1 Sun Feb 15 23:28:44 1998 Jeffrey A Law (law@cygnus.com)
3 * toplev.c (flag_schedule_reverse_before_reload): Delete variable.
4 (flag_schedule_reverse_after_reload): Likewise.
5 (f_options): Remove reverse scheduling support.
6 * flags.h (flag_schedule_reverse_before_reload): Delete declaration.
7 (flag_schedule_reverse_after_reload): Likewise.
8 * haifa-sched.c (rank_for_schedule): Remove support for reverse
11 Sun Feb 15 21:33:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13 * gcc.c: Get system includes, prototypes and macros via "system.h"
14 instead of doing it manually. Change all calls of the ctype
15 macros to custom versions defined in "system.h".
17 * system.h: Fix return type of bcmp prototype from `void' to `int'.
18 Make bcopy, bcmp and bzero prototypes explicitly `extern'.
19 Add a prototype for getenv.
21 Sun Feb 15 17:05:41 1998 Jim Wilson <wilson@cygnus.com>
23 * mips/mips.h (INITIAL_ELIMINATION_OFFSET): Readd Jun 6 change.
25 Sun Feb 15 15:23:15 1998 John Carr <jfc@mit.edu>
27 * alias.c: Include <stdlib.h> and <string.h>.
28 (init_alias_analysis): Pass NULL_RTX instead of 0 to record_set.
30 Sat Feb 14 11:23:09 PST 1998 Jeff Law (law@cygnus.com)
32 * version.c: Bump for snapshot.
34 Sat Feb 14 05:08:21 1998 Richard Earnshaw (rearnsha@arm.com)
36 * arm.md (movsfcc): Also validate operands[3] when compiling hard
38 (movdfcc): Only accept fpu_add_operand for operands[3].
40 * arm/t-semi (STMP_FIXPROTO): Define to nothing.
41 * arm/t-semiaof (STMP_FIXPROTO): Likewise.
43 Sat Feb 14 02:02:41 1998 Jeffrey A Law (law@cygnus.com)
45 * varasm.c (output_constant_pool): Bring back 'done' label inside
46 an appropriate #ifdef.
48 * bitmap.c (bitmap_element_allocate): Wrap variable 'i' in an
50 (bitmap_copy, bitmap_operation): Likewise.
51 * combine.c (combinable_i3pat): Similarly for 'src'.
52 * function.c (fixup_var_refs_1): Similarly for 'outerdest'.
53 (locate_and_pad_parm): Similarly for 'reg_parm_stack_space'.
54 * regclass.c (copy_cost): Similarly for 'secondary_class'.
55 * reload.c (make_memloc): Simliarly for 'i'.
56 (find_reloads_address_1): Similarly for 'link'.
57 * reload1.c (reload): Similarly for 'previous_frame_pointer_needed'.
58 (emit_reload_insns): Similarly for 'second_reloadreg'.
59 * unroll.c (iteration_info): Similarly for 'v'.
61 * caller-save.c (insert_save_restore): Remove unused variable 'i'.
62 * calls.c (expand_call): Similarly for 'i'.
63 (emit_library_call, emit_library_call_value): Similarly for 'mode'.
64 * fold-const.c (strip_compund_expr): Similarly for 'type'.
65 * function.c (fixup_var_refs_1): Similarly for 'width'.
66 (fixup_memory_subreg): Similarly for 'saved'.
67 (locate_and_pad_parm): Similarly for 'boundary_in_bytes.'
68 (setjmp_protect): Similarly for 'sub'.
69 (thread_prologue_and_epilogue_insns): Similarly for 'insn'.
70 * loop.c (record_giv): Similarly for 'p'.
71 (combine_givs): Similarly for 'temp_iv'.
72 (indirect_jump_in_function_p): Similarly for 'is_indirect_jump'.
73 * recog.c (validate_replace_rtx_1): Similarly for 'width'.
74 * tree.c (get_set_constructor_bytes): Similarly for 'vals'.
75 * unroll.c (unroll_loop): Similarly for 'copy'.
76 (iteration_info): Similarly for 'b'.
77 * varasm.c (assemble_string): Similarly for 'i'.
78 * i386.h (LEGITIMIZE_ADDRESS): Similarly for 'orig_x'.
80 Fri Feb 13 14:38:34 1998 Jim Wilson <wilson@cygnus.com>
82 * dwarf2out.c (decl_scope_node): New type.
83 (decl_scope_table): Change type to use it.
84 (decl_scope_table_allocated, decl_scope_depth): Change type to int.
85 (push_decl_scope): Use new type. New locals containing_scope, i.
86 Add code to handle setting previous field.
87 (scope_die_for): Change type of local i to int. Add code to use
89 (dwarf2out_init): Use new type.
91 1998-02-13 Jason Merrill <jason@yorick.cygnus.com>
93 * except.c (emit_throw): Lose throw_used.
95 Fri Feb 13 20:36:05 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
97 * sched.c (update_flow_info, REG_WAS_0): Ignore if setting insn
99 * haifa-sched.c (update_flow_info, REG_WAS_0): Likewise.
101 Fri Feb 13 12:18:40 1998 Jeffrey A Law (law@cygnus.com)
103 * genextract.c (main): Fix typo.
105 Fri Feb 13 08:41:49 1998 Robert Lipe <robertl@dgii.com>
107 * c-lang.c (finish_file): Bracket declaration of static_ctors,
110 * calls.c (expand_call): Bracket declaration of 'rtx_before_call',
111 'old_stack_arg_under_construction'
112 (emit_library_call): Bracket declaration of 'upper_bound',
113 'lower_bound', 'i', 'reg_parm_stack_space'
114 (emit_library_call_value): Likewise.
117 * collect2.c: include <unistd.h> when appropriate.
118 Bracket declaration of 'exportf' and 'full_real_ld_suffix'.
120 * emit-rtl.c (prev_cc0_setter): Remove unused variable 'link'.
122 * explow.c (plus_constant_for_output_wide): Remove unused variable
124 (memory_address): Remove unused variable 'orig_x'.
126 * genattrtab.c (make_canonical): Remove unreferenced label 'cond:'.
127 (write_const_num_delay_slots): Remove unused variable 'i'.
129 * genopinit.c (main): Remove unused variables 'dummy', 'insn_ptr'.
130 (gen_insn): Remove unused variable 'obstack_ptr'.
132 * libgcc2.c (__bb_exit_func): Remove unused variables 'ret',
134 (__bb_exit_trace_func): Remove unused variable 'e'.
136 * optabs.c (expand_binop): remove unused variables 'lhs', 'rhs',
138 (expand_unop): Remove unused variable 'funexp'.
139 (expand_complex_abs): Remove unused variable 'funexp'.
140 (init_optabs): Bracket declaration of 'j'.
141 (init_complex_libfuncs): Deleted. Dead static function.
143 * profile.c (branch_prob): Remove unused variables 'insn', 'dest'.
145 * reg-stack.c: Fix typo in proto for 'get_asm_operand_lengths'
146 (reg_to_stack): 'initialized', 'before_function_beg'
147 explictly type as ints instead of defaulting.
148 (emit_swap_insn): Remove unused variable 'i2'.
149 (compare_for_stack_reg): Remove unused variable 'src_note'.
151 * rtlanal.c (computed_jump_p): Remove unused variable 'computed_jump'.
153 * sched.c (actual_hazard): Bracket declaration of 'this_cost'.
155 * stmt.c (add_case_node): Add parens for assignment used as truth.
156 (all_cases_count): Remove unused variable 'count_high'.
157 (mark_seen_cases): Remove unused variable 'i'.
158 (check_for_full_enumeration_handling): Remove unused variable 't'.
159 Bracket declaration of 'all_values', 'l'.
161 * tlink.c: Include <stdlib.h>, <unistd.h>, <string.h>/<strings.h>.
163 * varasm.c (assemble_string): Remove unused variable 'i'.
164 (immed_double_const): Remove unused variable 'in_current_obstack'.
165 (immed_real_const_1): Likewise.
166 (output_constant_pool): Remove unreferenced label 'done'.
167 (output_constant): Remove unused variable 'x'.
169 * i386/i386.h (ENCODE_SECTION_INFO): TREE_PUBLIC is an int, not
172 * i386/sco5.h (ASM_OUTPUT_ASCII): Add parens for assignment used
175 Fri Feb 13 10:21:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
177 * combine.c (can_combine_p): Handle USEs in PARALLELs.
179 Fri Feb 13 01:34:14 1998 H.J. Lu (hjl@gnu.org)
181 * config/linux.h (LIB_SPEC): Add -lc for -shared if
182 USE_GNULIBC_1 is not defined.
183 * config/sparc/linux.h; Ditto.
185 * config/sparc/linux64.h (LIB_SPEC): Add -lc for -shared.
187 * config/alpha/linux-elf.h (LIB_SPEC): New. Defined if
188 USE_GNULIBC_1 is not defined.
190 Fri Feb 13 01:29:29 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
192 * rs6000/sysv4.h (ENDFILE_SPEC): add missing %(endfile_linux)
195 Fri Feb 13 01:23:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
197 * system.h: New file to get common systems includes and various
198 definitions and declarations based on autoconf macros.
200 Fri Feb 13 00:46:19 1998 Jeffrey A Law (law@cygnus.com)
202 * cccp.c (new_include_prefix): Correctly handle -I./.
204 Thu Feb 12 20:16:35 1998 Michael Meissner <meissner@cygnus.com>
206 * rs6000.md: Replace gen_rtx (CONST_INT,...) with GEN_INT.
208 Thu Feb 12 16:45:17 1998 Robert Lipe <robertl@dgii.com>
210 * expr.c (expand_assignment): Correct typo exposed by -Wall.
211 offset should have been a truth value, not an assignment.
213 Thu Feb 12 15:26:50 1998 Jeffrey A Law (law@cygnus.com)
215 * cse.c (delete_dead_from_cse): If a libcall produces a constant
216 result and that result can be substituted into SET_SRC of the
217 insn with the REG_RETVAL note, then perform the substitution
218 and delete the libcall.
220 Thu Feb 12 14:04:09 1998 Gavin Koch <gavin@cygnus.com>
222 * mips.md (trucndihi2,truncdiqi2): Change these to support
225 Thu Feb 12 11:34:55 1998 Gavin Koch <gavin@cygnus.com>
227 * mips/mips.c (movdi_operand): Direct referances to symbols
228 that arn't mips16 consts in mips16 mode arn't valid operands.
230 * mips/mips.c (mips_move_2words): Add gprel handling.
232 Thu Feb 12 11:18:37 1998 Gavin Koch <gavin@cygnus.com>
234 * mips.md (extendsidi2): Allow extension to/from a non-mips16
237 Thu Feb 12 00:04:16 1998 Marc Lehmann <pcg@goof.com>
239 * i386.c: Conditionally include <stdlib.h>, <string.h>, and
242 Wed Feb 11 11:43:34 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
244 * Makefile.in (WARN_CFLAGS): New variable.
245 (bootstrap, bootstrap2, bootstrap3, bootstrap4): Use it.
247 1998-02-11 Mark Mitchell <mmitchell@usa.net>
249 * config/i386/i386.c (reg_mentioned_in_mem): Don't abort when
250 falling through default case in switch.
251 (i386_aligned_p): Likewise.
253 Wed Feb 11 12:59:56 1998 Lee Iverson <leei@Canada.AI.SRI.COM>
255 * mips/mips.h (mips_abi_string): Correct typo in comment.
257 Wed Feb 11 08:29:56 1998 Gavin Koch <gavin@cygnus.com>
259 * mips/mips.md (movdi): These PLUS's need to be Pmode.
261 Wed Feb 11 01:47:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
263 * Makefile.in (dwarf2out.o, emit-rtl.o, jump.o, cse.o, unroll.o,
264 reorg.o, regmove.o): Depend on insn-codes.h, it gets included
265 indirectly via expr.h.
267 Wed Feb 11 01:44:13 1998 Richard Henderson <rth@cygnus.com>
269 * stor-layout.c (layout_type): Do upper - lower in the native type,
270 so as to properly handle negative indices.
272 Wed Feb 11 01:35:55 1998 Robert Lipe <robertl@dgii.com>
274 * except.c (start_dynamic_cleanup): Remove unused variable 'dhc'.
275 (expand_eh_region_start_tree): Remove unused variable 'note'.
276 (exception_optimize): Remove unused variable 'regions'.
277 (expand_builtin_eh_stub): Remove unused variable 'temp'.
278 (copy_eh_entry): Deleted. Dead function.
280 * expr.c (move_block_to_reg) Bracket declaration of 'pat' and
281 'last' with same #if HAVE_load_multiple as use of it.
282 (move_block_from_reg): Likewise.
283 (emit_move_insn_1): Remove unused variable 'insns'.
284 (store_constructor): Bracket declaration of startb, endb with
285 #if TARGET_MEMFUNCTIONS. Remove unused variables 'set_word_size'
286 'target', and 'xtarget'.
287 (expand_builtin_setjmp): Remove unused variables 'op0',
288 'next_arg_reg', 'old_inhibit_defer_pop'.
289 (expand_builtin): Remove unused variable 'offset'.
290 (do_store_flag): Remove unused variables 'pattern', 'jump_pat'.
291 (emit_queue): Add parens for assignment used as conditional.
292 (expand_expr): case TARGET_EXPR: Remove unused variable 'temp'.
294 Wed Feb 11 01:30:49 1998 Marc Lehmann <pcg@goof.com>
296 * i386.c: Added include for recog.h.
297 (override_options): Removed unused variable p. Initialized regno to
299 (order_regs_for_local_alloc): Initialized regno to avoid warning.
300 (legitimize_address): Likewise for 'other'.
301 (i386_aligned_reg_p): Added default case with abort ().
302 (print_operand): Likewise.
303 (reg_mentioned_in_mem): Likewise.
304 (ix86_expand_binary_operator): Removed unused variables i & insn.
305 (ix86_expand_unary_operator): Removed unused variable insn.
306 (output_fp_cc0_set): Removed unused variable unordered_label.
308 Wed Feb 11 01:23:03 1998 John F. Carr <jfc@mit.edu>
310 * i386.c, i386.h, i386.md: Change gen_rtx (X, ...) to gen_rtx_X (...).
311 Use GEN_INT instead of gen_rtx (CONST_INT). Make printf arguments
312 and format string match.
314 Wed Feb 11 01:17:39 1998 Jeffrey A Law (law@cygnus.com)
316 * flow.c (life_analysis): Do not conside the stack pointer live at
317 the end of a function if the fucntio ncalls alloca.
318 (mark_used_regs): Similarly.
320 1998-02-10 John F Carr <jfc@mit.edu>
322 * config/sparc/sparc.md (movdi_v8plus): Output stx on alternative
323 1, fzero on alternative 8.
325 Tue Feb 10 09:02:19 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
327 * rs6000.c (setup_incoming_varargs): Always set rs6000_sysv_varargs_p.
329 Tue Feb 10 03:35:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
331 * reload.c (find_reloads_toplev): Handle arbitrary non-paradoxical
332 SUBREGs of CONST_INTs.
334 Mon Feb 9 17:52:36 1998 John Carr <jfc@mit.edu>
336 * mips.c (print_operand, function_prologue): Make printf format
339 Mon Feb 9 02:37:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
341 * alpha.c (alpha_return_addr): Remove unused variable `first'.
342 (alpha_ra_ever_killed): Remove unused variables `ra' and `i'.
343 (output_epilog): Remove unused variable `frame_size_from_reg_save'.
345 Sun Feb 8 14:56:03 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
347 * loop.c (strength_reduce): When placing increment for auto-inc
348 case, do comparison in loop order.
350 Sun Feb 8 13:21:38 1998 John Carr <jfc@mit.edu>
352 * bitmap.c (bitmap_debug_file): HOST_PTR_PRINTF converts a pointer,
355 * calls.c (expand_call): Change test of expand_inline_function
356 return value to stop compiler warning.
358 * genattrtab.c (RTL_HASH): Cast pointer to long, not HOST_WIDE_INT.
360 Sun Feb 8 12:04:24 1998 Jim Wilson (wilson@cygnus.com)
361 Jeff Law (law@cygnus.com)
363 * regmove.c: Fix various minor formatting problems.
364 (optimize_reg_copy_1): Stop search at CALL_INSNs if flag_exceptions
365 is true. Make end of basic block tests consistent through regmove.c.
366 (optimize_reg_copy_2, optimize_reg_copy_3): Likewise.
367 (fixup_match_2, fixup_match_1, regmove_optimize): Likewise.
369 Sun Feb 8 01:49:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
371 * gansidecl.h: Check for a conflicting macro definition before
372 attempting to prototype bcopy, bcmp or bzero.
374 Sun Feb 8 00:09:59 1998 Jeffrey A Law (law@cygnus.com)
376 * expr.c (clear_pending_stack_adjust): Handle case where a function
377 calls alloca, but the user has specified -fomit-fframe-pointer.
379 * function.c (assign_parms): Fix typo in last change.
381 Sat Feb 7 23:54:29 1998 Robert Lipe <robertl@dgii.com>
383 * gcc.c: Include <strings.h>/<string.h>, <stdlib.h>, <unistd.h>,
385 (free_path_suffix): Remove unreferenced static function.
386 (process_command): Remove unused variable temp.
387 (default_arg): Remove unused variable i.
388 (do_spec_1): Add parens for assignment used as truth value.
390 (validate_all_switches): Likewise.
391 (main): Remove unused variables i, first_time>
393 * c-common.c: Include <stdlib.h> and <string.h>/<strings.h>.
395 * calls.c (expand_call): Remove unused variables funtree,
398 * dbxout.c, except.c: Include <string.h>/<strings.h>.
400 * explow.c: (plus_constant_for_output_wide) Removed unused
401 variable all_constant.
403 * c-decl.c, genattr.c, genattrtab.c, getconfig.c, genemit.c
404 genextract.c, genflags.c, genopinit.c genoutput.c, genpeep.c,
405 genrecog.c, global.c, integrate.c , stupid.c : Include
408 * genextract.c: (walk_rtx) Remove unused variable link.
410 * genrecog.c: (concat) Remove unreferenced static function.
412 * prefix.c: Include <string.h>/<strings.h>, <stdlib.h>
414 * stmt.c: Include <stdlib.h>.
415 (expand_asm_operands): Remove unused variable val1.
416 (expand_return): Remove unused variable block.
417 (pushcase): Remove unused variables l and n.
418 (pushcaserange): Likewise.
420 * unroll.c (unroll_loop): Remove unused variable temp.
422 Sat Feb 7 23:46:09 1998 Greg McGary <gkm@gnu.org>
424 * c-decl.c (pushdecl): Set DECL_ORIGINAL_TYPE once only.
426 Sat Feb 7 15:11:28 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
428 * aclocal.m4 (GCC_FUNC_PRINTF_PTR): New macro to test the printf
429 functions for whether they support the %p format specifier.
430 * acconfig.h (HOST_PTR_PRINTF): Insert stub for autoconf.
431 * configure.in (GCC_FUNC_PRINTF_PTR): Use it.
432 * configure, config.in: Rebuild.
434 Fri Feb 6 14:20:16 1998 Jim Wilson <wilson@cygnus.com>
436 * function.c (assign_parms): New variable named_arg, with value
437 depending on STRICT_ARGUMENT_NAMING. Use instead of ! last_named.
439 Fri Feb 6 14:34:28 1998 Gavin Koch <gavin@cygnus.com>
441 * mips/t-r3900: New - same as t-ecoff but eliminate
442 multilibs: mips1 and mips3.
443 * configure.in (tx39*): Use new mips/t-r3900.
444 * configure: Rebuild.
445 * mips/r3900.h (MULTILIB_DEFAULTS): Eliminate mips1.
447 1998-02-06 Jason Merrill <jason@yorick.cygnus.com>
449 * dwarf2out.c: Add old_args_size.
450 (dwarf2out_args_size): Use it.
451 (dwarf2out_begin_prologue): Initialize it.
452 (dwarf2out_stack_adjust): If !asynchronous_exceptions, save up
453 pushed args until we see a call.
454 * final.c (final_scan_insn): Hand CALL_INSNs off to the dwarf2 code
455 before outputting them.
457 1998-02-06 Kriang Lerdsuwanakij <lerdsuwa@scf.usc.edu>
459 * cplus-dem.c (demangle_template_template_parm): New function.
460 (demangle_template): Handle template template parameters.
462 1998-02-02 Mark Mitchell <mmitchell@usa.net>
464 * calls.c (expand_call): Don't confuse member functions named
465 realloc, setjmp, and so forth with the standard library
466 functions of the same names.
468 Thu Feb 5 21:59:49 1998 Jeffrey A Law (law@cygnus.com)
470 * stmt.c (expand_asm_operands): Correctly identify asm statements
473 Thu Feb 5 21:56:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
475 * c-common.c (decl_attributes): Flag unrecognized attribute
476 functions as warnings instead of as errors.
478 1998-02-05 Marc Lehmann <pcg@goof.com>
480 * integrate.c (INTEGRATE_THRESHOLD): Inline only small functions
481 when -Os is specified.
482 * toplev.c (main): Don't disable flag_inline_functions anymore when
485 Fri Feb 6 00:27:36 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
488 * flags.h (flag_regmove): Declare.
489 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Don't declare.
490 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2):
491 Moved into regmove; changed caller.
492 * toplev.c (rest_of_compilation): Call regmove_optimize also for
493 expensive_optimizations.
495 Thu Feb 5 13:38:42 PST 1998 Jeff Law (law@cygnus.com)
497 * version.c: Bump for snapshot.
499 Thu Feb 5 01:45:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
500 Undo this change (the problem was actually in reload):
501 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
503 * sh.md (movqi_i+1): New peephole.
