1 Sat Feb 14 05:08:21 1998 Richard Earnshaw (rearnsha@arm.com)
3 * arm.md (movsfcc): Also validate operands[3] when compiling hard
5 (movdfcc): Only accept fpu_add_operand for operands[3].
7 * arm/t-semi (STMP_FIXPROTO): Define to nothing.
8 * arm/t-semiaof (STMP_FIXPROTO): Likewise.
10 Sat Feb 14 02:02:41 1998 Jeffrey A Law (law@cygnus.com)
12 * varasm.c (output_constant_pool): Bring back 'done' label inside
13 an appropriate #ifdef.
15 * bitmap.c (bitmap_element_allocate): Wrap variable 'i' in an
17 (bitmap_copy, bitmap_operation): Likewise.
18 * combine.c (combinable_i3pat): Similarly for 'src'.
19 * function.c (fixup_var_refs_1): Similarly for 'outerdest'.
20 (locate_and_pad_parm): Similarly for 'reg_parm_stack_space'.
21 * regclass.c (copy_cost): Similarly for 'secondary_class'.
22 * reload.c (make_memloc): Simliarly for 'i'.
23 (find_reloads_address_1): Similarly for 'link'.
24 * reload1.c (reload): Similarly for 'previous_frame_pointer_needed'.
25 (emit_reload_insns): Similarly for 'second_reloadreg'.
26 * unroll.c (iteration_info): Similarly for 'v'.
28 * caller-save.c (insert_save_restore): Remove unused variable 'i'.
29 * calls.c (expand_call): Similarly for 'i'.
30 (emit_library_call, emit_library_call_value): Similarly for 'mode'.
31 * fold-const.c (strip_compund_expr): Similarly for 'type'.
32 * function.c (fixup_var_refs_1): Similarly for 'width'.
33 (fixup_memory_subreg): Similarly for 'saved'.
34 (locate_and_pad_parm): Similarly for 'boundary_in_bytes.'
35 (setjmp_protect): Similarly for 'sub'.
36 (thread_prologue_and_epilogue_insns): Similarly for 'insn'.
37 * loop.c (record_giv): Similarly for 'p'.
38 (combine_givs): Similarly for 'temp_iv'.
39 (indirect_jump_in_function_p): Similarly for 'is_indirect_jump'.
40 * recog.c (validate_replace_rtx_1): Similarly for 'width'.
41 * tree.c (get_set_constructor_bytes): Similarly for 'vals'.
42 * unroll.c (unroll_loop): Similarly for 'copy'.
43 (iteration_info): Similarly for 'b'.
44 * varasm.c (assemble_string): Similarly for 'i'.
45 * i386.h (LEGITIMIZE_ADDRESS): Similarly for 'orig_x'.
47 Fri Feb 13 14:38:34 1998 Jim Wilson <wilson@cygnus.com>
49 * dwarf2out.c (decl_scope_node): New type.
50 (decl_scope_table): Change type to use it.
51 (decl_scope_table_allocated, decl_scope_depth): Change type to int.
52 (push_decl_scope): Use new type. New locals containing_scope, i.
53 Add code to handle setting previous field.
54 (scope_die_for): Change type of local i to int. Add code to use
56 (dwarf2out_init): Use new type.
58 1998-02-13 Jason Merrill <jason@yorick.cygnus.com>
60 * except.c (emit_throw): Lose throw_used.
62 Fri Feb 13 20:36:05 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
64 * sched.c (update_flow_info, REG_WAS_0): Ignore if setting insn
66 * haifa-sched.c (update_flow_info, REG_WAS_0): Likewise.
68 Fri Feb 13 12:18:40 1998 Jeffrey A Law (law@cygnus.com)
70 * genextract.c (main): Fix typo.
72 Fri Feb 13 08:41:49 1998 Robert Lipe <robertl@dgii.com>
74 * c-lang.c (finish_file): Bracket declaration of static_ctors,
77 * calls.c (expand_call): Bracket declaration of 'rtx_before_call',
78 'old_stack_arg_under_construction'
79 (emit_library_call): Bracket declaration of 'upper_bound',
80 'lower_bound', 'i', 'reg_parm_stack_space'
81 (emit_library_call_value): Likewise.
84 * collect2.c: include <unistd.h> when appropriate.
85 Bracket declaration of 'exportf' and 'full_real_ld_suffix'.
87 * emit-rtl.c (prev_cc0_setter): Remove unused variable 'link'.
89 * explow.c (plus_constant_for_output_wide): Remove unused variable
91 (memory_address): Remove unused variable 'orig_x'.
93 * genattrtab.c (make_canonical): Remove unreferenced label 'cond:'.
94 (write_const_num_delay_slots): Remove unused variable 'i'.
96 * genopinit.c (main): Remove unused variables 'dummy', 'insn_ptr'.
97 (gen_insn): Remove unused variable 'obstack_ptr'.
99 * libgcc2.c (__bb_exit_func): Remove unused variables 'ret',
101 (__bb_exit_trace_func): Remove unused variable 'e'.
103 * optabs.c (expand_binop): remove unused variables 'lhs', 'rhs',
105 (expand_unop): Remove unused variable 'funexp'.
106 (expand_complex_abs): Remove unused variable 'funexp'.
107 (init_optabs): Bracket declaration of 'j'.
108 (init_complex_libfuncs): Deleted. Dead static function.
110 * profile.c (branch_prob): Remove unused variables 'insn', 'dest'.
112 * reg-stack.c: Fix typo in proto for 'get_asm_operand_lengths'
113 (reg_to_stack): 'initialized', 'before_function_beg'
114 explictly type as ints instead of defaulting.
115 (emit_swap_insn): Remove unused variable 'i2'.
116 (compare_for_stack_reg): Remove unused variable 'src_note'.
118 * rtlanal.c (computed_jump_p): Remove unused variable 'computed_jump'.
120 * sched.c (actual_hazard): Bracket declaration of 'this_cost'.
122 * stmt.c (add_case_node): Add parens for assignment used as truth.
123 (all_cases_count): Remove unused variable 'count_high'.
124 (mark_seen_cases): Remove unused variable 'i'.
125 (check_for_full_enumeration_handling): Remove unused variable 't'.
126 Bracket declaration of 'all_values', 'l'.
128 * tlink.c: Include <stdlib.h>, <unistd.h>, <string.h>/<strings.h>.
130 * varasm.c (assemble_string): Remove unused variable 'i'.
131 (immed_double_const): Remove unused variable 'in_current_obstack'.
132 (immed_real_const_1): Likewise.
133 (output_constant_pool): Remove unreferenced label 'done'.
134 (output_constant): Remove unused variable 'x'.
136 * i386/i386.h (ENCODE_SECTION_INFO): TREE_PUBLIC is an int, not
139 * i386/sco5.h (ASM_OUTPUT_ASCII): Add parens for assignment used
142 Fri Feb 13 10:21:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
144 * combine.c (can_combine_p): Handle USEs in PARALLELs.
146 Fri Feb 13 01:34:14 1998 H.J. Lu (hjl@gnu.org)
148 * config/linux.h (LIB_SPEC): Add -lc for -shared if
149 USE_GNULIBC_1 is not defined.
150 * config/sparc/linux.h; Ditto.
152 * config/sparc/linux64.h (LIB_SPEC): Add -lc for -shared.
154 * config/alpha/linux-elf.h (LIB_SPEC): New. Defined if
155 USE_GNULIBC_1 is not defined.
157 Fri Feb 13 01:29:29 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
159 * rs6000/sysv4.h (ENDFILE_SPEC): add missing %(endfile_linux)
162 Fri Feb 13 01:23:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
164 * system.h: New file to get common systems includes and various
165 definitions and declarations based on autoconf macros.
167 Fri Feb 13 00:46:19 1998 Jeffrey A Law (law@cygnus.com)
169 * cccp.c (new_include_prefix): Correctly handle -I./.
171 Thu Feb 12 20:16:35 1998 Michael Meissner <meissner@cygnus.com>
173 * rs6000.md: Replace gen_rtx (CONST_INT,...) with GEN_INT.
175 Thu Feb 12 16:45:17 1998 Robert Lipe <robertl@dgii.com>
177 * expr.c (expand_assignment): Correct typo exposed by -Wall.
178 offset should have been a truth value, not an assignment.
180 Thu Feb 12 15:26:50 1998 Jeffrey A Law (law@cygnus.com)
182 * cse.c (delete_dead_from_cse): If a libcall produces a constant
183 result and that result can be substituted into SET_SRC of the
184 insn with the REG_RETVAL note, then perform the substitution
185 and delete the libcall.
187 Thu Feb 12 14:04:09 1998 Gavin Koch <gavin@cygnus.com>
189 * mips.md (trucndihi2,truncdiqi2): Change these to support
192 Thu Feb 12 11:34:55 1998 Gavin Koch <gavin@cygnus.com>
194 * mips/mips.c (movdi_operand): Direct referances to symbols
195 that arn't mips16 consts in mips16 mode arn't valid operands.
197 * mips/mips.c (mips_move_2words): Add gprel handling.
199 Thu Feb 12 11:18:37 1998 Gavin Koch <gavin@cygnus.com>
201 * mips.md (extendsidi2): Allow extension to/from a non-mips16
204 Thu Feb 12 00:04:16 1998 Marc Lehmann <pcg@goof.com>
206 * i386.c: Conditionally include <stdlib.h>, <string.h>, and
209 Wed Feb 11 11:43:34 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
211 * Makefile.in (WARN_CFLAGS): New variable.
212 (bootstrap, bootstrap2, bootstrap3, bootstrap4): Use it.
214 1998-02-11 Mark Mitchell <mmitchell@usa.net>
216 * config/i386/i386.c (reg_mentioned_in_mem): Don't abort when
217 falling through default case in switch.
218 (i386_aligned_p): Likewise.
220 Wed Feb 11 12:59:56 1998 Lee Iverson <leei@Canada.AI.SRI.COM>
222 * mips/mips.h (mips_abi_string): Correct typo in comment.
224 Wed Feb 11 08:29:56 1998 Gavin Koch <gavin@cygnus.com>
226 * mips/mips.md (movdi): These PLUS's need to be Pmode.
228 Wed Feb 11 01:47:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
230 * Makefile.in (dwarf2out.o, emit-rtl.o, jump.o, cse.o, unroll.o,
231 reorg.o, regmove.o): Depend on insn-codes.h, it gets included
232 indirectly via expr.h.
234 Wed Feb 11 01:44:13 1998 Richard Henderson <rth@cygnus.com>
236 * stor-layout.c (layout_type): Do upper - lower in the native type,
237 so as to properly handle negative indices.
239 Wed Feb 11 01:35:55 1998 Robert Lipe <robertl@dgii.com>
241 * except.c (start_dynamic_cleanup): Remove unused variable 'dhc'.
242 (expand_eh_region_start_tree): Remove unused variable 'note'.
243 (exception_optimize): Remove unused variable 'regions'.
244 (expand_builtin_eh_stub): Remove unused variable 'temp'.
245 (copy_eh_entry): Deleted. Dead function.
247 * expr.c (move_block_to_reg) Bracket declaration of 'pat' and
248 'last' with same #if HAVE_load_multiple as use of it.
249 (move_block_from_reg): Likewise.
250 (emit_move_insn_1): Remove unused variable 'insns'.
251 (store_constructor): Bracket declaration of startb, endb with
252 #if TARGET_MEMFUNCTIONS. Remove unused variables 'set_word_size'
253 'target', and 'xtarget'.
254 (expand_builtin_setjmp): Remove unused variables 'op0',
255 'next_arg_reg', 'old_inhibit_defer_pop'.
256 (expand_builtin): Remove unused variable 'offset'.
257 (do_store_flag): Remove unused variables 'pattern', 'jump_pat'.
258 (emit_queue): Add parens for assignment used as conditional.
259 (expand_expr): case TARGET_EXPR: Remove unused variable 'temp'.
261 Wed Feb 11 01:30:49 1998 Marc Lehmann <pcg@goof.com>
263 * i386.c: Added include for recog.h.
264 (override_options): Removed unused variable p. Initialized regno to
266 (order_regs_for_local_alloc): Initialized regno to avoid warning.
267 (legitimize_address): Likewise for 'other'.
268 (i386_aligned_reg_p): Added default case with abort ().
269 (print_operand): Likewise.
270 (reg_mentioned_in_mem): Likewise.
271 (ix86_expand_binary_operator): Removed unused variables i & insn.
272 (ix86_expand_unary_operator): Removed unused variable insn.
273 (output_fp_cc0_set): Removed unused variable unordered_label.
275 Wed Feb 11 01:23:03 1998 John F. Carr <jfc@mit.edu>
277 * i386.c, i386.h, i386.md: Change gen_rtx (X, ...) to gen_rtx_X (...).
278 Use GEN_INT instead of gen_rtx (CONST_INT). Make printf arguments
279 and format string match.
281 Wed Feb 11 01:17:39 1998 Jeffrey A Law (law@cygnus.com)
283 * flow.c (life_analysis): Do not conside the stack pointer live at
284 the end of a function if the fucntio ncalls alloca.
285 (mark_used_regs): Similarly.
287 1998-02-10 John F Carr <jfc@mit.edu>
289 * config/sparc/sparc.md (movdi_v8plus): Output stx on alternative
290 1, fzero on alternative 8.
292 Tue Feb 10 09:02:19 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
294 * rs6000.c (setup_incoming_varargs): Always set rs6000_sysv_varargs_p.
296 Tue Feb 10 03:35:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
298 * reload.c (find_reloads_toplev): Handle arbitrary non-paradoxical
299 SUBREGs of CONST_INTs.
301 Mon Feb 9 17:52:36 1998 John Carr <jfc@mit.edu>
303 * mips.c (print_operand, function_prologue): Make printf format
306 Mon Feb 9 02:37:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
308 * alpha.c (alpha_return_addr): Remove unused variable `first'.
309 (alpha_ra_ever_killed): Remove unused variables `ra' and `i'.
310 (output_epilog): Remove unused variable `frame_size_from_reg_save'.
312 Sun Feb 8 14:56:03 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
314 * loop.c (strength_reduce): When placing increment for auto-inc
315 case, do comparison in loop order.
317 Sun Feb 8 13:21:38 1998 John Carr <jfc@mit.edu>
319 * bitmap.c (bitmap_debug_file): HOST_PTR_PRINTF converts a pointer,
322 * calls.c (expand_call): Change test of expand_inline_function
323 return value to stop compiler warning.
325 * genattrtab.c (RTL_HASH): Cast pointer to long, not HOST_WIDE_INT.
327 Sun Feb 8 12:04:24 1998 Jim Wilson (wilson@cygnus.com)
328 Jeff Law (law@cygnus.com)
330 * regmove.c: Fix various minor formatting problems.
331 (optimize_reg_copy_1): Stop search at CALL_INSNs if flag_exceptions
332 is true. Make end of basic block tests consistent through regmove.c.
333 (optimize_reg_copy_2, optimize_reg_copy_3): Likewise.
334 (fixup_match_2, fixup_match_1, regmove_optimize): Likewise.
336 Sun Feb 8 01:49:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
338 * gansidecl.h: Check for a conflicting macro definition before
339 attempting to prototype bcopy, bcmp or bzero.
341 Sun Feb 8 00:09:59 1998 Jeffrey A Law (law@cygnus.com)
343 * expr.c (clear_pending_stack_adjust): Handle case where a function
344 calls alloca, but the user has specified -fomit-fframe-pointer.
346 * function.c (assign_parms): Fix typo in last change.
348 Sat Feb 7 23:54:29 1998 Robert Lipe <robertl@dgii.com>
350 * gcc.c: Include <strings.h>/<string.h>, <stdlib.h>, <unistd.h>,
352 (free_path_suffix): Remove unreferenced static function.
353 (process_command): Remove unused variable temp.
354 (default_arg): Remove unused variable i.
355 (do_spec_1): Add parens for assignment used as truth value.
357 (validate_all_switches): Likewise.
358 (main): Remove unused variables i, first_time>
360 * c-common.c: Include <stdlib.h> and <string.h>/<strings.h>.
362 * calls.c (expand_call): Remove unused variables funtree,
365 * dbxout.c, except.c: Include <string.h>/<strings.h>.
367 * explow.c: (plus_constant_for_output_wide) Removed unused
368 variable all_constant.
370 * c-decl.c, genattr.c, genattrtab.c, getconfig.c, genemit.c
371 genextract.c, genflags.c, genopinit.c genoutput.c, genpeep.c,
372 genrecog.c, global.c, integrate.c , stupid.c : Include
375 * genextract.c: (walk_rtx) Remove unused variable link.
377 * genrecog.c: (concat) Remove unreferenced static function.
379 * prefix.c: Include <string.h>/<strings.h>, <stdlib.h>
381 * stmt.c: Include <stdlib.h>.
382 (expand_asm_operands): Remove unused variable val1.
383 (expand_return): Remove unused variable block.
384 (pushcase): Remove unused variables l and n.
385 (pushcaserange): Likewise.
387 * unroll.c (unroll_loop): Remove unused variable temp.
389 Sat Feb 7 23:46:09 1998 Greg McGary <gkm@gnu.org>
391 * c-decl.c (pushdecl): Set DECL_ORIGINAL_TYPE once only.
393 Sat Feb 7 15:11:28 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
395 * aclocal.m4 (GCC_FUNC_PRINTF_PTR): New macro to test the printf
396 functions for whether they support the %p format specifier.
397 * acconfig.h (HOST_PTR_PRINTF): Insert stub for autoconf.
398 * configure.in (GCC_FUNC_PRINTF_PTR): Use it.
399 * configure, config.in: Rebuild.
401 Fri Feb 6 14:20:16 1998 Jim Wilson <wilson@cygnus.com>
403 * function.c (assign_parms): New variable named_arg, with value
404 depending on STRICT_ARGUMENT_NAMING. Use instead of ! last_named.
406 Fri Feb 6 14:34:28 1998 Gavin Koch <gavin@cygnus.com>
408 * mips/t-r3900: New - same as t-ecoff but eliminate
409 multilibs: mips1 and mips3.
410 * configure.in (tx39*): Use new mips/t-r3900.
411 * configure: Rebuild.
412 * mips/r3900.h (MULTILIB_DEFAULTS): Eliminate mips1.
414 1998-02-06 Jason Merrill <jason@yorick.cygnus.com>
416 * dwarf2out.c: Add old_args_size.
417 (dwarf2out_args_size): Use it.
418 (dwarf2out_begin_prologue): Initialize it.
419 (dwarf2out_stack_adjust): If !asynchronous_exceptions, save up
420 pushed args until we see a call.
421 * final.c (final_scan_insn): Hand CALL_INSNs off to the dwarf2 code
422 before outputting them.
424 1998-02-06 Kriang Lerdsuwanakij <lerdsuwa@scf.usc.edu>
426 * cplus-dem.c (demangle_template_template_parm): New function.
427 (demangle_template): Handle template template parameters.
429 1998-02-02 Mark Mitchell <mmitchell@usa.net>
431 * calls.c (expand_call): Don't confuse member functions named
432 realloc, setjmp, and so forth with the standard library
433 functions of the same names.
435 Thu Feb 5 21:59:49 1998 Jeffrey A Law (law@cygnus.com)
437 * stmt.c (expand_asm_operands): Correctly identify asm statements
440 Thu Feb 5 21:56:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
442 * c-common.c (decl_attributes): Flag unrecognized attribute
443 functions as warnings instead of as errors.
445 1998-02-05 Marc Lehmann <pcg@goof.com>
447 * integrate.c (INTEGRATE_THRESHOLD): Inline only small functions
448 when -Os is specified.
449 * toplev.c (main): Don't disable flag_inline_functions anymore when
452 Fri Feb 6 00:27:36 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
455 * flags.h (flag_regmove): Declare.
456 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Don't declare.
457 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2):
458 Moved into regmove; changed caller.
459 * toplev.c (rest_of_compilation): Call regmove_optimize also for
460 expensive_optimizations.
462 Thu Feb 5 13:38:42 PST 1998 Jeff Law (law@cygnus.com)
464 * version.c: Bump for snapshot.
466 Thu Feb 5 01:45:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
467 Undo this change (the problem was actually in reload):
468 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
470 * sh.md (movqi_i+1): New peephole.
472 Tue Feb 3 01:11:12 1998 Jeffrey A Law (law@cygnus.com)
474 * jump.c (jump_optimize): Lose calls to modified_in_p they are
475 not needed anymore due to changes elsewhere in jump.c.
477 * jump.c (jump_optimize): Fix first arg to modified_in_p in
480 Mon Feb 2 19:18:14 1998 Richard Henderson <rth@cygnus.com>
482 * expr.c (expand_builtin_setjmp): Accept two new arguments for
483 the labels to branch to on first and subsequent executions. Don't
484 play with __dummy. Rename `setjmp' insn to `builtin_setjmp_setup',
485 and provide it with the jmp_buf. Use only one of
486 `builtin_setjmp_receiver' or `nonlocal_goto_receiver',
487 and provide the former with the target label.
488 (expand_builtin) [BUILTIN_SETJMP]: Generate a label for use by setjmp.
489 (expand_builtin) [BUILTIN_LONGJMP]: Split out to ...
490 (expand_builtin_longjmp): ... here. Recognize a `builtin_longjmp'
491 insn to replace all of the normal nonlocal_goto code. Don't play
492 with __dummy. Correct arguments to nonlocal_goto.
493 * expr.h (expand_builtin_setjmp): Update prototype.
494 * except.c (start_dynamic_handler): When using builtin_setjmp,
495 generate more accurate flow information.
