1 Fri Apr 10 01:29:02 1998 Jeffrey A Law (law@cygnus.com)
3 * configure.in: Handle --with-fast-fixincludes.
4 (fixincludes): If --with-fast-fixincludes, then use a different
5 fixincludes program by default.
6 * Makefile.in (fixinc.sh): New rule.
8 Fri Apr 10 00:36:31 1998 H.J. Lu (hjl@gnu.org)
10 * i386.md (movqi+1): Handle invalid QI register.
11 (movsf_push-1): Likewise.
13 Thu Apr 9 16:53:59 1998 Nick Clifton <nickc@cygnus.com>
15 * config/m32r/m32r.c: call_address_operand(): Only accept symbolic
17 symbolic_memort_operand(), call32_operand(), int8_operand(),
18 int16_operand(), uint24_operand(), reg_or_int8_operand(): Removed.
20 uint16_operand(): Made static.
22 Thu Apr 9 01:43:04 1998 Jeffrey A Law (law@cygnus.com)
24 * calls.c (expand_call): Fix typo.
26 Thu Apr 9 00:18:44 1998 Dave Brolley (brolley@cygnus.com)
28 * c-lex.c (finput): New global.
29 (init_parse): Always included. Handle !USE_CPPLIB using
30 code originally in compile_file.
31 (finish_parse): Update for CPPLIB.
32 * toplev.c (init_parse, finish_parse): Declare.
33 (finput): Delete variable. Now in front-ends.
34 (compile_file): Remove code which is now handled by init_parse
35 which is unconditionally called. Similarly for finish_parse.
37 Wed Apr 8 23:13:50 1998 Gavin Koch <gavin@cygnus.com>
39 * config/mips/r3900.h (ASM_OUTPUT_DEF,SUPPORTS_WEAK,
40 ASM_WEAKEN_LABEL): Add.
42 Wed Apr 8 18:21:30 1998 Richard Henderson <rth@cygnus.com>
44 * alpha/crtbegin.asm, alpha/crtend.asm, alpha/t-crtb: New files.
45 * configure.in (alpha-*-linux*): Use them.
47 Fri Apr 3 17:02:13 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
49 * tree.def (EXPR_WITH_FILE_LOCATION): New tree node definition.
50 * tree.h (EXPR_WFL_{NODE,FILENAME,FILENAME_NODE,LINENO,
51 COLNO,LINECOL,SET_LINECOL,EMIT_LINE_NOTE}): New macros.
52 (build_expr_wfl): New prototype declaration.
53 * tree.c (build_expr_wfl): New function, to build
54 EXPR_WITH_FILE_LOCATION nodes.
55 (copy_node): Don't zero TREE_CHAIN if copying a
56 EXPR_WITH_FILE_LOCATION node.
57 * print-tree.c (print_node): Handle EXPR_WITH_FILE_LOCATION.
58 * expr.c (expand_expr): Handle EXPR_WITH_FILE_LOCATION.
60 Wed Apr 8 12:51:19 1998 Jeffrey A Law (law@cygnus.com)
62 * configure.in (v850): Use t-v850.
63 (ix86-wrs-vxworks): Recognize 786 just like other x86 configurations.
65 * protoize.c (creat, read, write): Do not declare.
67 * jump.c (mark_jump_label): Record REG_LABEL notes for insns which
68 refer to the CODE_LABEL before a dispatch table.
70 * invoke.texi: Add ARC options.
72 * gcc.c (proces_command): Improve error message for -o with
75 * i386/x-cygwin32 (CLIB): Link in advapi32.
77 * alpha.h (ASM_IDENTIFY_GCC): Define to nothing.
78 (ASM_IDENTIFY_LANGUAGE): Likewise.
80 * i386.md (movqi recognizer): Don't perfom byte increment into
83 * configure.in (x86-dg-dgux): Run fixinc.dgux.
85 * i370.h: Fix typo in GEN_INT changes.
87 * bitmap.c (bitmap_element_allocate): Use "void" for arglist instead
88 of an empty arglist in prototype.
90 * Makefile.in: Remove bytecode crud that crept back in after the
93 1998-04-08 Brendan Kehoe <brendan@cygnus.com>
95 * c-lex.h (is_class_name): Fix arg type to be tree, not void.
96 (make_pointer_declarator, reinit_parse_for_function): Fix typo.
98 Wed Apr 8 06:16:45 1998 Richard Earnshaw (rearnsha@arm.com)
100 * arm.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
102 Wed Apr 8 00:44:18 1998 Bernd Schmidt (crux@pool.informatik.rwth-aachen.de>
104 * c-lex.c (is_class_name): Delete declaration.
105 (whitespace_cr): Make static and add prototype.
106 * c-lex.h (make_pointer_declarator, reinit_parse_for_function,
107 yylex, get_directive_line): Turn declarations into prototypes.
108 (position_after_whitespace, check_newline, yyerror,, is_class_name,
109 forget_protocol_qualifiers, remember_protocol_qualifiers): Add
111 * genattr.c (extend_range, write_upcase, gen_attr, write_units): Add
113 * gencodes.c (gen_insn): Add prototype.
114 * genconfig.c (walk_insn, gen_insn, gen_expand, gen_split,
115 gen_peephole): Add prototypes.
116 * genflags.c (num_operands, gen_proto, gen_nonproto, gen_insn): Add
118 * gengenrtl.c (type_from_format, accessor_from_format, special_rtx,
119 special_format, find_formats, gendecl, genmacro, gendef, genlegend,
120 genheader, gencode): Add prototypes.
121 * genopinit.c (gen_insn): Add prototype.
122 * genoutput.c (output_prologue, output_epilogue, scan_operands,
123 process_template, validate_insn_alternatives, gen_insn, gen_peephole,
124 gen_expand, gen_split, n_occurrences): Add prototypes.
125 * genpeep.c (gen_peephole): Add prototype.
126 * loop.c (find_and_verify_loops, mark_loop_jump, prescan_loop,
127 reg_in_basic_block_p, consec_sets_invariant_p, libcall_other_reg,
128 labels_in_range_p, count_loop_regs_set, note_addr_stored,
129 loop_reg_used_before_p, scan_loop, replace_call_address,
130 skip_consec_insns, libcall_benefit, ignore_some_movables,
131 force_movables, combine_movables, rtx_equal_for_loop_p, move_movables,
132 strength_reduce, valid_initial_value_p, find_mem_givs, record_biv,
133 check_final_value, record_giv, update_giv_derive, basic_induction_var,
134 simplify_giv_expr, general_induction_var, consec_sets_giv,
135 check_dbra_loop, express_from, combine_givs_p, combine_givs,
136 product_cheap_p, maybe_eliminate_biv, maybe_eliminate_biv_1,
137 last_use_this_basic_block, record_initial, update_reg_last_use,
138 iteration_info, analyze_loop_iterations, insert_bct,
139 instrument_loop_bct, indirect_jump_in_function_p): Turn declarations
142 Tue Apr 7 21:48:52 1998 Jeffrey A Law (law@cygnus.com)
144 * pa.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
146 1998-04-07 Ken Raeburn <raeburn@cygnus.com>
148 * config/mips/mips.c (siginfo): Deleted.
149 (override_options): Don't install SIGINFO signal handler.
151 Tue Apr 7 11:58:04 1998 Jim Wilson <wilson@cygnus.com>
153 * loop.c (check_dbra_loop): When normalize comparison_val, add check
154 to verify it is non-negative.
156 Tue Apr 7 02:01:47 1998 Richard Henderson <rth@cygnus.com>
158 * alpha.c (alpha_expand_block_move): Correctly collect block offsets.
159 (alpha_expand_block_clear): Likewise.
161 Mon Apr 6 23:36:01 1998 Richard Henderson <rth@cygnus.com>
163 * tree.h (sizetype_tab): Fix previous change for K&R.
165 Mon Apr 6 22:23:29 PDT 1998 Jeff Law (law@cygnus.com)
167 * version.c: Bump for snapshot.
169 Mon Apr 6 23:16:10 1998 Richard Earnshaw (rearnsha@arm.com)
171 * configure.in (sparc-*-solaris2*): Add xm-siglist.h to xm_file.
172 Add USG and POSIX to xm_defines.
174 Mon Apr 6 21:49:57 1998 Bob Manson <manson@charmed.cygnus.com>
176 * gcc.c: Add linker spec.
177 (link_command_spec): Use %(linker) instead of ld.
178 (main): If collect2 is requested as the linker, see if it exists;
179 if not, use ld instead.
181 * Makefile.in (USE_COLLECT2): It's named collect2 now, not ld.
183 (install-collect2): Install as collect2, not ld.
185 * configure.in(will_use_collect2): It's named collect2 now.
187 * collect2: Remove checks to see if we were invoked recursively.
188 (collect_execute): Use _spawnvp under cygwin32.
190 Mon Apr 6 17:23:41 1998 Jim Wilson <wilson@cygnus.com>
192 * haifa-sched.c (build_control_flow): Set unreachable for block whose
193 only predecessor is itself.
195 Mon Apr 6 16:08:04 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
197 * c-parse.in: Include system.h, and remove stuff now made redundant.
200 * protoize.c: Likewise. Properly check for cpp stringification.
202 * Makefile.in (c-parse.o, cccp.o, cexp.o, protoize.o, unprotoize.o):
205 * objc/Make-lang.in (objc-parse.o): Likewise.
207 Mon Apr 6 14:59:58 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
209 * gansidecl.h: Check if compiler supports __attribute__. Provide
210 definitions for ATTRIBUTE_UNUSED and ATTRIBUTE_PRINTF using
211 __attribute__ when its available. Also provide definitions for
212 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2 and ATTRIBUTE_PRINTF_3 in
213 terms of ATTRIBUTE_PRINTF.
215 * genoutput.c (process_template): Use ATTRIBUTE_UNUSED in place
218 Mon Apr 6 07:17:52 1998 Catherine Moore <clm@cygnus.com>
220 * combine.c (can_combine_p): Include successor in volatile test.
222 Mon Apr 6 14:16:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
224 * sh.h (CASE_VECTOR_SHORTEN_MODE): Fix logic when to set
227 Mon Apr 6 02:03:29 1998 Jeffrey A Law (law@cygnus.com)
229 * objc/objc-act.c (encode_aggregate_within): Avoid GNU extensions
230 in prototype and definition.
232 Mon Apr 6 00:48:56 PDT 1998 Jeff Law (law@cygnus.com)
234 * version.c: Bump for snapshot.
236 Mon Apr 6 00:08:50 1998 Richard Henderson <rth@cygnus.com>
238 * alpha.c (alpha_expand_block_clear): Add missing offset arg to
239 alpha_expand_unaligned_store_words.
241 Sun Apr 5 21:31:24 1998 John Wehle (john@feith.com)
243 * i386.md (movsf_push, movsf_mem): Remove.
244 (movsf_push): Rename from movsf_push_nomove and move in front of
245 movsf. Use nonmemory_operand predicate and don't bother checking
247 (movsf_push_memory): New pattern.
248 (movsf): Don't bother checking for push_operand. If TARGET_MOVE and
249 both operands refer to memory then force operand[1] into a register.
250 (movsf_normal): Change to unnamed pattern.
251 Likewise for movdf, movxf, and friends.
253 Sun Apr 5 18:45:51 PDT 1998 Jeff Law (law@cygnus.com)
255 * version.c: Bump for snapshot.
257 Sun Apr 5 16:31:10 1998 Richard Henderson <rth@cygnus.com>
259 * configure.in (alpha-dec-osf*): Match osf1.3 correctly.
261 Sun Apr 5 16:53:37 1998 Don Bowman <don@pixsci.com>
263 * configure.in (mips-wrs-vxworks): New target.
265 Sat Apr 4 23:34:32 PST 1998 Jeff Law (law@cygnus.com)
267 * expmed.c (synth_mult): The value -1, has no zeros, so it can
268 never have the form ...011.
270 * version.c: Bump for snapshot.
272 Sat Apr 4 20:16:46 1998 Richard Henderson <rth@cygnus.com>
274 * i386.c (asm_output_function_prefix, load_pic_register):
275 Use ASM_GENERATE_INTERNAL_LABEL properly.
276 (output_pic_addr_const): Recognize %X to supress any PIC sym suffix.
277 (print_operand): Ignore it.
278 (load_pic_register): Use it for the got load call.
279 * i386.md (prologue_set_got, prologue_get_pc): Likewise.
280 (prologue_get_pc_and_set_got): Likewise.
281 * i386.h: Update print_operand docs.
283 Sat Apr 4 19:08:37 1998 Richard Henderson <rth@cygnus.com>
285 * i386.md (ffssi, ffshi): Rewrite as define_expands.
286 (ffssi_1, ffshi_1): New (unspec [] 5) support patterns.
287 * i386.c (notice_update_cc): Recognize unspec 5.
289 Sat Apr 4 18:07:16 1998 David Mosberger-Tang (davidm@mostang.com)
291 * alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Accept '(' for s/sv/svi.
292 * alpha.c (print_operand): Handle it.
293 * alpha.md (fix_truncsfdi2): Use it. Add earlyclobber pattern
295 (fix_truncdfdi2): Likewise.
297 Sat Apr 4 17:42:05 1998 Richard Henderson <rth@cygnus.com>
299 * tree.h (sizetype_tab[2], sbitsizetype, ubitsizetype): Merge all
300 of these into a single struct, with additional [us]sizetype entries.
301 * stor-layout.c (set_sizetype): Initialize [us]sizetype.
302 * fold-const.c (size_int_wide): Don't rely on sizetype_tab being
305 Sat Apr 4 17:04:41 1998 Richard Henderson <rth@cygnus.com>
307 * configure.in (alpha-*-linux-*): Undo tm_file changes from gcc2 merge.
309 Sat Apr 4 13:50:01 1998 Richard Henderson <rth@cygnus.com>
311 * haifa-sched.c (split_block_insns): Don't supress insn splitting
312 on subsequent passes.
314 * alpha.c (hard_fp_register_operand): New function.
315 * alpha.h (PREDICATE_CODES): Add it.
316 * alpha.md (extendsidi2): Kill bogus f<-f cvtql+cvtlq case. Add an
317 f<-m case and accompanying define_split.
318 (trapb): Use a unique unspec_volatile number.
320 Sat Apr 4 13:32:08 1998 Richard Henderson <rth@cygnus.com>
322 * configure.in (alpha-*-linux-gnu*): Undo Feb 3 change brought in
325 Sat Apr 4 10:23:41 1998 Jeffrey A Law (law@cygnus.com)
327 * Check in merge from gcc2. See ChangeLog.11 and ChangeLog.12
330 * haifa-sched.c: Mirror recent changes from gcc2.
332 Fri Apr 3 00:17:01 1998 Jeffrey A Law (law@cygnus.com)
334 * Makefile.in (insn*.o): Depend on system.h.
336 * pa.c (output_global_address): Initialize base.
337 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Initialize index.
339 1998-04-03 Mike Stump <mrs@wrs.com>
341 * gthr.h: Support systems that don't have weak, but have threads.
342 * configure.in (*wrs-vxworks*): Use VxWorks threads by default.
343 * gthr-vxworks.h: New file.
344 * objc/thr-vxworks.h: Dummy file from thr-single.c for now.
346 Thu Apr 2 18:00:52 1998 Jim Wilson <wilson@cygnus.com>
348 * i386.md (movqi+1): Change alternative 1 from *r/r to *r/*rn.
350 1998-04-02 Vladimir N. Makarov <vmakarov@cygnus.com>
352 * ginclude/va-i960.h (va_end): Change void * to void.
354 Thu Apr 2 13:51:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
356 * Makefile.in (choose-temp.o): Depend on system.h.
358 * choose-temp.c: Include system.h when IN_GCC.
360 Thu Apr 2 02:37:07 1998 Joern Rennecke (amylaar@cygnus.co.uk)
361 Richard Henderson <rth@cygnus.com>
363 * reload.c (find_reloads_address): Try LEGITIMIZE_RELOAD_ADDRESS.
364 (move_replacements): New function.
365 * reload.h: Prototype it.
367 * alpha.h (LEGITIMIZE_RELOAD_ADDRESS): New definition.
369 Thu Apr 2 01:01:34 1998 Richard Henderson <rth@cygnus.com>
371 * configure (alpha-*-linuxecoff, alpha-*-linux-gnulibc1):
374 * emit-rtl.c (gen_lowpart_common): Skip count by HARD_REGNO_NREGS.
375 (gen_highpart): Likewise.
376 * final.c (alter_subreg): Allow the target to hook by-mode subreg
377 hard register number changes.
379 Wed Apr 1 22:26:22 1998 Jeffrey A Law (law@cygnus.com)
381 * fold-const.c optimze_bit_field_compare): Initialize rnbitpos,
382 rnbitsize, rnmode and rinner.
383 (make_range): Initialize type.
384 (fold): Initialize arg0, arg1 and varop.
386 * function.c (instantiate_virtual_regs_1): Initialize offset, regnoi
388 (expand_function_start): Initialize last_ptr.
390 * stor-layout.c (layout_record): Initialize desired_align.
391 (get_best_mode): Initialize unit.
393 * tree.c (copy_node): Initialize length.
395 * c-lex.c (yylex): Initialize traditional_type, ansi_type and type.
397 * caller-save.c (insert_save_restore): Initialize pat, code and
400 * emit-rtl.c (push_to_sequence): Initialize top.
401 (push_topmost_sequence): Likewise.
403 * genattrtab.c (simplify_by_exploding): Initialize defval.