505 Tue Feb 3 01:11:12 1998 Jeffrey A Law (law@cygnus.com)
507 * jump.c (jump_optimize): Lose calls to modified_in_p they are
508 not needed anymore due to changes elsewhere in jump.c.
510 * jump.c (jump_optimize): Fix first arg to modified_in_p in
513 Mon Feb 2 19:18:14 1998 Richard Henderson <rth@cygnus.com>
515 * expr.c (expand_builtin_setjmp): Accept two new arguments for
516 the labels to branch to on first and subsequent executions. Don't
517 play with __dummy. Rename `setjmp' insn to `builtin_setjmp_setup',
518 and provide it with the jmp_buf. Use only one of
519 `builtin_setjmp_receiver' or `nonlocal_goto_receiver',
520 and provide the former with the target label.
521 (expand_builtin) [BUILTIN_SETJMP]: Generate a label for use by setjmp.
522 (expand_builtin) [BUILTIN_LONGJMP]: Split out to ...
523 (expand_builtin_longjmp): ... here. Recognize a `builtin_longjmp'
524 insn to replace all of the normal nonlocal_goto code. Don't play
525 with __dummy. Correct arguments to nonlocal_goto.
526 * expr.h (expand_builtin_setjmp): Update prototype.
527 * except.c (start_dynamic_handler): When using builtin_setjmp,
528 generate more accurate flow information.
530 * alpha.md (nonlocal_goto_receiver_osf): Delete.
531 (nonlocal_goto_receiver_vms): Rename to nonlocal_goto_receiver.
532 (builtin_longjmp, builtin_setjmp_receiver): New.
533 * sparc.md (update_return): Disambiguate unspec number.
534 (nonlocal_goto): Rearrange arguments to match caller in except.c.
535 (builtin_setjmp_setup): Rename from setjmp. Match and ignore the
537 * mips.md (nonlocal_goto_receiver, builtin_setjmp_receiver): Remove.
538 (builtin_setjmp_setup*, builtin_longjmp): New.
540 Mon Feb 2 16:43:10 1998 John Carr <jfc@mit.edu>
542 * mips.md: Change gen_rtx (CONST_INT) to GEN_INT.
544 Mon Feb 2 13:06:47 1998 Jim Wilson <wilson@cygnus.com>
546 * vmsconfig.com: Remove bytecode references.
548 1998-01-30 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
550 * dwarf2out.c (dwarf2out_frame_init): Undo last change, so that
551 -fno-sjlj-exceptions works for a target that defines
552 DWARF2_UNWIND_INFO as zero.
554 * regmove.c (fixup_match_1): Undo last change which removed some
555 "useless" code, and add a comment explaining this.
557 Mon Feb 2 10:47:14 1998 Gavin Koch (gavin@cygnus.com)
559 * mips.c (mips_expand_prologue): Change uses of TARGET_64BIT
562 Mon Feb 2 10:38:41 1998 Klaus Kaempf <kkaempf@progis.de>
564 * makefile.vms: Remove bytecode references.
567 Mon Feb 2 02:08:04 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
569 * jump.c (jump_optimize): Allow conditional loading of floating point
570 constants and constants from memory. Reinstalled modified_in_p tests.
572 Mon Feb 2 01:38:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
574 * loop.c (get_condition): Handle sign-extended constants.
576 Mon Feb 2 01:22:46 1998 Hans-Peter Nilsson <hp@axis.se>
578 * expr.c (emit_push_insn): Add code to use movstrti if present.
580 * expr.c (emit_push_insn): Use same max-move-amount for movstrhi
581 and movstrqi as in emit_block_move ().
583 Mon Feb 2 00:09:52 1998 Toon Moene <toon@moene.indiv.nluug.nl>
585 * config/m68k/x-next: Remove /NextDeveloper/Headers from
586 the directories to fixinclude - /usr/include is a link
587 to it and hence its contents are fixed by default.
589 Sun Feb 1 14:15:33 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
591 * rs6000/linux.h: define JUMP_TABLES_IN_TEXT_SECTION
593 Sun Feb 1 13:01:15 1998 Klaus Kaempf <kkaempf@progis.de>
595 * cccp.c (main): Predefine __VMS_VER on VMS.
597 Sun Feb 1 12:39:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
599 * expr.c (get_inner_reference): Use sbitsizetype for type sizes.
600 * fold-const.c (size_int): Replace with
602 (make_bit_field_ref): Use bitsize_int for bit position.
603 * stor-layout.c (sizetype): Delete.
604 (sizetype_tab, sbitsizetype, ubitsizetype): Declare.
605 (layout_record, layout_union, layout_type):
606 Use bitsize_int for bit size.
607 (set_sizetype): New function.
608 (make_signed_type, make_unsigned_type): Use it.
609 * c-decl.c (init_decl_processing): Likewise.
610 * tree.h (size_int): Don't delcare, #define.
611 (size_int_wide, sizetype_tab, sbitsize, ubitsize): Declare.
612 (set_sizetype): Declare.
613 (bitsize_int, size_int_2, BITS_PER_UNIT_LOG, sizetype, bitsizetype):
615 * c-typeck.c (c_sizeof, c_sizeof_nowarn, c_size_in_bytes):
616 Convert result to sizetype.
617 (really_start_incremental_init, push_init_level):
618 Set type of constructor_bit_index to sbitsizetype.
619 (push_init_level): Use unsigned arithmetic to determine padding.
620 (output_init_element): Likewise.
622 Sun Feb 1 03:32:07 1998 Jeffrey A Law (law@cygnus.com)
624 * combine.c (simplify_shift_const): Fix typo in last change.
626 Sun Feb 1 02:50:46 1998 John Carr <jfc@mit.edu>
628 * combine.c (simplify_shift_const): (lshiftrt (truncate (lshiftrt)))
629 is (truncate (lshiftrt)).
631 Sun Feb 1 01:06:53 1998 Richard Henderson <rth@cygnus.com>
633 * alpha.c (alpha_expand_unaligned_load): Use expand_binop properly.
634 Make sure result winds up in TGT.
635 (alpha_expand_unaligned_store): Use expand_binop properly. Allow
636 src to be other than DImode.
637 (alpha_expand_unaligned_load_words): Tidy. Take an offset argument.
638 (alpha_expand_unaligned_store_words): Likewise.
639 (alpha_expand_block_move): Use REGNO_POINTER_ALIGN. Restructure so
640 that source and destination are separately optimized for alignment.
641 (alpha_expand_block_clear): Use REGNO_POINTER_ALIGN.
643 Sun Feb 1 01:55:09 1998 Jeffrey A Law (law@cygnus.com)
645 * mips.md (adddi3_internal_2): Be consistent with adddi3 expander
646 with handling of -32768.
648 Sun Feb 1 01:48:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
650 * aclocal.m4 (GCC_NEED_DECLARATION): Modify macro to accept a
651 shell variable argument instead of only hard coded functions.
652 (GCC_NEED_DECLARATIONS): New macro to accept multiple functions.
654 * configure.in: Collapse multiple calls to AC_CHECK_FUNCS into one
655 call. Collapse multiple calls to GCC_NEED_DECLARATION into one
656 call to GCC_NEED_DECLARATIONS (new macro.) Check if we need
657 declarations for bcopy, bcmp and bzero.
659 * acconfig.h: Add stubs for bcopy, bcmp and bzero declarations.
661 * gansidecl.h: If we have bcopy but don't declare it, then do so.
662 Likewise for bcmp and bzero. Only define macros for bcopy, bcmp,
663 bzero, index and rindex if they aren't already present.
665 Sat Jan 31 11:26:58 1998 Jeffrey A Law (law@cygnus.com)
667 * toplev.c (close_dump_file): Wrap function prototype for
668 argument "func" in PROTO.
669 (dump_rtl): Likewise.
671 Fri Jan 30 22:30:39 1998 John Carr <jfc@mit.edu>
673 * sparc.c (sparc_override_options): Make v8plus and ultrasparc set
675 (output_function_epilogue): Omit epilogue if nothing drops through.
676 (output_move_double): Supress int ldd usage on ultrasparc and v9.
677 (registers_ok_for_ldd_peep): Likewise.
678 (print_operand): Supress b,a on ultrasparc. Let Y accept a constant.
679 (ultrasparc_adjust_cost): New function.
680 (sparc_issue_rate): New function.
681 * sparc.h (MASK_VIS, TARGET_VIS): New
682 (MASK_V8PLUS, TARGET_V8PLUS): New.
683 (TARGET_HARD_MUL32, TARGET_HARD_MUL): New.
684 (TARGET_SWITCHES): Add vis and v8plus.
685 (REG_CLASS_FROM_LETTER): Accept d and b for VIS.
686 (REGISTER_MOVE_COST): FP<->INT move cost 12 for ultrasparc.
687 (RTX_COSTS): Use TARGET_HARD_MUL
688 (ADJUST_COST): Call ultrasparc_adjust_cost.
690 * sparc.md (attr type): Add sload, fpmove, fpcmove. Adjust users
691 of load & fp appropritely.
692 (supersparc function units): Adjust for Haifa.
693 (ultrasparc function units): Likewise.
694 (get_pc_via_rdpc): All v9, not just arch64.
695 (movdi_v8plus, movdi_v8plus+1): New.
696 (adddi3_sp32+1): New.
697 (subdi3_sp32+1): New.
698 (movsi_insn, movsf_const_insn, movdf_const_insn): Know VIS.
699 (addsi3, subsi3, anddi3_sp32, andsi3, and_not_di_sp32): Likewise.
700 (and_not_si, iordi3_sp32, iorsi3, or_not_di_sp32, or_not_si): Likewise.
701 (xorsi3_sp32, xorsi3, xor_not_di_sp32, xor_not_si): Likewise.
702 (one_cmpldi2_sp32, one_cmplsi2): Likewise.
703 (ldd peepholes): Suppress for v9.
704 (return_adddi): Kill redundant test. Arg1 may be arith_operand.
705 (return_subsi): Revmove.
707 Fri Jan 30 18:30:03 1998 John F Carr <jfc@mit.edu>
709 * mips.c (save_restore_insns): Set RTX_UNCHANGING_P in register
710 save/restore MEM rtl.
712 Fri Jan 30 09:08:16 1998 Jeffrey A Law (law@cygnus.com)
714 * configure.in: Check for declaration of abort.
715 * acconfig.h: Corresponding changes.
716 * toplev.c: Use NEED_DECLARATION_ABORT to determine if abort should
719 Thu Jan 29 20:26:12 1998 Jeffrey A Law (law@cygnus.com)
721 * genattrtab.c (optimize): Define in case PRESERVE_DEATH_INFO_REGNO_P
724 Thu Jan 29 09:27:56 PST 1998 Jeff Law (law@cygnus.com)
726 * version.c: Bump for snapshot.
728 Thu Jan 29 10:12:27 1998 Jeffrey A Law (law@cygnus.com)
730 * configure.in: Check for atoq and atoll.
731 * rtl.c (read_rtx): Use HAVE_ATOLL and HAVE_ATOQ to select the
732 proper routine for converting ascii into long long values.
734 Thu Jan 29 01:28:14 1998 Klaus Kaempf <kkaempf@progis.de>
736 * cccp.c (SYS$SEARCH, SYS$PARSE): Write as upper-case.
738 * vmsconfig.com: Remove bytecode references.
740 * alpha/vms.h (PREFIX): Define.
742 * alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Remove.
744 * am-alpha.h: Don't include alloca for OPEN_VMS.
746 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Define.
748 * alpha/xm-vms.h (INCLUDE_DEFAULTS): Define.
749 (GCC_INCLUDE_DIR): Define
751 * make-cc.com, make-cccp.com, make-cc1.com: Removed.
752 * makefile.vms: New file.
754 * alpha/vms.h (CPP_PREDEFINES): Remove -Dalpha.
756 * alpha.c (output_prolog): Output '.name' directive
757 for minimal traceback information.
759 * alpha.c (output_prolog): Don't prepend entry point symbols
760 with '$' on OPEN_VMS.
762 Thu Jan 29 00:25:35 1998 David S. Miller <davem@tanya.rutgers.edu>
763 Jeffrey A Law (law@cygnus.com)
765 * rtl.c (read_rtx): Use atol/atoq based upon disposition of
768 * genattrtab.c (write_test_expr): Use HOST_WIDE_INT_PRINT_DEC
770 * genemit.c (gen_exp): Likewise.
771 * genpeep.c (match_rtx): Likewise.
772 * genrecog.c (write_tree_1): Likewise.
774 * c-lex.c (yyprint): Use proper format string based upon
775 disposition of HOST_BITS_PER_WIDE_INT.
776 (yylex): Put casts in right place for args to build_int_2.
778 Thu Jan 29 00:24:29 1998 Jeffrey A Law (law@cygnus.com)
780 * combine.c: Fix typos in Jan27 changes.
782 Thu Jan 29 00:07:49 1998 Ollivier Robert <roberto@keltia.freenix.fr>
784 * i386/freebsd.h (LIB_SPEC): Correctly handle -shared, -p and friends.
785 (LINK_SPEC): Likewise.
786 (STARTFILE_SPEC): Likewise.
788 1998-01-28 Mike Stump <mrs@wrs.com>
790 * rtlanal.c (dead_or_set_regno_p): Ignore REG_DEAD notes after
792 * genattrtab.c (reload_completed): Define.
794 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Remove obsolete
797 Wed Jan 28 20:11:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
799 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
800 SUBREG_REG if the word count is unchanged, also in the input reload
801 case. Disable non-applicable sanity checks.
803 Wed Jan 28 20:08:26 1998 Jeffrey A Law (law@cygnus.com)
805 * config/t-svr4 (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
807 Wed Jan 28 20:04:43 1998 Ian Lance Taylor <ian@cygnus.com>
809 * i386/t-cygwin32 (LIMITS_H_TEST, LIBGCC2_INCLUDES): Define.
811 Wed Jan 28 11:45:27 1998 Per Bothner <bothner@cygnus.com>
813 * dbxout.c (dbxout_type): For a RECORD_TYPE, check that TYPE_BINFO
814 is a TREE_VEC before trying to use it for baseclasses.
815 (Chill uses the same field for a different purpose.)
817 * toplev.c (strip_off_ending): Generalize to endings up to 5 chars.
819 Tue Jan 27 23:15:55 1998 Lassi A. Tuura <lat@iki.fi>
821 * config.sub: More accurate determination of HP processor types.
823 Tue Jan 27 23:11:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
825 * c-lex.c: Include <stdlib.h> and <string.h>/<strings.h>. Add
826 prototype for `handle_sysv_pragma', and make it static. Add
827 parentheses around assignment used as truth value.
829 * combine.c (combine_instructions): Protect variable `prev' with
831 (can_combine_p): Protect variable `link' with AUTO_INC_DEC.
832 (extract_left_shift): Add parentheses around operand of &.
833 (merge_outer_ops): Avoid an empty body in an else-statement.
834 (gen_rtx_combine): Remove unused variable `i'.
836 * sparc/gmon-sol2.c: Include <fcntl.h>. Make return type of
837 function monstartup `void'. Likewise for internal_mcount. Add
838 `static void' prototype for moncontrol. Reconcile sprintf format
841 * sparc/sparc.c: Include <stdlib.h> and <string.h>/<strings.h>.
842 Make return type of function_arg_slotno explicitly `int'.
843 (reg_unused_after): Add parentheses around assignment used as
845 (save_regs): Add explicit braces to avoid ambiguous `else'.
846 (function_arg_slotno): Add parentheses around && within ||.
847 (function_arg_pass_by_reference): Likewise.
848 (sparc_flat_output_function_prologue): Reconcile fprintf format
851 * svr4.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
852 assignment used as truth value.
854 * cplus-dem.c: Include <stdlib.h>.
855 (demangle_signature): Avoid an empty body in an else-statement.
856 (do_type): Remove unused variable `lvl'.
858 * cppexp.c: Don't have <stdlib.h> depend on MULTIBYTE_CHARS.
859 Include <string.h>/<strings.h>.
860 (cpp_lex): Remove unused variable `namelen'.
861 (cpp_lex): Explicitly declare `num_chars' as an int.
863 * cpplib.c: Avoid duplicate inclusion of <stdlib.h>, include
864 <unistd.h> instead. Explicitly declare is_system_include
866 (make_assertion): Remove unused variable `kt'.
867 (cpp_expand_to_buffer): Hide variable `obuf'.
868 (output_line_command): Remove unused variables, `line_end',
869 `line_cmd_buf' and `len'.
870 (macarg): Remove unused variable `arg_start'.
871 (special_symbol): Remove unused variable `i'. Add parentheses
872 around assignment used as truth value.
873 (do_include): Remove unused variables `pcfname' and `retried',
874 hide `pcf' and `pcfbuflimit'.
875 (do_line): Remove unused variable `i'.
876 (finclude): Hide variable `missing_newline'.
877 (cpp_handle_options): Remove unused variable `j'.
878 (read_token_list): Remove unused variable `eofp'.
879 (cpp_error_with_line): Remove unused variable `i'.
880 (cpp_warning_with_line): Likewise.
881 (cpp_pedwarn_with_line): Explicitly declare `column' as int.
882 (cpp_error_from_errno): Remove unused variable `i'.
884 * cse.c (invalidate): Add parentheses around assignment used as
886 (find_best_addr): Move declaration of variable `our_cost' inside
887 the conditional macro where its used.
888 (fold_rtx): Avoid an empty body in an if-statement.
889 (cse_insn): Wrap variables `this_insn_cc0_mode' and
890 `this_insn_cc0' in macro HAVE_cc0.
892 * dwarf2out.c: Include <stdlib.h> and <string.h>/<string.h>.
893 (ASM_OUTPUT_DWARF_DATA8): Reconcile format vs. args in fprintf's.
894 (output_uleb128): Likewise.
895 (output_sleb128): Likewise.
896 (output_cfi): Likewise.
897 (output_call_frame_info): Remove unused variables `j', `fde_size'
899 (comp_unit_has_inlines): Hide declaration as per rest of file.
900 (size_of_line_prolog): Correct typo in prototype.
901 (add_arange): Likewise.
902 (output_aranges): Likewise.
903 (add_name_and_src_coords_attributes): Likewise.
904 (gen_array_type_die): Likewise.
905 (gen_inlined_subroutine_die): Likewise.
906 (equate_decl_number_to_die): Remove unused variable `i'.
907 (print_die): Reconcile format vs. args in fprintf's.
908 (print_dwarf_line_table): Likewise.
909 (output_die): Likewise.
910 (output_line_info): Likewise.
911 (add_subscript_info): Avoid an empty body in an else-statement.
912 (gen_subprogram_die): Remove unused variable `fp_loc'.
914 * dwarfout.c: Explicitly declare `next_pubname_number' as int.
915 Protect `ordering_attribute' prototype with USE_ORDERING_ATTRIBUTE
916 macro. Protect `src_coords_attribute' prototype with
917 DWARF_DECL_COORDINATES macro. Hide `output_entry_point_die'
918 prototype as in the rest of the file. Likewise for
919 `output_pointer_type_die' and `output_reference_type_die'. Remove
920 prototype for `type_of_for_scope'.
921 (output_unsigned_leb128): Reconcile format vs. args in fprintf.
922 (type_attribute): Add explicit braces to avoid ambiguous `else'.
924 * final.c: Include <stdlib.h> and <string.h>/<strings.h>.
925 (shorten_branches): Protect declaration of tmp_length with
926 SHORTEN_WITH_ADJUST_INSN_LENGTH and ADJUST_INSN_LENGTH macros.
927 (profile_function): Protect declaration of `sval' and `cxt'
928 variables with appropriate macros.
929 (final_scan_insn): Likewise for `note' variable. Add explicit
930 braces to avoid empty body in an if-statement.
931 (output_asm_insn): Move variable `i' inside macro conditional
932 where it is used. Add parentheses around assignment used as truth
934 (asm_fprintf) Likewise, likewise.
936 * fix-header.c (main): Remove unused variable `done'. Protect
937 declaration of `i' with FIXPROTO_IGNORE_LIST.
939 * pexecute.c: Include <unistd.h>. Prototype `my_strerror'.
941 * print-rtl.c (print_inline_rtx): Explicitly declare the parameter
944 * profile.c: Include <string.h>/<strings.h>.
945 (instrument_arcs): Remove unused variables `note', `inverted',
946 `zero' and `neg_one'.
947 (branch_prob): Avoid empty body in an if-statement.
949 * regclass.c: Include <stdlib.h>.
950 (reg_alternate_class): Explicitly declare parameter `regno'.
952 * regmove.c (regmove_optimize): Remove unused variable `p'. Add
953 parentheses around assignment used as truth value.
954 (find_matches): Remove unused variables `output_operand' and
956 (fixup_match_1): Remove statement with no effect: "if (0) ;".
958 * scan.c (sstring_append): Explicitly declare `count' as int.
959 (scan_string): Explicitly declare parameter `init' as int.
961 * sched.c: Include <stdlib.h>.
962 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
963 (rank_for_schedule): Add parentheses around assignment used as
965 (schedule_block): Likewise.
966 (regno_use_in): Likewise.
967 (schedule_insns): Remove unused variable `i'.
969 * toplev.c: Include <stdlib.h> and <string.h>/<strings.h>.
970 (v_message_with_decl): Remove unused variable `n'.
971 (botch): Explicitly declare parameter `s' as char *.
972 (main): Add parentheses around assignment used as truth value.
974 * tree.c (make_node): Protect the variable `kind' with the
975 GATHER_STATISTICS macro.
976 (real_value_from_int_cst): Move variable `e' inside conditional
977 macro area where it is used.
978 (tree_last): Add parentheses around assignment used as truth value.
979 (build1): Protect the variable `kind' with the GATHER_STATISTICS
981 (print_obstack_statistics): Reconcile format vs. args in fprintf.
