
3510 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
3512 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
3513 specific compiler switches.
3515 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
3517 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
3520 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3522 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
3523 structure which has exactly the members provided by EXTRA_SPECS.
3524 Xmalloc() the real `extra_specs', and initialize it from this
3525 intermediate structure.
3527 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
3529 * mips.h (EXTRA_SPECS): Likewise.
3531 * sparc.h (EXTRA_SPECS): Likewise.
3533 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3535 * function.c (purge_addressof_1): Instead of aborting when a
3536 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
3537 work just put the ADDRESSOF on stack. Otherwise remember all such
3538 successfull replacements, so that exactly the same replacements
3539 can be made on the REG_NOTEs. Remove the special case for CALL
3541 (purge_addressof_replacements): New variable.
3542 (purge_addressof): Clear it at end.
3544 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3546 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
3547 (lang_init): Call check_newline always.
3548 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
3549 cpp_start_read, set yy_cur and yy_lim to read from
3550 parse_in.token_buffer, so that we'll see the first #line
3552 * cpplib.c (cpp_start_read): finclude the main input file
3553 before processing -include/-imacros. Process -imacros and
3554 -include separately, and handle -include by stacking a
3555 buffer for the file in question as if it'd been #included.
3556 * toplev.c (documented_lang_options) Recognize -H when
3559 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3561 * cpplib.c: Merge do_once into do_pragma. Break file handling
3562 code out of do_include.
3563 Move append_include_chain, deps_output,
3564 file_cleanup, redundant_include_p, import_hash,
3565 lookup_import, add_import, read_filename_string, read_name_map,
3566 open_include_file, finclude, safe_read to cppfiles.c.
3567 Move prototypes for deps_output, append_include_chain,
3568 finclude to cpplib.h. Move definition of struct
3569 file_name_list there also.
3571 * cppfiles.c: New file. Contains all the above functions
3572 broken out of cpplib.c; also hack_vms_include_specification
3573 from cccp.c and find_include_file, a new function broken out of
3576 * Makefile.in (cppmain): Depend on cppfiles.o.
3577 (fix-header): Likewise.
3578 (cppfiles.o): New target.
3579 * configure.in (--enable-c-cpplib): Add cppfiles.o to
3580 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
3582 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
3584 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
3585 if pending_types is non-zero.
3586 (dwarfout_finish): Verify pending_types is zero before finishing.
3588 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
3590 * expr.c (convert_move): Use shifts to perform the move if a
3591 suitable extend pattern cannot be found. Code written by
3592 Richard Henderson <rth@cygnus.com>.
3594 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3596 * regclass.c (renumber, regno_allocated): New static variables, moved
3597 out of allocate_reg_info.
3598 (allocate_reg_info): Move these two variables outside the function.
3599 Move code to free memory into new function free_reg_info.
3600 (free_reg_info): New function, broken out of allocate_reg_info.
3601 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
3602 * rtl.h (allocate_reg_info): Don't declare.
3603 (free_reg_info): Declare.
3605 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
3607 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
3609 * toplev.c (compile_file): Temporarily revert last change.
3611 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3613 * c-typeck.c (convert_for_assignment): Parenthesize.
3615 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3617 * reload1.c (delete_output_reload): Avoid ambigous else.
3619 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
3621 * toplev.c (compile_file): Call allocate_reg_info to free register
3623 * rtl.h (allocate_reg_info): Declare.
3625 * PROJECTS: Remove entry for local spilling.
3627 * final.c (cleanup_subreg_operands): New function.
3628 (final_scan_insn): Use it.
3629 (alter_subreg): Clear the "used" field when we turn a SUBREG into
3631 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
3632 operands when reload has finished.
3633 * reload.h (cleanup_subreg_operands): Declare..
3634 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
3635 reload. Handled in reload itself.
3637 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3639 * reload1.c (verify_initial_offsets): New function.
3640 (reload): Call it after reload_as_needed. Also verify that the frame
3641 size stays constant during reload_as_needed.
3642 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
3644 * reload.h (struct insn_chain): Add need_operand_change element.
3645 * reload1.c (new_insn_chain): Clear it.
3646 (calculate_needs_all_insns): Set it; don't overload need_reload.
3647 (reload_as_needed): Use it.
3649 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
3650 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
3651 and reload_address_index_reg_class.
3652 (find_reloads_address_1): Likewise.
3653 * reload.h (reload_address_base_reg_class,
3654 reload_address_index_reg_class): Don't declare.
3655 * reload1.c (reg_old_renumber, pseudo_previous_regs,
3656 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
3657 (used_spill_regs): Now static.
3658 (reload_address_base_reg_class, reload_address_index_reg_class,
3659 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
3660 basic_block_needs, max_needs, group_size, group_mode, max_groups,
3661 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
3664 (init_reload): Delete code to compute base/index reg classes.
3665 (reload): Delete variable J.
3666 Delete code to manage basic_block_needs.
3667 Don't compute regs_explicitly_used.
3668 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
3669 pseudo_previous_regs.
3670 Initialize bad_spill_regs_global.
3671 Don't call order_regs_for_reload here.
3672 Don't initialize spill_reg_order and n_spills.
3673 Don't forbid explicitly used regs to be used for spill regs.
3674 Change main loop to infinite loop, with explicit break statements.
3675 Make SOMETHING_CHANGED variable local to that loop.
3676 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
3677 max_groups_insn, max_nongroups_insn, group_size, group_mode.
3678 Make sure spilled_speudos is cleared before calling spill_hard_reg or
3680 Don't call dump_needs.
3681 Delete code to reset potential_reload_regs.
3682 Delete code to terminate loop conditional on the global needs variables
3683 showing no further needs.
3684 (calculate_needs_all_insns): Return void. All callers changed.
3685 Initialize somehing_needs_elimination here, not in reload.
3686 Delete avoid_return_reg kludge.
3687 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
3688 All callers changed.
3689 Initialize the group_mode and group_size elements of the arg CHAIN.
3690 Delete code to manage basic_block_needs.
3691 Operate on elements of CHAIN instead of global variables.
3692 Delete avoid_return_reg kludge.
3693 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
3694 All callers changed.
3695 Operate on elements of CHAIN instead of global variables.
3696 Delete special SMALL_REGISTER_CLASSES code.
3697 Delete spill_failure code; now in new_spill_reg.
3698 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
3699 All callers changed.
3700 Operate on elements of CHAIN instead of global variables.
3701 (maybe_mark_pseudo_spilled): New static function.
3702 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
3703 All callers changed.
3704 Operate on elements of CHAIN instead of global variables.
3705 Call order_regs_for_reload here, not in reload.
3706 Initialize spill_reg_order and n_spills.
3707 Simplify test whether an asm insn is involved.
3708 Delete spill_failure code; now in new_spill_reg.
3709 Call maybe_mark_pseudo_spilled for everything marked as live in
3710 CHAIN. Merge CHAIN's used_spill_regs into the global variable
3712 (dump_needs): Take CHAIN arg. No longer static, to prevent the
3713 compiler from optimizing this function (now unused) away.
3714 Operate on elements of CHAIN instead of global variables.
3715 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
3717 Operate on elements of CHAIN instead of global variables.
3718 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
3719 take CHAIN arg. All callers changed.
3720 Operate on elements of CHAIN instead of global variables.
3721 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
3722 CHAIN, NONGROUP args. Return void. All callers changed.
3723 Verify caller isn't trying to spill a pseudo.
3724 Simplify test for illegal reg, just use bad_spill_regs.
3725 Generate better error messages.
3726 Operate on elements of CHAIN instead of global variables.
3727 Mark spilled register in CHAIN's used_spill_regs element.
3728 Don't call spill_hard_reg.
3729 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
3730 Mark spilled hard regs in bad_spill_regs_global.
3731 Mark affected pseudos in spilled_pseudos, but don't spill them.
3732 (ior_hard_reg_set): New static function.
3733 (finish_spills): Return int. All callers changed.
3734 Compute spill_reg_order, n_spills and spill_regs here. Also update
3735 regs_ever_live for regs used as spills.
3736 For every pseudo in spilled_pseudos, spill it and mark the previous
3737 hard reg it had in pseudo_previous_regs. Compute which hard regs
3738 arseudo): New static function.
3739 (order_regs_for_reload): Take CHAIN arg. All callers changed.
3740 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
3741 hard registers explicitly used across the current insn into the set.
3742 Compute hard_reg_n_uses taking only pseudos live across this insn
3744 Tweak sorting of potential_reload_regs.
3745 (compare_spill_regs): Delete function.
3746 (reload_as_needed): Don't sort the spill_regs array, it's computed
3747 in proper order in finish_spills.
3748 Delete avoid_return_reg kludge.
3749 Delete code to manage basic_block_needs.
3750 (allocate_reload_reg): Minor speed/readability tweaks.
3751 Operate on elements of CHAIN instead of global variables.
3752 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
3753 Delete avoid_return_reg kludge.
3754 Initialize reload_reg_used from CHAIN's used_spill_regs element.
3755 Delete unused label FAIL.
3756 (reload_combine): Replce reload_address_index_reg_class with
3758 Don't use used_spill_regs to determine information about lifetime of
3761 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
3763 * toplev.c (display_help): Ignore empty target specific
3764 options, and if -W is also specified on the command line then
3765 display undocumented options.
3767 * config/arm/arm.c: Updated with changes in devo sources.
3768 * config/arm/arm.h: Updated with changes in devo sources.
3769 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
3770 * config/arm/lib1thumb.asm: Add ELF support.
3772 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
3774 * collect2.c (aix64_flag): New variable.
3775 (main, case 'b'): Parse it.
3776 (GCC_CHECK_HDR): object magic number must match mode.
3777 (scan_prog_file): Only check for shared object if valid header.
3778 Print debugging if header/mode mismatch.
3780 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
3782 Added support for arm-elf-linux configuration, submitted by Philip
3783 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
3784 code developed by Catherine Moore <clm@cygnus.com>. The following
3787 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
3790 * configure: Regenerated.
3792 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
3793 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
3794 definitions conditional on their not having been already defined.
3796 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
3797 and .type directives, and add "(PLT)" qualification to function
3800 * config/arm/linux.h: Deleted. This file is now superceeded by
3801 either linux-elf.h or linux-aout.h.
3803 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
3804 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
3806 Move definitions from old linux.h file here.
3808 * config/arm/elf.h: New file. Generic ARM/ELF support.
3810 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
3812 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
3814 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
3815 using the 26bit APCS.
3817 * config/arm/unknown-elf.h: New file. Support for OS'es other
3818 than Linux with ELF.
3820 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
3823 * config/arm/coff.h: Include aout.h for basic assembler macros.
3824 Add support for -mstructure_size_boundary=<n> command line option.
3826 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
3827 command line option. Make macro definitions conditional on their
3828 not having been already defined.
3830 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
3831 command line option.
3834 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
3836 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
3837 has been changed to not include a newline. Use this macro instead.
3838 (output_enumeral_list, const_value_attribute, name_attribute,
3839 comp_dir_attribute, prototyped_attribute, producer_attribute,
3840 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
3841 dwarfout_file_scope_decl, generate_new_sfname_entry,
3842 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
3843 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
3845 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
3847 * combine.c (subst): Process the inputs to a parallel asm_operands
3850 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
3852 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
3854 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
3856 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
3858 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
3860 * version.c: Bump for snapshot.
3862 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
3864 * stmt.c (expand_fixup): Set fixup->before_jump to a
3865 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
3867 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3869 * Makefile.in (recog.o): Depend on toplev.h.
3870 (insn-emit.o): Depend on recog.h.
3871 (insn-peep.o): Depend on recog.h and insn-config.h.
3873 * combine.c (simplify_set): Remove unused variable `scratches'.
3875 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
3876 and `idx' in macro conditional controlling their use.
3878 * genemit.c (main): Make the generated output file include
3879 recog.h. Don't have it declare `insn_operand_constraint', since
3880 we get it from recog.h.
3882 * genpeep.c (main): Make the generated output file include
3883 insn-config.h and recog.h.
3885 * recog.c: Include toplev.h.
3886 (extract_insn): Remove unused variable `p'.
3888 * regclass.c (fix_register): Add missing braces around initializer
3890 (allocate_reg_info): Move variable `i' into the scope where it is
3891 used. Change its type to `size_t'.
3893 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3895 * reload.c (push_reload): When merging reloads, make sure
3896 that reload_in_reg and reload_in are from the same reload in
3899 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
3901 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
3902 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
3904 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
3906 * loop.c (loop_has_tablejump): New variable.
3907 (prescan_loop): Scan for it.
3908 (insert_bct): Replace explicit scan with use of it.
3909 * regclass.c (regclass): Restore loop variable j.
3910 (record_reg_classes): Deterine op_types modifiers and initialize
3911 classes[i] before matching constraints. Handle matching
3914 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
3916 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
3919 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3921 * mips.h (EXTRA_SPECS): Add missing initializers.
3923 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3925 * sparc.h (EXTRA_SPECS): Add missing initializers.
3926 (sparc_defer_case_vector): Provide a prototype.
3928 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
3929 comparing it to the result of a pointer subtraction.
3931 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3933 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
3934 the argument to (unsigned char).
3936 * alpha.h (EXTRA_SPECS): Add missing initializers.
3937 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
3940 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
3942 * flow.c (life_analysis_1): Enable "rescan" code after reload.
3943 (propagate_block): Delete dead code after reload.
3945 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
3946 back Oct 15, 1998 change.
3947 * haifa-sched.c (update_flow_info): Likewise.
3948 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
3950 * mn10200.md (truncated shift): Accept constant inputs too.
3952 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
3954 * machmode.h (mode_mask_array): No longer const.
3955 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
3957 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3959 * frame.c: Somewhat explain `FDE'.
3960 Suggested by Brendan Kehoe
3962 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
3964 * expr.c (pending_chain): Move up.
3965 (save_expr_status): Do save pending_chain.
3966 (restore_expr_status): And restore it.
3967 * function.h (struct function): Add pending_chain.
3969 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3971 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
3972 did not match the code.
3974 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3976 * regclass.c (regclass): Break out some code into new function
3977 scan_one_insn, and into regclass_init.
3978 (init_cost): New static variable, moved out of regclass.
3979 (regclass_init): Initialize it here, not in .
3980 (scan_one_insn): New static function, broken out of regclass.
3981 * recog.c (apply_change_group): Break out some code into new
3982 function insn_invalid_p.
3983 (insn_invalid_p): New static fn, broken out of apply_change_group.
3985 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
3987 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
3988 reg_reloaded_contents matches incremented pseudo.
3990 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
3992 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3994 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
3995 addressing modes with side effects. These are currently
3996 placeholders for the C4x target.
3998 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4000 * loop.c (express_from): Make sure that when generating a PLUS of
4001 a PLUS, any constant expression appears on the outermost PLUS.
4003 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
4005 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
4006 works if "$(srcdir)" != ".".
4008 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
4010 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
4011 existing SUBREG if we can, otherwise abort.
4013 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
4015 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
4016 `restrict' is applied to a non-pointer variable.
4018 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
4020 * invoke.texi: Document -flang-isoc9x.
4022 * Makefile.in (OBJS): Add splay-tree.o.
4023 (c-common.o): Depend on rtl.h.
4024 (splay-tree.o): List dependencies and provide build rule.
4026 * rtl.h (record_alias_subset): New function.
4027 * alias.c: Include splay-tree.h.
4028 (alias_set_entry): New type.
4029 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
4030 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
4031 (mems_in_disjoin_alias_sets_p): New function.
4032 (alias_set_compare): Likewise.
4033 (insert_subset_children): Likewise.
4034 (get_alias_set_entry): Likewise.
4036 * tree.h (TYPE_RESTRICT): New macro.
4037 (TYPE_UNQUALIFIED): New manifest constant.
4038 (TYPE_QUAL_CONST): Likewise
4039 (TYPE_QUAL_VOLATILE): Likewise.
4040 (TYPE_QUAL_RESTRICT): Likewise.
4041 (tree_type): Add restrict_flag. Reduce count of free bits.
4042 (DECL_POINTER_ALIAS_SET): New macro.
4043 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
4044 (tree_decl): Add pointer_alias_set.
4045 (build_qualified_type): New function.
4046 (build_type_variant): Define in terms of build_qualified_type.
4047 * tree.c (set_type_quals): New function.
4048 (make_node): Initializae DECL_POINTER_ALIAS_SET.
4049 (build_type_attribute_variant): Use build_qualified_type and
4051 (build_type_variant): Rename, and modify, to become...
4052 (build_qualified_type): New function.
4053 (build_complex_type): Use set_type_quals.
4055 * c-tree.h (C_TYPE_OBJECT_P): New macro.
4056 (C_TYPE_FUNCTION_P): Likewise.
4057 (C_TYPE_INCOMPLETE_P): Likewise.
4058 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
4059 (c_apply_type_quals_to_decl): New function.
4060 (c_build_qualified_type): New function.
4061 (c_build_type_variant): Define in terms of c_build_qualified_type.
4062 (flag_isoc9x): Declare.
4063 * c-typeck.c (qualify_type): Use c_build_qualified_type.
4064 (common_type): Change to use TYPE_QUALS.
4065 (comptypes): Likewise.
4066 (convert_for_assignment): Likewise.
4067 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
4068 * c-decl.c (flag_isoc9x): Define.
4069 (c_decode_option): Handle -flang-isoc9x.
4070 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
4071 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
4072 * c-lex.c (init_lex): Deal with restrict.
4073 (init_lex): Don't treat restrict as a reserved word in
4074 -traditional mode, or without -flang-isoc9x.
4075 * c-lex.h (rid): Add RID_RESTRICT.
4076 * c-parse.gperf (restrict, __restrict, __restrict__): Make
4077 equivalent to RID_RESTRICT.
4078 * c-parse.in (TYPE_QUAL): Update comment.
4079 * c-common.c: Include rtl.h.
4080 (c_find_base_decl): New function.
4081 (c_build_type_variant): Rename, and modify, to become ...
4082 (c_build_qualified_type): New function.
4083 (c_apply_type_quals_to_decl): Likewise.
4084 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
4085 a particular alias set for the reference.
4086 * toplev.c (documented_lang_options): Add -flang-isoc9x.
4088 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
4090 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
4091 command line switches.
4093 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
4095 * reload.c (loc_mentioned_in_p): Add missing braces to bind
4098 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
4100 * gcc.c (option_map): Added --classpath and --CLASSPATH.
4102 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
4104 * regclass.c (fix_register): Add error message.
4105 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
4108 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4110 * c-decl.c (warn_missing_noreturn): New global variable.
4111 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
4112 (finish_function): Implement missing noreturn warning.
4114 * c-tree.h (warn_missing_noreturn): Declare extern.
4116 * invoke.texi: Document new flags.
4118 * toplev.c (documented_lang_options): Add description.
4120 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4122 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
4123 loop optimization stable for the C4x.
4124 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
4125 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
4126 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
4128 (c4x_address_conflict): Be more paranoid when packing a volatile
4129 memref in a parallel load/store.
4131 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4133 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
4134 repeat_block_filler): Deleted.
4135 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
4136 Condition code not set if destination register from 'c' class.
4137 (*subbqi3_carry_clobber): Fix typo.
4139 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4141 * reorg.c (steal_delay_list_from_target) Check for insns that
4142 modify the condition codes and effect the direction of the jump
4145 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
4147 * function.c (purge_addressof_1): Replace call to
4148 emit_insns_before() with emit_insn_before().
4150 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
4152 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
4154 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4156 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
4158 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
4160 * gcse.c (compute_hash_table): Correctly identify hard regs which are
4161 clobbered across calls.
4163 * loop.c (scan_loop): Be more selective about what invariants are
4164 moved out of a loop.
