1 Tue Feb 17 22:31:04 1998 Jeffrey A Law (law@cygnus.com)
3 * loop.c (rtx_equal_for_loop_p): Add some braces to disambiguate
4 a dangling else clause.
6 Tue Feb 17 21:28:12 1998 Gavin Koch <gavin@cygnus.com>
8 * mips/mips.h (CAN_ELIMINATE): Don't eliminate the frame
9 pointer for the stack pointer in MIPS16 and 64BIT.
11 Tue Feb 17 21:17:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
13 * rtl.h (force_line_numbers, restore_line_number_status): Declare.
14 * emit-rtl.c (force_line_numbers, restore_line_number_status):
16 * stmt.c (struct nesting): Replace seenlabel with line_number_status.
17 (expand_start_case): Adjust to this change.
18 (check_seenlabel): New function.
19 (pushcase, pushcase_range, expand_endcase): Use it.
21 Tue Feb 17 10:14:32 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
23 * i386.md (adddi3): Add =!r,0,0,X alternative.
25 Mon Feb 16 16:13:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
27 * rs6000.h (MY_ISCOFF): Add numeric value of U803XTOCMAGIC.
28 * x-aix31 (INSTALL): Delete.
30 Mon Feb 16 09:24:32 1998 Gavin Koch <gavin@cygnus.com>
32 * mips/mips.c (mips_expand_epilogue): Update tsize_rtx if
33 tsize changes to something other than zero.
35 Mon Feb 16 09:11:48 1998 Gavin Koch <gavin@cygnus.com>
37 * ginclude/va-mips.h: Replace casts of pointers to int with
38 casts of pointers to __PTRDIFF_TYPE__.
40 Mon Feb 16 08:17:14 1998 John Carr <jfc@mit.edu>
42 * loop.c (strength_reduce, record_biv, record_giv): Use
43 HOST_WIDE_INT_PRINT_DEC to print CONST_INT values.
45 1998-02-16 Jason Merrill <jason@yorick.cygnus.com>
47 * tree.c (first_rtl_op): New fn.
48 (unsave_expr_now): Use it.
49 * print-tree.c (print_node): Likewise.
50 * tree.c (has_cleanups): New fn.
51 * fold-const.c (fold, case CLEANUP_POINT_EXPR): Use it. Be more
52 conservative about pushing the cleanup point down.
53 * tree.h: Declare them.
55 Sun Feb 15 23:28:44 1998 Jeffrey A Law (law@cygnus.com)
57 * toplev.c (flag_schedule_reverse_before_reload): Delete variable.
58 (flag_schedule_reverse_after_reload): Likewise.
59 (f_options): Remove reverse scheduling support.
60 * flags.h (flag_schedule_reverse_before_reload): Delete declaration.
61 (flag_schedule_reverse_after_reload): Likewise.
62 * haifa-sched.c (rank_for_schedule): Remove support for reverse
65 Sun Feb 15 21:33:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
67 * gcc.c: Get system includes, prototypes and macros via "system.h"
68 instead of doing it manually. Change all calls of the ctype
69 macros to custom versions defined in "system.h".
71 * system.h: Fix return type of bcmp prototype from `void' to `int'.
72 Make bcopy, bcmp and bzero prototypes explicitly `extern'.
73 Add a prototype for getenv.
75 Sun Feb 15 17:05:41 1998 Jim Wilson <wilson@cygnus.com>
77 * mips/mips.h (INITIAL_ELIMINATION_OFFSET): Readd Jun 6 change.
79 Sun Feb 15 15:23:15 1998 John Carr <jfc@mit.edu>
81 * alias.c: Include <stdlib.h> and <string.h>.
82 (init_alias_analysis): Pass NULL_RTX instead of 0 to record_set.
84 Sat Feb 14 11:23:09 PST 1998 Jeff Law (law@cygnus.com)
86 * version.c: Bump for snapshot.
88 Sat Feb 14 05:08:21 1998 Richard Earnshaw (rearnsha@arm.com)
90 * arm.md (movsfcc): Also validate operands[3] when compiling hard
92 (movdfcc): Only accept fpu_add_operand for operands[3].
94 * arm/t-semi (STMP_FIXPROTO): Define to nothing.
95 * arm/t-semiaof (STMP_FIXPROTO): Likewise.
97 Sat Feb 14 02:02:41 1998 Jeffrey A Law (law@cygnus.com)
99 * varasm.c (output_constant_pool): Bring back 'done' label inside
100 an appropriate #ifdef.
102 * bitmap.c (bitmap_element_allocate): Wrap variable 'i' in an
104 (bitmap_copy, bitmap_operation): Likewise.
105 * combine.c (combinable_i3pat): Similarly for 'src'.
106 * function.c (fixup_var_refs_1): Similarly for 'outerdest'.
107 (locate_and_pad_parm): Similarly for 'reg_parm_stack_space'.
108 * regclass.c (copy_cost): Similarly for 'secondary_class'.
109 * reload.c (make_memloc): Simliarly for 'i'.
110 (find_reloads_address_1): Similarly for 'link'.
111 * reload1.c (reload): Similarly for 'previous_frame_pointer_needed'.
112 (emit_reload_insns): Similarly for 'second_reloadreg'.
113 * unroll.c (iteration_info): Similarly for 'v'.
115 * caller-save.c (insert_save_restore): Remove unused variable 'i'.
116 * calls.c (expand_call): Similarly for 'i'.
117 (emit_library_call, emit_library_call_value): Similarly for 'mode'.
118 * fold-const.c (strip_compund_expr): Similarly for 'type'.
119 * function.c (fixup_var_refs_1): Similarly for 'width'.
120 (fixup_memory_subreg): Similarly for 'saved'.
121 (locate_and_pad_parm): Similarly for 'boundary_in_bytes.'
122 (setjmp_protect): Similarly for 'sub'.
123 (thread_prologue_and_epilogue_insns): Similarly for 'insn'.
124 * loop.c (record_giv): Similarly for 'p'.
125 (combine_givs): Similarly for 'temp_iv'.
126 (indirect_jump_in_function_p): Similarly for 'is_indirect_jump'.
127 * recog.c (validate_replace_rtx_1): Similarly for 'width'.
128 * tree.c (get_set_constructor_bytes): Similarly for 'vals'.
129 * unroll.c (unroll_loop): Similarly for 'copy'.
130 (iteration_info): Similarly for 'b'.
131 * varasm.c (assemble_string): Similarly for 'i'.
132 * i386.h (LEGITIMIZE_ADDRESS): Similarly for 'orig_x'.
134 Fri Feb 13 14:38:34 1998 Jim Wilson <wilson@cygnus.com>
136 * dwarf2out.c (decl_scope_node): New type.
137 (decl_scope_table): Change type to use it.
138 (decl_scope_table_allocated, decl_scope_depth): Change type to int.
139 (push_decl_scope): Use new type. New locals containing_scope, i.
140 Add code to handle setting previous field.
141 (scope_die_for): Change type of local i to int. Add code to use
143 (dwarf2out_init): Use new type.
145 1998-02-13 Jason Merrill <jason@yorick.cygnus.com>
147 * except.c (emit_throw): Lose throw_used.
149 Fri Feb 13 20:36:05 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
151 * sched.c (update_flow_info, REG_WAS_0): Ignore if setting insn
153 * haifa-sched.c (update_flow_info, REG_WAS_0): Likewise.
155 Fri Feb 13 12:18:40 1998 Jeffrey A Law (law@cygnus.com)
157 * genextract.c (main): Fix typo.
159 Fri Feb 13 08:41:49 1998 Robert Lipe <robertl@dgii.com>
161 * c-lang.c (finish_file): Bracket declaration of static_ctors,
164 * calls.c (expand_call): Bracket declaration of 'rtx_before_call',
165 'old_stack_arg_under_construction'
166 (emit_library_call): Bracket declaration of 'upper_bound',
167 'lower_bound', 'i', 'reg_parm_stack_space'
168 (emit_library_call_value): Likewise.
171 * collect2.c: include <unistd.h> when appropriate.
172 Bracket declaration of 'exportf' and 'full_real_ld_suffix'.
174 * emit-rtl.c (prev_cc0_setter): Remove unused variable 'link'.
176 * explow.c (plus_constant_for_output_wide): Remove unused variable
178 (memory_address): Remove unused variable 'orig_x'.
180 * genattrtab.c (make_canonical): Remove unreferenced label 'cond:'.
181 (write_const_num_delay_slots): Remove unused variable 'i'.
183 * genopinit.c (main): Remove unused variables 'dummy', 'insn_ptr'.
184 (gen_insn): Remove unused variable 'obstack_ptr'.
186 * libgcc2.c (__bb_exit_func): Remove unused variables 'ret',
188 (__bb_exit_trace_func): Remove unused variable 'e'.
190 * optabs.c (expand_binop): remove unused variables 'lhs', 'rhs',
192 (expand_unop): Remove unused variable 'funexp'.
193 (expand_complex_abs): Remove unused variable 'funexp'.
194 (init_optabs): Bracket declaration of 'j'.
195 (init_complex_libfuncs): Deleted. Dead static function.
197 * profile.c (branch_prob): Remove unused variables 'insn', 'dest'.
199 * reg-stack.c: Fix typo in proto for 'get_asm_operand_lengths'
200 (reg_to_stack): 'initialized', 'before_function_beg'
201 explictly type as ints instead of defaulting.
202 (emit_swap_insn): Remove unused variable 'i2'.
203 (compare_for_stack_reg): Remove unused variable 'src_note'.
205 * rtlanal.c (computed_jump_p): Remove unused variable 'computed_jump'.
207 * sched.c (actual_hazard): Bracket declaration of 'this_cost'.
209 * stmt.c (add_case_node): Add parens for assignment used as truth.
210 (all_cases_count): Remove unused variable 'count_high'.
211 (mark_seen_cases): Remove unused variable 'i'.
212 (check_for_full_enumeration_handling): Remove unused variable 't'.
213 Bracket declaration of 'all_values', 'l'.
215 * tlink.c: Include <stdlib.h>, <unistd.h>, <string.h>/<strings.h>.
217 * varasm.c (assemble_string): Remove unused variable 'i'.
218 (immed_double_const): Remove unused variable 'in_current_obstack'.
219 (immed_real_const_1): Likewise.
220 (output_constant_pool): Remove unreferenced label 'done'.
221 (output_constant): Remove unused variable 'x'.
223 * i386/i386.h (ENCODE_SECTION_INFO): TREE_PUBLIC is an int, not
226 * i386/sco5.h (ASM_OUTPUT_ASCII): Add parens for assignment used
229 Fri Feb 13 10:21:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
231 * combine.c (can_combine_p): Handle USEs in PARALLELs.
233 Fri Feb 13 01:34:14 1998 H.J. Lu (hjl@gnu.org)
235 * config/linux.h (LIB_SPEC): Add -lc for -shared if
236 USE_GNULIBC_1 is not defined.
237 * config/sparc/linux.h; Ditto.
239 * config/sparc/linux64.h (LIB_SPEC): Add -lc for -shared.
241 * config/alpha/linux-elf.h (LIB_SPEC): New. Defined if
242 USE_GNULIBC_1 is not defined.
244 Fri Feb 13 01:29:29 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
246 * rs6000/sysv4.h (ENDFILE_SPEC): add missing %(endfile_linux)
249 Fri Feb 13 01:23:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
251 * system.h: New file to get common systems includes and various
252 definitions and declarations based on autoconf macros.
254 Fri Feb 13 00:46:19 1998 Jeffrey A Law (law@cygnus.com)
256 * cccp.c (new_include_prefix): Correctly handle -I./.
258 Thu Feb 12 20:16:35 1998 Michael Meissner <meissner@cygnus.com>
260 * rs6000.md: Replace gen_rtx (CONST_INT,...) with GEN_INT.
262 Thu Feb 12 16:45:17 1998 Robert Lipe <robertl@dgii.com>
264 * expr.c (expand_assignment): Correct typo exposed by -Wall.
265 offset should have been a truth value, not an assignment.
267 Thu Feb 12 15:26:50 1998 Jeffrey A Law (law@cygnus.com)
269 * cse.c (delete_dead_from_cse): If a libcall produces a constant
270 result and that result can be substituted into SET_SRC of the
271 insn with the REG_RETVAL note, then perform the substitution
272 and delete the libcall.
274 Thu Feb 12 14:04:09 1998 Gavin Koch <gavin@cygnus.com>
276 * mips.md (trucndihi2,truncdiqi2): Change these to support
279 Thu Feb 12 11:34:55 1998 Gavin Koch <gavin@cygnus.com>
281 * mips/mips.c (movdi_operand): Direct referances to symbols
282 that arn't mips16 consts in mips16 mode arn't valid operands.
284 * mips/mips.c (mips_move_2words): Add gprel handling.
286 Thu Feb 12 11:18:37 1998 Gavin Koch <gavin@cygnus.com>
288 * mips.md (extendsidi2): Allow extension to/from a non-mips16
291 Thu Feb 12 00:04:16 1998 Marc Lehmann <pcg@goof.com>
293 * i386.c: Conditionally include <stdlib.h>, <string.h>, and
296 Wed Feb 11 11:43:34 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
298 * Makefile.in (WARN_CFLAGS): New variable.
299 (bootstrap, bootstrap2, bootstrap3, bootstrap4): Use it.
301 1998-02-11 Mark Mitchell <mmitchell@usa.net>
303 * config/i386/i386.c (reg_mentioned_in_mem): Don't abort when
304 falling through default case in switch.
305 (i386_aligned_p): Likewise.
307 Wed Feb 11 12:59:56 1998 Lee Iverson <leei@Canada.AI.SRI.COM>
309 * mips/mips.h (mips_abi_string): Correct typo in comment.
311 Wed Feb 11 08:29:56 1998 Gavin Koch <gavin@cygnus.com>
313 * mips/mips.md (movdi): These PLUS's need to be Pmode.
315 Wed Feb 11 01:47:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
317 * Makefile.in (dwarf2out.o, emit-rtl.o, jump.o, cse.o, unroll.o,
318 reorg.o, regmove.o): Depend on insn-codes.h, it gets included
319 indirectly via expr.h.
321 Wed Feb 11 01:44:13 1998 Richard Henderson <rth@cygnus.com>
323 * stor-layout.c (layout_type): Do upper - lower in the native type,
324 so as to properly handle negative indices.
326 Wed Feb 11 01:35:55 1998 Robert Lipe <robertl@dgii.com>
328 * except.c (start_dynamic_cleanup): Remove unused variable 'dhc'.
329 (expand_eh_region_start_tree): Remove unused variable 'note'.
330 (exception_optimize): Remove unused variable 'regions'.
331 (expand_builtin_eh_stub): Remove unused variable 'temp'.
332 (copy_eh_entry): Deleted. Dead function.
334 * expr.c (move_block_to_reg) Bracket declaration of 'pat' and
335 'last' with same #if HAVE_load_multiple as use of it.
336 (move_block_from_reg): Likewise.
337 (emit_move_insn_1): Remove unused variable 'insns'.
338 (store_constructor): Bracket declaration of startb, endb with
339 #if TARGET_MEMFUNCTIONS. Remove unused variables 'set_word_size'
340 'target', and 'xtarget'.
341 (expand_builtin_setjmp): Remove unused variables 'op0',
342 'next_arg_reg', 'old_inhibit_defer_pop'.
343 (expand_builtin): Remove unused variable 'offset'.
344 (do_store_flag): Remove unused variables 'pattern', 'jump_pat'.
345 (emit_queue): Add parens for assignment used as conditional.
346 (expand_expr): case TARGET_EXPR: Remove unused variable 'temp'.
348 Wed Feb 11 01:30:49 1998 Marc Lehmann <pcg@goof.com>
350 * i386.c: Added include for recog.h.
351 (override_options): Removed unused variable p. Initialized regno to
353 (order_regs_for_local_alloc): Initialized regno to avoid warning.
354 (legitimize_address): Likewise for 'other'.
355 (i386_aligned_reg_p): Added default case with abort ().
356 (print_operand): Likewise.
357 (reg_mentioned_in_mem): Likewise.
358 (ix86_expand_binary_operator): Removed unused variables i & insn.
359 (ix86_expand_unary_operator): Removed unused variable insn.
360 (output_fp_cc0_set): Removed unused variable unordered_label.
362 Wed Feb 11 01:23:03 1998 John F. Carr <jfc@mit.edu>
364 * i386.c, i386.h, i386.md: Change gen_rtx (X, ...) to gen_rtx_X (...).
365 Use GEN_INT instead of gen_rtx (CONST_INT). Make printf arguments
366 and format string match.
368 Wed Feb 11 01:17:39 1998 Jeffrey A Law (law@cygnus.com)
370 * flow.c (life_analysis): Do not conside the stack pointer live at
371 the end of a function if the fucntio ncalls alloca.
372 (mark_used_regs): Similarly.
374 1998-02-10 John F Carr <jfc@mit.edu>
376 * config/sparc/sparc.md (movdi_v8plus): Output stx on alternative
377 1, fzero on alternative 8.
379 Tue Feb 10 09:02:19 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
381 * rs6000.c (setup_incoming_varargs): Always set rs6000_sysv_varargs_p.
383 Tue Feb 10 03:35:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
385 * reload.c (find_reloads_toplev): Handle arbitrary non-paradoxical
386 SUBREGs of CONST_INTs.
388 Mon Feb 9 17:52:36 1998 John Carr <jfc@mit.edu>
390 * mips.c (print_operand, function_prologue): Make printf format
393 Mon Feb 9 02:37:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
395 * alpha.c (alpha_return_addr): Remove unused variable `first'.
396 (alpha_ra_ever_killed): Remove unused variables `ra' and `i'.
397 (output_epilog): Remove unused variable `frame_size_from_reg_save'.
399 Sun Feb 8 14:56:03 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
401 * loop.c (strength_reduce): When placing increment for auto-inc
402 case, do comparison in loop order.
404 Sun Feb 8 13:21:38 1998 John Carr <jfc@mit.edu>
406 * bitmap.c (bitmap_debug_file): HOST_PTR_PRINTF converts a pointer,
409 * calls.c (expand_call): Change test of expand_inline_function
410 return value to stop compiler warning.
412 * genattrtab.c (RTL_HASH): Cast pointer to long, not HOST_WIDE_INT.
414 Sun Feb 8 12:04:24 1998 Jim Wilson (wilson@cygnus.com)
415 Jeff Law (law@cygnus.com)
417 * regmove.c: Fix various minor formatting problems.
418 (optimize_reg_copy_1): Stop search at CALL_INSNs if flag_exceptions
419 is true. Make end of basic block tests consistent through regmove.c.
420 (optimize_reg_copy_2, optimize_reg_copy_3): Likewise.
421 (fixup_match_2, fixup_match_1, regmove_optimize): Likewise.
423 Sun Feb 8 01:49:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
425 * gansidecl.h: Check for a conflicting macro definition before
426 attempting to prototype bcopy, bcmp or bzero.
428 Sun Feb 8 00:09:59 1998 Jeffrey A Law (law@cygnus.com)
430 * expr.c (clear_pending_stack_adjust): Handle case where a function
431 calls alloca, but the user has specified -fomit-fframe-pointer.
433 * function.c (assign_parms): Fix typo in last change.
435 Sat Feb 7 23:54:29 1998 Robert Lipe <robertl@dgii.com>
437 * gcc.c: Include <strings.h>/<string.h>, <stdlib.h>, <unistd.h>,
439 (free_path_suffix): Remove unreferenced static function.
440 (process_command): Remove unused variable temp.
441 (default_arg): Remove unused variable i.
442 (do_spec_1): Add parens for assignment used as truth value.
444 (validate_all_switches): Likewise.
445 (main): Remove unused variables i, first_time>
447 * c-common.c: Include <stdlib.h> and <string.h>/<strings.h>.
449 * calls.c (expand_call): Remove unused variables funtree,
452 * dbxout.c, except.c: Include <string.h>/<strings.h>.
454 * explow.c: (plus_constant_for_output_wide) Removed unused
455 variable all_constant.
457 * c-decl.c, genattr.c, genattrtab.c, getconfig.c, genemit.c
458 genextract.c, genflags.c, genopinit.c genoutput.c, genpeep.c,
459 genrecog.c, global.c, integrate.c , stupid.c : Include
462 * genextract.c: (walk_rtx) Remove unused variable link.
464 * genrecog.c: (concat) Remove unreferenced static function.
466 * prefix.c: Include <string.h>/<strings.h>, <stdlib.h>
468 * stmt.c: Include <stdlib.h>.
469 (expand_asm_operands): Remove unused variable val1.
470 (expand_return): Remove unused variable block.
471 (pushcase): Remove unused variables l and n.
472 (pushcaserange): Likewise.
474 * unroll.c (unroll_loop): Remove unused variable temp.
476 Sat Feb 7 23:46:09 1998 Greg McGary <gkm@gnu.org>
478 * c-decl.c (pushdecl): Set DECL_ORIGINAL_TYPE once only.
480 Sat Feb 7 15:11:28 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
482 * aclocal.m4 (GCC_FUNC_PRINTF_PTR): New macro to test the printf
483 functions for whether they support the %p format specifier.
484 * acconfig.h (HOST_PTR_PRINTF): Insert stub for autoconf.
485 * configure.in (GCC_FUNC_PRINTF_PTR): Use it.
486 * configure, config.in: Rebuild.
488 Fri Feb 6 14:20:16 1998 Jim Wilson <wilson@cygnus.com>
490 * function.c (assign_parms): New variable named_arg, with value
491 depending on STRICT_ARGUMENT_NAMING. Use instead of ! last_named.
493 Fri Feb 6 14:34:28 1998 Gavin Koch <gavin@cygnus.com>
495 * mips/t-r3900: New - same as t-ecoff but eliminate
496 multilibs: mips1 and mips3.
497 * configure.in (tx39*): Use new mips/t-r3900.
498 * configure: Rebuild.
499 * mips/r3900.h (MULTILIB_DEFAULTS): Eliminate mips1.
501 1998-02-06 Jason Merrill <jason@yorick.cygnus.com>
503 * dwarf2out.c: Add old_args_size.