497 * alpha.md (nonlocal_goto_receiver_osf): Delete.
498 (nonlocal_goto_receiver_vms): Rename to nonlocal_goto_receiver.
499 (builtin_longjmp, builtin_setjmp_receiver): New.
500 * sparc.md (update_return): Disambiguate unspec number.
501 (nonlocal_goto): Rearrange arguments to match caller in except.c.
502 (builtin_setjmp_setup): Rename from setjmp. Match and ignore the
504 * mips.md (nonlocal_goto_receiver, builtin_setjmp_receiver): Remove.
505 (builtin_setjmp_setup*, builtin_longjmp): New.
507 Mon Feb 2 16:43:10 1998 John Carr <jfc@mit.edu>
509 * mips.md: Change gen_rtx (CONST_INT) to GEN_INT.
511 Mon Feb 2 13:06:47 1998 Jim Wilson <wilson@cygnus.com>
513 * vmsconfig.com: Remove bytecode references.
515 1998-01-30 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
517 * dwarf2out.c (dwarf2out_frame_init): Undo last change, so that
518 -fno-sjlj-exceptions works for a target that defines
519 DWARF2_UNWIND_INFO as zero.
521 * regmove.c (fixup_match_1): Undo last change which removed some
522 "useless" code, and add a comment explaining this.
524 Mon Feb 2 10:47:14 1998 Gavin Koch (gavin@cygnus.com)
526 * mips.c (mips_expand_prologue): Change uses of TARGET_64BIT
529 Mon Feb 2 10:38:41 1998 Klaus Kaempf <kkaempf@progis.de>
531 * makefile.vms: Remove bytecode references.
534 Mon Feb 2 02:08:04 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
536 * jump.c (jump_optimize): Allow conditional loading of floating point
537 constants and constants from memory. Reinstalled modified_in_p tests.
539 Mon Feb 2 01:38:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
541 * loop.c (get_condition): Handle sign-extended constants.
543 Mon Feb 2 01:22:46 1998 Hans-Peter Nilsson <hp@axis.se>
545 * expr.c (emit_push_insn): Add code to use movstrti if present.
547 * expr.c (emit_push_insn): Use same max-move-amount for movstrhi
548 and movstrqi as in emit_block_move ().
550 Mon Feb 2 00:09:52 1998 Toon Moene <toon@moene.indiv.nluug.nl>
552 * config/m68k/x-next: Remove /NextDeveloper/Headers from
553 the directories to fixinclude - /usr/include is a link
554 to it and hence its contents are fixed by default.
556 Sun Feb 1 14:15:33 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
558 * rs6000/linux.h: define JUMP_TABLES_IN_TEXT_SECTION
560 Sun Feb 1 13:01:15 1998 Klaus Kaempf <kkaempf@progis.de>
562 * cccp.c (main): Predefine __VMS_VER on VMS.
564 Sun Feb 1 12:39:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
566 * expr.c (get_inner_reference): Use sbitsizetype for type sizes.
567 * fold-const.c (size_int): Replace with
569 (make_bit_field_ref): Use bitsize_int for bit position.
570 * stor-layout.c (sizetype): Delete.
571 (sizetype_tab, sbitsizetype, ubitsizetype): Declare.
572 (layout_record, layout_union, layout_type):
573 Use bitsize_int for bit size.
574 (set_sizetype): New function.
575 (make_signed_type, make_unsigned_type): Use it.
576 * c-decl.c (init_decl_processing): Likewise.
577 * tree.h (size_int): Don't delcare, #define.
578 (size_int_wide, sizetype_tab, sbitsize, ubitsize): Declare.
579 (set_sizetype): Declare.
580 (bitsize_int, size_int_2, BITS_PER_UNIT_LOG, sizetype, bitsizetype):
582 * c-typeck.c (c_sizeof, c_sizeof_nowarn, c_size_in_bytes):
583 Convert result to sizetype.
584 (really_start_incremental_init, push_init_level):
585 Set type of constructor_bit_index to sbitsizetype.
586 (push_init_level): Use unsigned arithmetic to determine padding.
587 (output_init_element): Likewise.
589 Sun Feb 1 03:32:07 1998 Jeffrey A Law (law@cygnus.com)
591 * combine.c (simplify_shift_const): Fix typo in last change.
593 Sun Feb 1 02:50:46 1998 John Carr <jfc@mit.edu>
595 * combine.c (simplify_shift_const): (lshiftrt (truncate (lshiftrt)))
596 is (truncate (lshiftrt)).
598 Sun Feb 1 01:06:53 1998 Richard Henderson <rth@cygnus.com>
600 * alpha.c (alpha_expand_unaligned_load): Use expand_binop properly.
601 Make sure result winds up in TGT.
602 (alpha_expand_unaligned_store): Use expand_binop properly. Allow
603 src to be other than DImode.
604 (alpha_expand_unaligned_load_words): Tidy. Take an offset argument.
605 (alpha_expand_unaligned_store_words): Likewise.
606 (alpha_expand_block_move): Use REGNO_POINTER_ALIGN. Restructure so
607 that source and destination are separately optimized for alignment.
608 (alpha_expand_block_clear): Use REGNO_POINTER_ALIGN.
610 Sun Feb 1 01:55:09 1998 Jeffrey A Law (law@cygnus.com)
612 * mips.md (adddi3_internal_2): Be consistent with adddi3 expander
613 with handling of -32768.
615 Sun Feb 1 01:48:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
617 * aclocal.m4 (GCC_NEED_DECLARATION): Modify macro to accept a
618 shell variable argument instead of only hard coded functions.
619 (GCC_NEED_DECLARATIONS): New macro to accept multiple functions.
621 * configure.in: Collapse multiple calls to AC_CHECK_FUNCS into one
622 call. Collapse multiple calls to GCC_NEED_DECLARATION into one
623 call to GCC_NEED_DECLARATIONS (new macro.) Check if we need
624 declarations for bcopy, bcmp and bzero.
626 * acconfig.h: Add stubs for bcopy, bcmp and bzero declarations.
628 * gansidecl.h: If we have bcopy but don't declare it, then do so.
629 Likewise for bcmp and bzero. Only define macros for bcopy, bcmp,
630 bzero, index and rindex if they aren't already present.
632 Sat Jan 31 11:26:58 1998 Jeffrey A Law (law@cygnus.com)
634 * toplev.c (close_dump_file): Wrap function prototype for
635 argument "func" in PROTO.
636 (dump_rtl): Likewise.
638 Fri Jan 30 22:30:39 1998 John Carr <jfc@mit.edu>
640 * sparc.c (sparc_override_options): Make v8plus and ultrasparc set
642 (output_function_epilogue): Omit epilogue if nothing drops through.
643 (output_move_double): Supress int ldd usage on ultrasparc and v9.
644 (registers_ok_for_ldd_peep): Likewise.
645 (print_operand): Supress b,a on ultrasparc. Let Y accept a constant.
646 (ultrasparc_adjust_cost): New function.
647 (sparc_issue_rate): New function.
648 * sparc.h (MASK_VIS, TARGET_VIS): New
649 (MASK_V8PLUS, TARGET_V8PLUS): New.
650 (TARGET_HARD_MUL32, TARGET_HARD_MUL): New.
651 (TARGET_SWITCHES): Add vis and v8plus.
652 (REG_CLASS_FROM_LETTER): Accept d and b for VIS.
653 (REGISTER_MOVE_COST): FP<->INT move cost 12 for ultrasparc.
654 (RTX_COSTS): Use TARGET_HARD_MUL
655 (ADJUST_COST): Call ultrasparc_adjust_cost.
657 * sparc.md (attr type): Add sload, fpmove, fpcmove. Adjust users
658 of load & fp appropritely.
659 (supersparc function units): Adjust for Haifa.
660 (ultrasparc function units): Likewise.
661 (get_pc_via_rdpc): All v9, not just arch64.
662 (movdi_v8plus, movdi_v8plus+1): New.
663 (adddi3_sp32+1): New.
664 (subdi3_sp32+1): New.
665 (movsi_insn, movsf_const_insn, movdf_const_insn): Know VIS.
666 (addsi3, subsi3, anddi3_sp32, andsi3, and_not_di_sp32): Likewise.
667 (and_not_si, iordi3_sp32, iorsi3, or_not_di_sp32, or_not_si): Likewise.
668 (xorsi3_sp32, xorsi3, xor_not_di_sp32, xor_not_si): Likewise.
669 (one_cmpldi2_sp32, one_cmplsi2): Likewise.
670 (ldd peepholes): Suppress for v9.
671 (return_adddi): Kill redundant test. Arg1 may be arith_operand.
672 (return_subsi): Revmove.
674 Fri Jan 30 18:30:03 1998 John F Carr <jfc@mit.edu>
676 * mips.c (save_restore_insns): Set RTX_UNCHANGING_P in register
677 save/restore MEM rtl.
679 Fri Jan 30 09:08:16 1998 Jeffrey A Law (law@cygnus.com)
681 * configure.in: Check for declaration of abort.
682 * acconfig.h: Corresponding changes.
683 * toplev.c: Use NEED_DECLARATION_ABORT to determine if abort should
686 Thu Jan 29 20:26:12 1998 Jeffrey A Law (law@cygnus.com)
688 * genattrtab.c (optimize): Define in case PRESERVE_DEATH_INFO_REGNO_P
691 Thu Jan 29 09:27:56 PST 1998 Jeff Law (law@cygnus.com)
693 * version.c: Bump for snapshot.
695 Thu Jan 29 10:12:27 1998 Jeffrey A Law (law@cygnus.com)
697 * configure.in: Check for atoq and atoll.
698 * rtl.c (read_rtx): Use HAVE_ATOLL and HAVE_ATOQ to select the
699 proper routine for converting ascii into long long values.
701 Thu Jan 29 01:28:14 1998 Klaus Kaempf <kkaempf@progis.de>
703 * cccp.c (SYS$SEARCH, SYS$PARSE): Write as upper-case.
705 * vmsconfig.com: Remove bytecode references.
707 * alpha/vms.h (PREFIX): Define.
709 * alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Remove.
711 * am-alpha.h: Don't include alloca for OPEN_VMS.
713 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Define.
715 * alpha/xm-vms.h (INCLUDE_DEFAULTS): Define.
716 (GCC_INCLUDE_DIR): Define
718 * make-cc.com, make-cccp.com, make-cc1.com: Removed.
719 * makefile.vms: New file.
721 * alpha/vms.h (CPP_PREDEFINES): Remove -Dalpha.
723 * alpha.c (output_prolog): Output '.name' directive
724 for minimal traceback information.
726 * alpha.c (output_prolog): Don't prepend entry point symbols
727 with '$' on OPEN_VMS.
729 Thu Jan 29 00:25:35 1998 David S. Miller <davem@tanya.rutgers.edu>
730 Jeffrey A Law (law@cygnus.com)
732 * rtl.c (read_rtx): Use atol/atoq based upon disposition of
735 * genattrtab.c (write_test_expr): Use HOST_WIDE_INT_PRINT_DEC
737 * genemit.c (gen_exp): Likewise.
738 * genpeep.c (match_rtx): Likewise.
739 * genrecog.c (write_tree_1): Likewise.
741 * c-lex.c (yyprint): Use proper format string based upon
742 disposition of HOST_BITS_PER_WIDE_INT.
743 (yylex): Put casts in right place for args to build_int_2.
745 Thu Jan 29 00:24:29 1998 Jeffrey A Law (law@cygnus.com)
747 * combine.c: Fix typos in Jan27 changes.
749 Thu Jan 29 00:07:49 1998 Ollivier Robert <roberto@keltia.freenix.fr>
751 * i386/freebsd.h (LIB_SPEC): Correctly handle -shared, -p and friends.
752 (LINK_SPEC): Likewise.
753 (STARTFILE_SPEC): Likewise.
755 1998-01-28 Mike Stump <mrs@wrs.com>
757 * rtlanal.c (dead_or_set_regno_p): Ignore REG_DEAD notes after
759 * genattrtab.c (reload_completed): Define.
761 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Remove obsolete
764 Wed Jan 28 20:11:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
766 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
767 SUBREG_REG if the word count is unchanged, also in the input reload
768 case. Disable non-applicable sanity checks.
770 Wed Jan 28 20:08:26 1998 Jeffrey A Law (law@cygnus.com)
772 * config/t-svr4 (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
774 Wed Jan 28 20:04:43 1998 Ian Lance Taylor <ian@cygnus.com>
776 * i386/t-cygwin32 (LIMITS_H_TEST, LIBGCC2_INCLUDES): Define.
778 Wed Jan 28 11:45:27 1998 Per Bothner <bothner@cygnus.com>
780 * dbxout.c (dbxout_type): For a RECORD_TYPE, check that TYPE_BINFO
781 is a TREE_VEC before trying to use it for baseclasses.
782 (Chill uses the same field for a different purpose.)
784 * toplev.c (strip_off_ending): Generalize to endings up to 5 chars.
786 Tue Jan 27 23:15:55 1998 Lassi A. Tuura <lat@iki.fi>
788 * config.sub: More accurate determination of HP processor types.
790 Tue Jan 27 23:11:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
792 * c-lex.c: Include <stdlib.h> and <string.h>/<strings.h>. Add
793 prototype for `handle_sysv_pragma', and make it static. Add
794 parentheses around assignment used as truth value.
796 * combine.c (combine_instructions): Protect variable `prev' with
798 (can_combine_p): Protect variable `link' with AUTO_INC_DEC.
799 (extract_left_shift): Add parentheses around operand of &.
800 (merge_outer_ops): Avoid an empty body in an else-statement.
801 (gen_rtx_combine): Remove unused variable `i'.
803 * sparc/gmon-sol2.c: Include <fcntl.h>. Make return type of
804 function monstartup `void'. Likewise for internal_mcount. Add
805 `static void' prototype for moncontrol. Reconcile sprintf format
808 * sparc/sparc.c: Include <stdlib.h> and <string.h>/<strings.h>.
809 Make return type of function_arg_slotno explicitly `int'.
810 (reg_unused_after): Add parentheses around assignment used as
812 (save_regs): Add explicit braces to avoid ambiguous `else'.
813 (function_arg_slotno): Add parentheses around && within ||.
814 (function_arg_pass_by_reference): Likewise.
815 (sparc_flat_output_function_prologue): Reconcile fprintf format
818 * svr4.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
819 assignment used as truth value.
821 * cplus-dem.c: Include <stdlib.h>.
822 (demangle_signature): Avoid an empty body in an else-statement.
823 (do_type): Remove unused variable `lvl'.
825 * cppexp.c: Don't have <stdlib.h> depend on MULTIBYTE_CHARS.
826 Include <string.h>/<strings.h>.
827 (cpp_lex): Remove unused variable `namelen'.
828 (cpp_lex): Explicitly declare `num_chars' as an int.
830 * cpplib.c: Avoid duplicate inclusion of <stdlib.h>, include
831 <unistd.h> instead. Explicitly declare is_system_include
833 (make_assertion): Remove unused variable `kt'.
834 (cpp_expand_to_buffer): Hide variable `obuf'.
835 (output_line_command): Remove unused variables, `line_end',
836 `line_cmd_buf' and `len'.
837 (macarg): Remove unused variable `arg_start'.
838 (special_symbol): Remove unused variable `i'. Add parentheses
839 around assignment used as truth value.
840 (do_include): Remove unused variables `pcfname' and `retried',
841 hide `pcf' and `pcfbuflimit'.
842 (do_line): Remove unused variable `i'.
843 (finclude): Hide variable `missing_newline'.
844 (cpp_handle_options): Remove unused variable `j'.
845 (read_token_list): Remove unused variable `eofp'.
846 (cpp_error_with_line): Remove unused variable `i'.
847 (cpp_warning_with_line): Likewise.
848 (cpp_pedwarn_with_line): Explicitly declare `column' as int.
849 (cpp_error_from_errno): Remove unused variable `i'.
851 * cse.c (invalidate): Add parentheses around assignment used as
853 (find_best_addr): Move declaration of variable `our_cost' inside
854 the conditional macro where its used.
855 (fold_rtx): Avoid an empty body in an if-statement.
856 (cse_insn): Wrap variables `this_insn_cc0_mode' and
857 `this_insn_cc0' in macro HAVE_cc0.
859 * dwarf2out.c: Include <stdlib.h> and <string.h>/<string.h>.
860 (ASM_OUTPUT_DWARF_DATA8): Reconcile format vs. args in fprintf's.
861 (output_uleb128): Likewise.
862 (output_sleb128): Likewise.
863 (output_cfi): Likewise.
864 (output_call_frame_info): Remove unused variables `j', `fde_size'
866 (comp_unit_has_inlines): Hide declaration as per rest of file.
867 (size_of_line_prolog): Correct typo in prototype.
868 (add_arange): Likewise.
869 (output_aranges): Likewise.
870 (add_name_and_src_coords_attributes): Likewise.
871 (gen_array_type_die): Likewise.
872 (gen_inlined_subroutine_die): Likewise.
873 (equate_decl_number_to_die): Remove unused variable `i'.
874 (print_die): Reconcile format vs. args in fprintf's.
875 (print_dwarf_line_table): Likewise.
876 (output_die): Likewise.
877 (output_line_info): Likewise.
878 (add_subscript_info): Avoid an empty body in an else-statement.
879 (gen_subprogram_die): Remove unused variable `fp_loc'.
881 * dwarfout.c: Explicitly declare `next_pubname_number' as int.
882 Protect `ordering_attribute' prototype with USE_ORDERING_ATTRIBUTE
883 macro. Protect `src_coords_attribute' prototype with
884 DWARF_DECL_COORDINATES macro. Hide `output_entry_point_die'
885 prototype as in the rest of the file. Likewise for
886 `output_pointer_type_die' and `output_reference_type_die'. Remove
887 prototype for `type_of_for_scope'.
888 (output_unsigned_leb128): Reconcile format vs. args in fprintf.
889 (type_attribute): Add explicit braces to avoid ambiguous `else'.
891 * final.c: Include <stdlib.h> and <string.h>/<strings.h>.
892 (shorten_branches): Protect declaration of tmp_length with
893 SHORTEN_WITH_ADJUST_INSN_LENGTH and ADJUST_INSN_LENGTH macros.
894 (profile_function): Protect declaration of `sval' and `cxt'
895 variables with appropriate macros.
896 (final_scan_insn): Likewise for `note' variable. Add explicit
897 braces to avoid empty body in an if-statement.
898 (output_asm_insn): Move variable `i' inside macro conditional
899 where it is used. Add parentheses around assignment used as truth
901 (asm_fprintf) Likewise, likewise.
903 * fix-header.c (main): Remove unused variable `done'. Protect
904 declaration of `i' with FIXPROTO_IGNORE_LIST.
906 * pexecute.c: Include <unistd.h>. Prototype `my_strerror'.
908 * print-rtl.c (print_inline_rtx): Explicitly declare the parameter
911 * profile.c: Include <string.h>/<strings.h>.
912 (instrument_arcs): Remove unused variables `note', `inverted',
913 `zero' and `neg_one'.
914 (branch_prob): Avoid empty body in an if-statement.
916 * regclass.c: Include <stdlib.h>.
917 (reg_alternate_class): Explicitly declare parameter `regno'.
919 * regmove.c (regmove_optimize): Remove unused variable `p'. Add
920 parentheses around assignment used as truth value.
921 (find_matches): Remove unused variables `output_operand' and
923 (fixup_match_1): Remove statement with no effect: "if (0) ;".
925 * scan.c (sstring_append): Explicitly declare `count' as int.
926 (scan_string): Explicitly declare parameter `init' as int.
928 * sched.c: Include <stdlib.h>.
929 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
930 (rank_for_schedule): Add parentheses around assignment used as
932 (schedule_block): Likewise.
933 (regno_use_in): Likewise.
934 (schedule_insns): Remove unused variable `i'.
936 * toplev.c: Include <stdlib.h> and <string.h>/<strings.h>.
937 (v_message_with_decl): Remove unused variable `n'.
938 (botch): Explicitly declare parameter `s' as char *.
939 (main): Add parentheses around assignment used as truth value.
941 * tree.c (make_node): Protect the variable `kind' with the
942 GATHER_STATISTICS macro.
943 (real_value_from_int_cst): Move variable `e' inside conditional
944 macro area where it is used.
945 (tree_last): Add parentheses around assignment used as truth value.
946 (build1): Protect the variable `kind' with the GATHER_STATISTICS
948 (print_obstack_statistics): Reconcile format vs. args in fprintf.
949 Protect variables `i', `total_nodes', and `total_bytes' with the
950 GATHER_STATISTICS macro.
952 Tue Jan 27 23:01:55 1998 Mike Stump (mrs@wrs.com)
954 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Add
955 some comments regarding use of dead_or_set_p.
957 Tue Jan 27 22:14:48 1998 Todd Vierling <tv@pobox.com>
959 * fixincludes: Tweak fix for struct exception in math.h
961 Tue Jan 27 17:21:09 1998 Gavin Koch (gavin@cygnus.com)
963 * mips/mips.c (mips_expand_prologue,mips_expand_epilogue):
964 Change mode of registers used to add/sub from
965 hard_frame_pointer_rtx from word_mode to Pmode.
967 Tue Jan 27 11:02:04 1998 Nick Clifton <nickc@cygnus.com>
969 * v850.h (ASM_OUTPUT_ALIGNED_BSS): Use
970 asm_output_aligned_bss() instead of asm_output_bss().
972 * toplev.c (rest_of_compilation): Replace references to
973 stack_reg_dump_file and dbr_sched_dump_file with references to
976 Tue Jan 27 10:22:13 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
978 * tlink.c (scan_linker_output): Call fclose() for opened files.