982 Protect variables `i', `total_nodes', and `total_bytes' with the
983 GATHER_STATISTICS macro.
985 Tue Jan 27 23:01:55 1998 Mike Stump (mrs@wrs.com)
987 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Add
988 some comments regarding use of dead_or_set_p.
990 Tue Jan 27 22:14:48 1998 Todd Vierling <tv@pobox.com>
992 * fixincludes: Tweak fix for struct exception in math.h
994 Tue Jan 27 17:21:09 1998 Gavin Koch (gavin@cygnus.com)
996 * mips/mips.c (mips_expand_prologue,mips_expand_epilogue):
997 Change mode of registers used to add/sub from
998 hard_frame_pointer_rtx from word_mode to Pmode.
1000 Tue Jan 27 11:02:04 1998 Nick Clifton <nickc@cygnus.com>
1002 * v850.h (ASM_OUTPUT_ALIGNED_BSS): Use
1003 asm_output_aligned_bss() instead of asm_output_bss().
1005 * toplev.c (rest_of_compilation): Replace references to
1006 stack_reg_dump_file and dbr_sched_dump_file with references to
1009 Tue Jan 27 10:22:13 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
1011 * tlink.c (scan_linker_output): Call fclose() for opened files.
1013 Tue Jan 27 05:05:26 1998 Richard Henderson <rth@cygnus.com>
1015 * alpha.c (output_epilog [!VMS]): Don't tag global functions if
1016 compiling with -fpic -- we want to be able to override symbols
1018 (alpha_expand_block_move): Fix thinko in last change.
1020 * alpha.h (ASM_OUTPUT_MI_THUNK): New define.
1021 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): New define.
1022 * config/alpha/vms.h (ASM_OUTPUT_MI_THUNK): New undef.
1024 Tue Jan 27 03:21:23 1998 Richard Henderson <rth@cygnus.com>
1026 * alpha.md (abssf, absdf): Revert last change.
1028 Tue Jan 27 00:26:50 1998 John Carr <jfc@mit.edu>
1030 * dwarf2out.c (dwarf2out_frame_init): Test value of DWARF2_UNWIND_INFO.
1031 * mips/sni-svr4.h: Define DWARF2_UNWIND_INFO as 0.
1033 Tue Jan 27 00:07:02 1998 Jeffrey A Law (law@cygnus.com)
1035 * emit-rtl.c (gen_lowpart_common): Handle more case where converting
1036 a CONST_INT into SFmode.
1038 Tue Jan 20 16:01:03 1998 Anthony Green <green@cygnus.com>
1040 * flags.h: New flag (optimize_size).
1041 * toplev.c (main): Parse -Os option and set optimize_space
1043 * gcc.c (default_compilers), cp/lang-specs.h, f/lang-specs.h: Define
1044 __OPTIMIZE_SIZE__ when compiling with -Os.
1045 * config/dsp16xx/dsp16xx.h, config/i386/i386.h,
1046 config/i386/dgux.h, config/i960/i960.h, config/pdp11/pdp11.h,
1047 config/v850/v850.h (OPTIMIZATION_OPTIONS): New SIZE argument
1049 * config/i386/i386.c (optimization_options): Accept new SIZE argument.
1051 Mon Jan 26 23:57:39 1998 Manfred Hollstein <manfred@s-direktnet.de>
1053 * libgcc2.c (__clear_insn_cache): On sysV68 enable the memctl
1054 stuff only if MCT_TEXT is #define'd.
1056 Mon Jan 26 23:52:51 1998 Markus F.X.J. Oberhumer <k3040e4@c210.edvz.uni-linz.ac.at>
1058 * configure.in (i*86-pc-msdosdjgpp): Treat like msdos & go32
1061 Fri Jan 23 09:39:36 1998 Nick Clifton <nickc@cygnus.com>
1063 * toplev.c: Add -dM command line option to dump RTL after the
1064 machine dependent reorganisation pass, if there is one.
1065 Reorganise RTL dump code, so that only one file handle is
1068 Mon Jan 26 12:09:42 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
1070 * except.c (check_exception_handler_labels): Disable warning when
1073 Mon Jan 26 18:17:32 1998 Jim Wilson <wilson@cygnus.com>
1075 * sparc.c (pic_setup_code): Don't set LABEL_PRESERVE_P.
1077 Mon Jan 26 18:11:30 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1079 * c-decl.c (grokdeclarator): Get parameter tags from
1080 last_function_parm_tags.
1081 * dwarfout.c (output_formal_types): Set TREE_ASM_WRITTEN before
1082 traversing the parameter types.
1083 (output_type): No early exit for FUNCTION_TYPE / METHOD_TYPE context.
1085 Mon Jan 26 01:44:12 1998 Jeffrey A Law (law@cygnus.com)
1087 * h8300.c (print_operand): Handle CONST_DOUBLE for 'e', 'f', and
1089 (get_shift_alg): Fix typo.
1091 Sun Jan 25 22:22:04 1998 Richard Henderson <rth@cygnus.com>
1093 * alpha.c (alpha_expand_block_move): Copy ADDRESSOF to reg.
1095 Sun Jan 25 22:14:28 1998 Richard Henderson <rth@cygnus.com>
1097 * toplev.c (get_run_time): Make sure each case gets its variables.
1099 Sun Jan 25 22:10:21 1998 Richard Henderson <rth@cygnus.com>
1101 * configure.in (build_xm_file): Add auto-config.h if host=build.
1102 (host_xm_file_list): Don't add $(srcdir) to auto-config.h.
1103 (build_xm_file_list): Likewise.
1104 * configure: Rebuild.
1106 Sun Jan 25 22:00:25 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk>
1108 * recog.c (validate_replace_rtx_1): Only perform substitutions
1109 of arguments to commutative and comparison operators once.
1111 Sun Jan 25 12:30:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1113 * sparc.c (output_cbranch): Add default case in
1116 * reorg.c (insn_sets_resource_p): Correct typo in prototype.
1117 (emit_delay_sequence): Eliminate unused parameter, all callers
1119 (fill_simple_delay_slots): Likewise.
1120 (fill_slots_from_thread): Likewise.
1121 (fill_eager_delay_slots): Likewise.
1122 (mark_referenced_resources): Add default case in enumeration switch.
1123 (mark_set_resources): Likewise.
1124 (rare_destination): Likewise.
1125 (mostly_true_jump): Likewise.
1126 (find_dead_or_set_registers): Likewise.
1127 (redirect_with_delay_slots_safe_p): Remove unused variable `slots'.
1128 (update_reg_unused_notes): Remove unused variable `p'.
1129 (mark_target_live_regs): Remove unused variables `next' and
1131 (fill_simple_delay_slots): Remove unused variable `j'.
1132 (fill_slots_from_thread): Add parentheses around assignment used
1134 (dbr_schedule): Likewise.
1136 * objc/Make-lang.in (objc.stage1): Depend on stage1-start.
1137 (objc.stage2, objc.stage3, objc.stage4): Likewise.
1139 Sun Jan 25 12:13:47 1998 Michael Tiemann <michael@tiemann.org>
1141 * cse.c (simplify_ternary_operation): Don't try to simplify
1142 IF_THEN_ELSE expressions (created by combine) that don't use
1143 relational operators.
1145 Fri Jan 23 22:48:24 1998 Jeffrey A Law (law@cygnus.com)
1147 * cse.c (simplify_ternary_operation): Handle more IF_THEN_ELSE
1150 * crtstuff.c (init_dummy): Keep the epilogue in the init
1151 section for non-ELF systems.
1153 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1155 * sh.md (movqi_i+1): New peephole.
1157 Fri Jan 23 15:39:42 1998 Jim Wilson <wilson@cygnus.com>
1159 * Makefile.in: Remove remaining bytecode stuff.
1160 * emit-rtl.c, expr.c: Likewise.
1162 Fri Jan 23 12:41:10 1998 Nick Clifton (nickc@cygnus.com)
1164 * toplev.c (lang_options): Add unknown-pragma options.
1166 Thu Jan 22 23:43:38 1998 Per Bothner <bothner@cygnus.com>
1168 * dwarfout.c (byte_size_attribute): Simplify and fix - don't need
1169 special (and incomplete) handling for Chill arrays.
1171 Fri Jan 23 00:27:23 1998 John Carr <jfc@mit.edu>
1173 * toplev.c (get_run_time): Call sysconf(_SC_CLK_TCK), when available,
1176 Fri Jan 23 00:19:36 1998 Gavin Koch (gavin@cygnus.com)
1178 * mips.md (muldi3_internal2): Reverse test for TARGET_MIPS16.
1180 1998-01-22 scott snyder <snyder@d0sgif.fnal.gov>
1182 * mips.c (function_prologue): Use HARD_FRAME_POINTER_REGNUM in
1183 .frame directive instead of FRAME_POINTER_REGNUM.
1185 Fri Jan 23 00:08:55 1998 Robin Kirkham <rjk@mlb.dmt.csiro.au>
1187 * m68k.h (TARGET_SWITCHES): -mcpu32 now clears MASK_68881.
1188 (MACHINE_STATE_m68010_up): Replaced __mc68332__ with __mcpu32__.
1189 * m68k/m68k-none.h(CPP_FPU_SPEC): Update relative to TARGET_SWITCHES.
1190 (CPP_SPEC, ASM_SPEC, CC1_SPEC): Likewise.
1191 (CPP_SPEC): -m68332 defines both __mc68332 and __mcpu32__.
1192 * m68k/t-m68kbare (MULTILIB_OPTIONS): Add mcpu32.
1193 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
1194 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
1196 * longlong.h: Replace __mc68332__ with __mcpu32__.
1198 Thu Jan 22 19:55:40 PST 1998 Jeff Law (law@cygnus.com)
1200 * version.c: Bump for snapshot.
1202 Thu Jan 22 14:47:31 1998 Jim Wilson <wilson@cygnus.com>
1204 * reload.c (push_reload): In WORD_REGISTER_OPERATIONS code, add test
1205 to require the SUBREG mode to be smaller than the SUBREG_REG mode.
1206 * reload1.c (eliminate_regs): Likewise.
1208 Thu Jan 22 14:49:14 1998 Jeffrey A Law (law@cygnus.com)
1210 * regmove.c (find_matches): Initialize matches->earlyclobber too.
1212 Thu Jan 22 01:40:52 1998 Richard Henderson <rth@cygnus.com>
1214 * alpha.md (abssf2, absdf2): Disable in IEEE mode.
1215 (negsf2, negdf2): Use proper subtract in IEEE mode.
1217 Tue Jan 20 09:29:09 1998 Jeffrey A Law (law@cygnus.com)
1219 * Makefile.in: Remove more bytecode stuff.
1220 * expr.c, stmt.c, config/msdos/top.sed: Likewise.
1221 * vax/xm-vms.h, winnt/config-nt.sed: Likewise.
1222 * f/install.texi, objc/Make-lang.in: Likewise.
1224 * Makefile.in: Remove all bytecode support.
1225 (OBJS): Make sure last entry is a real object file, not EXTRA_OBJS.
1226 * emit-rtl.c: Remove all bytecode support.
1227 * expr.c, expr.h function.c, integrate.c: Likewise.
1228 * output.h, regclass.c, rtl.h, stmt.c, toplev.c: Likewise.
1229 * tree.h, varasm.c: Likewise.
1230 * config/m68k/m68k.h: Likewise.
1231 * bi-*, bc-*, bytecode*: Delete bytecode related files.
1232 * modemap.def: Likewise.
1234 Tue Jan 20 09:02:31 1998 Gavin Koch (gavin@cygnus.com)
1236 * mips/mips.md (divsi3,divdi3,modsi3,moddi3,udivsi3,udivdi3,
1237 umodsi3,umoddi3): Handle mips16 div/mod by a constant.
1239 Mon Jan 19 21:57:00 1998 Richard Henderson <rth@cygnus.com>
1241 * i386.md (push): Prohibit symbolic constants if flag_pic.
1242 (movsi+1): Likewise for move to non-register.
1244 Mon Jan 19 11:15:38 1998 Jim Wilson <wilson@cygnus.com>
1246 * alpha.c (mode_mask_operand): Accept 0xffffffff on 32 bit host.
1247 (print_operand): Handle 0xffffffff on 32 bit host.
1249 * configure.in (thread_file): Rename uses before main loop to
1250 target_thread_file. Initialize to empty in main loop. Set thread_file
1251 to target_thread_file after main loop if not set.
1252 * configure: Rebuild.
1254 * genattrtab.c (find_and_mark_used_attributes): Handle CONST_INT.
1255 (add_values_to_cover): Revert last change (which had no ChangeLog
1257 (simplify_with_current_value_aux): Handle CONST_INT.
1259 Mon Jan 19 10:14:55 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1261 * unprotoize.c: Define UNPROTOIZE first, to actually take effect.
1263 Mon Jan 19 10:11:52 1998 Richard Henderson <rth@cygnus.com>
1265 * configure.in: Add cpp stringify test.
1266 * acconfig.h (HAVE_CPP_STRINGIFY): New tag.
1267 * gengenrtl.c: Use it.
1268 * configure, config.in: Rebuild.
1270 Mon Jan 19 09:43:15 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1272 * Makefile.in (genrtl.c genrtl.h): Add dummy command for GNU make.
1274 Mon Jan 19 09:38:18 1998 Richard Henderson <rth@cygnus.com>
1276 * configure.in: Find declaration for sbrk.
1277 * acconfig.h (NEED_DECLARATION_SBRK): New tag.
1278 * config.in, configure: Rebuild.
1279 * mips-tfile.c: Properly protect declaration of sbrk and free.
1280 * toplev.c: Properly protect declaration of sbrk.
1282 Sun Jan 18 20:18:01 1998 Richard Henderson <rth@cygnus.com>
1284 * alpha.c (alpha_handle_trap_shadows): Ignore CLOBBERs.
1286 Sun Jan 18 01:54:27 1998 Jeffrey A Law (law@cygnus.com)
1288 * alpha/xm-winnt.h (HAS_INIT_SECTION): Undefine.
1290 Sun Jan 18 00:57:35 1998 Mike Stump (mrs@wrs.com)
1292 * configure.in (i960-wrs-vxworks): Default to latest vxworks release.
1294 Sat Jan 17 23:41:36 1998 David S. Miller <davem@tanya.rutgers.edu>
1296 * combine.c (force_to_mode, nonzero_bits): Correctly optimize
1297 constant offset computations from objects with known alignment in
1298 the presence of STACK_BIAS.
1300 * varasm.c (immed_double_const): Add casts to HOST_WIDE_INT where
1302 (const_hash): Hash val is unsigned long.
1303 (SYMHASH): Likewise.
1305 * tree.c (TYPE_HASH): Type of hash val is unsigned long.
1307 * print-tree.c (print_node_brief): HOST_PTR_PRINTF format wants a
1308 char pointer, not HOST_WIDE_INT.
1309 (print_node): Likewise. Also hash is unsigned long not
1312 * cse.c (canon_hash): Hash is unsigned long not HOST_WIDE_INT.
1314 * explow.c (optimize_save_area_alloca): New function for targets
1315 where SETJMP_VIA_SAVE_AREA is true.
1316 (allocate_dynamic_stack_space): On SETJMP_VIA_SAVE_AREA targets,
1317 compute the amount of stack space needed should we find later that
1318 setjmp is never called by this function, stuff rtl for this inside
1319 a REG_NOTE of the final SET of stack_pointer_rtx.
1320 * toplev.c (rest_of_compilation): If SETJMP_VIA_SAVE_AREA and
1321 current_function_calls_alloca, call optimize_save_area_alloca.
1323 Sat Jan 17 23:22:59 1998 John Wehle (john@feith.com)
1325 * i386.md: Remove redundant integer push patterns.
1326 Don't bother checking for TARGET_PUSH_MEMORY when
1327 pushing constants or registers.
1329 Sat Jan 17 22:35:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
1330 J.J VanderHeijden <J.J.vanderHeijden@student.utwente.nl>
1332 * pexecute.c (pexecute): New function for mingw32. Supports pipes.
1333 (pwait): New function for mingw32.
1335 * gcc.c (execute): Mingw32 pexecute() supports pipes, but cygwin32
1336 pipe support is broken for now.
1338 1998-01-17 Lee Iverson <leei@Canada.AI.SRI.COM>
1340 * emit_rtl.c (init_emit_once): Ensure that potential aliasing
1341 between frame_pointer_rtx, hard_frame_pointer_rtx, and
1342 arg_pointer_rtx is respected in initialization.
1343 (init_emit_once): Use gen_rtx_raw_REG() to create
1344 return_address_pointer_rtx.
1346 * reorg.c: #include "expr.h" for rtx prototypes.
1347 * Makefile.in (reorg.o): Depend on expr.h
1349 Sat Jan 17 21:28:08 1998 Pieter Nagel <pnagel@epiuse.co.za>
1351 * Makefile.in (FLAGS_TO_PASS): Pass down gcc_include_dir and
1352 local_prefix to sub-make invocations.
1354 Sat Jan 17 21:24:16 1998 David T. McWherter <dtm@waterw.com>
1356 * objc-parse.c: Recognize protocol qualifiers in class definitions.
1358 Sat Jan 17 21:16:19 1998 Jeffrey A Law (law@cygnus.com)
1362 * acconfig.h (NEED_DECLARATION_ATOL): New declaration to check for.
1363 * configure.in: Check for atol.
1364 * rtl.c (atol): Only provide the declaration if NEED_DECLARATION_ATOL.
1366 * rtl.c (read_rtx): Initialize list_rtx to NULL, not NULL_RTX.
1368 * loop.c (find_and_verify_loops): When attempting to move insns from
1369 inside the loop outside the loop, create a BARRIER if no suitable
1372 * jump.c (jump_optimize): Remove Dec 17, 1997 chance in
1373 favor of an equivalent change from gcc-2.8.
1375 * i386/x-sco5 (CC): Remove trailing whitespace.
1377 Sat Jan 17 21:09:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1379 * gengenrtl.c (type_from_format): De-ANSIfy function signature.
1380 (accessor_from_format): Likewise.
1381 (xmalloc): New function for use when linking with alloca.o.
1383 Mon Jan 5 02:53:01 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
1385 * frame.c (find_fde): Correct FDE's upper bound.
1387 Fri Jan 16 16:23:52 1998 Richard Henderson <rth@cygnus.com>
1389 * gengenrtl.c (DEF_RTL_EXPR): Provide a K&R compliant version.
1391 Fri Jan 16 10:16:10 1998 Jeffrey A Law (law@cygnus.com)
1393 * calls.c (expand_call): Move #ifdef code out of macro argument
1395 (emit_library_call, emit_library_call_value): Likewise.
1397 Fri Jan 16 00:46:40 1998 Jeffrey A Law (law@cygnus.com)
1399 * rtl.def (INLINE_HEADER): Fix bug exposed by gen_rtx_FOO changes.
1401 Thu Jan 15 01:02:30 1998 Jeffrey A Law (law@cygnus.com)
1403 * version.c: Bump for snapshot.
1405 Wed Jan 14 22:49:17 1998 Richard Henderson <rth@cygnus.com>
1407 * alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO;
1408 change gen_rtx(expr...) to gen_rtx_fmt_foo(expr...).
1409 * caller-save.c, calls.c, combine.c, cse.c: Likewise.
1410 * dwarf2out.c, except.c, explow.c, expmed.c, expr.c: Likewise.
1411 * final.c, flow.c, function.c, genpeep.c, haifa-sched.c: Likewise.
1412 * halfpic.c, integrate.c, jump.c, local-alloc.c, loop.c: Likewise.
1413 * profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise.
1414 * reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise.
1415 * unroll.c, varasm.c: Likewise.
1416 * config/alpha/alpha.c, config/alpha/alpha.md: Likewise.
1418 Wed Jan 14 19:36:08 1998 Gavin Koch (gavin@cygnus.com)
1420 * mips.h: Fix some type-o's from a previous change.
1422 Wed Jan 14 01:26:05 1998 Jeffrey A Law (law@cygnus.com)
1424 * loop.c (check_dbra_loop): Make sure initial value is a
1425 CONST_INT before trying to normalize it.
1427 Tue Jan 13 23:27:54 1998 Robert Lipe (robertl@dgii.com)
1429 * sco5.h (ASM_OUTPUT_SECTION_NAME): Refresh from ../svr4.h.
1431 Tue Jan 13 22:47:02 1998 Herman ten Brugge <herman@htbrug.net.HCC.nl>
1433 * cppexp.c: Include gansidecl.h
1435 Tue Jan 13 22:43:35 1998 Ian Lance Taylor <ian@cygnus.com>
1437 * svr4.h (LINK_SPEC): Never specify -h.
1438 * ptx4.h (LINK_SPEC): Likewise.
1439 * rs6000/sysv4.h (LINK_SPEC): Likewise.
1440 * sparc/sol2.h (LINK_SPEC): Likewise.
1442 Tue Jan 13 22:39:40 1998 Richard Henderson (rth@cygnus.com)
1444 * c-typeck.c (comptypes): Exit early on NULL input.
1446 * haifa-sched.c (schedule_insns): Correctly remove inter-block
1447 dependencies after reload.
1449 Tue Jan 13 22:22:31 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
1451 * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__.
1453 Tue Jan 13 22:14:57 1998 Klaus Kaempf <kkaempf@progis.de>
1455 * alpha/vms.h (DIR_SEPARATOR): define
1457 Tue Jan 13 22:13:04 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
1459 * Makefile.in (stamp-proto): Remove.
1460 (protoize.o, unprotoize.o): Straightforward compile.
1461 * unprotoize.c: Define UNPROTOIZE here, not in the Makefile.
1463 Tue Jan 13 21:59:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
1465 * i386/cygwin32.h (STRIP_NAME_ENCODING): Define for Win32 to strip
1466 off the trailing @[NUM] added by ENCODE_SECTION_INFO.