504 (dwarf2out_args_size): Use it.
505 (dwarf2out_begin_prologue): Initialize it.
506 (dwarf2out_stack_adjust): If !asynchronous_exceptions, save up
507 pushed args until we see a call.
508 * final.c (final_scan_insn): Hand CALL_INSNs off to the dwarf2 code
509 before outputting them.
511 1998-02-06 Kriang Lerdsuwanakij <lerdsuwa@scf.usc.edu>
513 * cplus-dem.c (demangle_template_template_parm): New function.
514 (demangle_template): Handle template template parameters.
516 1998-02-02 Mark Mitchell <mmitchell@usa.net>
518 * calls.c (expand_call): Don't confuse member functions named
519 realloc, setjmp, and so forth with the standard library
520 functions of the same names.
522 Thu Feb 5 21:59:49 1998 Jeffrey A Law (law@cygnus.com)
524 * stmt.c (expand_asm_operands): Correctly identify asm statements
527 Thu Feb 5 21:56:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
529 * c-common.c (decl_attributes): Flag unrecognized attribute
530 functions as warnings instead of as errors.
532 1998-02-05 Marc Lehmann <pcg@goof.com>
534 * integrate.c (INTEGRATE_THRESHOLD): Inline only small functions
535 when -Os is specified.
536 * toplev.c (main): Don't disable flag_inline_functions anymore when
539 Fri Feb 6 00:27:36 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
542 * flags.h (flag_regmove): Declare.
543 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Don't declare.
544 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2):
545 Moved into regmove; changed caller.
546 * toplev.c (rest_of_compilation): Call regmove_optimize also for
547 expensive_optimizations.
549 Thu Feb 5 13:38:42 PST 1998 Jeff Law (law@cygnus.com)
551 * version.c: Bump for snapshot.
553 Thu Feb 5 01:45:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
554 Undo this change (the problem was actually in reload):
555 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
557 * sh.md (movqi_i+1): New peephole.
559 Tue Feb 3 01:11:12 1998 Jeffrey A Law (law@cygnus.com)
561 * jump.c (jump_optimize): Lose calls to modified_in_p they are
562 not needed anymore due to changes elsewhere in jump.c.
564 * jump.c (jump_optimize): Fix first arg to modified_in_p in
567 Mon Feb 2 19:18:14 1998 Richard Henderson <rth@cygnus.com>
569 * expr.c (expand_builtin_setjmp): Accept two new arguments for
570 the labels to branch to on first and subsequent executions. Don't
571 play with __dummy. Rename `setjmp' insn to `builtin_setjmp_setup',
572 and provide it with the jmp_buf. Use only one of
573 `builtin_setjmp_receiver' or `nonlocal_goto_receiver',
574 and provide the former with the target label.
575 (expand_builtin) [BUILTIN_SETJMP]: Generate a label for use by setjmp.
576 (expand_builtin) [BUILTIN_LONGJMP]: Split out to ...
577 (expand_builtin_longjmp): ... here. Recognize a `builtin_longjmp'
578 insn to replace all of the normal nonlocal_goto code. Don't play
579 with __dummy. Correct arguments to nonlocal_goto.
580 * expr.h (expand_builtin_setjmp): Update prototype.
581 * except.c (start_dynamic_handler): When using builtin_setjmp,
582 generate more accurate flow information.
584 * alpha.md (nonlocal_goto_receiver_osf): Delete.
585 (nonlocal_goto_receiver_vms): Rename to nonlocal_goto_receiver.
586 (builtin_longjmp, builtin_setjmp_receiver): New.
587 * sparc.md (update_return): Disambiguate unspec number.
588 (nonlocal_goto): Rearrange arguments to match caller in except.c.
589 (builtin_setjmp_setup): Rename from setjmp. Match and ignore the
591 * mips.md (nonlocal_goto_receiver, builtin_setjmp_receiver): Remove.
592 (builtin_setjmp_setup*, builtin_longjmp): New.
594 Mon Feb 2 16:43:10 1998 John Carr <jfc@mit.edu>
596 * mips.md: Change gen_rtx (CONST_INT) to GEN_INT.
598 Mon Feb 2 13:06:47 1998 Jim Wilson <wilson@cygnus.com>
600 * vmsconfig.com: Remove bytecode references.
602 1998-01-30 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
604 * dwarf2out.c (dwarf2out_frame_init): Undo last change, so that
605 -fno-sjlj-exceptions works for a target that defines
606 DWARF2_UNWIND_INFO as zero.
608 * regmove.c (fixup_match_1): Undo last change which removed some
609 "useless" code, and add a comment explaining this.
611 Mon Feb 2 10:47:14 1998 Gavin Koch (gavin@cygnus.com)
613 * mips.c (mips_expand_prologue): Change uses of TARGET_64BIT
616 Mon Feb 2 10:38:41 1998 Klaus Kaempf <kkaempf@progis.de>
618 * makefile.vms: Remove bytecode references.
621 Mon Feb 2 02:08:04 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
623 * jump.c (jump_optimize): Allow conditional loading of floating point
624 constants and constants from memory. Reinstalled modified_in_p tests.
626 Mon Feb 2 01:38:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
628 * loop.c (get_condition): Handle sign-extended constants.
630 Mon Feb 2 01:22:46 1998 Hans-Peter Nilsson <hp@axis.se>
632 * expr.c (emit_push_insn): Add code to use movstrti if present.
634 * expr.c (emit_push_insn): Use same max-move-amount for movstrhi
635 and movstrqi as in emit_block_move ().
637 Mon Feb 2 00:09:52 1998 Toon Moene <toon@moene.indiv.nluug.nl>
639 * config/m68k/x-next: Remove /NextDeveloper/Headers from
640 the directories to fixinclude - /usr/include is a link
641 to it and hence its contents are fixed by default.
643 Sun Feb 1 14:15:33 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
645 * rs6000/linux.h: define JUMP_TABLES_IN_TEXT_SECTION
647 Sun Feb 1 13:01:15 1998 Klaus Kaempf <kkaempf@progis.de>
649 * cccp.c (main): Predefine __VMS_VER on VMS.
651 Sun Feb 1 12:39:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
653 * expr.c (get_inner_reference): Use sbitsizetype for type sizes.
654 * fold-const.c (size_int): Replace with
656 (make_bit_field_ref): Use bitsize_int for bit position.
657 * stor-layout.c (sizetype): Delete.
658 (sizetype_tab, sbitsizetype, ubitsizetype): Declare.
659 (layout_record, layout_union, layout_type):
660 Use bitsize_int for bit size.
661 (set_sizetype): New function.
662 (make_signed_type, make_unsigned_type): Use it.
663 * c-decl.c (init_decl_processing): Likewise.
664 * tree.h (size_int): Don't delcare, #define.
665 (size_int_wide, sizetype_tab, sbitsize, ubitsize): Declare.
666 (set_sizetype): Declare.
667 (bitsize_int, size_int_2, BITS_PER_UNIT_LOG, sizetype, bitsizetype):
669 * c-typeck.c (c_sizeof, c_sizeof_nowarn, c_size_in_bytes):
670 Convert result to sizetype.
671 (really_start_incremental_init, push_init_level):
672 Set type of constructor_bit_index to sbitsizetype.
673 (push_init_level): Use unsigned arithmetic to determine padding.
674 (output_init_element): Likewise.
676 Sun Feb 1 03:32:07 1998 Jeffrey A Law (law@cygnus.com)
678 * combine.c (simplify_shift_const): Fix typo in last change.
680 Sun Feb 1 02:50:46 1998 John Carr <jfc@mit.edu>
682 * combine.c (simplify_shift_const): (lshiftrt (truncate (lshiftrt)))
683 is (truncate (lshiftrt)).
685 Sun Feb 1 01:06:53 1998 Richard Henderson <rth@cygnus.com>
687 * alpha.c (alpha_expand_unaligned_load): Use expand_binop properly.
688 Make sure result winds up in TGT.
689 (alpha_expand_unaligned_store): Use expand_binop properly. Allow
690 src to be other than DImode.
691 (alpha_expand_unaligned_load_words): Tidy. Take an offset argument.
692 (alpha_expand_unaligned_store_words): Likewise.
693 (alpha_expand_block_move): Use REGNO_POINTER_ALIGN. Restructure so
694 that source and destination are separately optimized for alignment.
695 (alpha_expand_block_clear): Use REGNO_POINTER_ALIGN.
697 Sun Feb 1 01:55:09 1998 Jeffrey A Law (law@cygnus.com)
699 * mips.md (adddi3_internal_2): Be consistent with adddi3 expander
700 with handling of -32768.
702 Sun Feb 1 01:48:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
704 * aclocal.m4 (GCC_NEED_DECLARATION): Modify macro to accept a
705 shell variable argument instead of only hard coded functions.
706 (GCC_NEED_DECLARATIONS): New macro to accept multiple functions.
708 * configure.in: Collapse multiple calls to AC_CHECK_FUNCS into one
709 call. Collapse multiple calls to GCC_NEED_DECLARATION into one
710 call to GCC_NEED_DECLARATIONS (new macro.) Check if we need
711 declarations for bcopy, bcmp and bzero.
713 * acconfig.h: Add stubs for bcopy, bcmp and bzero declarations.
715 * gansidecl.h: If we have bcopy but don't declare it, then do so.
716 Likewise for bcmp and bzero. Only define macros for bcopy, bcmp,
717 bzero, index and rindex if they aren't already present.
719 Sat Jan 31 11:26:58 1998 Jeffrey A Law (law@cygnus.com)
721 * toplev.c (close_dump_file): Wrap function prototype for
722 argument "func" in PROTO.
723 (dump_rtl): Likewise.
725 Fri Jan 30 22:30:39 1998 John Carr <jfc@mit.edu>
727 * sparc.c (sparc_override_options): Make v8plus and ultrasparc set
729 (output_function_epilogue): Omit epilogue if nothing drops through.
730 (output_move_double): Supress int ldd usage on ultrasparc and v9.
731 (registers_ok_for_ldd_peep): Likewise.
732 (print_operand): Supress b,a on ultrasparc. Let Y accept a constant.
733 (ultrasparc_adjust_cost): New function.
734 (sparc_issue_rate): New function.
735 * sparc.h (MASK_VIS, TARGET_VIS): New
736 (MASK_V8PLUS, TARGET_V8PLUS): New.
737 (TARGET_HARD_MUL32, TARGET_HARD_MUL): New.
738 (TARGET_SWITCHES): Add vis and v8plus.
739 (REG_CLASS_FROM_LETTER): Accept d and b for VIS.
740 (REGISTER_MOVE_COST): FP<->INT move cost 12 for ultrasparc.
741 (RTX_COSTS): Use TARGET_HARD_MUL
742 (ADJUST_COST): Call ultrasparc_adjust_cost.
744 * sparc.md (attr type): Add sload, fpmove, fpcmove. Adjust users
745 of load & fp appropritely.
746 (supersparc function units): Adjust for Haifa.
747 (ultrasparc function units): Likewise.
748 (get_pc_via_rdpc): All v9, not just arch64.
749 (movdi_v8plus, movdi_v8plus+1): New.
750 (adddi3_sp32+1): New.
751 (subdi3_sp32+1): New.
752 (movsi_insn, movsf_const_insn, movdf_const_insn): Know VIS.
753 (addsi3, subsi3, anddi3_sp32, andsi3, and_not_di_sp32): Likewise.
754 (and_not_si, iordi3_sp32, iorsi3, or_not_di_sp32, or_not_si): Likewise.
755 (xorsi3_sp32, xorsi3, xor_not_di_sp32, xor_not_si): Likewise.
756 (one_cmpldi2_sp32, one_cmplsi2): Likewise.
757 (ldd peepholes): Suppress for v9.
758 (return_adddi): Kill redundant test. Arg1 may be arith_operand.
759 (return_subsi): Revmove.
761 Fri Jan 30 18:30:03 1998 John F Carr <jfc@mit.edu>
763 * mips.c (save_restore_insns): Set RTX_UNCHANGING_P in register
764 save/restore MEM rtl.
766 Fri Jan 30 09:08:16 1998 Jeffrey A Law (law@cygnus.com)
768 * configure.in: Check for declaration of abort.
769 * acconfig.h: Corresponding changes.
770 * toplev.c: Use NEED_DECLARATION_ABORT to determine if abort should
773 Thu Jan 29 20:26:12 1998 Jeffrey A Law (law@cygnus.com)
775 * genattrtab.c (optimize): Define in case PRESERVE_DEATH_INFO_REGNO_P
778 Thu Jan 29 09:27:56 PST 1998 Jeff Law (law@cygnus.com)
780 * version.c: Bump for snapshot.
782 Thu Jan 29 10:12:27 1998 Jeffrey A Law (law@cygnus.com)
784 * configure.in: Check for atoq and atoll.
785 * rtl.c (read_rtx): Use HAVE_ATOLL and HAVE_ATOQ to select the
786 proper routine for converting ascii into long long values.
788 Thu Jan 29 01:28:14 1998 Klaus Kaempf <kkaempf@progis.de>
790 * cccp.c (SYS$SEARCH, SYS$PARSE): Write as upper-case.
792 * vmsconfig.com: Remove bytecode references.
794 * alpha/vms.h (PREFIX): Define.
796 * alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Remove.
798 * am-alpha.h: Don't include alloca for OPEN_VMS.
800 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Define.
802 * alpha/xm-vms.h (INCLUDE_DEFAULTS): Define.
803 (GCC_INCLUDE_DIR): Define
805 * make-cc.com, make-cccp.com, make-cc1.com: Removed.
806 * makefile.vms: New file.
808 * alpha/vms.h (CPP_PREDEFINES): Remove -Dalpha.
810 * alpha.c (output_prolog): Output '.name' directive
811 for minimal traceback information.
813 * alpha.c (output_prolog): Don't prepend entry point symbols
814 with '$' on OPEN_VMS.
816 Thu Jan 29 00:25:35 1998 David S. Miller <davem@tanya.rutgers.edu>
817 Jeffrey A Law (law@cygnus.com)
819 * rtl.c (read_rtx): Use atol/atoq based upon disposition of
822 * genattrtab.c (write_test_expr): Use HOST_WIDE_INT_PRINT_DEC
824 * genemit.c (gen_exp): Likewise.
825 * genpeep.c (match_rtx): Likewise.
826 * genrecog.c (write_tree_1): Likewise.
828 * c-lex.c (yyprint): Use proper format string based upon
829 disposition of HOST_BITS_PER_WIDE_INT.
830 (yylex): Put casts in right place for args to build_int_2.
832 Thu Jan 29 00:24:29 1998 Jeffrey A Law (law@cygnus.com)
834 * combine.c: Fix typos in Jan27 changes.
836 Thu Jan 29 00:07:49 1998 Ollivier Robert <roberto@keltia.freenix.fr>
838 * i386/freebsd.h (LIB_SPEC): Correctly handle -shared, -p and friends.
839 (LINK_SPEC): Likewise.
840 (STARTFILE_SPEC): Likewise.
842 1998-01-28 Mike Stump <mrs@wrs.com>
844 * rtlanal.c (dead_or_set_regno_p): Ignore REG_DEAD notes after
846 * genattrtab.c (reload_completed): Define.
848 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Remove obsolete
851 Wed Jan 28 20:11:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
853 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
854 SUBREG_REG if the word count is unchanged, also in the input reload
855 case. Disable non-applicable sanity checks.
857 Wed Jan 28 20:08:26 1998 Jeffrey A Law (law@cygnus.com)
859 * config/t-svr4 (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
861 Wed Jan 28 20:04:43 1998 Ian Lance Taylor <ian@cygnus.com>
863 * i386/t-cygwin32 (LIMITS_H_TEST, LIBGCC2_INCLUDES): Define.
865 Wed Jan 28 11:45:27 1998 Per Bothner <bothner@cygnus.com>
867 * dbxout.c (dbxout_type): For a RECORD_TYPE, check that TYPE_BINFO
868 is a TREE_VEC before trying to use it for baseclasses.
869 (Chill uses the same field for a different purpose.)
871 * toplev.c (strip_off_ending): Generalize to endings up to 5 chars.
873 Tue Jan 27 23:15:55 1998 Lassi A. Tuura <lat@iki.fi>
875 * config.sub: More accurate determination of HP processor types.
877 Tue Jan 27 23:11:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
879 * c-lex.c: Include <stdlib.h> and <string.h>/<strings.h>. Add
880 prototype for `handle_sysv_pragma', and make it static. Add
881 parentheses around assignment used as truth value.
883 * combine.c (combine_instructions): Protect variable `prev' with
885 (can_combine_p): Protect variable `link' with AUTO_INC_DEC.
886 (extract_left_shift): Add parentheses around operand of &.
887 (merge_outer_ops): Avoid an empty body in an else-statement.
888 (gen_rtx_combine): Remove unused variable `i'.
890 * sparc/gmon-sol2.c: Include <fcntl.h>. Make return type of
891 function monstartup `void'. Likewise for internal_mcount. Add
892 `static void' prototype for moncontrol. Reconcile sprintf format
895 * sparc/sparc.c: Include <stdlib.h> and <string.h>/<strings.h>.
896 Make return type of function_arg_slotno explicitly `int'.
897 (reg_unused_after): Add parentheses around assignment used as
899 (save_regs): Add explicit braces to avoid ambiguous `else'.
900 (function_arg_slotno): Add parentheses around && within ||.
901 (function_arg_pass_by_reference): Likewise.
902 (sparc_flat_output_function_prologue): Reconcile fprintf format
905 * svr4.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
906 assignment used as truth value.
908 * cplus-dem.c: Include <stdlib.h>.
909 (demangle_signature): Avoid an empty body in an else-statement.
910 (do_type): Remove unused variable `lvl'.
912 * cppexp.c: Don't have <stdlib.h> depend on MULTIBYTE_CHARS.
913 Include <string.h>/<strings.h>.
914 (cpp_lex): Remove unused variable `namelen'.
915 (cpp_lex): Explicitly declare `num_chars' as an int.
917 * cpplib.c: Avoid duplicate inclusion of <stdlib.h>, include
918 <unistd.h> instead. Explicitly declare is_system_include
920 (make_assertion): Remove unused variable `kt'.
921 (cpp_expand_to_buffer): Hide variable `obuf'.
922 (output_line_command): Remove unused variables, `line_end',
923 `line_cmd_buf' and `len'.
924 (macarg): Remove unused variable `arg_start'.
925 (special_symbol): Remove unused variable `i'. Add parentheses
926 around assignment used as truth value.
927 (do_include): Remove unused variables `pcfname' and `retried',
928 hide `pcf' and `pcfbuflimit'.
929 (do_line): Remove unused variable `i'.
930 (finclude): Hide variable `missing_newline'.
931 (cpp_handle_options): Remove unused variable `j'.
932 (read_token_list): Remove unused variable `eofp'.
933 (cpp_error_with_line): Remove unused variable `i'.
934 (cpp_warning_with_line): Likewise.
935 (cpp_pedwarn_with_line): Explicitly declare `column' as int.
936 (cpp_error_from_errno): Remove unused variable `i'.
938 * cse.c (invalidate): Add parentheses around assignment used as
940 (find_best_addr): Move declaration of variable `our_cost' inside
941 the conditional macro where its used.
942 (fold_rtx): Avoid an empty body in an if-statement.
943 (cse_insn): Wrap variables `this_insn_cc0_mode' and
944 `this_insn_cc0' in macro HAVE_cc0.
946 * dwarf2out.c: Include <stdlib.h> and <string.h>/<string.h>.
947 (ASM_OUTPUT_DWARF_DATA8): Reconcile format vs. args in fprintf's.
948 (output_uleb128): Likewise.
949 (output_sleb128): Likewise.
950 (output_cfi): Likewise.
951 (output_call_frame_info): Remove unused variables `j', `fde_size'
953 (comp_unit_has_inlines): Hide declaration as per rest of file.
954 (size_of_line_prolog): Correct typo in prototype.
955 (add_arange): Likewise.
956 (output_aranges): Likewise.
957 (add_name_and_src_coords_attributes): Likewise.
958 (gen_array_type_die): Likewise.
959 (gen_inlined_subroutine_die): Likewise.
960 (equate_decl_number_to_die): Remove unused variable `i'.
961 (print_die): Reconcile format vs. args in fprintf's.
962 (print_dwarf_line_table): Likewise.
963 (output_die): Likewise.
964 (output_line_info): Likewise.
965 (add_subscript_info): Avoid an empty body in an else-statement.
966 (gen_subprogram_die): Remove unused variable `fp_loc'.
968 * dwarfout.c: Explicitly declare `next_pubname_number' as int.
969 Protect `ordering_attribute' prototype with USE_ORDERING_ATTRIBUTE
970 macro. Protect `src_coords_attribute' prototype with
971 DWARF_DECL_COORDINATES macro. Hide `output_entry_point_die'
972 prototype as in the rest of the file. Likewise for
973 `output_pointer_type_die' and `output_reference_type_die'. Remove
974 prototype for `type_of_for_scope'.
975 (output_unsigned_leb128): Reconcile format vs. args in fprintf.
976 (type_attribute): Add explicit braces to avoid ambiguous `else'.
978 * final.c: Include <stdlib.h> and <string.h>/<strings.h>.
979 (shorten_branches): Protect declaration of tmp_length with
980 SHORTEN_WITH_ADJUST_INSN_LENGTH and ADJUST_INSN_LENGTH macros.
981 (profile_function): Protect declaration of `sval' and `cxt'
982 variables with appropriate macros.
983 (final_scan_insn): Likewise for `note' variable. Add explicit
984 braces to avoid empty body in an if-statement.
985 (output_asm_insn): Move variable `i' inside macro conditional
986 where it is used. Add parentheses around assignment used as truth
988 (asm_fprintf) Likewise, likewise.
990 * fix-header.c (main): Remove unused variable `done'. Protect
991 declaration of `i' with FIXPROTO_IGNORE_LIST.
993 * pexecute.c: Include <unistd.h>. Prototype `my_strerror'.