980 Tue Jan 27 05:05:26 1998 Richard Henderson <rth@cygnus.com>
982 * alpha.c (output_epilog [!VMS]): Don't tag global functions if
983 compiling with -fpic -- we want to be able to override symbols
985 (alpha_expand_block_move): Fix thinko in last change.
987 * alpha.h (ASM_OUTPUT_MI_THUNK): New define.
988 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): New define.
989 * config/alpha/vms.h (ASM_OUTPUT_MI_THUNK): New undef.
991 Tue Jan 27 03:21:23 1998 Richard Henderson <rth@cygnus.com>
993 * alpha.md (abssf, absdf): Revert last change.
995 Tue Jan 27 00:26:50 1998 John Carr <jfc@mit.edu>
997 * dwarf2out.c (dwarf2out_frame_init): Test value of DWARF2_UNWIND_INFO.
998 * mips/sni-svr4.h: Define DWARF2_UNWIND_INFO as 0.
1000 Tue Jan 27 00:07:02 1998 Jeffrey A Law (law@cygnus.com)
1002 * emit-rtl.c (gen_lowpart_common): Handle more case where converting
1003 a CONST_INT into SFmode.
1005 Tue Jan 20 16:01:03 1998 Anthony Green <green@cygnus.com>
1007 * flags.h: New flag (optimize_size).
1008 * toplev.c (main): Parse -Os option and set optimize_space
1010 * gcc.c (default_compilers), cp/lang-specs.h, f/lang-specs.h: Define
1011 __OPTIMIZE_SIZE__ when compiling with -Os.
1012 * config/dsp16xx/dsp16xx.h, config/i386/i386.h,
1013 config/i386/dgux.h, config/i960/i960.h, config/pdp11/pdp11.h,
1014 config/v850/v850.h (OPTIMIZATION_OPTIONS): New SIZE argument
1016 * config/i386/i386.c (optimization_options): Accept new SIZE argument.
1018 Mon Jan 26 23:57:39 1998 Manfred Hollstein <manfred@s-direktnet.de>
1020 * libgcc2.c (__clear_insn_cache): On sysV68 enable the memctl
1021 stuff only if MCT_TEXT is #define'd.
1023 Mon Jan 26 23:52:51 1998 Markus F.X.J. Oberhumer <k3040e4@c210.edvz.uni-linz.ac.at>
1025 * configure.in (i*86-pc-msdosdjgpp): Treat like msdos & go32
1028 Fri Jan 23 09:39:36 1998 Nick Clifton <nickc@cygnus.com>
1030 * toplev.c: Add -dM command line option to dump RTL after the
1031 machine dependent reorganisation pass, if there is one.
1032 Reorganise RTL dump code, so that only one file handle is
1035 Mon Jan 26 12:09:42 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
1037 * except.c (check_exception_handler_labels): Disable warning when
1040 Mon Jan 26 18:17:32 1998 Jim Wilson <wilson@cygnus.com>
1042 * sparc.c (pic_setup_code): Don't set LABEL_PRESERVE_P.
1044 Mon Jan 26 18:11:30 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1046 * c-decl.c (grokdeclarator): Get parameter tags from
1047 last_function_parm_tags.
1048 * dwarfout.c (output_formal_types): Set TREE_ASM_WRITTEN before
1049 traversing the parameter types.
1050 (output_type): No early exit for FUNCTION_TYPE / METHOD_TYPE context.
1052 Mon Jan 26 01:44:12 1998 Jeffrey A Law (law@cygnus.com)
1054 * h8300.c (print_operand): Handle CONST_DOUBLE for 'e', 'f', and
1056 (get_shift_alg): Fix typo.
1058 Sun Jan 25 22:22:04 1998 Richard Henderson <rth@cygnus.com>
1060 * alpha.c (alpha_expand_block_move): Copy ADDRESSOF to reg.
1062 Sun Jan 25 22:14:28 1998 Richard Henderson <rth@cygnus.com>
1064 * toplev.c (get_run_time): Make sure each case gets its variables.
1066 Sun Jan 25 22:10:21 1998 Richard Henderson <rth@cygnus.com>
1068 * configure.in (build_xm_file): Add auto-config.h if host=build.
1069 (host_xm_file_list): Don't add $(srcdir) to auto-config.h.
1070 (build_xm_file_list): Likewise.
1071 * configure: Rebuild.
1073 Sun Jan 25 22:00:25 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk>
1075 * recog.c (validate_replace_rtx_1): Only perform substitutions
1076 of arguments to commutative and comparison operators once.
1078 Sun Jan 25 12:30:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1080 * sparc.c (output_cbranch): Add default case in
1083 * reorg.c (insn_sets_resource_p): Correct typo in prototype.
1084 (emit_delay_sequence): Eliminate unused parameter, all callers
1086 (fill_simple_delay_slots): Likewise.
1087 (fill_slots_from_thread): Likewise.
1088 (fill_eager_delay_slots): Likewise.
1089 (mark_referenced_resources): Add default case in enumeration switch.
1090 (mark_set_resources): Likewise.
1091 (rare_destination): Likewise.
1092 (mostly_true_jump): Likewise.
1093 (find_dead_or_set_registers): Likewise.
1094 (redirect_with_delay_slots_safe_p): Remove unused variable `slots'.
1095 (update_reg_unused_notes): Remove unused variable `p'.
1096 (mark_target_live_regs): Remove unused variables `next' and
1098 (fill_simple_delay_slots): Remove unused variable `j'.
1099 (fill_slots_from_thread): Add parentheses around assignment used
1101 (dbr_schedule): Likewise.
1103 * objc/Make-lang.in (objc.stage1): Depend on stage1-start.
1104 (objc.stage2, objc.stage3, objc.stage4): Likewise.
1106 Sun Jan 25 12:13:47 1998 Michael Tiemann <michael@tiemann.org>
1108 * cse.c (simplify_ternary_operation): Don't try to simplify
1109 IF_THEN_ELSE expressions (created by combine) that don't use
1110 relational operators.
1112 Fri Jan 23 22:48:24 1998 Jeffrey A Law (law@cygnus.com)
1114 * cse.c (simplify_ternary_operation): Handle more IF_THEN_ELSE
1117 * crtstuff.c (init_dummy): Keep the epilogue in the init
1118 section for non-ELF systems.
1120 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1122 * sh.md (movqi_i+1): New peephole.
1124 Fri Jan 23 15:39:42 1998 Jim Wilson <wilson@cygnus.com>
1126 * Makefile.in: Remove remaining bytecode stuff.
1127 * emit-rtl.c, expr.c: Likewise.
1129 Fri Jan 23 12:41:10 1998 Nick Clifton (nickc@cygnus.com)
1131 * toplev.c (lang_options): Add unknown-pragma options.
1133 Thu Jan 22 23:43:38 1998 Per Bothner <bothner@cygnus.com>
1135 * dwarfout.c (byte_size_attribute): Simplify and fix - don't need
1136 special (and incomplete) handling for Chill arrays.
1138 Fri Jan 23 00:27:23 1998 John Carr <jfc@mit.edu>
1140 * toplev.c (get_run_time): Call sysconf(_SC_CLK_TCK), when available,
1143 Fri Jan 23 00:19:36 1998 Gavin Koch (gavin@cygnus.com)
1145 * mips.md (muldi3_internal2): Reverse test for TARGET_MIPS16.
1147 1998-01-22 scott snyder <snyder@d0sgif.fnal.gov>
1149 * mips.c (function_prologue): Use HARD_FRAME_POINTER_REGNUM in
1150 .frame directive instead of FRAME_POINTER_REGNUM.
1152 Fri Jan 23 00:08:55 1998 Robin Kirkham <rjk@mlb.dmt.csiro.au>
1154 * m68k.h (TARGET_SWITCHES): -mcpu32 now clears MASK_68881.
1155 (MACHINE_STATE_m68010_up): Replaced __mc68332__ with __mcpu32__.
1156 * m68k/m68k-none.h(CPP_FPU_SPEC): Update relative to TARGET_SWITCHES.
1157 (CPP_SPEC, ASM_SPEC, CC1_SPEC): Likewise.
1158 (CPP_SPEC): -m68332 defines both __mc68332 and __mcpu32__.
1159 * m68k/t-m68kbare (MULTILIB_OPTIONS): Add mcpu32.
1160 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
1161 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
1163 * longlong.h: Replace __mc68332__ with __mcpu32__.
1165 Thu Jan 22 19:55:40 PST 1998 Jeff Law (law@cygnus.com)
1167 * version.c: Bump for snapshot.
1169 Thu Jan 22 14:47:31 1998 Jim Wilson <wilson@cygnus.com>
1171 * reload.c (push_reload): In WORD_REGISTER_OPERATIONS code, add test
1172 to require the SUBREG mode to be smaller than the SUBREG_REG mode.
1173 * reload1.c (eliminate_regs): Likewise.
1175 Thu Jan 22 14:49:14 1998 Jeffrey A Law (law@cygnus.com)
1177 * regmove.c (find_matches): Initialize matches->earlyclobber too.
1179 Thu Jan 22 01:40:52 1998 Richard Henderson <rth@cygnus.com>
1181 * alpha.md (abssf2, absdf2): Disable in IEEE mode.
1182 (negsf2, negdf2): Use proper subtract in IEEE mode.
1184 Tue Jan 20 09:29:09 1998 Jeffrey A Law (law@cygnus.com)
1186 * Makefile.in: Remove more bytecode stuff.
1187 * expr.c, stmt.c, config/msdos/top.sed: Likewise.
1188 * vax/xm-vms.h, winnt/config-nt.sed: Likewise.
1189 * f/install.texi, objc/Make-lang.in: Likewise.
1191 * Makefile.in: Remove all bytecode support.
1192 (OBJS): Make sure last entry is a real object file, not EXTRA_OBJS.
1193 * emit-rtl.c: Remove all bytecode support.
1194 * expr.c, expr.h function.c, integrate.c: Likewise.
1195 * output.h, regclass.c, rtl.h, stmt.c, toplev.c: Likewise.
1196 * tree.h, varasm.c: Likewise.
1197 * config/m68k/m68k.h: Likewise.
1198 * bi-*, bc-*, bytecode*: Delete bytecode related files.
1199 * modemap.def: Likewise.
1201 Tue Jan 20 09:02:31 1998 Gavin Koch (gavin@cygnus.com)
1203 * mips/mips.md (divsi3,divdi3,modsi3,moddi3,udivsi3,udivdi3,
1204 umodsi3,umoddi3): Handle mips16 div/mod by a constant.
1206 Mon Jan 19 21:57:00 1998 Richard Henderson <rth@cygnus.com>
1208 * i386.md (push): Prohibit symbolic constants if flag_pic.
1209 (movsi+1): Likewise for move to non-register.
1211 Mon Jan 19 11:15:38 1998 Jim Wilson <wilson@cygnus.com>
1213 * alpha.c (mode_mask_operand): Accept 0xffffffff on 32 bit host.
1214 (print_operand): Handle 0xffffffff on 32 bit host.
1216 * configure.in (thread_file): Rename uses before main loop to
1217 target_thread_file. Initialize to empty in main loop. Set thread_file
1218 to target_thread_file after main loop if not set.
1219 * configure: Rebuild.
1221 * genattrtab.c (find_and_mark_used_attributes): Handle CONST_INT.
1222 (add_values_to_cover): Revert last change (which had no ChangeLog
1224 (simplify_with_current_value_aux): Handle CONST_INT.
1226 Mon Jan 19 10:14:55 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1228 * unprotoize.c: Define UNPROTOIZE first, to actually take effect.
1230 Mon Jan 19 10:11:52 1998 Richard Henderson <rth@cygnus.com>
1232 * configure.in: Add cpp stringify test.
1233 * acconfig.h (HAVE_CPP_STRINGIFY): New tag.
1234 * gengenrtl.c: Use it.
1235 * configure, config.in: Rebuild.
1237 Mon Jan 19 09:43:15 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1239 * Makefile.in (genrtl.c genrtl.h): Add dummy command for GNU make.
1241 Mon Jan 19 09:38:18 1998 Richard Henderson <rth@cygnus.com>
1243 * configure.in: Find declaration for sbrk.
1244 * acconfig.h (NEED_DECLARATION_SBRK): New tag.
1245 * config.in, configure: Rebuild.
1246 * mips-tfile.c: Properly protect declaration of sbrk and free.
1247 * toplev.c: Properly protect declaration of sbrk.
1249 Sun Jan 18 20:18:01 1998 Richard Henderson <rth@cygnus.com>
1251 * alpha.c (alpha_handle_trap_shadows): Ignore CLOBBERs.
1253 Sun Jan 18 01:54:27 1998 Jeffrey A Law (law@cygnus.com)
1255 * alpha/xm-winnt.h (HAS_INIT_SECTION): Undefine.
1257 Sun Jan 18 00:57:35 1998 Mike Stump (mrs@wrs.com)
1259 * configure.in (i960-wrs-vxworks): Default to latest vxworks release.
1261 Sat Jan 17 23:41:36 1998 David S. Miller <davem@tanya.rutgers.edu>
1263 * combine.c (force_to_mode, nonzero_bits): Correctly optimize
1264 constant offset computations from objects with known alignment in
1265 the presence of STACK_BIAS.
1267 * varasm.c (immed_double_const): Add casts to HOST_WIDE_INT where
1269 (const_hash): Hash val is unsigned long.
1270 (SYMHASH): Likewise.
1272 * tree.c (TYPE_HASH): Type of hash val is unsigned long.
1274 * print-tree.c (print_node_brief): HOST_PTR_PRINTF format wants a
1275 char pointer, not HOST_WIDE_INT.
1276 (print_node): Likewise. Also hash is unsigned long not
1279 * cse.c (canon_hash): Hash is unsigned long not HOST_WIDE_INT.
1281 * explow.c (optimize_save_area_alloca): New function for targets
1282 where SETJMP_VIA_SAVE_AREA is true.
1283 (allocate_dynamic_stack_space): On SETJMP_VIA_SAVE_AREA targets,
1284 compute the amount of stack space needed should we find later that
1285 setjmp is never called by this function, stuff rtl for this inside
1286 a REG_NOTE of the final SET of stack_pointer_rtx.
1287 * toplev.c (rest_of_compilation): If SETJMP_VIA_SAVE_AREA and
1288 current_function_calls_alloca, call optimize_save_area_alloca.
1290 Sat Jan 17 23:22:59 1998 John Wehle (john@feith.com)
1292 * i386.md: Remove redundant integer push patterns.
1293 Don't bother checking for TARGET_PUSH_MEMORY when
1294 pushing constants or registers.
1296 Sat Jan 17 22:35:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
1297 J.J VanderHeijden <J.J.vanderHeijden@student.utwente.nl>
1299 * pexecute.c (pexecute): New function for mingw32. Supports pipes.
1300 (pwait): New function for mingw32.
1302 * gcc.c (execute): Mingw32 pexecute() supports pipes, but cygwin32
1303 pipe support is broken for now.
1305 1998-01-17 Lee Iverson <leei@Canada.AI.SRI.COM>
1307 * emit_rtl.c (init_emit_once): Ensure that potential aliasing
1308 between frame_pointer_rtx, hard_frame_pointer_rtx, and
1309 arg_pointer_rtx is respected in initialization.
1310 (init_emit_once): Use gen_rtx_raw_REG() to create
1311 return_address_pointer_rtx.
1313 * reorg.c: #include "expr.h" for rtx prototypes.
1314 * Makefile.in (reorg.o): Depend on expr.h
1316 Sat Jan 17 21:28:08 1998 Pieter Nagel <pnagel@epiuse.co.za>
1318 * Makefile.in (FLAGS_TO_PASS): Pass down gcc_include_dir and
1319 local_prefix to sub-make invocations.
1321 Sat Jan 17 21:24:16 1998 David T. McWherter <dtm@waterw.com>
1323 * objc-parse.c: Recognize protocol qualifiers in class definitions.
1325 Sat Jan 17 21:16:19 1998 Jeffrey A Law (law@cygnus.com)
1329 * acconfig.h (NEED_DECLARATION_ATOL): New declaration to check for.
1330 * configure.in: Check for atol.
1331 * rtl.c (atol): Only provide the declaration if NEED_DECLARATION_ATOL.
1333 * rtl.c (read_rtx): Initialize list_rtx to NULL, not NULL_RTX.
1335 * loop.c (find_and_verify_loops): When attempting to move insns from
1336 inside the loop outside the loop, create a BARRIER if no suitable
1339 * jump.c (jump_optimize): Remove Dec 17, 1997 chance in
1340 favor of an equivalent change from gcc-2.8.
1342 * i386/x-sco5 (CC): Remove trailing whitespace.
1344 Sat Jan 17 21:09:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1346 * gengenrtl.c (type_from_format): De-ANSIfy function signature.
1347 (accessor_from_format): Likewise.
1348 (xmalloc): New function for use when linking with alloca.o.
1350 Mon Jan 5 02:53:01 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
1352 * frame.c (find_fde): Correct FDE's upper bound.
1354 Fri Jan 16 16:23:52 1998 Richard Henderson <rth@cygnus.com>
1356 * gengenrtl.c (DEF_RTL_EXPR): Provide a K&R compliant version.
1358 Fri Jan 16 10:16:10 1998 Jeffrey A Law (law@cygnus.com)
1360 * calls.c (expand_call): Move #ifdef code out of macro argument
1362 (emit_library_call, emit_library_call_value): Likewise.
1364 Fri Jan 16 00:46:40 1998 Jeffrey A Law (law@cygnus.com)
1366 * rtl.def (INLINE_HEADER): Fix bug exposed by gen_rtx_FOO changes.
1368 Thu Jan 15 01:02:30 1998 Jeffrey A Law (law@cygnus.com)
1370 * version.c: Bump for snapshot.
1372 Wed Jan 14 22:49:17 1998 Richard Henderson <rth@cygnus.com>
1374 * alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO;
1375 change gen_rtx(expr...) to gen_rtx_fmt_foo(expr...).
1376 * caller-save.c, calls.c, combine.c, cse.c: Likewise.
1377 * dwarf2out.c, except.c, explow.c, expmed.c, expr.c: Likewise.
1378 * final.c, flow.c, function.c, genpeep.c, haifa-sched.c: Likewise.
1379 * halfpic.c, integrate.c, jump.c, local-alloc.c, loop.c: Likewise.
1380 * profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise.
1381 * reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise.
1382 * unroll.c, varasm.c: Likewise.
1383 * config/alpha/alpha.c, config/alpha/alpha.md: Likewise.
1385 Wed Jan 14 19:36:08 1998 Gavin Koch (gavin@cygnus.com)
1387 * mips.h: Fix some type-o's from a previous change.
1389 Wed Jan 14 01:26:05 1998 Jeffrey A Law (law@cygnus.com)
1391 * loop.c (check_dbra_loop): Make sure initial value is a
1392 CONST_INT before trying to normalize it.
1394 Tue Jan 13 23:27:54 1998 Robert Lipe (robertl@dgii.com)
1396 * sco5.h (ASM_OUTPUT_SECTION_NAME): Refresh from ../svr4.h.
1398 Tue Jan 13 22:47:02 1998 Herman ten Brugge <herman@htbrug.net.HCC.nl>
1400 * cppexp.c: Include gansidecl.h
1402 Tue Jan 13 22:43:35 1998 Ian Lance Taylor <ian@cygnus.com>
1404 * svr4.h (LINK_SPEC): Never specify -h.
1405 * ptx4.h (LINK_SPEC): Likewise.
1406 * rs6000/sysv4.h (LINK_SPEC): Likewise.
1407 * sparc/sol2.h (LINK_SPEC): Likewise.
1409 Tue Jan 13 22:39:40 1998 Richard Henderson (rth@cygnus.com)
1411 * c-typeck.c (comptypes): Exit early on NULL input.
1413 * haifa-sched.c (schedule_insns): Correctly remove inter-block
1414 dependencies after reload.
1416 Tue Jan 13 22:22:31 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
1418 * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__.
1420 Tue Jan 13 22:14:57 1998 Klaus Kaempf <kkaempf@progis.de>
1422 * alpha/vms.h (DIR_SEPARATOR): define
1424 Tue Jan 13 22:13:04 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
1426 * Makefile.in (stamp-proto): Remove.
1427 (protoize.o, unprotoize.o): Straightforward compile.
1428 * unprotoize.c: Define UNPROTOIZE here, not in the Makefile.
1430 Tue Jan 13 21:59:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
1432 * i386/cygwin32.h (STRIP_NAME_ENCODING): Define for Win32 to strip
1433 off the trailing @[NUM] added by ENCODE_SECTION_INFO.
1435 Tue Jan 13 21:55:06 1998 Jeffrey A Law (law@cygnus.com)
1437 * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now.
1438 * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise.
1439 * sparc/netbsd.h, vax/netbsd.h: Likewise.
1441 Tue Jan 13 21:37:07 1998 Shigeya Suzuki <shigeya@foretune.co.jp>
1443 * i386/bsd386.h (DWARF2_UNWIND_INFO): Define as zero for now.
1445 Tue Jan 13 17:50:55 1998 Jim Wilson <wilson@cygnus.com>
1447 * configure.in (target_cpu_default, target_cpu_default2): Use double
1448 quotes around them when testing their value.
1449 * configure: Rebuilt.
1451 Tue Jan 13 09:07:44 1998 John Carr <jfc@mit.edu>
1453 * gengenrtl.c (gencode): Emit new function obstack_alloc_rtx
1455 (gendef): Call obstack_alloc_rtx.