405 * profile.c (branch_prob): Initialize dest.
407 * rtl.h (note_stores): Remove duplicate prototype.
408 (GEN_INT): Re-instate cast of second arg to HOST_WIDE_INT.
410 * cplus-dem.c (gnu_special): Don't get confused by .<digits>
411 strings that are not actually lengths.
413 * genattrtab.c: Make generated file use system.h, instead of
414 including stdio.h, etc directly.
415 * genextract.c, genopinit.c, genoutput.c: Likewise.
416 * genpeep.c, genrecog.c: Likewise
418 * genoutput.c (process_template): Mark operands in the generated
419 function as potentially unused if compiling with GNU CC.
421 * i386/freebsd-elf.h (CPP_PREDEFINES): Update from FreeBSD folks.
423 * pa.md (reload peepholes): Remove unused variable "mode".
425 Wed Apr 1 17:06:19 1998 Nick Clifton <nickc@cygnus.com>
427 * config/arm/thumb.h: Add super interworking support.
428 * config/arm/thumb.c: Add super interworking support.
429 * config/arm/thumb.md: Add super interworking support.
430 * config/arm/lib1funcs.asm: Add interworking support.
431 * config/arm/lib1thumb.asm: Add super interworking support.
432 * config/arm/t-semi: Add interworking support.
433 * config/arm/t-thumb: Add interworking support.
434 * config/arm/README-interworking: New file.
436 Wed Apr 1 14:38:10 1998 Jim Wilson <wilson@cygnus.com>
438 * config/mips/iris6.h (MD_EXEC_PREFIX): Set to /usr/bin/.
439 (MD_STARTFILE_PREFIX): Unset.
441 1998-04-01 Mark Mitchell <mmitchell@usa.net>
443 * varasm.c (make_decl_rtl): Update the DECL_ASSEMBLER_NAME for a
444 entity in a local scope.
446 * fold-const.c (fold): Call truthvalue_conversion for values which
447 are folded to boolean type.
449 Wed Apr 1 06:09:53 1998 Jeffrey A Law (law@cygnus.com)
451 * 1750a.md, arm.c, clipper.c, clipper.md: Use GEN_INT consistently.
452 * convex.h, dsp16xx.c, fx80.md, gmicro.c, gmicro.md: Likewise.
453 * i370.h, i370.md, i860.c, i860.h, i860.md, i960.c: Likewise.
454 * i960.h, i960.md, m32r.md, m68k.md, m68kv4.h, m88k.c: Likewise.
455 * m88k.md, ns32k.c, ns32k.md, pdp11.c, pdp11.h, pdp11.md: Likewise.
456 * pyr.c, pyr.h, pyr.md, romp.c, romp.h, romp.md: Likewise.
457 * rs6000.md, sparc.c, sparc.h, sparc.md, spur.c, spur.md: Likewise.
458 * tahoe.md, vax.h, vax.md, we32k.c, we32k.h, we32k.md: Likewise.
461 Wed Apr 1 08:33:44 1998 Manfred Hollstein <manfred@s-direktnet.de>
463 * fixincludes (limits.h): Fix nested comments in Motorola's
464 limits.h and sys/limits.h.
466 Tue Mar 31 16:57:33 1998 Jim Wilson <wilson@cygnus.com>
468 * alpha.c (alpha_expand_unaligned_load): Use tgt instead of addr
469 as dest of expand_binop call.
471 * alpha.md (extzv): Correct check for valid operand[2] values.
473 * profile.c (branch_prob): Add code to recognize HPPA tablejump entry
476 * toplev.c (rest_of__compilation): Call init_recog_no_volatile at end.
478 Mon Mar 30 13:11:05 1998 Stan Cox <scox@cygnus.com>
480 * libgcc2.c: (__main, __do_global_dtors, __do_global_ctors):
481 For __CYGWIN32__ use the versions in winsup/dcrt0.cc.
483 * gcc.c, cccp.c, cpplib.c, collect2.c (GET_ENVIRONMENT): Added.
484 cygwin32 can override this to allow both unix and win32 style PATHs.
486 * i386/xm-cygwin32.h (GET_ENVIRONMENT): Defined to allow win32
487 style environment paths.
489 Mon Mar 30 14:43:20 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
491 * Makefile.in (cppalloc.o, cpperror.o, cppexp.o, cpphash.o,
492 cpplib.o, cppmain.o, fix-header.o, gcov.o, gen-protos.o,
493 gengenrtl.o, halfpic.o, hash.o, scan-decls.o, scan.o): Depend on
496 * cpphash.c: Include config.h.
497 * cppalloc.c: Include system.h. Add parameters to various
499 * cpperror.c: Likewise.
500 * cppexp.c: Likewise.
501 * cpphash.c: Likewise.
502 * cpplib.c: Likewise.
503 * cppmain.c: Likewise.
504 * fix-header.c: Likewise.
506 * gen-protos.c: Likewise.
507 * gengenrtl.c: Likewise.
508 * halfpic.c: Likewise.
510 * scan-decls.c: Likewise.
513 Mon Mar 30 11:06:45 1998 Jim Wilson <wilson@cygnus.com>
515 * README.gnat: Add lang_print_xnode definition.
517 Mon Mar 30 11:12:24 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
519 * config/m68k/m68k.c (standard_68881_constant_p): Don't use
520 fmovecr on the 68060.
522 Mon Mar 30 00:21:03 1998 Jeffrey A Law (law@cygnus.com)
524 * genemit.c (DONE): Rework so that it works in the true arm if
525 an if-else conditional.
528 Sun Mar 29 12:45:23 1998 Jeffrey A Law (law@cygnus.com)
530 * rs6000.c: Do not include stdioh or ctype.h anymore.
532 * Makefile.in (c-typeck.o): Delete on expr.h, insn-codes.h and
534 (stor-layout.o): Likewise.
535 * c-typeck.c: Include rtl.h and expr.h.
536 * stor-layout.c: Likewise.
538 * cpplib.c (cpp_file_line_for_message): Delete unused parameter.
540 (do_sccs): Wrap in an SCCS_DIRECTIVE ifdef.
541 * fix-header.c (cpp_file_line_for_message): Delete unused paramter.
544 * collect2.c (is_in_list): Wrap inside COLLECT_EXPORT_LIST ifdef.
546 * local-alloc.c (reg_classes_overlap_p): Delete dead function.
548 * tree.h (lang_print_xnode): Provide prototype.
550 Sat Mar 28 23:50:44 PST 1998 Jeff Law (law@cygnus.com)
552 * version.c: Bump for snapshot.
554 Sun Mar 29 00:42:21 1998 Jeffrey A Law (law@cygnus.com)
556 * objc/sendmsg.c (__objc_block_forward): Add braces for return
557 value if INVISIBLE_STRUCT_RETURN.
559 * pa.c (arith_double_operand): Fix parens.
561 * haifa-sched.c (print_pattern): Correct arg to sprintf.
563 * Makefile.in (libgcc1.null): Make return type for __foo void.
565 Sat Mar 28 14:37:20 1998 Jeffrey A Law (law@cygnus.com)
567 * pa.h: Add declarations for many functions defined in pa.c.
569 * genpeep.c (main): Remove unused variable 'i' from the generated
572 * genemit.c (gen_expand): Do not emit "_done" or "_fail" labels.
573 (gen_split): Likewise.
574 (main): Rework generated definitions of DONE and FAIL so that they
575 no longer use gotos. Avoids warnings about unused labels.
577 * integrate.c (copy_rtx_and_substitute): Rework to avoid need for
578 unused "junk" variable.
580 * genattrtab.c (write_complex_function): Add a default case in
581 generated switch statement to keep -W -Wall quiet.
583 Sat Mar 28 10:47:21 1998 Nick Clifton <nickc@cygnus.com>
585 * invoke.texi: Document more ARM and Thumb command line options.
587 * config/arm/xm-thumb.h: New file.
589 Sat Mar 28 01:37:33 1998 Craig Burley <burley@gnu.ai.mit.edu>
591 * stmt.c (expand_expr_stmt): Must generate code for
592 statements within an expression (gcc's `({ ... )}')
593 even if -fsyntax-only.
595 Sat Mar 28 01:06:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
596 Jeffrey A Law (law@cygnus.com)
598 * basic-block.h (basic_block_computed_jump_target): Declare.
599 * flags.h: (current_function_has_computed_jump): Declare.
600 * flow.c: (basic_block_computed_jump_target): Define.
601 (flow_analysis): Allocate it. Set current_function_has_computed_jump
603 (find_basic_blocks): Set current_function_has_computed_jump and
604 elements of basic_block_computed_jump_target to 1 as appropriate.
605 * function.c: (current_function_has_computed_jump): Define.
606 * global.c (global_conflicts): Don't allocate pseudos into stack regs
607 at the start of a block that is reachable by a computed jump.
608 * reg-stack.c (stack_reg_life_analysis): If must restart, do so
610 (subst_stack_regs): Undo change from Sep 4 1997.
611 (uses_reg_or_mem): Now unused, deleted.
612 * stupid.c (stupid_life_analysis): Compute
613 current_function_has_computed_jump.
614 (stupid_find_reg): Don't allocate stack regs if the function has a
616 * haifa-sched.c (is_cfg_nonregular): Delete code to determine if
617 the current function has a computed jump. Use the global value
620 Sat Mar 28 00:21:37 1998 Jeffrey A Law (law@cygnus.com)
622 * i386/freebsd.h (CPP_PREDEFINES): Remove __386BSD__.
623 (DWARF2_UNWIND_INFO): Define to zero.
625 Fri Mar 27 16:04:49 1998 Michael Meissner <meissner@cygnus.com>
627 * gcc.c (set_std_prefix): Add declaration.
628 (process_command): If GCC_EXEC_PREFIX is set, remove /lib/gcc-lib/
629 suffix, and update the standard prefix prefix.c uses.
631 * prefix.c (std_prefix): New global to hold default prefix value.
632 (get_key_value): Change to use std_prefix instead of PREFIX.
633 (translate_name): Ditto.
634 (update_path): Ditto.
635 (get_key_value): Release allocated scratch storage.
636 (set_std_prefix): New function to reset the standard prefix.
638 Fri Mar 27 18:08:21 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
640 * sh.c (find_barrier): Fix calculations for alignment increase.
642 Fri Mar 27 08:56:52 1998 Manfred Hollstein <manfred@s-direktnet.de>
644 * Makefile.in (stmp-fixinc): If we're actually fixing include
645 files, copy gcc's assert.h into the fixed include dir.
646 * fixincludes (assert.h): Avoid any attempts to fix a probably
647 broken system specific assert.h file.
648 * fixproto (stdlib.h): Make sure, it'll contain a definition of
651 Fri Mar 27 00:49:46 1998 Jeffrey A Law (law@cygnus.com)
653 * regclass.c (reg_scan_mark_refs): Be more selective about
654 when we mark a register with REGNO_POINTER_FLAG.
656 Thu Mar 26 23:00:11 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
658 reload inheritance improvement:
659 * reload1.c (reg_reloaded_contents, reg_reloaded_insn):
660 Change meaning: index is now hard reg number.
661 (reg_reloaded_valid, reg_reloaded_dead): New variables.
662 (reload_spill_index): Content is now a hard reg number.
663 (reload_as_needed): Change to fit new variable meaning.
664 (forget_old_reloads_1, allocate_reload_reg): Likewise.
665 (choose_reload_regs, emit_reload_insns): Likewise.
667 Thu Mar 26 18:34:13 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
669 * regclass.c (record_reg_classes): '?' increases cost by two.
671 * reload.c (find_reloads): Double previous costs. Output
672 reloads cost one unit extra.
674 * reload1.c (eliminate_regs): Delete LOAD_EXTENDED_OP code that
675 boiled down to && ! 0.
677 * reload.c (find_equiv_reg): Also consider a goal offset from the
678 frame pointer to be constant.
680 Thu Mar 26 17:34:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
682 * sh.h (OPTIMIZATION_OPTIONS): Define.
684 Thu Mar 26 00:19:47 1998 Richard Henderson <rth@cygnus.com>
686 * combine.c (make_compound_operation): Simplify (subreg (*_extend) 0).
688 Wed Mar 25 23:53:11 1998 Jeffrey A Law (law@cygnus.com)
690 * pa.c (pa_adjust_cost): Avoid redundant calls to get_attr_type.
692 Wed Mar 25 13:40:48 1998 Jim Wilson <wilson@cygnus.com>
694 * c-common.c (check_format_info): Initialize type, is_type. New local
695 integral_format. Don't warn for 'L' when pedantic. Do warn for 'L'
696 when pedantic if used with integral format specifier.
698 Wed Mar 25 16:09:01 1998 Michael Meissner <meissner@cygnus.com>
700 * rs6000.h (FUNCTION_ARG_PADDING): Cast result to be enum
702 (function_arg_padding): Declare.
704 * rs6000.c: Include system.h.
705 (function_arg_padding): Change return type to int, cast enum's to
708 (From Kaveh R. Ghazi <ghazi@caip.rutgers.edu>)
709 * collect2.c (scan_prog_file): Add explicit braces to avoid
712 * dbxout.c (dbxout_type_fields): Add braces around empty body in
714 (dbxout_type): Likewise.
716 * rs6000.c (rs6000_override_options): Change type of `i', `j' and
717 `ptt_size' from int to size_t.
718 (rs6000_file_start): Likewise for `i'.
719 (rs6000_replace_regno): Add default case in enumeration switch.
720 (output_epilog): Remove unused variable `i'.
721 (rs6000_longcall_ref): Remove unused variables `len', `p', `reg1'
724 * rs6000.h (ADDITIONAL_REGISTER_NAMES): Add missing braces around
726 (get_issue_rate, non_logical_cint_operand): Add prototype.
727 (rs6000_output_load_toc_table): Ditto.
729 * rs6000.md (udivmodsi4): Add explicit braces to avoid ambiguous
732 Wed Mar 25 10:05:19 1998 Nick Clifton <nickc@cygnus.com>
734 * config/arm/thumb.c: New File. Support for ARM's Thumb
736 * config/arm/thumb.h: New File. Thumb definitions.
737 * config/arm/thumb.md: New File. Thumb machine description.
738 * config/arm/tcoff.h: New File. Thumb COFF support.
739 * config/arm/t-thumb: New File. Thumb makefile fragment.
740 * config/arm/lib1thumb.asm: New File. Thumb libgcc support functions.
742 * configure.in: Add Thumb-coff target.
743 * configure: Add Thumb-coff target.
744 * config.sub: Add Thumb-coff target.
746 Wed Mar 25 10:30:32 1998 Jim Wilson <wilson@cygnus.com>
748 * loop.c (scan_loop): Initialize move_insn_first to zero.
750 Wed Mar 25 01:06:49 1998 Joel Sherrill (joel@OARcorp.com)
752 * config/i386/go32-rtems.h: Defined TARGET_MEM_FUNCTIONS.
753 * config/i386/rtems.h: Likewise.
754 * config/i960/rtems.h: Likewise.
755 * config/m68k/rtems.h: Likewise.
756 * config/mips/rtems64.h: Likewise.
757 * config/pa/rtems.h: Likewise.
758 * config/rs6000/rtems.h: Likewise.
759 * config/sh/rtems.h: Likewise.
760 * config/sparc/rtems.h: Likewise.
762 Wed Mar 25 00:57:26 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
764 * pa.c (emit_move_sequence): If in reload, call find_replacement.
766 Tue Mar 24 10:44:11 1998 Nick Clifton <nickc@cygnus.com>
768 * Makefile.in (gcov$(exeext)): Support .exe extension to gcov.
770 * collect2.c (find_a_file): Add debugging.
771 (find_a_file): Test for win32 style absolute paths if
772 DIR_SERPARATOR is defined.
773 (prefix_from_string): Add debugging.
774 (main): Test for debug command line switch at start of program
776 (main): Use GET_ENVIRONMENT rather than getenv().
777 (prefix_from_env): Use GET_ENVIRONMENT.
779 1998-03-24 Mark Mitchell <mmitchell@usa.net>
781 * cplus-dem.c (optable): Add sizeof.
782 (demangle_template_value_parm): New function containing code
783 previously found in demangle_template.
784 (demangle_integral_value): New function which handles complicated
785 integral expressions.
786 (demangle_template): Use them.
788 Tue Mar 24 12:13:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
790 * Makefile.in (genconfig.o, genflags.o, gencodes.o, genemit.o,
791 genopinit.o, genrecog.o, genextract.o, genpeep.o, genattr.o,
792 genattrtab.o, genoutput.o): Depend on system.h.
794 * genattr.c: Include system.h. Add arguments to various function
795 prototypes. Remove redundant prototype of read_rtx().
796 * genattrtab.c: Likewise.
797 * gencodes.c: Likewise.
798 * genconfig.c: Likewise.
799 * genemit.c: Likewise.
800 * genextract.c: Likewise.
801 * genflags.c: Likewise.
802 * genopinit.c: Likewise.
803 * genoutput.c: Likewise.
804 * genpeep.c: Likewise.
805 * genrecog.c: Likewise.
807 1998-03-24 Martin von Loewis <loewis@informatik.hu-berlin.de>
809 * c-lang.c (lang_print_xnode): New function.
810 * objc/objc-act.c (lang_print_xnode): Likewise.
811 * print-tree.c (print_node): Call it
813 Mon Mar 23 23:59:11 1998 H.J. Lu (hjl@gnu.org)
815 * c-parse.in: Recognize protocol qualifiers in class
816 definitions for objc.
818 (yyerror): Remove redundant decl.