995 * print-rtl.c (print_inline_rtx): Explicitly declare the parameter
998 * profile.c: Include <string.h>/<strings.h>.
999 (instrument_arcs): Remove unused variables `note', `inverted',
1000 `zero' and `neg_one'.
1001 (branch_prob): Avoid empty body in an if-statement.
1003 * regclass.c: Include <stdlib.h>.
1004 (reg_alternate_class): Explicitly declare parameter `regno'.
1006 * regmove.c (regmove_optimize): Remove unused variable `p'. Add
1007 parentheses around assignment used as truth value.
1008 (find_matches): Remove unused variables `output_operand' and
1010 (fixup_match_1): Remove statement with no effect: "if (0) ;".
1012 * scan.c (sstring_append): Explicitly declare `count' as int.
1013 (scan_string): Explicitly declare parameter `init' as int.
1015 * sched.c: Include <stdlib.h>.
1016 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
1017 (rank_for_schedule): Add parentheses around assignment used as
1019 (schedule_block): Likewise.
1020 (regno_use_in): Likewise.
1021 (schedule_insns): Remove unused variable `i'.
1023 * toplev.c: Include <stdlib.h> and <string.h>/<strings.h>.
1024 (v_message_with_decl): Remove unused variable `n'.
1025 (botch): Explicitly declare parameter `s' as char *.
1026 (main): Add parentheses around assignment used as truth value.
1028 * tree.c (make_node): Protect the variable `kind' with the
1029 GATHER_STATISTICS macro.
1030 (real_value_from_int_cst): Move variable `e' inside conditional
1031 macro area where it is used.
1032 (tree_last): Add parentheses around assignment used as truth value.
1033 (build1): Protect the variable `kind' with the GATHER_STATISTICS
1035 (print_obstack_statistics): Reconcile format vs. args in fprintf.
1036 Protect variables `i', `total_nodes', and `total_bytes' with the
1037 GATHER_STATISTICS macro.
1039 Tue Jan 27 23:01:55 1998 Mike Stump (mrs@wrs.com)
1041 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Add
1042 some comments regarding use of dead_or_set_p.
1044 Tue Jan 27 22:14:48 1998 Todd Vierling <tv@pobox.com>
1046 * fixincludes: Tweak fix for struct exception in math.h
1048 Tue Jan 27 17:21:09 1998 Gavin Koch (gavin@cygnus.com)
1050 * mips/mips.c (mips_expand_prologue,mips_expand_epilogue):
1051 Change mode of registers used to add/sub from
1052 hard_frame_pointer_rtx from word_mode to Pmode.
1054 Tue Jan 27 11:02:04 1998 Nick Clifton <nickc@cygnus.com>
1056 * v850.h (ASM_OUTPUT_ALIGNED_BSS): Use
1057 asm_output_aligned_bss() instead of asm_output_bss().
1059 * toplev.c (rest_of_compilation): Replace references to
1060 stack_reg_dump_file and dbr_sched_dump_file with references to
1063 Tue Jan 27 10:22:13 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
1065 * tlink.c (scan_linker_output): Call fclose() for opened files.
1067 Tue Jan 27 05:05:26 1998 Richard Henderson <rth@cygnus.com>
1069 * alpha.c (output_epilog [!VMS]): Don't tag global functions if
1070 compiling with -fpic -- we want to be able to override symbols
1072 (alpha_expand_block_move): Fix thinko in last change.
1074 * alpha.h (ASM_OUTPUT_MI_THUNK): New define.
1075 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): New define.
1076 * config/alpha/vms.h (ASM_OUTPUT_MI_THUNK): New undef.
1078 Tue Jan 27 03:21:23 1998 Richard Henderson <rth@cygnus.com>
1080 * alpha.md (abssf, absdf): Revert last change.
1082 Tue Jan 27 00:26:50 1998 John Carr <jfc@mit.edu>
1084 * dwarf2out.c (dwarf2out_frame_init): Test value of DWARF2_UNWIND_INFO.
1085 * mips/sni-svr4.h: Define DWARF2_UNWIND_INFO as 0.
1087 Tue Jan 27 00:07:02 1998 Jeffrey A Law (law@cygnus.com)
1089 * emit-rtl.c (gen_lowpart_common): Handle more case where converting
1090 a CONST_INT into SFmode.
1092 Tue Jan 20 16:01:03 1998 Anthony Green <green@cygnus.com>
1094 * flags.h: New flag (optimize_size).
1095 * toplev.c (main): Parse -Os option and set optimize_space
1097 * gcc.c (default_compilers), cp/lang-specs.h, f/lang-specs.h: Define
1098 __OPTIMIZE_SIZE__ when compiling with -Os.
1099 * config/dsp16xx/dsp16xx.h, config/i386/i386.h,
1100 config/i386/dgux.h, config/i960/i960.h, config/pdp11/pdp11.h,
1101 config/v850/v850.h (OPTIMIZATION_OPTIONS): New SIZE argument
1103 * config/i386/i386.c (optimization_options): Accept new SIZE argument.
1105 Mon Jan 26 23:57:39 1998 Manfred Hollstein <manfred@s-direktnet.de>
1107 * libgcc2.c (__clear_insn_cache): On sysV68 enable the memctl
1108 stuff only if MCT_TEXT is #define'd.
1110 Mon Jan 26 23:52:51 1998 Markus F.X.J. Oberhumer <k3040e4@c210.edvz.uni-linz.ac.at>
1112 * configure.in (i*86-pc-msdosdjgpp): Treat like msdos & go32
1115 Fri Jan 23 09:39:36 1998 Nick Clifton <nickc@cygnus.com>
1117 * toplev.c: Add -dM command line option to dump RTL after the
1118 machine dependent reorganisation pass, if there is one.
1119 Reorganise RTL dump code, so that only one file handle is
1122 Mon Jan 26 12:09:42 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
1124 * except.c (check_exception_handler_labels): Disable warning when
1127 Mon Jan 26 18:17:32 1998 Jim Wilson <wilson@cygnus.com>
1129 * sparc.c (pic_setup_code): Don't set LABEL_PRESERVE_P.
1131 Mon Jan 26 18:11:30 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1133 * c-decl.c (grokdeclarator): Get parameter tags from
1134 last_function_parm_tags.
1135 * dwarfout.c (output_formal_types): Set TREE_ASM_WRITTEN before
1136 traversing the parameter types.
1137 (output_type): No early exit for FUNCTION_TYPE / METHOD_TYPE context.
1139 Mon Jan 26 01:44:12 1998 Jeffrey A Law (law@cygnus.com)
1141 * h8300.c (print_operand): Handle CONST_DOUBLE for 'e', 'f', and
1143 (get_shift_alg): Fix typo.
1145 Sun Jan 25 22:22:04 1998 Richard Henderson <rth@cygnus.com>
1147 * alpha.c (alpha_expand_block_move): Copy ADDRESSOF to reg.
1149 Sun Jan 25 22:14:28 1998 Richard Henderson <rth@cygnus.com>
1151 * toplev.c (get_run_time): Make sure each case gets its variables.
1153 Sun Jan 25 22:10:21 1998 Richard Henderson <rth@cygnus.com>
1155 * configure.in (build_xm_file): Add auto-config.h if host=build.
1156 (host_xm_file_list): Don't add $(srcdir) to auto-config.h.
1157 (build_xm_file_list): Likewise.
1158 * configure: Rebuild.
1160 Sun Jan 25 22:00:25 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk>
1162 * recog.c (validate_replace_rtx_1): Only perform substitutions
1163 of arguments to commutative and comparison operators once.
1165 Sun Jan 25 12:30:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1167 * sparc.c (output_cbranch): Add default case in
1170 * reorg.c (insn_sets_resource_p): Correct typo in prototype.
1171 (emit_delay_sequence): Eliminate unused parameter, all callers
1173 (fill_simple_delay_slots): Likewise.
1174 (fill_slots_from_thread): Likewise.
1175 (fill_eager_delay_slots): Likewise.
1176 (mark_referenced_resources): Add default case in enumeration switch.
1177 (mark_set_resources): Likewise.
1178 (rare_destination): Likewise.
1179 (mostly_true_jump): Likewise.
1180 (find_dead_or_set_registers): Likewise.
1181 (redirect_with_delay_slots_safe_p): Remove unused variable `slots'.
1182 (update_reg_unused_notes): Remove unused variable `p'.
1183 (mark_target_live_regs): Remove unused variables `next' and
1185 (fill_simple_delay_slots): Remove unused variable `j'.
1186 (fill_slots_from_thread): Add parentheses around assignment used
1188 (dbr_schedule): Likewise.
1190 * objc/Make-lang.in (objc.stage1): Depend on stage1-start.
1191 (objc.stage2, objc.stage3, objc.stage4): Likewise.
1193 Sun Jan 25 12:13:47 1998 Michael Tiemann <michael@tiemann.org>
1195 * cse.c (simplify_ternary_operation): Don't try to simplify
1196 IF_THEN_ELSE expressions (created by combine) that don't use
1197 relational operators.
1199 Fri Jan 23 22:48:24 1998 Jeffrey A Law (law@cygnus.com)
1201 * cse.c (simplify_ternary_operation): Handle more IF_THEN_ELSE
1204 * crtstuff.c (init_dummy): Keep the epilogue in the init
1205 section for non-ELF systems.
1207 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1209 * sh.md (movqi_i+1): New peephole.
1211 Fri Jan 23 15:39:42 1998 Jim Wilson <wilson@cygnus.com>
1213 * Makefile.in: Remove remaining bytecode stuff.
1214 * emit-rtl.c, expr.c: Likewise.
1216 Fri Jan 23 12:41:10 1998 Nick Clifton (nickc@cygnus.com)
1218 * toplev.c (lang_options): Add unknown-pragma options.
1220 Thu Jan 22 23:43:38 1998 Per Bothner <bothner@cygnus.com>
1222 * dwarfout.c (byte_size_attribute): Simplify and fix - don't need
1223 special (and incomplete) handling for Chill arrays.
1225 Fri Jan 23 00:27:23 1998 John Carr <jfc@mit.edu>
1227 * toplev.c (get_run_time): Call sysconf(_SC_CLK_TCK), when available,
1230 Fri Jan 23 00:19:36 1998 Gavin Koch (gavin@cygnus.com)
1232 * mips.md (muldi3_internal2): Reverse test for TARGET_MIPS16.
1234 1998-01-22 scott snyder <snyder@d0sgif.fnal.gov>
1236 * mips.c (function_prologue): Use HARD_FRAME_POINTER_REGNUM in
1237 .frame directive instead of FRAME_POINTER_REGNUM.
1239 Fri Jan 23 00:08:55 1998 Robin Kirkham <rjk@mlb.dmt.csiro.au>
1241 * m68k.h (TARGET_SWITCHES): -mcpu32 now clears MASK_68881.
1242 (MACHINE_STATE_m68010_up): Replaced __mc68332__ with __mcpu32__.
1243 * m68k/m68k-none.h(CPP_FPU_SPEC): Update relative to TARGET_SWITCHES.
1244 (CPP_SPEC, ASM_SPEC, CC1_SPEC): Likewise.
1245 (CPP_SPEC): -m68332 defines both __mc68332 and __mcpu32__.
1246 * m68k/t-m68kbare (MULTILIB_OPTIONS): Add mcpu32.
1247 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
1248 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
1250 * longlong.h: Replace __mc68332__ with __mcpu32__.
1252 Thu Jan 22 19:55:40 PST 1998 Jeff Law (law@cygnus.com)
1254 * version.c: Bump for snapshot.
1256 Thu Jan 22 14:47:31 1998 Jim Wilson <wilson@cygnus.com>
1258 * reload.c (push_reload): In WORD_REGISTER_OPERATIONS code, add test
1259 to require the SUBREG mode to be smaller than the SUBREG_REG mode.
1260 * reload1.c (eliminate_regs): Likewise.
1262 Thu Jan 22 14:49:14 1998 Jeffrey A Law (law@cygnus.com)
1264 * regmove.c (find_matches): Initialize matches->earlyclobber too.
1266 Thu Jan 22 01:40:52 1998 Richard Henderson <rth@cygnus.com>
1268 * alpha.md (abssf2, absdf2): Disable in IEEE mode.
1269 (negsf2, negdf2): Use proper subtract in IEEE mode.
1271 Tue Jan 20 09:29:09 1998 Jeffrey A Law (law@cygnus.com)
1273 * Makefile.in: Remove more bytecode stuff.
1274 * expr.c, stmt.c, config/msdos/top.sed: Likewise.
1275 * vax/xm-vms.h, winnt/config-nt.sed: Likewise.
1276 * f/install.texi, objc/Make-lang.in: Likewise.
1278 * Makefile.in: Remove all bytecode support.
1279 (OBJS): Make sure last entry is a real object file, not EXTRA_OBJS.
1280 * emit-rtl.c: Remove all bytecode support.
1281 * expr.c, expr.h function.c, integrate.c: Likewise.
1282 * output.h, regclass.c, rtl.h, stmt.c, toplev.c: Likewise.
1283 * tree.h, varasm.c: Likewise.
1284 * config/m68k/m68k.h: Likewise.
1285 * bi-*, bc-*, bytecode*: Delete bytecode related files.
1286 * modemap.def: Likewise.
1288 Tue Jan 20 09:02:31 1998 Gavin Koch (gavin@cygnus.com)
1290 * mips/mips.md (divsi3,divdi3,modsi3,moddi3,udivsi3,udivdi3,
1291 umodsi3,umoddi3): Handle mips16 div/mod by a constant.
1293 Mon Jan 19 21:57:00 1998 Richard Henderson <rth@cygnus.com>
1295 * i386.md (push): Prohibit symbolic constants if flag_pic.
1296 (movsi+1): Likewise for move to non-register.
1298 Mon Jan 19 11:15:38 1998 Jim Wilson <wilson@cygnus.com>
1300 * alpha.c (mode_mask_operand): Accept 0xffffffff on 32 bit host.
1301 (print_operand): Handle 0xffffffff on 32 bit host.
1303 * configure.in (thread_file): Rename uses before main loop to
1304 target_thread_file. Initialize to empty in main loop. Set thread_file
1305 to target_thread_file after main loop if not set.
1306 * configure: Rebuild.
1308 * genattrtab.c (find_and_mark_used_attributes): Handle CONST_INT.
1309 (add_values_to_cover): Revert last change (which had no ChangeLog
1311 (simplify_with_current_value_aux): Handle CONST_INT.
1313 Mon Jan 19 10:14:55 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1315 * unprotoize.c: Define UNPROTOIZE first, to actually take effect.
1317 Mon Jan 19 10:11:52 1998 Richard Henderson <rth@cygnus.com>
1319 * configure.in: Add cpp stringify test.
1320 * acconfig.h (HAVE_CPP_STRINGIFY): New tag.
1321 * gengenrtl.c: Use it.
1322 * configure, config.in: Rebuild.
1324 Mon Jan 19 09:43:15 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1326 * Makefile.in (genrtl.c genrtl.h): Add dummy command for GNU make.
1328 Mon Jan 19 09:38:18 1998 Richard Henderson <rth@cygnus.com>
1330 * configure.in: Find declaration for sbrk.
1331 * acconfig.h (NEED_DECLARATION_SBRK): New tag.
1332 * config.in, configure: Rebuild.
1333 * mips-tfile.c: Properly protect declaration of sbrk and free.
1334 * toplev.c: Properly protect declaration of sbrk.
1336 Sun Jan 18 20:18:01 1998 Richard Henderson <rth@cygnus.com>
1338 * alpha.c (alpha_handle_trap_shadows): Ignore CLOBBERs.
1340 Sun Jan 18 01:54:27 1998 Jeffrey A Law (law@cygnus.com)
1342 * alpha/xm-winnt.h (HAS_INIT_SECTION): Undefine.
1344 Sun Jan 18 00:57:35 1998 Mike Stump (mrs@wrs.com)
1346 * configure.in (i960-wrs-vxworks): Default to latest vxworks release.
1348 Sat Jan 17 23:41:36 1998 David S. Miller <davem@tanya.rutgers.edu>
1350 * combine.c (force_to_mode, nonzero_bits): Correctly optimize
1351 constant offset computations from objects with known alignment in
1352 the presence of STACK_BIAS.
1354 * varasm.c (immed_double_const): Add casts to HOST_WIDE_INT where
1356 (const_hash): Hash val is unsigned long.
1357 (SYMHASH): Likewise.
1359 * tree.c (TYPE_HASH): Type of hash val is unsigned long.
1361 * print-tree.c (print_node_brief): HOST_PTR_PRINTF format wants a
1362 char pointer, not HOST_WIDE_INT.
1363 (print_node): Likewise. Also hash is unsigned long not
1366 * cse.c (canon_hash): Hash is unsigned long not HOST_WIDE_INT.
1368 * explow.c (optimize_save_area_alloca): New function for targets
1369 where SETJMP_VIA_SAVE_AREA is true.
1370 (allocate_dynamic_stack_space): On SETJMP_VIA_SAVE_AREA targets,
1371 compute the amount of stack space needed should we find later that
1372 setjmp is never called by this function, stuff rtl for this inside
1373 a REG_NOTE of the final SET of stack_pointer_rtx.
1374 * toplev.c (rest_of_compilation): If SETJMP_VIA_SAVE_AREA and
1375 current_function_calls_alloca, call optimize_save_area_alloca.
1377 Sat Jan 17 23:22:59 1998 John Wehle (john@feith.com)
1379 * i386.md: Remove redundant integer push patterns.
1380 Don't bother checking for TARGET_PUSH_MEMORY when
1381 pushing constants or registers.
1383 Sat Jan 17 22:35:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
1384 J.J VanderHeijden <J.J.vanderHeijden@student.utwente.nl>
1386 * pexecute.c (pexecute): New function for mingw32. Supports pipes.
1387 (pwait): New function for mingw32.
1389 * gcc.c (execute): Mingw32 pexecute() supports pipes, but cygwin32
1390 pipe support is broken for now.
1392 1998-01-17 Lee Iverson <leei@Canada.AI.SRI.COM>
1394 * emit_rtl.c (init_emit_once): Ensure that potential aliasing
1395 between frame_pointer_rtx, hard_frame_pointer_rtx, and
1396 arg_pointer_rtx is respected in initialization.
1397 (init_emit_once): Use gen_rtx_raw_REG() to create
1398 return_address_pointer_rtx.
1400 * reorg.c: #include "expr.h" for rtx prototypes.
1401 * Makefile.in (reorg.o): Depend on expr.h
1403 Sat Jan 17 21:28:08 1998 Pieter Nagel <pnagel@epiuse.co.za>
1405 * Makefile.in (FLAGS_TO_PASS): Pass down gcc_include_dir and
1406 local_prefix to sub-make invocations.
1408 Sat Jan 17 21:24:16 1998 David T. McWherter <dtm@waterw.com>
1410 * objc-parse.c: Recognize protocol qualifiers in class definitions.
1412 Sat Jan 17 21:16:19 1998 Jeffrey A Law (law@cygnus.com)
1416 * acconfig.h (NEED_DECLARATION_ATOL): New declaration to check for.
1417 * configure.in: Check for atol.
1418 * rtl.c (atol): Only provide the declaration if NEED_DECLARATION_ATOL.
1420 * rtl.c (read_rtx): Initialize list_rtx to NULL, not NULL_RTX.
1422 * loop.c (find_and_verify_loops): When attempting to move insns from
1423 inside the loop outside the loop, create a BARRIER if no suitable
1426 * jump.c (jump_optimize): Remove Dec 17, 1997 chance in
1427 favor of an equivalent change from gcc-2.8.
1429 * i386/x-sco5 (CC): Remove trailing whitespace.
1431 Sat Jan 17 21:09:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1433 * gengenrtl.c (type_from_format): De-ANSIfy function signature.
1434 (accessor_from_format): Likewise.
1435 (xmalloc): New function for use when linking with alloca.o.
1437 Mon Jan 5 02:53:01 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
1439 * frame.c (find_fde): Correct FDE's upper bound.
1441 Fri Jan 16 16:23:52 1998 Richard Henderson <rth@cygnus.com>
1443 * gengenrtl.c (DEF_RTL_EXPR): Provide a K&R compliant version.
1445 Fri Jan 16 10:16:10 1998 Jeffrey A Law (law@cygnus.com)
1447 * calls.c (expand_call): Move #ifdef code out of macro argument
1449 (emit_library_call, emit_library_call_value): Likewise.
1451 Fri Jan 16 00:46:40 1998 Jeffrey A Law (law@cygnus.com)
1453 * rtl.def (INLINE_HEADER): Fix bug exposed by gen_rtx_FOO changes.
1455 Thu Jan 15 01:02:30 1998 Jeffrey A Law (law@cygnus.com)
1457 * version.c: Bump for snapshot.
1459 Wed Jan 14 22:49:17 1998 Richard Henderson <rth@cygnus.com>
1461 * alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO;
1462 change gen_rtx(expr...) to gen_rtx_fmt_foo(expr...).
1463 * caller-save.c, calls.c, combine.c, cse.c: Likewise.
1464 * dwarf2out.c, except.c, explow.c, expmed.c, expr.c: Likewise.
1465 * final.c, flow.c, function.c, genpeep.c, haifa-sched.c: Likewise.
1466 * halfpic.c, integrate.c, jump.c, local-alloc.c, loop.c: Likewise.
1467 * profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise.
1468 * reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise.
1469 * unroll.c, varasm.c: Likewise.
1470 * config/alpha/alpha.c, config/alpha/alpha.md: Likewise.
1472 Wed Jan 14 19:36:08 1998 Gavin Koch (gavin@cygnus.com)
1474 * mips.h: Fix some type-o's from a previous change.
1476 Wed Jan 14 01:26:05 1998 Jeffrey A Law (law@cygnus.com)
1478 * loop.c (check_dbra_loop): Make sure initial value is a
1479 CONST_INT before trying to normalize it.
1481 Tue Jan 13 23:27:54 1998 Robert Lipe (robertl@dgii.com)
1483 * sco5.h (ASM_OUTPUT_SECTION_NAME): Refresh from ../svr4.h.