1457 Tue Jan 13 01:16:36 1998 Robert Lipe (robertl@dgii.com)
1459 * configure.in: (i[3456]86-UnixWare7-sysv5): Treat much like SVR4
1462 Thu Dec 18 18:40:17 1997 Mumit Khan <khan@xraylith.wisc.edu>
1464 * i386/mingw32.h (INCOMING_RETURN_ADDR_RTX): Delete. Use the value
1465 of DWARF2_UNWIND_INFO, if any, from i386/cygwin32.h instead.
1466 (STANDARD_INCLUDE_DIR): Change to /usr/local/i386-mingw32/include.
1468 Tue Jan 13 00:44:02 1998 Jim Wilson <wilson@cygnus.com>
1470 * mips.md (return_internal): Change mode from SImode to VOIDmode.
1472 Sat Jan 10 22:11:39 1998 J. Kean Johnston <jkj@sco.com>
1474 * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle
1477 Sat Jan 10 22:04:15 1998 Stan Cox <scox@equinox.cygnus.com>
1479 * i386.md: (movsicc_1, movhicc_1): For alternate 3 set the opcode
1480 suffix from operand 3.
1482 Sat Jan 10 21:50:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1483 Jeffrey A Law (law@cygnus.com)
1485 * regmove.c: New implementation of regmove pass.
1486 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2): Remove
1487 decls, make them have external linkage. Return a value from
1488 optimize_reg_copy_1.
1489 * reload.h (count_occurrences): Add decl.
1490 * reload1.c (count_occurrences): Delete decl, make it have external
1492 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Declare.
1494 Sat Jan 10 20:30:12 1998 Jeffrey A Law (law@cygnus.com)
1496 * regclass.c (record_address_regs): Don't use REG_OK_FOR_BASE_P
1497 if it is not defined.
1499 Thu Jan 8 21:06:54 1998 Richard Henderson <rth@cygnus.com>
1501 * Makefile.in (OBJ, GEN, RTL_H): Add genrtl.[oh] bits.
1502 * emit-rtl.c (gen_rtx): Move special code to ...
1503 (gen_rtx_CONST_INT): New function.
1504 (gen_rtx_REG): New function.
1505 (*): Update all calls to gen_rtx.
1506 * genemit.c (gen_exp): Emit calls to gen_rtx_FOO for constant FOO.
1507 * rtl.h: Include genrtl.h; prototype CONST_INT & REG generators.
1508 (GEN_INT): Call gen_rtx_CONST_INT.
1509 * gengenrtl.c: New file.
1511 Mon Jan 5 13:00:18 1998 John F. Carr <jfc@mit.edu>
1513 * alias.c (*_dependence): Call base_alias_check before canon_rtx.
1514 (base_alias_check): If no base found for address call canon_rtx and
1517 Mon Jan 5 11:39:49 1998 Jeffrey A Law (law@cygnus.com)
1519 * mips.c (mips_expand_prologue): Handle large frame with no outgoing
1520 arguments for mips16.
1521 (mips_expand_epilogue): Pass "orig_tsize" to save_restore_insns.
1522 Don't lose if tsize is zero after handling large stack for mips16.
1523 * mips.md (return): For trivial return, return address is in $31.
1525 Sun Jan 4 20:24:00 1998 Nigel Stephens <nigel@algor.co.uk>
1527 * mips/mips16.S: Various changes to make it work with -msingle-float
1530 Sun Jan 4 14:25:18 1998 Gavin Koch <gavin@cygnus.com>
1531 Ian Lance Taylor <ian@cygnus.com>
1532 Jeff Law <law@cygnus.com>
1534 * mips.c, mips.h, mips.md: First cut at merging in mips16
1535 support. Major modifications throughout all three files.
1537 Sun Jan 4 01:01:50 1998 scott snyder <snyder@d0sgif.fnal.gov>
1539 * configure.in: Make gthr-default.h a forwarding header instead of
1542 Sat Jan 3 12:08:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1544 * gcov-io.h: Include sys/types.h to ensure we get size_t.
1546 * pa.h (ASM_OUTPUT_MI_THUNK): Add missing % in fprintf.
1548 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
1549 Jeffrey A Law (law@cygnus.com)
1551 * crtstuff.c (__frame_dummy): New function for irix6.
1552 (__do_global_ctors): Call __frame_dummy for irix6.
1553 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
1555 Fri Jan 2 04:57:57 1998 Weiwen Liu <liu@hepmail.physics.yale.edu>
1557 * alpha.c (vms_valid_decl_attribute_p): Move within #if OPEN_VMS.
1559 Fri Jan 2 04:34:14 1998 Richard Henderson <rth@cygnus.com>
1561 * c-decl.c (init_decl_processing): Provide proper fallback symbol
1562 for __builtin_memset.
1563 * expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
1564 not INTEGER_CST. Assert arg 3 is a constant.
1566 * alpha.c (mode_width_operand): Accept 64-bit modes.
1567 (mode_mask_operand): Likewise.
1568 (print_operand): Likewise for 'M' and 'U' codes.
1569 (alpha_expand_unaligned_load): New function.
1570 (alpha_expand_unaligned_store): Likewise.
1571 (alpha_expand_unaligned_load_words): Likewise.
1572 (alpha_expand_unaligned_store_words): Likewise.
1573 (alpha_expand_block_move): Likewise.
1574 (alpha_expand_block_clear): Likewise.
1575 * alpha.h (MOVE_RATIO): New define.
1576 * alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
1577 (insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
1579 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
1580 (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.
1582 Thu Jan 1 15:40:15 1998 Richard Henderson <rth@cygnus.com>
1584 * configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
1585 * configure: Update.
1587 Thu Jan 1 10:49:12 1998 Jeffrey A Law (law@cygnus.com)
1589 * emit-rtl.c (operand_subword): Correctly handle extracting a word
1590 from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN.
1592 * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate
1595 Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com>
1597 * configure.in: Set and subsitute host_exeext. Use it when creating
1598 the assembler and linker symlinks.
1599 * configure: Rebuild.
1600 * Makefile.in (exeext): Set to @host_exeext@.
1601 (build_exeext): New variable, set to @build_exeext@.
1602 (FLAGS_TO_PASS): Pass down build_exeext.
1603 (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi*
1606 Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com)
1608 * mn10200.md (addsi3, subsi3): Fix thinkos.
1610 Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com>
1612 * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
1613 save+restore. Fix pic+big_offset delay slot. Use "pic" case for
1614 unix always, since we want to be able to thunk to functions in a
1615 shared library from an application.
1617 Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com>
1619 * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.
1620 (LIB1ASMSRC, LIB1ASMFUNCS): Define.
1622 Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com)
1624 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
1625 offset's mode is not ptr_mode, convert it.
1627 Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com>
1629 * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross
1630 compiling if it was already defined.
1632 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
1634 * flow.c (find_basic_blocks): Don't create a new basic block
1635 for calls in a LIBCALL block.
1637 Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu>
1639 * config/fp-bit.c (L_df_to_sf): Fix typo in last change.
1641 Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com)
1643 * cse.c (rtx_cost): Remove conflicting default case.
1645 Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com>
1647 * configure.in: Move default enabling of Haifa out of for loop.
1648 * configure: Rebuild.
1650 Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com)
1652 * version.c: Bump for snapshot.
1654 1997-12-25 Teemu Torma <tot@trema.com>
1656 * Makefile.in (GTHREAD_FLAGS): New var.
1657 (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
1658 (distclean): Remove gthr-default.h.
1660 * configure.in: Accept dce as a thread package.
1661 Check for thread.h and pthread.h.
1662 Link gthr-default.h to appropriate thread file and set
1664 (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
1665 include multilib definitions from pa/t-dce-thr.
1666 (sparc-*-solaris2*): Enable threads by default, if thread.h or
1667 pthread.h is found, preferring posix threads over solaris ones.
1669 * config/pa/t-dce-thr: New file.
1670 * config/pa/t-pa: Removed multilibs.
1671 * config/sparc/t-sol2: Ditto.
1674 * gthr-single.h: New file.
1675 * gthr-posix.h: New file.
1676 * gthr-solaris.h: New file.
1677 * gthr-dce.h: New file.
1678 * libgcc-thr.h: Removed.
1679 * objc/thr-dce.c: New file copied from thr-decosf1.c.
1681 * frame.c: Include gthr.h instead of libgcc-thr.h.
1682 * libgcc2.c: Include gthr.h instead of libgcc-thr.h.
1683 (eh_context_initialize): If __gthread_once fails, use static eh
1685 (eh_context_free): Call __gthread_key_dtor.
1687 Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com)
1689 * expr.h (MUST_PASS_IN_STACK): Allow target port to override.
1691 Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com>
1693 * cse.c (max_insn_uid): New variable.
1694 (cse_around_loop): Use max_insn_uid.
1695 (cse_main): Set max_insn_uid.
1697 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
1698 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
1699 -mlong64, and -mgp{32,64} options.
1700 * mips.c (mips_abi): Change type to int.
1701 * mips.h (enum mips_abi_type): Delete.
1702 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
1703 (mips_abi): Change type to int.
1705 Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu>
1707 * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
1708 optimization is now always enabled.
1710 * calls.c (expand_call): Recognize C++ operator new as malloc-like
1713 * alias.c (memrefs_conflict_p): Eliminate tests now done by
1715 (*_dependence): Call canon_rtx before base_alias_check.
1716 (init_alias_once): New function to precompute set of registers which
1717 can hold Pmode function arguments.
1719 * rtl.h: Declare init_alias_once.
1721 * toplev.c (compile_file): Call init_alias_once.
1723 Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com)
1725 * tree.c (restore_tree_status): Do not dereference a null pointer.
1727 Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com>:
1729 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to
1730 RLIMIT_STACK. This maintains consistency with the recent, similar
1731 patch to cccp.c and toplev.c.
1733 Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com>
1735 * genattrtab.c (expand_units): For large nr opclasses, expand
1736 function_units_used with ORX to prevent blowups. Tag with FFS.
1737 (num_unit_opclasses): New variable.
1738 (gen_unit): Update it.
1739 (enum operator): Add ORX_OP.
1740 (operate_exp): Treat ORX as or, except don't expand across an if.
1741 Reuse number rtx's after operating on them.
1742 (check_attr_value): Accept IOR, AND, & FFS.
1743 (write_test_expr): Transmute `in_comparison' to `flags'. Allow
1744 for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE.
1745 (write_expr_attr_cache, write_toplevel_expr): New functions.
1746 (write_attr_get): Handle FFS-tagged expressions.
1747 (make_canonical): Don't expand const attributes.
1748 (convert_const_symbol_ref): Dike out.
1749 (evaluate_eq_attr): Handle SYMBOL_REF.
1750 (main): Don't emit get_attr_foo for const attributes.
1752 * alpha.c (override_options): Reinstate PROCESSOR_EV6.
1753 (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests.
1754 * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly.
1755 * alpha.md: Redo all of the scheduling, adding EV6 support, and
1756 combining function units where possible.
1757 (attr "type"): Split loads, stores, cmov into int/fp. Combine
1758 multiplies and divides. Add EV6 sqrt, ftoi, itof.
1759 (attr "opsize"): New attribute.
1760 (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns.
1761 (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX
1762 to control register allocation.
1763 (movsi2-1, movdi2-1): Likewise.
1765 Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com>
1767 * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
1768 MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
1769 Move OSF/1 specific defines out.
1770 * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
1771 Move Linux specific defines out.
1772 (LINK_SPEC): Genericize.
1773 (ASM_FILE_START): Emit .arch if using more than the base insn set.
1774 (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
1775 (SDB_DEBUGGING_INFO): Remove; gas can't handle it.
1776 (HANDLE_SYSV_PRAGMA): Define.
1777 * alpha/osf.h: New file.
1778 * alpha/linux.h: Split. Retain file-format independant defines.
1779 Import Linux bits from elf.h.
1780 (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
1781 (FUNCTION_PROFILER): _mcount takes its address in $28.
1782 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
1783 * alpha/linux-ecoff.h: New file.
1784 * alpha/linux-elf.h: New file.
1785 * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
1786 * alpha/win-nt.h (TARGET_DEFAULT): Define.
1787 * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
1788 Add new headers as appropriate.
1790 * configure.in (alpha*): Enable Haifa by default.
1791 (*-*-winnt3*): Change to winnt*, since we're not v3 specific.
1792 * configure: Rebuild.
1794 Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com>
1796 * Makefile.in (clean): Remove the stages with their objects here ...
1797 (distclean): ... instead of here.
1799 Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1801 * cse.c (rtx_cost): Add default case in enumeration switch.
1802 * fix-header.c (recognized_macro): Likewise.
1803 (recognized_extern): Likewise.
1804 (write_rbrac): Likewise.
1805 * objc/objc-act.c (encode_aggregate): Likewise.
1806 (gen_declarator): Likewise.
1807 (gen_declspecs): Likewise.
1809 Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com)
1811 * haifa-sched.c (create_reg_dead_note): Detect and handle another
1812 case where we kill more regs after sched than were killed before
1814 * sched.c (create_reg_dead_note): Similarly.
1816 Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com)
1818 * c-pragma.c: Include flags.h.
1820 Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu>
1822 * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything
1823 about system headers.
1824 (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32
1825 and also to resolve symbols in prefix.c.
1827 * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict
1828 between gansidecl.h and newlib's _ansi.h when building libgcc2.a,
1829 when the definitions in auto-config.h is not visible.
1830 (HAVE_BZERO): Likewise.
1831 (HAVE_BCMP): Likewise.
1832 (HAVE_RINDEX): Likewise.
1833 (HAVE_INDEX): Likewise.
1835 Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com)
1837 * pa.c (emit_move_sequence): Handle a function label source
1840 Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com
1842 * c-pragma.c (handle_pragma_token): Generate warning messages
1843 about unknown pragmas if warn_unknown_pragmas is set.
1845 * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
1846 line option to set variable: warn_unknown_pragmas.
1848 Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de>
1850 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the
1852 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'.
1854 Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com)
1856 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define.
1857 (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to
1858 generate more fine grained floating point emulation libraries.
1859 * config/fp-bit.c: Add protecting #ifdef to all functions so
1860 that they can be compiled separately. If !FINE_GRAINED_LIBRARIES,
1861 then compile all suitable functions.
1862 (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two
1863 underscores to avoid namespace pollution.
1864 * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c
1866 * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
1870 Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1871 Jeff Law <law@cygnus.com>
1873 * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
1875 * c-decl.c (finish_decl): Use parentheses around && within ||.
1876 * rtl.c: Include stdlib.h.
1877 (read_skip_spaces): Add parentheses around assignments used as
1879 (read_rtx): Initialize list_rtx.
1880 * cppexp.c (parse_number): Use || when operands are truth values.
1881 * alias.c (find_base_value): Add default case.
1882 (memrefs_conflict): Likewise.
1883 * combine.c (sets_function_arg_p): Likewise.
1884 * genemit.c (gen_exp): Likewise.
1885 * local-alloc.c (contains_replace_regs): Likewise.
1886 * rtlanal.c (jmp_uses_reg_or_mem): Likewise.
1887 * fold-const.c (fold_convert): Use "&&" for truth values.
1888 (fold): Add default case.
1889 * sdbout.c (sdbout_field_types): Fix typo in declaration.
1890 (sdbout_one_type): Add default case.
1891 * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
1892 (some_operand): Add default case.
1893 (input_operand): Likewise.
1894 (signed_comparison_operator): Likewise.
1895 (divmod_operator): Likewise.
1896 (alpha_set_memflags_1): Likewise.
1897 * reload1.c (reload_cse_simplify_operands): Ensure function
1898 always returns a value.
1899 * scan-decls.c (scan_decls): Likewise.
1900 * c-lex.c (skip_white_space): Fix typo in declaraion.
1901 * c-typeck.c (comp_target_types): Add parentheses around assignment
1902 used as truth value.
1903 (print_spelling): Likewise.
1904 (constructor_implicit, constructor_result): Remove unused variables.
1905 * collect2.c (scan_library): Protect prototype with
1906 #ifdef SCAN_LIBRARIES.
1907 * emit-rtl.c (find_line_note): Fix typo in declaration.
1908 * final.c (asm_insn_count): Protect prototype with
1909 #ifdef HAVE_ATTR_length.
1910 * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
1911 (try_pre_increment_1, try_pre_increment): Likewise.
1912 * regclass.c (auto_inc_dec_reg_p): Protect prototype with
1913 #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit.
1914 * gcov-io.h (__store_long, __write_long, __read_long): Fix
1915 unsigned/signed comparisons.
1916 * gcov.c (read_files): Remove unused "first_type" variable.
1917 (scan _for_source_files): Initialize s_ptr.
1918 (function_summary): Eliminate "%lf" formatting, use %ld for
1920 (output_data): Initialize branch_probs and last_line_num.
1921 Eliminate "%lf" formatting, use "%ld" for longs.
1923 Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com>
1925 * mips16.S: New file.
1927 * libgcc2.c (varargs): Handle mips16.
1929 * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
1931 * stmt.c (expand_end_case): Likewise.
1932 * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
1933 * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
1934 * rs6000.h, sh.h, tahoe.h, v850.h vax.h z8k.h: Likewise.
1936 Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1938 * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in
1939 the build directory.
1940 (libobjc.a): Update dependency list.
1941 (libobjc.dll): Likewise. Use libobjc_entry.o from the build
1943 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h.
1944 (objc.mostlyclean): Remove runtime-info.h.
1946 Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com>
1948 * tree.c (build_range_type): Allow creation of ranges with no maximum.
1949 * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE.
1950 * dwarf2out.c (add_subscript_info): Likewise.
1951 * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise.
1952 * sdbout.c (plain_type_1): Likewise.
1953 * stmt.c (pushcase_range, all_cases_count, node_has_high_bound):
1955 * fold-const.c (int_const_binop, fold_convert, make_range, fold):
1958 Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1960 * mips.c (fatal): Remove declaration.
1962 1997-12-18 Mark Mitchell <mmitchell@usa.net>
1964 * integrate.c (get_label_from_map): New function.
1965 (expand_inline_function): Use it. Initialize the label_map to
1966 NULL_RTX instead of gen_label_rtx.
1967 (copy_rtx_and_substitute): Use get_label_from_map.
1968 * integrate.h (get_label_from_map): New function.
1969 (set_label_from_map): New macro.
1970 * unroll.c (unroll_loop): Use them.
1971 (copy_loop_body): Ditto.
1973 Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com>
1975 * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined.
1976 (INIT_TARGET_OPTABS): Define.
1977 * mips/ecoff.h: Include gofast.h before mips.h.
1978 (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS.
1979 * mips/elf64.h: Likewise.
1980 * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define.
1982 Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com>
1984 * except.c: Remove register_exception_table{,_p}.
1986 Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com>
1988 * unroll.c (calculate_giv_inc): Handle constant increment found in
1989 a MEM with an appropriate REG_EQUAL note.
1991 * calls.c (expand_call): Implement LOAD_ARGS_REVERSED.
1993 * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the
1994 frame pointer in the prologue.
1996 Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com>
1998 * i386/x-sco5 (CLIB) Deleted. (ALLOCA) Added.
1999 * i386/xm-sco5.h (USE_C_ALLOCA) Added.
2001 Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com>
2003 * config/m68k/m68k.c (output_function_prologue): Typecast
2004 dwarf2out_cfi_label to (char *).
2005 * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "".
2007 Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com>
2009 * sparc.md (jump): Don't use the annul bit around an empty loop.
2010 Patch from Kevin.Kelly@East.Sun.COM.
2012 Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com)
2014 * jump.c: (jump_optimize): Don't use the return register as a
2015 source1 of a conditional move.
2017 Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com>
2019 * sparc.c (DF_MODES): Or the mask not the bit number.
2020 (function_arg) [ARCH64]: Send unprototyped arg to fp reg first.
2022 Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
2024 * combine.c (force_to_mode): return immediately if operand is a CLOBBER.
2026 Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de>
2028 * fixincludes (size_t): Add support for Motorola's stdlib.h
2029 which fails to provide a definition for size_t.
2030 (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3.
2031 (strlen,strspn,strcspn return value): Handle different layout on sysV88.
2032 (hypot): Provide a fake for hypot for m88k-motorola-sysv3.
2034 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
2035 prevent unresolved externals in libio.
2036 * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise.
2038 Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org)
2040 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
2041 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
2042 (LIB_SPEC): Updated for glibc 2.
2044 Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com)
2046 * ginclude/stdarg.h: Undo BeOS changes, they break hpux.
2047 * ginclude/varargs.h: Likewise.
2049 Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com)
2051 * version.c: Bump for snapshot.
2053 Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org)
2055 * frame.h (__register_frame, __register_frame_table,
2056 __deregister_frame): New.
2057 * frame.c (__register_frame, __register_frame_table,
2058 __deregister_frame): New.
2059 * frame.c (__deregister_frame_info): Return void *.
2060 * frame.h (__deregister_frame_info): Ditto.
2061 * collect2.c (__deregister_frame_info): Ditto.
2063 Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com>
2065 * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG.
2067 Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com>
2069 * alpha.c (alpha_cpu_name): New variable.
2070 (alpha_mlat_string): Likewise.
2071 (alpha_memory_latency): Likewise.
2072 (override_options): Handle -mmemory-latency.
2073 (alpha_adjust_cost): Adjust load cost for latency.
2074 * alpha.h (TARGET_OPTIONS): Add meory-latency.
2075 (REGISTER_MOVE_COST): Define in terms of memory_latency. Take
2076 TARGET_CIX into account.
2077 (MEMORY_MOVE_COST): Define in terms of memory_latency.