1468 Tue Jan 13 21:55:06 1998 Jeffrey A Law (law@cygnus.com)
1470 * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now.
1471 * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise.
1472 * sparc/netbsd.h, vax/netbsd.h: Likewise.
1474 Tue Jan 13 21:37:07 1998 Shigeya Suzuki <shigeya@foretune.co.jp>
1476 * i386/bsd386.h (DWARF2_UNWIND_INFO): Define as zero for now.
1478 Tue Jan 13 17:50:55 1998 Jim Wilson <wilson@cygnus.com>
1480 * configure.in (target_cpu_default, target_cpu_default2): Use double
1481 quotes around them when testing their value.
1482 * configure: Rebuilt.
1484 Tue Jan 13 09:07:44 1998 John Carr <jfc@mit.edu>
1486 * gengenrtl.c (gencode): Emit new function obstack_alloc_rtx
1488 (gendef): Call obstack_alloc_rtx.
1490 Tue Jan 13 01:16:36 1998 Robert Lipe (robertl@dgii.com)
1492 * configure.in: (i[3456]86-UnixWare7-sysv5): Treat much like SVR4
1495 Thu Dec 18 18:40:17 1997 Mumit Khan <khan@xraylith.wisc.edu>
1497 * i386/mingw32.h (INCOMING_RETURN_ADDR_RTX): Delete. Use the value
1498 of DWARF2_UNWIND_INFO, if any, from i386/cygwin32.h instead.
1499 (STANDARD_INCLUDE_DIR): Change to /usr/local/i386-mingw32/include.
1501 Tue Jan 13 00:44:02 1998 Jim Wilson <wilson@cygnus.com>
1503 * mips.md (return_internal): Change mode from SImode to VOIDmode.
1505 Sat Jan 10 22:11:39 1998 J. Kean Johnston <jkj@sco.com>
1507 * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle
1510 Sat Jan 10 22:04:15 1998 Stan Cox <scox@equinox.cygnus.com>
1512 * i386.md: (movsicc_1, movhicc_1): For alternate 3 set the opcode
1513 suffix from operand 3.
1515 Sat Jan 10 21:50:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1516 Jeffrey A Law (law@cygnus.com)
1518 * regmove.c: New implementation of regmove pass.
1519 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2): Remove
1520 decls, make them have external linkage. Return a value from
1521 optimize_reg_copy_1.
1522 * reload.h (count_occurrences): Add decl.
1523 * reload1.c (count_occurrences): Delete decl, make it have external
1525 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Declare.
1527 Sat Jan 10 20:30:12 1998 Jeffrey A Law (law@cygnus.com)
1529 * regclass.c (record_address_regs): Don't use REG_OK_FOR_BASE_P
1530 if it is not defined.
1532 Thu Jan 8 21:06:54 1998 Richard Henderson <rth@cygnus.com>
1534 * Makefile.in (OBJ, GEN, RTL_H): Add genrtl.[oh] bits.
1535 * emit-rtl.c (gen_rtx): Move special code to ...
1536 (gen_rtx_CONST_INT): New function.
1537 (gen_rtx_REG): New function.
1538 (*): Update all calls to gen_rtx.
1539 * genemit.c (gen_exp): Emit calls to gen_rtx_FOO for constant FOO.
1540 * rtl.h: Include genrtl.h; prototype CONST_INT & REG generators.
1541 (GEN_INT): Call gen_rtx_CONST_INT.
1542 * gengenrtl.c: New file.
1544 Mon Jan 5 13:00:18 1998 John F. Carr <jfc@mit.edu>
1546 * alias.c (*_dependence): Call base_alias_check before canon_rtx.
1547 (base_alias_check): If no base found for address call canon_rtx and
1550 Mon Jan 5 11:39:49 1998 Jeffrey A Law (law@cygnus.com)
1552 * mips.c (mips_expand_prologue): Handle large frame with no outgoing
1553 arguments for mips16.
1554 (mips_expand_epilogue): Pass "orig_tsize" to save_restore_insns.
1555 Don't lose if tsize is zero after handling large stack for mips16.
1556 * mips.md (return): For trivial return, return address is in $31.
1558 Sun Jan 4 20:24:00 1998 Nigel Stephens <nigel@algor.co.uk>
1560 * mips/mips16.S: Various changes to make it work with -msingle-float
1563 Sun Jan 4 14:25:18 1998 Gavin Koch <gavin@cygnus.com>
1564 Ian Lance Taylor <ian@cygnus.com>
1565 Jeff Law <law@cygnus.com>
1567 * mips.c, mips.h, mips.md: First cut at merging in mips16
1568 support. Major modifications throughout all three files.
1570 Sun Jan 4 01:01:50 1998 scott snyder <snyder@d0sgif.fnal.gov>
1572 * configure.in: Make gthr-default.h a forwarding header instead of
1575 Sat Jan 3 12:08:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1577 * gcov-io.h: Include sys/types.h to ensure we get size_t.
1579 * pa.h (ASM_OUTPUT_MI_THUNK): Add missing % in fprintf.
1581 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
1582 Jeffrey A Law (law@cygnus.com)
1584 * crtstuff.c (__frame_dummy): New function for irix6.
1585 (__do_global_ctors): Call __frame_dummy for irix6.
1586 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
1588 Fri Jan 2 04:57:57 1998 Weiwen Liu <liu@hepmail.physics.yale.edu>
1590 * alpha.c (vms_valid_decl_attribute_p): Move within #if OPEN_VMS.
1592 Fri Jan 2 04:34:14 1998 Richard Henderson <rth@cygnus.com>
1594 * c-decl.c (init_decl_processing): Provide proper fallback symbol
1595 for __builtin_memset.
1596 * expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
1597 not INTEGER_CST. Assert arg 3 is a constant.
1599 * alpha.c (mode_width_operand): Accept 64-bit modes.
1600 (mode_mask_operand): Likewise.
1601 (print_operand): Likewise for 'M' and 'U' codes.
1602 (alpha_expand_unaligned_load): New function.
1603 (alpha_expand_unaligned_store): Likewise.
1604 (alpha_expand_unaligned_load_words): Likewise.
1605 (alpha_expand_unaligned_store_words): Likewise.
1606 (alpha_expand_block_move): Likewise.
1607 (alpha_expand_block_clear): Likewise.
1608 * alpha.h (MOVE_RATIO): New define.
1609 * alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
1610 (insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
1612 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
1613 (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.
1615 Thu Jan 1 15:40:15 1998 Richard Henderson <rth@cygnus.com>
1617 * configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
1618 * configure: Update.
1620 Thu Jan 1 10:49:12 1998 Jeffrey A Law (law@cygnus.com)
1622 * emit-rtl.c (operand_subword): Correctly handle extracting a word
1623 from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN.
1625 * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate
1628 Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com>
1630 * configure.in: Set and subsitute host_exeext. Use it when creating
1631 the assembler and linker symlinks.
1632 * configure: Rebuild.
1633 * Makefile.in (exeext): Set to @host_exeext@.
1634 (build_exeext): New variable, set to @build_exeext@.
1635 (FLAGS_TO_PASS): Pass down build_exeext.
1636 (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi*
1639 Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com)
1641 * mn10200.md (addsi3, subsi3): Fix thinkos.
1643 Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com>
1645 * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
1646 save+restore. Fix pic+big_offset delay slot. Use "pic" case for
1647 unix always, since we want to be able to thunk to functions in a
1648 shared library from an application.
1650 Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com>
1652 * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.
1653 (LIB1ASMSRC, LIB1ASMFUNCS): Define.
1655 Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com)
1657 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
1658 offset's mode is not ptr_mode, convert it.
1660 Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com>
1662 * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross
1663 compiling if it was already defined.
1665 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
1667 * flow.c (find_basic_blocks): Don't create a new basic block
1668 for calls in a LIBCALL block.
1670 Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu>
1672 * config/fp-bit.c (L_df_to_sf): Fix typo in last change.
1674 Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com)
1676 * cse.c (rtx_cost): Remove conflicting default case.
1678 Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com>
1680 * configure.in: Move default enabling of Haifa out of for loop.
1681 * configure: Rebuild.
1683 Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com)
1685 * version.c: Bump for snapshot.
1687 1997-12-25 Teemu Torma <tot@trema.com>
1689 * Makefile.in (GTHREAD_FLAGS): New var.
1690 (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
1691 (distclean): Remove gthr-default.h.
1693 * configure.in: Accept dce as a thread package.
1694 Check for thread.h and pthread.h.
1695 Link gthr-default.h to appropriate thread file and set
1697 (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
1698 include multilib definitions from pa/t-dce-thr.
1699 (sparc-*-solaris2*): Enable threads by default, if thread.h or
1700 pthread.h is found, preferring posix threads over solaris ones.
1702 * config/pa/t-dce-thr: New file.
1703 * config/pa/t-pa: Removed multilibs.
1704 * config/sparc/t-sol2: Ditto.
1707 * gthr-single.h: New file.
1708 * gthr-posix.h: New file.
1709 * gthr-solaris.h: New file.
1710 * gthr-dce.h: New file.
1711 * libgcc-thr.h: Removed.
1712 * objc/thr-dce.c: New file copied from thr-decosf1.c.
1714 * frame.c: Include gthr.h instead of libgcc-thr.h.
1715 * libgcc2.c: Include gthr.h instead of libgcc-thr.h.
1716 (eh_context_initialize): If __gthread_once fails, use static eh
1718 (eh_context_free): Call __gthread_key_dtor.
1720 Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com)
1722 * expr.h (MUST_PASS_IN_STACK): Allow target port to override.
1724 Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com>
1726 * cse.c (max_insn_uid): New variable.
1727 (cse_around_loop): Use max_insn_uid.
1728 (cse_main): Set max_insn_uid.
1730 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
1731 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
1732 -mlong64, and -mgp{32,64} options.
1733 * mips.c (mips_abi): Change type to int.
1734 * mips.h (enum mips_abi_type): Delete.
1735 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
1736 (mips_abi): Change type to int.
1738 Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu>
1740 * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
1741 optimization is now always enabled.
1743 * calls.c (expand_call): Recognize C++ operator new as malloc-like
1746 * alias.c (memrefs_conflict_p): Eliminate tests now done by
1748 (*_dependence): Call canon_rtx before base_alias_check.
1749 (init_alias_once): New function to precompute set of registers which
1750 can hold Pmode function arguments.
1752 * rtl.h: Declare init_alias_once.
1754 * toplev.c (compile_file): Call init_alias_once.
1756 Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com)
1758 * tree.c (restore_tree_status): Do not dereference a null pointer.
1760 Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com>:
1762 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to
1763 RLIMIT_STACK. This maintains consistency with the recent, similar
1764 patch to cccp.c and toplev.c.
1766 Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com>
1768 * genattrtab.c (expand_units): For large nr opclasses, expand
1769 function_units_used with ORX to prevent blowups. Tag with FFS.
1770 (num_unit_opclasses): New variable.
1771 (gen_unit): Update it.
1772 (enum operator): Add ORX_OP.
1773 (operate_exp): Treat ORX as or, except don't expand across an if.
1774 Reuse number rtx's after operating on them.
1775 (check_attr_value): Accept IOR, AND, & FFS.
1776 (write_test_expr): Transmute `in_comparison' to `flags'. Allow
1777 for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE.
1778 (write_expr_attr_cache, write_toplevel_expr): New functions.
1779 (write_attr_get): Handle FFS-tagged expressions.
1780 (make_canonical): Don't expand const attributes.
1781 (convert_const_symbol_ref): Dike out.
1782 (evaluate_eq_attr): Handle SYMBOL_REF.
1783 (main): Don't emit get_attr_foo for const attributes.
1785 * alpha.c (override_options): Reinstate PROCESSOR_EV6.
1786 (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests.
1787 * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly.
1788 * alpha.md: Redo all of the scheduling, adding EV6 support, and
1789 combining function units where possible.
1790 (attr "type"): Split loads, stores, cmov into int/fp. Combine
1791 multiplies and divides. Add EV6 sqrt, ftoi, itof.
1792 (attr "opsize"): New attribute.
1793 (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns.
1794 (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX
1795 to control register allocation.
1796 (movsi2-1, movdi2-1): Likewise.
1798 Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com>
1800 * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
1801 MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
1802 Move OSF/1 specific defines out.
1803 * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
1804 Move Linux specific defines out.
1805 (LINK_SPEC): Genericize.
1806 (ASM_FILE_START): Emit .arch if using more than the base insn set.
1807 (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
1808 (SDB_DEBUGGING_INFO): Remove; gas can't handle it.
1809 (HANDLE_SYSV_PRAGMA): Define.
1810 * alpha/osf.h: New file.
1811 * alpha/linux.h: Split. Retain file-format independant defines.
1812 Import Linux bits from elf.h.
1813 (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
1814 (FUNCTION_PROFILER): _mcount takes its address in $28.
1815 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
1816 * alpha/linux-ecoff.h: New file.
1817 * alpha/linux-elf.h: New file.
1818 * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
1819 * alpha/win-nt.h (TARGET_DEFAULT): Define.
1820 * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
1821 Add new headers as appropriate.
1823 * configure.in (alpha*): Enable Haifa by default.
1824 (*-*-winnt3*): Change to winnt*, since we're not v3 specific.
1825 * configure: Rebuild.
1827 Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com>
1829 * Makefile.in (clean): Remove the stages with their objects here ...
1830 (distclean): ... instead of here.
1832 Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1834 * cse.c (rtx_cost): Add default case in enumeration switch.
1835 * fix-header.c (recognized_macro): Likewise.
1836 (recognized_extern): Likewise.
1837 (write_rbrac): Likewise.
1838 * objc/objc-act.c (encode_aggregate): Likewise.
1839 (gen_declarator): Likewise.
1840 (gen_declspecs): Likewise.
1842 Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com)
1844 * haifa-sched.c (create_reg_dead_note): Detect and handle another
1845 case where we kill more regs after sched than were killed before
1847 * sched.c (create_reg_dead_note): Similarly.
1849 Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com)
1851 * c-pragma.c: Include flags.h.
1853 Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu>
1855 * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything
1856 about system headers.
1857 (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32
1858 and also to resolve symbols in prefix.c.
1860 * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict
1861 between gansidecl.h and newlib's _ansi.h when building libgcc2.a,
1862 when the definitions in auto-config.h is not visible.
1863 (HAVE_BZERO): Likewise.
1864 (HAVE_BCMP): Likewise.
1865 (HAVE_RINDEX): Likewise.
1866 (HAVE_INDEX): Likewise.
1868 Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com)
1870 * pa.c (emit_move_sequence): Handle a function label source
1873 Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com
1875 * c-pragma.c (handle_pragma_token): Generate warning messages
1876 about unknown pragmas if warn_unknown_pragmas is set.
1878 * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
1879 line option to set variable: warn_unknown_pragmas.
1881 Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de>
1883 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the
1885 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'.
1887 Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com)
1889 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define.
1890 (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to
1891 generate more fine grained floating point emulation libraries.
1892 * config/fp-bit.c: Add protecting #ifdef to all functions so
1893 that they can be compiled separately. If !FINE_GRAINED_LIBRARIES,
1894 then compile all suitable functions.
1895 (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two
1896 underscores to avoid namespace pollution.
1897 * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c
1899 * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
1903 Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1904 Jeff Law <law@cygnus.com>
1906 * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
1908 * c-decl.c (finish_decl): Use parentheses around && within ||.
1909 * rtl.c: Include stdlib.h.
1910 (read_skip_spaces): Add parentheses around assignments used as
1912 (read_rtx): Initialize list_rtx.
1913 * cppexp.c (parse_number): Use || when operands are truth values.
1914 * alias.c (find_base_value): Add default case.
1915 (memrefs_conflict): Likewise.
1916 * combine.c (sets_function_arg_p): Likewise.
1917 * genemit.c (gen_exp): Likewise.
1918 * local-alloc.c (contains_replace_regs): Likewise.
1919 * rtlanal.c (jmp_uses_reg_or_mem): Likewise.
1920 * fold-const.c (fold_convert): Use "&&" for truth values.
1921 (fold): Add default case.
1922 * sdbout.c (sdbout_field_types): Fix typo in declaration.
1923 (sdbout_one_type): Add default case.
1924 * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
1925 (some_operand): Add default case.
1926 (input_operand): Likewise.
1927 (signed_comparison_operator): Likewise.
1928 (divmod_operator): Likewise.
1929 (alpha_set_memflags_1): Likewise.
1930 * reload1.c (reload_cse_simplify_operands): Ensure function
1931 always returns a value.
1932 * scan-decls.c (scan_decls): Likewise.
1933 * c-lex.c (skip_white_space): Fix typo in declaraion.
1934 * c-typeck.c (comp_target_types): Add parentheses around assignment
1935 used as truth value.
1936 (print_spelling): Likewise.
1937 (constructor_implicit, constructor_result): Remove unused variables.
1938 * collect2.c (scan_library): Protect prototype with
1939 #ifdef SCAN_LIBRARIES.
1940 * emit-rtl.c (find_line_note): Fix typo in declaration.
1941 * final.c (asm_insn_count): Protect prototype with
1942 #ifdef HAVE_ATTR_length.
1943 * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
1944 (try_pre_increment_1, try_pre_increment): Likewise.
1945 * regclass.c (auto_inc_dec_reg_p): Protect prototype with
1946 #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit.
1947 * gcov-io.h (__store_long, __write_long, __read_long): Fix
1948 unsigned/signed comparisons.
1949 * gcov.c (read_files): Remove unused "first_type" variable.
1950 (scan _for_source_files): Initialize s_ptr.
1951 (function_summary): Eliminate "%lf" formatting, use %ld for
1953 (output_data): Initialize branch_probs and last_line_num.
1954 Eliminate "%lf" formatting, use "%ld" for longs.
1956 Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com>
1958 * mips16.S: New file.
1960 * libgcc2.c (varargs): Handle mips16.
1962 * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
1964 * stmt.c (expand_end_case): Likewise.
1965 * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
1966 * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
1967 * rs6000.h, sh.h, tahoe.h, v850.h vax.h z8k.h: Likewise.
1969 Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1971 * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in
1972 the build directory.
1973 (libobjc.a): Update dependency list.
1974 (libobjc.dll): Likewise. Use libobjc_entry.o from the build
1976 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h.
1977 (objc.mostlyclean): Remove runtime-info.h.
1979 Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com>
1981 * tree.c (build_range_type): Allow creation of ranges with no maximum.
1982 * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE.
1983 * dwarf2out.c (add_subscript_info): Likewise.
1984 * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise.
1985 * sdbout.c (plain_type_1): Likewise.
1986 * stmt.c (pushcase_range, all_cases_count, node_has_high_bound):
1988 * fold-const.c (int_const_binop, fold_convert, make_range, fold):
1991 Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1993 * mips.c (fatal): Remove declaration.
1995 1997-12-18 Mark Mitchell <mmitchell@usa.net>
1997 * integrate.c (get_label_from_map): New function.
1998 (expand_inline_function): Use it. Initialize the label_map to
1999 NULL_RTX instead of gen_label_rtx.
2000 (copy_rtx_and_substitute): Use get_label_from_map.
2001 * integrate.h (get_label_from_map): New function.
2002 (set_label_from_map): New macro.
2003 * unroll.c (unroll_loop): Use them.
2004 (copy_loop_body): Ditto.
2006 Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com>
2008 * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined.
2009 (INIT_TARGET_OPTABS): Define.
2010 * mips/ecoff.h: Include gofast.h before mips.h.
2011 (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS.
2012 * mips/elf64.h: Likewise.
2013 * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define.
2015 Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com>
2017 * except.c: Remove register_exception_table{,_p}.
2019 Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com>
2021 * unroll.c (calculate_giv_inc): Handle constant increment found in
2022 a MEM with an appropriate REG_EQUAL note.
2024 * calls.c (expand_call): Implement LOAD_ARGS_REVERSED.
2026 * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the
2027 frame pointer in the prologue.
2029 Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com>
2031 * i386/x-sco5 (CLIB) Deleted. (ALLOCA) Added.
2032 * i386/xm-sco5.h (USE_C_ALLOCA) Added.
2034 Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com>
2036 * config/m68k/m68k.c (output_function_prologue): Typecast
2037 dwarf2out_cfi_label to (char *).
2038 * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "".
2040 Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com>
2042 * sparc.md (jump): Don't use the annul bit around an empty loop.
2043 Patch from Kevin.Kelly@East.Sun.COM.
2045 Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com)
2047 * jump.c: (jump_optimize): Don't use the return register as a
2048 source1 of a conditional move.
2050 Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com>
2052 * sparc.c (DF_MODES): Or the mask not the bit number.
2053 (function_arg) [ARCH64]: Send unprototyped arg to fp reg first.
2055 Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
2057 * combine.c (force_to_mode): return immediately if operand is a CLOBBER.
2059 Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de>
2061 * fixincludes (size_t): Add support for Motorola's stdlib.h
2062 which fails to provide a definition for size_t.
2063 (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3.
2064 (strlen,strspn,strcspn return value): Handle different layout on sysV88.
2065 (hypot): Provide a fake for hypot for m88k-motorola-sysv3.
2067 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
2068 prevent unresolved externals in libio.
2069 * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise.
2071 Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org)
2073 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
2074 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
2075 (LIB_SPEC): Updated for glibc 2.
2077 Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com)
2079 * ginclude/stdarg.h: Undo BeOS changes, they break hpux.
2080 * ginclude/varargs.h: Likewise.
2082 Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com)
2084 * version.c: Bump for snapshot.
2086 Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org)
2088 * frame.h (__register_frame, __register_frame_table,
2089 __deregister_frame): New.
2090 * frame.c (__register_frame, __register_frame_table,
2091 __deregister_frame): New.
2092 * frame.c (__deregister_frame_info): Return void *.