4166 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
4168 * version.c: Bump for snapshot.
4170 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
4172 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
4173 static eh_context structure.
4175 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4177 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
4179 (try_combine): Don't update max_scratch.
4180 * flow.c (max_scratch, num_scratch): Delete variables.
4181 (life_analysis_1): Don't initialize max_scratch.
4182 (propagate_block): Don't update max_scratch.
4183 (mark_set_1): Don't increment num_scratch.
4184 * regs.h (max_scratch): Delete declaration.
4186 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
4188 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
4189 is nonzero. This is temporary!
4191 * sched.c (update_flow_info): Handle death notes made invalid by
4192 instruction splitting. Partially reverts Oct 15, 1998 patch.
4193 * haifa-sched.c (update_flow_info): Likewise.
4195 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
4197 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
4198 if it has a nonzero DECL_INITIAL.
4200 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4202 * Makefile.in (flow.o): Depend on recog.h.
4204 * cpplib.h (directive_table): Add missing initializiers.
4205 (finclude): Change type of variable `bsize' to size_t.
4207 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
4209 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
4211 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
4212 `int' when comparing against one.
4213 (cpp_file_line_for_message): Mark parameter `pfile' with
4215 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
4217 * flow.c: Include recog.h.
4218 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
4220 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
4221 `f' with ATTRIBUTE_UNUSED.
4222 (reposition_prologue_and_epilogue_notes): Likewise.
4224 * genopinit.c (gen_insn): Cast argument of ctype functions to
4227 * haifa-sched.c: Include recog.h.
4228 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
4229 comparing against one.
4231 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
4233 * mips-tfile.c (parse_end): Cast the argument of ctype function to
4235 (parse_ent): Likewise.
4236 (parse_input): Likewise.
4238 * optabs.c (init_libfuncs): Likewise.
4240 * protoize.c (find_rightmost_formals_list): Likewise.
4242 * recog.h (const_double_operand): Fix typo in prototype.
4244 * tlink.c (scan_linker_output): Cast the argument of ctype
4245 function to `unsigned char'.
4247 * toplev.c (check_lang_option): Cast the result of `strlen' to
4248 `int' when comparing against one.
4250 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
4252 * gcse.c (dump_cuid_table): Correct typo.
4254 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
4256 * toplev.c (display_help): Prepend '-m' to target specific
4258 (check_lang_option): Ignore text after end of first word of a
4259 language specific option.
4261 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4263 * reload1.c (reg_used_by_pseudo): New static variable.
4264 (choose_reload_regs): Initialize it.
4265 Use it instead of testing spill_reg_order to determine whether a
4266 pseudo is live in a hard register across the current insn.
4267 Fix a typo in a reference to reload_reg_rtx.
4269 * flow.c (propagate_block): Replace code that computes and uses
4270 regs_sometimes_live with simpler code that just walks the set of
4271 currently live registers.
4273 * Makefile.in (insn-extract.o): Fix dependencies.
4274 * genextract.c (main): Generate includes for insn-config.h and
4276 Delete generation of declarations which are now in recog.h.
4277 * genrecog.c (main): Delete generation of definitions which are
4279 * local-alloc.c (block_alloc): Use extract_insn and the variables
4280 it sets up instead of looking up values by insn_code.
4281 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
4282 recog_dup_num): Define here instead of generating the definition in
4284 (recog_n_operands, recog_n_dups, recog_n_alternatives,
4285 recog_operand_mode, recog_constraints, recog_operand_address_p):
4287 (extract_insn): New function.
4288 * recog.h (extract_insn): Declare function.
4289 (which_alternative, recog_n_operands, recog_n_dups,
4290 recog_n_alternatives, recog_operand_mode, recog_constraints,
4291 recog_operand_address_p): Declare variables.
4292 * regclass.c (n_occurrences): New static function.
4293 * reload.c (n_occurrences): Delete function.
4294 (find_reloads): Use extract_insn.
4295 * reload.h (n_occurrences): Delete declaration.
4297 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
4299 * reload1.c (reload_as_needed): Fix test for when to call
4300 update_eliminable_offsets.
4302 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4304 Fix consistency problems with reg_equiv_{mem,address};
4305 Improve reload inheritance;
4307 * reload.c (reload_out_reg): New variable.
4308 (loc_mentioned_in_p, remove_address_replacements): New functions.
4309 (remove_replacements): Deleted.
4310 (push_reload): Set reload_out_reg[i].
4311 When merging, also set reload_{in,out}_reg[i], and remove
4312 duplicate address reloads.
4313 (combine_reloads): Copy reload_out_reg[i].
4314 (find_reloads): Do make_memloc substitution also when
4315 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
4317 Include *recog_operand_loc in commutativity operand changes.
4318 Generate optional output reloads.
4319 Delete reference to n_memlocs. Don't set *recog_operand_loc before
4320 processing operands. Call make_memloc in reg_equiv_address code.
4321 Set *recog_operand_loc only after processing operands, and only
4322 if replace is true. Return a value.
4323 When changing address reload types for operands that didn't get
4324 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
4325 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
4326 Don't emit USEs for pseudo SUBREGs when not replacing.
4327 (find_reloads_address): Do make_memloc substitution also when
4328 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
4330 (find_reloads_toplev): Likewise.
4331 Call make_memloc in reg_equiv_address code.
4332 (debug_reload_to_stream): Add code to output reload_out_reg.
4333 (make_memloc): Delete local variable i, ifdefed out code, and
4334 references to memlocs and n_memlocs.
4335 (memlocs, n_memlocs): Delete.
4336 (push_secondary_reload): Clear reload_out_reg.
4337 (find_reloads_address_1): Provide memrefloc argument to all calls
4338 to find_reloads_address.
4339 In AUTO_INC code, handle non-directly addressable equivalences properly.
4340 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
4341 (find_reloads): Add return type.
4342 (remove_address_replacements, deallocate_reload_reg): Declare.
4343 * reload1.c (num_not_at_initial_offset): No longer static.
4344 (delete_address_reloads, delete_address_reloads_1): Likewise.
4345 (deallocate_reload_reg): New function.
4346 (spill_reg_stored_to): New array.
4347 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
4348 (eliminate_regs_in_insn): Move assignments of previous_offset and
4349 max_offset fields, and recalculation of num_not_at_initial_offset
4350 into new static function:
4351 (update_eliminable_offsets) .
4352 (reload_as_needed): Call update_eliminable_offsetss after calling
4354 Call forget_old_reloads_1 with contents of reloaded auto_inc
4355 expressions if the actual addressing can't be changed to match the
4357 (choose_reload_regs): For inheritance, replace
4358 reload_reg_free_before_p test with reload_reg_used_at_all test, and
4359 remove stand-alone reload_reg_used_at_all test.
4360 Use reload_out_reg to determine which reload regs have output reloads.
4361 Treat reload_override_in more similar to inherited reloads.
4362 Handle (subreg (reg... for inheritance.
4363 For flag_expensive_optimizations, add an extra pass to remove
4364 unnecessary reloads from known working inheritance.
4365 Delete obsolete code for pseudos replaced with MEMs.
4366 Handle inheritance from auto_inc expressions.
4367 (emit_reload_insns): If reload_in is a MEM, set OLD to
4369 Don't reload directly from oldequiv; if it's a pseudo with a
4370 stack slot, use reload_in[j].
4371 Check that reload_in_reg[j] is a MEM before replacing reload_in
4372 from reg_reloaded_contents.
4373 Include non-spill registers in reload inheritance processing.
4374 Also try to use reload_out_reg to set spill_reg_store /
4375 reg_last_reload_reg.
4376 In code to set new_spill_reg_store, use single_set to find out if
4377 there is a single set.
4378 Add code that allows to delete optional output reloads.
4379 Add code to allow deletion of output reloads that use no spill reg.
4380 At the end, set reload_override_in to oldequiv.
4381 Also call delete_output_reload if reload_out_reg is equal to old
4383 Add code to call delete_output_reload for stores with no matching load.
4384 Set / use spill_reg_stored_to.
4385 Handle case where secondary output reload uses a temporary, but
4386 actual store isn't found.
4387 When looking for a store of a value not loaded in order to call
4388 delete_output_reload, count_occurences should return 0 for no
4389 loads; but discount inherited input reloadill_reg_stored_to.
4390 Do checks for extra uses of REG. Changed all
4392 Use delete_address_reloads.
4393 (reload): Take return value of find_reloads into account.
4394 If a no-op set needs more than one reload, delete it.
4395 (reload_reg_free_before_p): RELOAD_FOR_INPUT
4396 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
4397 for the same operand.
4398 (clear_reload_reg_in_use): Check for other reloads that keep a
4400 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
4401 RELOAD_FOR_OPADDR_ADDR.
4402 Take into account when an address address reload is only needed
4403 for the address reload we are considering.
4404 (count_occurrences): Use rtx_equal_p for MEMs.
4405 (inc_for_reload): Return instruction that stores into RELOADREG.
4406 New argument two, IN, and rtx. Changed all callers.
4407 (calculate_needs_all_insns, reload_as_needed):
4408 Don't clear after_call for a CLOBBER.
4409 Keep track of how many hard registers need to be copied from
4410 after_call, and don't clear after_call before we have seen
4411 that much copies, or we see a different instruction.
4413 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
4415 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
4416 after reload has completed.
4418 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
4420 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
4421 a macro name and the next token with a single blank if that whitespace
4422 is in a macro buffer and the next token is not '('.
4424 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
4426 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
4428 (skip_if_group): Ditto.
4429 (skip_to_end_of_comment): Ditto.
4431 (discard_comments): Ditto.
4432 (change_newlines): Ditto.
4434 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
4436 * c-lex.c (yylex): Fix unaligned access of wchar_t.
4438 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
4440 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
4441 (TARGET_OPTIONS): Add --help documentation.
4443 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4445 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
4447 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
4449 * fixinc/* Moved in from ../contrib directory in preparation
4450 for integrating it into the normal build process. In particular,
4451 fixinc/Makefile.in must be config-ed into the build directory
4452 as fixinc/Makefile. Proposed patches to ./Makefile.in and
4453 ./configure.in will be "in the mail" momentarily.
4455 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
4457 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
4458 accidently walk into the free list. Comment how that can happen.
4459 (invalidate): Fix indentation.
4461 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4462 Jeffrey A Law (law@cygnus.com)
4464 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
4465 reload. Never perform rescans of the insn chain after reload.
4466 (propagate_block): Do not delete insn or create new autoinc addressing
4469 * jump.c (jump_optimize): Unconditionally use the code that was
4470 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
4471 * reload1.c (reload): When reloading is finished, delete all
4472 REG_DEAD and REG_UNUSED notes.
4473 (emit_reload_insns): Delete all code that was conditional on
4474 PRESERVE_DEATH_INFO_REGNO_P.
4475 (no_longer_dead_regs): Delete variable.
4476 (reload_cse_delete_death_notes): Delete function.
4477 (reload_cse_no_longer_dead): Delete function.
4478 (reload_cse_regs_1): Delete all code to handle deletion of death
4480 (reload_cse_noop_set_p): Likewise.
4481 (reload_cse_simplify_set): Likewise.
4482 (reload_cse_simplify_operands): Likewise.
4483 (reload_cse_move2add): Likewise.
4484 * reorg.c (used_spill_regs): Delete declaration.
4485 (max_label_num_after_reload): Delete declaration.
4486 (find_dead_or_set_registers): Don't assume that spill regs are
4487 dead at a CODE_LABEL.
4488 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
4490 * sched.c (sched_analyze_insn): Likewise.
4491 (update_flow_info): Likewise.
4492 * haifa-sched.c (sched_analyze_insn): Likewise.
4493 (update_flow_info): Likewise.
4494 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
4495 * toplev.c (max_label_num_after_reload): Delete variable.
4496 (rest_of_compilation): Don't set max_label_num_after_reload.
4497 Call life_analysis after reload_cse_regs if optimizing.
4498 * config/gmicro/gmicro.h: Delete comment referring to
4499 PRESERVE_DEATH_INFO_REGNO_P.
4500 * config/i386/i386.h: Likewise.
4501 * config/m88k/m88k.h: Likewise.
4502 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
4503 * config/sh/sh.h: Likewise.
4505 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
4507 * loop.c (strength_reduce): Restore marking bct_p as
4509 * rs6000.c (optimization_options): Change #ifdef HAIFA to
4510 HAVE_decrement_and_branch_on_count.
4511 (small_data_operand): Remove TARGET_ELF condition for marking
4512 parameters ATTRIBUTE_UNUSED.
4514 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
4516 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
4517 (SELECT_SECTION): Resync with svr4.h.
4519 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
4521 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
4524 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
4526 * c-pragma.c (handle_pragma_token): Test for null tree before
4527 dereferencing TREE_CODE.
4529 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4531 * config/c4x/c4x.c: Convert to use GEN_INT.
4532 (c4x_parallel_process): Rework to handle new repeat loop structure.
4534 * config/c4x/c4x.md: Convert to use GEN_INT.
4535 (rptb_end): Convert to use GE test. Replace uses with clobbers.
4536 (decrement_and_branch_on_count): Likewise.
4538 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
4539 loop.c has the desired functionality.
4540 (rc_reg_operand): New prototype.
4542 * config/c4x/t-c4x: Can now build all front ends.
4544 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
4546 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
4548 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
4550 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
4551 * config/t-rtems: Do not install assert.h -- use newlib's.
4553 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4555 * combine.c (combine_instructions): When finished, call init_recog.
4556 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
4558 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
4560 * toplev.c: If flag_syntax_only, don't open or write assembler file.
4562 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4564 * cppalloc.c (memory_full): Mark function prototype with
4567 * demangle.h (collect_exit): Likewise.
4569 * fix-header.c (v_fatal, fatal): Likewise.
4571 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
4574 * gcov.c (print_usage): Likewise.
4576 * genattr.c (fatal, fancy_abort): Likewise.
4578 * genattrtab.c (fatal, fancy_abort): Likewise.
4580 * gencodes.c (fatal, fancy_abort): Likewise.
4582 * genconfig.c (fatal, fancy_abort): Likewise.
4584 * genemit.c (fatal, fancy_abort): Likewise.
4586 * genextract.c (fatal, fancy_abort): Likewise.
4588 * genflags.c (fatal, fancy_abort): Likewise.
4590 * genopinit.c (fatal, fancy_abort): Likewise.
4592 * genoutput.c (fatal, fancy_abort): Likewise.
4594 * genpeep.c (fatal, fancy_abort): Likewise.
4596 * genrecog.c (fatal, fancy_abort): Likewise.
4598 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
4599 __sjpopnthrow, __throw): Likewise.
4601 * objc/objc-act.c (objc_fatal): Likewise.
4603 * protoize.c (usage, aux_info_corrupted,
4604 declare_source_confusing): Likewise.
4606 * rtl.c (dump_and_abort): Likewise.
4608 * rtl.h (sets_cc0_p): Likewise.
4610 * toplev.c (float_signal, pipe_closed): Likewise.
4612 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4614 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
4615 when generating the decision tree for the general case.
4617 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
4618 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
4620 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4622 * Makefile.in (sched.o): Depend on recog.h.
4624 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
4625 (unsigned) when comparing against one.
4626 (find_base_value): Likewise.
4627 (record_base_value): Cast variable `regno' to (unsigned) when
4628 comparing against one. Cast the result of REGNO() macro to
4629 (unsigned) when comparing against one.
4630 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
4632 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
4633 variable where an unsigned index is needed.
4635 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
4636 before comparing against one.
4638 * collect2.c: Add prototypes for functions `error', `fatal' and
4639 `fatal_perror'. Make these functions take variable arguments
4640 instead of faking it with a fixed number of args.
4641 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
4644 * combine.c (can_combine_p): Mark parameter `pred' with
4646 (find_split_point): Cast variable `src' to (unsigned
4647 HOST_WIDE_INT) when comparing against one.
4648 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
4649 (simplify_logical): Likewise.
4650 (force_to_mode): Cast result of INTVAL() macro to (unsigned
4651 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
4652 HOST_WIDE_INT) in shift.
4653 (simplify_and_const_int): Cast result of INTVAL() macro to
4654 `unsigned HOST_WIDE_INT' when comparing against one.
4655 (merge_outer_ops): Cast variable const0 to `unsigned
4656 HOST_WIDE_INT' when comparing against the result of
4657 GET_MODE_MASK() macro.
4658 (simplify_comparison): Likewise for variable `c0'. Cast variable
4659 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
4660 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
4661 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
4662 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
4663 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
4664 comparing against one.
4665 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
4667 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
4668 macro to `unsigned HOST_WIDE_INT' when comparing against one.
4669 (output_block_move): Cast `sizeof' expression to (int) when
4670 comparing against one.
4671 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
4673 (save_restore_insns): Cast `base_offset' to `long' to match format
4674 specifier in fprintf.
4676 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
4677 to `enum machine_mode'.
4679 * flow.c (life_analysis_1): Remove unused variable `insn'.
4681 * gcc.c (translate_options): Move variables `j' and `k' into the
4682 scope in which they are used. Change their types to `size_t'.
4683 (set_spec): Cast the argument of ctype macro to `unsigned char'.
4684 (read_specs): Likewise.
4685 (process_command): Cast `sizeof' to (int) when comparing against one.
4686 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
4687 (handle_braces): Cast both sides of `==' expression to `long' to
4688 ensure sign matching.
4689 (main): Cast variable `i' to `int' when comparing against one.
4691 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
4692 int to size_t. Cast variable `i' to size_t when comparing against
4695 * genattrtab.c (convert_set_attr_alternative): Remove unused
4696 parameter `insn_code'. All callers changed.
4697 (convert_set_attr): Likewise.
4699 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
4700 size_t when comparing against one. Likewise for variable `len'.
4702 * global.c (global_alloc): Cast variable `max_regno' to size_t
4703 when comparing against one. Likewise for variable `max_allocno'.
4705 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
4707 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
4708 `set' with ATTRIBUTE_UNUSED.
4709 (find_free_reg): Cast `sizeof' expression to (int) when comparing
4712 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
4713 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
4714 (get_condition): Cast variable `const_val' to `unsigned
4715 HOST_WIDE_INT' when comparing against one. Cast unsigned
4716 expression to HOST_WIDE_INT when comparing against one.
4717 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
4718 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
4719 `unsigned' when comparing against one.
4721 * protoize.c (is_id_char): Change type of parameter `ch' to
4723 (munge_compile_params): Cast argument of ctype macro to (const
4725 (process_aux_info_file): Cast variable `aux_info_size' to int when
4726 comparing against one.
4727 (forward_to_next_token_char): Cast argument of ctype macro to
4728 `const unsigned char'.
4729 (edit_formals_lists): Likewise.
4730 (find_rightmost_formals_list): Likewise.
4731 (add_local_decl): Likewise.
4732 (add_global_decls): Likewise.
4733 (edit_fn_definition): Likewise.
4734 (do_cleaning): Likewise.
4735 (scan_for_missed_items): Likewise.
4736 (edit_file): Cast variable `orig_size' to (int) when comparing
4738 (main): Cast argument of ctype macro to `const unsigned char'.
4740 * recog.c (const_int_operand): Mark parameter `mode' with
4743 * regclass.c (record_reg_classes): Change type of variable `c' to
4744 `unsigned char'. Cast `char' array index to `unsigned char'.
4746 * reload.c (push_secondary_reload): Cast argument to
4747 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
4749 * reload1.c (calculate_needs): Cast `char' array index to
4751 (set_label_offsets): Change type of variable `i' to unsigned int.
4752 Cast result of XVECLEN() macro to unsigned when comparing against
4754 (mark_not_eliminable): Change type of variable `i' to unsigned.
4755 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
4756 when comparing against one.
4757 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
4758 comparing against one.