2078 * invoke.texi (DEC Alpha Options): Document -mmemory-latency.
2080 * alpha.h (ASM_COMMENT_START): New macro.
2082 Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com>
2084 * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c,
2085 dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change.
2087 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
2088 SUBREG_REG if the word count is unchanged.
2089 * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve
2090 subregs of identical word size for push_reload.
2092 Mon Dec 15 Mark Mitchell <mmitchell@usa.net> 11:41:32 1997
2094 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
2095 if all we're doing is dealing with -Wreturn-type.
2097 Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com>
2099 * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2):
2100 Use and 255 instead of zapnot 1, since it schedules better.
2102 Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com)
2104 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
2107 Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com)
2109 * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on
2110 dependency we delete. Properly update prev for multiple consecutive
2112 (priority): Skip deleted dependence.
2114 Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com>
2116 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod.
2118 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
2120 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
2121 determining when a new basic block starts.
2123 * alpha/osf2or3.h (LIB_SPEC): Restore missing defn.
2125 * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS.
2126 * pa.md (iorsi3): Add missing args to *_operand calls.
2128 * except.c (call_get_eh_context): Don't mess with sequences.
2129 (emit_eh_context): Include the call in the sequence here.
2131 1997-12-11 Paul Eggert <eggert@twinsun.com>
2133 * collect2.c (write_c_file_glob): Allocate initial frame object
2134 in static storage and pass its address.
2136 Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com>
2138 * except.c (call_get_eh_context): Don't take a parm.
2139 Put the call at the top of the function.
2140 (emit_eh_context): Adjust.
2141 (get_eh_context): Replace with former use_eh_context.
2142 (get_eh_context_once, get_saved_pc_ref): Remove.
2143 (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove.
2145 * integrate.c (expand_inline_function): Adjust.
2146 * toplev.c (rest_of_compilation): Don't call emit_unwinder.
2148 Fri Oct 10 17:58:31 CEST 1997 Marc Lehmann <pcg@goof.com>
2150 * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define.
2151 (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise.
2153 Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de>
2155 * fixincludes (strlen,strspn,strcspn return value): Handle different
2157 (hypot): Provide a fake for hypot which is broken on
2158 m88k-motorola-sysv3.
2160 Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu>
2162 * tree.c, tree.h: Change tree_code_type, tree_code_length, and
2163 tree_code_name from pointers to arrays.
2164 * tree.c: Remove standard_tree_code_* variables, no longer used.
2165 * print-tree.c: Remove declaration of tree_code_name.
2167 * cp/lex.c (init_lex): Update for tree_code_* changes.
2168 * objc/objc-act.c (init_objc): Likewise.
2170 * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code
2173 Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com>
2175 * config.sub: Add support for BeOS target.
2176 * configure.in: Likewise.
2177 * ginclude/stdarg.h: Likewise.
2178 * ginclude/stddef.h: Likewise.
2179 * ginclude/varargs.h: Likewise.
2180 * rs6000/beos.h: New file for BeOS.
2181 * rs6000/t-beos: Likewise.
2182 * rs6000/x-beos: Likewise.
2183 * rs6000/xm-beos.h: Likewise.
2184 * toplev.c (get_run_time): Just return 0 on BeOS.
2186 Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com)
2187 Toon Moene (toon@moene.indiv.nluug.nl)
2189 * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly
2190 old and broken Sun3 assemblers. Newer versions handle large
2191 offsets correctly as does the GNU assembler.
2193 Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2195 * objc/objc-act.c (lang_report_error_function): Disable.
2196 * objc/objc-parse.y: Include "output.h".
2197 (yyerror): Remove redundant decl.
2198 (yyprint): Fix prototype.
2199 (apply_args_register_offset): Remove redundant decl.
2200 (get_file_function_name): Likewise.
2202 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
2204 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
2206 (find_basic_blocks_1): Likewise.
2208 Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com>
2210 * except.c (use_eh_context): Don't copy_rtx a REG.
2211 (emit_throw): Lose old unwinder support.
2212 (expand_internal_throw): Likewise.
2213 * libgcc2.c (struct eh_context): Likewise.
2214 (new_eh_context): Likewise.
2215 (__get_eh_info): Lose redundant cast.
2216 (__get_dynamic_handler_chain): Likewise.
2217 (__get_saved_pc): Lose.
2218 Lose all old unwinder support code.
2220 Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com>
2222 Thread-safe EH support for pthreads, DCE threads and Solaris threads.
2224 * integrate.c (expand_inline_function): If the inline fn uses eh
2225 context, make sure that the current fn has one.
2226 * toplev.c (rest_of_compilation): Call emit_eh_context.
2227 * except.c (use_eh_context): New fn.
2228 (get_eh_context_once): New fn.
2229 (call_get_eh_context): New fn.
2230 (emit_eh_context): New fn.
2231 (get_eh_context): Call either get_eh_context_once or
2232 call_get_eh_context, depending on what we have.
2233 (get_dynamic_handler_chain): Call get_eh_context_once.
2234 * except.h: Prototypes for fns above.
2235 * optabs.c (get_eh_context_libfunc): Removed.
2236 (init_optabs): Don't initialize it.
2237 * expr.h (get_eh_context_libfunc): Removed.
2238 * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
2239 * config/pa/pa.h (CPP_SPEC): Support for -threads.
2240 * config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
2241 * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
2242 New multilib for -threads.
2243 * config/sparc/t-sol2: Added multilibs for -threads and
2244 made -pthreads alias to it.
2245 * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
2246 Added -threads and -pthreads options.
2247 * libgcc-thr.h: New file.
2248 * libgcc2.c: (__get_cpp_eh_context): Removed.
2249 (struct cpp_eh_context): Removed.
2250 (struct eh_context): Replaced cpp_eh_context with generic language
2252 (__get_eh_info): New function.
2253 (__throw): Check eh_context::info.
2255 * libgcc2.c: Include libgcc-thr.h.
2256 (new_eh_context, __get_eh_context,
2257 eh_pthread_initialize, eh_context_initialize, eh_context_static,
2258 eh_context_specific, eh_context_free): New functions.
2259 (get_eh_context, eh_context_key): New variables.
2260 (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
2261 get_eh_context to get the context.
2262 (longjmp): Move the declaration inside
2263 #ifdef DONT_USE_BUILTIN_SETJMP.
2264 * frame.c: Include libgcc-thr.h.
2265 (object_mutex): Mutex to protect the object list.
2266 (find_fde, __register_frame, __register_frame_table,
2267 __deregister_frame): Hold the lock while accessing objects.
2268 * except.h (get_eh_context): Declare.
2269 * except.c (current_function_ehc): Define.
2270 (current_function_dhc, current_function_dcc): Removed.
2271 (get_eh_context): New function.
2272 (get_dynamic_handler_chain): Use get_eh_context.
2273 (get_saved_pc_ref): Ditto.
2274 (get_dynamic_cleanup_chain): Removed references to
2275 current_function_dcc.
2276 (save_eh_status, restore_eh_status): Save and restore
2277 current_function_ehc instead.
2278 * optabs.c (get_eh_context_libfunc): New variable.
2279 (init_optabs): Initialize it.
2280 * expr.h: Declare get_eh_context_libfunc.
2281 * function.h (struct function): Replaced dhc and dcc with ehc.
2282 * except.c (get_saved_pc_ref): New functions.
2283 (eh_saved_pc_rtx, eh_saved_pc): Deleted.
2284 (expand_internal_throw_indirect): Use get_saved_pc_ref() instead
2286 (end_eh_unwinder): Likewise.
2287 (init_eh): Remove initialization of eh_saved_pc.
2288 * optabs.c (get_saved_pc_libfunc): New variable.
2289 (init_optabs): Initialize it.
2290 * expr.h: Declare get_saved_pc_libfunc.
2291 * except.h (eh_saved_pc_rtx): Deleted.
2292 (get_saved_pc_ref): Declared.
2294 From Scott Snyder <snyder@d0sgif.fnal.gov>:
2295 * libgcc2.c (__get_saved_pc): New.
2296 (__eh_type, __eh_pc): Deleted.
2297 (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
2298 (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
2301 Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu>
2303 * sparc/sol2.h: Use 64 bit multiply and divide functions in
2304 Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE
2307 * rtl.h (global_rtl): New variable, replacing separate variables for
2309 (const_int_rtx): Now array of rtx_def, not rtx.
2310 * emit-rtl.c: Update for new rtl data structures.
2311 * genattrtab.c: Define global_rtl.
2313 Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu>
2315 * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by
2318 Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com>
2320 * crtstuff.c (__do_global_ctors): Fix typo.
2322 Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de>
2324 * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
2325 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
2327 Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu>
2329 * rs6000.h (FUNCTION_ARG_PADDING): Define.
2330 * rs6000.c (function_arg_padding): New function.
2332 Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de>
2334 * m68k.c: Include tree.h only once.
2336 Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2338 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
2340 Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com)
2342 * Partially cleaned up prototyping code from HJ.
2343 * tree.h: Add many prototypes.
2344 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
2345 All references changed.
2346 * rtl.h: Protect from multiple inclusions. Add many prototypes.
2348 Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com>
2350 * libgcc2.c (string.h): Hoist inclusion to occur before first use of
2351 string functions like strlen.
2353 Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de>
2355 * configure.in: Check for functions getrlimit and setrlimit.
2356 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
2357 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
2359 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
2361 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
2363 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
2365 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
2368 * alpha.c (override_options): Don't know about scheduling for EV6.
2369 * alpha.md (ev5 function units): Don't overload as ev6.
2371 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
2372 * alpha.md (define_attr type): Add mvi.
2373 (ev5_e0): Define sceduling parameters for it.
2374 (TARGET_MAX insns): Type is mvi not shift.
2376 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
2378 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
2380 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2382 * cstamp-h, auto-config.h: Delete.
2384 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
2386 * version.c: Bump for snapshot.
2388 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
2390 * cccp.c: Fix typo brought over in merge.
2392 * Merge in changes from gcc-2.8.
2394 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
2396 * m68k.c: Include tree.h for dwarf2out_cfi_label.
2398 * gcc.c (process_command): Do not take address of function fatal when
2399 calling lang_specific_driver.
2401 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
2403 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
2404 doesn't work with it yet, so set it to 0.
2405 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
2407 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
2409 * cse.c (cse_insn): Check for invalid entries when taking references.
2411 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2413 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
2414 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
2415 * toplev.c (rest_of_compilation): Pass it. Remove code to
2416 save / clear / restore flag_unroll_{,all_}loops.
2418 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
2420 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
2422 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
2424 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
2426 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
2428 * except.c (get_dynamic_handler_chain): Only make the call once per
2431 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
2433 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2435 * sh.c (final_prescan_insn): Use local label prefix
2436 when emitting .uses pseudo-ops.
2438 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
2440 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
2441 * except.c: Lose outer_context_label_stack.
2442 (expand_eh_region_end): Rethrow from outer_context here.
2443 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
2444 (expand_internal_throw): Take no args.
2445 (expand_internal_throw_indirect): Lose.
2446 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
2447 (expand_start_all_catch): Start a rethrow region.
2448 (expand_end_all_catch): End it.
2449 (expand_rethrow): New fn.
2450 * except.h: Reflect above changes.
2451 * flow.c: Revert change of Nov 27.
2453 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
2455 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
2457 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
2459 * except.c (expand_fixup_region_end): New fn.
2460 (expand_fixup_region_start): Likewise.
2461 (expand_eh_region_start_tree): Store cleanup into finalization here.
2462 * stmt.c (expand_cleanups): Use them to protect fixups.
2464 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
2466 * mips/mips.md (muldi3_r4000): Broaden the output template
2467 and attribute assignments to handle three operand dmult;
2468 rename to muldi3_internal2.
2469 (muldi3): Call the new muldi3_internal2 for R4000, and
2470 any GENERATE_MULT3 chip.
2472 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
2474 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
2476 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
2478 * unroll.c (find_splittable_givs): Remove last change. Handle givs
2479 with a dest_reg that was created by loop.
2481 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
2483 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
2485 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
2487 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
2489 * configure.in: Fix NCR entries.
2491 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
2493 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
2494 nested exceptions correctly.
2496 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
2497 that was created by loop.
2499 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
2501 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
2503 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
2505 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
2507 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
2508 (print_operand): Use SMALL_DATA_REG for the register involved in
2509 small data relocations.
2510 (print_operand_address): Ditto.
2512 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
2513 -dynamic linker is not used.
2515 * rs6000.md (call insns): For local calls, use @local suffix under
2516 System V. Don't use @plt under Solaris.
2518 * rs6000.c (output_function_profiler): Put label address in r0, and
2519 store LR in 4(sp) for System V/eabi.
2521 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
2522 byte boundary, and maintain stack backchain.
2524 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
2526 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
2527 fix_truncsfdi2): Change *.
2529 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
2531 * toplev.c (main): Complain about -gdwarfn.
2533 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
2535 * dwarfout.c (output_type): If finalizing, write out nested types
2536 of types we've already written.
2538 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
2540 (patches originally from Geoffrey Keating)
2541 * rs6000.c (function_arg): Excess floating point arguments don't
2542 go into GPR registers after exhausting FP registers under the
2544 (function_arg_partial_nregs): Ditto.
2546 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
2549 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
2551 * integrate.c (output_inline_function): Just unset DECL_INLINE.
2553 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
2555 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
2558 * libgcc2.c (__throw): Initialize HANDLER.
2560 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
2562 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
2563 fix_truncsfdi2): Change *X to ?*X.
2565 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
2567 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
2569 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
2571 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
2573 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
2575 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
2577 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
2579 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
2580 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
2583 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
2585 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
2586 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
2587 gas and not using the new HP assembler.
2589 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
2591 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
2592 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
2594 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
2596 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
2597 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
2600 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
2602 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
2604 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
2606 * except.h: Add outer_context_label_stack.
2607 * except.c: Likewise.
2608 (expand_start_all_catch): Push the outer_context for the try block
2609 onto outer_context_label_stack.
2610 (expand_end_all_catch): Use it and pop it.
2612 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
2614 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
2616 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
2618 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
2620 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
2622 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
2623 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
2625 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
2627 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
2628 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
2629 __builtin_delete, and __builtin_vec_delete.
2631 * except.c (output_exception_table): Don't bother with
2634 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
2636 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
2637 is an in/out operand.
2638 (zero extended variants of stwm/stwm patterns): Similarly.
2640 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
2642 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
2644 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
2646 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
2647 (output_call_frame_info): Emit a \n after using it.
2649 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
2651 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
2653 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
2655 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
2656 (ASM_OUTPUT_DWARF_VALUE4): New macro.
2657 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
2659 (output_call_frame_info): Do not output forward label differences
2660 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
2661 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
2663 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2665 * sh.md (attribute "type"): Add nil.
2666 (movsi_ie): y/y alternative is type nil.
2667 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
2669 (movsf_ie+1): Delete.
2671 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
2673 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
2674 large_int, emit two insns instead of one splitable insn.
2675 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
2676 from cfa_temp_value, use cfa_offset. Add assert checking that
2679 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
2681 * cccp.c (deps_output): Properly quote file names for make.
2683 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
2685 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
2687 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
2689 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
2691 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
2693 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
2695 (cse_end_of_basic_block): Similarly.
2697 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
2699 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
2700 (SELECT_RTX_SECTION): Define.
2701 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
2703 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
2705 * Makefile.in (compare, compare-lean): Define $stage for each
2707 (gnucompare, gnucompare-lean): Likewise.
2709 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
2711 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
2713 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
2714 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
2716 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
2718 * dwarfout.c (byte_size_attribute): Add local var upper_bound
2719 and add case to handle STRING_TYPE.
2720 * dwarfout.c (output_string_type_die): Fix code to generate
2721 correct string length attribute for fixed length strings.
2722 Still needs support for varying length strings.
2724 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
2726 * toplev.c (get_run_time): Do something sensible for cygwin32.
2728 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
2730 * expr.c (expand_builtin_setjmp): Set
2731 current_function_has_nonlocal_label.
2732 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
2733 call-saved registers across calls.
2735 * alpha.md (exception_receiver): Remove.
2736 (nonlocal_goto_receiver_osf): New
2737 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
2738 (nonlocal_goto_receiver): New, select _osf or _vms.
2740 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
2741 keep them from being propogated to the object file.
2742 (alpha_write_linkage): Likewise.
2743 * alpha.md (call_vms): Likewise.
2744 (call_value_vms): Likewise.
2745 (unnamed osf call insns): Likewise.
2747 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
2748 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
2750 * alpha.c (call_operand): Any reg is valid for WinNT.
2751 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
2752 (anon nt calls): Add 'R' alternative.
2753 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
2754 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
2756 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
2758 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
2760 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
2761 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
2762 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
2764 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
2766 * reload1.c (new_spill_reg): Improve fixed or forbidden register
2767 spill error message.
2769 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2771 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
2772 use varargs.h. Wrap header with <>, not "".
2774 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
2776 * integrate.c (save_for_inline_copying): Add return value from
2779 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
2781 * fixincludes: Be a little more restrictive on what we will
2782 substitute to replace definitions of MAXINT for HPUX.
2784 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
2786 * dbxout.c (dbxout_symbol_location): Don't assume that variables
2787 whose address is the stack or argument pointers are indirect
2790 1997-11-13 Paul Eggert <eggert@twinsun.com>
2792 * cccp.c, cpplib.c (compare_defs):
2793 Don't complain about arg name respellings unless pedantic.
2794 * cpplib.c (compare_defs): Accept pfile as new arg.
2795 All callers changed.
2797 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2799 * fold-const.c (fold_truthop): Fix bug in last change.
2801 1997-11-13 Paul Eggert <eggert@twinsun.com>
2803 Fix some confusion with IEEE minus zero.
2805 * real.h (REAL_VALUES_IDENTICAL): New macro.
2807 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
2808 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
2810 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
2811 same tree structure as 0.0.
2813 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
2814 macro instead of doing it by hand.
2816 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
2818 * v850/lib1funcs.asm: Minor whitespace changes.
2819 * v850.c: Fix minor formatting problems in many places.
2820 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
2822 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
2824 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
2825 xplus1 when xplus0 is not a register.
2827 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
2829 * flow.c (find_basic_blocks): During marking phase, if we encounter
2830 an insn with a REG_LABEL note, make the target block live and
2831 create an edge from the insn to the target block. Do not make
2832 edges from all blocks to the target block.
2834 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
2836 * confiugre.in: Tweak NCR entries.
2837 * configure: Rebuilt.
2839 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
2841 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
2842 pick apart floating point values, instead of using CONST_DOUBLE_LOW
2843 and CONST_DOUBLE_HIGH.
2845 * rs6000.md (define_splits for DF constants): Use the appropriate
2846 REAL_VALUE_* interface to pick apart DF floating point constants in
2847 a machine independent fashion.
2849 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2851 * fold-const.c (fold_truthop): When changing a one-bit comparison
2852 against zero into a comparison against mask, do a proper sign
2855 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
2857 * except.c: Do not include "assert.h".
2858 (save_eh_status): Turn asserts into conditional aborts.
2859 (restore_eh_status, scan_region): Likewise.
2860 * dwarfout.c: Do not include "assert.h".
2861 (bit_offset_attribute): Turn asserts into conditional aborts.
2862 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
2863 (output_inlined_structure_type_die): Likewise.
2864 (output_inlined_union_type_die): Likewise
2865 (output_tagged_type_instantiation): Likewise.
2866 (dwarfout_file_scope_decl): Likewise.
2867 * dwarf2out.c: Do not include "assert.h"
2868 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
2869 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
2870 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
2871 (add_bit_size_attribute, scope_die_for): Likewise.
2872 (output_pending_types_for_scope): Likewise.
2873 (get_inlined_enumeration_type_die): Likewise.
2874 (get_inlined_structure_type_die): Likewise.
2875 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
2876 (gen_tagged_type_instantiation_die): Likewise.
2878 * flow.c (find_basic_blocks): Refine further to get a more correct
2879 cfg, especially in the presense of exception handling, computed
2880 gotos, and other non-trivial cases. Call abort if an inaccuracy
2881 is detected in the cfg.
2883 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2885 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
2887 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
2888 (skip_white_space): Use whitespace_cr.
2889 (check_newline): Handle whitespace more consistently.
2891 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
2893 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
2894 * i386/xm-cygwin32.h (POSIX): Define.
2896 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
2898 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
2899 is available elsewhere.
2901 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
2903 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
2904 what the instruction can handle.
2906 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
2908 * stmt.c (expand_decl_cleanup_no_eh): New fn.
2910 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
2912 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
2914 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
2915 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
2917 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
2919 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
2920 swap instruction order.
2922 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
2924 * fixinc.svr4 (__STDC__): Add another case.
2926 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2928 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
2929 addresses in the epilogue delay slot.
2931 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
2933 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
2934 in generated `specs' file.
2936 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
2938 * flags.h (flag_rerun_loop_opt): Declare.
2939 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
2940 * toplev.c (flag_rerum_loop_opt): Delete static.
2942 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2944 Bring over from FSF:
2946 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2948 * va-sh.h (__va_arg_sh1): Define.
2950 SH3E doesn't use any integer registers for subsequent arguments
2951 once a non-float value was passed in the stack.
2952 * sh.c (machine_dependent_reorg): If optimizing, put explicit
2953 alignment in front label for ADDR_DIFF_VEC.
2954 * sh.h (PASS_IN_REG_P): Fix SH3E case.
2955 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
2957 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2959 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
2962 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2964 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
2965 put an use_sfunc_addr before each sfunc.
2966 * sh.md (use_sfunc_addr, dummy_jump): New insns.