819 (yyprint): Fix prototype.
821 Mon Mar 23 23:49:47 1998 Jeffrey A Law (law@cygnus.com)
823 * cse.c (rtx_cost): Only call CONST_COSTS if it is defined.
825 * stmt.c (unroll_block_trees): Free block_vector if needed.
827 Mon Mar 23 23:26:42 1998 Philippe De Muyter <phdm@macqel.be>
829 * m68k/m68k.md (zero_extendqidi2, zero_extendhidi2): New patterns.
830 (zero_extendsidi2): Avoid useless copy.
831 (iordi_zext): New pattern.
832 (iorsi_zexthi_ashl16): Pattern reworked to avoid "0" constraint for
834 (iorsi_zext): New name for old unnamed pattern; indentation fixes.
836 * m68k/m68k.md (ashldi_const): Allow shift count in range ]32,63].
837 (ashldi3): Allow constant shift count in range ]32,63].
838 (ashrdi_const, ashrid3, lshrdi_const, lshrdi3): Likewise.
840 1998-03-22 Mark Mitchell <mmitchell@usa.net>
842 * tree.h (IS_EXPR_CODE_CLASS): New macro.
844 Mon Mar 23 23:18:48 1998 Jeffrey A Law (law@cygnus.com)
846 * h8300.h (CONST_COSTS): Remove definition.
847 (DEFAULT_RTX_COSTS): Define.
849 Mon Mar 23 22:58:22 1998 Joel Sherrill (joel@OARcorp.com)
851 * config/sh/rtems.h: Switched from ELF to COFF.
853 Mon Mar 23 14:14:20 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
855 * freebsd.h (ASM_OUTPUT_ALIGN): Redefine.
857 Sat Mar 21 23:52:56 PST 1998 Jeff Law (law@cygnus.com)
859 * version.c: Bump for snapshot.
861 Sun Mar 22 00:50:42 1998 Nick Clifton <nickc@cygnus.com>
862 Geoff Noer <noer@cygnus.com>
864 * Makefile.in: Various fixes for building cygwin32 native toolchains.
866 * objc/Makefile.in: Various fixes for building cygwin32 native toolchains.
867 * objc/Make-lang.in: Likewise.
869 * config/i386/xm-cygwin32.h (PATH_SEPARATOR): Set to a semi-colon.
871 Sun Mar 22 00:21:46 1998 R. Ganesan <rganesan@novell.com>
873 * configure.in: Handle with-PACKAGE=no correctly
875 Fri Mar 20 17:36:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
877 * Makefile.in (alias.o, bitmap.o, c-aux-info.o, c-common.o,
878 c-decl.o, c-iterate.o, c-lang.o, c-lex.o, c-pragma.o, c-typeck.o,
879 caller-save.o, calls.o, collect2.o, combine.o, cse.o, dbxout.o,
880 dwarf2out.o, dwarfout.o, emit-rtl.o, except.o, explow.o, expmed.o,
881 expr.o, final.o, flow.o, function.o, getpwd.o, global.o,
882 integrate.o, jump.o, local-alloc.o, loop.o, optabs.o, pexecute.o,
883 prefix.o, print-rtl.o, print-tree.o, profile.o, real.o, recog.o,
884 reg-stack.o, regclass.o, regmove.o, reload.o, reload1.o, reorg.o,
885 rtl.o, rtlanal.o, sdbout.o, stmt.o, stor-layout.o, stupid.o,
886 tlink.o, toplev.o, tree.o, unroll.o, varasm.o, xcoffout.o): Depend
889 * alias.c, bitmap.c, c-aux-info.c, c-common.c, c-decl.c,
890 c-iterate.c, c-lang.c, c-lex.c, c-pragma.c, c-typeck.c,
891 caller-save.c, calls.c, collect2.c, combine.c, cse.c, dbxout.c,
892 dwarf2out.c, dwarfout.c, emit-rtl.c, except.c, explow.c, expmed.c,
893 expr.c, final.c, flow.c, function.c, gcc.c, getpwd.c, global.c,
894 integrate.c, jump.c, local-alloc.c, loop.c, optabs.c, pexecute.c,
895 prefix.c, print-rtl.c, print-tree.c, profile.c, real.c, recog.c,
896 reg-stack.c, regclass.c, regmove.c, reload.c, reload1.c, reorg.c,
897 rtl.c, rtlanal.c, sched.c, sdbout.c, stmt.c, stor-layout.c,
898 stupid.c, tlink.c, toplev.c, tree.c, unroll.c, varasm.c,
899 xcoffout.c: Include system.h. Organize include ordering so
900 that stdarg/varargs comes before other system headers. Remove
901 spurious casts of functions assured of a prototype in system.h.
903 Fri Mar 20 11:19:40 1998 Stan Cox <scox@equinox.cygnus.com>
905 * reg-stack.c (pop_stack): Define. Pops any register on the
906 regstack and adjusts regstack.
907 (compare_for_stack_reg): Use pop_stack.
909 Thu Mar 19 23:51:01 1998 Jeffrey A Law (law@cygnus.com)
911 * configure.in (hppa1.0-hp-hpux10): Handle threads for this
914 Thu Mar 19 20:30:31 1998 Philippe De Muyter <phdm@macqel.be>
916 * libgcc2.c (exit): Do not call __bb_exit_func if HAVE_ATEXIT.
918 * fold-const.c (fold): Replace sign-extension of a zero extended
919 value by a single zero extension.
921 Thu Mar 19 00:58:07 1998 Jason Merrill <jason@yorick.cygnus.com>
923 * except.c (init_eh): Do nothing.
924 (save_eh_status): Call init_eh_for_function, not init_eh.
925 * function.c (push_function_context_to): Don't call init_emit.
927 Thu Mar 19 13:39:52 1998 Michael Meissner <meissner@cygnus.com>
929 * rs6000/sysv4.h (RELATIVE_PREFIX_NOT_LINKDIR): Undef for System V
932 Thu Mar 19 10:10:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
934 * final.c (shorten_branches): Add parentheses around +/- in
937 * flow.c (life_analysis): Wrap variable `i' in macro ELIMINABLE_REGS.
939 Thu Mar 19 09:15:17 1998 Manfred Hollstein <manfred@s-direktnet.de>
941 * regclass.c (memory_move_secondary_cost): Wrap uses of
942 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS
945 Thu Mar 19 09:06:35 1998 Manfred Hollstein <manfred@s-direktnet.de>
947 * config/m68k/m68k.md (addqi3): Fix typo gen_INT vs. GEN_INT.
949 * flow.c (life_analysis): #include <sys/types.h> to make sure
951 * cplus-dem.c (demangle_function_name): Likewise.
953 Thu Mar 19 09:00:01 1998 Manfred Hollstein <manfred@s-direktnet.de>
955 * final.c (insn_noperands): Change type to unsigned int.
956 (final_scan_insn): Likewise for noperands;
957 properly check operand number boundaries.
959 Wed Mar 18 16:20:30 1998 Richard Henderson <rth@cygnus.com>
961 * alpha.md (extzv): Don't reject register operands. Fix
964 Wed Mar 18 16:14:23 1998 Richard Henderson <rth@cygnus.com>
966 * dbxout.c (dbxout_function_end): Fix last change. The correct
967 predicate is ASM_OUTPUT_SECTION_NAME.
969 Wed Mar 18 12:43:20 1998 Jim Wilson <wilson@cygnus.com>
971 * sh.md (ashlsi_c-1): Delete 3rd argument to gen_ashlsi_c.
972 (ashlsi): Use match_dup 1 instead of match_operand 2.
974 Wed Mar 18 13:46:07 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
976 * fold-const.c (operand_equal_for_comparison_p): See if equal
977 when nop conversions are removed.
979 Wed Mar 18 13:42:01 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
981 * expr.c (expand_expr, case COND_EXPR): If have conditional move,
982 don't use ORIGINAL_TARGET unless REG.
984 Wed Mar 18 16:53:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
986 * netbsd.h (ASM_OUTPUT_ALIGN): Redefine.
988 Wed Mar 18 12:43:20 1998 Jim Wilson <wilson@cygnus.com>
990 * loop.c (struct movable): New field move_insn_first.
991 (scan_loop): In consec sets code, set it. Clear it otherwise.
992 (move_movables): In consec sets code, use it. Copy REG_NOTES from
993 p to i1 only if i1 does not have REG_NOTES. Delete obsolete ifdefed
996 Wed Mar 18 09:52:56 1998 Richard Henderson <rth@cygnus.com>
998 * rtl.c (read_rtx): Fall back on homebrew atoll if HOST_WIDE_INT
999 is large, and the system doesn't provide atoll or atoq.
1002 * alpha/xm-vms.h (HAVE_ATOLL): Define.
1003 Reported by Klaus Kaempf <kkaempf@progis.de>.
1005 Wed Mar 18 09:56:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1007 * c-lang.c (finish_file): Wrap variable `void_list_node' with macro
1008 test !ASM_OUTPUT_CONSTRUCTOR || !ASM_OUTPUT_DESTRUCTOR.
1010 * calls.c (emit_call_1): Wrap variable `already_popped' with macro
1011 test !ACCUMULATE_OUTGOING_ARGS.
1013 * collect2.c (write_c_file_glob): Wrap function definition in
1014 macro test !LD_INIT_SWITCH.
1016 * combine.c (try_combine): Wrap variables `cc_use' and
1017 `compare_mode' in macro test EXTRA_CC_MODES.
1019 * cpplib.c (do_ident): Remove unused variable `len'.
1020 (skip_if_group): Remove unused variables `at_beg_of_line' and
1022 (cpp_get_token): Remove unused variable `dummy'.
1024 * dbxout.c (scope_labelno): Move static variable definition inside
1025 the one function scope where it is used.
1026 (dbxout_function_end): Wrap prototype and definition in
1027 macro test !NO_DBX_FUNCTION_END.
1029 * dwarf2out.c (add_subscript_info): Wrap variable `dimension_number'
1030 in macro test !MIPS_DEBUGGING_INFO.
1032 * expr.c (expand_builtin_setjmp): Move declaration of variable `i'
1033 into the scope where it is used. Wrap empty else-statement body
1036 * fix-header.c: Fix typo in comment.
1037 (inf_skip_spaces): Cast results of INF_UNGET to (void).
1038 (check_protection, main): Likewise.
1040 * flow.c (find_basic_blocks_1): Remove dangling comment text.
1042 * function.c (contains): Wrap prototype and definition in macro
1043 test HAVE_prologue || HAVE_epilogue.
1044 (fixup_var_refs_1): Remove unused variable `width'.
1046 * gen-protos.c (main): Remove unused variable `optr'.
1048 * haifa-sched.c (debug_control_flow): Remove unused variable `j'.
1050 * libgcc2.c (__udiv_w_sdiv): Provide dummy return value of 0.
1051 (__sjpopnthrow): Remove unused variable `jmpbuf'.
1052 (__throw): Remove unused variable `val'.
1054 * protoize.c: Check for a previously existing definition before
1055 defining *_OK macros.
1057 * scan-decls.c (scan_decls): Remove unused variable `old_written'.
1059 Tue Mar 17 00:45:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1061 * vax.h (ADDR_VEC_ALIGN): Define.
1063 Mon Mar 16 15:57:17 1998 Michael Meissner <meissner@cygnus.com>
1065 * gcc.c (default_arg): Don't wander off the end of allocated
1068 (From Geoffrey Keating <geoffk@ozemail.com.au>)
1069 * rs6000.c (small_data_operand): Ensure that any address
1070 referenced relative to the small data area is inside the SDA.
1072 Mon Mar 16 12:55:15 1998 Jim Wilson <wilson@cygnus.com>
1074 * config/m68k/netbsd.h (ASM_SPEC): Add %{m68060}.
1076 Mon Mar 16 15:50:20 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1078 * except.h (in_same_eh_region): New prototype.
1079 (free_insn_eh_region, init_insn_eh_region): New prototypes.
1080 * except.c (insn_eh_region, maximum_uid): New static variables.
1081 (set_insn_eh_region): New static function to set region numbers.
1082 (free_insn_eh_region): New function to free EH region table.
1083 (init_insn_eh_region): New function to initialize EH region table.
1084 (in_same_eh_region): New function used to determine if two rtl
1085 instructions are in the same exception region or not.
1086 * final.c (final): Initialize the table indicating which instructions
1087 belong in which exception region.
1088 * genpeep.c (main): Add "except.h" to include file list in generated
1090 * config/sparc/sparc.md: Add calls to 'in_same_eh_region' in 4
1091 peepholes involving calls and unconditional branches.
1093 Mon Mar 16 11:16:50 1998 Jim Wilson <wilson@cygnus.com>
1095 * README.gnat: New file.
1097 Mon Mar 16 11:14:20 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1099 * config/m68k/m68k.c: Include <stdlib.h> for atoi. Include
1100 "recog.h" for offsettable_memref_p.
1101 (legitimize_pic_address): Remove unused variable `offset'.
1102 (notice_update_cc): Change return type to void. Add default label
1104 (standard_68881_constant_p): Remove unused variable mode.
1105 (print_operand): Define local variable i only if SUPPORT_SUN_FPA.
1106 (const_int_cost): Explicitly declare as returning int.
1107 (output_dbcc_and_branch): Change return type to void.
1109 * config/m68k/linux.h, config/m68k/m68k.md, config/m68k/m68k.c,
1110 config/m68k/m68k.h: Replace gen_rtx (XXX, ...) with gen_rtx_XXX
1111 (...). Use GEN_INT instead of gen_rtx_CONST_INT.
1113 Sun Mar 15 22:30:44 PST 1998 Jeff Law (law@cygnus.com)
1115 * version.c: Bump for snapshot.
1117 Fri Mar 13 11:30:12 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1119 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Fix logic in range
1120 check for 'M' constraint.
1122 Thu Mar 12 14:47:14 1998 Jim Wilson <wilson@cygnus.com>
1124 * cccp.c (create_definition): If pedantic, call pedwarn for macro
1127 Thu Mar 12 13:43:25 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1129 * i386.c (ix86_logical_operator): New function.
1130 (split_di): Ensure that when a MEM is split, the resulting MEMs have
1132 * i386.md (anddi3, xordi3, iordi3): New patterns. Add a define_split
1135 Thu Mar 12 15:13:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1136 Richard Earnshaw <rearnsha@arm.com>
1137 Nick Clifton <nickc@cygnus.com>
1139 * tm.texi (DEFAULT_RTX_COSTS): Document new macro.
1141 * arm.h (DEFAULT_RTX_COSTS): Define instead of RTX_COSTS.
1143 * cse.c (rtx_cost): Provide a default case in an enumeration
1144 switch, and call DEFAULT_RTX_COSTS if it's defined.
1146 Thu Mar 12 10:02:38 1998 Manfred Hollstein <manfred@s-direktnet.de>
1148 * basic-block.h (compute_preds_succs): Change return type in
1150 * flow.c (compute_preds_succs): Likewise in function definition.
1152 * regmove.c (find_matches): Cast char used as array index to unsigned char
1155 Thu Mar 12 09:39:40 1998 Manfred Hollstein <manfred@s-direktnet.de>
1157 * i386.h (RTX_COSTS): Insert braces around nested if.
1158 (ADDITIONAL_REGISTER_NAMES): Insert braces around structured
1161 * gcc.c (default_compilers): Properly put brackets around array elements in
1164 * getopt.c (_getopt_internal): Add explicit braces around nested if;
1167 * reg-stack.c (record_asm_reg_life): Add explicit braces around nested if's.
1168 (record_reg_life_pat): Add explicit parens around && and || in expression.
1169 (stack_reg_life_analysis): Add parens around assignment used as expression.
1170 (convert_regs): Likewise.
1172 Thu Mar 12 09:25:29 1998 Manfred Hollstein <manfred@s-direktnet.de>
1174 * bitmap.c (bitmap_element_allocate): Remove unused parameter;
1175 change callers accordingly.
1177 * cplus-dem.c (arm_special): Remove unused parameter work in prototype
1178 and definition; change all callers accordingly.
1180 * except.c (init_eh): Avoid assignment of unused return value of
1181 build_pointer_type; cast it to void, instead, and remove unused
1184 * gcc.c (lang_specific_driver): Define prototype only #ifdef
1185 LANG_SPECIFIC_DRIVER.
1186 (temp_names): Define only #ifdef MKTEMP_EACH_FILE.
1188 * genoutput.c (output_epilogue): Initialize next_name to 0.
1190 * real.c (efrexp): #if 0 prototype and function definition.
1191 (eremain): Likewise.
1198 * reload.c (push_secondary_reload): Define prototype only
1199 #ifdef HAVE_SECONDARY_RELOADS.
1201 * varasm.c (assemble_static_space): Define rounded only
1202 #ifndef ASM_OUTPUT_ALIGNED_LOCAL.
1204 Thu Mar 12 09:11:35 1998 Manfred Hollstein <manfred@s-direktnet.de>
1206 * i386.md (andsi): Add default case in enumeration switch.
1211 Thu Mar 12 08:37:02 1998 Manfred Hollstein <manfred@s-direktnet.de>
1213 * c-decl (finish_struct): Change type of min_align to unsigned.
1215 * cplus-dem.c (demangle_function_name): Change type of variable i to size_t;
1216 remove unused variable len.
1218 * dwarf2out.c (reg_save): Add explicit cast of -1 to unsigned and a
1219 comment indicating this is proper behaviour.
1220 (reg_loc_descriptor): Remove redundant comparison of unsigned variable
1222 (based_loc_descr): Likewise.