1485 Tue Jan 13 22:47:02 1998 Herman ten Brugge <herman@htbrug.net.HCC.nl>
1487 * cppexp.c: Include gansidecl.h
1489 Tue Jan 13 22:43:35 1998 Ian Lance Taylor <ian@cygnus.com>
1491 * svr4.h (LINK_SPEC): Never specify -h.
1492 * ptx4.h (LINK_SPEC): Likewise.
1493 * rs6000/sysv4.h (LINK_SPEC): Likewise.
1494 * sparc/sol2.h (LINK_SPEC): Likewise.
1496 Tue Jan 13 22:39:40 1998 Richard Henderson (rth@cygnus.com)
1498 * c-typeck.c (comptypes): Exit early on NULL input.
1500 * haifa-sched.c (schedule_insns): Correctly remove inter-block
1501 dependencies after reload.
1503 Tue Jan 13 22:22:31 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
1505 * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__.
1507 Tue Jan 13 22:14:57 1998 Klaus Kaempf <kkaempf@progis.de>
1509 * alpha/vms.h (DIR_SEPARATOR): define
1511 Tue Jan 13 22:13:04 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
1513 * Makefile.in (stamp-proto): Remove.
1514 (protoize.o, unprotoize.o): Straightforward compile.
1515 * unprotoize.c: Define UNPROTOIZE here, not in the Makefile.
1517 Tue Jan 13 21:59:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
1519 * i386/cygwin32.h (STRIP_NAME_ENCODING): Define for Win32 to strip
1520 off the trailing @[NUM] added by ENCODE_SECTION_INFO.
1522 Tue Jan 13 21:55:06 1998 Jeffrey A Law (law@cygnus.com)
1524 * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now.
1525 * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise.
1526 * sparc/netbsd.h, vax/netbsd.h: Likewise.
1528 Tue Jan 13 21:37:07 1998 Shigeya Suzuki <shigeya@foretune.co.jp>
1530 * i386/bsd386.h (DWARF2_UNWIND_INFO): Define as zero for now.
1532 Tue Jan 13 17:50:55 1998 Jim Wilson <wilson@cygnus.com>
1534 * configure.in (target_cpu_default, target_cpu_default2): Use double
1535 quotes around them when testing their value.
1536 * configure: Rebuilt.
1538 Tue Jan 13 09:07:44 1998 John Carr <jfc@mit.edu>
1540 * gengenrtl.c (gencode): Emit new function obstack_alloc_rtx
1542 (gendef): Call obstack_alloc_rtx.
1544 Tue Jan 13 01:16:36 1998 Robert Lipe (robertl@dgii.com)
1546 * configure.in: (i[3456]86-UnixWare7-sysv5): Treat much like SVR4
1549 Thu Dec 18 18:40:17 1997 Mumit Khan <khan@xraylith.wisc.edu>
1551 * i386/mingw32.h (INCOMING_RETURN_ADDR_RTX): Delete. Use the value
1552 of DWARF2_UNWIND_INFO, if any, from i386/cygwin32.h instead.
1553 (STANDARD_INCLUDE_DIR): Change to /usr/local/i386-mingw32/include.
1555 Tue Jan 13 00:44:02 1998 Jim Wilson <wilson@cygnus.com>
1557 * mips.md (return_internal): Change mode from SImode to VOIDmode.
1559 Sat Jan 10 22:11:39 1998 J. Kean Johnston <jkj@sco.com>
1561 * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle
1564 Sat Jan 10 22:04:15 1998 Stan Cox <scox@equinox.cygnus.com>
1566 * i386.md: (movsicc_1, movhicc_1): For alternate 3 set the opcode
1567 suffix from operand 3.
1569 Sat Jan 10 21:50:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1570 Jeffrey A Law (law@cygnus.com)
1572 * regmove.c: New implementation of regmove pass.
1573 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2): Remove
1574 decls, make them have external linkage. Return a value from
1575 optimize_reg_copy_1.
1576 * reload.h (count_occurrences): Add decl.
1577 * reload1.c (count_occurrences): Delete decl, make it have external
1579 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Declare.
1581 Sat Jan 10 20:30:12 1998 Jeffrey A Law (law@cygnus.com)
1583 * regclass.c (record_address_regs): Don't use REG_OK_FOR_BASE_P
1584 if it is not defined.
1586 Thu Jan 8 21:06:54 1998 Richard Henderson <rth@cygnus.com>
1588 * Makefile.in (OBJ, GEN, RTL_H): Add genrtl.[oh] bits.
1589 * emit-rtl.c (gen_rtx): Move special code to ...
1590 (gen_rtx_CONST_INT): New function.
1591 (gen_rtx_REG): New function.
1592 (*): Update all calls to gen_rtx.
1593 * genemit.c (gen_exp): Emit calls to gen_rtx_FOO for constant FOO.
1594 * rtl.h: Include genrtl.h; prototype CONST_INT & REG generators.
1595 (GEN_INT): Call gen_rtx_CONST_INT.
1596 * gengenrtl.c: New file.
1598 Mon Jan 5 13:00:18 1998 John F. Carr <jfc@mit.edu>
1600 * alias.c (*_dependence): Call base_alias_check before canon_rtx.
1601 (base_alias_check): If no base found for address call canon_rtx and
1604 Mon Jan 5 11:39:49 1998 Jeffrey A Law (law@cygnus.com)
1606 * mips.c (mips_expand_prologue): Handle large frame with no outgoing
1607 arguments for mips16.
1608 (mips_expand_epilogue): Pass "orig_tsize" to save_restore_insns.
1609 Don't lose if tsize is zero after handling large stack for mips16.
1610 * mips.md (return): For trivial return, return address is in $31.
1612 Sun Jan 4 20:24:00 1998 Nigel Stephens <nigel@algor.co.uk>
1614 * mips/mips16.S: Various changes to make it work with -msingle-float
1617 Sun Jan 4 14:25:18 1998 Gavin Koch <gavin@cygnus.com>
1618 Ian Lance Taylor <ian@cygnus.com>
1619 Jeff Law <law@cygnus.com>
1621 * mips.c, mips.h, mips.md: First cut at merging in mips16
1622 support. Major modifications throughout all three files.
1624 Sun Jan 4 01:01:50 1998 scott snyder <snyder@d0sgif.fnal.gov>
1626 * configure.in: Make gthr-default.h a forwarding header instead of
1629 Sat Jan 3 12:08:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1631 * gcov-io.h: Include sys/types.h to ensure we get size_t.
1633 * pa.h (ASM_OUTPUT_MI_THUNK): Add missing % in fprintf.
1635 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
1636 Jeffrey A Law (law@cygnus.com)
1638 * crtstuff.c (__frame_dummy): New function for irix6.
1639 (__do_global_ctors): Call __frame_dummy for irix6.
1640 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
1642 Fri Jan 2 04:57:57 1998 Weiwen Liu <liu@hepmail.physics.yale.edu>
1644 * alpha.c (vms_valid_decl_attribute_p): Move within #if OPEN_VMS.
1646 Fri Jan 2 04:34:14 1998 Richard Henderson <rth@cygnus.com>
1648 * c-decl.c (init_decl_processing): Provide proper fallback symbol
1649 for __builtin_memset.
1650 * expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
1651 not INTEGER_CST. Assert arg 3 is a constant.
1653 * alpha.c (mode_width_operand): Accept 64-bit modes.
1654 (mode_mask_operand): Likewise.
1655 (print_operand): Likewise for 'M' and 'U' codes.
1656 (alpha_expand_unaligned_load): New function.
1657 (alpha_expand_unaligned_store): Likewise.
1658 (alpha_expand_unaligned_load_words): Likewise.
1659 (alpha_expand_unaligned_store_words): Likewise.
1660 (alpha_expand_block_move): Likewise.
1661 (alpha_expand_block_clear): Likewise.
1662 * alpha.h (MOVE_RATIO): New define.
1663 * alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
1664 (insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
1666 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
1667 (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.
1669 Thu Jan 1 15:40:15 1998 Richard Henderson <rth@cygnus.com>
1671 * configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
1672 * configure: Update.
1674 Thu Jan 1 10:49:12 1998 Jeffrey A Law (law@cygnus.com)
1676 * emit-rtl.c (operand_subword): Correctly handle extracting a word
1677 from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN.
1679 * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate
1682 Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com>
1684 * configure.in: Set and subsitute host_exeext. Use it when creating
1685 the assembler and linker symlinks.
1686 * configure: Rebuild.
1687 * Makefile.in (exeext): Set to @host_exeext@.
1688 (build_exeext): New variable, set to @build_exeext@.
1689 (FLAGS_TO_PASS): Pass down build_exeext.
1690 (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi*
1693 Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com)
1695 * mn10200.md (addsi3, subsi3): Fix thinkos.
1697 Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com>
1699 * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
1700 save+restore. Fix pic+big_offset delay slot. Use "pic" case for
1701 unix always, since we want to be able to thunk to functions in a
1702 shared library from an application.
1704 Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com>
1706 * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.
1707 (LIB1ASMSRC, LIB1ASMFUNCS): Define.
1709 Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com)
1711 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
1712 offset's mode is not ptr_mode, convert it.
1714 Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com>
1716 * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross
1717 compiling if it was already defined.
1719 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
1721 * flow.c (find_basic_blocks): Don't create a new basic block
1722 for calls in a LIBCALL block.
1724 Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu>
1726 * config/fp-bit.c (L_df_to_sf): Fix typo in last change.
1728 Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com)
1730 * cse.c (rtx_cost): Remove conflicting default case.
1732 Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com>
1734 * configure.in: Move default enabling of Haifa out of for loop.
1735 * configure: Rebuild.
1737 Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com)
1739 * version.c: Bump for snapshot.
1741 1997-12-25 Teemu Torma <tot@trema.com>
1743 * Makefile.in (GTHREAD_FLAGS): New var.
1744 (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
1745 (distclean): Remove gthr-default.h.
1747 * configure.in: Accept dce as a thread package.
1748 Check for thread.h and pthread.h.
1749 Link gthr-default.h to appropriate thread file and set
1751 (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
1752 include multilib definitions from pa/t-dce-thr.
1753 (sparc-*-solaris2*): Enable threads by default, if thread.h or
1754 pthread.h is found, preferring posix threads over solaris ones.
1756 * config/pa/t-dce-thr: New file.
1757 * config/pa/t-pa: Removed multilibs.
1758 * config/sparc/t-sol2: Ditto.
1761 * gthr-single.h: New file.
1762 * gthr-posix.h: New file.
1763 * gthr-solaris.h: New file.
1764 * gthr-dce.h: New file.
1765 * libgcc-thr.h: Removed.
1766 * objc/thr-dce.c: New file copied from thr-decosf1.c.
1768 * frame.c: Include gthr.h instead of libgcc-thr.h.
1769 * libgcc2.c: Include gthr.h instead of libgcc-thr.h.
1770 (eh_context_initialize): If __gthread_once fails, use static eh
1772 (eh_context_free): Call __gthread_key_dtor.
1774 Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com)
1776 * expr.h (MUST_PASS_IN_STACK): Allow target port to override.
1778 Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com>
1780 * cse.c (max_insn_uid): New variable.
1781 (cse_around_loop): Use max_insn_uid.
1782 (cse_main): Set max_insn_uid.
1784 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
1785 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
1786 -mlong64, and -mgp{32,64} options.
1787 * mips.c (mips_abi): Change type to int.
1788 * mips.h (enum mips_abi_type): Delete.
1789 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
1790 (mips_abi): Change type to int.
1792 Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu>
1794 * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
1795 optimization is now always enabled.
1797 * calls.c (expand_call): Recognize C++ operator new as malloc-like
1800 * alias.c (memrefs_conflict_p): Eliminate tests now done by
1802 (*_dependence): Call canon_rtx before base_alias_check.
1803 (init_alias_once): New function to precompute set of registers which
1804 can hold Pmode function arguments.
1806 * rtl.h: Declare init_alias_once.
1808 * toplev.c (compile_file): Call init_alias_once.
1810 Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com)
1812 * tree.c (restore_tree_status): Do not dereference a null pointer.
1814 Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com>:
1816 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to
1817 RLIMIT_STACK. This maintains consistency with the recent, similar
1818 patch to cccp.c and toplev.c.
1820 Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com>
1822 * genattrtab.c (expand_units): For large nr opclasses, expand
1823 function_units_used with ORX to prevent blowups. Tag with FFS.
1824 (num_unit_opclasses): New variable.
1825 (gen_unit): Update it.
1826 (enum operator): Add ORX_OP.
1827 (operate_exp): Treat ORX as or, except don't expand across an if.
1828 Reuse number rtx's after operating on them.
1829 (check_attr_value): Accept IOR, AND, & FFS.
1830 (write_test_expr): Transmute `in_comparison' to `flags'. Allow
1831 for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE.
1832 (write_expr_attr_cache, write_toplevel_expr): New functions.
1833 (write_attr_get): Handle FFS-tagged expressions.
1834 (make_canonical): Don't expand const attributes.
1835 (convert_const_symbol_ref): Dike out.
1836 (evaluate_eq_attr): Handle SYMBOL_REF.
1837 (main): Don't emit get_attr_foo for const attributes.
1839 * alpha.c (override_options): Reinstate PROCESSOR_EV6.
1840 (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests.
1841 * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly.
1842 * alpha.md: Redo all of the scheduling, adding EV6 support, and
1843 combining function units where possible.
1844 (attr "type"): Split loads, stores, cmov into int/fp. Combine
1845 multiplies and divides. Add EV6 sqrt, ftoi, itof.
1846 (attr "opsize"): New attribute.
1847 (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns.
1848 (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX
1849 to control register allocation.
1850 (movsi2-1, movdi2-1): Likewise.
1852 Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com>
1854 * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
1855 MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
1856 Move OSF/1 specific defines out.
1857 * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
1858 Move Linux specific defines out.
1859 (LINK_SPEC): Genericize.
1860 (ASM_FILE_START): Emit .arch if using more than the base insn set.
1861 (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
1862 (SDB_DEBUGGING_INFO): Remove; gas can't handle it.
1863 (HANDLE_SYSV_PRAGMA): Define.
1864 * alpha/osf.h: New file.
1865 * alpha/linux.h: Split. Retain file-format independant defines.
1866 Import Linux bits from elf.h.
1867 (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
1868 (FUNCTION_PROFILER): _mcount takes its address in $28.
1869 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
1870 * alpha/linux-ecoff.h: New file.
1871 * alpha/linux-elf.h: New file.
1872 * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
1873 * alpha/win-nt.h (TARGET_DEFAULT): Define.
1874 * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
1875 Add new headers as appropriate.
1877 * configure.in (alpha*): Enable Haifa by default.
1878 (*-*-winnt3*): Change to winnt*, since we're not v3 specific.
1879 * configure: Rebuild.
1881 Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com>
1883 * Makefile.in (clean): Remove the stages with their objects here ...
1884 (distclean): ... instead of here.
1886 Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1888 * cse.c (rtx_cost): Add default case in enumeration switch.
1889 * fix-header.c (recognized_macro): Likewise.
1890 (recognized_extern): Likewise.
1891 (write_rbrac): Likewise.
1892 * objc/objc-act.c (encode_aggregate): Likewise.
1893 (gen_declarator): Likewise.
1894 (gen_declspecs): Likewise.
1896 Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com)
1898 * haifa-sched.c (create_reg_dead_note): Detect and handle another
1899 case where we kill more regs after sched than were killed before
1901 * sched.c (create_reg_dead_note): Similarly.
1903 Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com)
1905 * c-pragma.c: Include flags.h.
1907 Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu>
1909 * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything
1910 about system headers.
1911 (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32
1912 and also to resolve symbols in prefix.c.
1914 * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict
1915 between gansidecl.h and newlib's _ansi.h when building libgcc2.a,
1916 when the definitions in auto-config.h is not visible.
1917 (HAVE_BZERO): Likewise.
1918 (HAVE_BCMP): Likewise.
1919 (HAVE_RINDEX): Likewise.
1920 (HAVE_INDEX): Likewise.
1922 Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com)
1924 * pa.c (emit_move_sequence): Handle a function label source
1927 Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com
1929 * c-pragma.c (handle_pragma_token): Generate warning messages
1930 about unknown pragmas if warn_unknown_pragmas is set.
1932 * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
1933 line option to set variable: warn_unknown_pragmas.
1935 Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de>
1937 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the
1939 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'.
1941 Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com)
1943 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define.
1944 (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to
1945 generate more fine grained floating point emulation libraries.
1946 * config/fp-bit.c: Add protecting #ifdef to all functions so
1947 that they can be compiled separately. If !FINE_GRAINED_LIBRARIES,
1948 then compile all suitable functions.
1949 (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two
1950 underscores to avoid namespace pollution.
1951 * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c
1953 * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
1957 Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1958 Jeff Law <law@cygnus.com>
1960 * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
1962 * c-decl.c (finish_decl): Use parentheses around && within ||.
1963 * rtl.c: Include stdlib.h.
1964 (read_skip_spaces): Add parentheses around assignments used as
1966 (read_rtx): Initialize list_rtx.
1967 * cppexp.c (parse_number): Use || when operands are truth values.
1968 * alias.c (find_base_value): Add default case.
1969 (memrefs_conflict): Likewise.
1970 * combine.c (sets_function_arg_p): Likewise.
1971 * genemit.c (gen_exp): Likewise.
1972 * local-alloc.c (contains_replace_regs): Likewise.
1973 * rtlanal.c (jmp_uses_reg_or_mem): Likewise.
1974 * fold-const.c (fold_convert): Use "&&" for truth values.
1975 (fold): Add default case.
1976 * sdbout.c (sdbout_field_types): Fix typo in declaration.
1977 (sdbout_one_type): Add default case.
1978 * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
1979 (some_operand): Add default case.
1980 (input_operand): Likewise.
1981 (signed_comparison_operator): Likewise.
1982 (divmod_operator): Likewise.
1983 (alpha_set_memflags_1): Likewise.
1984 * reload1.c (reload_cse_simplify_operands): Ensure function
1985 always returns a value.
1986 * scan-decls.c (scan_decls): Likewise.
1987 * c-lex.c (skip_white_space): Fix typo in declaraion.
1988 * c-typeck.c (comp_target_types): Add parentheses around assignment
1989 used as truth value.
1990 (print_spelling): Likewise.
1991 (constructor_implicit, constructor_result): Remove unused variables.
1992 * collect2.c (scan_library): Protect prototype with
1993 #ifdef SCAN_LIBRARIES.
1994 * emit-rtl.c (find_line_note): Fix typo in declaration.
1995 * final.c (asm_insn_count): Protect prototype with
1996 #ifdef HAVE_ATTR_length.
1997 * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
1998 (try_pre_increment_1, try_pre_increment): Likewise.
1999 * regclass.c (auto_inc_dec_reg_p): Protect prototype with
2000 #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit.
2001 * gcov-io.h (__store_long, __write_long, __read_long): Fix
2002 unsigned/signed comparisons.
2003 * gcov.c (read_files): Remove unused "first_type" variable.
2004 (scan _for_source_files): Initialize s_ptr.
2005 (function_summary): Eliminate "%lf" formatting, use %ld for
2007 (output_data): Initialize branch_probs and last_line_num.
2008 Eliminate "%lf" formatting, use "%ld" for longs.
2010 Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com>
2012 * mips16.S: New file.
2014 * libgcc2.c (varargs): Handle mips16.
2016 * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
2018 * stmt.c (expand_end_case): Likewise.
2019 * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
2020 * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
2021 * rs6000.h, sh.h, tahoe.h, v850.h vax.h z8k.h: Likewise.
2023 Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2025 * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in
2026 the build directory.
2027 (libobjc.a): Update dependency list.
2028 (libobjc.dll): Likewise. Use libobjc_entry.o from the build
2030 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h.
2031 (objc.mostlyclean): Remove runtime-info.h.
2033 Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com>
2035 * tree.c (build_range_type): Allow creation of ranges with no maximum.
2036 * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE.
2037 * dwarf2out.c (add_subscript_info): Likewise.
2038 * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise.
2039 * sdbout.c (plain_type_1): Likewise.
2040 * stmt.c (pushcase_range, all_cases_count, node_has_high_bound):
2042 * fold-const.c (int_const_binop, fold_convert, make_range, fold):
2045 Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2047 * mips.c (fatal): Remove declaration.
2049 1997-12-18 Mark Mitchell <mmitchell@usa.net>
2051 * integrate.c (get_label_from_map): New function.
2052 (expand_inline_function): Use it. Initialize the label_map to
2053 NULL_RTX instead of gen_label_rtx.
2054 (copy_rtx_and_substitute): Use get_label_from_map.
2055 * integrate.h (get_label_from_map): New function.
2056 (set_label_from_map): New macro.
2057 * unroll.c (unroll_loop): Use them.
2058 (copy_loop_body): Ditto.
2060 Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com>
2062 * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined.
2063 (INIT_TARGET_OPTABS): Define.
2064 * mips/ecoff.h: Include gofast.h before mips.h.
2065 (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS.
2066 * mips/elf64.h: Likewise.
2067 * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define.
2069 Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com>
2071 * except.c: Remove register_exception_table{,_p}.
2073 Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com>
2075 * unroll.c (calculate_giv_inc): Handle constant increment found in
2076 a MEM with an appropriate REG_EQUAL note.
2078 * calls.c (expand_call): Implement LOAD_ARGS_REVERSED.
2080 * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the
2081 frame pointer in the prologue.
2083 Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com>
2085 * i386/x-sco5 (CLIB) Deleted. (ALLOCA) Added.
2086 * i386/xm-sco5.h (USE_C_ALLOCA) Added.
2088 Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com>
2090 * config/m68k/m68k.c (output_function_prologue): Typecast
2091 dwarf2out_cfi_label to (char *).
2092 * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "".
2094 Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com>
2096 * sparc.md (jump): Don't use the annul bit around an empty loop.
2097 Patch from Kevin.Kelly@East.Sun.COM.
2099 Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com)
2101 * jump.c: (jump_optimize): Don't use the return register as a
2102 source1 of a conditional move.