2967 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
2969 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2971 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
2973 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
2975 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
2978 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
2980 * alias.c (find_base_value): Only return the known base value for
2983 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
2985 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
2986 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
2988 (prologue_get_pc_and_set_got): New pattern.
2990 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
2992 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
2993 for SUBREG, just fall through.
2995 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
2997 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
2999 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
3001 * fixincludes: Fix "hypot" prototype in NeXT math.h.
3003 * Makefile.in (USE_ALLOCA): Always include alloca.o.
3004 (USE_HOST_ALLOCA): Likewise.
3006 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
3007 and LABEL_REFS fields.
3008 * rtl.h (LABEL_REFS): Update.
3010 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
3012 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
3013 sets i2dest. When calling distribute_notes for i3dest_killed, pass
3014 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
3017 * mips.md (insv, extzv, extv): Add change_address call.
3018 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
3020 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
3022 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
3024 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
3025 save_restore_insns if no FP and GP will be restored.
3027 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
3028 Convert CCmode to word_mode before calling GET_MODE_SIZE.
3030 * acconfig.h (HAVE_INTTYPES_H): Undef.
3031 * configure.in (inttypes.h): Check for conflicts between sys/types.h
3032 and inttypes.h, and verify that intmax_t is defined.
3033 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
3034 * config/mips/x-iris3: Likewise.
3036 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
3038 * alias.c (find_base_value): When copying arguments, return the
3039 tenative value for a hard register.
3041 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
3043 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
3044 (yylex): Record wide strings using target endianness, not host.
3046 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
3048 * mn10200.h (ASM_OUTPUT_BSS): Delete.
3049 (ASM_OUTPUT_ALIGNED_BSS): New macro
3050 * mn10300.h (ASM_OUTPUT_BSS): Delete.
3051 (ASM_OUTPUT_ALIGNED_BSS): New macro.
3052 * v850.h (ASM_OUTPUT_BSS): Delete.
3053 (ASM_OUTPUT_ALIGNED_BSS): New macro.
3055 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3057 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
3059 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
3061 * configure.in (sco5): Use cpio to install header files.
3063 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
3065 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
3067 * configure: Rebuild.
3069 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
3071 * i386/sco5.h: enable -gstabs once again.
3073 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
3075 * arm.c (output_move_double): Allocate 3 entries in otherops array.
3077 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
3079 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
3080 notes for sjlj exceptions too.
3081 (expand_eh_region_end): Similarly for EH_REGION_END notes.
3082 (exception_optimize): Optimize EH regions for sjlj exceptions too.
3083 * final.c (final_scan_insn): Don't output labels for EH REGION
3084 notes if doing sjlj exceptions.
3086 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
3088 * alias.c (init_alias_analysis): Handle -fno-alias-check when
3089 optimizing correctly.
3091 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
3092 or set current_function_calls_setjmp anymore.
3094 * flow.c (find_basic_blocks): If we delete the label for an
3095 exception handler, remove it from the EH label list and remove
3096 the EH_BEGIN/EH_END notes for that EH region.
3098 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
3100 * flow.c (find_basic_blocks): Generate correct flow control
3101 information when exception handling notes are present.
3103 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
3105 * dwarf2out.c (output_call_frame_info): Fix length argument
3106 to ASM_OUTPUT_ASCII.
3107 (output_die, output_pubnames, output_line_info): Likewise.
3109 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
3111 * version.c: Bump for snapshot.
3113 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
3114 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
3115 flag_debug_asm is on.
3116 (output_die, output_pubnames, output_line_info): Likewise.
3118 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
3119 and static_chain_rtx into the potential base values array if
3122 * alias.c (new_reg_base_value): New array of potential base values.
3123 (unique_id): Now file scoped static.
3124 (find_base_value, case REG): Return the value in reg_base_value
3125 array for the REG if it exists. Else, return the value from
3126 new_reg_base_value if copying args and REG is a hard register.
3127 (find_base_value, case PLUS): If either operand of the PLUS is
3128 a REG, try to get its base value. Handle base + index and
3130 (record_set): Use new_reg_base_value instead of reg_base_value.
3131 (init_alias_analysis): Allocate space for new_reg_base_value too.
3132 Rework code to iterate over the insns propagating base value
3133 information until nothing changes.
3135 * global.c (global_alloc): Free the conflict matrix after
3136 reload has finished.
3138 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
3140 * libgcc2.c (L_eh): Define __eh_pc.
3141 Replace __eh_type with generic pointer __eh_info.
3143 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
3145 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
3146 use copy_to_reg if address is not a general_operand.
3148 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3150 * profile.c (output_func_start_profiler): Clear flag_inline_functions
3151 for the duration of the call to rest_of_compilation.
3153 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
3155 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
3157 (sparc*-*-*): Recognize --with-cpu=v9.
3158 * sparc/elf.h: New file.
3159 * sparc/t-elf: New file.
3161 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
3163 * mn10300.c (const_8bit_operand): New function.
3164 (mask_ok_for_mem_btst): New funtion.
3165 * mn10300.md (btst patterns with mem operands): Use new functions
3166 to avoid creating btst instructions with invalid operands.
3168 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
3170 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
3171 are running on PowerPC Linux.
3173 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
3175 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
3176 if not previously defined.
3178 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
3180 * function.c (assign_parms): Correct mode of stack_parm if
3181 entry_parm underwent a mode conversion.
3183 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
3185 * global.c (global_alloc): Use xmalloc instead of alloca for
3186 CONFLICTS, since max_allocno * allocno_row_words alone can be more
3187 than 2.5Mb sometimes.
3189 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
3191 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
3192 DEST for the spill, adjust mode of SRC to compensate.
3194 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
3196 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
3197 since any_memory_operand() allows pseudos during reload.
3198 (reload_inhi, reload_outqi, reload_outhi): Likewise.
3200 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
3202 * m68k.md (btst patterns): Add 5200 support.
3204 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
3206 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
3207 optimizations, look inside dividend to determine if the expression
3208 can be simplified by using EXACT_DIV_EXPR.
3210 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
3213 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
3215 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
3217 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
3219 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
3221 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
3224 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
3226 * alpha.md (movqi, movhi): Make sure new insns created during reload
3227 won't need reloading themselves.
3228 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
3230 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
3232 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
3234 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
3236 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
3237 Patch from Klaus Kaempf <kkaempf@progis.de>.
3239 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
3241 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
3242 to an element in a constant string.
3244 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
3246 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
3247 bit PC-relative offset. The exception range table pointer is now in
3249 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
3250 (count_fdes, add_fdes, get_cie): Adjust.
3251 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
3254 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
3256 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
3258 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
3259 like stack_pointer_rtx.
3261 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
3263 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
3264 targets using "$@" to provide support for similar but not identical
3265 targets without having to duplicate code.
3266 (bootstrap4): New goal.
3268 * Makefile.in (compare, compare-lean, compare3): Combined to one
3269 ruleset determining actions to be performed via $@.
3270 (compare4, compare4-lean): New targets.
3271 (gnucompare, gnucompare3): Combined to one ruleset determining
3272 actions to be performed via $@. Also, note which files failed
3273 the comparison test in .bad_compare.
3274 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
3276 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
3278 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
3279 if the dividend is a multiple of the divisor.
3281 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
3283 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
3285 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
3288 * alias.c (true_dependence): Fix typo.
3290 * toplev.c (flag_rerun_loop_opt): New variable.
3291 (f_options): Handle -frerun-loop-opt.
3292 (rest_of_compilation): If -frerun-loop-opt, then run the loop
3294 (main): Enable -frerun-loop-opt by default for -O2 or greater.
3296 * loop.c (simplify_giv_expr): Adding two invariants results
3299 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
3301 * expr.c (get_inner_reference): Remove the array bias after
3302 converting the index to Pmode.
3304 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
3306 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
3307 (TARGET_MULT_BUG): Define.
3308 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
3309 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
3311 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
3313 * mn10200.c (indirect_memory_operand): Delete unused function.
3314 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
3315 * mn10200.md (bset, bclr insns): Handle output in a reg too.
3317 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
3319 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
3320 the callee's ldgp, we must do it ourselves, and we use the jsr tag
3321 for more than scheduling.
3323 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
3325 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
3327 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
3329 * mn10300.c (symbolic_operand, legitimize_address): New functions.
3330 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
3331 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
3333 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
3335 * version.c: Bump for snapshot.
3337 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3339 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
3342 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
3344 * toplev.c (flag_exceptions): Default value is 2.
3345 (compile_file): If flag_exceptions still has the value 2, then
3348 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
3349 (rs6000_save_machine_status): Save pic_offset_table_rtx.
3350 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
3352 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
3355 * rs6000.md (*movsi_got_internal_mem): New pattern.
3356 (*movsi_got_internal_mem splitter): New define_split.
3358 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
3360 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
3362 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
3364 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
3365 only need to save LR.
3367 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
3369 * mn10300.md (movqi, movhi): Avoid using address registers as
3370 destinations unless absolutely necessary.
3372 * mn10200.c (expand_prologue): Fix typo.
3374 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
3376 * mn10200.md (neghi2): Provide an alternative which works if
3377 the input and output register are the same.
3379 * mn10300.c (print_operand): Handle 'S'.
3380 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
3381 shift amount in last alternative
3383 * mn10300.c (expand_epilogue): Rework to handle register restores
3384 in "ret" and "retf" instructions correctly.
3386 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
3388 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
3389 extzv for memory operands.
3391 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
3392 redundant conditional moves to single operand.
3394 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
3396 * v850.h: Move define of __v850__ from CPP_PREDEFINES
3399 * xm-v850.h: Use __v850 rather than __v850__ to
3402 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
3404 * mips/mips.c (compute_frame_size): Not a leaf function if
3407 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
3409 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
3411 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
3413 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
3414 (DEFAULT_ARCH32_P): New macro.
3415 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
3416 (enum cmodel): Declare.
3417 (sparc_cmodel_string,sparc_cmodel): Declare.
3418 (SPARC_DEFAULT_CMODEL): Provide default.
3419 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
3420 (TARGET_FULLANY): Deleted.
3421 (TARGET_CM_MEDMID): New macro.
3422 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
3423 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
3424 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
3425 (CPP_SPEC): Rewrite.
3426 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
3427 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
3428 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
3429 (ASM_SPEC): Add %(asm_arch).
3430 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
3431 Rename asm_default to asm_cpu_default.
3432 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
3433 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
3434 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
3435 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
3436 (MASK_INT64,MASK_LONG64): Delete.
3437 (MASK_ARCH64): Renamed to MASK_64BIT.
3438 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
3439 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
3440 (TARGET_SWITCHES): Always provide 64 bit options.
3441 (ARCH64_SWITCHES): Delete.
3442 (TARGET_OPTIONS): New option -mcmodel=.
3443 (INT_TYPE_SIZE): Always 32.
3444 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
3445 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
3446 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
3447 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
3448 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
3450 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
3451 * sparc/linux.h: Likewise.
3452 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
3453 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
3454 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
3455 (SPARC_DEFAULT_CMODEL): Define.
3456 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
3457 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
3458 (LONG_DOUBLE_TYPE_SIZE): Define.
3459 (ASM_SPEC): Add %(asm_arch).
3460 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
3461 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
3462 (TARGET_CPU_DEFAULT): Add ultrasparc case.
3463 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
3464 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
3465 (SPARC_DEFAULT_CMODEL): Define.
3466 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
3467 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
3468 MASK_LONG64, MASK_MEDANY.
3469 (SPARC_DEFAULT_CMODEL): Define.
3470 (CPP_PREDEFINES): Delete.
3471 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
3472 (ASM_SPEC): Add %(asm_arch).
3473 (LONG_DOUBLE_TYPE_SIZE): Define.
3474 (DWARF2_DEBUGGING_INFO): Define.
3475 * sparc/splet.h (CPP_SPEC): Delete.
3476 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
3477 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
3478 (BLOCK_PROFILER): Likewise.
3479 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
3480 (sparc_override_options): Handle code model selection.
3481 (sparc_init_expanders): Renamed from sparc64_init_expanders.
3482 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
3483 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
3484 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
3485 (sethi_di_fullany): Delete.
3487 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
3488 Jeff Law <law@cygnus.com>
3489 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3491 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
3492 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
3493 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
3494 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
3495 * alpha/alpha.md (arg_home): Likewise.
3497 * alpha/alpha.c (vmskrunch): Delete
3498 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
3499 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
3500 truncate to 64 characters.
3502 * make-l2.com: Support openVMS/Alpha.
3504 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
3506 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3508 * longlong.h (count_leading_zeros): Add missing casts to USItype.
3510 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
3512 * i386/bsd386.h (ASM_COMMENT_START): Define.
3514 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
3516 * tree.c (restore_tree_status): Also free up temporary storage
3517 when we finish a toplevel function.
3518 (dump_tree_statistics): Print stats for backend obstacks.
3520 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
3522 * expr.c (use_group_regs): Don't call use_reg for MEMs.
3524 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
3526 * libgcc2.c (__throw): Don't copy the return address.
3527 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
3529 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
3530 * toplev.c (main): Initialize exceptions_via_longjmp.
3532 * tree.c: Add extra_inline_obstacks.
3533 (save_tree_status): Use it.
3534 (restore_tree_status): If this is a toplevel inline obstack and we
3535 didn't want to save anything on it, recycle it.
3536 (print_inline_obstack_statistics): New fn.
3537 * function.c (pop_function_context_from): Pass context to
3538 restore_tree_status.
3539 * obstack.h (obstack_empty_p): New macro.
3541 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
3543 * i386/freebsd.h (ASM_COMMENT_START): Fix.
3545 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
3547 * v850.c (ep_memory_offset): New function.
3548 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
3550 * v850.h (CONST_OK_FOR_*): Add and correct comments.
3551 (CONSTANT_ADDRESS_P): Add comment.
3552 (EXTRA_CONSTRAINT): Define 'U'.
3553 * v850.md: Add comments on bit field instructions.
3554 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
3555 (lshrsi3): Use N not J constraint.
3557 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
3559 * v850.c (reg_or_0_operand): Call register_operand.
3560 (reg_or_int5_operand): Likewise.
3561 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
3562 (TARGET_SWITCHES): Add "big-switch".
3563 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
3564 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
3565 (CASE_DROPS_THROUGH): Comment out.
3566 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
3567 * v850.md (cmpsi): Delete compare mode.
3568 (casesi): New pattern.
3570 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
3571 * v850.md (ashlsi3): Use SImode not QImode for shift count.
3572 (lshrsi3): Likewise.
3574 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
3575 unreachable switch statement after 'b' support. Remove "b" from
3576 strings for 'b' support.
3577 * v850.md (branch_normal, branch_invert): Change %b to b%b.
3579 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
3581 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
3582 empty line if @inhibit_libc@ is empty.
3584 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
3586 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
3587 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
3588 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
3589 (DWARF2_UNWIND_INFO): Let this track object file format.
3590 (EXTRA_SECTIONS): Add in_eh.
3591 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
3592 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
3594 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
3596 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
3597 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
3599 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
3600 (output_double_int): Output DI mode values correctly when
3601 HOST_BITS_PER_WIDE_INT is 64.
3602 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
3603 fmovd so it works if a quad float ends up in one of the upper 32
3605 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
3606 necessary for PIC support on sparc64.
3608 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
3610 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
3611 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
3612 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
3613 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
3614 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
3615 (SPARC_FP_ARG_FIRST): New macro.
3616 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
3617 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
3618 (NPARM_REGS): There are 32 fp argument registers now.
3619 (FUNCTION_ARG_REGNO_P): Likewise.
3620 (FIRST_PARM_OFFSET): Update to new v9 abi.
3621 (REG_PARM_STACK_SPACE): Define for arch64.
3622 (enum sparc_arg_class): Delete.
3623 (sparc_arg_count,sparc_n_named_args): Delete.
3624 (struct sparc_args): Redefine and use for arch32 as well as arch64.
3625 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
3626 (FUNCTION_ARG_ADVANCE): Rewrite.
3627 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
3628 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
3629 (FUNCTION_ARG_CALLEE_COPIES): Delete.
3630 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
3631 (STRICT_ARGUMENT_NAMING): Define.
3632 (doublemove_string): Declare.
3633 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
3634 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
3635 (doublemove_string): New function.
3636 (output_move_quad): Clean up some of the arch64 support.
3637 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
3638 Don't add 8 bytes of reserved space if arch64.
3639 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
3640 (init_cumulative_args): New function.
3641 (function_arg_slotno): New static function.
3642 (function_arg,function_arg_partial_nregs): New functions.
3643 (function_arg_{pass_by_reference,advance}): New functions.
3644 (function_arg_padding): New function.
3645 * ginclude/va-sparc.h: Rewrite v9 support.
3647 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
3649 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
3650 for hard regs to determine base and index registers.
3652 * reload.c (debug_reload_to_stream): New function. Specify stream
3653 into which to write debug info.
3654 (debug_reload): Modify to call debug_reload_to_stream with stderr.
3656 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
3658 * combine.c (can_combine_p): Don't combine with an asm whose
3659 output is a hard register.
3661 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
3663 * c-decl.c (start_struct): Ensure that structs with forward
3664 declarations are in fact packed when -fpack-struct is given.
3666 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
3667 we are packing a structure. This allows a structure with only
3668 bytes to be aligned on a byte boundary and have no padding on a
3671 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3673 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
3675 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
3677 * alpha.c (alpha_return_addr_rtx): New variable.
3678 (alpha_save_machine_status): New; save it.
3679 (alpha_restore_machine_status): New; restore it.
3680 (alpha_init_expanders): New; clear it.
3681 (alpha_return_addr): New; set it.
3682 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
3683 is overly conservative, so search the insns explicitly.
3684 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
3685 (alpha_sa_size [VMS && !VMS]): Likewise.
3686 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
3687 (INIT_EXPANDERS): New definition.
3689 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
3690 (output_prolog [!VMS]): Use them.
3692 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
3693 (alpha_does_function_need_gp): ... a new function. Refine the
3694 CALL_INSN test to just TYPE_JSR.
3695 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
3697 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
3699 * version.c: Bump for snapshot.
3701 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3703 * pa.c (move_operand): Respect -mdisable-indexing.
3704 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
3706 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
3708 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
3710 (umulsidi3,umulsi3_highpart): Ditto.
3711 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
3713 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
3715 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
3716 (alpha_handle_trap_shadows): ... a new function. Handle the entire
3717 function in one go. Emit RTL for trapb, instead of printf directly.
3718 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
3719 (trap_pending): Kill global variable.
3720 (output_epilog): Don't call final_prescan_insn.
3721 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
3722 * alpha.h (FINAL_PRESCAN_INSN): Remove.
3723 (MACHINE_DEPENENT_REORG): Define.
3724 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
3727 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
3729 Tune Haifa scheduler for Alpha:
3730 * alpha.h (ISSUE_RATE): Define.
3731 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
3732 EV4 adjustments to EV5.
3733 * alpha.md: Remove all scaling from function unit delays. Rework
3734 EV5 function units to match the CPU.
3735 (umuldi3_highpart): EV5 added the IMULH insn class.
3737 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
3739 * pa.c (following_call): Fail if the CALL_INSN is an indirect
3742 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
3744 * cplus-dem.c (demangle_signature): Don't look for return types on
3745 constructors. Handle member template constructors.
3747 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
3749 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
3750 * tree.h: Declare them.
3752 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
3754 * configure.in: Handle --with-newlib.
3755 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
3757 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
3759 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
3761 * config/ptx4.h: Fix typo.
3763 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
3765 * version.c: Bump for snapshot.
3767 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
3769 * aclocal.m4: Substitute INSTALL.
3770 * configure: Re-built.
3772 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
3774 * integrate.c (save_for_inline_copying): Avoid undefined pointer
3776 (expand_inline_function): Likewise.
3778 * dwarf2out.c (output_call_frame_info): Reinstate last change
3779 using flag_debug_asm check instead of flag_verbose_asm.
3781 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
3783 * dwarf2out.c (output_call_frame_info): Remove last change.
3785 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3787 * frame.c (__frame_state_for): Execute the FDE insns until the
3788 current pc value is strictly bigger than the target pc value.
3790 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
3792 * regclass.c (init_reg_modes): If we can't find a mode for the
3793 register, use the previous one.
3795 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
3797 * haifa-sched.c (print_block_visualization): Call fprintf directly,
3798 don't sprintf through an alloca'ed buffer.
3800 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
3802 * reload.c (decompose): Always initialize val.base.
3804 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
3806 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
3807 instead of aborting.
3808 * dwarf2out.c (output_call_frame_info): Call app_enable and
3809 app_disable to let GNU as accept the generated comments.
3811 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
3813 * tree.h (get_file_function_name): Add declaration.
3814 * dwarf2out.c (output_call_frame_info): No need to cast
3815 get_file_function_name call anymore.
3816 * profile.c (toplevel): Remove get_file_function_name
3818 * c-lang.c (finish_file): Ditto.
3820 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
3822 * Makefile.in (program_transform_name): Let autoconf substitute
3825 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
3827 * haifa-sched.c (schedule_block): If the first real insn in a
3828 block has any special notes attached to it, remove them.
3830 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
3832 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
3834 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
3836 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
3838 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
3840 * Makefile.in (check-g77): New test target.
3841 (CHECK-TARGETS): Add check-g77.
3843 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
3845 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
3847 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
3849 * flow.c (print_rtl_with_bb): Cast alloca return value for
3852 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
3854 * i386.h (RETURN_ADDR_RTX): New definition that works for
3855 __builtin_return_address(0) and -fomit-frame-pointer.