1224 * enquire.c (bitpattern): Change type of variable i to unsigned.
1226 * final.c (output_asm_insn): Don't cast insn_noperands to unsigned.
1228 * flow.c (life_analysis): Change type of variable i to size_t;
1229 remove unused variable insn.
1231 * gcc.c (translate_options): Change type of variables optlen, arglen and
1233 (input_filename_length): Change type to size_t.
1234 (do_spec_1): Change type of variable bufsize to size_t.
1235 (main): Change type of variables i and j to size_t;
1236 remove subblock local definition of variable i.
1237 (lookup_compiler): Change type of second argument to size_t;
1238 change type of variable i to size_t.
1240 * genemit.c (output_init_mov_optab): Change type of variable i to size_t.
1242 * genopinit.c (get_insn): Change type of variable pindex to size_t.
1244 * genrecog.c (add_to_sequence): Change type of variable i to size_t.
1246 * global.c (global_alloc): Change type of variable i to size_t.
1248 * regclass.c (init_reg_sets): Change type of variables i and j to unsigned.
1250 * stmt.c (expand_end_bindings): Change type of variable i to size_t.
1251 (expand_end_case): Change type of variable count to size_t.
1253 * toplev.c (main): Change type of variable j to size_t.
1254 (set_target_switch): Change type of variable j to size_t.
1255 (print_switch_values): Change type of variable j to size_t;
1256 remove unused variable flags.
1258 * varasm.c (assemble_variable): Change type of variable align to size_t.
1259 (const_hash_rtx): Change type of variable i to size_t.
1261 1998-03-11 Mark Mitchell <mmitchell@usa.net>
1263 * dbxout.c (dbxout_type_methods): Only treat TYPE_METHODS as a
1264 TREE_VEC if that's what it really is.
1266 Wed Mar 11 15:16:01 1998 Michael Meissner <meissner@cygnus.com>
1268 * {haifa-,}sched.c (rank_for_schedule): Only take void * arguments
1271 Wed Mar 11 12:05:20 1998 Teemu Torma <tot@trema.com>
1273 * gthr.h: Changed the comment about return values.
1274 * gthr-solaris.h (__gthread_once): Do not use errno; return the
1275 error number instead of -1.
1276 (__gthread_key_create): Any non-zero return value is an error.
1277 * libgcc2.c (eh_context_initialize): Check for non-zero return
1278 value from __gthread_once.
1279 Check that the value of get_eh_context was really changed.
1281 Wed Mar 11 18:26:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1283 * sh.h (LOOP_ALIGN): Only align when optimizing.
1284 * sh.c (find_barrier): Clear inc for CODE_LABELs.
1285 When not optimizing, calculate alignment for BARRIERs directly.
1287 Wed Mar 11 15:07:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1289 * final.c (shorten_branches): Remove conditionalizing on
1290 SHORTEN_WITH_ADJUST_INSN_LENGTH
1291 * sh.h, pa.h (SHORTEN_WITH_ADJUST_INSN_LENGTH): Remove.
1293 Wed Mar 11 02:37:41 1998 Jeffrey A Law (law@cygnus.com)
1295 * flow.c (find_basic_blocks_1): Keep the cfg accurate when removing
1296 an unconditional jump around deleted blocks.
1298 Mon Mar 9 12:02:23 1998 Jim Wilson <wilson@cygnus.com>
1300 * profile.c (branch_prob): If see computed goto, call fatal instead of
1303 * config/mips/sni-svr4.h (CPP_PREDEFINE): Add -DSNI and -Dsinix.
1305 * configure.in (alpha-dec-osf): Add default case for osf* to switch.
1306 Patch from Bruno Haible.
1308 * function.c (put_reg_into_stack): Copy MEM_IN_STRUCT_P from new.
1309 (assign_parms): Set aggregate if hide_last_arg and last_named.
1311 Mon Mar 9 19:57:56 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1313 * final.c (shorten_branches): Initialize insn_addresses.
1315 Mon Mar 9 14:10:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1317 * sh.h (MUST_PASS_IN_STACK): Define.
1319 Sun Mar 8 13:01:56 1998 Jeffrey A Law (law@cygnus.com)
1321 * final.c (shorten_branches): Fix minor logic error in
1322 ADDR_DIFF_VEC shortening support.
1324 Sun Mar 8 02:17:42 PST 1998 Jeff Law (law@cygnus.com)
1326 * version.c: Bump for snapshot.
1328 Sat Mar 7 00:54:15 1998 Jeffrey A Law (law@cygnus.com)
1330 * haifa-sched.c (is_cfg_nonregular): Change return type to
1331 an int. No longer compute "estimated" number of edges. Use
1332 computed_jump_p instead of duplicating the code. Fixup/add
1334 (build_control_flow): Returns a value indicating an irregularity
1335 in the cfg was detected. Count the number of edges in the cfg.
1336 allocate various edge tables.
1337 (find_rgns): No longer look for unreachable blocks.
1338 (schedule_insns): Do not allocate memory for edge tables here.
1339 Free memory for edge tables before returning. Do not perform
1340 cross block scheduling if build_control_flow returns nonzero.
1341 * flow.c (compute_preds_succs): More accurately determine when
1344 * basic-block.h (free_basic_block_vargs): Provide prototype.
1346 * cccp.c (main): Fix dumb mistakes in last change.
1348 Fri Mar 6 21:28:45 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1350 * rtl.h (addr_diff_vec_flags): New typedef.
1351 (union rtunion_def): New member rt_addr_diff_vec_flags.
1352 (ADDR_DIFF_VEC_FLAGS): New macro.
1354 * sh.c (output_branch): Fix offset overflow problems.
1356 * final.c (shorten_branches): Implement CASE_VECTOR_SHORTEN_MODE.
1357 (final_scan_insn): New argument BODY for ASM_OUTPUT_ADDR_DIFF_ELT.
1358 * rtl.def (ADDR_DIFF_VEC): Three new fields (min, max and flags).
1359 * stmt.c (expand_end_case): Supply new arguments to
1360 gen_rtx_ADDR_DIFF_VEC.
1361 * 1750a.h (ASM_OUTPUT_ADDR_DIFF_ELT): New argument BODY.
1362 * alpha.h, arc.h, clipper.h, convex.h : Likewise.
1363 * dsp16xx.h, elxsi.h, fx80.h, gmicro.h, h8300.h : Likewise.
1364 * i370.h, i386.h, i860.h, i960.h, m32r.h, m68k.h, m88k.h : Likewise.
1365 * mips.h, mn10200.h, mn10300.h, ns32k.h, pa.h, pyr.h : Likewise.
1366 * rs6000.h, sh.h, sparc.h, spur.h, tahoe.h, v850.h : Likewise.
1367 * vax.h, we32k.h, alpha/vms.h, arm/aof.h, arm/aout.h : Likewise.
1368 * i386/386bsd.h, i386/freebsd-elf.h : Likewise.
1369 * i386/freebsd.h, i386/linux.h : Likewise.
1370 * i386/netbsd.h, i386/osfrose.h, i386/ptx4-i.h, i386/sco5.h : Likewise.
1371 * i386/sysv4.h, m68k/3b1.h, m68k/dpx2.h, m68k/hp320.h : Likewise.
1372 * m68k/mot3300.h, m68k/sgs.h : Likewise.
1373 * m68k/tower-as.h, ns32k/encore.h, sparc/pbd.h : Likewise.
1374 * sh.h (INSN_ALIGN, INSN_LENGTH_ALIGNMENT): Define.
1375 (CASE_VECTOR_SHORTEN_MODE): Define.
1376 (short_cbranch_p, align_length, addr_diff_vec_adjust): Don't declare.
1377 (med_branch_p, braf_branch_p): Don't declare.
1378 (mdep_reorg_phase, barrier_align): Declare.
1379 (ADJUST_INSN_LENGTH): Remove alignment handling.
1380 * sh.c (uid_align, uid_align_max): Deleted.
1381 (max_uid_before_fixup_addr_diff_vecs, branch_offset): Deleted.
1382 (short_cbranch_p, med_branch_p, braf_branch_p, align_length): Deleted.
1383 (cache_align_p, fixup_aligns, addr_diff_vec_adjust): Deleted.
1384 (output_far_jump): Don't use braf_branch_p.
1385 (output_branchy_insn): Don't use branch_offset.
1386 (find_barrier): Remove checks for max_uid_before_fixup_addr_diff_vecs.
1387 Remove paired barrier stuff.
1388 Don't use cache_align_p.
1389 Take alignment insns into account.
1390 (fixup_addr_diff_vecs): Reduce to only fixing up the base label of
1392 (barrier_align, branch_dest): New function.
1393 (machine_dependent_reorg, split_branches): Remove infrastructure
1394 for branch shortening that is now provided in the backend.
1395 * sh.md (short_cbranch_p, med_branch_p, med_cbranch_p): New attributes.
1396 (braf_branch_p, braf_cbranch_p): Likewise.
1397 (attribute length): Use new attributes.
1398 (casesi_worker): Get mode and unsignednedd from ADDR_DIFF_VEC.
1399 (addr_diff_vec_adjust): Delete.
1400 (align_2): Now a define_expand.
1401 (align_log): Now length 0.
1403 Fri Mar 6 14:41:33 1998 Michael Meissner <meissner@cygnus.com>
1405 * m32r.md (right): Correctly check for length == 2, not 1.
1407 Fri Mar 6 14:00:04 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1409 * mips/mips.h: Prototype `machine_dependent_reorg'.
1410 (ASM_OUTPUT_ALIGN): Remove unused variable `mask'.
1412 Fri Mar 6 11:43:35 1998 Joern Rennecke (amylaar@cygnus.co.uk)
1414 * final.c (shorten_branches): Restore accidentally removed code.
1416 Fri Mar 6 11:00:49 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1418 * configure.in: Remove duplicate uses of AC_PROG_CC and
1421 Fri Mar 6 00:59:30 1998 Richard Henderson <rth@cygnus.com>
1423 * configure.in (target_cpu_default2): Correct typo for alphapca56.
1425 Thu Mar 5 23:24:50 1998 Jeffrey A Law (law@cygnus.com)
1426 Doug Evans (devans@cygnus.com)
1428 * haifa-sched.c (build_jmp_edges): Delete dead function.
1429 (build_control_flow): Use cfg routines from flow.c
1430 (schedule_insns): Remove debugging code accidentally checked
1433 * basic-block.h: Add external integer list structures, typdefs,
1434 accessor macros and function declarations. Simlarly for
1435 basic block pred/succ support and simple bitmap stuff.
1436 * flow.c: Add functions for integer list, basic block pred/succ
1437 support and simple bitmap support.
1438 (compute_dominators): New function to compute dominators and
1440 (find_basic_blocks): Split into two functions.
1441 (life_analysis): Likewise.
1442 (flow_analysis): Removed. Now handled by calling find_basic_blocks,
1443 the life_analysis from toplev.c
1444 * toplev.c (rest_of_compilation): Call find_basic_blocks, then
1445 life_analysis instead of flow_analysis.
1447 Thu Mar 5 23:06:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1449 * jump.c (jump_optimize): Call mark_jump_label also for deleted
1451 (mark_jump_label): Don't increment ref counts for deleted insns.
1453 Thu Mar 5 09:55:15 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1455 * mips/iris6.h (TARGET_DEFAULT): Parenthesize macro definition.
1457 * mips/mips.c: Include stdlib.h and unistd.h.
1458 (mips_asm_file_end): Add braces around empty body in an if-statement.
1459 (function_prologue): Wrap variable `fnname' in
1460 !FUNCTION_NAME_ALREADY_DECLARED. Correct format specifier in fprintf.
1461 (mips_select_rtx_section, mips_select_section): Declare as void.
1463 * mips/mips.h: Add prototypes for extern functions in mips.c.
1464 (FUNCTION_ARG_REGNO_P): Add parentheses around && within ||.
1465 (ENCODE_SECTION_INFO): Add braces around empty body in an
1468 * mips/mips.md (movdi): Add parentheses around && within ||.
1469 (movsf, movdf): Likewise.
1470 (branch_zero, branch_zero_di): Add default case in
1474 Thu Mar 5 02:45:48 1998 Richard Henderson <rth@cygnus.com>
1476 * alpha/alpha.h (TARGET_WINDOWS_NT, TARGET_OPEN_VMS): Just make them
1477 real constants, since they can't be changed.
1478 (TARGET_AS_CAN_SUBTRACT_LABELS): New.
1479 * alpha/alpha.md (builtin_setjmp_receiver): Use it.
1480 * alpha/osf.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
1481 * alpha/osf2or3.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
1482 * alpha/vms.h (TARGET_OPEN_VMS): New.
1483 * alpha/win-nt.h (TARGET_WINDOWS_NT): New.
1485 Thu Mar 5 02:41:27 1998 Richard Henderson <rth@cygnus.com>
1487 * reload.c (find_reloads): Always force (subreg (mem)) to be
1488 reloaded if WORD_REGISTER_OPERATIONS.
1490 Thu Mar 5 02:14:44 1998 Richard Henderson <rth@cygnus.com>
1492 * haifa-sched.c (free_list): Rename from free_pnd_lst.
1493 (free_pending_lists): Rename free_pnd_lst uses.
1494 (remove_dependence): Place expunged element on unused_insn_list.
1495 (alloc_INSN_LIST, alloc_EXPR_LIST): New. Change all callers of
1496 gen_rtx_*_LIST and alloc_rtx to use them.
1497 (compute_block_backward_dependences): Free the reg_last_* lists.
1499 Thu Mar 5 00:05:40 1998 Jeffrey A Law (law@cygnus.com)
1501 * cccp.c (main): Avoid undefined behavior when setting pend_includes
1504 Wed Mar 4 21:58:25 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
1506 * rs6000/linux.h: don't define DEFAULT_VTABLE_THUNKS to 1 if
1507 USE_GNULIBC_1 is defined
1508 * configure.in: add a new case powerpc-*-linux-gnulibc1 which
1509 includes the t-linux-gnulibc1 fragment
1511 Wed Mar 4 12:11:36 1998 Jim Wilson <wilson@cygnus.com>
1513 * mips.md (movdf_internal1a): Fix misplaced parenthesis in condition.
1515 Wed Mar 4 18:47:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1517 * final.c (final_scan_insn, case CODE_LABEL: Cleanup.
1519 Wed Mar 4 15:51:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1521 * final.c (shorten_branches): Tag the loop alignment onto the
1522 first label after NOTE_INSN_LOOP_BEG even if there is an
1525 Tue Mar 3 21:48:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1527 * final.c (insn_current_reference_address):
1528 Use SEQ instead of BRANCH as argument to align_fuzz, to get a
1529 proper alignment chain.
1531 * final.c (max_labelno): New static variable.
1532 (final_scan_insn): Check max_labelno before outputting an
1533 alignment for a label.
1534 (shorten_branches): Remove unused variable length_align.
1536 Tue Mar 3 14:27:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1538 * sparc.c (ultrasparc_adjust_cost): Add default case in
1541 * sparc.h: Add prototypes for extern functions defined in
1544 Tue Mar 3 10:00:11 1998 Nick Clifton <nickc@cygnus.com>
1546 * toplev.c: Only generate <name>.dbr file when dumping RTL if
1547 DEALY_SLOTS is defined.
1549 Tue Mar 3 07:36:37 1998 Manfred Hollstein <manfred@s-direktnet.de>
1551 * reorg.c (fill_eager_delay_slots): Add new argument delay_list
1552 in call to fill_slots_from_thread.
1554 Mon Mar 2 13:45:03 1998 Richard Henderson <rth@cygnus.com>
1556 * alpha/linux.h (CPP_PREDEFINES): Correct connecting whitespace
1557 to SUB_CPP_PREDEFINES. Reported by asun@saul4.u.washington.edu.
1559 Mon Mar 2 22:59:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1561 * final.c (insn_last_address, insn_current_align, uid_align):
1563 (in_align_chain, align_fuzz, align_shrink_fuzz): New functions.
1564 (insn_current_reference_address): Likewise.
1565 (shorten_branches, final_scan_insn): Implement LABEL_ALIGN,
1566 LABEL_ALIGN_AFTER_BARRIER and LOOP_ALIGN target macros.
1567 (label_to_alignment): New function.
1568 * genattrtab.c (write_test_expr): If one of LABEL_ALIGN,
1569 LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN is defined, call
1570 insn_current_reference_address instead of insn_current_address.
1571 (or_attr_value, write_length_unit_log): New functions.
1572 (main): Call write_length_unit_log.
1573 (write_const_num_delay_slots): Output extra '\n'.
1574 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE):
1576 (LOOP_ALIGN, ALIGN_LABEL_AFTER_BARRIER).
1577 * i386.h, i386/osfrose.h, i386/svr3dbx.h, m68k.h, sparc.h: Likewise.
1578 * arc.h, m32r.h (ASM_OUTPUT_LOOP_ALIGN): replace with:
1580 * i960.h, m88k.h: (ASM_OUTPUT_ALIGN_CODE): Replace with:
1581 (LABEL_ALIGN_AFTER_BARRIER).
1582 * ns32k/encore.h, ns32k/merlin.h, ns32k.h, ns32k/sequent.h: Likewise.
1583 * ns32k/tek6000.h: Likewise.
1584 * i386/gas.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Delete.
1585 * i386.md (casesi+1): Use ASM_OUTPUT_ALIGN instead of
1586 ASM_OUTPUT_ALIGN_CODE.
1588 Mon Mar 2 01:05:50 PST 1998 Jeff Law (law@cygnus.com)
1590 * version.c: Bump for snapshot.