4759 (choose_reload_regs): Hide unused label `fail'.
4760 (reload_cse_simplify_operands): Cast `char' array index to
4762 (reload_combine_note_store): Mark parameter `set' with
4763 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
4765 (reload_cse_move2add): Remove unused variable `src2'.
4767 * sched.c: Include recog.h.
4768 (sched_note_set): Remove unused parameter `b'. All callers
4770 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
4771 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
4772 when comparing against one.
4774 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
4775 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
4776 comparing against one.
4778 * unroll.c (precondition_loop_p): Remove unused parameter
4779 `loop_end'. All callers changed.
4781 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4783 * reload1.c (maybe_fix_stack_asms): New static function.
4786 * reload.h (compute_use_by_pseudos): Declare.
4788 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
4789 (something_needs_reloads): Delete variable.
4790 (finish_spills): New function.
4791 (compute_use_by_pseudos): New function.
4793 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
4794 Use the reload_insn_chain instead of walking the rtl directly.
4796 (reload): Allocate and free spilled_pseudos.
4797 Ensure that all calls of spill_hard_reg are followed by a call to
4799 Use the insns_need_reload list instead of something_needs_reloads
4800 to find out if reload_as_needed must be called.
4801 Clear unused_insn_chains at the end.
4803 (calculate_needs_all_insns): Lose FIRST parameter. All callers
4805 Delete code to keep track of current basic block.
4806 Walk reload_insn_chain instead of the rtl structure. Build the
4807 insns_need_reload chain.
4808 Remember which insns need reloading/elimination by setting the
4809 appropriate fields in struct insn_chain, not by putting modes on the
4812 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
4813 arg INSN. All callers changed.
4814 Delete declaration of struct needs.
4815 Don't set something_needs_reloads.
4816 Record insn needs in the CHAIN argument.
4818 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
4820 (reload_as_needed): Lose FIRST arg. All callers changed.
4821 Walk the reload_insn_chain instead of the rtx structure.
4822 Delete code to keep track of current basic block.
4823 Rename one of the NEXT variables to OLD_NEXT.
4825 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
4827 (choose_reload_regs): Likewise.
4829 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
4832 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
4833 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
4834 (hard_regs_live, hard_regs_need_restore): Delete variables.
4835 (n_regs_saved): Now static.
4836 (referenced_regs, this_insn_sets): New variables.
4838 (setup_save_areas): Restructure the code a bit.
4840 (restore_referenced_regs): Delete function.
4841 (mark_referenced_regs): New function, similar to the old
4842 restore_referenced_regs, but mark registers in referenced_regs.
4844 (clear_reg_live): Delete function.
4845 (mark_set_regs): Renamed from set_reg_live. All callers changed.
4846 Only mark registers in this_insn_sets.
4848 (save_call_clobbered_regs): Rework this function to walk the
4849 reload_insn_chain instead of using the list of instructions directly.
4850 Delete code to keep track of register lives, compute live regs on the
4851 fly from information in the chain.
4852 Instead of calling restore_referenced_regs, use mark_referenced_regs,
4853 then walk the set it computes and call insert_restore as appropriate.
4855 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
4857 Restructure the code a bit. Test hard_regs_saved instead of
4858 hard_regs_need_restore.
4859 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
4860 args. All callers changed.
4861 Restructure the code a bit. Use TO_SAVE to determine which regs to
4862 save instead of more complicated test.
4863 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
4865 Create a new insn_chain structure for the new insn and place it
4868 * rtl.texi: Update documentation to reflect that reload no longer
4869 puts modes on the insns.
4871 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4873 * function.c (purge_addressof_1): Force the first argument of a
4874 CALL insn to memory.
4876 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
4878 * rtl.h: Delete duplicate prototypes. Add some missing
4880 * rtlanal.c: (for_each_rtx): Formatting tweak.
4882 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4884 * real.c (emdnorm and etoasc): Disable round to even for c4x target
4885 to be compatible with TI compiler.
4887 * Makefile.in (USER_H): Add va-c4x.h to definition.
4889 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
4891 * function.c (purge_addressof_1): Fix typo in inequality: do
4892 bitfield optimization for equal mode sizes.
4893 * expmed.c (store_bit_field): Don't take subregs of subregs in
4894 the movstrict case. Tidy a potential problem in the multi-word case.
4895 (extract_bit_field): Likewise.
4897 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4899 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
4901 Compute max_uid_for_flow by calling get_max_uid after the scan.
4902 (find_basic_blocks_1): Don't emit NOPs here.
4904 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
4906 * alias.c (base_alias_check): Accept new args for the modes of the
4907 two references. Use them to determine if an AND can overlap. Update
4909 (memrefs_conflict_p): Assume sizes are aligned, and uses them
4910 to determine if an AND can overlap.
4912 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
4914 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
4915 check. Add comment to document problems with TARGET_SUN_FPA version
4917 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
4919 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4921 * Makefile.in (gencheck.o): Depend on gansidecl.h.
4923 * c-common.c (print_char_table): Add missing initializers.
4924 (scan_char_table): Likewise.
4925 (time_char_table): Likewise.
4927 * c-decl.c (c_decode_option): Mark parameter `argc' with
4929 (declare_parm_level): Mark parameter `definition_flag' with
4932 * c-lex.c (readescape): Use `(unsigned)1' in shift.
4933 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
4936 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
4938 (emit_call_1): Mark parameters `fndecl' and `funtype' with
4940 (expand_call): Cast result of MIN() to (unsigned int) when
4941 comparing against an unsigned value.
4943 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
4945 (make_definition): Remove unused parameter `op'. All callers
4947 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
4948 comparing against the result of pointer arithmetic.
4950 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
4951 when comparing against one.
4953 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
4954 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
4956 (output_die): Move variable `i' into the scope in which it is
4957 used. Change its type to `unsigned'.
4958 (output_die): Cast the result of `strlen' to (int) when passing it
4959 to ASM_OUTPUT_ASCII().
4960 (output_pubnames): Likewise.
4961 (output_line_info): Likewise.
4963 * emit-rtl.c (global_rtl): Add missing initializers.
4965 * explow.c (promote_mode): Mark parameter `for_call' with
4968 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
4969 `unsigned HOST_WIDE_INT' when comparing against one.
4970 (synth_mult): Change type of variable `cost' to int.
4971 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
4973 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
4974 when comparing against one.
4975 (get_inner_reference): Change variable `alignment' to unsigned.
4976 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
4977 int) when comparing against one.
4978 (expand_builtin_setjmp): Change type of variable `i' to size_t.
4980 * fold-const.c (div_and_round_double): Cast BASE to
4981 (HOST_WIDE_INT) when comparing against one.
4983 * gencheck.c: Include gansidecl.h.
4984 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
4986 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
4987 `tcode' with ATTRIBUTE_UNUSED.
4989 * real.c (edivm): Cast constant value to (unsigned long) in
4990 expression compared against an unsigned value.
4992 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
4993 comparing against one.
4994 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
4995 when comparing against one.
4997 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
4998 (unsigned int) when comparing against one. Likewise for
5000 (smallest_mode_for_size): Likewise.
5001 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
5002 (restore_storage_status): Likewise.
5004 * toplev.c (debug_args): Add missing initializer.
5005 (f_options): Spelling correction. Add missing initializers.
5006 (documented_lang_options): Likewise.
5007 (debug_end_source_file): Mark parameter `lineno' with
5010 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
5011 `decl' and `type' with ATTRIBUTE_UNUSED.
5013 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
5014 when comparing against one.
5015 (assemble_variable): Mark parameter `top_level' with
5017 (assemble_external_libcall): Mark parameter `fun' with
5019 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
5022 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
5024 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
5025 Replace use of r5 with use of r19.
5027 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
5029 * config/v850/v850.c (compute_register_save_size): Allow for the
5030 fact that helper functions save all registers, not just those used
5033 Replace constant 31 with macro LINK_POINTER_REGNUM.
5035 * config/v850/v850.md: Use 'indirect_operand' rather than
5036 'memory_operand' for bit test/set/clear patterns.
5038 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
5040 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
5041 * varasm.c (assemble_start_function et al): Don't call
5042 ASM_GLOBALIZE_LABEL for weak symbols.
5044 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
5046 * cse.c (equiv_constant): Check for NULL return from
5047 gen_lowpart_if_possible().
5049 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
5051 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
5053 * collect2.c (main): Pass -EL/-EB through to the compiler.
5055 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5057 * expr.c (push_block): Handle targets where the stack grows
5058 to higher addresses, but args grow to lower addresses and
5059 ACCUMULATE_OUTGOING_ARGS is not defined.
5061 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
5063 * config/v850/v850.c (print_operand): Extend meaning
5064 of 'c' operands to support .vtinherit.
5066 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5068 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
5069 Added ATTRIBUTE_UNUSED to unused function arguments.
5070 (rc_reg_operand): New predicate.
5071 (c4x_rptb_insert): New function.
5072 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
5073 (c4x_optimization_options): New function.
5075 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
5076 (decrement_and_branch_on_count): New pattern.
5077 (rptb_top): Modified pattern to work with BCT optimization.
5079 * config/c4x/c4x.h (RC_REG): New register class.
5080 (rc_reg_operand): Define prototype.
5081 (IS_RC_REG): New macro.
5082 (IS_RC_OR_PSEUDO_REG): New macro.
5083 (IS_RC_OR_PSEUDO_REGNO): New macro.
5084 (OPTIMIZATION_OPTIONS): Define.
5086 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
5088 * collect2.c (extract_init_priority): No priority is 65535.
5090 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5092 * Makefile.in (build_tooldir): new variable, same as old
5093 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
5094 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
5095 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
5097 * configure.in (gxx_include_dir): set default based on unlibsubdir
5098 * Makefile.in (tooldir): ditto
5099 (cccp.o, cpplib.o): use unlibsubdir implicitly through
5100 gxx_include_dir, includedir and tooldir
5101 (protoize.o, unprotoize.o): ditto
5103 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
5105 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
5107 * config/arm/thumb.c (thumb_override_options): Add warning about
5108 PIC code not being supported just yet.
5110 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
5112 * flow.c: Update comment.
5113 (notice_stack_pointer_modification): New static function.
5114 (record_volatile_insns): Use it.
5115 (mark_regs_live_at_end): Mark the stack pointer as alive
5116 at the end of the function if current_function_sp_is_unchanging
5118 (life_analysis_1): Set current_function_sp_is_unchanging.
5119 * function.c: Define it.
5120 (init_function_start): Initialize it.
5121 * output.h: Declare it.
5122 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
5123 the stack pointer as alive at the end of the function if
5124 current_function_sp_is_unchanging is set.
5125 * i386.c (ix86_epilogue): Optimize the restoring
5126 of the stack pointer.
5128 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
5130 * version.c: Bump for snapshot.
5132 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
5134 * c-pragma.c (handle_pragma_token): If passed a token instead
5135 of a tree, use that as the pack value.
5137 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
5139 * flow.c (find_basic_blocks_1): Fix prototype.
5141 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
5143 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
5144 (struct tree_decl): New fields no_check_memory_usage.
5145 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
5146 (init_attributes): Register it as a new attribute.
5147 (decl_attributes): Set flags on functions given that attribute.
5148 * c-decl.c (duplicate_decls): Merge new attribute.
5149 * expr.h (current_function_check_memory_usage): Declare new var.
5150 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
5151 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
5152 current_function_check_memory_usage.
5153 * function.h: Add field to struct function.
5154 * function.c (current_function_check_memory_usage): Define it.
5155 (push_function_context_to, pop_function_context_from): Save and
5157 (expand_function_start): Set it, based on global flag and function
5160 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
5161 check non-automatic variables, to permit detection of writes to
5162 read-only locations in embedded systems without memory management.
5163 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
5164 when emitting chkr_set_right_libfunc call, even if the argument is
5165 BLKmode or variable-sized; don't abort.
5167 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
5168 symbols in Pmode, not VOIDmode.
5170 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5172 * cppexp.c: When forcing unsigned comparisons, cast both sides
5175 * cpphash.h: Move static declaration of hashtab[]...
5176 * cpphash.c: ...here.
5178 * cpplib.c: Cast difference of two pointers to size_t before
5179 comparing it to size_t. Cast signed to unsigned
5180 before comparing to size_t. (FIXME: struct argdata should use
5181 unsigned buffer sizes.)
5182 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
5183 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
5184 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
5185 size_t before comparison.
5187 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
5189 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
5190 (find_basic_blocks_1): Similarly.
5191 * output.h (find_basic_blocks): Fix prototype.
5192 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
5193 find_basic_blocks anymore.
5195 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
5197 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
5198 (sbitmap_free, sbitmap_vector_free): New macros.
5199 * output.h (rtl_dump_file): Declare.
5201 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
5203 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
5205 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5207 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
5209 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
5210 (divide): Remove unused variable `tmp'.
5211 (si_to_float): Cast numeric constant to (SItype) before comparing
5214 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
5216 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
5217 * gcc.c (add_preprocessor_option): Correct typo when allocating
5218 memory, sizeof() argument had one too many `*'.
5219 (add_assembler_option): Likewise.
5220 (add_linker_option): Likewise.
5221 * gcov.c (output_data): Likewise.
5222 * local-alloc.c (memref_used_between_p): Likewise.
5223 (update_equiv_regs): Likewise.
5224 * loop.c (strength_reduce): Likewise.
5225 * reg-stack.c (record_asm_reg_life): Likewise.
5226 (subst_asm_stack_reg): Likewise.
5227 * reorg.c (dbr_schedule): Likewise.
5229 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5231 * flow.c (life_analysis_1): Break out some functions.
5232 (find_basic_blocks_1): Likewise. Also move some variables out and
5234 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
5235 new static var nonlocal_label_list with it.
5236 (active_eh_region, nested_eh_region, label_value_list,
5237 nonlocal_label_list): New static variables.
5238 (make_edges, delete_unreachable_blocks, delete_block): New static
5239 functions, broken out of find_basic_blocks_1.
5240 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
5241 noop_move_p): New static functions, broken out of life_analysis_1.
5243 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
5245 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
5246 Take extra care for op0 now possibly being a subreg.
5247 (extract_bit_field): Likewise.
5248 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
5249 the reg to memory if there is no equal sized integral mode.
5250 * stor-layout.c (int_mode_for_mode): New function.
5251 * machmode.h: Prototype it.
5253 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
5255 * global.c (build_insn_chain): Verify no real insns exist past the
5256 end of the last basic block, then exit the loop.
5258 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5260 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
5262 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
5264 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
5266 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
5268 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
5270 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
5272 * flow.c (find_basic_blocks): Correctly determine when a call
5273 is within an exception region.
5275 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
5277 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
5279 * cpplib.h: Protect from multiple inclusions.
5280 * cpplib.c: Fix minor formatting problems.
5282 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
5284 * jump.c (jump_optimize): Revert accidental patch.
5286 * Makefile.in (cpplib.o): Use unlibsubdir.
5288 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
5290 * loop.c (get_condition): Allow combine when either compare is
5293 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
5295 * version.c: Bump for snapshot.
5297 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
5299 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
5300 (init_lex): Initialize ridpointers[RID_BYREF].
5301 * c-lex.h (enum rid): Add RID_BYREF.
5302 * c-parse.gperf: Add RID_BYREF as a type qualifier.
5303 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
5304 (encode_type_qualifiers): Similarly
5305 * c-gperf.h: Rebuilt.
5307 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
5309 * c-common.c (type_for_mode): Only return TItype nodes when
5310 HOST_BITS_PER_WIDE_INT is >= 64 bits.
5311 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
5312 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
5313 (init_decl_processing): Only create TItype nodes when
5314 HOST_BITS_PER_WIDE_INT is >= 64 bits.
5315 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
5316 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
5318 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5320 * stmt.c (n_occurrences): New static function.
5321 (expand_asm_operands): Verify that all constrains match in the
5322 number of alternatives.
5323 Verify that '+' or '=' are at the beginning of an output constraint.
5324 Don't allow '&' for input operands.
5325 Verify that '%' isn't written for the last operand.
5326 * reload.c (find_reloads): Abort if an asm is found with invalid
5327 constraints; all possible problems ought to be checked for earlier.
5329 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5331 * flags.h (flag_branch_on_count_reg): Always declare
5332 * toplev.c (flag_branch_on_count_reg): Likewise.
5333 * toplev.c: Fix typos.
5335 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
5338 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
5340 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
5342 (find_basic_blocks_1): Add a nop to the end of a basic block when
5343 a trailing call insn does not have abnormal control flow.
5344 * gcse.c (pre_transpout): New variable.
5345 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
5346 (compute_pre_transpout): Calculate it.
5347 (compute_pre_ppinout): Use it to eliminate impossible placements
5348 due to abnormal control flow through calls.
5349 (compute_pre_data): Call compute_pre_transpout.
5351 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5353 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
5355 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
5357 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
5358 and matching define_insns): Tack on a `use' of the table label, so
5359 flow analysis will recognize a tablejump.
5361 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
5363 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
5364 always end basic blocks for abnormal edge reasons.
5366 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
5368 * config/i386/i386.h: Remove definition of
5369 HANDLE_PRAGMA_PACK_PUSH_POP.
5371 * config/i386/go32.h: Add definition of
5372 HANDLE_PRAGMA_PACK_PUSH_POP.
5374 * config/i386/win32.h: Add definition of
5375 HANDLE_PRAGMA_PACK_PUSH_POP.
5377 * config/i386/cygwin32.h: Add definition of
5378 HANDLE_PRAGMA_PACK_PUSH_POP.
5380 * c-pragma.c (insert_pack_attributes): Do not insert
5381 attributes unless #pragma pack(push,<n>) is in effect.
5383 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
5385 * expr.c (emit_group_store): Handle a PARALLEL destination.
5387 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
5389 * gcse.c (pre_insert_insn): When a call ends a bb, insert
5390 the new insns before the argument regs are loaded.
5392 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5394 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
5395 (c-parse.gperf): Update comments describing invocation flags.
5396 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
5398 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
5400 * reload1.c (reload): Call free before clobbering the memory
5401 locations or constants pointers.
5403 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5405 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
5406 for efficiency by checking whether we need to modify the current
5407 stack permission at all.
5408 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
5409 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
5410 __enable_execute_stack libcall here too if
5411 TRANSFER_FROM_TRAMPOLINE is defined.
5412 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
5415 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
5417 * Makefile.in (DRIVER_DEFINES): Remove last change.
5419 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5421 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
5422 insns we're going to copy.
5423 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
5425 * loop.c (count_one_set): Add prototype.
5427 * caller-save.c (restore_referenced_regs): Lose mode argument.
5428 (insert_save): Lose mode argument.
5429 (insert_restore): Lose mode argument.
5430 (insert_one_insn): Lose mode argument.
5431 (save_call_clobbered_regs): Lose mode argument.
5432 (setup_save_areas): Take no argument and return void. All callers
5434 Don't verify validity of memory addresses.
5435 * reload.h (setup_save_ares): Adjust prototype.
5436 (save_call_clobbered_regs): Likewise.
5437 * reload1.c (delete_caller_save_insns): New function.
5438 (caller_save_spill_class): Delete variable.
5439 (caller_save_group_size): Delete variable.
5440 (reload): Call setup_save_areas and save_call_clobbered_regs
5441 in the main loop, before calling calculate_needs_all_insns.
5442 Don't call save_call_clobbered_regs after the loop.
5443 Call delete_caller_save_insns at the end of an iteration if
5445 Delete code to manage caller_save_spill_class.
5446 Emit the final note before setting reload_first_uid.
5447 Simplify test that determines whether reload_as_needed gets run.
5448 (calculate_needs): Delete code to manage caller_save_spill_class.
5450 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
5452 * collect2.c (main): Initialize ld_file_name.