2104 Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com>
2106 * sparc.c (DF_MODES): Or the mask not the bit number.
2107 (function_arg) [ARCH64]: Send unprototyped arg to fp reg first.
2109 Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
2111 * combine.c (force_to_mode): return immediately if operand is a CLOBBER.
2113 Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de>
2115 * fixincludes (size_t): Add support for Motorola's stdlib.h
2116 which fails to provide a definition for size_t.
2117 (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3.
2118 (strlen,strspn,strcspn return value): Handle different layout on sysV88.
2119 (hypot): Provide a fake for hypot for m88k-motorola-sysv3.
2121 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
2122 prevent unresolved externals in libio.
2123 * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise.
2125 Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org)
2127 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
2128 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
2129 (LIB_SPEC): Updated for glibc 2.
2131 Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com)
2133 * ginclude/stdarg.h: Undo BeOS changes, they break hpux.
2134 * ginclude/varargs.h: Likewise.
2136 Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com)
2138 * version.c: Bump for snapshot.
2140 Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org)
2142 * frame.h (__register_frame, __register_frame_table,
2143 __deregister_frame): New.
2144 * frame.c (__register_frame, __register_frame_table,
2145 __deregister_frame): New.
2146 * frame.c (__deregister_frame_info): Return void *.
2147 * frame.h (__deregister_frame_info): Ditto.
2148 * collect2.c (__deregister_frame_info): Ditto.
2150 Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com>
2152 * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG.
2154 Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com>
2156 * alpha.c (alpha_cpu_name): New variable.
2157 (alpha_mlat_string): Likewise.
2158 (alpha_memory_latency): Likewise.
2159 (override_options): Handle -mmemory-latency.
2160 (alpha_adjust_cost): Adjust load cost for latency.
2161 * alpha.h (TARGET_OPTIONS): Add meory-latency.
2162 (REGISTER_MOVE_COST): Define in terms of memory_latency. Take
2163 TARGET_CIX into account.
2164 (MEMORY_MOVE_COST): Define in terms of memory_latency.
2165 * invoke.texi (DEC Alpha Options): Document -mmemory-latency.
2167 * alpha.h (ASM_COMMENT_START): New macro.
2169 Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com>
2171 * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c,
2172 dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change.
2174 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
2175 SUBREG_REG if the word count is unchanged.
2176 * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve
2177 subregs of identical word size for push_reload.
2179 Mon Dec 15 Mark Mitchell <mmitchell@usa.net> 11:41:32 1997
2181 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
2182 if all we're doing is dealing with -Wreturn-type.
2184 Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com>
2186 * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2):
2187 Use and 255 instead of zapnot 1, since it schedules better.
2189 Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com)
2191 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
2194 Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com)
2196 * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on
2197 dependency we delete. Properly update prev for multiple consecutive
2199 (priority): Skip deleted dependence.
2201 Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com>
2203 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod.
2205 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
2207 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
2208 determining when a new basic block starts.
2210 * alpha/osf2or3.h (LIB_SPEC): Restore missing defn.
2212 * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS.
2213 * pa.md (iorsi3): Add missing args to *_operand calls.
2215 * except.c (call_get_eh_context): Don't mess with sequences.
2216 (emit_eh_context): Include the call in the sequence here.
2218 1997-12-11 Paul Eggert <eggert@twinsun.com>
2220 * collect2.c (write_c_file_glob): Allocate initial frame object
2221 in static storage and pass its address.
2223 Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com>
2225 * except.c (call_get_eh_context): Don't take a parm.
2226 Put the call at the top of the function.
2227 (emit_eh_context): Adjust.
2228 (get_eh_context): Replace with former use_eh_context.
2229 (get_eh_context_once, get_saved_pc_ref): Remove.
2230 (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove.
2232 * integrate.c (expand_inline_function): Adjust.
2233 * toplev.c (rest_of_compilation): Don't call emit_unwinder.
2235 Fri Oct 10 17:58:31 CEST 1997 Marc Lehmann <pcg@goof.com>
2237 * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define.
2238 (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise.
2240 Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de>
2242 * fixincludes (strlen,strspn,strcspn return value): Handle different
2244 (hypot): Provide a fake for hypot which is broken on
2245 m88k-motorola-sysv3.
2247 Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu>
2249 * tree.c, tree.h: Change tree_code_type, tree_code_length, and
2250 tree_code_name from pointers to arrays.
2251 * tree.c: Remove standard_tree_code_* variables, no longer used.
2252 * print-tree.c: Remove declaration of tree_code_name.
2254 * cp/lex.c (init_lex): Update for tree_code_* changes.
2255 * objc/objc-act.c (init_objc): Likewise.
2257 * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code
2260 Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com>
2262 * config.sub: Add support for BeOS target.
2263 * configure.in: Likewise.
2264 * ginclude/stdarg.h: Likewise.
2265 * ginclude/stddef.h: Likewise.
2266 * ginclude/varargs.h: Likewise.
2267 * rs6000/beos.h: New file for BeOS.
2268 * rs6000/t-beos: Likewise.
2269 * rs6000/x-beos: Likewise.
2270 * rs6000/xm-beos.h: Likewise.
2271 * toplev.c (get_run_time): Just return 0 on BeOS.
2273 Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com)
2274 Toon Moene (toon@moene.indiv.nluug.nl)
2276 * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly
2277 old and broken Sun3 assemblers. Newer versions handle large
2278 offsets correctly as does the GNU assembler.
2280 Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2282 * objc/objc-act.c (lang_report_error_function): Disable.
2283 * objc/objc-parse.y: Include "output.h".
2284 (yyerror): Remove redundant decl.
2285 (yyprint): Fix prototype.
2286 (apply_args_register_offset): Remove redundant decl.
2287 (get_file_function_name): Likewise.
2289 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
2291 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
2293 (find_basic_blocks_1): Likewise.
2295 Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com>
2297 * except.c (use_eh_context): Don't copy_rtx a REG.
2298 (emit_throw): Lose old unwinder support.
2299 (expand_internal_throw): Likewise.
2300 * libgcc2.c (struct eh_context): Likewise.
2301 (new_eh_context): Likewise.
2302 (__get_eh_info): Lose redundant cast.
2303 (__get_dynamic_handler_chain): Likewise.
2304 (__get_saved_pc): Lose.
2305 Lose all old unwinder support code.
2307 Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com>
2309 Thread-safe EH support for pthreads, DCE threads and Solaris threads.
2311 * integrate.c (expand_inline_function): If the inline fn uses eh
2312 context, make sure that the current fn has one.
2313 * toplev.c (rest_of_compilation): Call emit_eh_context.
2314 * except.c (use_eh_context): New fn.
2315 (get_eh_context_once): New fn.
2316 (call_get_eh_context): New fn.
2317 (emit_eh_context): New fn.
2318 (get_eh_context): Call either get_eh_context_once or
2319 call_get_eh_context, depending on what we have.
2320 (get_dynamic_handler_chain): Call get_eh_context_once.
2321 * except.h: Prototypes for fns above.
2322 * optabs.c (get_eh_context_libfunc): Removed.
2323 (init_optabs): Don't initialize it.
2324 * expr.h (get_eh_context_libfunc): Removed.
2325 * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
2326 * config/pa/pa.h (CPP_SPEC): Support for -threads.
2327 * config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
2328 * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
2329 New multilib for -threads.
2330 * config/sparc/t-sol2: Added multilibs for -threads and
2331 made -pthreads alias to it.
2332 * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
2333 Added -threads and -pthreads options.
2334 * libgcc-thr.h: New file.
2335 * libgcc2.c: (__get_cpp_eh_context): Removed.
2336 (struct cpp_eh_context): Removed.
2337 (struct eh_context): Replaced cpp_eh_context with generic language
2339 (__get_eh_info): New function.
2340 (__throw): Check eh_context::info.
2342 * libgcc2.c: Include libgcc-thr.h.
2343 (new_eh_context, __get_eh_context,
2344 eh_pthread_initialize, eh_context_initialize, eh_context_static,
2345 eh_context_specific, eh_context_free): New functions.
2346 (get_eh_context, eh_context_key): New variables.
2347 (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
2348 get_eh_context to get the context.
2349 (longjmp): Move the declaration inside
2350 #ifdef DONT_USE_BUILTIN_SETJMP.
2351 * frame.c: Include libgcc-thr.h.
2352 (object_mutex): Mutex to protect the object list.
2353 (find_fde, __register_frame, __register_frame_table,
2354 __deregister_frame): Hold the lock while accessing objects.
2355 * except.h (get_eh_context): Declare.
2356 * except.c (current_function_ehc): Define.
2357 (current_function_dhc, current_function_dcc): Removed.
2358 (get_eh_context): New function.
2359 (get_dynamic_handler_chain): Use get_eh_context.
2360 (get_saved_pc_ref): Ditto.
2361 (get_dynamic_cleanup_chain): Removed references to
2362 current_function_dcc.
2363 (save_eh_status, restore_eh_status): Save and restore
2364 current_function_ehc instead.
2365 * optabs.c (get_eh_context_libfunc): New variable.
2366 (init_optabs): Initialize it.
2367 * expr.h: Declare get_eh_context_libfunc.
2368 * function.h (struct function): Replaced dhc and dcc with ehc.
2369 * except.c (get_saved_pc_ref): New functions.
2370 (eh_saved_pc_rtx, eh_saved_pc): Deleted.
2371 (expand_internal_throw_indirect): Use get_saved_pc_ref() instead
2373 (end_eh_unwinder): Likewise.
2374 (init_eh): Remove initialization of eh_saved_pc.
2375 * optabs.c (get_saved_pc_libfunc): New variable.
2376 (init_optabs): Initialize it.
2377 * expr.h: Declare get_saved_pc_libfunc.
2378 * except.h (eh_saved_pc_rtx): Deleted.
2379 (get_saved_pc_ref): Declared.
2381 From Scott Snyder <snyder@d0sgif.fnal.gov>:
2382 * libgcc2.c (__get_saved_pc): New.
2383 (__eh_type, __eh_pc): Deleted.
2384 (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
2385 (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
2388 Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu>
2390 * sparc/sol2.h: Use 64 bit multiply and divide functions in
2391 Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE
2394 * rtl.h (global_rtl): New variable, replacing separate variables for
2396 (const_int_rtx): Now array of rtx_def, not rtx.
2397 * emit-rtl.c: Update for new rtl data structures.
2398 * genattrtab.c: Define global_rtl.
2400 Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu>
2402 * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by
2405 Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com>
2407 * crtstuff.c (__do_global_ctors): Fix typo.
2409 Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de>
2411 * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
2412 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
2414 Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu>
2416 * rs6000.h (FUNCTION_ARG_PADDING): Define.
2417 * rs6000.c (function_arg_padding): New function.
2419 Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de>
2421 * m68k.c: Include tree.h only once.
2423 Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2425 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
2427 Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com)
2429 * Partially cleaned up prototyping code from HJ.
2430 * tree.h: Add many prototypes.
2431 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
2432 All references changed.
2433 * rtl.h: Protect from multiple inclusions. Add many prototypes.
2435 Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com>
2437 * libgcc2.c (string.h): Hoist inclusion to occur before first use of
2438 string functions like strlen.
2440 Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de>
2442 * configure.in: Check for functions getrlimit and setrlimit.
2443 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
2444 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
2446 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
2448 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
2450 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
2452 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
2455 * alpha.c (override_options): Don't know about scheduling for EV6.
2456 * alpha.md (ev5 function units): Don't overload as ev6.
2458 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
2459 * alpha.md (define_attr type): Add mvi.
2460 (ev5_e0): Define sceduling parameters for it.
2461 (TARGET_MAX insns): Type is mvi not shift.
2463 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
2465 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
2467 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2469 * cstamp-h, auto-config.h: Delete.
2471 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
2473 * version.c: Bump for snapshot.
2475 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
2477 * cccp.c: Fix typo brought over in merge.
2479 * Merge in changes from gcc-2.8.
2481 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
2483 * m68k.c: Include tree.h for dwarf2out_cfi_label.
2485 * gcc.c (process_command): Do not take address of function fatal when
2486 calling lang_specific_driver.
2488 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
2490 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
2491 doesn't work with it yet, so set it to 0.
2492 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
2494 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
2496 * cse.c (cse_insn): Check for invalid entries when taking references.
2498 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2500 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
2501 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
2502 * toplev.c (rest_of_compilation): Pass it. Remove code to
2503 save / clear / restore flag_unroll_{,all_}loops.
2505 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
2507 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
2509 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
2511 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
2513 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
2515 * except.c (get_dynamic_handler_chain): Only make the call once per
2518 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
2520 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2522 * sh.c (final_prescan_insn): Use local label prefix
2523 when emitting .uses pseudo-ops.
2525 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
2527 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
2528 * except.c: Lose outer_context_label_stack.
2529 (expand_eh_region_end): Rethrow from outer_context here.
2530 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
2531 (expand_internal_throw): Take no args.
2532 (expand_internal_throw_indirect): Lose.
2533 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
2534 (expand_start_all_catch): Start a rethrow region.
2535 (expand_end_all_catch): End it.
2536 (expand_rethrow): New fn.
2537 * except.h: Reflect above changes.
2538 * flow.c: Revert change of Nov 27.
2540 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
2542 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
2544 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
2546 * except.c (expand_fixup_region_end): New fn.
2547 (expand_fixup_region_start): Likewise.
2548 (expand_eh_region_start_tree): Store cleanup into finalization here.
2549 * stmt.c (expand_cleanups): Use them to protect fixups.
2551 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
2553 * mips/mips.md (muldi3_r4000): Broaden the output template
2554 and attribute assignments to handle three operand dmult;
2555 rename to muldi3_internal2.
2556 (muldi3): Call the new muldi3_internal2 for R4000, and
2557 any GENERATE_MULT3 chip.
2559 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
2561 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
2563 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
2565 * unroll.c (find_splittable_givs): Remove last change. Handle givs
2566 with a dest_reg that was created by loop.
2568 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
2570 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
2572 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
2574 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
2576 * configure.in: Fix NCR entries.
2578 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
2580 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
2581 nested exceptions correctly.
2583 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
2584 that was created by loop.
2586 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
2588 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
2590 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
2592 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
2594 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
2595 (print_operand): Use SMALL_DATA_REG for the register involved in
2596 small data relocations.
2597 (print_operand_address): Ditto.
2599 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
2600 -dynamic linker is not used.
2602 * rs6000.md (call insns): For local calls, use @local suffix under
2603 System V. Don't use @plt under Solaris.
2605 * rs6000.c (output_function_profiler): Put label address in r0, and
2606 store LR in 4(sp) for System V/eabi.
2608 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
2609 byte boundary, and maintain stack backchain.
2611 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
2613 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
2614 fix_truncsfdi2): Change *.
2616 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
2618 * toplev.c (main): Complain about -gdwarfn.
2620 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
2622 * dwarfout.c (output_type): If finalizing, write out nested types
2623 of types we've already written.
2625 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
2627 (patches originally from Geoffrey Keating)
2628 * rs6000.c (function_arg): Excess floating point arguments don't
2629 go into GPR registers after exhausting FP registers under the
2631 (function_arg_partial_nregs): Ditto.
2633 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
2636 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
2638 * integrate.c (output_inline_function): Just unset DECL_INLINE.
2640 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
2642 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
2645 * libgcc2.c (__throw): Initialize HANDLER.
2647 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
2649 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
2650 fix_truncsfdi2): Change *X to ?*X.
2652 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
2654 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
2656 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
2658 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
2660 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
2662 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
2664 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
2666 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
2667 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
2670 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
2672 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
2673 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
2674 gas and not using the new HP assembler.
2676 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
2678 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
2679 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
2681 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
2683 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
2684 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
2687 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
2689 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
2691 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
2693 * except.h: Add outer_context_label_stack.
2694 * except.c: Likewise.
2695 (expand_start_all_catch): Push the outer_context for the try block
2696 onto outer_context_label_stack.
2697 (expand_end_all_catch): Use it and pop it.
2699 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
2701 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
2703 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
2705 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
2707 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
2709 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
2710 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
2712 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
2714 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
2715 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
2716 __builtin_delete, and __builtin_vec_delete.
2718 * except.c (output_exception_table): Don't bother with
2721 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
2723 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
2724 is an in/out operand.
2725 (zero extended variants of stwm/stwm patterns): Similarly.
2727 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
2729 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
2731 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
2733 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
2734 (output_call_frame_info): Emit a \n after using it.
2736 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
2738 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
2740 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
2742 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
2743 (ASM_OUTPUT_DWARF_VALUE4): New macro.
2744 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
2746 (output_call_frame_info): Do not output forward label differences
2747 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
2748 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
2750 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2752 * sh.md (attribute "type"): Add nil.
2753 (movsi_ie): y/y alternative is type nil.
2754 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
2756 (movsf_ie+1): Delete.
2758 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
2760 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
2761 large_int, emit two insns instead of one splitable insn.
2762 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
2763 from cfa_temp_value, use cfa_offset. Add assert checking that
2766 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
2768 * cccp.c (deps_output): Properly quote file names for make.
2770 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
2772 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
2774 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
2776 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
2778 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
2780 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
2782 (cse_end_of_basic_block): Similarly.
2784 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
2786 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
2787 (SELECT_RTX_SECTION): Define.
2788 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
2790 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
2792 * Makefile.in (compare, compare-lean): Define $stage for each
2794 (gnucompare, gnucompare-lean): Likewise.
2796 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
2798 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
2800 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
2801 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
2803 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
2805 * dwarfout.c (byte_size_attribute): Add local var upper_bound
2806 and add case to handle STRING_TYPE.
2807 * dwarfout.c (output_string_type_die): Fix code to generate
2808 correct string length attribute for fixed length strings.
2809 Still needs support for varying length strings.
2811 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
2813 * toplev.c (get_run_time): Do something sensible for cygwin32.
2815 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
2817 * expr.c (expand_builtin_setjmp): Set
2818 current_function_has_nonlocal_label.
2819 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
2820 call-saved registers across calls.
2822 * alpha.md (exception_receiver): Remove.
2823 (nonlocal_goto_receiver_osf): New
2824 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
2825 (nonlocal_goto_receiver): New, select _osf or _vms.
2827 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
2828 keep them from being propogated to the object file.
2829 (alpha_write_linkage): Likewise.
2830 * alpha.md (call_vms): Likewise.
2831 (call_value_vms): Likewise.
2832 (unnamed osf call insns): Likewise.
2834 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
2835 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
2837 * alpha.c (call_operand): Any reg is valid for WinNT.
2838 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
2839 (anon nt calls): Add 'R' alternative.
2840 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
2841 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
2843 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
2845 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
2847 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
2848 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
2849 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
2851 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
2853 * reload1.c (new_spill_reg): Improve fixed or forbidden register
2854 spill error message.
2856 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2858 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
2859 use varargs.h. Wrap header with <>, not "".
2861 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
2863 * integrate.c (save_for_inline_copying): Add return value from
2866 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
2868 * fixincludes: Be a little more restrictive on what we will
2869 substitute to replace definitions of MAXINT for HPUX.
2871 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
2873 * dbxout.c (dbxout_symbol_location): Don't assume that variables
2874 whose address is the stack or argument pointers are indirect
2877 1997-11-13 Paul Eggert <eggert@twinsun.com>
2879 * cccp.c, cpplib.c (compare_defs):
2880 Don't complain about arg name respellings unless pedantic.
2881 * cpplib.c (compare_defs): Accept pfile as new arg.
2882 All callers changed.
2884 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2886 * fold-const.c (fold_truthop): Fix bug in last change.
2888 1997-11-13 Paul Eggert <eggert@twinsun.com>
2890 Fix some confusion with IEEE minus zero.
2892 * real.h (REAL_VALUES_IDENTICAL): New macro.
2894 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
2895 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
2897 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
2898 same tree structure as 0.0.
2900 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
2901 macro instead of doing it by hand.
2903 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
2905 * v850/lib1funcs.asm: Minor whitespace changes.
2906 * v850.c: Fix minor formatting problems in many places.
2907 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
2909 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
2911 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
2912 xplus1 when xplus0 is not a register.
2914 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
2916 * flow.c (find_basic_blocks): During marking phase, if we encounter
2917 an insn with a REG_LABEL note, make the target block live and
2918 create an edge from the insn to the target block. Do not make
2919 edges from all blocks to the target block.
2921 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
2923 * confiugre.in: Tweak NCR entries.
2924 * configure: Rebuilt.
2926 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
2928 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
2929 pick apart floating point values, instead of using CONST_DOUBLE_LOW
2930 and CONST_DOUBLE_HIGH.
2932 * rs6000.md (define_splits for DF constants): Use the appropriate
2933 REAL_VALUE_* interface to pick apart DF floating point constants in
2934 a machine independent fashion.
2936 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2938 * fold-const.c (fold_truthop): When changing a one-bit comparison
2939 against zero into a comparison against mask, do a proper sign
2942 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
2944 * except.c: Do not include "assert.h".
2945 (save_eh_status): Turn asserts into conditional aborts.
2946 (restore_eh_status, scan_region): Likewise.
2947 * dwarfout.c: Do not include "assert.h".
2948 (bit_offset_attribute): Turn asserts into conditional aborts.
2949 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
2950 (output_inlined_structure_type_die): Likewise.
2951 (output_inlined_union_type_die): Likewise
2952 (output_tagged_type_instantiation): Likewise.
2953 (dwarfout_file_scope_decl): Likewise.
2954 * dwarf2out.c: Do not include "assert.h"
2955 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
2956 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
2957 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
2958 (add_bit_size_attribute, scope_die_for): Likewise.
2959 (output_pending_types_for_scope): Likewise.
2960 (get_inlined_enumeration_type_die): Likewise.
2961 (get_inlined_structure_type_die): Likewise.
2962 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
2963 (gen_tagged_type_instantiation_die): Likewise.
2965 * flow.c (find_basic_blocks): Refine further to get a more correct
2966 cfg, especially in the presense of exception handling, computed
2967 gotos, and other non-trivial cases. Call abort if an inaccuracy
2968 is detected in the cfg.
2970 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2972 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
2974 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
2975 (skip_white_space): Use whitespace_cr.