2093 * frame.h (__deregister_frame_info): Ditto.
2094 * collect2.c (__deregister_frame_info): Ditto.
2096 Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com>
2098 * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG.
2100 Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com>
2102 * alpha.c (alpha_cpu_name): New variable.
2103 (alpha_mlat_string): Likewise.
2104 (alpha_memory_latency): Likewise.
2105 (override_options): Handle -mmemory-latency.
2106 (alpha_adjust_cost): Adjust load cost for latency.
2107 * alpha.h (TARGET_OPTIONS): Add meory-latency.
2108 (REGISTER_MOVE_COST): Define in terms of memory_latency. Take
2109 TARGET_CIX into account.
2110 (MEMORY_MOVE_COST): Define in terms of memory_latency.
2111 * invoke.texi (DEC Alpha Options): Document -mmemory-latency.
2113 * alpha.h (ASM_COMMENT_START): New macro.
2115 Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com>
2117 * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c,
2118 dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change.
2120 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
2121 SUBREG_REG if the word count is unchanged.
2122 * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve
2123 subregs of identical word size for push_reload.
2125 Mon Dec 15 Mark Mitchell <mmitchell@usa.net> 11:41:32 1997
2127 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
2128 if all we're doing is dealing with -Wreturn-type.
2130 Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com>
2132 * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2):
2133 Use and 255 instead of zapnot 1, since it schedules better.
2135 Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com)
2137 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
2140 Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com)
2142 * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on
2143 dependency we delete. Properly update prev for multiple consecutive
2145 (priority): Skip deleted dependence.
2147 Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com>
2149 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod.
2151 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
2153 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
2154 determining when a new basic block starts.
2156 * alpha/osf2or3.h (LIB_SPEC): Restore missing defn.
2158 * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS.
2159 * pa.md (iorsi3): Add missing args to *_operand calls.
2161 * except.c (call_get_eh_context): Don't mess with sequences.
2162 (emit_eh_context): Include the call in the sequence here.
2164 1997-12-11 Paul Eggert <eggert@twinsun.com>
2166 * collect2.c (write_c_file_glob): Allocate initial frame object
2167 in static storage and pass its address.
2169 Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com>
2171 * except.c (call_get_eh_context): Don't take a parm.
2172 Put the call at the top of the function.
2173 (emit_eh_context): Adjust.
2174 (get_eh_context): Replace with former use_eh_context.
2175 (get_eh_context_once, get_saved_pc_ref): Remove.
2176 (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove.
2178 * integrate.c (expand_inline_function): Adjust.
2179 * toplev.c (rest_of_compilation): Don't call emit_unwinder.
2181 Fri Oct 10 17:58:31 CEST 1997 Marc Lehmann <pcg@goof.com>
2183 * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define.
2184 (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise.
2186 Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de>
2188 * fixincludes (strlen,strspn,strcspn return value): Handle different
2190 (hypot): Provide a fake for hypot which is broken on
2191 m88k-motorola-sysv3.
2193 Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu>
2195 * tree.c, tree.h: Change tree_code_type, tree_code_length, and
2196 tree_code_name from pointers to arrays.
2197 * tree.c: Remove standard_tree_code_* variables, no longer used.
2198 * print-tree.c: Remove declaration of tree_code_name.
2200 * cp/lex.c (init_lex): Update for tree_code_* changes.
2201 * objc/objc-act.c (init_objc): Likewise.
2203 * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code
2206 Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com>
2208 * config.sub: Add support for BeOS target.
2209 * configure.in: Likewise.
2210 * ginclude/stdarg.h: Likewise.
2211 * ginclude/stddef.h: Likewise.
2212 * ginclude/varargs.h: Likewise.
2213 * rs6000/beos.h: New file for BeOS.
2214 * rs6000/t-beos: Likewise.
2215 * rs6000/x-beos: Likewise.
2216 * rs6000/xm-beos.h: Likewise.
2217 * toplev.c (get_run_time): Just return 0 on BeOS.
2219 Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com)
2220 Toon Moene (toon@moene.indiv.nluug.nl)
2222 * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly
2223 old and broken Sun3 assemblers. Newer versions handle large
2224 offsets correctly as does the GNU assembler.
2226 Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2228 * objc/objc-act.c (lang_report_error_function): Disable.
2229 * objc/objc-parse.y: Include "output.h".
2230 (yyerror): Remove redundant decl.
2231 (yyprint): Fix prototype.
2232 (apply_args_register_offset): Remove redundant decl.
2233 (get_file_function_name): Likewise.
2235 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
2237 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
2239 (find_basic_blocks_1): Likewise.
2241 Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com>
2243 * except.c (use_eh_context): Don't copy_rtx a REG.
2244 (emit_throw): Lose old unwinder support.
2245 (expand_internal_throw): Likewise.
2246 * libgcc2.c (struct eh_context): Likewise.
2247 (new_eh_context): Likewise.
2248 (__get_eh_info): Lose redundant cast.
2249 (__get_dynamic_handler_chain): Likewise.
2250 (__get_saved_pc): Lose.
2251 Lose all old unwinder support code.
2253 Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com>
2255 Thread-safe EH support for pthreads, DCE threads and Solaris threads.
2257 * integrate.c (expand_inline_function): If the inline fn uses eh
2258 context, make sure that the current fn has one.
2259 * toplev.c (rest_of_compilation): Call emit_eh_context.
2260 * except.c (use_eh_context): New fn.
2261 (get_eh_context_once): New fn.
2262 (call_get_eh_context): New fn.
2263 (emit_eh_context): New fn.
2264 (get_eh_context): Call either get_eh_context_once or
2265 call_get_eh_context, depending on what we have.
2266 (get_dynamic_handler_chain): Call get_eh_context_once.
2267 * except.h: Prototypes for fns above.
2268 * optabs.c (get_eh_context_libfunc): Removed.
2269 (init_optabs): Don't initialize it.
2270 * expr.h (get_eh_context_libfunc): Removed.
2271 * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
2272 * config/pa/pa.h (CPP_SPEC): Support for -threads.
2273 * config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
2274 * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
2275 New multilib for -threads.
2276 * config/sparc/t-sol2: Added multilibs for -threads and
2277 made -pthreads alias to it.
2278 * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
2279 Added -threads and -pthreads options.
2280 * libgcc-thr.h: New file.
2281 * libgcc2.c: (__get_cpp_eh_context): Removed.
2282 (struct cpp_eh_context): Removed.
2283 (struct eh_context): Replaced cpp_eh_context with generic language
2285 (__get_eh_info): New function.
2286 (__throw): Check eh_context::info.
2288 * libgcc2.c: Include libgcc-thr.h.
2289 (new_eh_context, __get_eh_context,
2290 eh_pthread_initialize, eh_context_initialize, eh_context_static,
2291 eh_context_specific, eh_context_free): New functions.
2292 (get_eh_context, eh_context_key): New variables.
2293 (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
2294 get_eh_context to get the context.
2295 (longjmp): Move the declaration inside
2296 #ifdef DONT_USE_BUILTIN_SETJMP.
2297 * frame.c: Include libgcc-thr.h.
2298 (object_mutex): Mutex to protect the object list.
2299 (find_fde, __register_frame, __register_frame_table,
2300 __deregister_frame): Hold the lock while accessing objects.
2301 * except.h (get_eh_context): Declare.
2302 * except.c (current_function_ehc): Define.
2303 (current_function_dhc, current_function_dcc): Removed.
2304 (get_eh_context): New function.
2305 (get_dynamic_handler_chain): Use get_eh_context.
2306 (get_saved_pc_ref): Ditto.
2307 (get_dynamic_cleanup_chain): Removed references to
2308 current_function_dcc.
2309 (save_eh_status, restore_eh_status): Save and restore
2310 current_function_ehc instead.
2311 * optabs.c (get_eh_context_libfunc): New variable.
2312 (init_optabs): Initialize it.
2313 * expr.h: Declare get_eh_context_libfunc.
2314 * function.h (struct function): Replaced dhc and dcc with ehc.
2315 * except.c (get_saved_pc_ref): New functions.
2316 (eh_saved_pc_rtx, eh_saved_pc): Deleted.
2317 (expand_internal_throw_indirect): Use get_saved_pc_ref() instead
2319 (end_eh_unwinder): Likewise.
2320 (init_eh): Remove initialization of eh_saved_pc.
2321 * optabs.c (get_saved_pc_libfunc): New variable.
2322 (init_optabs): Initialize it.
2323 * expr.h: Declare get_saved_pc_libfunc.
2324 * except.h (eh_saved_pc_rtx): Deleted.
2325 (get_saved_pc_ref): Declared.
2327 From Scott Snyder <snyder@d0sgif.fnal.gov>:
2328 * libgcc2.c (__get_saved_pc): New.
2329 (__eh_type, __eh_pc): Deleted.
2330 (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
2331 (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
2334 Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu>
2336 * sparc/sol2.h: Use 64 bit multiply and divide functions in
2337 Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE
2340 * rtl.h (global_rtl): New variable, replacing separate variables for
2342 (const_int_rtx): Now array of rtx_def, not rtx.
2343 * emit-rtl.c: Update for new rtl data structures.
2344 * genattrtab.c: Define global_rtl.
2346 Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu>
2348 * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by
2351 Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com>
2353 * crtstuff.c (__do_global_ctors): Fix typo.
2355 Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de>
2357 * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
2358 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
2360 Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu>
2362 * rs6000.h (FUNCTION_ARG_PADDING): Define.
2363 * rs6000.c (function_arg_padding): New function.
2365 Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de>
2367 * m68k.c: Include tree.h only once.
2369 Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2371 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
2373 Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com)
2375 * Partially cleaned up prototyping code from HJ.
2376 * tree.h: Add many prototypes.
2377 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
2378 All references changed.
2379 * rtl.h: Protect from multiple inclusions. Add many prototypes.
2381 Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com>
2383 * libgcc2.c (string.h): Hoist inclusion to occur before first use of
2384 string functions like strlen.
2386 Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de>
2388 * configure.in: Check for functions getrlimit and setrlimit.
2389 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
2390 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
2392 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
2394 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
2396 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
2398 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
2401 * alpha.c (override_options): Don't know about scheduling for EV6.
2402 * alpha.md (ev5 function units): Don't overload as ev6.
2404 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
2405 * alpha.md (define_attr type): Add mvi.
2406 (ev5_e0): Define sceduling parameters for it.
2407 (TARGET_MAX insns): Type is mvi not shift.
2409 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
2411 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
2413 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2415 * cstamp-h, auto-config.h: Delete.
2417 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
2419 * version.c: Bump for snapshot.
2421 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
2423 * cccp.c: Fix typo brought over in merge.
2425 * Merge in changes from gcc-2.8.
2427 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
2429 * m68k.c: Include tree.h for dwarf2out_cfi_label.
2431 * gcc.c (process_command): Do not take address of function fatal when
2432 calling lang_specific_driver.
2434 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
2436 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
2437 doesn't work with it yet, so set it to 0.
2438 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
2440 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
2442 * cse.c (cse_insn): Check for invalid entries when taking references.
2444 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2446 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
2447 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
2448 * toplev.c (rest_of_compilation): Pass it. Remove code to
2449 save / clear / restore flag_unroll_{,all_}loops.
2451 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
2453 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
2455 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
2457 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
2459 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
2461 * except.c (get_dynamic_handler_chain): Only make the call once per
2464 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
2466 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2468 * sh.c (final_prescan_insn): Use local label prefix
2469 when emitting .uses pseudo-ops.
2471 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
2473 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
2474 * except.c: Lose outer_context_label_stack.
2475 (expand_eh_region_end): Rethrow from outer_context here.
2476 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
2477 (expand_internal_throw): Take no args.
2478 (expand_internal_throw_indirect): Lose.
2479 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
2480 (expand_start_all_catch): Start a rethrow region.
2481 (expand_end_all_catch): End it.
2482 (expand_rethrow): New fn.
2483 * except.h: Reflect above changes.
2484 * flow.c: Revert change of Nov 27.
2486 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
2488 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
2490 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
2492 * except.c (expand_fixup_region_end): New fn.
2493 (expand_fixup_region_start): Likewise.
2494 (expand_eh_region_start_tree): Store cleanup into finalization here.
2495 * stmt.c (expand_cleanups): Use them to protect fixups.
2497 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
2499 * mips/mips.md (muldi3_r4000): Broaden the output template
2500 and attribute assignments to handle three operand dmult;
2501 rename to muldi3_internal2.
2502 (muldi3): Call the new muldi3_internal2 for R4000, and
2503 any GENERATE_MULT3 chip.
2505 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
2507 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
2509 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
2511 * unroll.c (find_splittable_givs): Remove last change. Handle givs
2512 with a dest_reg that was created by loop.
2514 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
2516 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
2518 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
2520 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
2522 * configure.in: Fix NCR entries.
2524 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
2526 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
2527 nested exceptions correctly.
2529 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
2530 that was created by loop.
2532 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
2534 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
2536 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
2538 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
2540 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
2541 (print_operand): Use SMALL_DATA_REG for the register involved in
2542 small data relocations.
2543 (print_operand_address): Ditto.
2545 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
2546 -dynamic linker is not used.
2548 * rs6000.md (call insns): For local calls, use @local suffix under
2549 System V. Don't use @plt under Solaris.
2551 * rs6000.c (output_function_profiler): Put label address in r0, and
2552 store LR in 4(sp) for System V/eabi.
2554 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
2555 byte boundary, and maintain stack backchain.
2557 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
2559 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
2560 fix_truncsfdi2): Change *.
2562 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
2564 * toplev.c (main): Complain about -gdwarfn.
2566 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
2568 * dwarfout.c (output_type): If finalizing, write out nested types
2569 of types we've already written.
2571 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
2573 (patches originally from Geoffrey Keating)
2574 * rs6000.c (function_arg): Excess floating point arguments don't
2575 go into GPR registers after exhausting FP registers under the
2577 (function_arg_partial_nregs): Ditto.
2579 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
2582 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
2584 * integrate.c (output_inline_function): Just unset DECL_INLINE.
2586 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
2588 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
2591 * libgcc2.c (__throw): Initialize HANDLER.
2593 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
2595 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
2596 fix_truncsfdi2): Change *X to ?*X.
2598 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
2600 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
2602 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
2604 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
2606 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
2608 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
2610 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
2612 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
2613 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
2616 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
2618 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
2619 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
2620 gas and not using the new HP assembler.
2622 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
2624 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
2625 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
2627 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
2629 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
2630 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
2633 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
2635 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
2637 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
2639 * except.h: Add outer_context_label_stack.
2640 * except.c: Likewise.
2641 (expand_start_all_catch): Push the outer_context for the try block
2642 onto outer_context_label_stack.
2643 (expand_end_all_catch): Use it and pop it.
2645 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
2647 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
2649 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
2651 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
2653 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
2655 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
2656 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
2658 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
2660 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
2661 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
2662 __builtin_delete, and __builtin_vec_delete.
2664 * except.c (output_exception_table): Don't bother with
2667 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
2669 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
2670 is an in/out operand.
2671 (zero extended variants of stwm/stwm patterns): Similarly.
2673 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
2675 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
2677 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
2679 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
2680 (output_call_frame_info): Emit a \n after using it.
2682 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
2684 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
2686 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
2688 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
2689 (ASM_OUTPUT_DWARF_VALUE4): New macro.
2690 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
2692 (output_call_frame_info): Do not output forward label differences
2693 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
2694 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
2696 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2698 * sh.md (attribute "type"): Add nil.
2699 (movsi_ie): y/y alternative is type nil.
2700 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
2702 (movsf_ie+1): Delete.
2704 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
2706 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
2707 large_int, emit two insns instead of one splitable insn.
2708 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
2709 from cfa_temp_value, use cfa_offset. Add assert checking that
2712 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
2714 * cccp.c (deps_output): Properly quote file names for make.
2716 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
2718 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
2720 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
2722 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
2724 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
2726 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
2728 (cse_end_of_basic_block): Similarly.
2730 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
2732 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
2733 (SELECT_RTX_SECTION): Define.
2734 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
2736 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
2738 * Makefile.in (compare, compare-lean): Define $stage for each
2740 (gnucompare, gnucompare-lean): Likewise.
2742 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
2744 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
2746 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
2747 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
2749 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
2751 * dwarfout.c (byte_size_attribute): Add local var upper_bound
2752 and add case to handle STRING_TYPE.
2753 * dwarfout.c (output_string_type_die): Fix code to generate
2754 correct string length attribute for fixed length strings.
2755 Still needs support for varying length strings.
2757 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
2759 * toplev.c (get_run_time): Do something sensible for cygwin32.
2761 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
2763 * expr.c (expand_builtin_setjmp): Set
2764 current_function_has_nonlocal_label.
2765 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
2766 call-saved registers across calls.
2768 * alpha.md (exception_receiver): Remove.
2769 (nonlocal_goto_receiver_osf): New
2770 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
2771 (nonlocal_goto_receiver): New, select _osf or _vms.
2773 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
2774 keep them from being propogated to the object file.
2775 (alpha_write_linkage): Likewise.
2776 * alpha.md (call_vms): Likewise.
2777 (call_value_vms): Likewise.
2778 (unnamed osf call insns): Likewise.
2780 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
2781 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
2783 * alpha.c (call_operand): Any reg is valid for WinNT.
2784 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
2785 (anon nt calls): Add 'R' alternative.
2786 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
2787 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
2789 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
2791 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
2793 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
2794 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
2795 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
2797 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
2799 * reload1.c (new_spill_reg): Improve fixed or forbidden register
2800 spill error message.
2802 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2804 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
2805 use varargs.h. Wrap header with <>, not "".
2807 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
2809 * integrate.c (save_for_inline_copying): Add return value from
2812 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
2814 * fixincludes: Be a little more restrictive on what we will
2815 substitute to replace definitions of MAXINT for HPUX.
2817 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
2819 * dbxout.c (dbxout_symbol_location): Don't assume that variables
2820 whose address is the stack or argument pointers are indirect
2823 1997-11-13 Paul Eggert <eggert@twinsun.com>
2825 * cccp.c, cpplib.c (compare_defs):
2826 Don't complain about arg name respellings unless pedantic.
2827 * cpplib.c (compare_defs): Accept pfile as new arg.
2828 All callers changed.
2830 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2832 * fold-const.c (fold_truthop): Fix bug in last change.
2834 1997-11-13 Paul Eggert <eggert@twinsun.com>
2836 Fix some confusion with IEEE minus zero.
2838 * real.h (REAL_VALUES_IDENTICAL): New macro.
2840 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
2841 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
2843 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
2844 same tree structure as 0.0.
2846 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
2847 macro instead of doing it by hand.
2849 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
2851 * v850/lib1funcs.asm: Minor whitespace changes.
2852 * v850.c: Fix minor formatting problems in many places.
2853 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
2855 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
2857 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
2858 xplus1 when xplus0 is not a register.
2860 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
2862 * flow.c (find_basic_blocks): During marking phase, if we encounter
2863 an insn with a REG_LABEL note, make the target block live and
2864 create an edge from the insn to the target block. Do not make
2865 edges from all blocks to the target block.
2867 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
2869 * confiugre.in: Tweak NCR entries.
2870 * configure: Rebuilt.
2872 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
2874 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
2875 pick apart floating point values, instead of using CONST_DOUBLE_LOW
2876 and CONST_DOUBLE_HIGH.
2878 * rs6000.md (define_splits for DF constants): Use the appropriate
2879 REAL_VALUE_* interface to pick apart DF floating point constants in
2880 a machine independent fashion.
2882 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2884 * fold-const.c (fold_truthop): When changing a one-bit comparison
2885 against zero into a comparison against mask, do a proper sign
2888 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
2890 * except.c: Do not include "assert.h".
2891 (save_eh_status): Turn asserts into conditional aborts.
2892 (restore_eh_status, scan_region): Likewise.
2893 * dwarfout.c: Do not include "assert.h".
2894 (bit_offset_attribute): Turn asserts into conditional aborts.
2895 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
2896 (output_inlined_structure_type_die): Likewise.
2897 (output_inlined_union_type_die): Likewise
2898 (output_tagged_type_instantiation): Likewise.
2899 (dwarfout_file_scope_decl): Likewise.
2900 * dwarf2out.c: Do not include "assert.h"
2901 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
2902 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
2903 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
2904 (add_bit_size_attribute, scope_die_for): Likewise.
2905 (output_pending_types_for_scope): Likewise.
2906 (get_inlined_enumeration_type_die): Likewise.
2907 (get_inlined_structure_type_die): Likewise.
2908 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
2909 (gen_tagged_type_instantiation_die): Likewise.
2911 * flow.c (find_basic_blocks): Refine further to get a more correct
2912 cfg, especially in the presense of exception handling, computed
2913 gotos, and other non-trivial cases. Call abort if an inaccuracy
2914 is detected in the cfg.
2916 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2918 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
2920 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
2921 (skip_white_space): Use whitespace_cr.
2922 (check_newline): Handle whitespace more consistently.
2924 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
2926 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
2927 * i386/xm-cygwin32.h (POSIX): Define.
2929 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
2931 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
2932 is available elsewhere.
2934 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
2936 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
2937 what the instruction can handle.
2939 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
2941 * stmt.c (expand_decl_cleanup_no_eh): New fn.
2943 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
2945 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
2947 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
2948 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
2950 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
2952 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
2953 swap instruction order.
2955 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
2957 * fixinc.svr4 (__STDC__): Add another case.
2959 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2961 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
2962 addresses in the epilogue delay slot.
2964 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
2966 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
2967 in generated `specs' file.
2969 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
2971 * flags.h (flag_rerun_loop_opt): Declare.
2972 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
2973 * toplev.c (flag_rerum_loop_opt): Delete static.
2975 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2977 Bring over from FSF:
2979 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2981 * va-sh.h (__va_arg_sh1): Define.