3857 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
3859 Bring over from FSF.
3860 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
3862 * mips.c (function_arg): Handle passing a struct
3863 containing a double in a DFmode register without the PARALLEL.
3865 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
3867 * pexecute.c: Use spawn if __CYGWIN32__.
3869 * pexecute.c: Include "config.h" first, as per autoconf manual
3870 (from Paul Eggert <eggert@twinsun.com>).
3872 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
3874 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
3875 optimisation for f/expr.o and f/stb.o.
3877 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
3879 * cse.c (this_insn_cc0_mode): Initialize.
3881 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
3883 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
3885 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
3887 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
3889 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
3890 that pair will dual-issue on the 21164 and plus+beq won't.
3891 (bne): Likewise for cmpeq+beq.
3893 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
3895 * except.c (find_exception_handler_labels): Correct argument to free.
3897 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
3899 * except.c (find_exception_handler_labels): Free LABELS when we're
3902 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
3904 * version.c: Bump for snapshot.
3906 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
3908 * flow.c (find_basic_blocks): Mark calls as potentially jumping
3911 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
3913 * configure.in: Substitute for "install" too.
3914 * configure: Rebuilt.
3916 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
3918 * Makefile.in (bootstrap-lean, compare-lean): New targets.
3920 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
3922 * alias.c (base_alias_check): Two symbols can conflict if they
3923 are accessed via AND.
3924 (memrefs_conflict_p): Likewise.
3926 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
3927 after flushing argument registers to the stack.
3929 * Makefile.in (mostlyclean): Remove .regmove files.
3931 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
3933 * libgcc2.c (__throw): Fix thinko.
3935 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
3937 * cplus-dem.c (demangle_template): Add new parameter. Handle new
3938 template-function mangling.
3939 (consume_count_with_underscores): New function.
3940 (demangle_signature): Handle new name-mangling scheme.
3942 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
3944 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
3947 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
3949 * frame.c: Remove last change.
3950 * dwarf2.h: Remove last change.
3951 * tree.h: Add declarations of DWARF2 unwind info support
3954 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
3956 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
3957 * tree.h (built_in_function): Likewise.
3958 * expr.c (expand_builtin): Likewise.
3959 * except.h: Likewise.
3960 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
3961 * libgcc2.c (copy_reg): New fn.
3964 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
3966 * c-typeck.c (build_binary_op): Warn about comparing signed vs
3967 unsigned if -W is specified and -Wno-sign-compare is not.
3968 * c-decl.c (warn_sign_compare): Initialize to -1.
3969 (c_decode_option): -Wall no longer implies -Wsign-compare.
3971 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3973 * frame.c: Include gansidecl.h for PROTO.
3974 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
3975 defined. Don't declare dwarf2out_cfi_label here.
3976 * dwarf2.h: Add declarations of DWARF2 unwind info support
3978 * m68k.c: Include dwarf2.h.
3979 (output_function_prologue): Add dwarf2 support.
3980 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
3981 (INCOMING_FRAME_SP_OFFSET): Likewise.
3983 * integrate.c (expand_inline_function): Make sure there is at
3984 least one insn that can be used as an insertion point.
3986 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
3988 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
3990 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
3992 * version.c: Bump for snapshot.
3994 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
3996 Bring over from FSF.
3998 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
4000 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
4001 (get_pc_via_rdpc): Renamed from get_pc_sp64.
4002 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
4004 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
4006 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
4007 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
4009 (sparc_align_{loops,jumps,funcs}_string): Declare.
4010 (sparc_align_{loops,jumps,funcs}): Declare.
4011 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
4012 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
4013 (STACK_BIAS): Define.
4014 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
4016 (SPARC_SETHI_P): New macro.
4017 (CONST_OK_FOR_LETTER_P): Use it.
4018 (ASM_OUTPUT_ALIGN_CODE): Define.
4019 (ASM_OUTPUT_LOOP_ALIGN): Define.
4020 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
4021 (sparc_align_{loops,jumps,funcs}): New globals.
4022 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
4024 (move_operand): Use SPARC_SETHI_P.
4025 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
4027 (arith11_double_operand): Likewise.
4028 (arith10_double_operand): Likewise.
4029 (finalize_pic): Finish sparc64 support.
4030 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
4031 64 bit constants if able.
4032 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
4033 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
4035 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
4036 (get_pc_sp32): Use for sparc64 as well.
4037 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
4038 (sethi_di_sp64_const): Likewise.
4039 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
4040 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
4041 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
4043 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
4045 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
4046 * sparc/linux.h (COMMENT_BEGIN): Likewise.
4047 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
4049 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
4051 Add sparc64 linux support.
4052 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
4053 to xm_file list on 32-bit sparc-linux.
4054 * sparc/xm-sp64.h: New file.
4055 * sparc/linux64.h: New file.
4056 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
4057 Don't include xm-sparc.h.
4058 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
4059 * glimits.h (LONG_MAX): Handle sparc64.
4061 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
4063 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
4064 * sparc.h (ASM_COMMENT_START): Define.
4065 * sparc.c (output_function_prologue): Use it.
4066 (sparc_flat_output_function_{epi,pro}logue): Likewise.
4068 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
4070 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
4071 use sparc.h's copies.
4072 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
4075 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4077 * sparc.c (dwarf2out_cfi_label): Add declaration.
4078 (save_regs, output_function_prologue): Remove cast for it.
4079 (sparc_flat_{save_restore,output_function_prologue): Likewise.
4080 ({save,restore}_regs): No longer inline.
4082 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4084 * fold-const.c (make_range): Correctly handle cases of converting
4085 from unsigned to signed type.
4087 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4089 * fold-const.c (merge_ranges): Make sure that if one range is subset
4090 of another, it will always be the second range. Correct (+,-) case to
4093 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
4095 * final.c (final_end_function): Also do dwarf2 thing if
4096 DWARF2_DEBUGGING_INFO.
4097 (final_start_function): Likewise.
4099 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
4101 * expmed.c (expand_divmod): If compute_mode is not the same as
4102 mode, handle the case where convert_modes() causes op1 to no
4103 longer be a CONST_INT.
4105 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
4106 note holding get_jump_flags() calculation to all JUMP_INSNs.
4107 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
4108 * rtl.c (reg_note_name): Add new note types.
4110 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
4112 * rtlanal.c (computed_jump_p): Fix typo in last change.
4114 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4116 * loop.c (indirect_jump_in_function_p): Return 0
4119 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
4121 * rs6000/xm-rs6000.h: Fix thinko in last change.
4122 * rs6000/xm-sysv4.h: Likewise.
4124 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
4126 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
4128 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
4130 * reg-stack.c (find_blocks): Fix thinko in last change.
4132 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4134 * m68k.c (output_function_prologue): Add dwarf2 support.
4136 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
4137 INCOMING_FRAME_SP_OFFSET): New definitions.
4139 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
4141 * combine.c (try_combine): Use NULL_RTX instead of '0' where
4142 appropriate in calls to gen_rtx().
4143 * cse.c (cse_main): Likewise.
4144 * emit-rtl.c (gen_label_rtx): Likewise.
4145 * expr.c (init_expr_once): Likewise.
4146 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
4147 sched_analyze, init_rgn_data_dependences,
4148 compute_block_backward_dependences): Likewise.
4149 * sched.c (schedule_insns): Likewise.
4150 * varasm.c (immed_double_const): Likewise.
4152 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
4153 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
4155 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
4157 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
4158 (MULTILIB_DEFAULTS): Define.
4159 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
4160 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
4161 (LIBGCC_SPEC): Likewise.
4162 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
4163 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
4164 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
4165 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
4166 (EXTRA_PARTS, TAROUTOPTS): Delete.
4167 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
4168 (MULTILIB_OPTIONS): Define.
4169 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
4170 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
4172 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
4174 * version.c: Bump for snapshot.
4176 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
4178 * loop.c (loop_number): Delete function. Change all references
4179 to use uid_loop_num array.
4180 * loop.h (loop_number): Delete declaration.
4181 * unroll.c (unroll_loop): Change "loop_number" references to
4182 use uid_loop_num instead.
4184 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
4186 (loop_unroll_iter): Remove unused variable and all references.
4187 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
4188 (insert_bct): Fix minor formatting problems.
4189 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
4190 (loop_unroll_iter): Removed unused decl.
4191 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
4192 Always record the unrolling factor.
4194 * cse.c (simplify_relational_operation): Set h0u just like h0s.
4195 Similarly for h1u and h1s.
4197 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
4198 (find_basic_blocks): Use computed_jump_p to determine if a
4199 particular JUMP_INSN is a computed jump.
4200 * reg-stack.c (find_blocks): Use computed_jump_p to determine
4201 if a particular JUMP_INSN is a computed jump.
4202 * rtlanal.c (jmp_uses_reg_or_mem): New function.
4203 (computed_jump_p): Likewise.
4204 * rtl.h (computed_jump_p): Declare.
4205 * genattrtab.c (pc_rtx): Define and initialize.
4206 * loop.c (loop_optimize): Always determine if the current
4207 function has a computed jump.
4208 (indirect_jump_in_function_p): Use computed_jump_p to determine
4209 if a particular JUMP_INSN is a computed jump.
4211 * loop.c (fix_bct_param): Delete unused function.
4212 (check_bct_param): Likewise.
4214 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
4216 * frame.c (__deregister_frame): Check properly for initialized object.
4218 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4220 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
4222 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4224 * jump.c (thread_jumps): check can_reverse_comparison_p before
4225 threading a reversed-condition jump.
4227 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
4228 * haifa-sched.c (update_flow_info): Likewise.
4230 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
4232 * Makefile.in (BOOT_CFLAGS): Use -O2.
4234 * configure.in (strtoul, bsearch): Have autoconf check for these
4236 * configure, config.in: Rebuilt.
4238 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
4239 * mips/mips.h (alloca): Likewise.
4240 * rs6000/xm-rs6000.h (alloca): Likewise.
4241 * rs6000/xm-sysv4.h: Likewise.
4243 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
4245 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
4246 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
4247 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
4249 * except.c (end_eh_unwinder): Subtract 1 from return address.
4250 * libgcc2.c (__throw): Likewise.
4251 (find_exception_handler): Don't change PC here. Compare end with >.
4253 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
4255 * v850.c (compute_register_save_size): Correct register
4257 * v850.md (save_interrupt, return_interrupt): Correct
4259 * v850/lib1funcs.asm (save_interrupt): Correct register number.
4260 (return_interrupt): Use stack pointer, not element pointer.
4262 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
4264 * configure.in, configure: Make sure to create the stage* and include
4265 symbolic links in each subdirectory.
4267 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
4269 * pa.md (reload_peepholes): Don't allow addresses with side
4270 effects for the memory operand.
4272 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
4274 * libgcc2.c (find_exception_handler): Subtract one from our PC when
4275 looking for a handler, to avoid hitting the beginning of the next
4278 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
4280 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
4282 * mips/abi64.h (LONG_MAX_SPEC): Define.
4283 * mips.h (LONG_MAX_SPEC): Define.
4284 (CPP_SPEC): Include long_max_spec.
4285 (EXTRA_SPECS): Include long_max_spec.
4287 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
4289 * v850.c (construct_save_jarl): Fix thinko in last change.
4291 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
4293 * version.c: Bump for snapshot.
4295 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
4297 * libgcc2.c (find_exception_handler): Not found is -1.
4299 * integrate.c (expand_inline_function): Move expand_start_bindings
4300 after expanding the arguments.
4302 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
4304 * expr.c (expand_expr): Remove previous incorrect change.
4305 If target and slot has no DECL_RTL, then call mark_addressable
4306 again for the slot after we give it RTL.
4308 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
4310 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
4311 again for the slot after we give it RTL.
4313 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
4315 * v850.c (register_is_ok_for_epilogue,
4316 pattern_is_ok_for_epilogue, construct_restore_jr,
4317 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
4319 * v850.h (pattern_is_ok_for_prologue,
4320 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
4323 * v850.md: Replace prologue and epilogue patterns with a
4324 match_parallel pattern.
4326 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
4328 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
4329 * configure.in: Use EGCS_PROG_INSTALL.
4331 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
4333 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
4334 extern inline function.
4336 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
4338 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
4339 (concat_loc_descriptor): New function.
4340 (loc_descriptor): Call it.
4341 (add_AT_location_description): Also elide the descriptor if both
4342 halves of a CONCAT are pseudos.
4343 (add_location_or_const_value_attribute): Recognize CONCAT too.
4345 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
4347 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
4349 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
4350 out-or-range reg_offset.
4351 (output_epilog): Likewise.
4353 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
4355 * cse.c (simplify_relational_operation): If MODE specifies a
4356 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
4357 is derived from the sign bit of the low word.
4359 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
4361 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
4363 * dwarf2.h: Add DW_CFA_GNU_args_size.
4364 * frame.c (execute_cfa_insn): Likewise.
4365 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
4366 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
4367 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
4368 insn, hand it off to dwarf2out_stack_adjust.
4369 (dwarf2out_begin_prologue): Initialize args_size.
4370 * frame.h (struct frame_state): Add args_size.
4371 * libgcc2.c (__throw): Use args_size.
4372 * final.c (final_scan_insn): If we push args, hand off all insns
4373 to dwarf2out_frame_debug.
4374 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
4376 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
4377 Handle epilogue restore of SP from FP.
4378 * emit-rtl.c (gen_sequence): Still generate a sequence if the
4379 lone insn has RTX_FRAME_RELATED_P set.
4381 * frame.c (extract_cie_info): Handle "e" augmentation.
4382 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
4383 absence of UNALIGNED_*_ASM_OP.
4384 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
4385 (output_call_frame_info): Use "e" instead of "z" for augmentation.
4386 Don't emit augmentation fields length.
4387 (dwarf2out_do_frame): Move outside of #ifdefs.
4388 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
4391 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
4392 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
4393 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
4394 * sparc/sun4gas.h: New file.
4395 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
4397 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
4398 __register_frame_table and __deregister_frame.
4400 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
4402 * except.c (find_exception_handler_labels): Use xmalloc instead of
4403 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
4406 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
4408 * Makefile.in: Various changes to build info files
4409 in the object tree rather than the source tree.
4411 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
4413 * fixinc.math: New file to fix math.h on some systems.
4414 * configure.in (freebsd, netbsd): Use fixinc.math on these
4416 * configure: Rebuilt.
4418 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
4420 * regmove.c (regmove_optimize): If we end up moving the
4421 original insn due to lifetime overlaps, make sure to move
4424 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
4426 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
4428 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
4430 * haifa-sched.c (add_branch_dependences): Make each insn in
4431 a SCHED_GROUP_P block explicitly depend on the previous insn.
4433 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
4435 * except.h: Prototype dwarf2 hooks.
4438 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
4440 * configure.in (native_prefix): Delete.
4441 (mips-dec-netbsd): Don't set prefix.
4442 (*linux*): Don't set prefix.
4444 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
4446 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
4447 defined. If not defined, include <sys/varargs.h> if
4448 HAVE_SYS_VARARGS_H is defined.
4449 * configure.in: Test for varargs.h and sys/varargs.h.
4450 * configure: Regenerate with autoconf.
4451 * config.in: Regenerate with autoheader.
4453 * cpplib.c (quote_string): Cast first arg of sprintf call
4454 from "unsigned char *" to "char *".
4455 (output_line_command): Ditto.
4456 (macroexpand): Ditto.
4457 (do_line): Cast atoi arg from "unsigned char *" to "char *".
4459 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
4461 * version.c: Bump for snapshot.
4463 * Makefile.in (compare): Exit with nonzero status if there
4464 are comparison failures. Note which files failed the
4465 comparison test in .bad_compare.
4467 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4469 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
4471 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
4473 * Makefile.in (LN, LN_S): New macros, use where appropriate.
4474 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
4475 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
4476 * configure: Regenerated.
4478 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
4480 * loop.c (strength_reduce): Fix typo.
4482 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
4484 * m88k/m88k.c (struct option): Rename to struct options.
4485 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
4486 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
4487 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
4488 __DOLPHIN__ or sysV88.
4490 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
4492 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
4495 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
4497 * config.sub: Accept 'amigados' for backward compatability.
4499 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4501 * Makefile.in (testsuite/site.exp): New target.
4502 (check-gcc, check-g++): Depend on testsuite/site.exp.
4503 Don't stop for failure.
4505 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
4507 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
4508 if DWARF2_UNWIND_INFO.
4510 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
4512 Add support for exception handling using DWARF 2 frame unwind info.
4513 Currently works on SPARC and MIPS, and almost on x86.
4515 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
4516 next_stack_level, in_reg_window): Helper fns.
4517 (__throw): Implement for DWARF2_UNWIND_INFO.
4519 * expr.c (expand_builtin): Handle builtins used by __throw.
4520 * tree.h (enum built_in_function): Add builtins used by __throw.
4521 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
4522 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
4523 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
4524 (expand_builtin_extract_return_addr): Likewise.
4525 (expand_builtin_frob_return_addr): Likewise.
4526 (expand_builtin_set_return_addr_reg): Likewise.
4527 (expand_builtin_eh_stub): Likewise.
4528 (expand_builtin_set_eh_regs): Likewise.
4529 (eh_regs): Choose two call-clobbered registers for passing back values.
4531 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
4532 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
4533 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
4534 (stmp-multilib): Likewise.
4535 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
4537 * except.c: #include "defaults.h".
4538 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
4539 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
4540 (register_exception_table_p): New fn.
4541 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
4542 (end_eh_unwinder): Likewise.
4544 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
4545 call __register_frame and __deregister_frame as needed.
4546 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
4547 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
4548 EH_FRAME_SECTION_ASM_OP.
4549 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
4550 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
4551 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
4553 * dwarf2out.c (output_call_frame_info): If no support for
4554 EXCEPTION_SECTION, mark the start of the frame info with a
4556 * collect2.c (frame_tables): New list.
4557 (is_ctor_dtor): Recognise frame entries.
4558 (scan_prog_file): Likewise.
4559 (main): Pass -fno-exceptions to sub-compile. Also do collection
4560 if there are any frame entries.
4561 (write_c_file_stat): Call __register_frame_table and
4562 __deregister_frame as needed.
4563 (write_c_file_glob): Likewise.
4565 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
4566 Also require unaligned reloc support.
4567 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
4568 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
4569 * sparc/sysv4.h: Not here.
4571 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
4572 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
4573 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
4575 * libgcc2.c (L_eh): Reorganize, moving code shared by different
4576 EH implementations to the top.
4577 (find_exception_handler): Split out. Start from 0. Compare against
4579 (__find_first_exception_table_match): Use it.
4580 * except.c (output_exception_table): Don't do anything if there's
4581 no table. Don't output a first entry of zeroes.
4582 (eh_outer_context): Adjust properly.
4583 (add_eh_table_entry): Use xrealloc.
4584 * toplev.c (compile_file): Just call output_exception_table.
4586 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
4588 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
4590 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
4592 * except.c (eh_outer_context): Do masking using expand_and.
4594 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
4596 Add port done awhile ago for the ARC cpu.
4597 * arc/arc.h: New file.
4598 * arc/arc.c: New file.
4599 * arc/arc.md: New file.
4600 * arc/initfini.c: New file.
4601 * arc/lib1funcs.asm: New file.
4602 * arc/t-arc: New file.
4603 * arc/xm-arc.h: New file.
4604 * ginclude/va-arc.h: New file.
4605 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
4606 * ginclude/varargs.h: Likewise.
4607 * Makefile.in (USER_H): Add va-arc.h.
4608 * configure.in (arc-*-elf*): Recognize.
4609 * longlong.h: Add ARC support.
4611 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
4613 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
4614 when clearing non-BLKmode data.
4616 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
4618 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
4619 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
4621 * xm-m88k.h (USG): Only define if it hasn't already been defined.
4623 * Makefile.in (risky-stage1): Delete gratutious whitespace.
4625 * Makefile.in (clean): Delete libgcc1-test.
4627 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
4629 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
4631 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
4634 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4636 * dwarf2out.c (output_call_frame_info): Call named_section.
4638 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
4640 * haifa-sched.c (print_value): Fix last change.
4642 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
4644 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
4647 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
4649 * mips.c (function_prologue): Set up the CFA when ABI_32.
4651 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
4652 for dwarf2 unwind info.
4653 (output_function_prologue, sparc_flat_output_function_prologue): Same.
4655 * final.c (final_end_function): Check dwarf2out_do_frame instead
4656 of DWARF2_DEBUG for dwarf2 unwind info.
4657 (final_scan_insn): Likewise.
4658 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
4661 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
4664 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
4666 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
4668 * v850.h (ASM_SPEC): Pass on target processor.
4669 (CPP_PREDEFINES): Only define if not already specified.
4670 (TARGET_VERSION): Only define if not already specified.
4671 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
4673 (EXTRA_SWITCHES): Extra entries in the switches array.
4674 (TARGET_DEFAULT): Set default target processor.
4676 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
4678 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
4679 cases, add %# and %/, and add : to make them into extended asms.
4681 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
4683 * alias.c (init_alias_analysis): Clean up incompatible pointer
4684 type warning in bzero.
4685 * regmove.c (regmove_optimize): Ditto.
4686 * haifa-sched.c (find_rgns): Ditto.
4688 * haifa-sched.c (print_value): Clean up ptr->int cast
4691 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
4693 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
4694 * install.texi (Configurations): Ditto.
4695 * config.sub: Ditto.
4697 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
4699 * Makefile.in (sdbout.o): Depend on insn-config.h.
4701 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
4703 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
4704 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
4706 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
4708 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
4709 prologue insn, only the first elt is significant.