1592 Mon Mar 2 00:52:18 PST 1998 Jeff Law (law@cygnus.com)
1594 * version.c: Bump for snapshot.
1596 Sun Mar 1 18:25:49 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
1598 * reorg.c (fill_slots_from_thread): Don't steal delay list from target
1599 if condition code of jump conflicts with opposite_needed.
1601 * reorg.c (fill_slots_from_thread): Mark resources referenced in
1602 opposite_needed thread. Return delay_list even when cannot get
1603 any more delay insns from end of subroutine.
1605 Sun Mar 1 18:26:21 1998 Ken Rose (rose@acm.org)
1607 * reorg.c (fill_slots_from_thread): New parameter, delay_list.
1608 All callers changed.
1610 Sun Mar 1 18:25:37 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
1612 * frame.c (start_fde_sort, fde_split, heapsort, fde_merge,
1613 end_fde_sort): New functions for fast sorting of an FDE array.
1614 (fde_insert): Simplified.
1615 (add_fdes): Change argument list.
1616 (frame_init): Use the new functions.
1618 Sun Mar 1 18:06:21 1998 Jeffrey A Law (law@cygnus.com)
1620 * ginclude/va-ppc.h (va_arg): Fix typo in long long support.
1622 * i386.c (reg_mentioned_in_mem): Fix dangling else statement.
1624 * fold-const.c (fold_range_test): Always return a value.
1626 Sun Mar 1 17:57:34 1998 Mumit Khan <khan@xraylith.wisc.edu>
1628 * config/i386/winnt.c (i386_pe_unique_section): Put read-only
1629 data in the text section unless READONLY_DATA_SECTION is defined.
1631 Sun Mar 1 17:48:46 1998 Jeffrey A Law (law@cygnus.com)
1633 * c-parse.in (undeclared variable error): Tweak error message to
1636 Sun Mar 1 10:22:36 PST 1998 Jeff Law (law@cygnus.com)
1638 * version.c: Bump for snapshot.
1640 1998-02-28 Mark Mitchell <mmitchell@usa.net>
1642 * final.c (final_scan_insn): Undo overzealous removal of `set'.
1644 Sat Feb 28 07:54:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1646 * pa.h (CONST_COSTS): When checking the CONST_DOUBLE enumerated
1647 case, add parentheses to specify the proper order of precedence in
1651 * c-aux-info.c: Include string.h/strings.h.
1653 * pa.c: Include stdlib.h.
1654 (pa_combine_instructions): Prototype the function.
1655 (pa_can_combine_p, forward_branch_p, shadd_constant_p): Likewise.
1656 (reloc_needed): Add default case for enumeration switch.
1657 (remove_useless_addtr_insns): Remove unused variable `all'.
1658 (hppa_expand_prologue): Add explicit braces to avoid
1660 (output_function_epilogue): Remove unused variable `i'.
1661 (output_millicode_call): Remove unused variable `link'.
1662 (shadd_constant_p, forward_branch_p): Make the function static.
1663 (following_call): Explicitly declare to return int.
1664 (pa_reorg): Declare as void.
1665 (pa_combine_instructions): Declare as static void. Add
1666 parentheses around && within ||.
1668 * pa.h: Add prototypes for pa_reorg, symbolic_operand,
1669 following_call, function_label_operand, lhs_lshift_cint_operand
1672 * pa.md: Add parentheses around && within ||.
1674 * cppalloc.c: Include stdlib.h.
1676 * cpperror.c (cpp_print_containing_files): Remove unused variable
1677 `i'. Fix format specifier in fprintf.
1679 * cse.c (cse_around_loop): Add explicit braces to avoid
1681 (delete_dead_from_cse): Wrap variable `tem' in macro HAVE_cc0.
1683 * expr.c (expand_expr): Add parentheses around && within ||.
1685 * final.c (app_enable): Replace fprintf with fputs where there are
1686 no format specifiers and no trailing argument after the string.
1687 Eg, when printing ASM_APP_ON/ASM_APP_OFF.
1688 (app_disable): Likewise.
1689 (final_end_function): Likewise.
1690 (final_scan_insn): Likewise. Remove unused variable `set'.
1691 (profile_function): Wrap empty if-statement body in {} brackets.
1693 * function.c: Include stdlib.h.
1694 (pad_below): Wrap prototype and definition in ARGS_GROW_DOWNWARD.
1695 (reposition_prologue_and_epilogue_notes): Add parentheses
1696 around assignment used as truth value.
1698 * integrate.c (expand_inline_function): Wrap variable
1699 `cc0_insn' in macro HAVE_cc0.
1701 * jump.c (jump_optimize): Wrap variable `q' in macro
1702 HAVE_cc0. Remove unused variable `prev1'.
1704 * libgcc2.c (__bb_exit_trace_func): Add parentheses around &&
1705 within ||. Fix format specifier in fprintf.
1706 (__bb_init_prg): Add parentheses around assignment used as
1709 * local-alloc.c: Include stdlib.h.
1710 (requires_inout): Add parentheses around assignment used
1713 * loop.c (analyze_loop_iterations): Wrap prototype and definition
1714 in macro HAVE_decrement_and_branch_on_count.
1715 (insert_bct, instrument_loop_bct): Likewise.
1716 (move_movables): Add parentheses around assignment used as
1718 (consec_sets_invariant_p): Likewise.
1719 (maybe_eliminate_biv_1): Wrap variable `new' in macro HAVE_cc0.
1721 * objc/objc-act.c: Include stdlib.h.
1722 (lookup_method_in_protocol_list): Wrap empty else-statement body
1724 (lookup_protocol_in_reflist): Likewise.
1725 (objc_add_static_instance): Remove unused variables `decl_expr'
1727 (get_objc_string_decl): Remove unused variable `decl'.
1728 (generate_static_references): Remove unused variables `idecl' and
1730 (check_protocols): Wrap empty else-statement body in braces.
1732 * protoize.c: Include stdlib.h.
1733 (substr): Add parentheses around assignment used as truth value.
1734 (abspath): Likewise.
1735 (shortpath): Likewise.
1737 * regmove.c (fixup_match_1): Add parentheses around assignment
1738 used as truth value.
1740 * reload.c (push_secondary_reload): Remove unused variable `i'.
1741 (find_reloads): Add parentheses around assignment used as truth
1744 * reload1.c: Include stdlib.h.
1746 * rtl.h: Correct typo in prototype of offsettable_memref_p.
1748 * stmt.c (add_case_node): Add parentheses around assignment used
1750 (case_tree2list): Likewise.
1752 * tree.c (valid_machine_attribute): Wrap variable `decl_attr_list'
1753 in macro VALID_MACHINE_DECL_ATTRIBUTE. Wrap variable
1754 `type_attr_list' in macro VALID_MACHINE_TYPE_ATTRIBUTE.
1755 (merge_attributes): Add explicit braces to avoid ambiguous
1758 * unroll.c (copy_loop_body): Wrap variable `cc0_insn' in
1761 * varasm.c: Include stdlib.h.
1764 * system.h: Remove sys/stat.h.
1765 * gcc.c: Add sys/stat.h.
1767 * genattr.c: Wrap prototype of `free' in NEED_DECLARATION_FREE.
1768 * genattrtab.c: Likewise.
1769 * genconfig.c: Likewise.
1770 * genemit.c: Likewise.
1771 * genextract.c: Likewise.
1772 * genflags.c: Likewise.
1773 * genopinit.c: Likewise.
1774 * genoutput.c: Likewise.
1775 * genpeep.c: Likewise.
1776 * genrecog.c: Likewise.
1777 * tlink.c: Likewise. Also wrap `getenv' in NEED_DECLARATION_GETENV.
1779 Fri Feb 27 11:02:47 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1781 * invoke.texi: Use @itemx for a secondary item in a @table.
1783 * config/m68k/m68k.md (movsf+1): Optimize moving a CONST_DOUBLE
1786 Thu Feb 26 00:13:21 1998 Ian Lance Taylor <ian@cygnus.com>
1788 * choose-temp.c: Fix handling of sys/file.h to work in libiberty.
1790 Wed Feb 25 23:40:54 1998 Jeffrey A Law (law@cygnus.com)
1792 * i386.c (struct machine_function): Add new fields for PIC stuff.
1793 (save_386_machine_status): Fix argument to xmalloc. Save pic_label_rtx
1795 (restore_386_machine_status): Corresponding changes.
1796 (clear_386_stack_locals): Also clear pic_label_rtx and pic_label_name.
1798 Wed Feb 25 01:31:40 1998 Jeffrey A Law (law@cygnus.com)
1800 * c-parse.y (undeclared variable error): Tweak error message
1803 Tue Feb 24 23:54:07 1998 Richard Henderson <rth@cygnus.com>
1805 * flags.h (g_switch_value, g_switch_set): Declare.
1806 * alpha.c (override_options): Set g_switch_value=8 if not set.
1807 * alpha/elf.h (CC1_SPEC): New.
1809 (LINK_SPEC): Pass along the -G value we were given.
1810 (LOCAL_ASM_OP): Remove.
1811 (ASM_OUTPUT_ALIGNED_LOCAL): Output to .bss or .sbss by size.
1812 (MAX_OFILE_ALIGNMENT): New.
1813 (BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP): New.
1814 (EXTRA_SECTIONS): Add sbss and sdata.
1815 (SECTION_FUNCTION_TEMPLATE): New.
1816 (EXTRA_SECTION_FUNCTIONS): Use it.
1817 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
1818 (SELECT_SECTION): Use sdata when small enough.
1819 * alpha/linux.h (ASM_SPEC): Remove.
1822 Mon Feb 23 15:09:18 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
1823 * config.sub (sco5): Fix typo.
1825 Mon Feb 23 18:19:31 1998 Manfred Hollstein <manfred@s-direktnet.de>
1827 * config/t-linux (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Add macros and
1829 * config/t-linux-aout (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Likewise.
1830 * config/alpha/t-linux: Remove file.
1831 * config/sparc/t-linux: Remove file.
1832 * config/m68k/t-linux (LIBGCC1, CROSS_LIBGCC1): Remove.
1833 * config/m68k/t-linux-aout (LIBGCC1, CROSS_LIBGCC1): Likewise.
1834 * configure.in (alpha*-*-linux-gnulibc1*): Use t-linux instead of alpha/t-linux
1836 (alpha*-*-linux-gnu*): Likewise.
1837 (sparc-*-linux-gnulibc1*): Use t-linux instead of sparc/t-linux for tmake_file.
1838 (sparc-*-linux-gnu*): Likewise.
1840 Mon Feb 23 10:47:39 1998 Robert Lipe <robertl@dgii.com>
1841 * collect2.c (ldd_file_name): Bracket declaration with same
1843 (full_real_ld_suffix): Deleted. Variable was calloced and
1844 written into, but never read.
1846 1998-02-23 Mike Stump <mrs@wrs.com>
1848 * configure.in: Add support for i386-wrs-vxworks configuration.
1849 * i386/vxi386.h: New file.
1851 Sun Feb 22 21:16:51 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
1853 * tree.c (contains_placeholder_p): Ensure function always returns
1855 * sparc.md (movdi_sp64_insn): Add default case in enumeration switch.
1856 (movsf_const_insn, movdf_const_insn, movtf_const_insn): Likewise.
1858 Sun Feb 22 20:58:19 1998 Jeffrey A Law (law@cygnus.com)
1860 * vms.h (SELECT_SECTION): Use TREE_CODE_CLASS correctly.
1862 1998-02-22 Paul Eggert <eggert@twinsun.com>
1864 * config/sparc/sol2-sld.h (LINKER_DOES_NOT_WORK_WITH_DWARF2):
1865 Define this new symbol.
1866 (DWARF2_DEBUGGING_INFO, DWARF_DEBUGGING_INFO): Do not #undef.
1867 * toplev.c (main): Do not default to DWARF2_DEBUG with -ggdb if
1868 LINKER_DOES_NOT_WORK_WITH_DWARF2 is defined.
1870 Sun Feb 22 20:07:32 1998 Jim Wilson <wilson@cygnus.com>
1872 * iris5.h (DWARF2_UNWIND_INFO): Define to 0.
1873 * iris5gas.h (DWARF2_UNWIND_INFO): Define to 1.
1875 Sun Feb 22 15:29:48 1998 Richard Henderson <rth@cygnus.com>
1877 * objc/Object.m (-error): Call objc_verror with our va_list.
1879 Sun Feb 22 09:45:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1881 * collect2.c (scan_prog_file): Completely cover uses of variable
1882 `exports' with macro COLLECT_EXPORT_LIST.
1884 Sat Feb 21 20:36:23 1998 Jeff Law (law@cygnus.com)
1886 * version.c: Bump for snapshot.
1888 Fri Feb 20 16:22:13 1998 Michael Meissner <meissner@cygnus.com>
1890 * sched.c (schedule_block): Remove code to get arguments from hard
1891 regs into pseudos early. Same as Aug 25, 1997 change to
1894 1998-02-20 Jason Merrill <jason@yorick.cygnus.com>
1896 * collect2.c (main): Still handle !do_collecting for non-AIX targets.
1898 Fri Feb 20 10:39:47 1998 Michael Tiemann <michael@impact.tiemann.org>
1900 * ginclude/va-mips.h (va_arg): Remove trailing space after '\'
1901 continuation character (line 243).
1903 Fri Feb 20 12:10:26 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1905 * genrecog.c (main): Remove duplicated sentence in emitted comment.
1907 Thu Feb 19 22:36:53 1998 Andrey Slepuhin <pooh@msu.net>
1908 David Edelsohn <edelsohn@mhpcc.edu>
1910 * collect2.c (XCOFF_SCAN_LIBS): Remove.
1911 (export_flag): New variable.
1912 (export_file): #ifdef COLLECT_EXPORT_LIST.
1913 (import_file, exports, imports, undefined): New variables.
1914 (libs, cmdline_lib_dirs, libpath_lib_dirs, libpath, libexts): Same.
1915 (dump_list, dump_prefix_list, is_in_list): New functions.
1916 (write_export_file): $ifdef COLLECT_EXPORT_LIST.
1917 (write_import_file, resolve_lib_name): New functions.
1918 (use_import_list, ignore_library): Same.
1919 (collect_exit): maybe_unlink import_file and #ifdef.
1921 (main): New variable importf, #ifdef exportf. Move parsing of
1922 -shared before general argument parsing. Resolve AIX library
1923 paths and import libgcc.a symbols. Treat .so shared libraries the
1924 same as objects and .a libraries. Create alias for object_lst and
1925 increment it instead of original pointer. Scan AIX libraries as
1926 objects earlier instead of using scan_libraries. Perform AIX
1927 tlink later to resolve templates instead of forking ld.
1928 (GCC_OK_SYMBOL): Ensure symbol not in undef section.
1929 (GCC_UNDEF_SYMBOL): New macro.
1930 (scan_prog_file): Loop for members of AIX libraries. Handle
1931 export/import of ctors/dtors.
1932 (aix_std_libs): New variable.
1933 (scan_libraries, XCOFF): Delete.
1935 Thu Feb 19 22:36:52 1998 Robert Lipe <robertl@dgii.com>
1937 * collect2.c (full_real_ld_suffix): #ifdef CROSS_COMPILE.
1939 1998-02-19 Mike Stump <mrs@wrs.com>
1941 * Makefile.in: Use $tooldir for sys-include to match toplevel
1944 Thu Feb 19 01:32:37 1998 Jeffrey A Law (law@cygnus.com)
1945 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1947 * emit-rtl.c (gen_lowpart_common): Suppress last change if __complex__.
1949 * emit-rtl.c (hard-reg-set.h): Include.
1950 (get_lowpart_common): Don't make new REG for hard reg in a
1951 class that cannot change size.
1952 * Makefile.in (emit-rtl.o): Depend on hard-reg-set.h.
1954 * combine.c: Revert previous patch.
1956 1998-02-19 Paul Eggert <eggert@twinsun.com>
1958 * config/sparc/sol2-sld.h: New file.
1959 * configure.in (sparc-*-solaris2*): Use it when using the
1962 Thu Feb 19 00:46:59 1998 Jeffrey A Law (law@cygnus.com)
1964 * loop.c (force_movables): Fix typo.
1966 Thu Feb 19 08:26:30 1998 Manfred Hollstein <manfred@s-direktnet.de>
1968 * m88k.h: Change file pattern to match reality.
1970 Wed Feb 18 23:19:52 1998 Jeffrey A Law (law@cygnus.com)
1972 * varasm.c (output_constant_pool): Fix dumb thinko in last
1975 * pa.h (ASM_OUTPUT_FUNCTION_PREFIX): Correctly translate from
1976 a function name to a section name.
1978 1998-02-18 Doug Evans <devans@cygnus.com>
1980 * tree.h (merge_machine_{type,decl}_attributes): Declare.
1981 (split_specs_attrs, strip_attrs): Add prototypes.
1982 * tree.c (merge_machine_{type,decl}_attributes): New functions.
1983 * c-decl.c (duplicate_decls): Call merge_machine_decl_attributes.
1984 Update olddecl's attributes too.
1985 * c-common.c (strip_attrs): New function.
1986 * c-typeck.c (common_type): Call merge_machine_type_attributes.
1987 * varasm.c (make_function_rtl): New target macro REDO_SECTION_INFO_P.
1988 (make_decl_rtl): Likewise.
1990 1998-02-18 Jim Wilson <wilson@cygnus.com>
1992 * c-decl.c (shadow_tag_warned): Call split_specs_attrs.