2976 (check_newline): Handle whitespace more consistently.
2978 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
2980 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
2981 * i386/xm-cygwin32.h (POSIX): Define.
2983 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
2985 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
2986 is available elsewhere.
2988 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
2990 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
2991 what the instruction can handle.
2993 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
2995 * stmt.c (expand_decl_cleanup_no_eh): New fn.
2997 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
2999 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
3001 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
3002 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
3004 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
3006 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
3007 swap instruction order.
3009 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
3011 * fixinc.svr4 (__STDC__): Add another case.
3013 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3015 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
3016 addresses in the epilogue delay slot.
3018 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
3020 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
3021 in generated `specs' file.
3023 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
3025 * flags.h (flag_rerun_loop_opt): Declare.
3026 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
3027 * toplev.c (flag_rerum_loop_opt): Delete static.
3029 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3031 Bring over from FSF:
3033 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3035 * va-sh.h (__va_arg_sh1): Define.
3037 SH3E doesn't use any integer registers for subsequent arguments
3038 once a non-float value was passed in the stack.
3039 * sh.c (machine_dependent_reorg): If optimizing, put explicit
3040 alignment in front label for ADDR_DIFF_VEC.
3041 * sh.h (PASS_IN_REG_P): Fix SH3E case.
3042 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
3044 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3046 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
3049 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3051 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
3052 put an use_sfunc_addr before each sfunc.
3053 * sh.md (use_sfunc_addr, dummy_jump): New insns.
3054 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
3056 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3058 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
3060 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
3062 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
3065 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
3067 * alias.c (find_base_value): Only return the known base value for
3070 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
3072 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
3073 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
3075 (prologue_get_pc_and_set_got): New pattern.
3077 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
3079 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
3080 for SUBREG, just fall through.
3082 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
3084 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
3086 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
3088 * fixincludes: Fix "hypot" prototype in NeXT math.h.
3090 * Makefile.in (USE_ALLOCA): Always include alloca.o.
3091 (USE_HOST_ALLOCA): Likewise.
3093 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
3094 and LABEL_REFS fields.
3095 * rtl.h (LABEL_REFS): Update.
3097 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
3099 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
3100 sets i2dest. When calling distribute_notes for i3dest_killed, pass
3101 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
3104 * mips.md (insv, extzv, extv): Add change_address call.
3105 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
3107 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
3109 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
3111 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
3112 save_restore_insns if no FP and GP will be restored.
3114 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
3115 Convert CCmode to word_mode before calling GET_MODE_SIZE.
3117 * acconfig.h (HAVE_INTTYPES_H): Undef.
3118 * configure.in (inttypes.h): Check for conflicts between sys/types.h
3119 and inttypes.h, and verify that intmax_t is defined.
3120 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
3121 * config/mips/x-iris3: Likewise.
3123 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
3125 * alias.c (find_base_value): When copying arguments, return the
3126 tenative value for a hard register.
3128 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
3130 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
3131 (yylex): Record wide strings using target endianness, not host.
3133 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
3135 * mn10200.h (ASM_OUTPUT_BSS): Delete.
3136 (ASM_OUTPUT_ALIGNED_BSS): New macro
3137 * mn10300.h (ASM_OUTPUT_BSS): Delete.
3138 (ASM_OUTPUT_ALIGNED_BSS): New macro.
3139 * v850.h (ASM_OUTPUT_BSS): Delete.
3140 (ASM_OUTPUT_ALIGNED_BSS): New macro.
3142 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3144 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
3146 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
3148 * configure.in (sco5): Use cpio to install header files.
3150 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
3152 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
3154 * configure: Rebuild.
3156 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
3158 * i386/sco5.h: enable -gstabs once again.
3160 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
3162 * arm.c (output_move_double): Allocate 3 entries in otherops array.
3164 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
3166 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
3167 notes for sjlj exceptions too.
3168 (expand_eh_region_end): Similarly for EH_REGION_END notes.
3169 (exception_optimize): Optimize EH regions for sjlj exceptions too.
3170 * final.c (final_scan_insn): Don't output labels for EH REGION
3171 notes if doing sjlj exceptions.
3173 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
3175 * alias.c (init_alias_analysis): Handle -fno-alias-check when
3176 optimizing correctly.
3178 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
3179 or set current_function_calls_setjmp anymore.
3181 * flow.c (find_basic_blocks): If we delete the label for an
3182 exception handler, remove it from the EH label list and remove
3183 the EH_BEGIN/EH_END notes for that EH region.
3185 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
3187 * flow.c (find_basic_blocks): Generate correct flow control
3188 information when exception handling notes are present.
3190 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
3192 * dwarf2out.c (output_call_frame_info): Fix length argument
3193 to ASM_OUTPUT_ASCII.
3194 (output_die, output_pubnames, output_line_info): Likewise.
3196 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
3198 * version.c: Bump for snapshot.
3200 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
3201 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
3202 flag_debug_asm is on.
3203 (output_die, output_pubnames, output_line_info): Likewise.
3205 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
3206 and static_chain_rtx into the potential base values array if
3209 * alias.c (new_reg_base_value): New array of potential base values.
3210 (unique_id): Now file scoped static.
3211 (find_base_value, case REG): Return the value in reg_base_value
3212 array for the REG if it exists. Else, return the value from
3213 new_reg_base_value if copying args and REG is a hard register.
3214 (find_base_value, case PLUS): If either operand of the PLUS is
3215 a REG, try to get its base value. Handle base + index and
3217 (record_set): Use new_reg_base_value instead of reg_base_value.
3218 (init_alias_analysis): Allocate space for new_reg_base_value too.
3219 Rework code to iterate over the insns propagating base value
3220 information until nothing changes.
3222 * global.c (global_alloc): Free the conflict matrix after
3223 reload has finished.
3225 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
3227 * libgcc2.c (L_eh): Define __eh_pc.
3228 Replace __eh_type with generic pointer __eh_info.
3230 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
3232 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
3233 use copy_to_reg if address is not a general_operand.
3235 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3237 * profile.c (output_func_start_profiler): Clear flag_inline_functions
3238 for the duration of the call to rest_of_compilation.
3240 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
3242 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
3244 (sparc*-*-*): Recognize --with-cpu=v9.
3245 * sparc/elf.h: New file.
3246 * sparc/t-elf: New file.
3248 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
3250 * mn10300.c (const_8bit_operand): New function.
3251 (mask_ok_for_mem_btst): New funtion.
3252 * mn10300.md (btst patterns with mem operands): Use new functions
3253 to avoid creating btst instructions with invalid operands.
3255 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
3257 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
3258 are running on PowerPC Linux.
3260 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
3262 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
3263 if not previously defined.
3265 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
3267 * function.c (assign_parms): Correct mode of stack_parm if
3268 entry_parm underwent a mode conversion.
3270 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
3272 * global.c (global_alloc): Use xmalloc instead of alloca for
3273 CONFLICTS, since max_allocno * allocno_row_words alone can be more
3274 than 2.5Mb sometimes.
3276 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
3278 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
3279 DEST for the spill, adjust mode of SRC to compensate.
3281 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
3283 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
3284 since any_memory_operand() allows pseudos during reload.
3285 (reload_inhi, reload_outqi, reload_outhi): Likewise.
3287 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
3289 * m68k.md (btst patterns): Add 5200 support.
3291 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
3293 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
3294 optimizations, look inside dividend to determine if the expression
3295 can be simplified by using EXACT_DIV_EXPR.
3297 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
3300 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
3302 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
3304 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
3306 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
3308 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
3311 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
3313 * alpha.md (movqi, movhi): Make sure new insns created during reload
3314 won't need reloading themselves.
3315 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
3317 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
3319 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
3321 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
3323 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
3324 Patch from Klaus Kaempf <kkaempf@progis.de>.
3326 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
3328 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
3329 to an element in a constant string.
3331 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
3333 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
3334 bit PC-relative offset. The exception range table pointer is now in
3336 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
3337 (count_fdes, add_fdes, get_cie): Adjust.
3338 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
3341 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
3343 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
3345 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
3346 like stack_pointer_rtx.
3348 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
3350 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
3351 targets using "$@" to provide support for similar but not identical
3352 targets without having to duplicate code.
3353 (bootstrap4): New goal.
3355 * Makefile.in (compare, compare-lean, compare3): Combined to one
3356 ruleset determining actions to be performed via $@.
3357 (compare4, compare4-lean): New targets.
3358 (gnucompare, gnucompare3): Combined to one ruleset determining
3359 actions to be performed via $@. Also, note which files failed
3360 the comparison test in .bad_compare.
3361 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
3363 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
3365 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
3366 if the dividend is a multiple of the divisor.
3368 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
3370 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
3372 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
3375 * alias.c (true_dependence): Fix typo.
3377 * toplev.c (flag_rerun_loop_opt): New variable.
3378 (f_options): Handle -frerun-loop-opt.
3379 (rest_of_compilation): If -frerun-loop-opt, then run the loop
3381 (main): Enable -frerun-loop-opt by default for -O2 or greater.
3383 * loop.c (simplify_giv_expr): Adding two invariants results
3386 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
3388 * expr.c (get_inner_reference): Remove the array bias after
3389 converting the index to Pmode.
3391 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
3393 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
3394 (TARGET_MULT_BUG): Define.
3395 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
3396 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
3398 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
3400 * mn10200.c (indirect_memory_operand): Delete unused function.
3401 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
3402 * mn10200.md (bset, bclr insns): Handle output in a reg too.
3404 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
3406 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
3407 the callee's ldgp, we must do it ourselves, and we use the jsr tag
3408 for more than scheduling.
3410 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
3412 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
3414 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
3416 * mn10300.c (symbolic_operand, legitimize_address): New functions.
3417 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
3418 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
3420 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
3422 * version.c: Bump for snapshot.
3424 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3426 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
3429 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
3431 * toplev.c (flag_exceptions): Default value is 2.
3432 (compile_file): If flag_exceptions still has the value 2, then
3435 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
3436 (rs6000_save_machine_status): Save pic_offset_table_rtx.
3437 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
3439 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
3442 * rs6000.md (*movsi_got_internal_mem): New pattern.
3443 (*movsi_got_internal_mem splitter): New define_split.
3445 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
3447 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
3449 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
3451 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
3452 only need to save LR.
3454 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
3456 * mn10300.md (movqi, movhi): Avoid using address registers as
3457 destinations unless absolutely necessary.
3459 * mn10200.c (expand_prologue): Fix typo.
3461 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
3463 * mn10200.md (neghi2): Provide an alternative which works if
3464 the input and output register are the same.
3466 * mn10300.c (print_operand): Handle 'S'.
3467 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
3468 shift amount in last alternative
3470 * mn10300.c (expand_epilogue): Rework to handle register restores
3471 in "ret" and "retf" instructions correctly.
3473 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
3475 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
3476 extzv for memory operands.
3478 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
3479 redundant conditional moves to single operand.
3481 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
3483 * v850.h: Move define of __v850__ from CPP_PREDEFINES
3486 * xm-v850.h: Use __v850 rather than __v850__ to
3489 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
3491 * mips/mips.c (compute_frame_size): Not a leaf function if
3494 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
3496 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
3498 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
3500 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
3501 (DEFAULT_ARCH32_P): New macro.
3502 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
3503 (enum cmodel): Declare.
3504 (sparc_cmodel_string,sparc_cmodel): Declare.
3505 (SPARC_DEFAULT_CMODEL): Provide default.
3506 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
3507 (TARGET_FULLANY): Deleted.
3508 (TARGET_CM_MEDMID): New macro.
3509 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
3510 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
3511 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
3512 (CPP_SPEC): Rewrite.
3513 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
3514 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
3515 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
3516 (ASM_SPEC): Add %(asm_arch).
3517 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
3518 Rename asm_default to asm_cpu_default.
3519 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
3520 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
3521 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
3522 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
3523 (MASK_INT64,MASK_LONG64): Delete.
3524 (MASK_ARCH64): Renamed to MASK_64BIT.
3525 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
3526 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
3527 (TARGET_SWITCHES): Always provide 64 bit options.
3528 (ARCH64_SWITCHES): Delete.
3529 (TARGET_OPTIONS): New option -mcmodel=.
3530 (INT_TYPE_SIZE): Always 32.
3531 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
3532 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
3533 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
3534 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
3535 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
3537 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
3538 * sparc/linux.h: Likewise.
3539 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
3540 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
3541 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
3542 (SPARC_DEFAULT_CMODEL): Define.
3543 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
3544 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
3545 (LONG_DOUBLE_TYPE_SIZE): Define.
3546 (ASM_SPEC): Add %(asm_arch).
3547 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
3548 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
3549 (TARGET_CPU_DEFAULT): Add ultrasparc case.
3550 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
3551 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
3552 (SPARC_DEFAULT_CMODEL): Define.
3553 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
3554 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
3555 MASK_LONG64, MASK_MEDANY.
3556 (SPARC_DEFAULT_CMODEL): Define.
3557 (CPP_PREDEFINES): Delete.
3558 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
3559 (ASM_SPEC): Add %(asm_arch).
3560 (LONG_DOUBLE_TYPE_SIZE): Define.
3561 (DWARF2_DEBUGGING_INFO): Define.
3562 * sparc/splet.h (CPP_SPEC): Delete.
3563 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
3564 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
3565 (BLOCK_PROFILER): Likewise.
3566 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
3567 (sparc_override_options): Handle code model selection.
3568 (sparc_init_expanders): Renamed from sparc64_init_expanders.
3569 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
3570 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
3571 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
3572 (sethi_di_fullany): Delete.
3574 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
3575 Jeff Law <law@cygnus.com>
3576 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3578 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
3579 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
3580 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
3581 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
3582 * alpha/alpha.md (arg_home): Likewise.
3584 * alpha/alpha.c (vmskrunch): Delete
3585 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
3586 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
3587 truncate to 64 characters.
3589 * make-l2.com: Support openVMS/Alpha.
3591 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
3593 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3595 * longlong.h (count_leading_zeros): Add missing casts to USItype.
3597 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
3599 * i386/bsd386.h (ASM_COMMENT_START): Define.
3601 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
3603 * tree.c (restore_tree_status): Also free up temporary storage
3604 when we finish a toplevel function.
3605 (dump_tree_statistics): Print stats for backend obstacks.
3607 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
3609 * expr.c (use_group_regs): Don't call use_reg for MEMs.
3611 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
3613 * libgcc2.c (__throw): Don't copy the return address.
3614 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
3616 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
3617 * toplev.c (main): Initialize exceptions_via_longjmp.
3619 * tree.c: Add extra_inline_obstacks.
3620 (save_tree_status): Use it.
3621 (restore_tree_status): If this is a toplevel inline obstack and we
3622 didn't want to save anything on it, recycle it.
3623 (print_inline_obstack_statistics): New fn.
3624 * function.c (pop_function_context_from): Pass context to
3625 restore_tree_status.
3626 * obstack.h (obstack_empty_p): New macro.
3628 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
3630 * i386/freebsd.h (ASM_COMMENT_START): Fix.
3632 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
3634 * v850.c (ep_memory_offset): New function.
3635 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
3637 * v850.h (CONST_OK_FOR_*): Add and correct comments.
3638 (CONSTANT_ADDRESS_P): Add comment.
3639 (EXTRA_CONSTRAINT): Define 'U'.
3640 * v850.md: Add comments on bit field instructions.
3641 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
3642 (lshrsi3): Use N not J constraint.
3644 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
3646 * v850.c (reg_or_0_operand): Call register_operand.
3647 (reg_or_int5_operand): Likewise.
3648 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
3649 (TARGET_SWITCHES): Add "big-switch".
3650 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
3651 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
3652 (CASE_DROPS_THROUGH): Comment out.
3653 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
3654 * v850.md (cmpsi): Delete compare mode.
3655 (casesi): New pattern.
3657 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
3658 * v850.md (ashlsi3): Use SImode not QImode for shift count.
3659 (lshrsi3): Likewise.
3661 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
3662 unreachable switch statement after 'b' support. Remove "b" from
3663 strings for 'b' support.
3664 * v850.md (branch_normal, branch_invert): Change %b to b%b.
3666 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
3668 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
3669 empty line if @inhibit_libc@ is empty.
3671 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
3673 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
3674 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
3675 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
3676 (DWARF2_UNWIND_INFO): Let this track object file format.
3677 (EXTRA_SECTIONS): Add in_eh.
3678 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
3679 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
3681 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
3683 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
3684 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
3686 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
3687 (output_double_int): Output DI mode values correctly when
3688 HOST_BITS_PER_WIDE_INT is 64.
3689 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
3690 fmovd so it works if a quad float ends up in one of the upper 32
3692 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
3693 necessary for PIC support on sparc64.
3695 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
3697 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
3698 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
3699 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
3700 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
3701 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
3702 (SPARC_FP_ARG_FIRST): New macro.
3703 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
3704 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
3705 (NPARM_REGS): There are 32 fp argument registers now.
3706 (FUNCTION_ARG_REGNO_P): Likewise.
3707 (FIRST_PARM_OFFSET): Update to new v9 abi.
3708 (REG_PARM_STACK_SPACE): Define for arch64.
3709 (enum sparc_arg_class): Delete.
3710 (sparc_arg_count,sparc_n_named_args): Delete.
3711 (struct sparc_args): Redefine and use for arch32 as well as arch64.
3712 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
3713 (FUNCTION_ARG_ADVANCE): Rewrite.
3714 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
3715 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
3716 (FUNCTION_ARG_CALLEE_COPIES): Delete.
3717 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
3718 (STRICT_ARGUMENT_NAMING): Define.
3719 (doublemove_string): Declare.
3720 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
3721 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
3722 (doublemove_string): New function.
3723 (output_move_quad): Clean up some of the arch64 support.
3724 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
3725 Don't add 8 bytes of reserved space if arch64.
3726 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
3727 (init_cumulative_args): New function.
3728 (function_arg_slotno): New static function.
3729 (function_arg,function_arg_partial_nregs): New functions.
3730 (function_arg_{pass_by_reference,advance}): New functions.
3731 (function_arg_padding): New function.
3732 * ginclude/va-sparc.h: Rewrite v9 support.
3734 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
3736 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
3737 for hard regs to determine base and index registers.
3739 * reload.c (debug_reload_to_stream): New function. Specify stream
3740 into which to write debug info.
3741 (debug_reload): Modify to call debug_reload_to_stream with stderr.
3743 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
3745 * combine.c (can_combine_p): Don't combine with an asm whose
3746 output is a hard register.
3748 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
3750 * c-decl.c (start_struct): Ensure that structs with forward
3751 declarations are in fact packed when -fpack-struct is given.
3753 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
3754 we are packing a structure. This allows a structure with only
3755 bytes to be aligned on a byte boundary and have no padding on a
3758 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3760 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
3762 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
3764 * alpha.c (alpha_return_addr_rtx): New variable.
3765 (alpha_save_machine_status): New; save it.
3766 (alpha_restore_machine_status): New; restore it.
3767 (alpha_init_expanders): New; clear it.
3768 (alpha_return_addr): New; set it.
3769 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
3770 is overly conservative, so search the insns explicitly.
3771 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
3772 (alpha_sa_size [VMS && !VMS]): Likewise.
3773 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
3774 (INIT_EXPANDERS): New definition.
3776 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
3777 (output_prolog [!VMS]): Use them.
3779 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
3780 (alpha_does_function_need_gp): ... a new function. Refine the
3781 CALL_INSN test to just TYPE_JSR.
3782 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
3784 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
3786 * version.c: Bump for snapshot.
3788 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3790 * pa.c (move_operand): Respect -mdisable-indexing.
3791 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
3793 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
3795 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
3797 (umulsidi3,umulsi3_highpart): Ditto.
3798 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
3800 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
3802 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
3803 (alpha_handle_trap_shadows): ... a new function. Handle the entire
3804 function in one go. Emit RTL for trapb, instead of printf directly.
3805 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
3806 (trap_pending): Kill global variable.
3807 (output_epilog): Don't call final_prescan_insn.
3808 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
3809 * alpha.h (FINAL_PRESCAN_INSN): Remove.
3810 (MACHINE_DEPENENT_REORG): Define.
3811 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
3814 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
3816 Tune Haifa scheduler for Alpha:
3817 * alpha.h (ISSUE_RATE): Define.
3818 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
3819 EV4 adjustments to EV5.
3820 * alpha.md: Remove all scaling from function unit delays. Rework
3821 EV5 function units to match the CPU.
3822 (umuldi3_highpart): EV5 added the IMULH insn class.
3824 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
3826 * pa.c (following_call): Fail if the CALL_INSN is an indirect
3829 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
3831 * cplus-dem.c (demangle_signature): Don't look for return types on
3832 constructors. Handle member template constructors.
3834 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
3836 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
3837 * tree.h: Declare them.
3839 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
3841 * configure.in: Handle --with-newlib.
3842 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
3844 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
3846 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
3848 * config/ptx4.h: Fix typo.
3850 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
3852 * version.c: Bump for snapshot.
3854 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
3856 * aclocal.m4: Substitute INSTALL.
3857 * configure: Re-built.
3859 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
3861 * integrate.c (save_for_inline_copying): Avoid undefined pointer
3863 (expand_inline_function): Likewise.
3865 * dwarf2out.c (output_call_frame_info): Reinstate last change
3866 using flag_debug_asm check instead of flag_verbose_asm.
3868 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
3870 * dwarf2out.c (output_call_frame_info): Remove last change.
3872 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3874 * frame.c (__frame_state_for): Execute the FDE insns until the
3875 current pc value is strictly bigger than the target pc value.
3877 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
3879 * regclass.c (init_reg_modes): If we can't find a mode for the
3880 register, use the previous one.
3882 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
3884 * haifa-sched.c (print_block_visualization): Call fprintf directly,
3885 don't sprintf through an alloca'ed buffer.
3887 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
3889 * reload.c (decompose): Always initialize val.base.
3891 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
3893 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
3894 instead of aborting.
3895 * dwarf2out.c (output_call_frame_info): Call app_enable and
3896 app_disable to let GNU as accept the generated comments.