2983 SH3E doesn't use any integer registers for subsequent arguments
2984 once a non-float value was passed in the stack.
2985 * sh.c (machine_dependent_reorg): If optimizing, put explicit
2986 alignment in front label for ADDR_DIFF_VEC.
2987 * sh.h (PASS_IN_REG_P): Fix SH3E case.
2988 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
2990 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2992 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
2995 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2997 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
2998 put an use_sfunc_addr before each sfunc.
2999 * sh.md (use_sfunc_addr, dummy_jump): New insns.
3000 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
3002 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3004 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
3006 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
3008 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
3011 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
3013 * alias.c (find_base_value): Only return the known base value for
3016 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
3018 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
3019 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
3021 (prologue_get_pc_and_set_got): New pattern.
3023 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
3025 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
3026 for SUBREG, just fall through.
3028 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
3030 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
3032 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
3034 * fixincludes: Fix "hypot" prototype in NeXT math.h.
3036 * Makefile.in (USE_ALLOCA): Always include alloca.o.
3037 (USE_HOST_ALLOCA): Likewise.
3039 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
3040 and LABEL_REFS fields.
3041 * rtl.h (LABEL_REFS): Update.
3043 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
3045 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
3046 sets i2dest. When calling distribute_notes for i3dest_killed, pass
3047 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
3050 * mips.md (insv, extzv, extv): Add change_address call.
3051 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
3053 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
3055 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
3057 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
3058 save_restore_insns if no FP and GP will be restored.
3060 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
3061 Convert CCmode to word_mode before calling GET_MODE_SIZE.
3063 * acconfig.h (HAVE_INTTYPES_H): Undef.
3064 * configure.in (inttypes.h): Check for conflicts between sys/types.h
3065 and inttypes.h, and verify that intmax_t is defined.
3066 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
3067 * config/mips/x-iris3: Likewise.
3069 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
3071 * alias.c (find_base_value): When copying arguments, return the
3072 tenative value for a hard register.
3074 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
3076 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
3077 (yylex): Record wide strings using target endianness, not host.
3079 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
3081 * mn10200.h (ASM_OUTPUT_BSS): Delete.
3082 (ASM_OUTPUT_ALIGNED_BSS): New macro
3083 * mn10300.h (ASM_OUTPUT_BSS): Delete.
3084 (ASM_OUTPUT_ALIGNED_BSS): New macro.
3085 * v850.h (ASM_OUTPUT_BSS): Delete.
3086 (ASM_OUTPUT_ALIGNED_BSS): New macro.
3088 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3090 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
3092 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
3094 * configure.in (sco5): Use cpio to install header files.
3096 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
3098 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
3100 * configure: Rebuild.
3102 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
3104 * i386/sco5.h: enable -gstabs once again.
3106 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
3108 * arm.c (output_move_double): Allocate 3 entries in otherops array.
3110 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
3112 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
3113 notes for sjlj exceptions too.
3114 (expand_eh_region_end): Similarly for EH_REGION_END notes.
3115 (exception_optimize): Optimize EH regions for sjlj exceptions too.
3116 * final.c (final_scan_insn): Don't output labels for EH REGION
3117 notes if doing sjlj exceptions.
3119 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
3121 * alias.c (init_alias_analysis): Handle -fno-alias-check when
3122 optimizing correctly.
3124 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
3125 or set current_function_calls_setjmp anymore.
3127 * flow.c (find_basic_blocks): If we delete the label for an
3128 exception handler, remove it from the EH label list and remove
3129 the EH_BEGIN/EH_END notes for that EH region.
3131 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
3133 * flow.c (find_basic_blocks): Generate correct flow control
3134 information when exception handling notes are present.
3136 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
3138 * dwarf2out.c (output_call_frame_info): Fix length argument
3139 to ASM_OUTPUT_ASCII.
3140 (output_die, output_pubnames, output_line_info): Likewise.
3142 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
3144 * version.c: Bump for snapshot.
3146 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
3147 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
3148 flag_debug_asm is on.
3149 (output_die, output_pubnames, output_line_info): Likewise.
3151 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
3152 and static_chain_rtx into the potential base values array if
3155 * alias.c (new_reg_base_value): New array of potential base values.
3156 (unique_id): Now file scoped static.
3157 (find_base_value, case REG): Return the value in reg_base_value
3158 array for the REG if it exists. Else, return the value from
3159 new_reg_base_value if copying args and REG is a hard register.
3160 (find_base_value, case PLUS): If either operand of the PLUS is
3161 a REG, try to get its base value. Handle base + index and
3163 (record_set): Use new_reg_base_value instead of reg_base_value.
3164 (init_alias_analysis): Allocate space for new_reg_base_value too.
3165 Rework code to iterate over the insns propagating base value
3166 information until nothing changes.
3168 * global.c (global_alloc): Free the conflict matrix after
3169 reload has finished.
3171 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
3173 * libgcc2.c (L_eh): Define __eh_pc.
3174 Replace __eh_type with generic pointer __eh_info.
3176 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
3178 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
3179 use copy_to_reg if address is not a general_operand.
3181 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3183 * profile.c (output_func_start_profiler): Clear flag_inline_functions
3184 for the duration of the call to rest_of_compilation.
3186 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
3188 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
3190 (sparc*-*-*): Recognize --with-cpu=v9.
3191 * sparc/elf.h: New file.
3192 * sparc/t-elf: New file.
3194 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
3196 * mn10300.c (const_8bit_operand): New function.
3197 (mask_ok_for_mem_btst): New funtion.
3198 * mn10300.md (btst patterns with mem operands): Use new functions
3199 to avoid creating btst instructions with invalid operands.
3201 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
3203 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
3204 are running on PowerPC Linux.
3206 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
3208 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
3209 if not previously defined.
3211 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
3213 * function.c (assign_parms): Correct mode of stack_parm if
3214 entry_parm underwent a mode conversion.
3216 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
3218 * global.c (global_alloc): Use xmalloc instead of alloca for
3219 CONFLICTS, since max_allocno * allocno_row_words alone can be more
3220 than 2.5Mb sometimes.
3222 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
3224 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
3225 DEST for the spill, adjust mode of SRC to compensate.
3227 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
3229 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
3230 since any_memory_operand() allows pseudos during reload.
3231 (reload_inhi, reload_outqi, reload_outhi): Likewise.
3233 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
3235 * m68k.md (btst patterns): Add 5200 support.
3237 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
3239 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
3240 optimizations, look inside dividend to determine if the expression
3241 can be simplified by using EXACT_DIV_EXPR.
3243 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
3246 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
3248 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
3250 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
3252 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
3254 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
3257 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
3259 * alpha.md (movqi, movhi): Make sure new insns created during reload
3260 won't need reloading themselves.
3261 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
3263 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
3265 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
3267 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
3269 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
3270 Patch from Klaus Kaempf <kkaempf@progis.de>.
3272 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
3274 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
3275 to an element in a constant string.
3277 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
3279 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
3280 bit PC-relative offset. The exception range table pointer is now in
3282 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
3283 (count_fdes, add_fdes, get_cie): Adjust.
3284 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
3287 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
3289 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
3291 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
3292 like stack_pointer_rtx.
3294 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
3296 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
3297 targets using "$@" to provide support for similar but not identical
3298 targets without having to duplicate code.
3299 (bootstrap4): New goal.
3301 * Makefile.in (compare, compare-lean, compare3): Combined to one
3302 ruleset determining actions to be performed via $@.
3303 (compare4, compare4-lean): New targets.
3304 (gnucompare, gnucompare3): Combined to one ruleset determining
3305 actions to be performed via $@. Also, note which files failed
3306 the comparison test in .bad_compare.
3307 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
3309 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
3311 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
3312 if the dividend is a multiple of the divisor.
3314 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
3316 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
3318 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
3321 * alias.c (true_dependence): Fix typo.
3323 * toplev.c (flag_rerun_loop_opt): New variable.
3324 (f_options): Handle -frerun-loop-opt.
3325 (rest_of_compilation): If -frerun-loop-opt, then run the loop
3327 (main): Enable -frerun-loop-opt by default for -O2 or greater.
3329 * loop.c (simplify_giv_expr): Adding two invariants results
3332 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
3334 * expr.c (get_inner_reference): Remove the array bias after
3335 converting the index to Pmode.
3337 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
3339 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
3340 (TARGET_MULT_BUG): Define.
3341 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
3342 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
3344 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
3346 * mn10200.c (indirect_memory_operand): Delete unused function.
3347 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
3348 * mn10200.md (bset, bclr insns): Handle output in a reg too.
3350 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
3352 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
3353 the callee's ldgp, we must do it ourselves, and we use the jsr tag
3354 for more than scheduling.
3356 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
3358 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
3360 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
3362 * mn10300.c (symbolic_operand, legitimize_address): New functions.
3363 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
3364 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
3366 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
3368 * version.c: Bump for snapshot.
3370 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3372 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
3375 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
3377 * toplev.c (flag_exceptions): Default value is 2.
3378 (compile_file): If flag_exceptions still has the value 2, then
3381 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
3382 (rs6000_save_machine_status): Save pic_offset_table_rtx.
3383 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
3385 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
3388 * rs6000.md (*movsi_got_internal_mem): New pattern.
3389 (*movsi_got_internal_mem splitter): New define_split.
3391 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
3393 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
3395 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
3397 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
3398 only need to save LR.
3400 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
3402 * mn10300.md (movqi, movhi): Avoid using address registers as
3403 destinations unless absolutely necessary.
3405 * mn10200.c (expand_prologue): Fix typo.
3407 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
3409 * mn10200.md (neghi2): Provide an alternative which works if
3410 the input and output register are the same.
3412 * mn10300.c (print_operand): Handle 'S'.
3413 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
3414 shift amount in last alternative
3416 * mn10300.c (expand_epilogue): Rework to handle register restores
3417 in "ret" and "retf" instructions correctly.
3419 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
3421 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
3422 extzv for memory operands.
3424 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
3425 redundant conditional moves to single operand.
3427 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
3429 * v850.h: Move define of __v850__ from CPP_PREDEFINES
3432 * xm-v850.h: Use __v850 rather than __v850__ to
3435 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
3437 * mips/mips.c (compute_frame_size): Not a leaf function if
3440 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
3442 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
3444 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
3446 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
3447 (DEFAULT_ARCH32_P): New macro.
3448 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
3449 (enum cmodel): Declare.
3450 (sparc_cmodel_string,sparc_cmodel): Declare.
3451 (SPARC_DEFAULT_CMODEL): Provide default.
3452 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
3453 (TARGET_FULLANY): Deleted.
3454 (TARGET_CM_MEDMID): New macro.
3455 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
3456 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
3457 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
3458 (CPP_SPEC): Rewrite.
3459 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
3460 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
3461 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
3462 (ASM_SPEC): Add %(asm_arch).
3463 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
3464 Rename asm_default to asm_cpu_default.
3465 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
3466 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
3467 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
3468 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
3469 (MASK_INT64,MASK_LONG64): Delete.
3470 (MASK_ARCH64): Renamed to MASK_64BIT.
3471 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
3472 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
3473 (TARGET_SWITCHES): Always provide 64 bit options.
3474 (ARCH64_SWITCHES): Delete.
3475 (TARGET_OPTIONS): New option -mcmodel=.
3476 (INT_TYPE_SIZE): Always 32.
3477 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
3478 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
3479 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
3480 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
3481 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
3483 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
3484 * sparc/linux.h: Likewise.
3485 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
3486 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
3487 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
3488 (SPARC_DEFAULT_CMODEL): Define.
3489 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
3490 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
3491 (LONG_DOUBLE_TYPE_SIZE): Define.
3492 (ASM_SPEC): Add %(asm_arch).
3493 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
3494 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
3495 (TARGET_CPU_DEFAULT): Add ultrasparc case.
3496 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
3497 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
3498 (SPARC_DEFAULT_CMODEL): Define.
3499 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
3500 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
3501 MASK_LONG64, MASK_MEDANY.
3502 (SPARC_DEFAULT_CMODEL): Define.
3503 (CPP_PREDEFINES): Delete.
3504 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
3505 (ASM_SPEC): Add %(asm_arch).
3506 (LONG_DOUBLE_TYPE_SIZE): Define.
3507 (DWARF2_DEBUGGING_INFO): Define.
3508 * sparc/splet.h (CPP_SPEC): Delete.
3509 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
3510 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
3511 (BLOCK_PROFILER): Likewise.
3512 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
3513 (sparc_override_options): Handle code model selection.
3514 (sparc_init_expanders): Renamed from sparc64_init_expanders.
3515 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
3516 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
3517 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
3518 (sethi_di_fullany): Delete.
3520 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
3521 Jeff Law <law@cygnus.com>
3522 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3524 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
3525 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
3526 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
3527 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
3528 * alpha/alpha.md (arg_home): Likewise.
3530 * alpha/alpha.c (vmskrunch): Delete
3531 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
3532 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
3533 truncate to 64 characters.
3535 * make-l2.com: Support openVMS/Alpha.
3537 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
3539 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3541 * longlong.h (count_leading_zeros): Add missing casts to USItype.
3543 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
3545 * i386/bsd386.h (ASM_COMMENT_START): Define.
3547 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
3549 * tree.c (restore_tree_status): Also free up temporary storage
3550 when we finish a toplevel function.
3551 (dump_tree_statistics): Print stats for backend obstacks.
3553 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
3555 * expr.c (use_group_regs): Don't call use_reg for MEMs.
3557 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
3559 * libgcc2.c (__throw): Don't copy the return address.
3560 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
3562 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
3563 * toplev.c (main): Initialize exceptions_via_longjmp.
3565 * tree.c: Add extra_inline_obstacks.
3566 (save_tree_status): Use it.
3567 (restore_tree_status): If this is a toplevel inline obstack and we
3568 didn't want to save anything on it, recycle it.
3569 (print_inline_obstack_statistics): New fn.
3570 * function.c (pop_function_context_from): Pass context to
3571 restore_tree_status.
3572 * obstack.h (obstack_empty_p): New macro.
3574 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
3576 * i386/freebsd.h (ASM_COMMENT_START): Fix.
3578 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
3580 * v850.c (ep_memory_offset): New function.
3581 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
3583 * v850.h (CONST_OK_FOR_*): Add and correct comments.
3584 (CONSTANT_ADDRESS_P): Add comment.
3585 (EXTRA_CONSTRAINT): Define 'U'.
3586 * v850.md: Add comments on bit field instructions.
3587 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
3588 (lshrsi3): Use N not J constraint.
3590 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
3592 * v850.c (reg_or_0_operand): Call register_operand.
3593 (reg_or_int5_operand): Likewise.
3594 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
3595 (TARGET_SWITCHES): Add "big-switch".
3596 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
3597 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
3598 (CASE_DROPS_THROUGH): Comment out.
3599 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
3600 * v850.md (cmpsi): Delete compare mode.
3601 (casesi): New pattern.
3603 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
3604 * v850.md (ashlsi3): Use SImode not QImode for shift count.
3605 (lshrsi3): Likewise.
3607 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
3608 unreachable switch statement after 'b' support. Remove "b" from
3609 strings for 'b' support.
3610 * v850.md (branch_normal, branch_invert): Change %b to b%b.
3612 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
3614 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
3615 empty line if @inhibit_libc@ is empty.
3617 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
3619 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
3620 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
3621 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
3622 (DWARF2_UNWIND_INFO): Let this track object file format.
3623 (EXTRA_SECTIONS): Add in_eh.
3624 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
3625 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
3627 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
3629 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
3630 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
3632 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
3633 (output_double_int): Output DI mode values correctly when
3634 HOST_BITS_PER_WIDE_INT is 64.
3635 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
3636 fmovd so it works if a quad float ends up in one of the upper 32
3638 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
3639 necessary for PIC support on sparc64.
3641 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
3643 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
3644 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
3645 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
3646 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
3647 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
3648 (SPARC_FP_ARG_FIRST): New macro.
3649 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
3650 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
3651 (NPARM_REGS): There are 32 fp argument registers now.
3652 (FUNCTION_ARG_REGNO_P): Likewise.
3653 (FIRST_PARM_OFFSET): Update to new v9 abi.
3654 (REG_PARM_STACK_SPACE): Define for arch64.
3655 (enum sparc_arg_class): Delete.
3656 (sparc_arg_count,sparc_n_named_args): Delete.
3657 (struct sparc_args): Redefine and use for arch32 as well as arch64.
3658 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
3659 (FUNCTION_ARG_ADVANCE): Rewrite.
3660 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
3661 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
3662 (FUNCTION_ARG_CALLEE_COPIES): Delete.
3663 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
3664 (STRICT_ARGUMENT_NAMING): Define.
3665 (doublemove_string): Declare.
3666 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
3667 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
3668 (doublemove_string): New function.
3669 (output_move_quad): Clean up some of the arch64 support.
3670 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
3671 Don't add 8 bytes of reserved space if arch64.
3672 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
3673 (init_cumulative_args): New function.
3674 (function_arg_slotno): New static function.
3675 (function_arg,function_arg_partial_nregs): New functions.
3676 (function_arg_{pass_by_reference,advance}): New functions.
3677 (function_arg_padding): New function.
3678 * ginclude/va-sparc.h: Rewrite v9 support.
3680 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
3682 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
3683 for hard regs to determine base and index registers.
3685 * reload.c (debug_reload_to_stream): New function. Specify stream
3686 into which to write debug info.
3687 (debug_reload): Modify to call debug_reload_to_stream with stderr.
3689 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
3691 * combine.c (can_combine_p): Don't combine with an asm whose
3692 output is a hard register.
3694 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
3696 * c-decl.c (start_struct): Ensure that structs with forward
3697 declarations are in fact packed when -fpack-struct is given.
3699 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
3700 we are packing a structure. This allows a structure with only
3701 bytes to be aligned on a byte boundary and have no padding on a
3704 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3706 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
3708 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
3710 * alpha.c (alpha_return_addr_rtx): New variable.
3711 (alpha_save_machine_status): New; save it.
3712 (alpha_restore_machine_status): New; restore it.
3713 (alpha_init_expanders): New; clear it.
3714 (alpha_return_addr): New; set it.
3715 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
3716 is overly conservative, so search the insns explicitly.
3717 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
3718 (alpha_sa_size [VMS && !VMS]): Likewise.
3719 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
3720 (INIT_EXPANDERS): New definition.
3722 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
3723 (output_prolog [!VMS]): Use them.
3725 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
3726 (alpha_does_function_need_gp): ... a new function. Refine the
3727 CALL_INSN test to just TYPE_JSR.
3728 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
3730 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
3732 * version.c: Bump for snapshot.
3734 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3736 * pa.c (move_operand): Respect -mdisable-indexing.
3737 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
3739 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
3741 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
3743 (umulsidi3,umulsi3_highpart): Ditto.
3744 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
3746 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
3748 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
3749 (alpha_handle_trap_shadows): ... a new function. Handle the entire
3750 function in one go. Emit RTL for trapb, instead of printf directly.
3751 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
3752 (trap_pending): Kill global variable.
3753 (output_epilog): Don't call final_prescan_insn.
3754 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
3755 * alpha.h (FINAL_PRESCAN_INSN): Remove.
3756 (MACHINE_DEPENENT_REORG): Define.
3757 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
3760 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
3762 Tune Haifa scheduler for Alpha:
3763 * alpha.h (ISSUE_RATE): Define.
3764 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
3765 EV4 adjustments to EV5.
3766 * alpha.md: Remove all scaling from function unit delays. Rework
3767 EV5 function units to match the CPU.
3768 (umuldi3_highpart): EV5 added the IMULH insn class.
3770 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
3772 * pa.c (following_call): Fail if the CALL_INSN is an indirect
3775 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
3777 * cplus-dem.c (demangle_signature): Don't look for return types on
3778 constructors. Handle member template constructors.
3780 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
3782 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
3783 * tree.h: Declare them.
3785 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
3787 * configure.in: Handle --with-newlib.
3788 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
3790 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
3792 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
3794 * config/ptx4.h: Fix typo.
3796 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
3798 * version.c: Bump for snapshot.
3800 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
3802 * aclocal.m4: Substitute INSTALL.
3803 * configure: Re-built.
3805 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
3807 * integrate.c (save_for_inline_copying): Avoid undefined pointer
3809 (expand_inline_function): Likewise.
3811 * dwarf2out.c (output_call_frame_info): Reinstate last change
3812 using flag_debug_asm check instead of flag_verbose_asm.
3814 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
3816 * dwarf2out.c (output_call_frame_info): Remove last change.
3818 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3820 * frame.c (__frame_state_for): Execute the FDE insns until the
3821 current pc value is strictly bigger than the target pc value.
3823 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
3825 * regclass.c (init_reg_modes): If we can't find a mode for the
3826 register, use the previous one.
3828 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
3830 * haifa-sched.c (print_block_visualization): Call fprintf directly,
3831 don't sprintf through an alloca'ed buffer.
3833 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
3835 * reload.c (decompose): Always initialize val.base.
3837 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
3839 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
3840 instead of aborting.
3841 * dwarf2out.c (output_call_frame_info): Call app_enable and
3842 app_disable to let GNU as accept the generated comments.
3844 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
3846 * tree.h (get_file_function_name): Add declaration.
3847 * dwarf2out.c (output_call_frame_info): No need to cast
3848 get_file_function_name call anymore.
3849 * profile.c (toplevel): Remove get_file_function_name
3851 * c-lang.c (finish_file): Ditto.
3853 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
3855 * Makefile.in (program_transform_name): Let autoconf substitute
3858 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
3860 * haifa-sched.c (schedule_block): If the first real insn in a
3861 block has any special notes attached to it, remove them.
3863 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
3865 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
3867 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
3869 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
3871 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
3873 * Makefile.in (check-g77): New test target.