1994 Wed Feb 18 09:09:50 1998 Jeffrey A Law (law@cygnus.com)
1996 Remove this change until we can fix it correctly.
1997 * collect2.c: Bracket declaration of 'exportf' and
1998 'full_real_ld_suffix'.
2000 Wed Feb 18 08:44:25 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
2002 * Makefile.in (STAGESTUFF): Add genrtl.c, genrtl.h and gengenrtl.
2004 Tue Feb 17 23:30:20 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
2006 * c-common.c (c_expand_start_cond, c_expand_end_cond,
2007 c_expand_start_else): Don't warn about non-ambiguous else even if
2010 Tue Feb 17 23:56:50 1998 Robert Lipe <robertl@dgii.com>
2012 * sco5.h (ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT,
2013 ASM_OUTPUT_LONG_DOUBLE): Delete. Use the ones from i386.h
2016 Tue Feb 17 22:56:14 1998 Richard Henderson <rth@cygnus.com>
2018 * combine.c (simplify_rtx): Obey CLASS_CANNOT_CHANGE_SIZE when
2019 simplifying a subreg of a hard reg.
2020 (expand_compound_operation): Likewise.
2021 (force_to_mode): Likewise.
2023 Tue Feb 17 22:37:22 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2025 * fold-const.c: Include "system.h" to get stdlib.h and stdio.h.
2026 (lshift_double): Add parentheses around + or - inside shift.
2027 (rshift_double): Likewise.
2028 (size_int_wide): Explicitly set type of `bit_p' to `int'.
2030 * Makefile.in (fold-const.o): Depend on system.h.
2032 * Makefile.in (gcc.o): Depend on system.h, in accordance with last
2035 * haifa-sched.c: Include "system.h" to get <stdlib.h> and <stdio.h>.
2036 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
2037 (sched_note_set): Remove unused parameter `b', all callers changed.
2038 (schedule_block): Likewise for `rgn'.
2039 (split_hard_reg_notes): Likewise for `orig_insn'.
2040 (check_live): Likewise for `trg'.
2041 (update_live): Likewise.
2042 (check_live_1): Explcitly declare variable `i' as int.
2043 (update_live_1): Likewise.
2044 (insn_issue_delay): Remove unused variable `link'.
2045 (sched_analyze_2): Add default case in enumeration switch.
2046 (schedule_insns): Remove unused variable `i'.
2048 * Makefile.in ($(SCHED_PREFIX)sched.o): Depend on system.h.
2050 Tue Feb 17 22:31:04 1998 Jeffrey A Law (law@cygnus.com)
2052 * loop.c (rtx_equal_for_loop_p): Add some braces to disambiguate
2053 a dangling else clause.
2055 Tue Feb 17 21:28:12 1998 Gavin Koch <gavin@cygnus.com>
2057 * mips/mips.h (CAN_ELIMINATE): Don't eliminate the frame
2058 pointer for the stack pointer in MIPS16 and 64BIT.
2060 Tue Feb 17 21:17:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2062 * rtl.h (force_line_numbers, restore_line_number_status): Declare.
2063 * emit-rtl.c (force_line_numbers, restore_line_number_status):
2065 * stmt.c (struct nesting): Replace seenlabel with line_number_status.
2066 (expand_start_case): Adjust to this change.
2067 (check_seenlabel): New function.
2068 (pushcase, pushcase_range, expand_endcase): Use it.
2070 Tue Feb 17 10:14:32 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2072 * i386.md (adddi3): Add =!r,0,0,X alternative.
2074 Mon Feb 16 16:13:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
2076 * rs6000.h (MY_ISCOFF): Add numeric value of U803XTOCMAGIC.
2077 * x-aix31 (INSTALL): Delete.
2079 Mon Feb 16 09:24:32 1998 Gavin Koch <gavin@cygnus.com>
2081 * mips/mips.c (mips_expand_epilogue): Update tsize_rtx if
2082 tsize changes to something other than zero.
2084 Mon Feb 16 09:11:48 1998 Gavin Koch <gavin@cygnus.com>
2086 * ginclude/va-mips.h: Replace casts of pointers to int with
2087 casts of pointers to __PTRDIFF_TYPE__.
2089 Mon Feb 16 08:17:14 1998 John Carr <jfc@mit.edu>
2091 * loop.c (strength_reduce, record_biv, record_giv): Use
2092 HOST_WIDE_INT_PRINT_DEC to print CONST_INT values.
2094 1998-02-16 Jason Merrill <jason@yorick.cygnus.com>
2096 * tree.c (first_rtl_op): New fn.
2097 (unsave_expr_now): Use it.
2098 * print-tree.c (print_node): Likewise.
2099 * tree.c (has_cleanups): New fn.
2100 * fold-const.c (fold, case CLEANUP_POINT_EXPR): Use it. Be more
2101 conservative about pushing the cleanup point down.
2102 * tree.h: Declare them.
2104 Sun Feb 15 23:28:44 1998 Jeffrey A Law (law@cygnus.com)
2106 * toplev.c (flag_schedule_reverse_before_reload): Delete variable.
2107 (flag_schedule_reverse_after_reload): Likewise.
2108 (f_options): Remove reverse scheduling support.
2109 * flags.h (flag_schedule_reverse_before_reload): Delete declaration.
2110 (flag_schedule_reverse_after_reload): Likewise.
2111 * haifa-sched.c (rank_for_schedule): Remove support for reverse
2114 Sun Feb 15 21:33:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2116 * gcc.c: Get system includes, prototypes and macros via "system.h"
2117 instead of doing it manually. Change all calls of the ctype
2118 macros to custom versions defined in "system.h".
2120 * system.h: Fix return type of bcmp prototype from `void' to `int'.
2121 Make bcopy, bcmp and bzero prototypes explicitly `extern'.
2122 Add a prototype for getenv.
2124 Sun Feb 15 17:05:41 1998 Jim Wilson <wilson@cygnus.com>
2126 * mips/mips.h (INITIAL_ELIMINATION_OFFSET): Readd Jun 6 change.
2128 Sun Feb 15 15:23:15 1998 John Carr <jfc@mit.edu>
2130 * alias.c: Include <stdlib.h> and <string.h>.
2131 (init_alias_analysis): Pass NULL_RTX instead of 0 to record_set.
2133 Sat Feb 14 11:23:09 PST 1998 Jeff Law (law@cygnus.com)
2135 * version.c: Bump for snapshot.
2137 Sat Feb 14 05:08:21 1998 Richard Earnshaw (rearnsha@arm.com)
2139 * arm.md (movsfcc): Also validate operands[3] when compiling hard
2141 (movdfcc): Only accept fpu_add_operand for operands[3].
2143 * arm/t-semi (STMP_FIXPROTO): Define to nothing.
2144 * arm/t-semiaof (STMP_FIXPROTO): Likewise.
2146 Sat Feb 14 02:02:41 1998 Jeffrey A Law (law@cygnus.com)
2148 * varasm.c (output_constant_pool): Bring back 'done' label inside
2149 an appropriate #ifdef.
2151 * bitmap.c (bitmap_element_allocate): Wrap variable 'i' in an
2153 (bitmap_copy, bitmap_operation): Likewise.
2154 * combine.c (combinable_i3pat): Similarly for 'src'.
2155 * function.c (fixup_var_refs_1): Similarly for 'outerdest'.
2156 (locate_and_pad_parm): Similarly for 'reg_parm_stack_space'.
2157 * regclass.c (copy_cost): Similarly for 'secondary_class'.
2158 * reload.c (make_memloc): Simliarly for 'i'.
2159 (find_reloads_address_1): Similarly for 'link'.
2160 * reload1.c (reload): Similarly for 'previous_frame_pointer_needed'.
2161 (emit_reload_insns): Similarly for 'second_reloadreg'.
2162 * unroll.c (iteration_info): Similarly for 'v'.
2164 * caller-save.c (insert_save_restore): Remove unused variable 'i'.
2165 * calls.c (expand_call): Similarly for 'i'.
2166 (emit_library_call, emit_library_call_value): Similarly for 'mode'.
2167 * fold-const.c (strip_compund_expr): Similarly for 'type'.
2168 * function.c (fixup_var_refs_1): Similarly for 'width'.
2169 (fixup_memory_subreg): Similarly for 'saved'.
2170 (locate_and_pad_parm): Similarly for 'boundary_in_bytes.'
2171 (setjmp_protect): Similarly for 'sub'.
2172 (thread_prologue_and_epilogue_insns): Similarly for 'insn'.
2173 * loop.c (record_giv): Similarly for 'p'.
2174 (combine_givs): Similarly for 'temp_iv'.
2175 (indirect_jump_in_function_p): Similarly for 'is_indirect_jump'.
2176 * recog.c (validate_replace_rtx_1): Similarly for 'width'.
2177 * tree.c (get_set_constructor_bytes): Similarly for 'vals'.
2178 * unroll.c (unroll_loop): Similarly for 'copy'.
2179 (iteration_info): Similarly for 'b'.
2180 * varasm.c (assemble_string): Similarly for 'i'.
2181 * i386.h (LEGITIMIZE_ADDRESS): Similarly for 'orig_x'.
2183 Fri Feb 13 14:38:34 1998 Jim Wilson <wilson@cygnus.com>
2185 * dwarf2out.c (decl_scope_node): New type.
2186 (decl_scope_table): Change type to use it.
2187 (decl_scope_table_allocated, decl_scope_depth): Change type to int.
2188 (push_decl_scope): Use new type. New locals containing_scope, i.
2189 Add code to handle setting previous field.
2190 (scope_die_for): Change type of local i to int. Add code to use
2192 (dwarf2out_init): Use new type.
2194 1998-02-13 Jason Merrill <jason@yorick.cygnus.com>
2196 * except.c (emit_throw): Lose throw_used.
2198 Fri Feb 13 20:36:05 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2200 * sched.c (update_flow_info, REG_WAS_0): Ignore if setting insn
2202 * haifa-sched.c (update_flow_info, REG_WAS_0): Likewise.
2204 Fri Feb 13 12:18:40 1998 Jeffrey A Law (law@cygnus.com)
2206 * genextract.c (main): Fix typo.
2208 Fri Feb 13 08:41:49 1998 Robert Lipe <robertl@dgii.com>
2210 * c-lang.c (finish_file): Bracket declaration of static_ctors,
2213 * calls.c (expand_call): Bracket declaration of 'rtx_before_call',
2214 'old_stack_arg_under_construction'
2215 (emit_library_call): Bracket declaration of 'upper_bound',
2216 'lower_bound', 'i', 'reg_parm_stack_space'
2217 (emit_library_call_value): Likewise.
2220 * collect2.c: include <unistd.h> when appropriate.
2221 Bracket declaration of 'exportf' and 'full_real_ld_suffix'.
2223 * emit-rtl.c (prev_cc0_setter): Remove unused variable 'link'.
2225 * explow.c (plus_constant_for_output_wide): Remove unused variable
2227 (memory_address): Remove unused variable 'orig_x'.
2229 * genattrtab.c (make_canonical): Remove unreferenced label 'cond:'.
2230 (write_const_num_delay_slots): Remove unused variable 'i'.
2232 * genopinit.c (main): Remove unused variables 'dummy', 'insn_ptr'.
2233 (gen_insn): Remove unused variable 'obstack_ptr'.
2235 * libgcc2.c (__bb_exit_func): Remove unused variables 'ret',
2237 (__bb_exit_trace_func): Remove unused variable 'e'.
2239 * optabs.c (expand_binop): remove unused variables 'lhs', 'rhs',
2241 (expand_unop): Remove unused variable 'funexp'.
2242 (expand_complex_abs): Remove unused variable 'funexp'.
2243 (init_optabs): Bracket declaration of 'j'.
2244 (init_complex_libfuncs): Deleted. Dead static function.
2246 * profile.c (branch_prob): Remove unused variables 'insn', 'dest'.
2248 * reg-stack.c: Fix typo in proto for 'get_asm_operand_lengths'
2249 (reg_to_stack): 'initialized', 'before_function_beg'
2250 explictly type as ints instead of defaulting.
2251 (emit_swap_insn): Remove unused variable 'i2'.
2252 (compare_for_stack_reg): Remove unused variable 'src_note'.
2254 * rtlanal.c (computed_jump_p): Remove unused variable 'computed_jump'.
2256 * sched.c (actual_hazard): Bracket declaration of 'this_cost'.
2258 * stmt.c (add_case_node): Add parens for assignment used as truth.
2259 (all_cases_count): Remove unused variable 'count_high'.
2260 (mark_seen_cases): Remove unused variable 'i'.
2261 (check_for_full_enumeration_handling): Remove unused variable 't'.
2262 Bracket declaration of 'all_values', 'l'.
2264 * tlink.c: Include <stdlib.h>, <unistd.h>, <string.h>/<strings.h>.
2266 * varasm.c (assemble_string): Remove unused variable 'i'.
2267 (immed_double_const): Remove unused variable 'in_current_obstack'.
2268 (immed_real_const_1): Likewise.
2269 (output_constant_pool): Remove unreferenced label 'done'.
2270 (output_constant): Remove unused variable 'x'.
2272 * i386/i386.h (ENCODE_SECTION_INFO): TREE_PUBLIC is an int, not
2275 * i386/sco5.h (ASM_OUTPUT_ASCII): Add parens for assignment used
2278 Fri Feb 13 10:21:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2280 * combine.c (can_combine_p): Handle USEs in PARALLELs.
2282 Fri Feb 13 01:34:14 1998 H.J. Lu (hjl@gnu.org)
2284 * config/linux.h (LIB_SPEC): Add -lc for -shared if
2285 USE_GNULIBC_1 is not defined.
2286 * config/sparc/linux.h; Ditto.
2288 * config/sparc/linux64.h (LIB_SPEC): Add -lc for -shared.
2290 * config/alpha/linux-elf.h (LIB_SPEC): New. Defined if
2291 USE_GNULIBC_1 is not defined.
2293 Fri Feb 13 01:29:29 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
2295 * rs6000/sysv4.h (ENDFILE_SPEC): add missing %(endfile_linux)
2298 Fri Feb 13 01:23:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2300 * system.h: New file to get common systems includes and various
2301 definitions and declarations based on autoconf macros.
2303 Fri Feb 13 00:46:19 1998 Jeffrey A Law (law@cygnus.com)
2305 * cccp.c (new_include_prefix): Correctly handle -I./.
2307 Thu Feb 12 20:16:35 1998 Michael Meissner <meissner@cygnus.com>
2309 * rs6000.md: Replace gen_rtx (CONST_INT,...) with GEN_INT.
2311 Thu Feb 12 16:45:17 1998 Robert Lipe <robertl@dgii.com>
2313 * expr.c (expand_assignment): Correct typo exposed by -Wall.
2314 offset should have been a truth value, not an assignment.
2316 Thu Feb 12 15:26:50 1998 Jeffrey A Law (law@cygnus.com)
2318 * cse.c (delete_dead_from_cse): If a libcall produces a constant
2319 result and that result can be substituted into SET_SRC of the
2320 insn with the REG_RETVAL note, then perform the substitution
2321 and delete the libcall.
2323 Thu Feb 12 14:04:09 1998 Gavin Koch <gavin@cygnus.com>
2325 * mips.md (trucndihi2,truncdiqi2): Change these to support
2328 Thu Feb 12 11:34:55 1998 Gavin Koch <gavin@cygnus.com>
2330 * mips/mips.c (movdi_operand): Direct referances to symbols
2331 that arn't mips16 consts in mips16 mode arn't valid operands.
2333 * mips/mips.c (mips_move_2words): Add gprel handling.
2335 Thu Feb 12 11:18:37 1998 Gavin Koch <gavin@cygnus.com>
2337 * mips.md (extendsidi2): Allow extension to/from a non-mips16
2340 Thu Feb 12 00:04:16 1998 Marc Lehmann <pcg@goof.com>
2342 * i386.c: Conditionally include <stdlib.h>, <string.h>, and
2345 Wed Feb 11 11:43:34 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2347 * Makefile.in (WARN_CFLAGS): New variable.
2348 (bootstrap, bootstrap2, bootstrap3, bootstrap4): Use it.
2350 1998-02-11 Mark Mitchell <mmitchell@usa.net>
2352 * config/i386/i386.c (reg_mentioned_in_mem): Don't abort when
2353 falling through default case in switch.
2354 (i386_aligned_p): Likewise.
2356 Wed Feb 11 12:59:56 1998 Lee Iverson <leei@Canada.AI.SRI.COM>
2358 * mips/mips.h (mips_abi_string): Correct typo in comment.
2360 Wed Feb 11 08:29:56 1998 Gavin Koch <gavin@cygnus.com>
2362 * mips/mips.md (movdi): These PLUS's need to be Pmode.
2364 Wed Feb 11 01:47:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2366 * Makefile.in (dwarf2out.o, emit-rtl.o, jump.o, cse.o, unroll.o,
2367 reorg.o, regmove.o): Depend on insn-codes.h, it gets included
2368 indirectly via expr.h.
2370 Wed Feb 11 01:44:13 1998 Richard Henderson <rth@cygnus.com>
2372 * stor-layout.c (layout_type): Do upper - lower in the native type,
2373 so as to properly handle negative indices.
2375 Wed Feb 11 01:35:55 1998 Robert Lipe <robertl@dgii.com>
2377 * except.c (start_dynamic_cleanup): Remove unused variable 'dhc'.
2378 (expand_eh_region_start_tree): Remove unused variable 'note'.
2379 (exception_optimize): Remove unused variable 'regions'.