3898 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
3900 * tree.h (get_file_function_name): Add declaration.
3901 * dwarf2out.c (output_call_frame_info): No need to cast
3902 get_file_function_name call anymore.
3903 * profile.c (toplevel): Remove get_file_function_name
3905 * c-lang.c (finish_file): Ditto.
3907 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
3909 * Makefile.in (program_transform_name): Let autoconf substitute
3912 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
3914 * haifa-sched.c (schedule_block): If the first real insn in a
3915 block has any special notes attached to it, remove them.
3917 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
3919 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
3921 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
3923 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
3925 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
3927 * Makefile.in (check-g77): New test target.
3928 (CHECK-TARGETS): Add check-g77.
3930 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
3932 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
3934 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
3936 * flow.c (print_rtl_with_bb): Cast alloca return value for
3939 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
3941 * i386.h (RETURN_ADDR_RTX): New definition that works for
3942 __builtin_return_address(0) and -fomit-frame-pointer.
3944 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
3946 Bring over from FSF.
3947 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
3949 * mips.c (function_arg): Handle passing a struct
3950 containing a double in a DFmode register without the PARALLEL.
3952 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
3954 * pexecute.c: Use spawn if __CYGWIN32__.
3956 * pexecute.c: Include "config.h" first, as per autoconf manual
3957 (from Paul Eggert <eggert@twinsun.com>).
3959 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
3961 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
3962 optimisation for f/expr.o and f/stb.o.
3964 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
3966 * cse.c (this_insn_cc0_mode): Initialize.
3968 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
3970 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
3972 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
3974 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
3976 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
3977 that pair will dual-issue on the 21164 and plus+beq won't.
3978 (bne): Likewise for cmpeq+beq.
3980 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
3982 * except.c (find_exception_handler_labels): Correct argument to free.
3984 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
3986 * except.c (find_exception_handler_labels): Free LABELS when we're
3989 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
3991 * version.c: Bump for snapshot.
3993 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
3995 * flow.c (find_basic_blocks): Mark calls as potentially jumping
3998 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
4000 * configure.in: Substitute for "install" too.
4001 * configure: Rebuilt.
4003 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
4005 * Makefile.in (bootstrap-lean, compare-lean): New targets.
4007 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
4009 * alias.c (base_alias_check): Two symbols can conflict if they
4010 are accessed via AND.
4011 (memrefs_conflict_p): Likewise.
4013 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
4014 after flushing argument registers to the stack.
4016 * Makefile.in (mostlyclean): Remove .regmove files.
4018 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
4020 * libgcc2.c (__throw): Fix thinko.
4022 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
4024 * cplus-dem.c (demangle_template): Add new parameter. Handle new
4025 template-function mangling.
4026 (consume_count_with_underscores): New function.
4027 (demangle_signature): Handle new name-mangling scheme.
4029 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
4031 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
4034 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
4036 * frame.c: Remove last change.
4037 * dwarf2.h: Remove last change.
4038 * tree.h: Add declarations of DWARF2 unwind info support
4041 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
4043 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
4044 * tree.h (built_in_function): Likewise.
4045 * expr.c (expand_builtin): Likewise.
4046 * except.h: Likewise.
4047 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
4048 * libgcc2.c (copy_reg): New fn.
4051 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
4053 * c-typeck.c (build_binary_op): Warn about comparing signed vs
4054 unsigned if -W is specified and -Wno-sign-compare is not.
4055 * c-decl.c (warn_sign_compare): Initialize to -1.
4056 (c_decode_option): -Wall no longer implies -Wsign-compare.
4058 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4060 * frame.c: Include gansidecl.h for PROTO.
4061 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
4062 defined. Don't declare dwarf2out_cfi_label here.
4063 * dwarf2.h: Add declarations of DWARF2 unwind info support
4065 * m68k.c: Include dwarf2.h.
4066 (output_function_prologue): Add dwarf2 support.
4067 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
4068 (INCOMING_FRAME_SP_OFFSET): Likewise.
4070 * integrate.c (expand_inline_function): Make sure there is at
4071 least one insn that can be used as an insertion point.
4073 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
4075 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
4077 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
4079 * version.c: Bump for snapshot.
4081 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
4083 Bring over from FSF.
4085 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
4087 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
4088 (get_pc_via_rdpc): Renamed from get_pc_sp64.
4089 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
4091 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
4093 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
4094 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
4096 (sparc_align_{loops,jumps,funcs}_string): Declare.
4097 (sparc_align_{loops,jumps,funcs}): Declare.
4098 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
4099 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
4100 (STACK_BIAS): Define.
4101 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
4103 (SPARC_SETHI_P): New macro.
4104 (CONST_OK_FOR_LETTER_P): Use it.
4105 (ASM_OUTPUT_ALIGN_CODE): Define.
4106 (ASM_OUTPUT_LOOP_ALIGN): Define.
4107 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
4108 (sparc_align_{loops,jumps,funcs}): New globals.
4109 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
4111 (move_operand): Use SPARC_SETHI_P.
4112 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
4114 (arith11_double_operand): Likewise.
4115 (arith10_double_operand): Likewise.
4116 (finalize_pic): Finish sparc64 support.
4117 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
4118 64 bit constants if able.
4119 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
4120 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
4122 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
4123 (get_pc_sp32): Use for sparc64 as well.
4124 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
4125 (sethi_di_sp64_const): Likewise.
4126 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
4127 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
4128 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
4130 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
4132 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
4133 * sparc/linux.h (COMMENT_BEGIN): Likewise.
4134 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
4136 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
4138 Add sparc64 linux support.
4139 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
4140 to xm_file list on 32-bit sparc-linux.
4141 * sparc/xm-sp64.h: New file.
4142 * sparc/linux64.h: New file.
4143 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
4144 Don't include xm-sparc.h.
4145 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
4146 * glimits.h (LONG_MAX): Handle sparc64.
4148 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
4150 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
4151 * sparc.h (ASM_COMMENT_START): Define.
4152 * sparc.c (output_function_prologue): Use it.
4153 (sparc_flat_output_function_{epi,pro}logue): Likewise.
4155 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
4157 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
4158 use sparc.h's copies.
4159 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
4162 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4164 * sparc.c (dwarf2out_cfi_label): Add declaration.
4165 (save_regs, output_function_prologue): Remove cast for it.
4166 (sparc_flat_{save_restore,output_function_prologue): Likewise.
4167 ({save,restore}_regs): No longer inline.
4169 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4171 * fold-const.c (make_range): Correctly handle cases of converting
4172 from unsigned to signed type.
4174 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4176 * fold-const.c (merge_ranges): Make sure that if one range is subset
4177 of another, it will always be the second range. Correct (+,-) case to
4180 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
4182 * final.c (final_end_function): Also do dwarf2 thing if
4183 DWARF2_DEBUGGING_INFO.
4184 (final_start_function): Likewise.
4186 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
4188 * expmed.c (expand_divmod): If compute_mode is not the same as
4189 mode, handle the case where convert_modes() causes op1 to no
4190 longer be a CONST_INT.
4192 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
4193 note holding get_jump_flags() calculation to all JUMP_INSNs.
4194 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
4195 * rtl.c (reg_note_name): Add new note types.
4197 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
4199 * rtlanal.c (computed_jump_p): Fix typo in last change.
4201 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4203 * loop.c (indirect_jump_in_function_p): Return 0
4206 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
4208 * rs6000/xm-rs6000.h: Fix thinko in last change.
4209 * rs6000/xm-sysv4.h: Likewise.
4211 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
4213 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
4215 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
4217 * reg-stack.c (find_blocks): Fix thinko in last change.
4219 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4221 * m68k.c (output_function_prologue): Add dwarf2 support.
4223 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
4224 INCOMING_FRAME_SP_OFFSET): New definitions.
4226 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
4228 * combine.c (try_combine): Use NULL_RTX instead of '0' where
4229 appropriate in calls to gen_rtx().
4230 * cse.c (cse_main): Likewise.
4231 * emit-rtl.c (gen_label_rtx): Likewise.
4232 * expr.c (init_expr_once): Likewise.
4233 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
4234 sched_analyze, init_rgn_data_dependences,
4235 compute_block_backward_dependences): Likewise.
4236 * sched.c (schedule_insns): Likewise.
4237 * varasm.c (immed_double_const): Likewise.
4239 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
4240 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
4242 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
4244 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
4245 (MULTILIB_DEFAULTS): Define.
4246 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
4247 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
4248 (LIBGCC_SPEC): Likewise.
4249 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
4250 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
4251 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
4252 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
4253 (EXTRA_PARTS, TAROUTOPTS): Delete.
4254 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
4255 (MULTILIB_OPTIONS): Define.
4256 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
4257 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
4259 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
4261 * version.c: Bump for snapshot.
4263 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
4265 * loop.c (loop_number): Delete function. Change all references
4266 to use uid_loop_num array.
4267 * loop.h (loop_number): Delete declaration.
4268 * unroll.c (unroll_loop): Change "loop_number" references to
4269 use uid_loop_num instead.
4271 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
4273 (loop_unroll_iter): Remove unused variable and all references.
4274 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
4275 (insert_bct): Fix minor formatting problems.
4276 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
4277 (loop_unroll_iter): Removed unused decl.
4278 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
4279 Always record the unrolling factor.
4281 * cse.c (simplify_relational_operation): Set h0u just like h0s.
4282 Similarly for h1u and h1s.
4284 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
4285 (find_basic_blocks): Use computed_jump_p to determine if a
4286 particular JUMP_INSN is a computed jump.
4287 * reg-stack.c (find_blocks): Use computed_jump_p to determine
4288 if a particular JUMP_INSN is a computed jump.
4289 * rtlanal.c (jmp_uses_reg_or_mem): New function.
4290 (computed_jump_p): Likewise.
4291 * rtl.h (computed_jump_p): Declare.
4292 * genattrtab.c (pc_rtx): Define and initialize.
4293 * loop.c (loop_optimize): Always determine if the current
4294 function has a computed jump.
4295 (indirect_jump_in_function_p): Use computed_jump_p to determine
4296 if a particular JUMP_INSN is a computed jump.
4298 * loop.c (fix_bct_param): Delete unused function.
4299 (check_bct_param): Likewise.
4301 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
4303 * frame.c (__deregister_frame): Check properly for initialized object.
4305 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4307 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
4309 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4311 * jump.c (thread_jumps): check can_reverse_comparison_p before
4312 threading a reversed-condition jump.
4314 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
4315 * haifa-sched.c (update_flow_info): Likewise.
4317 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
4319 * Makefile.in (BOOT_CFLAGS): Use -O2.
4321 * configure.in (strtoul, bsearch): Have autoconf check for these
4323 * configure, config.in: Rebuilt.
4325 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
4326 * mips/mips.h (alloca): Likewise.
4327 * rs6000/xm-rs6000.h (alloca): Likewise.
4328 * rs6000/xm-sysv4.h: Likewise.
4330 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
4332 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
4333 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
4334 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
4336 * except.c (end_eh_unwinder): Subtract 1 from return address.
4337 * libgcc2.c (__throw): Likewise.
4338 (find_exception_handler): Don't change PC here. Compare end with >.
4340 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
4342 * v850.c (compute_register_save_size): Correct register
4344 * v850.md (save_interrupt, return_interrupt): Correct
4346 * v850/lib1funcs.asm (save_interrupt): Correct register number.
4347 (return_interrupt): Use stack pointer, not element pointer.
4349 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
4351 * configure.in, configure: Make sure to create the stage* and include
4352 symbolic links in each subdirectory.
4354 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
4356 * pa.md (reload_peepholes): Don't allow addresses with side
4357 effects for the memory operand.
4359 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
4361 * libgcc2.c (find_exception_handler): Subtract one from our PC when
4362 looking for a handler, to avoid hitting the beginning of the next
4365 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
4367 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
4369 * mips/abi64.h (LONG_MAX_SPEC): Define.
4370 * mips.h (LONG_MAX_SPEC): Define.
4371 (CPP_SPEC): Include long_max_spec.
4372 (EXTRA_SPECS): Include long_max_spec.
4374 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
4376 * v850.c (construct_save_jarl): Fix thinko in last change.
4378 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
4380 * version.c: Bump for snapshot.
4382 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
4384 * libgcc2.c (find_exception_handler): Not found is -1.
4386 * integrate.c (expand_inline_function): Move expand_start_bindings
4387 after expanding the arguments.
4389 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
4391 * expr.c (expand_expr): Remove previous incorrect change.
4392 If target and slot has no DECL_RTL, then call mark_addressable
4393 again for the slot after we give it RTL.
4395 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
4397 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
4398 again for the slot after we give it RTL.
4400 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
4402 * v850.c (register_is_ok_for_epilogue,
4403 pattern_is_ok_for_epilogue, construct_restore_jr,
4404 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
4406 * v850.h (pattern_is_ok_for_prologue,
4407 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
4410 * v850.md: Replace prologue and epilogue patterns with a
4411 match_parallel pattern.
4413 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
4415 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
4416 * configure.in: Use EGCS_PROG_INSTALL.
4418 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
4420 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
4421 extern inline function.
4423 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
4425 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
4426 (concat_loc_descriptor): New function.
4427 (loc_descriptor): Call it.
4428 (add_AT_location_description): Also elide the descriptor if both
4429 halves of a CONCAT are pseudos.
4430 (add_location_or_const_value_attribute): Recognize CONCAT too.
4432 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
4434 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
4436 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
4437 out-or-range reg_offset.
4438 (output_epilog): Likewise.
4440 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
4442 * cse.c (simplify_relational_operation): If MODE specifies a
4443 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
4444 is derived from the sign bit of the low word.
4446 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
4448 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
4450 * dwarf2.h: Add DW_CFA_GNU_args_size.
4451 * frame.c (execute_cfa_insn): Likewise.
4452 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
4453 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
4454 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
4455 insn, hand it off to dwarf2out_stack_adjust.
4456 (dwarf2out_begin_prologue): Initialize args_size.
4457 * frame.h (struct frame_state): Add args_size.
4458 * libgcc2.c (__throw): Use args_size.
4459 * final.c (final_scan_insn): If we push args, hand off all insns
4460 to dwarf2out_frame_debug.
4461 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
4463 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
4464 Handle epilogue restore of SP from FP.
4465 * emit-rtl.c (gen_sequence): Still generate a sequence if the
4466 lone insn has RTX_FRAME_RELATED_P set.
4468 * frame.c (extract_cie_info): Handle "e" augmentation.
4469 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
4470 absence of UNALIGNED_*_ASM_OP.
4471 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
4472 (output_call_frame_info): Use "e" instead of "z" for augmentation.
4473 Don't emit augmentation fields length.
4474 (dwarf2out_do_frame): Move outside of #ifdefs.
4475 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
4478 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
4479 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
4480 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
4481 * sparc/sun4gas.h: New file.
4482 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
4484 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
4485 __register_frame_table and __deregister_frame.
4487 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
4489 * except.c (find_exception_handler_labels): Use xmalloc instead of
4490 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
4493 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
4495 * Makefile.in: Various changes to build info files
4496 in the object tree rather than the source tree.
4498 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
4500 * fixinc.math: New file to fix math.h on some systems.
4501 * configure.in (freebsd, netbsd): Use fixinc.math on these
4503 * configure: Rebuilt.
4505 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
4507 * regmove.c (regmove_optimize): If we end up moving the
4508 original insn due to lifetime overlaps, make sure to move
4511 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
4513 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
4515 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
4517 * haifa-sched.c (add_branch_dependences): Make each insn in
4518 a SCHED_GROUP_P block explicitly depend on the previous insn.
4520 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
4522 * except.h: Prototype dwarf2 hooks.
4525 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
4527 * configure.in (native_prefix): Delete.
4528 (mips-dec-netbsd): Don't set prefix.
4529 (*linux*): Don't set prefix.
4531 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
4533 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
4534 defined. If not defined, include <sys/varargs.h> if
4535 HAVE_SYS_VARARGS_H is defined.
4536 * configure.in: Test for varargs.h and sys/varargs.h.
4537 * configure: Regenerate with autoconf.
4538 * config.in: Regenerate with autoheader.
4540 * cpplib.c (quote_string): Cast first arg of sprintf call
4541 from "unsigned char *" to "char *".
4542 (output_line_command): Ditto.
4543 (macroexpand): Ditto.
4544 (do_line): Cast atoi arg from "unsigned char *" to "char *".
4546 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
4548 * version.c: Bump for snapshot.
4550 * Makefile.in (compare): Exit with nonzero status if there
4551 are comparison failures. Note which files failed the
4552 comparison test in .bad_compare.
4554 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4556 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
4558 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
4560 * Makefile.in (LN, LN_S): New macros, use where appropriate.
4561 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
4562 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
4563 * configure: Regenerated.
4565 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
4567 * loop.c (strength_reduce): Fix typo.
4569 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
4571 * m88k/m88k.c (struct option): Rename to struct options.
4572 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
4573 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
4574 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
4575 __DOLPHIN__ or sysV88.
4577 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
4579 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
4582 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
4584 * config.sub: Accept 'amigados' for backward compatability.
4586 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4588 * Makefile.in (testsuite/site.exp): New target.
4589 (check-gcc, check-g++): Depend on testsuite/site.exp.
4590 Don't stop for failure.
4592 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
4594 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
4595 if DWARF2_UNWIND_INFO.
4597 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
4599 Add support for exception handling using DWARF 2 frame unwind info.
4600 Currently works on SPARC and MIPS, and almost on x86.
4602 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
4603 next_stack_level, in_reg_window): Helper fns.
4604 (__throw): Implement for DWARF2_UNWIND_INFO.
4606 * expr.c (expand_builtin): Handle builtins used by __throw.
4607 * tree.h (enum built_in_function): Add builtins used by __throw.
4608 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
4609 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
4610 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
4611 (expand_builtin_extract_return_addr): Likewise.
4612 (expand_builtin_frob_return_addr): Likewise.
4613 (expand_builtin_set_return_addr_reg): Likewise.
4614 (expand_builtin_eh_stub): Likewise.
4615 (expand_builtin_set_eh_regs): Likewise.
4616 (eh_regs): Choose two call-clobbered registers for passing back values.
4618 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
4619 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
4620 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
4621 (stmp-multilib): Likewise.
4622 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
4624 * except.c: #include "defaults.h".
4625 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
4626 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
4627 (register_exception_table_p): New fn.
4628 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
4629 (end_eh_unwinder): Likewise.
4631 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
4632 call __register_frame and __deregister_frame as needed.
4633 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
4634 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
4635 EH_FRAME_SECTION_ASM_OP.
4636 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
4637 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
4638 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
4640 * dwarf2out.c (output_call_frame_info): If no support for
4641 EXCEPTION_SECTION, mark the start of the frame info with a
4643 * collect2.c (frame_tables): New list.
4644 (is_ctor_dtor): Recognise frame entries.
4645 (scan_prog_file): Likewise.
4646 (main): Pass -fno-exceptions to sub-compile. Also do collection
4647 if there are any frame entries.
4648 (write_c_file_stat): Call __register_frame_table and
4649 __deregister_frame as needed.
4650 (write_c_file_glob): Likewise.
4652 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
4653 Also require unaligned reloc support.
4654 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
4655 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
4656 * sparc/sysv4.h: Not here.
4658 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
4659 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
4660 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
4662 * libgcc2.c (L_eh): Reorganize, moving code shared by different
4663 EH implementations to the top.
4664 (find_exception_handler): Split out. Start from 0. Compare against
4666 (__find_first_exception_table_match): Use it.
4667 * except.c (output_exception_table): Don't do anything if there's
4668 no table. Don't output a first entry of zeroes.
4669 (eh_outer_context): Adjust properly.
4670 (add_eh_table_entry): Use xrealloc.
4671 * toplev.c (compile_file): Just call output_exception_table.
4673 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
4675 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
4677 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
4679 * except.c (eh_outer_context): Do masking using expand_and.
4681 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
4683 Add port done awhile ago for the ARC cpu.
4684 * arc/arc.h: New file.
4685 * arc/arc.c: New file.
4686 * arc/arc.md: New file.
4687 * arc/initfini.c: New file.
4688 * arc/lib1funcs.asm: New file.
4689 * arc/t-arc: New file.
4690 * arc/xm-arc.h: New file.
4691 * ginclude/va-arc.h: New file.
4692 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
4693 * ginclude/varargs.h: Likewise.
4694 * Makefile.in (USER_H): Add va-arc.h.
4695 * configure.in (arc-*-elf*): Recognize.
4696 * longlong.h: Add ARC support.
4698 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
4700 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
4701 when clearing non-BLKmode data.
4703 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
4705 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
4706 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
4708 * xm-m88k.h (USG): Only define if it hasn't already been defined.
4710 * Makefile.in (risky-stage1): Delete gratutious whitespace.
4712 * Makefile.in (clean): Delete libgcc1-test.
4714 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
4716 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
4718 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
4721 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4723 * dwarf2out.c (output_call_frame_info): Call named_section.
4725 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
4727 * haifa-sched.c (print_value): Fix last change.
4729 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
4731 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
4734 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
4736 * mips.c (function_prologue): Set up the CFA when ABI_32.
4738 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
4739 for dwarf2 unwind info.
4740 (output_function_prologue, sparc_flat_output_function_prologue): Same.
4742 * final.c (final_end_function): Check dwarf2out_do_frame instead
4743 of DWARF2_DEBUG for dwarf2 unwind info.
4744 (final_scan_insn): Likewise.
4745 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
4748 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
4751 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
4753 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
4755 * v850.h (ASM_SPEC): Pass on target processor.
4756 (CPP_PREDEFINES): Only define if not already specified.
4757 (TARGET_VERSION): Only define if not already specified.
4758 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
4760 (EXTRA_SWITCHES): Extra entries in the switches array.
4761 (TARGET_DEFAULT): Set default target processor.
4763 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
4765 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
4766 cases, add %# and %/, and add : to make them into extended asms.
4768 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
4770 * alias.c (init_alias_analysis): Clean up incompatible pointer
4771 type warning in bzero.
4772 * regmove.c (regmove_optimize): Ditto.