5454 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
5456 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
5457 check for flag_function_sections.
5459 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5461 * cse.c (insert_regs): Fix bug in Sep 24 change.
5463 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5465 * flags.h (flag_dump_unnumbered): Declare.
5466 * toplev.c (flag_dump_unnumbered): Don't declare.
5467 * print-rtl.c (flags.h): Include.
5468 (print_rtl_single): Add return value.
5469 * rtl.h (print_rtl_single): Update declaration.
5470 * flow.c (flag_dump_unnumbered): Don't declare.
5471 (print_rtl_with_bb): Use return value of print_rtl_single.
5473 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5475 * loop.c (count_one_set): New static function, broken out of
5477 (count_loop_regs_set): Call it.
5478 * global.c (mark_reg_store): Handle clobbers here by not calling
5480 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
5481 is in fact a clobber.
5482 * integrate.c (process_reg_param): New function, broken out of
5483 expand_inline_function.
5484 (expand_inline_function): Call it.
5487 * i386.md (addsidi3_1): Delete unused variable temp.
5488 (addsidi3_2): Likewise.
5489 (clstrstrsi): Delete unused variable addr1.
5491 * rtl.h: Don't declare any functions also declared in recog.h.
5493 * Makefile.in (stupid.o): Update dependencies.
5494 (global.o): Likewise.
5496 * global.c: Include reload.h
5497 (reg_becomes_live): New function.
5498 (reg_dies): New function.
5499 (build_insn_chain): New function.
5500 (global_alloc): Call build_insn_chain before calling reload.
5502 * reload.h (struct needs): New structure definition.
5503 (struct insn_chain): Likewise.
5504 (reload_insn_chain): Declare variable.
5505 (new_insn_chain): Declare function.
5508 * reload1.c (reload_startobj): New variable.
5509 (reload_insn_chain): New variable.
5510 (unused_insn_chains): New variable.
5511 (new_insn_chain): New function.
5512 (init_reload): Initialize reload_startobj, not reload_firstobj.
5513 (reload): Initialize reload_firstobj.
5514 Before returning, free everything on the reload_obstack.
5516 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
5517 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
5518 current_chain): New variables.
5519 (reg_where_born): Delete variable.
5520 (REG_WHERE_BORN): New macro.
5521 (find_clobbered_regs): New function.
5522 (stupid_life_analysis): Don't allocate/free reg_where_born.
5523 Allocate and free reg_where_born_exact, reg_where_born_clobber,
5524 reg_where_dead_chain.
5525 Use REG_WHERE_BORN instead of reg_where_born.
5526 While processing the insns, build the reload_insn_chain with
5527 information about register lifetimes.
5528 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
5529 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
5531 Compute and information about birth and death of pseudo registers in
5532 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
5533 Delete code to set elements of reg_where_born.
5535 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5537 * tree.def (GOTO_EXPR): Modified documentation.
5538 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
5541 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
5543 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
5544 loop_final_value, loop_comparison_code): No longer static.
5545 (unroll_loop): Delete loop_start_value update.
5546 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
5547 loop_final_value, loop_comparison_code): Extern.
5548 (loop_start_value): Delete extern.
5549 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
5550 loop_comparison_value, loop_comparison_code): Delete.
5551 (loop_optimize): Remove initialization for deleted variables.
5552 (strength_reduce): Delete analyze_loop_iterations call. Only call
5553 insert_bct if flag_branch_count_on_reg set.
5554 (analyze_loop_iterations): Delete.
5555 (insert_bct): Remove iteration count calculation. Move checks for
5556 viable BCT optimization to here. Obtain iteration count from
5557 loop_iterations and correct for unrolling. Check for enough
5558 iteration to be beneficial. Comment out runtime iteration count
5560 (insert_bct): Print iteration count in dump file. Remove
5561 loop_var_mode and use word_mode directly.
5563 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
5564 * rs6000.c (rs6000_override_options): Use it.
5565 (optimization_options): Enable use of flag_branch_on_count_reg.
5566 * rs6000.md (define_function_unit): Describe 604e.
5568 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5570 * loop.c (move_movables): Corrected threshold calculation for
5571 moved_once registers.
5573 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5575 * loop.c (combine_givs_p): Fix test for identical givs.
5577 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
5579 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
5580 call abort if the function is already defined.
5582 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
5584 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
5585 truncation is not a no-op.
5587 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
5589 * version.c: Bump for snapshot.
5591 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
5593 * version.c: Bump for snapshot.
5595 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
5597 * expmed.c (expand_divmod): Don't widen for computing remainder
5598 if we seem to have a divmod pattern for needed mode.
5600 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5602 * cpplib.c (macroexpand): Correct off-by-one error in handling
5605 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
5607 * combine.c (expand_field_assignment): Don't do bitwise operations
5608 on MODE_FLOAT; pun to MODE_INT if possible.
5610 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
5611 scott snyder <snyder@d0sgif.fnal.gov>
5613 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
5614 linker. Recognize mangled names in quotes.
5616 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5618 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
5619 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
5620 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
5621 (lshrsi3_extend, lshrsi3_extend2): Ditto.
5623 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5625 * function.c (purge_addressof_1): If trying to take a sub-word
5626 integral piece of a floating point mode, put it on the stack.
5628 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
5630 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
5632 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
5634 * PROJECTS: Remove template friends.
5636 * collect2.c (sort_ids): Remove unused variable.
5638 * tm.texi (MATH_LIBRARY): Document.
5639 (NEED_MATH_LIBRARY): Remove.
5641 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
5642 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
5644 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
5646 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
5647 last_end to 0x7fffffff.
5649 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5651 * function.c (purge_addressof_1): Do not perform endianness
5652 corrections on bitpos, who we call will do it for us.
5654 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
5656 * h8300.c (WORD_REG_USED): Fix typo.
5657 (initial_offset): Use WORD_REG_USED.
5659 * h8300.c (handle_pragma): Fix typo.
5661 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5663 * caller-save.c (insert_save_restore): Break this function up
5664 into new functions insert_restore, insert_save and insert_one_insn.
5665 All callers changed.
5666 (insert_restore): New function, mostly broken out of
5667 insert_save_restore.
5668 (insert_save): Likewise.
5669 (insert_one_insn): Likewise.
5670 (restore_referenced_regs): New argument BLOCK. All callers changed.
5671 (save_call_clobbered_regs): Don't keep track of basic block boundaries
5672 in this function, do it in insert_one_insn instead.
5674 * reload1.c (reload): Break out some more pieces into separate
5676 (dump_needs): New function, broken out of reload.
5677 (set_initial_elim_offsets): Likewise.
5678 (init_elim_table): Likewise.
5679 (update_eliminables): Likewise.
5681 * global.c (global_alloc): Delete code to manage the scratch_list.
5682 * local-alloc.c (qty_scratch_rtx): Delete.
5683 (scratch_block): Delete.
5684 (scratch_list): Delete.
5685 (scratch_list_length): Delete.
5686 (scratch_index): Delete.
5687 (alloc_qty_for_scratch): Delete.
5688 (local-alloc): Update initialization of max_qty.
5689 Delete code to manage the scratch list.
5690 Delete code to allocate/initialize qty_scratch_rtx.
5691 (block_alloc): Don't allocate quantities for scratches.
5692 Delete code to manage the scratch list.
5693 * regs.h (scratch_list): Delete declaration.
5694 (scratch_block): Delete declaration.
5695 (scratch_list_length): Delete declaration.
5696 * reload1.c (reload): Delete code to manage the scratch list.
5697 (spill_hard_reg): Likewise.
5698 (mark_scratch_live): Delete.
5700 * recog.c (alter_subreg): Delete declaration.
5702 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
5704 * Makefile.in (cccp.o): Fix typo in last patch.
5706 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5708 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
5709 * config/sh/lib1funcs.asm (___set_fpscr): Add.
5711 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
5713 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
5714 NULL_RTX as an argument.
5716 * Makefile.in (unlibsubdir): Define.
5717 (DRIVER_DEFINES): Use unlibsubdir.
5718 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
5719 (stmp-fixinc): Similarly.
5721 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5723 * regmove.c (regmove_optimize): Add variable old_max_uid.
5724 At the end of the function, update basic_block_end.
5726 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5728 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
5729 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
5732 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
5734 * config/arm/arm.c: Improve interworking support.
5736 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5738 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
5739 copied from reload_out[r] .
5741 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
5743 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
5744 with more than three size ranges.
5746 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
5748 * rtl.c (mode_name): Add a null string at the end of the array.
5749 (mode_wider_mode): Change type to unsigned char.
5750 (mode_mask_array): New variable.
5751 (init_rtl): Update for mode_wider_mode type change.
5753 * rtl.h (mode_wider_mode): Change type to unsigned char.
5754 (mode_mask_array): Declare.
5755 (GET_MODE_MASK): Use mode_mask_array.
5757 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
5759 * calls.c (expand_call) : Encapsulate code into
5760 copy_blkmode_from_reg.
5761 * expr.c (copy_blkmode_from_reg): New function.
5762 * expr.h (copy_blkmode_from_reg): New function.
5763 * integrate.c (function_cannot_inline_p): We can inline
5765 (expand_inline_function): Use copy_blkmode_from_reg
5766 if needed. Avoid creating BLKmode REGs.
5767 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
5770 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
5772 * config/v850/v850.c: Add function prototypes.
5773 Add support for v850 special data areas.
5775 * config/v850/v850.h: Add support for v850 special data areas.
5777 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
5778 HANDLE_PRAGMA_PACK_PUSH_POP.
5779 (push_alignment): New function: Cache an alignment requested
5780 by a #pragma pack(push,<n>).
5781 (pop_alignment): New function: Pop an alignment from the
5783 (insert_pack_attributes): New function: Generate __packed__
5784 and __aligned__ attributes for new decls whilst a #pragma pack
5786 (add_weak): New function: Cache a #pragma weak directive.
5787 (handle_pragma_token): Document calling conventions. Add
5788 support for #pragma pack(push,<n>) and #pragma pack (pop).
5790 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
5791 are defined enable HANDLE_PRAGMA_PACK.
5792 Move 'struct weak_syms' here (from varasm.c).
5793 Add pragma states for push and pop pragmas.
5795 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
5798 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
5799 HANDLE_GENERIC_PRAGMAS.
5801 * varasm.c: Move definition of 'struct weak_syms' into
5803 (handle_pragma_weak): Deleted.
5805 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5807 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5809 * c-decl.c (start_function): Add invocation of
5810 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
5812 * tm.texi: Remove description of non-existant macro
5813 SET_DEFAULT_SECTION_NAME.
5815 (HANDLE_SYSV_PRAGMA): Document.
5816 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
5818 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
5820 * config.sub: Recognize i[34567]86-pc-udk as new target.
5821 * configure.in: Likewise.
5822 * config/i386/t-udk: New file.
5823 * config/i386/udk.h: New file.
5825 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
5827 * reorg.c (check_annul_list_true_false): Remove unused variables.
5828 (steal_delay_list_from_target): Add missing "used_annul" variable.
5829 (try_merge_delay_insns): Close out half formed comment.
5831 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5833 * cpplib.c (macroexpand): If arg->raw_before or
5834 arg->raw_after, remove any no-reexpansion escape at the
5835 beginning of the pasted token. Correct handling of whitespace
5836 markers and no-reexpand markers at the end if arg->raw_after.
5838 * toplev.c (documented_lang_options): Recognize -include,
5839 -imacros, -iwithprefix, -iwithprefixbefore.
5840 * cpplib.c (cpp_start_read): Process -imacros and -include
5841 switches at the same time and in command-line order, after
5842 initializing the dependency-output code. Emit properly nested
5843 #line directives for them. Emit a #line for the main file
5844 before processing these switches, and don't do it again
5847 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
5849 * function.c (purge_addressof_1): Use bitfield manipulation
5850 routines to handle mem mode < reg mode.
5852 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5854 * reorg.c (try_merge_delay_insns): Account for resources referenced
5855 in each instruction in INSN's delay list before trying to eliminate
5856 useless instructions. Similarly when looking at a trial insn's delay
5859 * reorg.c (check_annul_list_true_false): New function.
5860 (steal_delay_list_from_{target,fallthrough}): Call it and also
5861 refine tests for when we may annul if already filled a slot.
5862 (fill_slots_from_thread): Likewise.
5863 (delete_from_delay_slot): Return newly-created thread.
5864 (try_merge_delay_isns): Use its new return value.
5866 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
5868 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
5869 used to compute a giv or as some other non-counting use.
5871 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5873 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
5874 * local-alloc.c (find_free_reg): Use it.
5875 * global.c (find_reg): Likewise.
5876 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
5878 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
5879 * caller-save.c (init_caller_save): Use it.
5880 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
5882 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5884 * configure.in: Add --enable-cpplib option which uses cpplib
5885 for cpp, but doesn't link cpplib into cc1. Make help text
5886 capitalization consistent.
5887 * configure: Rebuilt.
5889 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
5891 * function.c (gen_mem_addressof): If the address REG is
5892 REG_USERVAR_P make the new REG be so also.
5893 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
5894 in an attempt to clarify slightly.
5896 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
5898 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
5899 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
5901 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
5903 * toplev.c: Fix last patch.
5905 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
5907 * loop.c (get_condition): Fix typo in May 9 change.
5909 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5911 * invoke.texi (-fexceptions): Merge 2 different descriptions.
5913 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5915 * toplev.c (documented_lang_options): Spelling corrections.
5917 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5919 * configure.in: new flags --with-ld and --with-as, equivalent
5920 to setting LD and AS environment variables. Test whether
5921 specified arguments are GNU commands, and report them with
5922 checking messages. Use the specified AS for configure
5925 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
5927 * gcc.c (find_a_file): when looking for `as' and `ld', return
5928 the DEFAULT program if it exists
5929 * collect2.c (main): use DEFAULT_LINKER if it exists
5931 * gcc.c (find_a_file): the test for existence of a full
5932 pathname was reversed
5934 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
5936 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
5937 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
5939 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
5941 * tree.h (TYPE_BINFO): Document.
5943 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
5945 * i386-coff.h (dbxcoff.h): Added.
5947 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
5949 * toplev.c: fix bad patch around flag_data_sections.
5951 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
5953 * reload1.c (reload): Use reload_address_index_reg_class and
5954 reload_address_base_reg_class when setting
5955 caller_save_spill_class. (Patch generated by Jim Wilson:
5958 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
5960 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
5961 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
5962 * expr.c (store_field): Add alias_set parameter. Set the
5963 MEM_ALIAS_SET accordingly, if the target is a MEM.
5964 (expand_assignment): Use it.
5965 (store_constructor_field): Pass 0.
5966 (expand_expr): Likewise.
5968 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
5970 * flags.h: Add flag_data_sections.
5971 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
5972 (compile_file): Error if flag_data_sections not supported.
5973 * varasm.c (assemble_variable): Handle flag_data_sections.
5974 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
5975 * config/mips/elf.h: Likewise.
5976 * config/mips/elf64.h: Likewise.
5977 * invoke.texi: Describe -fdata-sections.
5979 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
5981 * invoke.texi (-ffloat-store): Clarify that this option
5982 does not affect intermediate results -- only variables.
5984 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
5986 * cpp.texi: Update for Fortran usage from Craig.
5988 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5990 * rs6000.c (function_arg_boundary): Revert accidental change on
5993 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
5995 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
5996 (output_mi_thunk): Declare.
5998 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
5999 (output_function_profiler): Use r12 for temp, instead of r11 so
6000 that we preserve the static chain register.
6002 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
6004 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
6006 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6008 * sh.c (gen_shl_sext): Fix case 5.
6010 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6012 * reload1.c (reload_combine): Re-add line that got accidentally lost.
6014 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6016 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
6017 accessing variables until they are initialized via va_arg().
6019 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6021 * reload1.c (reload_combine): Initialize set before using.
6023 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
6025 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
6028 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
6030 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
6031 operand3 with mask before using it. Patch provided by Jim Wilson.
6033 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6035 * config/sparc/sparc.c (function_value): Perform the equivalent of
6036 PROMOTE_MODE for ARCH64.
6037 (eligible_for_epilogue_delay): Allow DImode operations in delay
6038 slot of a return for ARCH64.
6040 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6042 * sh.md (sqrtsf2): Fix mode of sqrt.
6044 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6046 * reload1.c (choose_reload_regs): Also try inheritance when
6047 reload_in is a stack slot of a pseudo, even if we already got a
6050 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6052 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
6053 (reload_cse_regs): New function body: call reload_cse_regs_1,
6054 reload_combine, reload_cse_move2add.
6055 When doing expensive_optimizations, call reload_cse_regs_1 a
6056 second time after reload_cse_move2add.
6057 (reload_combine, reload_combine_note_store): New functions.
6058 (reload_combine_note_use): New function.
6059 (reload_cse_move2add, move2add_note_store): New functions.
6061 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6063 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
6064 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
6066 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
6067 more than 3 such reloads.
6069 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
6070 RELOAD_FOR_X_ADDR_ADDR reload.
6072 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6074 * expr.c (store_constructor): When initializing a field that is smaller
6075 than a word, at the start of a word, try to widen it to a full word.
6077 * cse.c (cse_insn): When we are about to change a register,
6078 remove any invalid references to it.
6080 (remove_invalid_subreg_refs): New function.
6081 (mention_regs): Special treatment for SUBREGs.
6082 (insert_regs): Don't strip SUBREG for call to mention_regs.
6083 Check if reg_tick needs to be bumped up before that call.
6084 (lookup_as_function): Try to match known word_mode constants when
6085 looking for a norrower constant.
6086 (canon_hash): Special treatment for SUBREGs.
6088 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6090 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
6091 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
6092 defined, emit libcall to __enable_execute_stack. Also fix opcodes
6093 and offsets in actual stack trampoline code so they match the
6094 commentary and actually work.
6096 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6098 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
6100 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
6101 tmake_file. Set extra_parts to needed crt objects.
6102 * configure: Rebuilt.
6103 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
6104 (TARGET_DEFAULT): Set if default is v9 or ultra.
6105 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
6106 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
6107 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
6108 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
6109 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
6110 (TARGET_VERSION): Define.
6111 (MULTILIB_DEFAULT): Define.
6112 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
6113 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
6114 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
6116 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
6117 * config/sparc/sparc.c (sparc_override_options): If arch and
6118 pointer size disagree, emit diagnostic and fix it up. If
6119 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
6120 V8PLUS in 64-bit mode.
6121 * config/sparc/t-linux64: New file.
6122 * config/sparc/t-sol2-64: New file.
6123 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
6124 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
6125 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
6126 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
6127 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
6128 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
6130 (STARTFILE_SPEC): Set approriately based upon those.
6131 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
6132 disposition of DEFAULT_ARCH32_P.
6133 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
6134 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
6135 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
6136 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
6137 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
6139 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
6141 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
6143 * rtl.h (init_virtual_regs): New function.
6144 * emit-rtl.c (init_virtual_regs): Define.
6145 (insn_emit): Use it.
6146 * integrate.c (save_for_inline_copying): Likewise.
6148 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
6150 * config/arm/thumb.h: The following patches were made by Jim Wilson:
6151 (enum reg_class): Add NONARG_LO_REGS support.
6152 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
6153 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
6154 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
6155 completes. Re-enable HImode REG+OFFSET addresses.
6156 (LEGITIMIZE_RELOAD_ADDRESS): Define.
6158 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
6160 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
6162 * alpha.c (get_aligned_mem): Revert Sep 20 change.
6163 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
6164 (alpha_align_insns): Properly calculate initial offset wrt max_align.
6166 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
6168 * arm.c (find_barrier): Revert change of Apr 23. Handle table
6169 jumps as a single entity, taking into account the size of the
6172 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
6174 * tree.def (SWITCH_EXPR): New tree node definition.