3874 (CHECK-TARGETS): Add check-g77.
3876 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
3878 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
3880 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
3882 * flow.c (print_rtl_with_bb): Cast alloca return value for
3885 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
3887 * i386.h (RETURN_ADDR_RTX): New definition that works for
3888 __builtin_return_address(0) and -fomit-frame-pointer.
3890 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
3892 Bring over from FSF.
3893 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
3895 * mips.c (function_arg): Handle passing a struct
3896 containing a double in a DFmode register without the PARALLEL.
3898 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
3900 * pexecute.c: Use spawn if __CYGWIN32__.
3902 * pexecute.c: Include "config.h" first, as per autoconf manual
3903 (from Paul Eggert <eggert@twinsun.com>).
3905 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
3907 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
3908 optimisation for f/expr.o and f/stb.o.
3910 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
3912 * cse.c (this_insn_cc0_mode): Initialize.
3914 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
3916 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
3918 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
3920 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
3922 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
3923 that pair will dual-issue on the 21164 and plus+beq won't.
3924 (bne): Likewise for cmpeq+beq.
3926 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
3928 * except.c (find_exception_handler_labels): Correct argument to free.
3930 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
3932 * except.c (find_exception_handler_labels): Free LABELS when we're
3935 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
3937 * version.c: Bump for snapshot.
3939 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
3941 * flow.c (find_basic_blocks): Mark calls as potentially jumping
3944 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
3946 * configure.in: Substitute for "install" too.
3947 * configure: Rebuilt.
3949 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
3951 * Makefile.in (bootstrap-lean, compare-lean): New targets.
3953 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
3955 * alias.c (base_alias_check): Two symbols can conflict if they
3956 are accessed via AND.
3957 (memrefs_conflict_p): Likewise.
3959 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
3960 after flushing argument registers to the stack.
3962 * Makefile.in (mostlyclean): Remove .regmove files.
3964 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
3966 * libgcc2.c (__throw): Fix thinko.
3968 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
3970 * cplus-dem.c (demangle_template): Add new parameter. Handle new
3971 template-function mangling.
3972 (consume_count_with_underscores): New function.
3973 (demangle_signature): Handle new name-mangling scheme.
3975 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
3977 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
3980 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
3982 * frame.c: Remove last change.
3983 * dwarf2.h: Remove last change.
3984 * tree.h: Add declarations of DWARF2 unwind info support
3987 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
3989 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
3990 * tree.h (built_in_function): Likewise.
3991 * expr.c (expand_builtin): Likewise.
3992 * except.h: Likewise.
3993 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
3994 * libgcc2.c (copy_reg): New fn.
3997 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
3999 * c-typeck.c (build_binary_op): Warn about comparing signed vs
4000 unsigned if -W is specified and -Wno-sign-compare is not.
4001 * c-decl.c (warn_sign_compare): Initialize to -1.
4002 (c_decode_option): -Wall no longer implies -Wsign-compare.
4004 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4006 * frame.c: Include gansidecl.h for PROTO.
4007 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
4008 defined. Don't declare dwarf2out_cfi_label here.
4009 * dwarf2.h: Add declarations of DWARF2 unwind info support
4011 * m68k.c: Include dwarf2.h.
4012 (output_function_prologue): Add dwarf2 support.
4013 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
4014 (INCOMING_FRAME_SP_OFFSET): Likewise.
4016 * integrate.c (expand_inline_function): Make sure there is at
4017 least one insn that can be used as an insertion point.
4019 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
4021 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
4023 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
4025 * version.c: Bump for snapshot.
4027 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
4029 Bring over from FSF.
4031 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
4033 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
4034 (get_pc_via_rdpc): Renamed from get_pc_sp64.
4035 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
4037 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
4039 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
4040 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
4042 (sparc_align_{loops,jumps,funcs}_string): Declare.
4043 (sparc_align_{loops,jumps,funcs}): Declare.
4044 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
4045 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
4046 (STACK_BIAS): Define.
4047 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
4049 (SPARC_SETHI_P): New macro.
4050 (CONST_OK_FOR_LETTER_P): Use it.
4051 (ASM_OUTPUT_ALIGN_CODE): Define.
4052 (ASM_OUTPUT_LOOP_ALIGN): Define.
4053 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
4054 (sparc_align_{loops,jumps,funcs}): New globals.
4055 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
4057 (move_operand): Use SPARC_SETHI_P.
4058 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
4060 (arith11_double_operand): Likewise.
4061 (arith10_double_operand): Likewise.
4062 (finalize_pic): Finish sparc64 support.
4063 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
4064 64 bit constants if able.
4065 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
4066 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
4068 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
4069 (get_pc_sp32): Use for sparc64 as well.
4070 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
4071 (sethi_di_sp64_const): Likewise.
4072 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
4073 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
4074 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
4076 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
4078 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
4079 * sparc/linux.h (COMMENT_BEGIN): Likewise.
4080 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
4082 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
4084 Add sparc64 linux support.
4085 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
4086 to xm_file list on 32-bit sparc-linux.
4087 * sparc/xm-sp64.h: New file.
4088 * sparc/linux64.h: New file.
4089 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
4090 Don't include xm-sparc.h.
4091 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
4092 * glimits.h (LONG_MAX): Handle sparc64.
4094 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
4096 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
4097 * sparc.h (ASM_COMMENT_START): Define.
4098 * sparc.c (output_function_prologue): Use it.
4099 (sparc_flat_output_function_{epi,pro}logue): Likewise.
4101 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
4103 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
4104 use sparc.h's copies.
4105 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
4108 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4110 * sparc.c (dwarf2out_cfi_label): Add declaration.
4111 (save_regs, output_function_prologue): Remove cast for it.
4112 (sparc_flat_{save_restore,output_function_prologue): Likewise.
4113 ({save,restore}_regs): No longer inline.
4115 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4117 * fold-const.c (make_range): Correctly handle cases of converting
4118 from unsigned to signed type.
4120 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4122 * fold-const.c (merge_ranges): Make sure that if one range is subset
4123 of another, it will always be the second range. Correct (+,-) case to
4126 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
4128 * final.c (final_end_function): Also do dwarf2 thing if
4129 DWARF2_DEBUGGING_INFO.
4130 (final_start_function): Likewise.
4132 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
4134 * expmed.c (expand_divmod): If compute_mode is not the same as
4135 mode, handle the case where convert_modes() causes op1 to no
4136 longer be a CONST_INT.
4138 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
4139 note holding get_jump_flags() calculation to all JUMP_INSNs.
4140 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
4141 * rtl.c (reg_note_name): Add new note types.
4143 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
4145 * rtlanal.c (computed_jump_p): Fix typo in last change.
4147 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4149 * loop.c (indirect_jump_in_function_p): Return 0
4152 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
4154 * rs6000/xm-rs6000.h: Fix thinko in last change.
4155 * rs6000/xm-sysv4.h: Likewise.
4157 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
4159 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
4161 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
4163 * reg-stack.c (find_blocks): Fix thinko in last change.
4165 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4167 * m68k.c (output_function_prologue): Add dwarf2 support.
4169 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
4170 INCOMING_FRAME_SP_OFFSET): New definitions.
4172 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
4174 * combine.c (try_combine): Use NULL_RTX instead of '0' where
4175 appropriate in calls to gen_rtx().
4176 * cse.c (cse_main): Likewise.
4177 * emit-rtl.c (gen_label_rtx): Likewise.
4178 * expr.c (init_expr_once): Likewise.
4179 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
4180 sched_analyze, init_rgn_data_dependences,
4181 compute_block_backward_dependences): Likewise.
4182 * sched.c (schedule_insns): Likewise.
4183 * varasm.c (immed_double_const): Likewise.
4185 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
4186 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
4188 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
4190 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
4191 (MULTILIB_DEFAULTS): Define.
4192 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
4193 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
4194 (LIBGCC_SPEC): Likewise.
4195 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
4196 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
4197 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
4198 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
4199 (EXTRA_PARTS, TAROUTOPTS): Delete.
4200 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
4201 (MULTILIB_OPTIONS): Define.
4202 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
4203 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
4205 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
4207 * version.c: Bump for snapshot.
4209 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
4211 * loop.c (loop_number): Delete function. Change all references
4212 to use uid_loop_num array.
4213 * loop.h (loop_number): Delete declaration.
4214 * unroll.c (unroll_loop): Change "loop_number" references to
4215 use uid_loop_num instead.
4217 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
4219 (loop_unroll_iter): Remove unused variable and all references.
4220 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
4221 (insert_bct): Fix minor formatting problems.
4222 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
4223 (loop_unroll_iter): Removed unused decl.
4224 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
4225 Always record the unrolling factor.
4227 * cse.c (simplify_relational_operation): Set h0u just like h0s.
4228 Similarly for h1u and h1s.
4230 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
4231 (find_basic_blocks): Use computed_jump_p to determine if a
4232 particular JUMP_INSN is a computed jump.
4233 * reg-stack.c (find_blocks): Use computed_jump_p to determine
4234 if a particular JUMP_INSN is a computed jump.
4235 * rtlanal.c (jmp_uses_reg_or_mem): New function.
4236 (computed_jump_p): Likewise.
4237 * rtl.h (computed_jump_p): Declare.
4238 * genattrtab.c (pc_rtx): Define and initialize.
4239 * loop.c (loop_optimize): Always determine if the current
4240 function has a computed jump.
4241 (indirect_jump_in_function_p): Use computed_jump_p to determine
4242 if a particular JUMP_INSN is a computed jump.
4244 * loop.c (fix_bct_param): Delete unused function.
4245 (check_bct_param): Likewise.
4247 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
4249 * frame.c (__deregister_frame): Check properly for initialized object.
4251 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4253 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
4255 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4257 * jump.c (thread_jumps): check can_reverse_comparison_p before
4258 threading a reversed-condition jump.
4260 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
4261 * haifa-sched.c (update_flow_info): Likewise.
4263 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
4265 * Makefile.in (BOOT_CFLAGS): Use -O2.
4267 * configure.in (strtoul, bsearch): Have autoconf check for these
4269 * configure, config.in: Rebuilt.
4271 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
4272 * mips/mips.h (alloca): Likewise.
4273 * rs6000/xm-rs6000.h (alloca): Likewise.
4274 * rs6000/xm-sysv4.h: Likewise.
4276 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
4278 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
4279 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
4280 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
4282 * except.c (end_eh_unwinder): Subtract 1 from return address.
4283 * libgcc2.c (__throw): Likewise.
4284 (find_exception_handler): Don't change PC here. Compare end with >.
4286 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
4288 * v850.c (compute_register_save_size): Correct register
4290 * v850.md (save_interrupt, return_interrupt): Correct
4292 * v850/lib1funcs.asm (save_interrupt): Correct register number.
4293 (return_interrupt): Use stack pointer, not element pointer.
4295 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
4297 * configure.in, configure: Make sure to create the stage* and include
4298 symbolic links in each subdirectory.
4300 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
4302 * pa.md (reload_peepholes): Don't allow addresses with side
4303 effects for the memory operand.
4305 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
4307 * libgcc2.c (find_exception_handler): Subtract one from our PC when
4308 looking for a handler, to avoid hitting the beginning of the next
4311 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
4313 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
4315 * mips/abi64.h (LONG_MAX_SPEC): Define.
4316 * mips.h (LONG_MAX_SPEC): Define.
4317 (CPP_SPEC): Include long_max_spec.
4318 (EXTRA_SPECS): Include long_max_spec.
4320 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
4322 * v850.c (construct_save_jarl): Fix thinko in last change.
4324 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
4326 * version.c: Bump for snapshot.
4328 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
4330 * libgcc2.c (find_exception_handler): Not found is -1.
4332 * integrate.c (expand_inline_function): Move expand_start_bindings
4333 after expanding the arguments.
4335 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
4337 * expr.c (expand_expr): Remove previous incorrect change.
4338 If target and slot has no DECL_RTL, then call mark_addressable
4339 again for the slot after we give it RTL.
4341 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
4343 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
4344 again for the slot after we give it RTL.
4346 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
4348 * v850.c (register_is_ok_for_epilogue,
4349 pattern_is_ok_for_epilogue, construct_restore_jr,
4350 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
4352 * v850.h (pattern_is_ok_for_prologue,
4353 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
4356 * v850.md: Replace prologue and epilogue patterns with a
4357 match_parallel pattern.
4359 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
4361 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
4362 * configure.in: Use EGCS_PROG_INSTALL.
4364 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
4366 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
4367 extern inline function.
4369 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
4371 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
4372 (concat_loc_descriptor): New function.
4373 (loc_descriptor): Call it.
4374 (add_AT_location_description): Also elide the descriptor if both
4375 halves of a CONCAT are pseudos.
4376 (add_location_or_const_value_attribute): Recognize CONCAT too.
4378 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
4380 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
4382 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
4383 out-or-range reg_offset.
4384 (output_epilog): Likewise.
4386 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
4388 * cse.c (simplify_relational_operation): If MODE specifies a
4389 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
4390 is derived from the sign bit of the low word.
4392 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
4394 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
4396 * dwarf2.h: Add DW_CFA_GNU_args_size.
4397 * frame.c (execute_cfa_insn): Likewise.
4398 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
4399 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
4400 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
4401 insn, hand it off to dwarf2out_stack_adjust.
4402 (dwarf2out_begin_prologue): Initialize args_size.
4403 * frame.h (struct frame_state): Add args_size.
4404 * libgcc2.c (__throw): Use args_size.
4405 * final.c (final_scan_insn): If we push args, hand off all insns
4406 to dwarf2out_frame_debug.
4407 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
4409 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
4410 Handle epilogue restore of SP from FP.
4411 * emit-rtl.c (gen_sequence): Still generate a sequence if the
4412 lone insn has RTX_FRAME_RELATED_P set.
4414 * frame.c (extract_cie_info): Handle "e" augmentation.
4415 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
4416 absence of UNALIGNED_*_ASM_OP.
4417 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
4418 (output_call_frame_info): Use "e" instead of "z" for augmentation.
4419 Don't emit augmentation fields length.
4420 (dwarf2out_do_frame): Move outside of #ifdefs.
4421 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
4424 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
4425 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
4426 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
4427 * sparc/sun4gas.h: New file.
4428 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
4430 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
4431 __register_frame_table and __deregister_frame.
4433 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
4435 * except.c (find_exception_handler_labels): Use xmalloc instead of
4436 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
4439 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
4441 * Makefile.in: Various changes to build info files
4442 in the object tree rather than the source tree.
4444 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
4446 * fixinc.math: New file to fix math.h on some systems.
4447 * configure.in (freebsd, netbsd): Use fixinc.math on these
4449 * configure: Rebuilt.
4451 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
4453 * regmove.c (regmove_optimize): If we end up moving the
4454 original insn due to lifetime overlaps, make sure to move
4457 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
4459 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
4461 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
4463 * haifa-sched.c (add_branch_dependences): Make each insn in
4464 a SCHED_GROUP_P block explicitly depend on the previous insn.
4466 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
4468 * except.h: Prototype dwarf2 hooks.
4471 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
4473 * configure.in (native_prefix): Delete.
4474 (mips-dec-netbsd): Don't set prefix.
4475 (*linux*): Don't set prefix.
4477 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
4479 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
4480 defined. If not defined, include <sys/varargs.h> if
4481 HAVE_SYS_VARARGS_H is defined.
4482 * configure.in: Test for varargs.h and sys/varargs.h.
4483 * configure: Regenerate with autoconf.
4484 * config.in: Regenerate with autoheader.
4486 * cpplib.c (quote_string): Cast first arg of sprintf call
4487 from "unsigned char *" to "char *".
4488 (output_line_command): Ditto.
4489 (macroexpand): Ditto.
4490 (do_line): Cast atoi arg from "unsigned char *" to "char *".
4492 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
4494 * version.c: Bump for snapshot.
4496 * Makefile.in (compare): Exit with nonzero status if there
4497 are comparison failures. Note which files failed the
4498 comparison test in .bad_compare.
4500 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4502 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
4504 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
4506 * Makefile.in (LN, LN_S): New macros, use where appropriate.
4507 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
4508 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
4509 * configure: Regenerated.
4511 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
4513 * loop.c (strength_reduce): Fix typo.
4515 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
4517 * m88k/m88k.c (struct option): Rename to struct options.
4518 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
4519 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
4520 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
4521 __DOLPHIN__ or sysV88.
4523 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
4525 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
4528 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
4530 * config.sub: Accept 'amigados' for backward compatability.
4532 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4534 * Makefile.in (testsuite/site.exp): New target.
4535 (check-gcc, check-g++): Depend on testsuite/site.exp.
4536 Don't stop for failure.
4538 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
4540 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
4541 if DWARF2_UNWIND_INFO.
4543 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
4545 Add support for exception handling using DWARF 2 frame unwind info.
4546 Currently works on SPARC and MIPS, and almost on x86.
4548 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
4549 next_stack_level, in_reg_window): Helper fns.
4550 (__throw): Implement for DWARF2_UNWIND_INFO.
4552 * expr.c (expand_builtin): Handle builtins used by __throw.
4553 * tree.h (enum built_in_function): Add builtins used by __throw.
4554 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
4555 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
4556 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
4557 (expand_builtin_extract_return_addr): Likewise.
4558 (expand_builtin_frob_return_addr): Likewise.
4559 (expand_builtin_set_return_addr_reg): Likewise.
4560 (expand_builtin_eh_stub): Likewise.
4561 (expand_builtin_set_eh_regs): Likewise.
4562 (eh_regs): Choose two call-clobbered registers for passing back values.
4564 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
4565 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
4566 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
4567 (stmp-multilib): Likewise.
4568 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
4570 * except.c: #include "defaults.h".
4571 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
4572 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
4573 (register_exception_table_p): New fn.
4574 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
4575 (end_eh_unwinder): Likewise.
4577 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
4578 call __register_frame and __deregister_frame as needed.
4579 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
4580 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
4581 EH_FRAME_SECTION_ASM_OP.
4582 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
4583 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
4584 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
4586 * dwarf2out.c (output_call_frame_info): If no support for
4587 EXCEPTION_SECTION, mark the start of the frame info with a
4589 * collect2.c (frame_tables): New list.
4590 (is_ctor_dtor): Recognise frame entries.
4591 (scan_prog_file): Likewise.
4592 (main): Pass -fno-exceptions to sub-compile. Also do collection
4593 if there are any frame entries.
4594 (write_c_file_stat): Call __register_frame_table and
4595 __deregister_frame as needed.
4596 (write_c_file_glob): Likewise.
4598 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
4599 Also require unaligned reloc support.
4600 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
4601 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
4602 * sparc/sysv4.h: Not here.
4604 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
4605 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
4606 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
4608 * libgcc2.c (L_eh): Reorganize, moving code shared by different
4609 EH implementations to the top.
4610 (find_exception_handler): Split out. Start from 0. Compare against
4612 (__find_first_exception_table_match): Use it.
4613 * except.c (output_exception_table): Don't do anything if there's
4614 no table. Don't output a first entry of zeroes.
4615 (eh_outer_context): Adjust properly.
4616 (add_eh_table_entry): Use xrealloc.
4617 * toplev.c (compile_file): Just call output_exception_table.
4619 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
4621 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
4623 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
4625 * except.c (eh_outer_context): Do masking using expand_and.
4627 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
4629 Add port done awhile ago for the ARC cpu.
4630 * arc/arc.h: New file.
4631 * arc/arc.c: New file.
4632 * arc/arc.md: New file.
4633 * arc/initfini.c: New file.
4634 * arc/lib1funcs.asm: New file.
4635 * arc/t-arc: New file.
4636 * arc/xm-arc.h: New file.
4637 * ginclude/va-arc.h: New file.
4638 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
4639 * ginclude/varargs.h: Likewise.
4640 * Makefile.in (USER_H): Add va-arc.h.
4641 * configure.in (arc-*-elf*): Recognize.
4642 * longlong.h: Add ARC support.
4644 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
4646 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
4647 when clearing non-BLKmode data.
4649 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
4651 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
4652 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
4654 * xm-m88k.h (USG): Only define if it hasn't already been defined.
4656 * Makefile.in (risky-stage1): Delete gratutious whitespace.
4658 * Makefile.in (clean): Delete libgcc1-test.
4660 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
4662 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
4664 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
4667 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4669 * dwarf2out.c (output_call_frame_info): Call named_section.
4671 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
4673 * haifa-sched.c (print_value): Fix last change.
4675 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
4677 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
4680 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
4682 * mips.c (function_prologue): Set up the CFA when ABI_32.
4684 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
4685 for dwarf2 unwind info.
4686 (output_function_prologue, sparc_flat_output_function_prologue): Same.
4688 * final.c (final_end_function): Check dwarf2out_do_frame instead
4689 of DWARF2_DEBUG for dwarf2 unwind info.
4690 (final_scan_insn): Likewise.
4691 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
4694 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
4697 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
4699 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
4701 * v850.h (ASM_SPEC): Pass on target processor.
4702 (CPP_PREDEFINES): Only define if not already specified.
4703 (TARGET_VERSION): Only define if not already specified.
4704 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
4706 (EXTRA_SWITCHES): Extra entries in the switches array.
4707 (TARGET_DEFAULT): Set default target processor.
4709 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
4711 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
4712 cases, add %# and %/, and add : to make them into extended asms.
4714 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
4716 * alias.c (init_alias_analysis): Clean up incompatible pointer
4717 type warning in bzero.
4718 * regmove.c (regmove_optimize): Ditto.
4719 * haifa-sched.c (find_rgns): Ditto.
4721 * haifa-sched.c (print_value): Clean up ptr->int cast
4724 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
4726 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
4727 * install.texi (Configurations): Ditto.
4728 * config.sub: Ditto.
4730 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
4732 * Makefile.in (sdbout.o): Depend on insn-config.h.