2380 (expand_builtin_eh_stub): Remove unused variable 'temp'.
2381 (copy_eh_entry): Deleted. Dead function.
2383 * expr.c (move_block_to_reg) Bracket declaration of 'pat' and
2384 'last' with same #if HAVE_load_multiple as use of it.
2385 (move_block_from_reg): Likewise.
2386 (emit_move_insn_1): Remove unused variable 'insns'.
2387 (store_constructor): Bracket declaration of startb, endb with
2388 #if TARGET_MEMFUNCTIONS. Remove unused variables 'set_word_size'
2389 'target', and 'xtarget'.
2390 (expand_builtin_setjmp): Remove unused variables 'op0',
2391 'next_arg_reg', 'old_inhibit_defer_pop'.
2392 (expand_builtin): Remove unused variable 'offset'.
2393 (do_store_flag): Remove unused variables 'pattern', 'jump_pat'.
2394 (emit_queue): Add parens for assignment used as conditional.
2395 (expand_expr): case TARGET_EXPR: Remove unused variable 'temp'.
2397 Wed Feb 11 01:30:49 1998 Marc Lehmann <pcg@goof.com>
2399 * i386.c: Added include for recog.h.
2400 (override_options): Removed unused variable p. Initialized regno to
2402 (order_regs_for_local_alloc): Initialized regno to avoid warning.
2403 (legitimize_address): Likewise for 'other'.
2404 (i386_aligned_reg_p): Added default case with abort ().
2405 (print_operand): Likewise.
2406 (reg_mentioned_in_mem): Likewise.
2407 (ix86_expand_binary_operator): Removed unused variables i & insn.
2408 (ix86_expand_unary_operator): Removed unused variable insn.
2409 (output_fp_cc0_set): Removed unused variable unordered_label.
2411 Wed Feb 11 01:23:03 1998 John F. Carr <jfc@mit.edu>
2413 * i386.c, i386.h, i386.md: Change gen_rtx (X, ...) to gen_rtx_X (...).
2414 Use GEN_INT instead of gen_rtx (CONST_INT). Make printf arguments
2415 and format string match.
2417 Wed Feb 11 01:17:39 1998 Jeffrey A Law (law@cygnus.com)
2419 * flow.c (life_analysis): Do not conside the stack pointer live at
2420 the end of a function if the fucntio ncalls alloca.
2421 (mark_used_regs): Similarly.
2423 1998-02-10 John F Carr <jfc@mit.edu>
2425 * config/sparc/sparc.md (movdi_v8plus): Output stx on alternative
2426 1, fzero on alternative 8.
2428 Tue Feb 10 09:02:19 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2430 * rs6000.c (setup_incoming_varargs): Always set rs6000_sysv_varargs_p.
2432 Tue Feb 10 03:35:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2434 * reload.c (find_reloads_toplev): Handle arbitrary non-paradoxical
2435 SUBREGs of CONST_INTs.
2437 Mon Feb 9 17:52:36 1998 John Carr <jfc@mit.edu>
2439 * mips.c (print_operand, function_prologue): Make printf format
2440 match argument type.
2442 Mon Feb 9 02:37:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2444 * alpha.c (alpha_return_addr): Remove unused variable `first'.
2445 (alpha_ra_ever_killed): Remove unused variables `ra' and `i'.
2446 (output_epilog): Remove unused variable `frame_size_from_reg_save'.
2448 Sun Feb 8 14:56:03 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2450 * loop.c (strength_reduce): When placing increment for auto-inc
2451 case, do comparison in loop order.
2453 Sun Feb 8 13:21:38 1998 John Carr <jfc@mit.edu>
2455 * bitmap.c (bitmap_debug_file): HOST_PTR_PRINTF converts a pointer,
2456 not a HOST_WIDE_INT.
2458 * calls.c (expand_call): Change test of expand_inline_function
2459 return value to stop compiler warning.
2461 * genattrtab.c (RTL_HASH): Cast pointer to long, not HOST_WIDE_INT.
2463 Sun Feb 8 12:04:24 1998 Jim Wilson (wilson@cygnus.com)
2464 Jeff Law (law@cygnus.com)
2466 * regmove.c: Fix various minor formatting problems.
2467 (optimize_reg_copy_1): Stop search at CALL_INSNs if flag_exceptions
2468 is true. Make end of basic block tests consistent through regmove.c.
2469 (optimize_reg_copy_2, optimize_reg_copy_3): Likewise.
2470 (fixup_match_2, fixup_match_1, regmove_optimize): Likewise.
2472 Sun Feb 8 01:49:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2474 * gansidecl.h: Check for a conflicting macro definition before
2475 attempting to prototype bcopy, bcmp or bzero.
2477 Sun Feb 8 00:09:59 1998 Jeffrey A Law (law@cygnus.com)
2479 * expr.c (clear_pending_stack_adjust): Handle case where a function
2480 calls alloca, but the user has specified -fomit-fframe-pointer.
2482 * function.c (assign_parms): Fix typo in last change.
2484 Sat Feb 7 23:54:29 1998 Robert Lipe <robertl@dgii.com>
2486 * gcc.c: Include <strings.h>/<string.h>, <stdlib.h>, <unistd.h>,
2488 (free_path_suffix): Remove unreferenced static function.
2489 (process_command): Remove unused variable temp.
2490 (default_arg): Remove unused variable i.
2491 (do_spec_1): Add parens for assignment used as truth value.
2493 (validate_all_switches): Likewise.
2494 (main): Remove unused variables i, first_time>
2496 * c-common.c: Include <stdlib.h> and <string.h>/<strings.h>.
2498 * calls.c (expand_call): Remove unused variables funtree,
2499 n_regs, and tmpmode.
2501 * dbxout.c, except.c: Include <string.h>/<strings.h>.
2503 * explow.c: (plus_constant_for_output_wide) Removed unused
2504 variable all_constant.
2506 * c-decl.c, genattr.c, genattrtab.c, getconfig.c, genemit.c
2507 genextract.c, genflags.c, genopinit.c genoutput.c, genpeep.c,
2508 genrecog.c, global.c, integrate.c , stupid.c : Include
2511 * genextract.c: (walk_rtx) Remove unused variable link.
2513 * genrecog.c: (concat) Remove unreferenced static function.
2515 * prefix.c: Include <string.h>/<strings.h>, <stdlib.h>
2517 * stmt.c: Include <stdlib.h>.
2518 (expand_asm_operands): Remove unused variable val1.
2519 (expand_return): Remove unused variable block.
2520 (pushcase): Remove unused variables l and n.
2521 (pushcaserange): Likewise.
2523 * unroll.c (unroll_loop): Remove unused variable temp.
2525 Sat Feb 7 23:46:09 1998 Greg McGary <gkm@gnu.org>
2527 * c-decl.c (pushdecl): Set DECL_ORIGINAL_TYPE once only.
2529 Sat Feb 7 15:11:28 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2531 * aclocal.m4 (GCC_FUNC_PRINTF_PTR): New macro to test the printf
2532 functions for whether they support the %p format specifier.
2533 * acconfig.h (HOST_PTR_PRINTF): Insert stub for autoconf.
2534 * configure.in (GCC_FUNC_PRINTF_PTR): Use it.
2535 * configure, config.in: Rebuild.
2537 Fri Feb 6 14:20:16 1998 Jim Wilson <wilson@cygnus.com>
2539 * function.c (assign_parms): New variable named_arg, with value
2540 depending on STRICT_ARGUMENT_NAMING. Use instead of ! last_named.
2542 Fri Feb 6 14:34:28 1998 Gavin Koch <gavin@cygnus.com>
2544 * mips/t-r3900: New - same as t-ecoff but eliminate
2545 multilibs: mips1 and mips3.
2546 * configure.in (tx39*): Use new mips/t-r3900.
2547 * configure: Rebuild.
2548 * mips/r3900.h (MULTILIB_DEFAULTS): Eliminate mips1.
2550 1998-02-06 Jason Merrill <jason@yorick.cygnus.com>
2552 * dwarf2out.c: Add old_args_size.
2553 (dwarf2out_args_size): Use it.
2554 (dwarf2out_begin_prologue): Initialize it.
2555 (dwarf2out_stack_adjust): If !asynchronous_exceptions, save up
2556 pushed args until we see a call.
2557 * final.c (final_scan_insn): Hand CALL_INSNs off to the dwarf2 code
2558 before outputting them.
2560 1998-02-06 Kriang Lerdsuwanakij <lerdsuwa@scf.usc.edu>
2562 * cplus-dem.c (demangle_template_template_parm): New function.
2563 (demangle_template): Handle template template parameters.
2565 1998-02-02 Mark Mitchell <mmitchell@usa.net>
2567 * calls.c (expand_call): Don't confuse member functions named
2568 realloc, setjmp, and so forth with the standard library
2569 functions of the same names.
2571 Thu Feb 5 21:59:49 1998 Jeffrey A Law (law@cygnus.com)
2573 * stmt.c (expand_asm_operands): Correctly identify asm statements
2576 Thu Feb 5 21:56:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
2578 * c-common.c (decl_attributes): Flag unrecognized attribute
2579 functions as warnings instead of as errors.
2581 1998-02-05 Marc Lehmann <pcg@goof.com>
2583 * integrate.c (INTEGRATE_THRESHOLD): Inline only small functions
2584 when -Os is specified.
2585 * toplev.c (main): Don't disable flag_inline_functions anymore when
2588 Fri Feb 6 00:27:36 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2590 * regmove.c: Update.
2591 * flags.h (flag_regmove): Declare.
2592 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Don't declare.
2593 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2):
2594 Moved into regmove; changed caller.
2595 * toplev.c (rest_of_compilation): Call regmove_optimize also for
2596 expensive_optimizations.
2598 Thu Feb 5 13:38:42 PST 1998 Jeff Law (law@cygnus.com)
2600 * version.c: Bump for snapshot.
2602 Thu Feb 5 01:45:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2603 Undo this change (the problem was actually in reload):
2604 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2606 * sh.md (movqi_i+1): New peephole.
2608 Tue Feb 3 01:11:12 1998 Jeffrey A Law (law@cygnus.com)
2610 * jump.c (jump_optimize): Lose calls to modified_in_p they are
2611 not needed anymore due to changes elsewhere in jump.c.
2613 * jump.c (jump_optimize): Fix first arg to modified_in_p in
2616 Mon Feb 2 19:18:14 1998 Richard Henderson <rth@cygnus.com>
2618 * expr.c (expand_builtin_setjmp): Accept two new arguments for
2619 the labels to branch to on first and subsequent executions. Don't
2620 play with __dummy. Rename `setjmp' insn to `builtin_setjmp_setup',
2621 and provide it with the jmp_buf. Use only one of
2622 `builtin_setjmp_receiver' or `nonlocal_goto_receiver',
2623 and provide the former with the target label.
2624 (expand_builtin) [BUILTIN_SETJMP]: Generate a label for use by setjmp.
2625 (expand_builtin) [BUILTIN_LONGJMP]: Split out to ...
2626 (expand_builtin_longjmp): ... here. Recognize a `builtin_longjmp'
2627 insn to replace all of the normal nonlocal_goto code. Don't play
2628 with __dummy. Correct arguments to nonlocal_goto.
2629 * expr.h (expand_builtin_setjmp): Update prototype.
2630 * except.c (start_dynamic_handler): When using builtin_setjmp,
2631 generate more accurate flow information.
2633 * alpha.md (nonlocal_goto_receiver_osf): Delete.
2634 (nonlocal_goto_receiver_vms): Rename to nonlocal_goto_receiver.
2635 (builtin_longjmp, builtin_setjmp_receiver): New.
2636 * sparc.md (update_return): Disambiguate unspec number.
2637 (nonlocal_goto): Rearrange arguments to match caller in except.c.
2638 (builtin_setjmp_setup): Rename from setjmp. Match and ignore the
2640 * mips.md (nonlocal_goto_receiver, builtin_setjmp_receiver): Remove.
2641 (builtin_setjmp_setup*, builtin_longjmp): New.
2643 Mon Feb 2 16:43:10 1998 John Carr <jfc@mit.edu>
2645 * mips.md: Change gen_rtx (CONST_INT) to GEN_INT.
2647 Mon Feb 2 13:06:47 1998 Jim Wilson <wilson@cygnus.com>
2649 * vmsconfig.com: Remove bytecode references.
2651 1998-01-30 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2653 * dwarf2out.c (dwarf2out_frame_init): Undo last change, so that
2654 -fno-sjlj-exceptions works for a target that defines
2655 DWARF2_UNWIND_INFO as zero.
2657 * regmove.c (fixup_match_1): Undo last change which removed some
2658 "useless" code, and add a comment explaining this.
2660 Mon Feb 2 10:47:14 1998 Gavin Koch (gavin@cygnus.com)
2662 * mips.c (mips_expand_prologue): Change uses of TARGET_64BIT
2665 Mon Feb 2 10:38:41 1998 Klaus Kaempf <kkaempf@progis.de>
2667 * makefile.vms: Remove bytecode references.
2668 Create genrtl files.
2670 Mon Feb 2 02:08:04 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
2672 * jump.c (jump_optimize): Allow conditional loading of floating point
2673 constants and constants from memory. Reinstalled modified_in_p tests.
2675 Mon Feb 2 01:38:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2677 * loop.c (get_condition): Handle sign-extended constants.
2679 Mon Feb 2 01:22:46 1998 Hans-Peter Nilsson <hp@axis.se>
2681 * expr.c (emit_push_insn): Add code to use movstrti if present.
2683 * expr.c (emit_push_insn): Use same max-move-amount for movstrhi
2684 and movstrqi as in emit_block_move ().
2686 Mon Feb 2 00:09:52 1998 Toon Moene <toon@moene.indiv.nluug.nl>
2688 * config/m68k/x-next: Remove /NextDeveloper/Headers from
2689 the directories to fixinclude - /usr/include is a link
2690 to it and hence its contents are fixed by default.
2692 Sun Feb 1 14:15:33 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
2694 * rs6000/linux.h: define JUMP_TABLES_IN_TEXT_SECTION
2696 Sun Feb 1 13:01:15 1998 Klaus Kaempf <kkaempf@progis.de>
2698 * cccp.c (main): Predefine __VMS_VER on VMS.
2700 Sun Feb 1 12:39:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2702 * expr.c (get_inner_reference): Use sbitsizetype for type sizes.
2703 * fold-const.c (size_int): Replace with
2705 (make_bit_field_ref): Use bitsize_int for bit position.
2706 * stor-layout.c (sizetype): Delete.
2707 (sizetype_tab, sbitsizetype, ubitsizetype): Declare.
2708 (layout_record, layout_union, layout_type):
2709 Use bitsize_int for bit size.
2710 (set_sizetype): New function.
2711 (make_signed_type, make_unsigned_type): Use it.
2712 * c-decl.c (init_decl_processing): Likewise.
2713 * tree.h (size_int): Don't delcare, #define.
2714 (size_int_wide, sizetype_tab, sbitsize, ubitsize): Declare.
2715 (set_sizetype): Declare.
2716 (bitsize_int, size_int_2, BITS_PER_UNIT_LOG, sizetype, bitsizetype):
2718 * c-typeck.c (c_sizeof, c_sizeof_nowarn, c_size_in_bytes):
2719 Convert result to sizetype.
2720 (really_start_incremental_init, push_init_level):
2721 Set type of constructor_bit_index to sbitsizetype.
2722 (push_init_level): Use unsigned arithmetic to determine padding.
2723 (output_init_element): Likewise.
2725 Sun Feb 1 03:32:07 1998 Jeffrey A Law (law@cygnus.com)
2727 * combine.c (simplify_shift_const): Fix typo in last change.
2729 Sun Feb 1 02:50:46 1998 John Carr <jfc@mit.edu>
2731 * combine.c (simplify_shift_const): (lshiftrt (truncate (lshiftrt)))
2732 is (truncate (lshiftrt)).
2734 Sun Feb 1 01:06:53 1998 Richard Henderson <rth@cygnus.com>
2736 * alpha.c (alpha_expand_unaligned_load): Use expand_binop properly.
2737 Make sure result winds up in TGT.
2738 (alpha_expand_unaligned_store): Use expand_binop properly. Allow
2739 src to be other than DImode.
2740 (alpha_expand_unaligned_load_words): Tidy. Take an offset argument.
2741 (alpha_expand_unaligned_store_words): Likewise.
2742 (alpha_expand_block_move): Use REGNO_POINTER_ALIGN. Restructure so
2743 that source and destination are separately optimized for alignment.
2744 (alpha_expand_block_clear): Use REGNO_POINTER_ALIGN.
2746 Sun Feb 1 01:55:09 1998 Jeffrey A Law (law@cygnus.com)
2748 * mips.md (adddi3_internal_2): Be consistent with adddi3 expander
2749 with handling of -32768.
2751 Sun Feb 1 01:48:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2753 * aclocal.m4 (GCC_NEED_DECLARATION): Modify macro to accept a
2754 shell variable argument instead of only hard coded functions.
2755 (GCC_NEED_DECLARATIONS): New macro to accept multiple functions.
2757 * configure.in: Collapse multiple calls to AC_CHECK_FUNCS into one
2758 call. Collapse multiple calls to GCC_NEED_DECLARATION into one
2759 call to GCC_NEED_DECLARATIONS (new macro.) Check if we need
2760 declarations for bcopy, bcmp and bzero.
2762 * acconfig.h: Add stubs for bcopy, bcmp and bzero declarations.
2764 * gansidecl.h: If we have bcopy but don't declare it, then do so.