6176 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
6178 * version.c: Bump for snapshot.
6180 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
6182 * version.c: Bump for snapshot.
6184 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
6186 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
6189 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
6191 * Revert this patch.
6192 * reload.c (find_reloads): Do not replace a pseudo with
6193 (MEM (reg_equiv_addr)) in the initializing insn for the
6196 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
6198 * final.c (final_scan_insn): Disable tracking CC across branches.
6200 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6202 * expr.h (eh_rtime_match_libfunc): New extern declaration.
6203 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
6204 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
6205 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
6206 NULL. Only include <stdio.h> if inhibit_libc is not defined.
6208 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
6210 * toplev.c (rest_of_compilation): Skip compiling anything with
6211 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
6213 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
6215 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
6216 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
6217 use in_libcall_block.
6218 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
6219 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
6222 Mon Sep 21 14:02:23 1998
6224 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
6225 typo in no-fancy-math-387 description.
6227 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
6229 * version.c: Bump for snapshot.
6231 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
6233 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
6235 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
6237 * i386.h: (TARGET_SWITCHES) Add description fields for flags
6238 documented in install.texi.
6239 (TARGET_OPTIONS) Likewise.
6241 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
6243 * version.c: Bump for snapshot.
6245 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
6247 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
6248 * cccp.c (main): Likewise.
6250 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
6251 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
6254 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
6256 * Makefile.in (LIBS): Link in libiberty.a.
6257 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
6259 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
6261 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
6262 it to update bb boundaries. Update caller.
6263 * function.c (reposition_prologue_and_epilogue_notes): Update
6264 bb boundaries wrt the moved note.
6266 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
6268 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
6270 * configure: Regenerate.
6272 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
6274 * alpha.c (alpha_sr_alias_set): New variable.
6275 (override_options): Set it.
6276 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
6277 (mode_mask_operand): Fix signed-unsigned comparision warning.
6278 (alpha_expand_block_move): Likewise.
6279 (print_operand): Likewise.
6280 (get_aligned_mem): Use change_address.
6281 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
6282 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
6283 (alphaev4_next_nop, alphaev5_next_nop): New functions.
6284 (alpha_align_insns): Remade from old alphaev5_align_insns
6285 to handle multiple processors.
6286 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
6287 * output.h (label_to_alignment): Prototype.
6289 * tree.c (new_alias_set): New function.
6290 * tree.h (new_alias_set): Declare it.
6291 * c-common.c (c_get_alias_set): Use it.
6293 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
6295 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
6296 to an ABS expr, convert an unsigned input to signed.
6298 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
6300 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
6302 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6304 * configure.in: Add support for c4x targets.
6305 * configure: Rebuilt.
6307 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
6309 * combine.c (distribute_notes): If an insn is a cc0 user, only
6310 delete it if we can also delete the cc0 setter.
6312 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
6314 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
6315 (invert_truthvalue): Enable truthvalue inversion for
6316 floating-point operands if -ffast-math.
6318 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
6320 * configure.in: Disable collect2 for nextstep. Instead use
6322 * configure: Rebuilt.
6323 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
6324 (ENDFILE_SPEC): Define.
6325 (OBJECT_FORMAT_MACHO): Define.
6326 (EH_FRAME_SECTION_ASM_OP): Define.
6327 * crtstuff.c: Handle MACHO.
6329 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
6331 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
6333 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
6335 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
6336 (_fpadd_parts): Get sign right for 0.
6338 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6340 * ginclude/varargs.h: Add support for C4x target.
6341 * ginclude/stdargs.h: Likewise.
6343 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
6345 * alpha.c (alpha_return_addr): SET should be VOIDmode.
6346 (alpha_emit_set_long_const): Rewrite to be callable from reload
6348 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
6349 * alpha.md (movdi): Likewise.
6351 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
6353 * arm.c (add_constant): New parameter address_only, change caller.
6354 Set it non-zero if taking the address of an item in the pool.
6355 (arm_reorg): Handle cases where we need the address of an item in
6358 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
6360 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
6361 memory addresses that are not in standard canonical form.
6363 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
6365 * README.C4X: New file with information about the c4x ports.
6366 * ginclude/va-c4x.h: New file for c4x varargs support.
6367 * config/c4x: New directory with c4x port files.
6369 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
6371 * reload.c (find_reloads): Do not replace a pseudo with
6372 (MEM (reg_equiv_addr)) in the initializing insn for the
6375 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
6377 * toplev.c (rest_of_compilation): Set bct_p on second call to
6379 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
6381 (strength_reduce): Only call analyze_loop_iterations and
6382 insert_bct if bct_p set.
6383 (check_dbra_loop): Fix typo.
6384 (insert_bct): Use word_mode instead of SImode.
6385 (instrument_loop_bct): Likewise. Do not delete iteration count
6386 condition code generation insn. Initialize iteration count before
6388 * rtl.h (loop_optimize): Update prototype.
6390 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
6391 not doubleword aligned.
6393 * rs6000.c (optimization_options): New function.
6394 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
6395 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
6396 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
6397 first; cr1 can be used for FP record condition insns.
6399 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
6401 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
6404 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
6407 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
6409 (block_move_call): New function: Call a library routine to copy a
6411 (m32r_expand_block_move): New function: Expand a "movstrsi"
6412 pattern into a sequence of insns.
6413 (m32r_output_block_move): New function: Expand a
6414 "movstrsi_internal" pattern into a sequence of assembler opcodes.
6415 (m32r_block_immediate_operand): New function: Return true if the
6416 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
6418 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6420 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
6422 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
6424 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6426 * regmove.c (copy_src_to_dest): Check that modes match.
6428 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
6430 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
6432 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
6434 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
6435 narrower than FLOAT_REGS.
6437 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6439 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
6441 * Makefile.in (old_gxx_include_dir): removed
6443 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
6445 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
6448 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
6449 (sh_handle_pragma): Change function arguments to match new
6450 specification for HANDLE_PRAGMA.
6452 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6454 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
6456 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
6457 When generating output, initialize missing struct member to zero.
6459 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6461 * regmove.c (copy_src_to_dest): Don't copy if that requires
6462 (a) new register(s).
6464 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6466 * global.c (reg_allocno): Now static.
6467 * reload1.c (reg_allocno): Delete declaration.
6468 (order_regs_for_reload): Take no arguments. Don't treat regs
6469 allocated by global differently than those allocated by local-alloc.
6471 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
6473 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
6474 condition, fix format strings.
6475 (output_function_epilogue): Likewise.
6477 * m68k/m68k.c: Don't include <stdlib.h> directly.
6479 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
6481 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
6482 mem_first_set, mem_last_set; because 0 can be a CUID.
6483 (oprs_unchanged_p): Use new definition.
6484 (record_last_reg_set_info): Likewise.
6485 (record_last_mem_set_info): Likewise.
6486 (compute_hash_table): Likewise.
6488 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
6490 * rs6000.c (output_epilogue): Handle Chill.
6492 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
6493 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
6495 * combine.c (make_extraction): If no mode is specified for
6496 an operand of insv, extv, or extzv, default it to word_mode.
6497 (simplify_comparison): Similarly.
6498 * expmed.c (store_bit_field): Similarly.
6499 (extract_bit_field): Similarly.
6500 * function.c (fixup_var_regs_1): Similarly.
6501 * recog.c (validate_replace_rtx_1): Similarly.
6502 * mips.md (extv, extzv, insv expanders): Default modes for most
6503 operands. Handle TARGET_64BIT.
6504 (movdi_uld, movdi_usd): New patterns.
6506 * pa.c (emit_move_sequence): Do not replace a pseudo with its
6507 equivalent memory location unless we have been provided a scratch
6508 register. Similarly do not call find_replacement unless a
6509 scratch register has been provided.
6511 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6513 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
6516 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
6518 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
6519 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
6520 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
6521 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
6522 * c-decl.c (init_decl_processing): Update accordingly.
6523 * expr.c (expand_builtin): Likewise.
6525 * rtl.h (global_rtl): Add cfa entry.
6526 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
6527 (LAST_VIRTUAL_REGISTER): Update.
6528 * emit-rtl.c (global_rtl): Add cfa entry.
6529 (init_emit): Initialize it.
6530 * function.c (cfa_offset): New.
6531 (instantiate_virtual_regs): Initialize it.
6532 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
6533 (expand_function_end): Call expand_eh_return.
6534 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
6536 * except.c (current_function_eh_stub_label): Kill.
6537 (current_function_eh_old_stub_label): Likwise; update all references.
6538 (expand_builtin_set_return_addr_reg): Kill.
6539 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
6540 (expand_builtin_set_eh_regs): Kill.
6541 (eh_regs): Produce a third reg for the actual handler address.
6542 (eh_return_context, eh_return_stack_adjust): New.
6543 (eh_return_handler, eh_return_stub_label): New.
6544 (init_eh_for_function): Initialize them.
6545 (expand_builtin_eh_return, expand_eh_return): New.
6546 * except.h: Update prototypes.
6547 * flow.c (find_basic_blocks_1): Update references to the stub label.
6548 * function.h (struct function): Kill stub label elements.
6550 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
6551 register number is one that would be in the previous window.
6552 Provide a dummy definition for non-windowed targets.
6553 (get_reg_addr): New function.
6554 (get_reg, put_reg, copy_reg): Use it.
6555 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
6556 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
6558 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
6559 (alpha_init_expanders): Initialize it.
6560 (alpha_expand_epilogue): Use it.
6561 * alpha.h: Declare it.
6562 * alpha.md (eh_epilogue): New.
6564 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
6565 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
6567 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
6569 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
6572 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6574 * except.h (struct eh_entry): Add false_label field.
6575 (end_catch_handler): Add prototype.
6576 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
6577 (start_catch_handler): When using old style exceptions, issue
6578 runtime typematch code before continuing with the handler.
6579 (end_catch_handler): New function, generates label after handler
6580 if needed by older style exceptions.
6581 (expand_start_all_catch): No need to check for new style exceptions.
6582 (output_exception_table_entry): Only output the first handler label
6583 for old style exceptions.
6584 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
6585 mechanism into one function, if a runtime matcher is provided.
6587 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6589 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
6591 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
6593 * integrate.c (copy_decl_list): Fix typo.
6595 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6597 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
6600 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
6602 * version.c: Bump for snapshot.
6604 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
6606 * version.c: Bump for snapshot.
6608 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
6610 * version.c: Bump for snapshot.
6612 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6614 * invoke.texi (C Dialect Options): Put back missing @end itemize.
6616 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6618 * configure.in: remove usage of `!' to negate the result of a
6619 command; some common shells do not support it
6621 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6623 * configure.in: in sparc9-sol2 config, use 'if test' not
6625 * configure: Rebuilt.
6627 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
6629 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
6630 (CPP_CPU_DEFAULT_SPEC): Likewise.
6631 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
6632 for arch64 libfuncs.
6634 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
6637 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6639 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
6641 * collect2.c: Don't declare `sys_siglist' here.
6642 (my_strsignal): Prototype and define new function. Use it in
6643 place of `sys_siglist' hacks.
6645 * mips_tfile.c: Likewise.
6647 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
6648 (GCC_NEED_DECLARATIONS): Likewise.
6650 * system.h (strsignal): Prototype it, if necessary.
6651 (sys_siglist): Declare it, if necessary.
6653 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6655 * loop.c (move_movables): While removing insn sequences, preserve
6656 the next pointer of the most recently deleted insn when we skip
6659 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
6661 * objc/config-lang.in: Do not output the name of the selected
6662 thread file when building the front-end. The Makefile for the
6663 runtime library will do this.
6665 * objc/Make-lang.in: Do not build the runtime library or install
6666 the Objective C header files. The Makefile for the runtime
6667 library will do this.
6669 * objc/Makefile.in (all.indirect): Only build the front-end.
6670 (compiler): Rename to `frontend'.
6671 (obj-runtime): Remove target.
6672 (copy-headers): Likewise.
6673 (clean): No need to remove `libobjc.a' any longer.
6675 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
6677 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
6678 supported with -mcpu=xxx.
6680 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6682 * flow.c (mark_set_1): Recognize multi-register structure return
6683 values in CALL insns.
6684 (mark_used_regs): Likewise.
6685 (count_reg_sets_1): Likewise.
6686 (count_reg_references): Likewise.
6687 * rtlanal.c (note_stores): Likewise.
6688 (reg_overlap_mentioned_p): Likewise.
6689 * haifa-sched.c (check_live_1): Likewise.
6690 (update_live_1): Likewise.
6691 (sched_analyze_1): Likewise.
6692 (sched_note_set): Likewise.
6693 (birthing_insn_p): Likewise.
6694 (attach_deaths): Likewise.
6696 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
6699 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
6701 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
6703 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6705 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
6707 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6709 * configure.in: Add check for GAS subsection -1 support.
6710 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
6711 * configure config.in: Rebuilt.
6712 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
6713 SImode is subsection -1 works, else use DImode.
6714 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
6715 subsection -1 works.
6716 * config/sparc/sparc.c (sparc_output_addr_vec,
6717 sparc_output_addr_diff_vec): Use them if defined.
6719 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
6721 * tree.h (DECL_ORIGIN): New macro.
6722 * integrate.c (copy_and_set_decl_abstract_origin): New function.
6723 (copy_decl_list): Use it.
6724 (integrate_parm_decls): Likewise.
6725 (integrate_decl_tree): Likewise.
6726 * dwarf2out.c (decl_ultimate_origin): Simplify.
6727 * dwarfout.c (decl_ultimate_origin): Likewise.
6728 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
6729 (pushdecl): Likewise.
6731 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
6733 * config/rs6000/rs6000.c (output_epilog): Add Java support.
6735 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
6737 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
6739 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
6741 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
6742 empty or has a single entry.
6744 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
6745 before calling reg_to_stack.
6747 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
6749 * alpha.c (alphaev5_insn_pipe): Abort on default case.
6750 (alphaev5_next_group): Swallow CLOBBERs and USEs.
6752 * c-tree.h (warn_long_long): Declare it.
6754 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
6756 * emit-rtl.c (gen_lowpart_common): Disable optimization of
6757 initialized float-int union if the value is a NaN.
6759 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
6761 * c-lex.c (real_yylex): Don't warn about long long constants if
6762 we're allowing long long
6764 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6766 * except.h (current_function_eh_stub_label): Declare.
6767 (current_function_eh_old_stub_label): Declare.
6768 * function.h (struct function): New members eh_stub_label and
6770 * except.c (current_function_eh_stub_label): New variable.
6771 (current_function_eh_old_stub_label): New variable.
6772 (init_eh_for_function): Clear them.
6773 (save_eh_status): Save them.
6774 (restore_eh_status): Restore them.
6775 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
6776 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
6777 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
6778 make an edge from the block that contains it to the block starting
6779 with the label if this label is one of the eh stub labels.
6780 If eh stub labels exist, show they are reachable from the last block
6783 * reload1.c (reload): Break out several subroutines and make some
6785 (calculate_needs_all_insns): New function, broken out of reload.
6786 (calculate_needs): Likewise.
6787 (find_reload_regs): Likewise.
6788 (find_group): Likewise.
6789 (find_tworeg_group): Likewise.
6790 (something_needs_reloads): New global variable, formerly in reload.
6791 (something_needs_elimination): Likewise.
6792 (caller_save_spill_class): Likewise.
6793 (caller_save_group_size): Likewise.
6794 (max_needs): Likewise.
6795 (group_size): Likewise.
6796 (max_groups): Likewise.
6797 (max_nongroups): Likewise.
6798 (group_mode): Likewise.
6799 (max_needs_insn): Likewise.
6800 (max_groups_insn): Likewise.
6801 (max_nongroups_insn): Likewise.
6802 (failure): Likewise.
6804 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
6806 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
6808 * loop.c (load_mems): Copy rtx for output mem.
6810 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
6812 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
6813 mips1 or mips2 either.
6815 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
6817 * pa.c (pa_reorg): New marking scheme for jumps inside switch
6819 (pa_adjust_insn_length): Update to work with new marking scheme
6820 for jumps inside switch tables.
6821 * pa.md (switch_jump): Remove pattern.
6822 (jump): Handle jumps inside jump tables.
6824 * Makefile.in (profile.o): Depend on insn-config.h
6826 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
6828 * iris6.h (DWARF2_UNWIND_INFO): Undef.
6830 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6832 Add preliminary native sparcv9 Solaris support.
6833 * configure.in: Recognize sparv9-*-solaris2*
6834 * configure: rebuilt
6835 * config.sub: Recognize sparcv9 just like sparc64.
6836 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
6837 config/sparc/sol2-cn.asm: Macroize so it can be shared between
6838 32-bit and 64-bit Solaris systems.
6839 * config/sparc/t-sol2: Assemble those with cpp.
6840 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
6841 (*TF*_LIBCALL): If ARCH64 use V9 names.
6842 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
6844 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6846 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
6847 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
6849 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
6851 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
6852 to Pmode if CASE_VECTOR_MODE is something else.
6854 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
6856 * prefix.c (update_path): Correctly handle cases where PATH is
6857 a substring of the builtin prefix, but specifies a different
6860 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
6862 * expr.c: Corrected comment about what MOVE_RATIO does.
6863 * config/alpha/alpha.h: Ditto.
6864 * config/1750a/1750a.h: Ditto.
6865 * config/clipper/clipper.h: Ditto.
6866 * config/i386/i386.h: Ditto.
6868 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
6870 * configure.in (m68k-next-nextstep3*): Use collect2.
6871 Similarly for x86 NeXT configurations.
6872 * configure: Rebuilt.
6874 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
6876 * configure.in: Don't assume srcdir is .../gcc
6877 * configure: Rebuilt.
6879 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
6881 * global.c: Update comments.
6882 (global_alloc): Assign allocation-numbers
6883 even for registers allocated by local_alloc in case
6884 they are later spilled and retry_global_alloc is called.
6885 (mark_reg_store, mark_reg_clobber,
6886 mark_reg_conflicts, mark_reg_death): Always record a
6887 conflict with a pseudo register even if it has been
6888 assigned to a hard register.
6889 (dump_conflicts): Don't list pseudo registers already assigned to
6890 a hard register as needing to be allocated, but do list their
6892 * local-alloc.c: Update comment.
6894 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
6896 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
6897 * configure: Rebuilt.
6899 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
6901 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
6903 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
6904 for all targets that set -msoft-float.
6906 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6908 * toplev.c (print_switch_values): Make static to match prototype.
6910 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
6912 * configure.in: If we are unable to find the "gnatbind" program,
6913 then do not configure the ada subdir.
6914 * configure: Rebuilt.
6916 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
6918 * version.c: Bump for snapshot.
6920 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
6922 * version.c: Bump for snapshot.
6924 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6926 * Makefile.in (toplev.o): Depend on $(EXPR_H).
6927 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
6929 * gansidecl.h: Define ATTRIBUTE_NORETURN.
6931 * genattrtab.c: Have insn-attrtab.c include toplev.h.
6933 * genextract.c: Have insn-extract.c include toplev.h.
6935 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
6937 * toplev.c: Include expr.h.
6938 (really_sorry, fancy_abort): Remove prototypes.
6939 (set_target_switch): Add argument in prototype.
6940 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
6941 (v_really_sorry): Likewise.
6942 (print_version, print_single_switch, print_switch_values): Make
6943 static and add prototype arguments.
6944 (decl_printable_name): Add prototype arguments.
6945 (lang_expand_expr_t): New typedef.
6946 (lang_expand_expr): Declare as a lang_expand_expr_t.
6947 (incomplete_decl_finalize_hook): Add prototype argument.
6948 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
6949 (botch): Likewise for variable `s'.