4710 (output_call_frame_info): For exception handling, always use 4-byte
4711 fields as specified by the dwarf2 spec.
4712 Don't skip trivial FDEs.
4714 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
4716 * version.c: Bump for snapshot.
4718 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
4720 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
4721 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
4724 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
4726 * final.c (shorten_branches): During first pass, assume worst
4727 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
4729 * Makefile.in (distclean): Remove various things left around
4730 by running the testsuite.
4732 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
4734 * configure.in (out_file): Emit definition to config.status in order
4735 to have a defined value for configure.lang.
4736 * configure: Re-built.
4738 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
4740 * configure.in: Make symlink to as-new rather than as.new. Similarly
4742 * configure: Rebuilt.
4744 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
4746 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
4748 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
4750 * sparc/sparc.md: Add ultrasparc scheduling support.
4751 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
4753 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
4755 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
4756 as initial value for real_label_map.
4757 (copy_for_inline): Likewise.
4759 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4761 * sched.c (update_flow_info) When looking if to set found_split_dest
4762 or found_orig_dest, look at all parts of a PARALLEL.
4763 * haifa-sched.c (update_flow_info): Likewise.
4765 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
4767 * v850: New directory for v850 port.
4768 * v850/lib1funcs.asm: New file.
4769 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
4770 * ginclude/va-v850.h: New file.
4771 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
4772 * configure.in (mn10200-*-*): New target.
4773 * configure: Rebuilt.
4774 * config.sub: Handle v850-elf.
4775 * Makefile.in (USER_H): Add va-mn10200.h.
4776 * invoke.texi: Document v850 stuff.
4778 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
4780 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
4781 has integer TYPE_{MAX,MIN}_VALUE before using them.
4783 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
4784 __HPUX_ASM__ versions.
4786 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
4788 * install.sh: Delete duplicate install script.
4790 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
4792 * reg-stack.c (subst_stack_regs): Pop the stack register for a
4793 computed goto which sets the same stack register.
4795 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
4796 destination are both on the regstack.
4797 (subst_stack_regs_pat): Put the destination at the top of the regstack.
4799 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
4801 * mips.md (nonlocal_goto_receiver): Define.
4803 * profile.c (output_arc_profiler): Check next_insert_after for non
4804 NULL before deferencing it.
4806 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
4808 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
4810 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
4812 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
4814 * toplev.c (rest_of_compilation): For passes starting with
4815 flow_analysis, use print_rtl_with_bb instead of print_rtl.
4817 * print-rtl.c (print_rtl_single): Print a single rtl value to a
4820 * flow.c (print_rtl_with_bb): Print which insns start and end
4821 basic blocks. For the start of a basic block, also print the live
4824 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
4826 * toplev.c (main): Change #elif to #else/#ifdef
4828 * tlink.c: Include ctype.h.
4829 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
4831 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
4833 * bitmap.c: Conditionally include stdlib.h.
4834 (free): Provide a declaration if NEED_DECLARATION_FREE.
4836 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
4838 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
4840 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
4842 * profile.c (output_arc_profiler): Verify next_insert_after is an
4843 INSN before and after skipping a stack pop.
4845 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4847 * final.c (shorten_branches): Don't count the lengths of deleted
4850 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
4852 * version.c: Bump for snapshot.
4854 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
4856 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
4857 two bitmaps ANDed together.
4858 (bitmap_print): Declare.
4860 * bitmap.c (function_obstack): Don't declare any more.
4861 (bitmap_obstack): Obstack for allocating links from.
4862 (bitmap_obstack_init): New static to say whether to initialize
4864 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
4865 (bitmap_release_memory): Free all memory allocated from
4868 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
4869 EXECUTE_IF_AND_IN_BITMAP.
4871 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
4873 * alias.c (true_dependence): Address with AND can alias scalars.
4874 (anti_dependence, output_dependence): Likewise.
4876 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
4878 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
4880 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
4881 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
4882 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
4883 definitions. Use -qrtems instead of -mrtems.
4885 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
4887 * xm-sco5.h (sys_siglist): Define.
4888 (SYS_SIGLIST_DECLARED): Likewise.
4890 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
4892 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
4894 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
4896 * except.c (eh_outer_context): Expand masking operation using
4899 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
4901 * alpha.md (floatdisf2-1): New pattern.
4903 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
4905 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
4906 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
4907 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
4908 * gcc.texi: Note that if you define sys_siglist that you should
4909 also define SYS_SIGLIST_DECLARED.
4911 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
4912 are relative to the next instruction, not the current instruction.
4914 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
4916 * local-alloc.c (contains_replace_regs): New function.
4917 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
4918 verify that there is no existing REG_EQUIV note, and add a call to
4919 contains_place_regs.
4921 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4923 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
4924 (STARTFILE_SPEC): Always use crtbegin.o%s
4925 (ENDFILE_SPEC): Always use crtend.o%s.
4927 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
4929 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
4931 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
4932 SFmode for 64 bit hosts.
4934 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
4936 * fixincludes: Permits spaces between # and define. Discard C++
4937 comments in sys/pci.h on HP/UX 10.20.
4939 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
4941 * version.c: Bump for snapshot.
4943 * pa.c (restore_unscaled_index_insn_codes): New function.
4944 (record_unscaled_index_insn_codes): Likewise.
4945 (output_function_prologue): Call restore_unscaled_index_insn_codes.
4946 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
4947 (pa_reorg): Call record_unscaled_index_insn_codes.
4949 * haifa-sched.c (move_insn): Handle notes correctly for insns
4950 with SCHED_GROUP_P set.
4952 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4954 * alpha/xm-linux.h (USE_BFD): Undef before define.
4956 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
4958 * cse.c (cse_insn): Don't record BLKmode values.
4960 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
4962 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
4964 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
4966 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
4967 * collect2.c (sys_errlist): Likewise.
4968 * cpplib.c (sys_errlist): Likewise.
4969 * gcc.c (sys_errlist): Likewise.
4970 * protoize (sys_errlist): Likewise.
4971 * configure.in: Check for strerror.
4972 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
4973 * xm-gnu.h (HAVE_STRERROR): Likewise.
4974 * xm-linux.h (HAVE_STRERROR): Likewise.
4975 * xm-netbsd.h (HAVE_STRERROR): Likewise.
4976 * xm-bsd386.h (HAVE_STRERROR): Likewise.
4977 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
4978 * xm-dos.h (HAVE_STRERROR): Likewise.
4979 * xm-mingw32.h (HAVE_STRERROR): Likewise.
4980 * xm-pa.h (HAVE_STRERROR): Likewise.
4981 * xm-papro.h (HAVE_STRERROR): Likewise.
4982 * xm-sysv4.h (HAVE_STRERROR): Likewise.
4983 * configure, config.in: Rebuilt.
4985 * Makefile.in: Add several missing "else true" clauses.
4987 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
4988 * mips-tfile.c: Likewise.
4989 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
4990 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
4991 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
4992 * configure.in: Check for sys_siglist declaration.
4993 * configure, config.in: Rebuilt.
4995 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
4997 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
4998 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
4999 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
5000 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
5001 * rs6000/sysv4.h (extra_subtarget_switches): Added new
5002 macro EXTRA_SUBTARGET_SWITCHES.
5003 * configure.in (sh*-*-rtems*): New target.
5004 * sh/rtems.h: New file.
5005 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
5006 * configure: Rebuilt.
5008 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
5010 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
5012 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
5014 * rs6000.md: Make DF fused-add operations pay attention to
5017 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
5019 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
5021 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
5023 * pa.md (reload_peepholes): Make sure operand is a REG before
5024 examining REGNO. Allow general registers too.
5026 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
5028 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
5030 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
5032 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
5033 to reallocate abbrev_die_table.
5035 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
5037 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
5039 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5041 * Makefile.in (config.status): Depend on version.c
5043 * expr.h (insn_gen_function): Reenable prototype.
5045 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
5048 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
5050 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
5052 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
5054 * version.c: Bump for latest snapshot.
5056 * bc-optab.c: Conditionally include stdlib.h.
5057 (free): Provide a declaration if NEED_DECLARATION_FREE.
5058 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
5059 * rtl.h (free): Remove declaration.
5060 * tree.h (free): Remvoe declaration.
5062 * configure: Rebuilt.
5064 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
5066 * flags.h (flag_move_all_movables): Declare.
5067 (flag_reduce_all_givs): Likewise.
5068 * loop.c (move_movables): Handle flag_move_all_movables.
5069 (strength_reduce): Handle flag_reduce_all_givs.
5070 * toplev.c (flag_move_all_movables): Define.
5071 (flag_reduce_all_givs): Likewise.
5072 (f_options): Add -fmove-all-movables and -freduce-all-givs.
5073 * invoke.texi: Document new options, including alias stuff that
5074 wasn't included last time.
5076 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
5078 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
5081 * t-vxworks68: Ditto.
5082 * t-vxworks960: Ditto.
5085 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
5087 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
5088 if not already defined, and USE_C_ALLOCA not defined.
5090 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
5092 * config.guess: Replace with script that uses ../config.guess.
5094 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
5095 if USE_GNULIBC_1 is not defined.
5097 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
5099 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
5100 * config.guess: Recognize alpha-linux-gnulibc1.
5101 * configure.in (alpha-*-linux-gnulibc1): New target.
5102 (alpha-*-linux-gnu*): Don't build crtbegin/end.
5104 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
5106 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
5109 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
5111 * loop.c (combine_movables): Earlier insns don't match later ones.
5113 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5115 * config/linux.h (CC1_SPEC): Define it only if not defined.
5117 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
5120 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
5121 USE_GNULIBC_1 is not defined.
5123 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
5125 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
5126 as 1 if USE_GNULIBC_1 is not defined.
5128 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
5130 * reorg.c (dbr_schedule): Allow current_function_return_rtx
5131 to be something other than a REG.
5132 * function.c (expand_function_end): Fix current_function_return_rtx
5135 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
5136 * x-netbsd: Likewise
5137 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
5138 (INSTALL_HEADERS): Delete.
5139 * x-dguxbcs: Likewise.
5140 * x-hp3bsd44: Likewise
5143 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5145 * i386.md (pop): pop increments the stack pointer.
5146 (prologue_set_stack_ptr): New pattern.
5147 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
5150 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
5152 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
5153 address where an offsettable address is required.
5155 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
5157 * loop.c (check_final_value): Don't miss a biv increment in a
5160 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
5162 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
5163 TYPE_DECL_IS_STUB instead of DECL_NAME.
5165 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5167 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
5169 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
5171 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
5173 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
5175 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
5176 (find_post_sched_live): Likewise.
5178 * haifa-sched.c (schedule_block): Remove old code to get arguments
5179 from hard regs into pseudos early.
5181 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
5183 * version.c: Bump for new snapshot.
5185 * local-alloc.c (update_equiv_regs): All the target to reject
5186 promotion of some REG_EQUAL to REG_EQUIV notes.
5187 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
5189 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
5192 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
5193 store of the argument registers.
5195 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
5197 * fold-const.c (multiple_of_p): New function.
5198 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
5200 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
5202 * expr.h (insn_gen_function): Temporarily remove prototype.
5204 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
5206 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
5207 filenames. Use sed to extract base filename for install.
5209 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
5211 * unroll.c (find_splittable_givs): Only share if two givs have the
5212 same add and multiply values.
5214 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
5216 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
5217 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
5219 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
5221 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
5222 around branch tables.
5223 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
5224 and .end_brtab directives if TARGET_GAS.
5226 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
5228 * alias.c (true_dependence): Pass x_addr not x to varies.
5230 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
5231 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
5232 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
5234 * config.in, configure: Regenerate.
5236 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
5238 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
5240 (record_set): Handle LO_SUM like PLUS.
5241 (init_alias_analysis): When following chains of base addresses,
5242 do not stop on reaching a hard register.
5244 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
5246 * version.c: Bump for new snapshot.
5248 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
5250 * alpha.h (ARCH_ASM_FILE_START): Define.
5251 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
5252 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
5254 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
5256 * Makefile.in (install-common): Put gcov comment at start of line.
5258 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
5260 * alias.c (init_alias_analysis): When simplifying the reg_base_value
5261 array, simplify entries for hard registers too.
5263 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
5265 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
5268 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
5270 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
5271 block_stack before dereferencing it.
5273 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
5275 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
5277 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
5279 * cplus-dem.c: Add 'extern' to prepends_underscore.
5281 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
5283 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
5284 (get_issue_rate): Delete.
5285 * pa.h (ISSUE_RATE): Define.
5287 * configure.in: Turn on haifa by default for the PA.
5288 * configure: Rebuilt.
5289 * pa.c (override_options): Accept -mschedule=7200 option.
5290 (pa_adjust_cost): No longer need to scale costs for newer
5292 * pa.h (enum processor_type): Add PROCESSOR_7200.
5293 * pa.md: Revamp scheduling parameters to work better with
5294 haifa. Add scheduling parameters for the 7200.
5296 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
5298 (schedule_block): When adjusting basic_block_{head,end}, account
5299 for movement of SCHED_GROUP_P insns too.
5301 * haifa-sched.c (debug_dependencies): Fix thinko.
5303 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
5304 (site.exp, check, check-g++, check-gcc): New targets.
5306 * haifa-sched.c: Make lots of variables static.
5308 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5310 * expr.h, real.h: Finish prototyping.
5312 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
5314 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
5315 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
5316 * reload1.c: Undo bugfix from Aug 11.
5318 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
5320 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
5321 quotes around the name.
5322 * configure: Regenerate.
5324 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
5326 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
5328 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
5330 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
5331 to sub-makes to avoid building more passes than the user might have
5332 requested on the command line.
5334 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
5336 * configure.in: Expurgate `broken_install' (install is
5339 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
5342 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
5344 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
5345 functions and declarations.
5346 (analyze_loop_iterations): Use condjump_p.
5347 (insert_bct): Likewise. Use exact_log2.
5349 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
5351 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
5352 (schedule_region): Likewise.
5353 (schedule_insns): Likewise.
5355 * PROJECTS: Update with Haifa stuff.
5357 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
5359 * version.c: Change the version string to look like:
5360 egcs-2.90.00 970814 (gcc2-970802 experimental).
5362 * loop.c (is_conditional_branch): Make definition match declaration.
5364 * gcc.c: Take out experimental snapshot warning message.
5366 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
5368 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
5369 print out the names of the notes. Print out the name of the insn
5370 that is not a note, and not an {,CALL_,JUMP_}INSN.
5372 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
5374 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
5375 again for the slot after we give it RTL.
5377 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
5379 * configure.in (haifa configury): Fix typo.
5380 * configure: Regenerate.
5382 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
5384 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
5386 * gcc.info*: Rebuilt.
5388 * COPYING.g77, README.g77: New files.
5389 * real.c (ereal_unto_float, ereal_unto_double): New functions.
5390 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
5391 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
5393 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
5395 * Integrate Haifa instruction scheduler.
5396 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
5397 to sched with $(SCHED_CFLAGS.
5398 * configure.in: Handle --enable-haifa.
5399 * configure: Rebuilt.
5400 * flags.h: Add new flags for haifa instruction scheduler.
5401 * genattrtab.c (expand_units): For haifa, don't subtract one
5402 when computing blockage.
5403 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
5404 (flag_schedule_speculative): Ditto.
5405 (flag_schedule_speculative_load): Ditto.
5406 (flag_schedule_speculative_load_dangerous): Ditto.
5407 (flag_schedule_reverse_before_reload): Ditto.
5408 (flag_schedule_reverse_after_reload): Ditto.
5409 (flag_branch_on_count_reg): Ditto.
5410 (f_options): Add Haifa switches.
5411 (main): Turn off some Haifa options if appropriate macro is
5412 defined. Process Haifa switches.
5413 * unroll.c (iteration_info): No longer static, since Haifa
5415 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
5416 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
5417 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
5418 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
5419 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
5420 storage for the Haifa scheduler.
5421 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
5423 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
5424 are defined, call analyze_loop_iterations and insert_bct to use
5426 (record_giv): Refine test for jumps out of loops if HAIFA is
5428 (analyze_loop_iterations): New function to identify if we can use
5430 (insert_bct): Insert countdown loop.
5431 (instrument_loop_bct): Low level code to insert countdown loop.
5432 (loop_number): Calculate UID of loop.
5433 (indirect_jump_in_function_p): Return true if an indirect jump is
5435 (is_power_of_2): Return true if value is a power of 2.
5436 (is_conditional_branch): Return true if insn is a conditional
5438 (fix_bct_param): Process -fbct-{min,max}-N switches.
5439 (check_bct_param): Return true if loop should be instrumented.
5440 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
5441 (loop_optimize): Initialize.
5442 (get_condition_for_loop): Ditto.
5443 * loop.c (strength_reduce): Inside of code that uses #ifdef
5444 HAVE_decrement_and_branch_on_count code, test it to make sure the
5446 (instrument_loop_bct): Ditto.
5447 * haifa-sched.c: New file.
5450 * Integrate regmove pass.
5451 * Makefile.in (OBJS): Add regmove.o
5452 (regmove.o): Add dependencies.
5453 * flow.c (find_use_as_address): No longer static.
5454 * rtl.h (find_use_as_address): Declare.
5455 * toplev.c (regmove_dump, flag_regmove): Define.
5456 (f_options): Add -fregmove.
5457 (regmove_dump_file, regmove_time): Define.
5458 (fatal_insn): Close the regmove dump file.
5459 (compile_file): Initialize regmove_time; open/close the regmove dump
5460 file as needed. Print regmove time as needed.
5461 (rest_of_compilation): Run regmove pass if requested, dump
5462 RTL after regmove if requested.
5463 (main): If -O2 or more, turn on regmove. Handle dump switches.
5464 * regmove.c: New file.
5466 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
5468 * Integrate tlink patch from jason@cygnus.com
5469 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
5470 (process_command): Increment n_switches for them. Don't discard
5471 their args. Validate them.
5472 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
5474 (process_command): Set include_prefixes from COMPILER_PATH.
5475 (main): Set COLLECT_GCC_OPTIONS sooner.
5476 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
5477 * tlink.c, hash.c, hash.h: New files.
5478 * Makefile.in (USE_COLLECT2): Always use collect2.
5479 (collect2): Depend on and link in hash.o and tlink.o.
5480 (tlink.o, hash.o): Add dependencies.
5482 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
5484 * Integrate alias analysis changes from jfc@mit.edu
5485 * Makefile.in (OBJS): Add alias.o
5486 (alias.o): Add dependencies.
5487 * alias.c: New file.
5488 * sched.c: Remove alias analysis code. It lives in alias.c now.
5489 (sched_analyze_2): Add new arguments to true_dependence.
5490 (schedule_insns): Always call init_alias_analysis.
5491 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
5492 mark return value from such functions as a pointer and keep track of
5493 them for alias analysis. If a return value from a function is a
5494 pointer, mark it as such.
5495 * combine.c (distribute_notes): Handle REG_NOALIAS.
5496 * cse.c (struct write_data): Delete. No longer needed.
5497 (invalidate): Don't call set_nonvarying_address_components anymore.
5498 Use true_dependence to decide if an entry should be removed from
5500 (invalidate_memory): Remove WRITES argument, simplify appropriately.
5502 (note_mem_written): Similarly for WRITE_PTR argument.
5503 (invalidate_from_clobbers): Similarly for W argument.
5504 (invalidate_for_call): Remove memory elements from the hash table.
5505 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
5506 (cse_rtx_varies_p): New function. Derived from old
5507 cse_rtx_addr_varies_p.
5508 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
5509 Don't call note_mem_written anymore. Stack pushes invalidate the stack
5510 pointer if PUSH_ROUNDING is defined. No longer need to call
5511 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
5512 (skipped_writes_memory): Remove variable.
5513 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
5514 (invalidate_skipped_block): Simplify for new alias analysis code.
5515 (cse_set_around_loop): Likewise.
5516 (cse_main): Call init_alias_analysis.
5517 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
5518 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
5519 (f_options): Add new alias checking arguments.
5520 (main): Set flag_alias_check when optimizing.
5521 * local_alloc (validate_equiv_mem_from_store): Add new arguments
5523 (memref_referenced_p): Likewise.
5524 * loop.c (NUM_STORES): Increase to 30.
5525 (prescan_loop): Only non-constant calls set unknown_address_altered.
5526 (invariant_p): Add new arguments to true_dependence.
5527 (record_giv): Initialize unrolled and shared fields.
5528 (emit_iv_add_mult): Call record_base_value as needed.
5529 * loop.h (struct induction): Add unrolled and shared fields.
5530 * unroll.c (unroll_loop): Call record_base_value as needed.
5531 (copy_loop_body): Likewise.
5532 (final_biv_value): Likewise.
5533 (final_giv_value): Likewise.
5534 (find_splittable_regs): Likewise. Only create one new pseudo
5535 if we have multiple address GIVs that were combined with the same
5536 dst_reg GIV. Note when a new register is created due to unrolling.
5537 * rtl.c (reg_note_name): Add REG_NOALIAS.
5538 * rtl.h (enum reg_note): Similarly.
5539 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
5540 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
5541 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
5542 (true_dependence, read_dependence, anti_dependence): Likewise.
5543 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
5544 (mark_user_reg, mark_reg_pointer): Likewise.
5547 * Integrate reload bugfix from Wilon which enables the PA port
5549 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
5550 OPERAND_ADDRESS when computing how many registers an insn needs.
5551 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
5553 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
5555 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
5556 in reload_reg_use_in_op_addr do not reach the end.
5557 do not reach the end.
5558 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
5559 RELOAD_FOR_OPERAND_ADDRESS.
5561 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
5563 * egcs project officially starts.