4734 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
4736 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
4737 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
4739 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
4741 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
4742 prologue insn, only the first elt is significant.
4743 (output_call_frame_info): For exception handling, always use 4-byte
4744 fields as specified by the dwarf2 spec.
4745 Don't skip trivial FDEs.
4747 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
4749 * version.c: Bump for snapshot.
4751 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
4753 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
4754 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
4757 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
4759 * final.c (shorten_branches): During first pass, assume worst
4760 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
4762 * Makefile.in (distclean): Remove various things left around
4763 by running the testsuite.
4765 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
4767 * configure.in (out_file): Emit definition to config.status in order
4768 to have a defined value for configure.lang.
4769 * configure: Re-built.
4771 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
4773 * configure.in: Make symlink to as-new rather than as.new. Similarly
4775 * configure: Rebuilt.
4777 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
4779 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
4781 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
4783 * sparc/sparc.md: Add ultrasparc scheduling support.
4784 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
4786 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
4788 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
4789 as initial value for real_label_map.
4790 (copy_for_inline): Likewise.
4792 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4794 * sched.c (update_flow_info) When looking if to set found_split_dest
4795 or found_orig_dest, look at all parts of a PARALLEL.
4796 * haifa-sched.c (update_flow_info): Likewise.
4798 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
4800 * v850: New directory for v850 port.
4801 * v850/lib1funcs.asm: New file.
4802 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
4803 * ginclude/va-v850.h: New file.
4804 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
4805 * configure.in (mn10200-*-*): New target.
4806 * configure: Rebuilt.
4807 * config.sub: Handle v850-elf.
4808 * Makefile.in (USER_H): Add va-mn10200.h.
4809 * invoke.texi: Document v850 stuff.
4811 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
4813 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
4814 has integer TYPE_{MAX,MIN}_VALUE before using them.
4816 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
4817 __HPUX_ASM__ versions.
4819 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
4821 * install.sh: Delete duplicate install script.
4823 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
4825 * reg-stack.c (subst_stack_regs): Pop the stack register for a
4826 computed goto which sets the same stack register.
4828 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
4829 destination are both on the regstack.
4830 (subst_stack_regs_pat): Put the destination at the top of the regstack.
4832 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
4834 * mips.md (nonlocal_goto_receiver): Define.
4836 * profile.c (output_arc_profiler): Check next_insert_after for non
4837 NULL before deferencing it.
4839 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
4841 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
4843 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
4845 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
4847 * toplev.c (rest_of_compilation): For passes starting with
4848 flow_analysis, use print_rtl_with_bb instead of print_rtl.
4850 * print-rtl.c (print_rtl_single): Print a single rtl value to a
4853 * flow.c (print_rtl_with_bb): Print which insns start and end
4854 basic blocks. For the start of a basic block, also print the live
4857 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
4859 * toplev.c (main): Change #elif to #else/#ifdef
4861 * tlink.c: Include ctype.h.
4862 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
4864 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
4866 * bitmap.c: Conditionally include stdlib.h.
4867 (free): Provide a declaration if NEED_DECLARATION_FREE.
4869 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
4871 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
4873 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
4875 * profile.c (output_arc_profiler): Verify next_insert_after is an
4876 INSN before and after skipping a stack pop.
4878 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4880 * final.c (shorten_branches): Don't count the lengths of deleted
4883 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
4885 * version.c: Bump for snapshot.
4887 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
4889 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
4890 two bitmaps ANDed together.
4891 (bitmap_print): Declare.
4893 * bitmap.c (function_obstack): Don't declare any more.
4894 (bitmap_obstack): Obstack for allocating links from.
4895 (bitmap_obstack_init): New static to say whether to initialize
4897 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
4898 (bitmap_release_memory): Free all memory allocated from
4901 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
4902 EXECUTE_IF_AND_IN_BITMAP.
4904 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
4906 * alias.c (true_dependence): Address with AND can alias scalars.
4907 (anti_dependence, output_dependence): Likewise.
4909 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
4911 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
4913 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
4914 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
4915 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
4916 definitions. Use -qrtems instead of -mrtems.
4918 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
4920 * xm-sco5.h (sys_siglist): Define.
4921 (SYS_SIGLIST_DECLARED): Likewise.
4923 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
4925 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
4927 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
4929 * except.c (eh_outer_context): Expand masking operation using
4932 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
4934 * alpha.md (floatdisf2-1): New pattern.
4936 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
4938 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
4939 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
4940 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
4941 * gcc.texi: Note that if you define sys_siglist that you should
4942 also define SYS_SIGLIST_DECLARED.
4944 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
4945 are relative to the next instruction, not the current instruction.
4947 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
4949 * local-alloc.c (contains_replace_regs): New function.
4950 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
4951 verify that there is no existing REG_EQUIV note, and add a call to
4952 contains_place_regs.
4954 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4956 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
4957 (STARTFILE_SPEC): Always use crtbegin.o%s
4958 (ENDFILE_SPEC): Always use crtend.o%s.
4960 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
4962 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
4964 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
4965 SFmode for 64 bit hosts.
4967 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
4969 * fixincludes: Permits spaces between # and define. Discard C++
4970 comments in sys/pci.h on HP/UX 10.20.
4972 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
4974 * version.c: Bump for snapshot.
4976 * pa.c (restore_unscaled_index_insn_codes): New function.
4977 (record_unscaled_index_insn_codes): Likewise.
4978 (output_function_prologue): Call restore_unscaled_index_insn_codes.
4979 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
4980 (pa_reorg): Call record_unscaled_index_insn_codes.
4982 * haifa-sched.c (move_insn): Handle notes correctly for insns
4983 with SCHED_GROUP_P set.
4985 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4987 * alpha/xm-linux.h (USE_BFD): Undef before define.
4989 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
4991 * cse.c (cse_insn): Don't record BLKmode values.
4993 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
4995 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
4997 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
4999 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
5000 * collect2.c (sys_errlist): Likewise.
5001 * cpplib.c (sys_errlist): Likewise.
5002 * gcc.c (sys_errlist): Likewise.
5003 * protoize (sys_errlist): Likewise.
5004 * configure.in: Check for strerror.
5005 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
5006 * xm-gnu.h (HAVE_STRERROR): Likewise.
5007 * xm-linux.h (HAVE_STRERROR): Likewise.
5008 * xm-netbsd.h (HAVE_STRERROR): Likewise.
5009 * xm-bsd386.h (HAVE_STRERROR): Likewise.
5010 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
5011 * xm-dos.h (HAVE_STRERROR): Likewise.
5012 * xm-mingw32.h (HAVE_STRERROR): Likewise.
5013 * xm-pa.h (HAVE_STRERROR): Likewise.
5014 * xm-papro.h (HAVE_STRERROR): Likewise.
5015 * xm-sysv4.h (HAVE_STRERROR): Likewise.
5016 * configure, config.in: Rebuilt.
5018 * Makefile.in: Add several missing "else true" clauses.
5020 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
5021 * mips-tfile.c: Likewise.
5022 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
5023 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
5024 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
5025 * configure.in: Check for sys_siglist declaration.
5026 * configure, config.in: Rebuilt.
5028 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
5030 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
5031 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
5032 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
5033 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
5034 * rs6000/sysv4.h (extra_subtarget_switches): Added new
5035 macro EXTRA_SUBTARGET_SWITCHES.
5036 * configure.in (sh*-*-rtems*): New target.
5037 * sh/rtems.h: New file.
5038 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
5039 * configure: Rebuilt.
5041 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
5043 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
5045 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
5047 * rs6000.md: Make DF fused-add operations pay attention to
5050 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
5052 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
5054 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
5056 * pa.md (reload_peepholes): Make sure operand is a REG before
5057 examining REGNO. Allow general registers too.
5059 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
5061 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
5063 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
5065 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
5066 to reallocate abbrev_die_table.
5068 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
5070 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
5072 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5074 * Makefile.in (config.status): Depend on version.c
5076 * expr.h (insn_gen_function): Reenable prototype.
5078 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
5081 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
5083 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
5085 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
5087 * version.c: Bump for latest snapshot.
5089 * bc-optab.c: Conditionally include stdlib.h.
5090 (free): Provide a declaration if NEED_DECLARATION_FREE.
5091 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
5092 * rtl.h (free): Remove declaration.
5093 * tree.h (free): Remvoe declaration.
5095 * configure: Rebuilt.
5097 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
5099 * flags.h (flag_move_all_movables): Declare.
5100 (flag_reduce_all_givs): Likewise.
5101 * loop.c (move_movables): Handle flag_move_all_movables.
5102 (strength_reduce): Handle flag_reduce_all_givs.
5103 * toplev.c (flag_move_all_movables): Define.
5104 (flag_reduce_all_givs): Likewise.
5105 (f_options): Add -fmove-all-movables and -freduce-all-givs.
5106 * invoke.texi: Document new options, including alias stuff that
5107 wasn't included last time.
5109 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
5111 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
5114 * t-vxworks68: Ditto.
5115 * t-vxworks960: Ditto.
5118 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
5120 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
5121 if not already defined, and USE_C_ALLOCA not defined.
5123 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
5125 * config.guess: Replace with script that uses ../config.guess.
5127 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
5128 if USE_GNULIBC_1 is not defined.
5130 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
5132 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
5133 * config.guess: Recognize alpha-linux-gnulibc1.
5134 * configure.in (alpha-*-linux-gnulibc1): New target.
5135 (alpha-*-linux-gnu*): Don't build crtbegin/end.
5137 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
5139 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
5142 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
5144 * loop.c (combine_movables): Earlier insns don't match later ones.
5146 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5148 * config/linux.h (CC1_SPEC): Define it only if not defined.
5150 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
5153 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
5154 USE_GNULIBC_1 is not defined.
5156 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
5158 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
5159 as 1 if USE_GNULIBC_1 is not defined.
5161 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
5163 * reorg.c (dbr_schedule): Allow current_function_return_rtx
5164 to be something other than a REG.
5165 * function.c (expand_function_end): Fix current_function_return_rtx
5168 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
5169 * x-netbsd: Likewise
5170 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
5171 (INSTALL_HEADERS): Delete.
5172 * x-dguxbcs: Likewise.
5173 * x-hp3bsd44: Likewise
5176 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5178 * i386.md (pop): pop increments the stack pointer.
5179 (prologue_set_stack_ptr): New pattern.
5180 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
5183 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
5185 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
5186 address where an offsettable address is required.
5188 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
5190 * loop.c (check_final_value): Don't miss a biv increment in a
5193 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
5195 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
5196 TYPE_DECL_IS_STUB instead of DECL_NAME.
5198 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5200 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
5202 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
5204 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
5206 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
5208 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
5209 (find_post_sched_live): Likewise.
5211 * haifa-sched.c (schedule_block): Remove old code to get arguments
5212 from hard regs into pseudos early.
5214 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
5216 * version.c: Bump for new snapshot.
5218 * local-alloc.c (update_equiv_regs): All the target to reject
5219 promotion of some REG_EQUAL to REG_EQUIV notes.
5220 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
5222 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
5225 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
5226 store of the argument registers.
5228 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
5230 * fold-const.c (multiple_of_p): New function.
5231 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
5233 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
5235 * expr.h (insn_gen_function): Temporarily remove prototype.
5237 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
5239 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
5240 filenames. Use sed to extract base filename for install.
5242 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
5244 * unroll.c (find_splittable_givs): Only share if two givs have the
5245 same add and multiply values.
5247 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
5249 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
5250 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
5252 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
5254 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
5255 around branch tables.
5256 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
5257 and .end_brtab directives if TARGET_GAS.
5259 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
5261 * alias.c (true_dependence): Pass x_addr not x to varies.
5263 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
5264 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
5265 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
5267 * config.in, configure: Regenerate.
5269 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
5271 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
5273 (record_set): Handle LO_SUM like PLUS.
5274 (init_alias_analysis): When following chains of base addresses,
5275 do not stop on reaching a hard register.
5277 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
5279 * version.c: Bump for new snapshot.
5281 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
5283 * alpha.h (ARCH_ASM_FILE_START): Define.
5284 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
5285 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
5287 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
5289 * Makefile.in (install-common): Put gcov comment at start of line.
5291 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
5293 * alias.c (init_alias_analysis): When simplifying the reg_base_value
5294 array, simplify entries for hard registers too.
5296 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
5298 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
5301 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
5303 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
5304 block_stack before dereferencing it.
5306 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
5308 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
5310 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
5312 * cplus-dem.c: Add 'extern' to prepends_underscore.
5314 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
5316 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
5317 (get_issue_rate): Delete.
5318 * pa.h (ISSUE_RATE): Define.
5320 * configure.in: Turn on haifa by default for the PA.
5321 * configure: Rebuilt.
5322 * pa.c (override_options): Accept -mschedule=7200 option.
5323 (pa_adjust_cost): No longer need to scale costs for newer
5325 * pa.h (enum processor_type): Add PROCESSOR_7200.
5326 * pa.md: Revamp scheduling parameters to work better with
5327 haifa. Add scheduling parameters for the 7200.
5329 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
5331 (schedule_block): When adjusting basic_block_{head,end}, account
5332 for movement of SCHED_GROUP_P insns too.
5334 * haifa-sched.c (debug_dependencies): Fix thinko.
5336 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
5337 (site.exp, check, check-g++, check-gcc): New targets.
5339 * haifa-sched.c: Make lots of variables static.
5341 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5343 * expr.h, real.h: Finish prototyping.
5345 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
5347 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
5348 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
5349 * reload1.c: Undo bugfix from Aug 11.
5351 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
5353 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
5354 quotes around the name.
5355 * configure: Regenerate.
5357 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
5359 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
5361 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
5363 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
5364 to sub-makes to avoid building more passes than the user might have
5365 requested on the command line.
5367 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
5369 * configure.in: Expurgate `broken_install' (install is
5372 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
5375 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
5377 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
5378 functions and declarations.
5379 (analyze_loop_iterations): Use condjump_p.
5380 (insert_bct): Likewise. Use exact_log2.
5382 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
5384 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
5385 (schedule_region): Likewise.
5386 (schedule_insns): Likewise.
5388 * PROJECTS: Update with Haifa stuff.
5390 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
5392 * version.c: Change the version string to look like:
5393 egcs-2.90.00 970814 (gcc2-970802 experimental).
5395 * loop.c (is_conditional_branch): Make definition match declaration.
5397 * gcc.c: Take out experimental snapshot warning message.
5399 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
5401 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
5402 print out the names of the notes. Print out the name of the insn
5403 that is not a note, and not an {,CALL_,JUMP_}INSN.
5405 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
5407 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
5408 again for the slot after we give it RTL.
5410 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
5412 * configure.in (haifa configury): Fix typo.
5413 * configure: Regenerate.
5415 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
5417 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
5419 * gcc.info*: Rebuilt.
5421 * COPYING.g77, README.g77: New files.
5422 * real.c (ereal_unto_float, ereal_unto_double): New functions.
5423 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
5424 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
5426 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
5428 * Integrate Haifa instruction scheduler.
5429 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
5430 to sched with $(SCHED_CFLAGS.
5431 * configure.in: Handle --enable-haifa.
5432 * configure: Rebuilt.
5433 * flags.h: Add new flags for haifa instruction scheduler.
5434 * genattrtab.c (expand_units): For haifa, don't subtract one
5435 when computing blockage.
5436 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
5437 (flag_schedule_speculative): Ditto.
5438 (flag_schedule_speculative_load): Ditto.
5439 (flag_schedule_speculative_load_dangerous): Ditto.
5440 (flag_schedule_reverse_before_reload): Ditto.
5441 (flag_schedule_reverse_after_reload): Ditto.
5442 (flag_branch_on_count_reg): Ditto.
5443 (f_options): Add Haifa switches.
5444 (main): Turn off some Haifa options if appropriate macro is
5445 defined. Process Haifa switches.
5446 * unroll.c (iteration_info): No longer static, since Haifa
5448 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
5449 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
5450 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
5451 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
5452 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
5453 storage for the Haifa scheduler.
5454 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
5456 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
5457 are defined, call analyze_loop_iterations and insert_bct to use
5459 (record_giv): Refine test for jumps out of loops if HAIFA is
5461 (analyze_loop_iterations): New function to identify if we can use
5463 (insert_bct): Insert countdown loop.
5464 (instrument_loop_bct): Low level code to insert countdown loop.
5465 (loop_number): Calculate UID of loop.
5466 (indirect_jump_in_function_p): Return true if an indirect jump is
5468 (is_power_of_2): Return true if value is a power of 2.
5469 (is_conditional_branch): Return true if insn is a conditional
5471 (fix_bct_param): Process -fbct-{min,max}-N switches.
5472 (check_bct_param): Return true if loop should be instrumented.
5473 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
5474 (loop_optimize): Initialize.
5475 (get_condition_for_loop): Ditto.
5476 * loop.c (strength_reduce): Inside of code that uses #ifdef
5477 HAVE_decrement_and_branch_on_count code, test it to make sure the
5479 (instrument_loop_bct): Ditto.
5480 * haifa-sched.c: New file.
5483 * Integrate regmove pass.
5484 * Makefile.in (OBJS): Add regmove.o
5485 (regmove.o): Add dependencies.
5486 * flow.c (find_use_as_address): No longer static.
5487 * rtl.h (find_use_as_address): Declare.
5488 * toplev.c (regmove_dump, flag_regmove): Define.
5489 (f_options): Add -fregmove.
5490 (regmove_dump_file, regmove_time): Define.
5491 (fatal_insn): Close the regmove dump file.
5492 (compile_file): Initialize regmove_time; open/close the regmove dump
5493 file as needed. Print regmove time as needed.
5494 (rest_of_compilation): Run regmove pass if requested, dump
5495 RTL after regmove if requested.
5496 (main): If -O2 or more, turn on regmove. Handle dump switches.
5497 * regmove.c: New file.
5499 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
5501 * Integrate tlink patch from jason@cygnus.com
5502 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
5503 (process_command): Increment n_switches for them. Don't discard
5504 their args. Validate them.
5505 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
5507 (process_command): Set include_prefixes from COMPILER_PATH.
5508 (main): Set COLLECT_GCC_OPTIONS sooner.
5509 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
5510 * tlink.c, hash.c, hash.h: New files.
5511 * Makefile.in (USE_COLLECT2): Always use collect2.
5512 (collect2): Depend on and link in hash.o and tlink.o.
5513 (tlink.o, hash.o): Add dependencies.
5515 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
5517 * Integrate alias analysis changes from jfc@mit.edu
5518 * Makefile.in (OBJS): Add alias.o
5519 (alias.o): Add dependencies.
5520 * alias.c: New file.
5521 * sched.c: Remove alias analysis code. It lives in alias.c now.
5522 (sched_analyze_2): Add new arguments to true_dependence.
5523 (schedule_insns): Always call init_alias_analysis.
5524 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
5525 mark return value from such functions as a pointer and keep track of
5526 them for alias analysis. If a return value from a function is a
5527 pointer, mark it as such.
5528 * combine.c (distribute_notes): Handle REG_NOALIAS.
5529 * cse.c (struct write_data): Delete. No longer needed.
5530 (invalidate): Don't call set_nonvarying_address_components anymore.
5531 Use true_dependence to decide if an entry should be removed from
5533 (invalidate_memory): Remove WRITES argument, simplify appropriately.
5535 (note_mem_written): Similarly for WRITE_PTR argument.
5536 (invalidate_from_clobbers): Similarly for W argument.
5537 (invalidate_for_call): Remove memory elements from the hash table.
5538 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
5539 (cse_rtx_varies_p): New function. Derived from old
5540 cse_rtx_addr_varies_p.
5541 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
5542 Don't call note_mem_written anymore. Stack pushes invalidate the stack
5543 pointer if PUSH_ROUNDING is defined. No longer need to call
5544 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
5545 (skipped_writes_memory): Remove variable.
5546 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
5547 (invalidate_skipped_block): Simplify for new alias analysis code.
5548 (cse_set_around_loop): Likewise.
5549 (cse_main): Call init_alias_analysis.
5550 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
5551 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
5552 (f_options): Add new alias checking arguments.
5553 (main): Set flag_alias_check when optimizing.
5554 * local_alloc (validate_equiv_mem_from_store): Add new arguments
5556 (memref_referenced_p): Likewise.
5557 * loop.c (NUM_STORES): Increase to 30.
5558 (prescan_loop): Only non-constant calls set unknown_address_altered.
5559 (invariant_p): Add new arguments to true_dependence.
5560 (record_giv): Initialize unrolled and shared fields.
5561 (emit_iv_add_mult): Call record_base_value as needed.
5562 * loop.h (struct induction): Add unrolled and shared fields.
5563 * unroll.c (unroll_loop): Call record_base_value as needed.
5564 (copy_loop_body): Likewise.
5565 (final_biv_value): Likewise.
5566 (final_giv_value): Likewise.
5567 (find_splittable_regs): Likewise. Only create one new pseudo
5568 if we have multiple address GIVs that were combined with the same
5569 dst_reg GIV. Note when a new register is created due to unrolling.
5570 * rtl.c (reg_note_name): Add REG_NOALIAS.
5571 * rtl.h (enum reg_note): Similarly.
5572 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
5573 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
5574 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
5575 (true_dependence, read_dependence, anti_dependence): Likewise.
5576 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
5577 (mark_user_reg, mark_reg_pointer): Likewise.
5580 * Integrate reload bugfix from Wilon which enables the PA port
5582 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
5583 OPERAND_ADDRESS when computing how many registers an insn needs.
5584 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
5586 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
5588 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
5589 in reload_reg_use_in_op_addr do not reach the end.
5590 do not reach the end.
5591 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
5592 RELOAD_FOR_OPERAND_ADDRESS.
5594 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
5596 * egcs project officially starts.