6950 (rest_of_type_compilation): Mark variables `type' and `toplev'
6951 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
6952 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
6953 (display_help): Make variable `i' an `unsigned long'.
6954 (main): Remove unused parameter `envp'.
6955 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
6956 Cast -1 when comparing it with a `size_t'.
6958 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
6959 prototype with ATTRIBUTE_NORETURN.
6960 (fatal_insn_not_found, fatal_insn, really_sorry,
6961 push_float_handler, pop_float_handler): Add prototypes.
6962 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
6963 (do_abort, botch): Add prototypes.
6965 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
6967 * final.c (final): If a label is reached only from a single jump,
6968 call NOTICE_UPDATE_CC on the jump and its predecessor before
6969 emitting the insn after the label.
6971 * i386.h: Add AMD K6 support.
6972 Change TARGET_* macros to use table lookup.
6973 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
6974 (ADJUST_COST): Change definition to call function in i386.c.
6975 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
6976 * i386.c: Add AMD K6 support.
6977 Add constants for feature tests used by TARGET_* macros.
6978 (split_di): If before reload, call gen_lowpart and gen_highpart.
6979 (x86_adjust_cost): New function.
6980 (put_jump_code): New function.
6981 (print_operand): New codes 'D' and 'd'.
6982 * i386.md: New insn types. New insn attribute "memory".
6983 Redefine scheduling parameters to use new types and add AMD K6
6984 support. Explicitly set type of most insns.
6985 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
6986 Pro and K6 prefer movl $1,reg to incl reg.
6987 (adddi3, subdi3): Set cc_status.
6988 (DImode shift patterns): Change label counters from HOST_WIDE_INT
6989 to int; x86 can't have more than 2^31 DImode shifts per file.
6990 (setcc): Combine all setcc patterns. Allow writing memory.
6991 Combine all jump patterns using match_operator.
6992 (*bzero): Name pattern. Emit mutliple stos instructions when that
6993 is faster than rep stos.
6994 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
6997 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
6999 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
7002 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
7004 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
7005 not whatever we're generating now.
7007 * alpha.c (set_frame_related_p, FRP): New.
7008 (alpha_expand_prologue): Mark frame related insns.
7009 (alpha_expand_epilogue): Likewise, but with a null FRP.
7010 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
7011 * alpha.md (exception_receiver): New.
7012 * alpha/crtbegin.asm (.eh_frame): New beginning.
7013 (__do_frame_setup, __do_frame_takedown): New.
7014 * alpha/crtend.asm (.eh_frame): New ending.
7015 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
7016 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
7017 (ASM_FILE_START): Don't emit .file for dwarf2.
7019 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
7020 * rtl.c (reg_note_name): Likewise.
7021 * rtl.texi (REG_NOTES): Likewise.
7022 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
7025 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
7027 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
7028 * i386.md (movsf, movdf, movxf): Validate memory address returned
7029 from force_const_mem. Kill useless REG_EQUAL setting code.
7031 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
7033 * m68k.md (zero_extendsidi2): Fix typo.
7035 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
7037 * configure.in: Removed references to the removed file
7038 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
7039 * arm*-*-netbsd* and ns32k-*-netbsd*.
7040 * config/i386/xm-netbsd.h: Removed unnecessary file.
7041 * config/m68k/xm-netbsd.h: Likewise.
7042 * config/sparc/xm-netbsd.h: Likewise.
7043 * config/mips/xm-netbsd.h: Likewise.
7045 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
7047 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
7048 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
7050 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
7051 for exact section attributions.
7053 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
7055 * i386/crtdll.h (CPP_PREDEFINES): Define.
7057 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
7059 * m68k.md (5200 movqi): Do not allow byte sized memory references
7061 * m68k.c (output_move_qimode): Do not use byte sized operations on
7064 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
7065 explicit rules for building. Similarly for alloca, vfprintf,
7066 choose-temp and mkstemp, getopt, getopt1, and obstack.
7067 (INCLUDES): Add $(srcdir)/../include.
7068 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
7069 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
7071 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
7073 * gcc.c (do_spec_1): [case 'o'] Account for
7074 lang_specific_extra_outfiles.
7075 (main): Correctly clear all slots in outfiles for
7076 lang_specific_extra_outfiles. Set input_file_number before
7077 calling lang_specific_pre_link.
7079 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
7081 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
7083 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7085 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
7087 (sparc_output_deferred_case_vectors): If no work to do, return.
7088 Fix thinko in Sept 1 change.
7090 1998-09-03 SL Baur <steve@altair.xemacs.org>
7092 * Makefile.in: add semicolon in BISON definition for portability.
7094 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
7096 * config/nextstep.c (handle_pragma): Correct name of third
7099 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
7101 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
7102 * config/m32r/m32r.h: Make register 17 be fixed.
7103 * config/m32r/m32r.c: Use SImode for cc operations.
7105 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
7107 * invoke.texi (Warning Options): Add -Wnon-template-friend
7110 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
7112 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
7114 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
7116 * rs6000.md (movsf): Disable explicit secondary-reload-like
7117 functionality if TARGET_POWERPC64.
7118 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
7121 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
7123 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
7124 and term.h from fixinc.wrap.
7126 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7128 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
7129 safe to include both string.h and strings.h together.
7130 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
7131 which headers to search for function declarations. Continue to
7132 prefer string.h over strings.h when both are not acceptable.
7134 * acconfig.h (STRING_WITH_STRINGS): Add stub.
7136 * configure.in: Call GCC_HEADER_STRING.
7138 * system.h: Test STRING_WITH_STRINGS when deciding which headers
7139 to include. Continue to prefer string.h over strings.h when both
7142 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7144 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
7145 not assume top 32-bits of symbolic addresses are zero if
7148 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
7150 * ginclude/va-alpha.h: Protect entire second portion of the
7151 file against double inclusion.
7153 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
7155 Added support for the Boehm's garbage collector.
7156 * configure.in: Handle --enable-objc-gc.
7157 * configure: Rebuilt.
7158 * Makefile.in (CHECK_TARGETS): Add check-objc.
7159 (check-objc): New rule.
7160 * objc/Make-lang.in: Build a different Objective-C library that
7161 runs with the Boehm's collector.
7162 * objc/encoding.c (objc_round_acc_size_for_types): New function.
7163 * objc/encoding.c: Correctly compute the size of compound types in
7164 the presence of bitfields. Skip the variable name of the type if
7165 any. Added support for long long.
7166 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
7167 (_F_GCINVISIBLE): New mask.
7168 * objc/gc.c: New file. Compute the type memory mask associated with
7169 a class based on the runtime information.
7170 * objc/misc.c: Added the hooks that use the Boehm's collector
7171 allocation functions.
7172 * objc/objc-act.c (build_class_template): Generate a new class
7173 member (gc_object_type) to hold the class' type memory mask.
7174 (build_shared_structure_initializer): Initialize the new member to
7176 (encode_complete_bitfield): New function. Generate the new
7178 (encode_field_decl): Generate the new encoding only for the GNU
7180 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
7182 (class_get_gc_object_type): New function to mark a pointer instance
7183 variable as a weak pointer.
7184 * objc/objc-features.texi: New file.
7185 * objc/objc.h (gc_object_type): New class member.
7186 * objc/objects.c (class_create_instance): Create a typed memory
7187 object when compiled with Boehm's collector support.
7188 * objc/sendmsg.c (__objc_init_install_dtable): Call
7189 __objc_send_initialize instead of setting the initialize flag.
7190 (__objc_send_initialize): Call __objc_generate_gc_type_description
7191 to generate the class type memory mask. Rewrite the code that
7192 sends the +initialize so that it is called only once (bug report
7193 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
7194 * testsuite/objc: New testsuite for Objective-C type encoding.
7195 * testsuite/lib/objc-torture.exp: New file.
7196 * testsuite/lib/objc.exp: New file.
7198 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
7200 * jump.c (jump_optimize): In if/then/else transformations, add
7201 another call to modified_between_p for the jump insn.
7203 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
7205 * fix-header.c (symlink): Treat like readlink.
7207 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7209 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
7212 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
7214 * config/nextstep.h: Update HANDLE_PRAGMA macro.
7215 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
7216 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
7218 * config/nextstep.c (handle_pragma): Take three arguments, as per
7219 the new HANDLE_PRAGMA macro specification.
7220 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
7221 per the new HANDLE_PRAGMA macro specification.
7222 * config/i960/i960.c (process_pragma): Take three arguments, as
7223 per the new HANDLE_PRAGMA macro specification.
7225 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
7227 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
7228 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
7229 if unknown pragmas are encountered.
7230 (handle_sysv_pragma): Interpret return code from
7231 handle_pragma_token (). Return success/failure indication rather
7232 than next unprocessed character.
7233 (pragma_getc): New function: retrieves characters from the
7234 input stream. Defined when HANDLE_PRAGMA is enabled.
7235 (pragma_ungetc): New function: replaces characters back into the
7236 input stream. Defined when HANDLE_PRAGMA is enabled.
7238 * c-pragma.c (handle_pragma_token): Return success/failure status
7241 * c-pragma.h: Change prototype of handle_pragma_token().
7243 * varasm.c: (handle_pragma_weak): Only create this function if
7244 HANDLE_PRAGMA_WEAK is defined.
7246 * c-common,c (decl_attributes): If defined call the expression
7247 contained within the INSERT_ATTRIBUTES macro before adding
7248 attributes to a decl.
7250 * tm.texi (HANDLE_PRAGMA): Document the new verion of
7251 HANDLE_PRAGMA, which takes three arguments.
7252 (INSERT_ATTRIBUTES): Document this new macro.
7254 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
7255 new INSERT_ATTRIBUTES macro.
7257 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7259 * config/sparc/sparc.md (movdf): Only generate special RTL for
7260 LABEL_REFs when PIC.
7261 (move_label_di): Remove
7262 (movdi_pic_label_ref, movdi_high_pic_label_ref,
7263 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
7264 references when PIC.
7265 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
7266 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
7267 output an .xword for all 64-bit cases.
7269 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7271 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
7272 alignment, use FUNCTION_BOUNDARY instead.
7273 (sparc_output_deferred_case_vectors): Likewise.
7275 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7277 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
7278 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
7280 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
7282 * alpha/va_list.h: New file.
7283 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
7285 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
7287 * NEWS: Add SCO Openserver and Unixware 7 notes.
7291 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
7293 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
7294 (record_constant_1): Handle RANGE_EXPR.
7296 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
7298 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
7299 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
7300 and NOTE_INSN_RANGE_END specially.
7301 (reemit_notes): Likewise.
7303 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7305 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
7306 (ultrasparc_sched_init): Remove unneeded &.
7308 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7310 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
7311 for m68020-60, to prevent the use of fintrz.
7313 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
7315 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
7317 * Makefile.in: Likewise.
7318 * configure: Regenerated.
7320 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
7322 * configure.in (gxx_include_dir): Changed to
7323 '${prefix}/include/g++'-${libstdcxx_interface}.
7324 * configure: Rebuilt.
7326 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
7328 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
7330 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
7331 *sequences* *below* which scalar moves will be used.
7333 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
7335 * collect2.c (mktemp): Delete unused declaration.
7337 * config/xm-netbsd.h: Remove unnecessary file.
7338 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
7339 file anymore, it is not needed.
7341 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
7343 * convert.c (convert_to_integer): Issue an error on conversions to
7346 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
7348 * Makefile.in: Add lang_tree_files and gencheck.h.
7349 * configure.in: Generate them.
7350 * gencheck.c: Include gencheck.h.
7352 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7354 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
7355 movdi_lo_sum_pic and movdi_high_pic and make visible.
7356 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
7357 emit these when Pmode is not SImode.
7358 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
7360 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
7362 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
7363 .linkonce directive after the first time.
7365 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
7367 * m68k.md (beq0_di): Generate correct (and more efficient) code when
7368 the clobbered operand overlaps with an input.
7369 (bne0_di): Similarly.
7371 * Makefile.in (INSTALL): Remove "--no-header" argument.
7373 * NEWS: Various updates.
7375 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7377 * config/sparc/sparc.c (arith_operand, const64_operand,
7378 const64_high_operand, arith_double_4096_operand): Mark mode as
7380 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
7382 (sparc_emit_set_const64): Remove unused variable i.
7383 (sparc_splitdi_legitimate): Likewise for addr_part.
7384 (ultra_code_from_mask): Likewise for mask.
7385 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
7386 reverse return values so it matches usage and comments.
7387 (ultra_flush_pipeline): Likewise.
7388 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
7389 this_type, and allow loads and stores of differing FP modes as
7390 they do not create a conflict.
7391 (ultra_find_type): Initialize fpmode to SFmode, fix
7392 parenthesization thinkos in large conditional.
7393 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
7394 Init free_slot_mask after ultra_cur_hist is reset, not before.
7395 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
7396 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
7397 use ultra_flush_pipeline instead, then re-init group pointer.
7398 Fix statement with no effect. If no progress made in, and no
7399 instructions scheduled at all, advance to new pipeline cycle else
7400 we get into an endless loop.
7401 (ultrasparc_adjust_cost): Remove previous arg.
7402 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
7404 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
7406 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
7407 code. Use reg_overlap_mentioned_p to detect when source and
7408 destination overlap.
7409 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
7411 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
7413 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
7414 COMPARISON_VAL, into invariant_p.
7416 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7418 * regmove.c (regclass_compatible_p): New function.
7419 (regmove_optimize): Use it.
7421 Use NREGS parameter insted of calling max_reg_num.
7423 (fixup_match_1): Don't use code = MINUS when later tieing with
7424 a hard register is likely.
7426 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7428 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
7429 COMPARISON_VAL was normalized.
7431 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
7433 * loop.c (check_dbra_loop): The loop ending comparison value
7434 must be an invariant or we can not reverse the loop.
7436 * loop.c (scan_loop): Count down from max_reg_num - 1 to
7437 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
7439 (load_mems_and_recount_loop_regs_set): Likewise.
7441 * i386.c (print_operand): Remove obsolete 'c' docs.
7443 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
7445 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
7446 * frame.c (init_object_mutex): New function.
7447 (init_object_mutex_once): Likewise.
7448 (find_fde): Call it.
7449 (__register_frame_info): Likewise.
7450 (__register_frame_info_table): Likewise.
7451 (__deregister_frame_info): Likewise.
7453 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
7455 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
7457 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7459 * loop.c (check_dbra_loop): Enable code for reversal
7460 of some loops without a known constant loop end.
7462 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
7464 * haifa-sched.c (last_clock_var): New.
7465 (schedule_block): Initialize it.
7466 (schedule_insn): Use it to fill insn modes with issue information.
7468 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
7469 Tag trapb and next insn with TImode.
7470 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
7471 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
7472 Invoke alphaev5_align_insns as appropriate.
7473 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
7474 (MD_SCHED_VARIABLE_ISSUE): New.
7475 * alpha.md (attr type): Add multi.
7476 (define_asm_attributes): New.
7477 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
7478 (arg_home): Likewise.
7479 (fnop, unop, realign): New.
7481 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
7483 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
7484 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
7486 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
7487 (rs6000-ibm-aix4.[12]*): Likewise.
7488 * configure: Regnerate.
7490 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
7492 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
7493 already contains the return address.
7495 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
7497 * calls.c (expand_call): Use bitfield instructions to extract/deposit
7498 word sized hunks when loading unaligned args into registers.
7500 * haifa-sched.c (sched_analyze_insn): Only create scheduling
7501 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
7503 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
7505 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7507 * loop.c (check_dbra_loop): Add some code that would allow reversal
7508 of some loops without a known constant loop end if it were enabled.
7510 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
7512 * mips.md (lshrsi3_internal2+2): Fix type-o.
7514 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7516 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
7517 correctly with regards to stdio.h.
7519 * calls.c: Remove stdarg.h/varargs.h.
7522 * combine.c: Likewise.
7523 * cpperror.c: Likewise.
7524 * cpplib.c: Likewise.
7525 * cpplib.h: Likewise.
7526 * doprint.c: Likewise.
7527 * emit-rtl.c: Likewise.
7528 * final.c: Likewise.
7529 * fix-header.c: Likewise.
7531 * genattr.c: Likewise.
7532 * genattrtab.c: Likewise.
7533 * gencodes.c: Likewise.
7534 * genconfig.c: Likewise.
7535 * genemit.c: Likewise.
7536 * genextract.c: Likewise.
7537 * genflags.c: Likewise.
7538 * genopinit.c: Likewise.
7539 * genoutput.c: Likewise.
7540 * genpeep.c: Likewise.
7541 * genrecog.c: Likewise.
7542 * mips-tfile.c: Likewise.
7543 * prefix.c: Likewise.
7544 * protoize.c: Likewise.
7545 * regmove.c: Likewise.
7546 * toplev.c: Likewise.
7549 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7551 * config/sparc/sparc.c (sparc_override_options): If not
7552 TARGET_FPU, turn off TARGET_VIS.
7553 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
7554 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
7555 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
7556 (movdi_insn_sp64): Add VIS fzero alternative.
7557 (clear_sf, clear_df): New VIS patterns.
7558 (movsf, movdf expanders): Allow fp_zero_operand flat out when
7560 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
7562 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
7564 * loop.c (n_times_set, n_times_used, may_not_optimize,
7565 reg_single_usage): Convert to varrays. All uses changed.
7566 (insert_loop_mem): Return a value.
7567 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
7568 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
7571 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
7574 * configure.in: Do not set thread_file to "irix" since no such
7577 * sparc.md (float abs/neg splits): Check reload_completed before
7578 calling alter_subreg.
7580 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7582 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
7584 * config/sparc/sparc.h: Declare it.
7585 * config/sparc/sparc.md (float abs/neg splits): Use it.
7586 (all other splits): Handle SUBREGs properly where necessary.
7587 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
7589 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
7591 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
7592 an insn on the unfilled_slots_list that has no delay slots.
7593 (fill_eager_delay_slots): Similarly.
7595 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
7597 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
7598 as an ordinary operand.
7600 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
7602 * tree.c (valid_machine_attribute): Don't apply attributes to both
7605 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
7607 * reload.c (operands_match_p): Handle rtvecs.
7609 * i386.c (legitimate_pic_address_disp_p): New.
7610 (legitimate_address_p): Use it.
7611 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
7612 Handle constant pool symbols just like statics.
7613 (emit_pic_move): Use Pmode not SImode for clarity.
7614 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
7615 [UNSPEC]: New, handling what we killed above.
7616 [PLUS]: Detect and abort on invalid symbol arithmetic.
7617 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
7619 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
7621 * alias.c: Include output.h.
7622 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
7623 different if we're in a varargs function.
7624 * Makefile.in (alias.o): Depend on output.h
7626 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7628 * sh.h (GIV_SORT_CRITERION): Delete.
7630 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
7632 * regclass.c (regclass): Use xmalloc/free instead of alloca.
7633 * stupid.c (stupid_life_analysis): Ditto.
7634 * reload1.c (reload): Ditto.
7636 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7638 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
7639 arith_double_4096_operand, arith_double_add_operand): New
7641 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
7642 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
7643 them to transform add/sub 4096 into add/sub -4096.
7645 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7647 * loop.c (scan_loop): Allocate some slop to handle pseudos
7648 generated by move_movables.
7649 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
7652 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
7654 * tree.def (DECL_RESULT): Correct documentation.
7656 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7658 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
7659 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
7660 conflicts will all RELOAD_FOR_OUTPUT reloads.
7662 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
7663 loads the function result, substitute with a USE.
7665 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7667 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
7668 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
7669 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
7670 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
7671 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
7672 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
7674 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
7675 'o' to 'm' for GPR variant constraints.
7677 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
7679 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
7681 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
7683 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
7684 when the source and destination overlap.
7686 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
7687 clash with global type.