4773 * haifa-sched.c (find_rgns): Ditto.
4775 * haifa-sched.c (print_value): Clean up ptr->int cast
4778 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
4780 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
4781 * install.texi (Configurations): Ditto.
4782 * config.sub: Ditto.
4784 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
4786 * Makefile.in (sdbout.o): Depend on insn-config.h.
4788 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
4790 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
4791 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
4793 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
4795 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
4796 prologue insn, only the first elt is significant.
4797 (output_call_frame_info): For exception handling, always use 4-byte
4798 fields as specified by the dwarf2 spec.
4799 Don't skip trivial FDEs.
4801 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
4803 * version.c: Bump for snapshot.
4805 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
4807 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
4808 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
4811 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
4813 * final.c (shorten_branches): During first pass, assume worst
4814 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
4816 * Makefile.in (distclean): Remove various things left around
4817 by running the testsuite.
4819 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
4821 * configure.in (out_file): Emit definition to config.status in order
4822 to have a defined value for configure.lang.
4823 * configure: Re-built.
4825 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
4827 * configure.in: Make symlink to as-new rather than as.new. Similarly
4829 * configure: Rebuilt.
4831 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
4833 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
4835 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
4837 * sparc/sparc.md: Add ultrasparc scheduling support.
4838 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
4840 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
4842 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
4843 as initial value for real_label_map.
4844 (copy_for_inline): Likewise.
4846 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4848 * sched.c (update_flow_info) When looking if to set found_split_dest
4849 or found_orig_dest, look at all parts of a PARALLEL.
4850 * haifa-sched.c (update_flow_info): Likewise.
4852 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
4854 * v850: New directory for v850 port.
4855 * v850/lib1funcs.asm: New file.
4856 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
4857 * ginclude/va-v850.h: New file.
4858 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
4859 * configure.in (mn10200-*-*): New target.
4860 * configure: Rebuilt.
4861 * config.sub: Handle v850-elf.
4862 * Makefile.in (USER_H): Add va-mn10200.h.
4863 * invoke.texi: Document v850 stuff.
4865 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
4867 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
4868 has integer TYPE_{MAX,MIN}_VALUE before using them.
4870 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
4871 __HPUX_ASM__ versions.
4873 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
4875 * install.sh: Delete duplicate install script.
4877 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
4879 * reg-stack.c (subst_stack_regs): Pop the stack register for a
4880 computed goto which sets the same stack register.
4882 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
4883 destination are both on the regstack.
4884 (subst_stack_regs_pat): Put the destination at the top of the regstack.
4886 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
4888 * mips.md (nonlocal_goto_receiver): Define.
4890 * profile.c (output_arc_profiler): Check next_insert_after for non
4891 NULL before deferencing it.
4893 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
4895 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
4897 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
4899 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
4901 * toplev.c (rest_of_compilation): For passes starting with
4902 flow_analysis, use print_rtl_with_bb instead of print_rtl.
4904 * print-rtl.c (print_rtl_single): Print a single rtl value to a
4907 * flow.c (print_rtl_with_bb): Print which insns start and end
4908 basic blocks. For the start of a basic block, also print the live
4911 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
4913 * toplev.c (main): Change #elif to #else/#ifdef
4915 * tlink.c: Include ctype.h.
4916 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
4918 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
4920 * bitmap.c: Conditionally include stdlib.h.
4921 (free): Provide a declaration if NEED_DECLARATION_FREE.
4923 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
4925 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
4927 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
4929 * profile.c (output_arc_profiler): Verify next_insert_after is an
4930 INSN before and after skipping a stack pop.
4932 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4934 * final.c (shorten_branches): Don't count the lengths of deleted
4937 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
4939 * version.c: Bump for snapshot.
4941 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
4943 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
4944 two bitmaps ANDed together.
4945 (bitmap_print): Declare.
4947 * bitmap.c (function_obstack): Don't declare any more.
4948 (bitmap_obstack): Obstack for allocating links from.
4949 (bitmap_obstack_init): New static to say whether to initialize
4951 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
4952 (bitmap_release_memory): Free all memory allocated from
4955 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
4956 EXECUTE_IF_AND_IN_BITMAP.
4958 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
4960 * alias.c (true_dependence): Address with AND can alias scalars.
4961 (anti_dependence, output_dependence): Likewise.
4963 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
4965 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
4967 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
4968 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
4969 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
4970 definitions. Use -qrtems instead of -mrtems.
4972 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
4974 * xm-sco5.h (sys_siglist): Define.
4975 (SYS_SIGLIST_DECLARED): Likewise.
4977 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
4979 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
4981 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
4983 * except.c (eh_outer_context): Expand masking operation using
4986 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
4988 * alpha.md (floatdisf2-1): New pattern.
4990 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
4992 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
4993 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
4994 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
4995 * gcc.texi: Note that if you define sys_siglist that you should
4996 also define SYS_SIGLIST_DECLARED.
4998 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
4999 are relative to the next instruction, not the current instruction.
5001 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
5003 * local-alloc.c (contains_replace_regs): New function.
5004 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
5005 verify that there is no existing REG_EQUIV note, and add a call to
5006 contains_place_regs.
5008 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5010 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
5011 (STARTFILE_SPEC): Always use crtbegin.o%s
5012 (ENDFILE_SPEC): Always use crtend.o%s.
5014 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
5016 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
5018 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
5019 SFmode for 64 bit hosts.
5021 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
5023 * fixincludes: Permits spaces between # and define. Discard C++
5024 comments in sys/pci.h on HP/UX 10.20.
5026 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
5028 * version.c: Bump for snapshot.
5030 * pa.c (restore_unscaled_index_insn_codes): New function.
5031 (record_unscaled_index_insn_codes): Likewise.
5032 (output_function_prologue): Call restore_unscaled_index_insn_codes.
5033 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
5034 (pa_reorg): Call record_unscaled_index_insn_codes.
5036 * haifa-sched.c (move_insn): Handle notes correctly for insns
5037 with SCHED_GROUP_P set.
5039 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5041 * alpha/xm-linux.h (USE_BFD): Undef before define.
5043 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
5045 * cse.c (cse_insn): Don't record BLKmode values.
5047 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
5049 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
5051 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
5053 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
5054 * collect2.c (sys_errlist): Likewise.
5055 * cpplib.c (sys_errlist): Likewise.
5056 * gcc.c (sys_errlist): Likewise.
5057 * protoize (sys_errlist): Likewise.
5058 * configure.in: Check for strerror.
5059 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
5060 * xm-gnu.h (HAVE_STRERROR): Likewise.
5061 * xm-linux.h (HAVE_STRERROR): Likewise.
5062 * xm-netbsd.h (HAVE_STRERROR): Likewise.
5063 * xm-bsd386.h (HAVE_STRERROR): Likewise.
5064 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
5065 * xm-dos.h (HAVE_STRERROR): Likewise.
5066 * xm-mingw32.h (HAVE_STRERROR): Likewise.
5067 * xm-pa.h (HAVE_STRERROR): Likewise.
5068 * xm-papro.h (HAVE_STRERROR): Likewise.
5069 * xm-sysv4.h (HAVE_STRERROR): Likewise.
5070 * configure, config.in: Rebuilt.
5072 * Makefile.in: Add several missing "else true" clauses.
5074 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
5075 * mips-tfile.c: Likewise.
5076 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
5077 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
5078 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
5079 * configure.in: Check for sys_siglist declaration.
5080 * configure, config.in: Rebuilt.
5082 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
5084 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
5085 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
5086 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
5087 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
5088 * rs6000/sysv4.h (extra_subtarget_switches): Added new
5089 macro EXTRA_SUBTARGET_SWITCHES.
5090 * configure.in (sh*-*-rtems*): New target.
5091 * sh/rtems.h: New file.
5092 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
5093 * configure: Rebuilt.
5095 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
5097 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
5099 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
5101 * rs6000.md: Make DF fused-add operations pay attention to
5104 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
5106 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
5108 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
5110 * pa.md (reload_peepholes): Make sure operand is a REG before
5111 examining REGNO. Allow general registers too.
5113 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
5115 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
5117 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
5119 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
5120 to reallocate abbrev_die_table.
5122 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
5124 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
5126 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5128 * Makefile.in (config.status): Depend on version.c
5130 * expr.h (insn_gen_function): Reenable prototype.
5132 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
5135 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
5137 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
5139 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
5141 * version.c: Bump for latest snapshot.
5143 * bc-optab.c: Conditionally include stdlib.h.
5144 (free): Provide a declaration if NEED_DECLARATION_FREE.
5145 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
5146 * rtl.h (free): Remove declaration.
5147 * tree.h (free): Remvoe declaration.
5149 * configure: Rebuilt.
5151 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
5153 * flags.h (flag_move_all_movables): Declare.
5154 (flag_reduce_all_givs): Likewise.
5155 * loop.c (move_movables): Handle flag_move_all_movables.
5156 (strength_reduce): Handle flag_reduce_all_givs.
5157 * toplev.c (flag_move_all_movables): Define.
5158 (flag_reduce_all_givs): Likewise.
5159 (f_options): Add -fmove-all-movables and -freduce-all-givs.
5160 * invoke.texi: Document new options, including alias stuff that
5161 wasn't included last time.
5163 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
5165 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
5168 * t-vxworks68: Ditto.
5169 * t-vxworks960: Ditto.
5172 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
5174 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
5175 if not already defined, and USE_C_ALLOCA not defined.
5177 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
5179 * config.guess: Replace with script that uses ../config.guess.
5181 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
5182 if USE_GNULIBC_1 is not defined.
5184 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
5186 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
5187 * config.guess: Recognize alpha-linux-gnulibc1.
5188 * configure.in (alpha-*-linux-gnulibc1): New target.
5189 (alpha-*-linux-gnu*): Don't build crtbegin/end.
5191 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
5193 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
5196 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
5198 * loop.c (combine_movables): Earlier insns don't match later ones.
5200 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5202 * config/linux.h (CC1_SPEC): Define it only if not defined.
5204 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
5207 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
5208 USE_GNULIBC_1 is not defined.
5210 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
5212 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
5213 as 1 if USE_GNULIBC_1 is not defined.
5215 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
5217 * reorg.c (dbr_schedule): Allow current_function_return_rtx
5218 to be something other than a REG.
5219 * function.c (expand_function_end): Fix current_function_return_rtx
5222 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
5223 * x-netbsd: Likewise
5224 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
5225 (INSTALL_HEADERS): Delete.
5226 * x-dguxbcs: Likewise.
5227 * x-hp3bsd44: Likewise
5230 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5232 * i386.md (pop): pop increments the stack pointer.
5233 (prologue_set_stack_ptr): New pattern.
5234 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
5237 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
5239 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
5240 address where an offsettable address is required.
5242 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
5244 * loop.c (check_final_value): Don't miss a biv increment in a
5247 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
5249 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
5250 TYPE_DECL_IS_STUB instead of DECL_NAME.
5252 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5254 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
5256 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
5258 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
5260 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
5262 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
5263 (find_post_sched_live): Likewise.
5265 * haifa-sched.c (schedule_block): Remove old code to get arguments
5266 from hard regs into pseudos early.
5268 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
5270 * version.c: Bump for new snapshot.
5272 * local-alloc.c (update_equiv_regs): All the target to reject
5273 promotion of some REG_EQUAL to REG_EQUIV notes.
5274 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
5276 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
5279 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
5280 store of the argument registers.
5282 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
5284 * fold-const.c (multiple_of_p): New function.
5285 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
5287 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
5289 * expr.h (insn_gen_function): Temporarily remove prototype.
5291 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
5293 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
5294 filenames. Use sed to extract base filename for install.
5296 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
5298 * unroll.c (find_splittable_givs): Only share if two givs have the
5299 same add and multiply values.
5301 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
5303 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
5304 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
5306 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
5308 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
5309 around branch tables.
5310 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
5311 and .end_brtab directives if TARGET_GAS.
5313 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
5315 * alias.c (true_dependence): Pass x_addr not x to varies.
5317 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
5318 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
5319 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
5321 * config.in, configure: Regenerate.
5323 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
5325 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
5327 (record_set): Handle LO_SUM like PLUS.
5328 (init_alias_analysis): When following chains of base addresses,
5329 do not stop on reaching a hard register.
5331 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
5333 * version.c: Bump for new snapshot.
5335 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
5337 * alpha.h (ARCH_ASM_FILE_START): Define.
5338 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
5339 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
5341 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
5343 * Makefile.in (install-common): Put gcov comment at start of line.
5345 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
5347 * alias.c (init_alias_analysis): When simplifying the reg_base_value
5348 array, simplify entries for hard registers too.
5350 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
5352 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
5355 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
5357 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
5358 block_stack before dereferencing it.
5360 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
5362 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
5364 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
5366 * cplus-dem.c: Add 'extern' to prepends_underscore.
5368 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
5370 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
5371 (get_issue_rate): Delete.
5372 * pa.h (ISSUE_RATE): Define.
5374 * configure.in: Turn on haifa by default for the PA.
5375 * configure: Rebuilt.
5376 * pa.c (override_options): Accept -mschedule=7200 option.
5377 (pa_adjust_cost): No longer need to scale costs for newer
5379 * pa.h (enum processor_type): Add PROCESSOR_7200.
5380 * pa.md: Revamp scheduling parameters to work better with
5381 haifa. Add scheduling parameters for the 7200.
5383 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
5385 (schedule_block): When adjusting basic_block_{head,end}, account
5386 for movement of SCHED_GROUP_P insns too.
5388 * haifa-sched.c (debug_dependencies): Fix thinko.
5390 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
5391 (site.exp, check, check-g++, check-gcc): New targets.
5393 * haifa-sched.c: Make lots of variables static.
5395 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5397 * expr.h, real.h: Finish prototyping.
5399 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
5401 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
5402 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
5403 * reload1.c: Undo bugfix from Aug 11.
5405 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
5407 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
5408 quotes around the name.
5409 * configure: Regenerate.
5411 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
5413 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
5415 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
5417 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
5418 to sub-makes to avoid building more passes than the user might have
5419 requested on the command line.
5421 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
5423 * configure.in: Expurgate `broken_install' (install is
5426 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
5429 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
5431 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
5432 functions and declarations.
5433 (analyze_loop_iterations): Use condjump_p.
5434 (insert_bct): Likewise. Use exact_log2.
5436 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
5438 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
5439 (schedule_region): Likewise.
5440 (schedule_insns): Likewise.
5442 * PROJECTS: Update with Haifa stuff.
5444 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
5446 * version.c: Change the version string to look like:
5447 egcs-2.90.00 970814 (gcc2-970802 experimental).
5449 * loop.c (is_conditional_branch): Make definition match declaration.
5451 * gcc.c: Take out experimental snapshot warning message.
5453 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
5455 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
5456 print out the names of the notes. Print out the name of the insn
5457 that is not a note, and not an {,CALL_,JUMP_}INSN.
5459 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
5461 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
5462 again for the slot after we give it RTL.
5464 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
5466 * configure.in (haifa configury): Fix typo.
5467 * configure: Regenerate.
5469 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
5471 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
5473 * gcc.info*: Rebuilt.
5475 * COPYING.g77, README.g77: New files.
5476 * real.c (ereal_unto_float, ereal_unto_double): New functions.
5477 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
5478 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
5480 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
5482 * Integrate Haifa instruction scheduler.
5483 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
5484 to sched with $(SCHED_CFLAGS.
5485 * configure.in: Handle --enable-haifa.
5486 * configure: Rebuilt.
5487 * flags.h: Add new flags for haifa instruction scheduler.
5488 * genattrtab.c (expand_units): For haifa, don't subtract one
5489 when computing blockage.
5490 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
5491 (flag_schedule_speculative): Ditto.
5492 (flag_schedule_speculative_load): Ditto.
5493 (flag_schedule_speculative_load_dangerous): Ditto.
5494 (flag_schedule_reverse_before_reload): Ditto.
5495 (flag_schedule_reverse_after_reload): Ditto.
5496 (flag_branch_on_count_reg): Ditto.
5497 (f_options): Add Haifa switches.
5498 (main): Turn off some Haifa options if appropriate macro is
5499 defined. Process Haifa switches.
5500 * unroll.c (iteration_info): No longer static, since Haifa
5502 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
5503 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
5504 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
5505 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
5506 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
5507 storage for the Haifa scheduler.
5508 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
5510 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
5511 are defined, call analyze_loop_iterations and insert_bct to use
5513 (record_giv): Refine test for jumps out of loops if HAIFA is
5515 (analyze_loop_iterations): New function to identify if we can use
5517 (insert_bct): Insert countdown loop.
5518 (instrument_loop_bct): Low level code to insert countdown loop.
5519 (loop_number): Calculate UID of loop.
5520 (indirect_jump_in_function_p): Return true if an indirect jump is
5522 (is_power_of_2): Return true if value is a power of 2.
5523 (is_conditional_branch): Return true if insn is a conditional
5525 (fix_bct_param): Process -fbct-{min,max}-N switches.
5526 (check_bct_param): Return true if loop should be instrumented.
5527 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
5528 (loop_optimize): Initialize.
5529 (get_condition_for_loop): Ditto.
5530 * loop.c (strength_reduce): Inside of code that uses #ifdef
5531 HAVE_decrement_and_branch_on_count code, test it to make sure the
5533 (instrument_loop_bct): Ditto.
5534 * haifa-sched.c: New file.
5537 * Integrate regmove pass.
5538 * Makefile.in (OBJS): Add regmove.o
5539 (regmove.o): Add dependencies.
5540 * flow.c (find_use_as_address): No longer static.
5541 * rtl.h (find_use_as_address): Declare.
5542 * toplev.c (regmove_dump, flag_regmove): Define.
5543 (f_options): Add -fregmove.
5544 (regmove_dump_file, regmove_time): Define.
5545 (fatal_insn): Close the regmove dump file.
5546 (compile_file): Initialize regmove_time; open/close the regmove dump
5547 file as needed. Print regmove time as needed.
5548 (rest_of_compilation): Run regmove pass if requested, dump
5549 RTL after regmove if requested.
5550 (main): If -O2 or more, turn on regmove. Handle dump switches.
5551 * regmove.c: New file.
5553 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
5555 * Integrate tlink patch from jason@cygnus.com
5556 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
5557 (process_command): Increment n_switches for them. Don't discard
5558 their args. Validate them.
5559 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
5561 (process_command): Set include_prefixes from COMPILER_PATH.
5562 (main): Set COLLECT_GCC_OPTIONS sooner.
5563 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
5564 * tlink.c, hash.c, hash.h: New files.
5565 * Makefile.in (USE_COLLECT2): Always use collect2.
5566 (collect2): Depend on and link in hash.o and tlink.o.
5567 (tlink.o, hash.o): Add dependencies.
5569 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
5571 * Integrate alias analysis changes from jfc@mit.edu
5572 * Makefile.in (OBJS): Add alias.o
5573 (alias.o): Add dependencies.
5574 * alias.c: New file.
5575 * sched.c: Remove alias analysis code. It lives in alias.c now.
5576 (sched_analyze_2): Add new arguments to true_dependence.
5577 (schedule_insns): Always call init_alias_analysis.
5578 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
5579 mark return value from such functions as a pointer and keep track of
5580 them for alias analysis. If a return value from a function is a
5581 pointer, mark it as such.
5582 * combine.c (distribute_notes): Handle REG_NOALIAS.
5583 * cse.c (struct write_data): Delete. No longer needed.
5584 (invalidate): Don't call set_nonvarying_address_components anymore.
5585 Use true_dependence to decide if an entry should be removed from
5587 (invalidate_memory): Remove WRITES argument, simplify appropriately.
5589 (note_mem_written): Similarly for WRITE_PTR argument.
5590 (invalidate_from_clobbers): Similarly for W argument.
5591 (invalidate_for_call): Remove memory elements from the hash table.
5592 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
5593 (cse_rtx_varies_p): New function. Derived from old
5594 cse_rtx_addr_varies_p.
5595 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
5596 Don't call note_mem_written anymore. Stack pushes invalidate the stack
5597 pointer if PUSH_ROUNDING is defined. No longer need to call
5598 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
5599 (skipped_writes_memory): Remove variable.
5600 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
5601 (invalidate_skipped_block): Simplify for new alias analysis code.
5602 (cse_set_around_loop): Likewise.
5603 (cse_main): Call init_alias_analysis.
5604 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
5605 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
5606 (f_options): Add new alias checking arguments.
5607 (main): Set flag_alias_check when optimizing.
5608 * local_alloc (validate_equiv_mem_from_store): Add new arguments
5610 (memref_referenced_p): Likewise.
5611 * loop.c (NUM_STORES): Increase to 30.
5612 (prescan_loop): Only non-constant calls set unknown_address_altered.
5613 (invariant_p): Add new arguments to true_dependence.
5614 (record_giv): Initialize unrolled and shared fields.
5615 (emit_iv_add_mult): Call record_base_value as needed.
5616 * loop.h (struct induction): Add unrolled and shared fields.
5617 * unroll.c (unroll_loop): Call record_base_value as needed.
5618 (copy_loop_body): Likewise.
5619 (final_biv_value): Likewise.
5620 (final_giv_value): Likewise.
5621 (find_splittable_regs): Likewise. Only create one new pseudo
5622 if we have multiple address GIVs that were combined with the same
5623 dst_reg GIV. Note when a new register is created due to unrolling.
5624 * rtl.c (reg_note_name): Add REG_NOALIAS.
5625 * rtl.h (enum reg_note): Similarly.
5626 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
5627 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
5628 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
5629 (true_dependence, read_dependence, anti_dependence): Likewise.
5630 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
5631 (mark_user_reg, mark_reg_pointer): Likewise.
5634 * Integrate reload bugfix from Wilon which enables the PA port
5636 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
5637 OPERAND_ADDRESS when computing how many registers an insn needs.
5638 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
5640 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
5642 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
5643 in reload_reg_use_in_op_addr do not reach the end.
5644 do not reach the end.
5645 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
5646 RELOAD_FOR_OPERAND_ADDRESS.
5648 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
5650 * egcs project officially starts.