7689 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
7691 * fixinc.irix: Add curses.h handling from fixinc.wrap.
7693 * c-common.c (combine_strings): Also set TREE_READONLY.
7694 Change warn_write_strings to flag_const_strings.
7695 * c-decl.c, c-tree.h: Likewise.
7697 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7699 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
7700 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
7701 sequence, use SET/IOR instead so CSE can see it.
7702 * config/sparc/sparc.md (movhi_const64_special,
7703 movsi_const64_special): New patterns necessitated by that change.
7704 (movhi_high): Remove.
7705 (movhi_lo_sum): Change to match an IOR.
7706 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
7707 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
7708 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
7709 (movdf splits): Allow when not V9 or when not ARCH64 and integer
7710 registers are involved.
7711 (snesi_zero_extend split): Remove reload_completed test.
7712 (unnamed plus and minus zero_extend sidi splits): Add it.
7714 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
7716 * extend.texi: Remove description of extension to explicit
7717 instantiation that is now endorsed by standard C++.
7719 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7721 * config/arc/arc.c (arc_initialize_pic): Remove.
7722 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
7723 nothing on any platform and is invoked by no-one, it does not even
7724 appear in the documentation.
7725 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
7726 * config/sparc/sparc.c (initialize_pic): Likewise.
7727 (find_addr_reg): Remove this as well, no longer referenced after
7730 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
7732 * recog.c (validate_replace_rtx_group): New function.
7733 * recog.h (validate_replace_rtx_group): Declare it.
7734 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
7735 the entire group of substitutions.
7737 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
7739 * loop.c (load_mems): Fix initializers.
7741 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7743 * config/sparc/sparc.md (TFmode splits): Handle destination
7744 registers being referenced in the address correctly.
7746 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
7747 TREE_UNSIGNED, when bitsize of type's mode is larger than
7748 HOST_BITS_PER_WIDE_INT.
7750 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7752 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
7753 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
7754 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
7756 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
7759 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
7761 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
7762 * h8300.h (TINY_DATA_NAME_P): Likewise.
7763 (STRIP_NAME_ENCODING): Handle '&'.
7765 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
7766 register (it could be accessed via an outer SUBREG).
7767 (REG_OK_FOR_BASE_P): Likewwise.
7768 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
7770 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
7773 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
7775 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7777 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
7778 must be offsettable so the splits can be made.
7780 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
7782 * config/i386/winnt.c: Include system.h, not stdio.h to get
7783 sys/param.h pulled in before rtl.h in case the system defines MIN
7786 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
7788 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
7790 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
7792 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
7794 * cpplib.c (cpp_define): Handle macros with parameters.
7796 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7798 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
7799 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
7800 and DImode 64-bit. Use llong for minimal-toc SFmode and
7801 SYMBOL_REF / LABEL_REF 64-bit.
7802 (output_function_profiler): Use llong for profiler label and ld to
7803 load 64-bit label address.
7805 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
7807 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
7810 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
7812 * version.c: Bump for snapshot.
7814 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
7816 * version.c: Bump for snapshot.
7818 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
7820 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
7822 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
7824 * tm.texi (Misc): Fix typo "teh".
7826 * tm.texi (PIC): Fix typo "PPIC".
7828 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
7829 effect when -O2 and higher.
7830 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
7832 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
7834 * regclass.c: Changed register set documentation to be consistent
7837 * final.c (final_start_function) Removed redundant test for
7840 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
7842 * rtl.h (rtx_function): New type.
7843 (for_each_rtx): New function.
7844 * rtlanal.c (for_each_rtx): Define it.
7846 * recog.c (change_t): New type.
7847 (change_objects, change_old_codes, change_locs, change_olds):
7849 (changes): New variable.
7850 (validate_change): Dynamically allocate room for more changes, if
7851 necessary. Uses changes array instead of change_objects, etc.
7852 (apply_change_group): Use changes array instead of
7853 change_objects, etc.
7855 * loop.c (loop_mem_info): New type.
7856 (loop_mems): New variable.
7857 (loop_mems_idx): Likewise.
7858 (looop_mems_allocated): Likewise.
7859 (scan_loop): Remove nregs parameter.
7860 (next_insn_in_loop): New function.
7861 (load_mems_and_recount_loop_regs_set): Likewise.
7862 (load_mems): Likewise.
7863 (insert_loop_mem): Likewise.
7864 (replace_loop_mem): Likewise.
7865 (replace_label): Likewise.
7866 (INSN_IN_RANGE_P): New macro.
7867 (loop_optimize): Don't pass max_reg_num() to scan_loop.
7868 (scan_loop): Remove nregs parameter, compute it after any new
7869 registers are created by load_mems. Use INSN_IN_RANGE_P and
7870 next_insn_in_loop rather than expanding them inline. Call
7871 load_mems to load memory into pseudos, if appropriate.
7872 (prescan_loop): Figure out whether or not there are jumps from the
7873 loop to targets other than the label immediately following the
7874 loop. Call insert_loop_mem to notice all the MEMs used in the
7875 loop, if it could be safe to pull MEMs into REGs for the duration
7877 (strength_reduce): Use next_insn_in_loop. Tweak comments.
7879 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
7881 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
7883 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7885 * config/sparc/sparc.c (finalize_pic): Check for the correct
7886 nonlocal_goto_receiver UNSPEC number.
7887 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
7888 making note of this dependency existing in sparc.c
7889 (negtf2_notv9 split): Give NEG SFmode.
7890 (negsf2): Fix insn output string.
7892 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
7894 * c-common.c (decl_attributes): Issue an error if the argument
7895 to alias is not a string.
7897 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
7899 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
7900 pending memory flush list.
7902 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
7904 (try_combine): Allow combining insns with REG_LIBCALL notes.
7906 * expr.c (emit_block_move): Do not call memcpy as a libcall
7907 instead build up a CALL_EXPR and call it like any other
7909 (clear_storage): Similarly for memset.
7911 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
7914 * Makefile.in (cplus-dem.o): Provide explicit rules for building
7917 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
7918 and REG_LIVE_LENGTH as successful substitutions are made.
7920 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7922 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
7923 statement after end of loop label.
7925 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7927 * config/sparc/sparc.c (ultra_types_avail): New variable.
7928 (ultra_build_types_avail): New function to record mask of insn
7929 types in ready list at this cycle.
7930 (ultrasparc_sched_reorder): Call it.
7931 (ultra_find_type): Use it to quicken the search. Also simplif
7932 dependency check, don't use rtx_equal_p because we know exactly
7933 what we are looking for.
7935 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
7937 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
7938 for architecture v4.
7940 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7942 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
7944 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
7945 movdf_const_intreg and helper splits): New patterns to move float
7946 constants into integer registers.
7947 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
7950 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
7953 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
7955 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
7957 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
7958 a BASE_REGS register is needed as an intermediate when copying
7959 a symbolic value into any register class other than BASE_REGS.
7961 * expr.c (move_by_pieces): No longer static. Remove prototype.
7962 * rtl.h (move_by_pieces): Add extern prototype.
7963 * mips.c (expand_block_move): Handle aligned straight line copy by
7964 calling move_by_pieces.
7966 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
7969 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
7971 * stmt.c (expand_end_loop): Tidy. Allow unconditional
7972 jumps out of the loop to be treated as part of the exit test.
7974 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7975 Jeff Law <law@cygnus.com>
7977 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
7978 * cplus-dem.c: Delete.
7980 * Makefile.in (fold-const.o): depend on $(RTL_H).
7982 * fold-const.c: Include rtl.h to get the prototype for
7983 `set_identifier_local_value'.
7985 * loop.c (express_from_1): Remove unused variable `tmp'.
7986 (combine_givs): cast the first argument of bzero to char *.
7988 * toplev.c (display_help): Remove unused variable `looking_for_start'.
7990 * c-decl.c (init_decl_processing): Remove unneeded &.
7992 * alpha.h (alpha_initialize_trampoline): Provide prototype.
7994 * except.c (set_exception_lang_code, set_exception_version_code):
7995 Change parameter from `short' to `int' to avoid using a gcc
7998 * except.h (set_exception_lang_code, set_exception_version_code):
7999 Likewise for prototypes.
8001 * flow.c (count_reg_references): Remove unused variables `regno'
8004 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
8006 * prefix.c (translate_name): Cast the result of `alloca'.
8008 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
8010 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
8012 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
8014 (valid_dbcc_comparison_p): Mark mode argument as unused.
8015 (symbolic_operand): Likewise.
8016 (legitimize_pic_address): Likewise.
8017 (const_uint32_operand): Likewise.
8018 (const_sint32_operand): Likewise.
8019 * sched.c [!INSN_SCHEDULING]: Define only dummy function
8020 schedule_insns and comment out rest of file.
8022 * m68k.c (output_move_simode_const): Use subl to move a zero into an
8024 (output_move_[hq]imode): Likewise.
8026 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
8028 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
8029 * invoke.texi: Corresponding changes.
8031 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
8033 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
8035 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8037 * config/sparc/sparc.c (ultra_code_from_mask,
8038 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
8039 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
8040 ultrasparc_sched_init, ultrasparc_variable_issue,
8041 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
8042 functions to describe UltraSPARC pipeline exactly to Haifa.
8043 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
8044 as there is nothing the scheduler can do about it. Indicate that
8045 REG_DEP_OUTPUT's collide. Fixup formatting.
8046 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
8047 divide costs on Ultra for DImode.
8048 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
8050 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
8051 ieuN and add call_no_delay_slot to type list.
8052 (cti function unit): New unit for branches on UltraSPARC.
8053 (subx/addx insns): Set type to misc.
8054 (sidi zero/sign extension insns on arch64): Set type to shift.
8055 (sign_extendhidi2_insn): Set type to sload.
8057 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
8059 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
8060 (output_epilog): Use if != 0 for offset.
8061 (rs6000_fatal_bad_address): Prepare for Intl.
8062 * rs6000.h (rs6000_fatal_bad_address): Declare.
8063 * rs6000.md (movsfcc, movdfcc): Use else if.
8064 (elf_high): Use {liu|lis}.
8065 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
8066 (movsi): Use rs6000_fatal_bad_address.
8068 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
8070 * reload.c (find_equiv_reg): Reject equivalences separated
8071 by a volatile instruction.
8073 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8075 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
8077 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
8079 * alpha.md (movsicc): Fix mode mismatch.
8081 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
8083 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
8085 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
8087 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8089 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
8090 write-only modifier from operand 1 constraint.
8092 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8094 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
8095 emitting a XOR of -1 at the end, emit a NOT instead for combine's
8097 (sparc_emit_set_const64): Likewise, also when computing trailing
8098 bits do not negate low_bits and make fast_int an int.
8100 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
8102 * loop.c (add_label_notes): Do not ignore references to labels
8103 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
8104 * gcse.c (add_label_notes): Similarly.
8106 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
8108 * m68k.md (adddi_dilshr32): One of the operands must be a register.
8109 (adddi_dishl32): Similarly.
8111 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
8113 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
8114 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
8115 * cse.c (cse_basic_block): Add parens to shut up warnings.
8117 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8119 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
8120 sparc_emit_set_const64_longway, const64_is_2insns,
8121 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
8122 in 64-bit constant formation.
8123 * config/sparc/sparc.md (snesi_zero_extend split): Generate
8124 rtl for addx not subx.
8125 (define_insn movdi_const64_special): Make available even when
8126 HOST_BITS_PER_WIDE_INT is not 64.
8127 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
8128 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
8129 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
8130 instances of operand 1 inside a QI subreg.
8131 (xordi3_sp64_dbl): Remove '%' constraint for op1.
8132 (one_cmpldi2_sp64): Fix output string.
8133 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
8135 (unnamed arch64 ashift DI): Truncate shift count if greater than
8138 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8140 * expr.c (store_expr): Don't optimize away load-store pair
8141 when either source or destination have a side effect.
8143 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
8145 * genrecog.c (add_to_sequence): Fatal error if the modes of the
8146 operands of SET are incompatible.
8148 * alpha.md: Fix max and min patterns so modes of SET operands match.
8150 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
8152 * configure.in: Avoid [[ by using test and changequote.
8153 * configure: Rebuild.
8155 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8157 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
8159 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
8160 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
8161 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
8162 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
8163 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
8164 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
8165 Fix mismatching modes in SET operands.
8166 (conditional move patterns): Fix formatting.
8167 (unnamed subx arch64 pattern): Remove duplicate insn.
8169 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8171 * config/sparc/sparc.c (const64_operand, const64_high_operand):
8172 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
8173 (input_operand): Fixup test for what we accept for constant
8175 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
8177 (safe_constDI): Remove.
8178 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
8179 gen_safe_XOR64): New functions.
8180 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
8181 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
8183 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
8184 available when HOST_BITS_PER_WIDE_INT is not 64.
8185 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
8186 move before movdi_insn_sp64 pattern.
8187 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
8188 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
8189 symbolic_operand as predicate for second operand.
8190 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
8191 expander): Give set VOIDmode.
8193 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
8195 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
8197 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
8199 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
8201 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
8203 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
8205 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
8207 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
8209 * install.texi: Various SCO OpenServer tweaks.
8211 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
8213 * reload1.c (eliminate_regs_in_insn): Handle another case when
8214 eliminating the frame pointer to the hard frame pointer. Add
8215 missing ep->to_rtx check to one existing case.
8217 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
8219 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
8221 * tree.h: De-conditionalize init_priority code.
8223 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
8224 * collect2.c (NM_FLAGS): Change from -p to -n.
8226 * configure.in: Turn on collect2 for mipstx39-elf.
8227 Handle use_collect2=no properly.
8229 * c-common.c: De-conditionalize init_priority code.
8230 * collect2.c (extract_init_priority, sort_ids): New fns.
8231 (main): Call sort_ids.
8232 Move sequence_number to file scope.
8234 * configure.in: Handle --enable-init-priority.
8235 * c-common.c (attrs): Add A_INIT_PRIORITY.
8236 (init_attributes, decl_attributes): Likewise.
8237 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
8238 * tree.c (get_file_function_name_long): Split out...
8239 (get_file_function_name): ...from here.
8241 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
8243 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
8246 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
8248 * toplev.c (display_help): Add braces to shut up warnings.
8249 * tree.c (simple_cst_equal): Likewise.
8251 * fold-const.c (non_lvalue): Don't deal with null pointer
8253 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8255 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
8256 of any size to a pointer.
8258 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
8260 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
8262 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
8264 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
8265 which will be saved.
8266 * mn10300.md (prologue insn): Only save registers which need saving.
8267 (epilogue insn): Similarly.
8269 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
8272 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
8274 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
8275 VAR_DECL's in gp addressable sections.
8277 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
8279 * sparc.c: Change return <exp> to <exp>; return; in functions
8281 * sparc.md: Add empty semicolon statement after final label in
8284 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8286 * config/sparc/sparc.md (define_insn addx_extend): Rename to
8287 addx_extend_sp64, only allow when TARGET_ARCH64.
8288 (define_insn addx_extend_sp32 and split): Version that works when
8290 (define_insn subx_extend): Likewise.
8291 (define_split adddi3 and subdi3 with zero extension): Fixup and
8292 correct bugs when not TARGET_ARCH64.
8294 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
8296 * except.c (set_exception_lang_code, set_exception_version_code):
8297 Use prototype-style definition if __STDC__, to match declaration
8300 * genemit.c: Change FAIL and DONE macros not to use loops.
8302 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
8304 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
8305 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
8307 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
8309 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
8311 * README.g77: Update from Craig.
8313 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8315 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
8317 (safe_constDI sparc_emit_set_const64_quick1,
8318 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
8319 analyze_64bit_constant, const64_is_2insns,
8320 create_simple_focus_bits): Fix some bugs when compiled on real
8322 (function_arg_record_value_3, function_arg_record_value_2,
8323 function_arg_record_value): Add fully prototyped forward decls.
8324 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
8325 to cmpsi_insn and use on both 64 and 32 bit targets.
8326 (define_insn cmpsi_insn_sp64): Remove.
8327 (define_expand zero_extendsidi2): Allow for 32-bit target too.
8328 (define_insn zero_extendsidi2_insn): Rename to
8329 zero_extendsidi2_insn_sp64.
8330 (define_insn zero_extendsidi2_insn_sp32): New pattern and
8331 assosciated forced split for it.
8333 * config/sparc/sparc.c (const64_operand, const64_high_operand):
8335 * config/sparc/sparc.h: Declare them.
8336 (PREDICATE_CODES): Add them.
8337 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
8338 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
8340 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
8342 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
8343 in v9 case as the latter makes the Solaris assembler crash.
8345 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8347 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
8348 for TFmode when !v9. We require offsettable memory addresses.
8349 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
8350 DFmode register number conversions.
8351 * config/sparc/sparc.md (define_split DFmode moves): If register
8352 is a SUBREG do alter_subreg on it before using.
8353 (define_expand movtf): Fixup comment about alignment on v9.
8354 (define_split TFmode moves): Don't use gen_{high,low}part, create
8355 explicit SUBREGs instead.
8357 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
8359 * Makefile.in (mbchar.o): Depend on mbchar.c.
8361 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8362 Richard Henderson <rth@cygnus.com>
8364 Rewrite Sparc backend for better code generation and
8365 improved sparc64 support.
8366 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
8368 * config/sparc/sysv4.h: Likewise.
8369 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
8370 move_operand, v8plus_regcmp_op, emit_move_sequence,
8371 singlemove_string, doublemove_string, mem_aligned_8,
8372 output_move_double, output_move_quad, output_fp_move_double,
8373 move_quad_direction, output_fp_move_quad, output_scc_insn):
8375 (small_int_or_double): New predicate.
8376 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
8377 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
8378 old pic_{sethi,lo_sum}_si patterns.
8379 (mem_min_alignment): New generic function to replace
8380 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
8381 available and can test for arbitrary alignments. All callers
8383 (save_regs, restore_regs, build_big_number,
8384 output_function_prologue, output_cbranch, output_return,
8385 sparc_flat_save_restore, sparc_flat_output_function_prologue,
8386 sparc_flat_output_function_epilogue): Prettify
8388 (output_function_epilogue): Likewise and add code to output
8389 deferred case vectors.
8390 (output_v9branch): Likewise, add new arg INSN and use it to tack
8391 on branch prediction settings. All callers changed.
8392 (print_operand): Likewise and output %l44 for LO_SUMs when
8394 (sparc_splitdi_legitimate): New function to make sure DImode
8395 splits can be run properly when !arch64.
8396 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
8397 Reformat example code in comments.
8398 (set_extends): Remove UNSPEC/v8plus_clear_high case.
8399 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
8400 of deferred case vectors we need to output.
8401 (sparc_defer_case_vector): Record a case vector.
8402 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
8403 sparc_output_deferred_case_vectors): New functions to output them.
8404 (sparc_emit_set_const32): New function to form 32-bit constants in
8405 registers when that requires more than one instruction.
8406 (safe_constDI, sparc_emit_set_const64_quick1,
8407 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
8408 analyze_64bit_constant, const64_is_2insns,
8409 create_simple_focus_bits, sparc_emit_set_const64): New functions
8410 which do the same for 64-bit constants when arch64.
8411 (sparc_emit_set_symbolic_const64): New function to emit address
8412 loading for all code models on v9.
8413 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
8414 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
8415 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
8416 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
8417 inaccuracies in comments, add symbolic and text_segment operands
8418 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
8419 GENERAL_REGS in these cases as a temp REG is needed to load these
8420 addresses into a register properly.
8421 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
8423 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
8424 quads are guarenteed to have 16-byte alignment.
8425 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
8426 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
8427 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
8428 deferred case vector implementation.
8429 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
8430 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
8431 Generate "internal label - label" instead of "label - 1b".
8432 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
8433 (PREDICATE_CODES): Remove sparc_operand, move_operand,
8434 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
8436 (doublemove_string, output_block_move, output_fp_move_double,
8437 output_fp_move_quad, output_move_double, output_move_quad,
8438 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
8439 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
8440 (sparc_emit_set_const32, sparc_emit_set_const64,
8441 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
8442 mem_min_alignment, small_int_or_double): Add externs.
8443 * config/sparc/sparc.md: Document the many uses of UNSPEC and
8444 UNSPEC_VOLATILE in this backend.
8445 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
8446 unary to types which execute in it.
8447 (define_function_unit ieu_shift): Rename to ieu0.
8448 (define_function_unit ieu1): New, executes compare, call, and
8449 uncond_branch type insns.
8450 (define_function_units for type fdivs, fdivd, fsqrt): These
8451 execute in the fpu multiply unit not the adder on UltraSparc.
8452 (define_expand cmpdi): Disallow TARGET_V8PLUS.
8453 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
8454 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
8455 allows the arith_double_operand predicate and rHI constraint when
8457 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
8458 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
8459 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
8460 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
8461 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
8462 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
8463 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
8464 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
8465 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
8466 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
8467 sign_extendqihi2_insn, sign_extendqisi2_insn,
8468 sign_extendqidi2_insn, sign_extendhidi2_insn,
8469 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
8470 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
8471 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
8472 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
8473 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
8474 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
8475 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
8476 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
8477 smulsi3_highpart_v8plus, unnamed subreg mult,
8478 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
8479 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
8480 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
8481 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
8482 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
8483 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
8484 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
8485 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
8486 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
8487 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
8488 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
8489 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
8490 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
8491 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
8492 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
8493 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
8494 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
8495 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
8496 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
8497 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
8498 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
8499 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
8500 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
8501 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
8502 call_address_untyped_struct_value_sp32,
8503 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
8504 call_value_symbolic_sp32, call_value_address_sp64,
8505 call_value_symbolic_sp64, branch_sp32, branch_sp64,
8506 flush_register_windows, goto_handler_and_restore,
8507 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
8508 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
8509 return_addsi, return_di, return_adddi, return_sf, all call+jump
8510 peepholes, trap, unnamed trap insns): Prettify output strings.
8511 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
8512 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
8513 Likewise and force + implement splits for integer cases.
8514 (define_insn return_sf_no_fpu): Likewise and allow to match when
8515 no-fpu because of our subreg SFmode splits.
8516 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
8517 zero_extendqidi2_insn, zero_extendhidi2_insn,
8518 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
8519 input_operand for second operand.
8520 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
8521 reg_or_0_operand for operand 2 so new splits can use it.
8522 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
8523 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
8525 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
8526 CONST_DOUBLEs for operand 2.
8527 (define_insn move_label_di): Likewise and label distance
8528 optimization because it no longer works with new deferred case
8529 vector scheme. To be revisited.
8530 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
8531 and allow reg_or_0_operand and J constraint for second operand.
8532 (define_insn jump): Set branch predict taken on V9.
8533 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
8534 new deferred case vector scheme.
8535 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
8536 (define_insn negdi2_sp32): Force + implement splits.
8537 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
8538 one_cmplsi2_not_liveg0 respectively, and create expander of original
8539 names which emit special rtl for TARGET_LIVE_G0.
8540 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
8541 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
8542 gen_compare_reg, FAIL instead.
8543 (define_insn sgtu, sleu): Likewise and check gen_s*() return
8544 values when trying to reverse condition codes, if they FAIL then
8546 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
8547 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
8548 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
8549 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
8550 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
8551 set output string to # to indicate they are mandatory splits.
8552 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
8553 pic_sethi_di, move_pic_label_si): Remove.
8554 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
8555 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
8557 (define_expand movsi_pic_label_ref, define_insn
8558 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
8559 expander and insns to handle PIC label references and deferred
8561 (define_insn get_pc_via_rdpc): Comment out as it is no longer
8563 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
8564 Rewrite to not use emit_move_sequence, make use of new constant
8565 formation code, and new splits for all multi-insn cases.
8566 (define_insn movqi_insn): Remove sethi case, it can never happen.
8567 Use reg_or_zero_operand instead of const0_rtx explicit test,
8568 use input_operand instead of move_operand for source, and use
8569 general_operand now for dest.
8570 (define_insn movhi_insn): Similar but leave sethi case.
8571 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
8572 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
8573 movhi_lo_sum respectively, prettify output string.
8574 (define_insn movsi_zero_liveg0): New pattern to put zero into a
8575 register when needed on TARGET_LIVE_G0.
8576 (define_insn movsi_insn): Use general_operand and input_operand
8577 for dest and src respectively. Simplify applicability test.
8578 Prettify output strings, and add clr alternative for J
8580 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
8581 deprecated std and reg-reg DI moves): Remove and...
8582 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
8583 implementation which uses forced splits for all non-single insn
8585 (define_split DI move cases on !arch64): New splits to handle all
8586 situations of 64-bit double register DImode on 32bit, and
8587 unaligned registers and memory addresses for all subtargets.
8588 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
8590 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
8591 input_operand for dest and src respectively, prettify output
8593 (define_insn movdf_insn, movdf_no_e_insn, store_df,
8594 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
8596 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
8597 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
8598 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
8599 movtf_no_e_insn_sp64) Replace with new
8600 implementation which uses forced splits for all non-single insn
8602 (define_split DF move cases): New splits in similar vein to DI
8604 (define_insn sethi_di_medlow, sethi_di_medium_pic,
8605 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
8606 movdi_sp64_insn): Remove old v9 code model and constant loading
8608 (define_insn pic_lo_sum_di, pic_sethi_di,
8609 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
8610 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
8611 embmedany_sethi, embmedany_losum, embmedany_brsum,
8612 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
8613 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
8614 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
8615 scheme, using unspecs, secondary reloads, and one to one sparc
8616 insn to rtl insn mapping for better scheduling and code gen.
8617 (define_expand reload_indi, reload_outdi): Reload helpers for
8618 MEDANY and EMBMEDANY symbol address loading cases which require a
8620 (define_expand movsicc): Remove v8plus_regcmp cases.
8621 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
8622 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
8623 cmp_diqi_trunc_set): New patterns used by some of the new scc
8625 (define_insn xordi3_sp64_dbl): New pattern used for constant
8626 formation when crossing from 32-bit targets.
8627 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
8629 (define_insn addx, subx): Make visible and prettify.
8630 (define_insn adddi3_insn_sp32): Likewise and force split.
8631 (define_insn addx_extend, subx_extend, unnamed): New patterns for
8632 64bit scc split usage.
8633 (define_insn unnamed plusDI zero_extend, unnamed minusDI
8634 zero_extend, subdi3): Force and implement splits.
8636 * final.c (final_scan_insn): Don't output labels if target
8637 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
8640 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
8641 don't forget to walk inside SEQUENCESs too as these are what the
8642 delay slot scheduler will create.
8644 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
8646 * alpha.md (extxl+1,+2): New patterns to work around
8649 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
8651 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
8652 caused bad assembly code to be generated.
8654 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
8656 * netbsd.h: Fix typo.
8658 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
8660 * config.sub: Fix typo.
8662 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
8664 * invoke.texi (Environment Variables): Typo: Change "ascpects"
8666 (Running Protoize): Typo: Change "ther" into "other".
8668 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
8670 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
8671 * m68k/netbsd.h: Likewise.
8672 * ns32k/netbsd.h: Likewise.
8673 * sparc/netbsd.h: Likewise.
8675 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
8677 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
8678 * ginclude/va-clipper.h (va_list): Likewise.
8680 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
8682 * rs6000.c (rs6000_override_options): If big endian and -Os, use
8683 load/store multiple instructions unless user overrides.
8685 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
8687 * ns32k/netbsd.h: Fix typo.
8689 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
8691 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
8692 labels with .debugsym if no parallel insns.
8694 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
8696 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
8697 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
8699 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
8701 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
8702 (AR_FOR_TARGET): Define.
8704 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
8706 * dyn-string.h: New file.
8707 * dyn-string.c: Likewise.
8708 * Makefile.in (OBJS): Add dyn-string.o.
8709 (dwarf2out.o): Add dyn-string.h dependency.
8710 (dyn-string.o): List dependencies.
8711 * dwarf2out.c: Include dyn-string.h.
8712 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
8713 (addr_const_to_string): Take a dyn_string_t, not a char* as a
8714 prototype. Use dyn_string_append rather than strcat, throughout.
8715 (addr_to_string): Use dyn_string_t.
8717 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
8719 Function entry/exit profiling instrumentation:
8720 * expr.h (profile_function_entry_libfunc,
8721 profile_function_exit_libfunc): Declare new variables.
8722 * optabs.c: Define them here.
8723 (init_optabs): Initialize them.
8724 * tree.h (struct tree_decl): New flag
8725 no_instrument_function_entry_exit.
8726 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
8727 * c-decl.c (duplicate_decls): Merge it.
8728 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
8729 (init_attributes): Use it for "no_instrument_function".
8730 (decl_attributes): Handle it, for functions that have not yet been
8731 compiled. Set decl flag.
8732 * flags.h (flag_instrument_function_entry_exit): Declare new
8734 * toplev.c (flag_instrument_function_entry_exit): Define it here.
8735 (f_options): New option "instrument-functions".
8736 * function.h (struct function): New field instrument_entry_exit.
8737 * function.c (current_function_instrument_entry_exit): New
8739 (push_function_context_to, pop_function_context_from): Save and
8741 (expand_function_start): Set current_ variable, maybe emit return
8742 label and entry profile call.
8743 (expand_function_end): Maybe emit exit profile call.
8745 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
8747 * i386.md (movqi): When optimizing a load of (const_int 1) into a
8748 NON_QI_REG_P, pretend the register is SImode.
8750 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
8752 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
8753 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
8754 manufacturer id for ns32k.
8755 * configure: Regenerated.
8756 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
8757 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
8758 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
8759 * config/m68k/netbsd.h: Same.
8760 * config/ns32k/netbsd.h: Same.
8761 * config/sparc/netbsd.h: Same.
8763 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
8765 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
8766 or UNROLL_COMPLETELY loop that starts with a jump to its
8769 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
8771 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
8772 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
8773 (print_operand, case 'B'): Don't fall through.
8774 (print_operand, case 'S'): Correct mask begin/end computation.
8775 Use HOST_BITS_PER_WIDE_INT.
8776 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
8777 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
8778 * rs6000/aix41.h (CPP_PREDEFINES): Same.
8779 * rs6000/aix43.h (CPP_PREDEFINES): Same.
8781 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
8783 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
8784 constraint from second alternative.
8786 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8788 * configure.in: Fix --without/--disable cases for local-prefix,
8789 gxx-include-dir and checking.
8791 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8793 * configure.in (enable_haifa): Set by default for sparc64 too.
8796 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8798 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
8799 * i386/winnt.c (associated_type): New fn.
8800 (i386_pe_valid_type_attribute_p): New fn.
8801 (i386_pe_check_vtable_importexport): Remove.
8802 (i386_pe_dllexport_p): Use associated_type.
8803 (i386_pe_dllimport_p): Likewise.
8805 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
8806 * i386.c (i386_valid_type_attribute_p): Also accept
8807 attributes for METHOD_TYPEs.
8809 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
8811 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
8813 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
8815 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
8817 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
8818 them from generating a new base name for each occurence of
8821 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
8823 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
8825 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
8829 * cplus-dem.c (type_kind_t): New type.
8830 (demangle_template_value_parm): Add type_kind_t parameter. Rely
8831 on this paramter, rather than demangling the type again.
8832 (demangle_integral_value): Pass tk_integral.
8833 (demangle_template_: Pass the value returned from do_type.
8834 (do_type): Return a type_kind_t. Pass tk_integral to
8835 demangle_template_value_parm for array bounds.
8836 (demangle_fund_type): Likewise.
8838 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
8840 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
8843 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
8845 * pa.c (move_operand): Accept CONSTANT_P_RTX.
8847 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
8849 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
8851 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
8854 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
8856 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
8857 (DEBUGGER_ARG_OFFSET): Likewise.
8859 * mn10300.md (movsf): Remove last change. Not needed.
8861 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
8863 * c-lex.c (yylex): Fix boundary conditions in character literal and
8864 string literal loops.
8866 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
8868 * longlong.h (count_leading_zeros): Sparclite scan instruction was
8869 being invoked incorrectly.
8871 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
8872 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
8874 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
8875 * configure.in: Added i[34567]86-*-win32
8876 * config.sub: Ditto.
8877 * configure: Rebuilt.
8879 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
8881 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
8882 the frame pointer and compiling PIC code and reload has not completed.
8884 * i386.c (output_to_reg): Add code to emulate non-popping DImode
8887 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
8889 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
8891 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8893 * Makefile.in (install-info): Only try to update the info
8894 directory file if it exists in the first place.
8896 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
8898 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
8900 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
8902 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
8903 CONST_DOUBLE source.
8905 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
8907 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
8908 strings as the insertion of USER_LABEL_PREFIX.
8909 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
8911 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
8914 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
8916 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
8917 already defined type.
8919 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
8921 * expr.c (check_max_integer_computation_mode): Allow conversions
8922 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
8923 (expand_expr): Likewise.
8925 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8927 * expr.c (expand_expr): Expand RETURN_EXPR.
8929 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
8931 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
8933 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
8935 * dwarf2out.c (output_aranges): Call stripattributes
8936 for TEXT_SECTION references.
8937 (output_line_info): Likewise.
8939 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8941 * profile.c (branch_prob): Call allocate_reg_info after outputting
8942 profile rtl in instrument_arcs.
8944 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
8946 * fixinc.irix (math.h): Install wrapper instead of copying.
8948 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8950 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
8951 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
8952 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
8953 lang_flag_0. Added documentation in the flag table.
8955 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
8957 * cccp.c (do_include): Fix vax c style include handling.
8959 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
8961 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
8963 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
8965 * fold-const.c (non_lvalue): Don't deal with null pointer
8967 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8969 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
8971 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
8972 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
8973 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
8974 (u_short_cint_operand): Same.
8975 (reg_or_cint_operand): Same.
8976 (logical_operand): Same.
8977 (input_operand): Same.
8978 (reg_or_short_operand): Use u_short_cint_operand.
8980 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
8982 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
8983 but keep the insns and splits. Adjust so when the ultimate destination
8984 is memory, use cvtql.
8986 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
8988 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
8990 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
8992 * gcc.c (do_spec): Call "error" not "warning".
8994 * configure.in: Fix minor problems with gas feature detection code.
8995 * configure: Rebuilt.
8997 * gcc.c (do_spec): Issue a warning for '%[]' usage.
9000 * gcc.c: Delete %[spec] support.
9001 (do_spec_1, case '('): Likewise.
9002 (do_spec_1, case '['): Call error.
9004 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
9006 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
9007 (CPP_SUBTARGET_SPEC): Default to empty string.
9008 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
9009 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
9010 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
9011 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
9013 * alpha/linux.h (CPP_PREDEFINES): Tidy.
9014 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
9015 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
9016 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
9017 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
9018 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
9019 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
9020 * alpha/vxworks.h: Likewise.
9022 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
9024 * mips.md (reload_outsi): Added missing REGNO call.
9025 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
9027 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
9028 another match_operator and compare the codes.
9030 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
9032 * MIPS multiply pattern fixes:
9033 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
9034 Add union classes for HI, LO, or HILO plus general registers.
9035 (GENERATE_MADD): Deleted.
9036 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
9037 Add TARGET_MAD to condition.
9038 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
9039 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
9040 "*d" for accumulator, to give preference to LO initially but not
9043 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
9045 * configure.in (enable_c_mbchar): New configure option.
9046 (extra_cpp_objs): Always available now.
9048 * cexp.y (mbchar.h): #include it.
9049 (yylex): Handle Multibyte characters in character literals.
9051 * cccp.c (mbchar.h): #include it.
9052 (main): Set character set based on LANG environment variable.
9053 (rescan): Handle multibyte characters in comments.
9054 (skip_if_group): See above.
9055 (validate_else): See above.
9056 (skip_to_end_of_comment): See above.
9057 (macarg1): See above.
9058 (discard_comments): See above.
9059 (rescan): Handle multibyte characters in string and character literals.
9060 (collect_expansion): See above.
9061 (skip_quoted_string): See above.
9062 (macroexpand): See above.
9063 (macarg1): See above.
9064 (discard_comments): See above.
9065 (change_newlines): See above.
9067 * c-lex.c (mbchar.h): #include it.
9068 (GET_ENVIRONMENT): New macro.
9069 (init_lex): Set character set based on LANG environment variable.
9070 (yylex): Handle multibyte characters in character literals.
9071 (yylex): Handle multibyte characters in string literals.
9073 * Makefile.in (mbchar.o): New target.
9074 (cccp$(exeext)): @extra_cpp_objs@ is always available.
9075 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
9077 * mbchar.[ch]: New files for multibyte character handling.
9079 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9081 * jump.c (jump_optimize): When simplifying noop moves and
9082 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
9083 the PUSHes to rewrite in second loop as we did in the first.
9085 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9087 * cplus-dem.c (demangle_nested_args): Make function definition
9088 static to match the prototype.
9090 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
9092 * alloca.c: Respect USE_C_ALLOCA.
9093 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
9094 * gengenrtl.c (xmalloc): Likewise.
9096 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
9098 * loop.h (struct induction): Add no_const_addval.
9099 * loop.c (the_movables, reg_address_cost): New variables.
9100 (init_loop): Init reg_address_cost.
9101 (loop_optimize): Call end_alias_analysis.
9102 (scan_loop): Init the_movables.
9103 (record_giv): Init induction->no_const_addval.
9104 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
9105 [REG]: Rearrange loop search test to catch more cases.
9106 (general_induction_var): Return success not benefit; take an extra
9107 argument for that. Change all callers.
9108 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
9109 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
9110 [default]: Search the_movables for additional combinations.
9111 (sge_plus_constant, sge_plus): New functions.
9112 (express_from_1): New function.
9113 (express_from): Always define. Rewrite using express_from_1.
9114 (combine_givs_p): Handle more cases. Ignore address cost.
9115 (cmp_combine_givs_stats): New function.
9116 (combine_givs_used_once, combine_givs_benefit_from): New functions.
9117 (combine_givs): Rewrite to do best-fit combination.
9119 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
9120 (fold): Do a complete (A*C)+(B*C) association check.
9122 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
9124 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
9126 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
9128 * mn10300.c (MODES_TIEABLE_P): Fix typo.
9130 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
9132 * tree.c (valid_machine_attribute): Only create a new type variant if
9133 there is a decl to use it.
9135 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
9137 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
9140 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
9142 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
9145 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
9147 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
9148 Simplify tests for clearing an address register.
9149 (expand_prologue): Corresponding changes.
9151 * mn10300.md (movXX patterns): Make sure the destination is an
9152 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
9153 (logical patterns): Split into expanders + patterns
9154 (zero and sign extension patterns): Similarly.
9155 (shift patterns): Similarly.
9157 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
9159 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
9160 for the sequence, recording base values.
9162 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
9164 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
9166 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
9168 * gcc.c: Remove ANSI-C ism from --help code.
9170 * toplev.c: Support --help with USE_CPPLIB.
9172 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
9174 * configure.in: Rework gas feature code to work with symlink based
9177 * extend.texi: Clarify some issues related to local variables
9178 assigned to explicit registers.
9180 * mn10300.md (mulsi): Turn into expander + pattern.
9182 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
9185 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
9187 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
9189 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
9191 * version.c: Bump again to distinguish mainline tree from the
9194 See ChangeLog.0 for earlier changes.
9197 add-log-time-format: current-time-string
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