2765 Likewise for bcmp and bzero. Only define macros for bcopy, bcmp,
2766 bzero, index and rindex if they aren't already present.
2768 Sat Jan 31 11:26:58 1998 Jeffrey A Law (law@cygnus.com)
2770 * toplev.c (close_dump_file): Wrap function prototype for
2771 argument "func" in PROTO.
2772 (dump_rtl): Likewise.
2774 Fri Jan 30 22:30:39 1998 John Carr <jfc@mit.edu>
2776 * sparc.c (sparc_override_options): Make v8plus and ultrasparc set
2778 (output_function_epilogue): Omit epilogue if nothing drops through.
2779 (output_move_double): Supress int ldd usage on ultrasparc and v9.
2780 (registers_ok_for_ldd_peep): Likewise.
2781 (print_operand): Supress b,a on ultrasparc. Let Y accept a constant.
2782 (ultrasparc_adjust_cost): New function.
2783 (sparc_issue_rate): New function.
2784 * sparc.h (MASK_VIS, TARGET_VIS): New
2785 (MASK_V8PLUS, TARGET_V8PLUS): New.
2786 (TARGET_HARD_MUL32, TARGET_HARD_MUL): New.
2787 (TARGET_SWITCHES): Add vis and v8plus.
2788 (REG_CLASS_FROM_LETTER): Accept d and b for VIS.
2789 (REGISTER_MOVE_COST): FP<->INT move cost 12 for ultrasparc.
2790 (RTX_COSTS): Use TARGET_HARD_MUL
2791 (ADJUST_COST): Call ultrasparc_adjust_cost.
2793 * sparc.md (attr type): Add sload, fpmove, fpcmove. Adjust users
2794 of load & fp appropritely.
2795 (supersparc function units): Adjust for Haifa.
2796 (ultrasparc function units): Likewise.
2797 (get_pc_via_rdpc): All v9, not just arch64.
2798 (movdi_v8plus, movdi_v8plus+1): New.
2799 (adddi3_sp32+1): New.
2800 (subdi3_sp32+1): New.
2801 (movsi_insn, movsf_const_insn, movdf_const_insn): Know VIS.
2802 (addsi3, subsi3, anddi3_sp32, andsi3, and_not_di_sp32): Likewise.
2803 (and_not_si, iordi3_sp32, iorsi3, or_not_di_sp32, or_not_si): Likewise.
2804 (xorsi3_sp32, xorsi3, xor_not_di_sp32, xor_not_si): Likewise.
2805 (one_cmpldi2_sp32, one_cmplsi2): Likewise.
2806 (ldd peepholes): Suppress for v9.
2807 (return_adddi): Kill redundant test. Arg1 may be arith_operand.
2808 (return_subsi): Revmove.
2810 Fri Jan 30 18:30:03 1998 John F Carr <jfc@mit.edu>
2812 * mips.c (save_restore_insns): Set RTX_UNCHANGING_P in register
2813 save/restore MEM rtl.
2815 Fri Jan 30 09:08:16 1998 Jeffrey A Law (law@cygnus.com)
2817 * configure.in: Check for declaration of abort.
2818 * acconfig.h: Corresponding changes.
2819 * toplev.c: Use NEED_DECLARATION_ABORT to determine if abort should
2822 Thu Jan 29 20:26:12 1998 Jeffrey A Law (law@cygnus.com)
2824 * genattrtab.c (optimize): Define in case PRESERVE_DEATH_INFO_REGNO_P
2827 Thu Jan 29 09:27:56 PST 1998 Jeff Law (law@cygnus.com)
2829 * version.c: Bump for snapshot.
2831 Thu Jan 29 10:12:27 1998 Jeffrey A Law (law@cygnus.com)
2833 * configure.in: Check for atoq and atoll.
2834 * rtl.c (read_rtx): Use HAVE_ATOLL and HAVE_ATOQ to select the
2835 proper routine for converting ascii into long long values.
2837 Thu Jan 29 01:28:14 1998 Klaus Kaempf <kkaempf@progis.de>
2839 * cccp.c (SYS$SEARCH, SYS$PARSE): Write as upper-case.
2841 * vmsconfig.com: Remove bytecode references.
2843 * alpha/vms.h (PREFIX): Define.
2845 * alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Remove.
2847 * am-alpha.h: Don't include alloca for OPEN_VMS.
2849 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Define.
2851 * alpha/xm-vms.h (INCLUDE_DEFAULTS): Define.
2852 (GCC_INCLUDE_DIR): Define
2854 * make-cc.com, make-cccp.com, make-cc1.com: Removed.
2855 * makefile.vms: New file.
2857 * alpha/vms.h (CPP_PREDEFINES): Remove -Dalpha.
2859 * alpha.c (output_prolog): Output '.name' directive
2860 for minimal traceback information.
2862 * alpha.c (output_prolog): Don't prepend entry point symbols
2863 with '$' on OPEN_VMS.
2865 Thu Jan 29 00:25:35 1998 David S. Miller <davem@tanya.rutgers.edu>
2866 Jeffrey A Law (law@cygnus.com)
2868 * rtl.c (read_rtx): Use atol/atoq based upon disposition of
2871 * genattrtab.c (write_test_expr): Use HOST_WIDE_INT_PRINT_DEC
2873 * genemit.c (gen_exp): Likewise.
2874 * genpeep.c (match_rtx): Likewise.
2875 * genrecog.c (write_tree_1): Likewise.
2877 * c-lex.c (yyprint): Use proper format string based upon
2878 disposition of HOST_BITS_PER_WIDE_INT.
2879 (yylex): Put casts in right place for args to build_int_2.
2881 Thu Jan 29 00:24:29 1998 Jeffrey A Law (law@cygnus.com)
2883 * combine.c: Fix typos in Jan27 changes.
2885 Thu Jan 29 00:07:49 1998 Ollivier Robert <roberto@keltia.freenix.fr>
2887 * i386/freebsd.h (LIB_SPEC): Correctly handle -shared, -p and friends.
2888 (LINK_SPEC): Likewise.
2889 (STARTFILE_SPEC): Likewise.
2891 1998-01-28 Mike Stump <mrs@wrs.com>
2893 * rtlanal.c (dead_or_set_regno_p): Ignore REG_DEAD notes after
2895 * genattrtab.c (reload_completed): Define.
2897 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Remove obsolete
2900 Wed Jan 28 20:11:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2902 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
2903 SUBREG_REG if the word count is unchanged, also in the input reload
2904 case. Disable non-applicable sanity checks.
2906 Wed Jan 28 20:08:26 1998 Jeffrey A Law (law@cygnus.com)
2908 * config/t-svr4 (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
2910 Wed Jan 28 20:04:43 1998 Ian Lance Taylor <ian@cygnus.com>
2912 * i386/t-cygwin32 (LIMITS_H_TEST, LIBGCC2_INCLUDES): Define.
2914 Wed Jan 28 11:45:27 1998 Per Bothner <bothner@cygnus.com>
2916 * dbxout.c (dbxout_type): For a RECORD_TYPE, check that TYPE_BINFO
2917 is a TREE_VEC before trying to use it for baseclasses.
2918 (Chill uses the same field for a different purpose.)
2920 * toplev.c (strip_off_ending): Generalize to endings up to 5 chars.
2922 Tue Jan 27 23:15:55 1998 Lassi A. Tuura <lat@iki.fi>
2924 * config.sub: More accurate determination of HP processor types.
2926 Tue Jan 27 23:11:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2928 * c-lex.c: Include <stdlib.h> and <string.h>/<strings.h>. Add
2929 prototype for `handle_sysv_pragma', and make it static. Add
2930 parentheses around assignment used as truth value.
2932 * combine.c (combine_instructions): Protect variable `prev' with
2934 (can_combine_p): Protect variable `link' with AUTO_INC_DEC.
2935 (extract_left_shift): Add parentheses around operand of &.
2936 (merge_outer_ops): Avoid an empty body in an else-statement.
2937 (gen_rtx_combine): Remove unused variable `i'.
2939 * sparc/gmon-sol2.c: Include <fcntl.h>. Make return type of
2940 function monstartup `void'. Likewise for internal_mcount. Add
2941 `static void' prototype for moncontrol. Reconcile sprintf format
2944 * sparc/sparc.c: Include <stdlib.h> and <string.h>/<strings.h>.
2945 Make return type of function_arg_slotno explicitly `int'.
2946 (reg_unused_after): Add parentheses around assignment used as
2948 (save_regs): Add explicit braces to avoid ambiguous `else'.
2949 (function_arg_slotno): Add parentheses around && within ||.
2950 (function_arg_pass_by_reference): Likewise.
2951 (sparc_flat_output_function_prologue): Reconcile fprintf format
2954 * svr4.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
2955 assignment used as truth value.
2957 * cplus-dem.c: Include <stdlib.h>.
2958 (demangle_signature): Avoid an empty body in an else-statement.
2959 (do_type): Remove unused variable `lvl'.
2961 * cppexp.c: Don't have <stdlib.h> depend on MULTIBYTE_CHARS.
2962 Include <string.h>/<strings.h>.
2963 (cpp_lex): Remove unused variable `namelen'.
2964 (cpp_lex): Explicitly declare `num_chars' as an int.
2966 * cpplib.c: Avoid duplicate inclusion of <stdlib.h>, include
2967 <unistd.h> instead. Explicitly declare is_system_include
2969 (make_assertion): Remove unused variable `kt'.
2970 (cpp_expand_to_buffer): Hide variable `obuf'.
2971 (output_line_command): Remove unused variables, `line_end',
2972 `line_cmd_buf' and `len'.
2973 (macarg): Remove unused variable `arg_start'.
2974 (special_symbol): Remove unused variable `i'. Add parentheses
2975 around assignment used as truth value.
2976 (do_include): Remove unused variables `pcfname' and `retried',
2977 hide `pcf' and `pcfbuflimit'.
2978 (do_line): Remove unused variable `i'.
2979 (finclude): Hide variable `missing_newline'.
2980 (cpp_handle_options): Remove unused variable `j'.
2981 (read_token_list): Remove unused variable `eofp'.
2982 (cpp_error_with_line): Remove unused variable `i'.
2983 (cpp_warning_with_line): Likewise.
2984 (cpp_pedwarn_with_line): Explicitly declare `column' as int.
2985 (cpp_error_from_errno): Remove unused variable `i'.
2987 * cse.c (invalidate): Add parentheses around assignment used as
2989 (find_best_addr): Move declaration of variable `our_cost' inside
2990 the conditional macro where its used.
2991 (fold_rtx): Avoid an empty body in an if-statement.
2992 (cse_insn): Wrap variables `this_insn_cc0_mode' and
2993 `this_insn_cc0' in macro HAVE_cc0.
2995 * dwarf2out.c: Include <stdlib.h> and <string.h>/<string.h>.
2996 (ASM_OUTPUT_DWARF_DATA8): Reconcile format vs. args in fprintf's.
2997 (output_uleb128): Likewise.
2998 (output_sleb128): Likewise.
2999 (output_cfi): Likewise.
3000 (output_call_frame_info): Remove unused variables `j', `fde_size'
3002 (comp_unit_has_inlines): Hide declaration as per rest of file.
3003 (size_of_line_prolog): Correct typo in prototype.
3004 (add_arange): Likewise.
3005 (output_aranges): Likewise.
3006 (add_name_and_src_coords_attributes): Likewise.
3007 (gen_array_type_die): Likewise.
3008 (gen_inlined_subroutine_die): Likewise.
3009 (equate_decl_number_to_die): Remove unused variable `i'.
3010 (print_die): Reconcile format vs. args in fprintf's.
3011 (print_dwarf_line_table): Likewise.
3012 (output_die): Likewise.
3013 (output_line_info): Likewise.
3014 (add_subscript_info): Avoid an empty body in an else-statement.
3015 (gen_subprogram_die): Remove unused variable `fp_loc'.
3017 * dwarfout.c: Explicitly declare `next_pubname_number' as int.
3018 Protect `ordering_attribute' prototype with USE_ORDERING_ATTRIBUTE
3019 macro. Protect `src_coords_attribute' prototype with
3020 DWARF_DECL_COORDINATES macro. Hide `output_entry_point_die'
3021 prototype as in the rest of the file. Likewise for
3022 `output_pointer_type_die' and `output_reference_type_die'. Remove
3023 prototype for `type_of_for_scope'.
3024 (output_unsigned_leb128): Reconcile format vs. args in fprintf.
3025 (type_attribute): Add explicit braces to avoid ambiguous `else'.
3027 * final.c: Include <stdlib.h> and <string.h>/<strings.h>.
3028 (shorten_branches): Protect declaration of tmp_length with
3029 SHORTEN_WITH_ADJUST_INSN_LENGTH and ADJUST_INSN_LENGTH macros.
3030 (profile_function): Protect declaration of `sval' and `cxt'
3031 variables with appropriate macros.
3032 (final_scan_insn): Likewise for `note' variable. Add explicit
3033 braces to avoid empty body in an if-statement.
3034 (output_asm_insn): Move variable `i' inside macro conditional
3035 where it is used. Add parentheses around assignment used as truth
3037 (asm_fprintf) Likewise, likewise.
3039 * fix-header.c (main): Remove unused variable `done'. Protect
3040 declaration of `i' with FIXPROTO_IGNORE_LIST.
3042 * pexecute.c: Include <unistd.h>. Prototype `my_strerror'.
3044 * print-rtl.c (print_inline_rtx): Explicitly declare the parameter
3047 * profile.c: Include <string.h>/<strings.h>.
3048 (instrument_arcs): Remove unused variables `note', `inverted',
3049 `zero' and `neg_one'.
3050 (branch_prob): Avoid empty body in an if-statement.
3052 * regclass.c: Include <stdlib.h>.
3053 (reg_alternate_class): Explicitly declare parameter `regno'.
3055 * regmove.c (regmove_optimize): Remove unused variable `p'. Add
3056 parentheses around assignment used as truth value.
3057 (find_matches): Remove unused variables `output_operand' and
3059 (fixup_match_1): Remove statement with no effect: "if (0) ;".
3061 * scan.c (sstring_append): Explicitly declare `count' as int.
3062 (scan_string): Explicitly declare parameter `init' as int.
3064 * sched.c: Include <stdlib.h>.
3065 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
3066 (rank_for_schedule): Add parentheses around assignment used as
3068 (schedule_block): Likewise.
3069 (regno_use_in): Likewise.
3070 (schedule_insns): Remove unused variable `i'.
3072 * toplev.c: Include <stdlib.h> and <string.h>/<strings.h>.
3073 (v_message_with_decl): Remove unused variable `n'.
3074 (botch): Explicitly declare parameter `s' as char *.
3075 (main): Add parentheses around assignment used as truth value.
3077 * tree.c (make_node): Protect the variable `kind' with the
3078 GATHER_STATISTICS macro.
3079 (real_value_from_int_cst): Move variable `e' inside conditional
3080 macro area where it is used.
3081 (tree_last): Add parentheses around assignment used as truth value.
3082 (build1): Protect the variable `kind' with the GATHER_STATISTICS
3084 (print_obstack_statistics): Reconcile format vs. args in fprintf.
3085 Protect variables `i', `total_nodes', and `total_bytes' with the
3086 GATHER_STATISTICS macro.
3088 Tue Jan 27 23:01:55 1998 Mike Stump (mrs@wrs.com)
3090 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Add
3091 some comments regarding use of dead_or_set_p.
3093 Tue Jan 27 22:14:48 1998 Todd Vierling <tv@pobox.com>
3095 * fixincludes: Tweak fix for struct exception in math.h
3097 Tue Jan 27 17:21:09 1998 Gavin Koch (gavin@cygnus.com)
3099 * mips/mips.c (mips_expand_prologue,mips_expand_epilogue):
3100 Change mode of registers used to add/sub from
3101 hard_frame_pointer_rtx from word_mode to Pmode.
3103 Tue Jan 27 11:02:04 1998 Nick Clifton <nickc@cygnus.com>
3105 * v850.h (ASM_OUTPUT_ALIGNED_BSS): Use
3106 asm_output_aligned_bss() instead of asm_output_bss().
3108 * toplev.c (rest_of_compilation): Replace references to
3109 stack_reg_dump_file and dbr_sched_dump_file with references to
3112 Tue Jan 27 10:22:13 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
3114 * tlink.c (scan_linker_output): Call fclose() for opened files.
3116 Tue Jan 27 05:05:26 1998 Richard Henderson <rth@cygnus.com>
3118 * alpha.c (output_epilog [!VMS]): Don't tag global functions if
3119 compiling with -fpic -- we want to be able to override symbols
3121 (alpha_expand_block_move): Fix thinko in last change.
3123 * alpha.h (ASM_OUTPUT_MI_THUNK): New define.
3124 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): New define.
3125 * config/alpha/vms.h (ASM_OUTPUT_MI_THUNK): New undef.
3127 Tue Jan 27 03:21:23 1998 Richard Henderson <rth@cygnus.com>
3129 * alpha.md (abssf, absdf): Revert last change.
3131 Tue Jan 27 00:26:50 1998 John Carr <jfc@mit.edu>
3133 * dwarf2out.c (dwarf2out_frame_init): Test value of DWARF2_UNWIND_INFO.
3134 * mips/sni-svr4.h: Define DWARF2_UNWIND_INFO as 0.
3136 Tue Jan 27 00:07:02 1998 Jeffrey A Law (law@cygnus.com)
3138 * emit-rtl.c (gen_lowpart_common): Handle more case where converting
3139 a CONST_INT into SFmode.
3141 Tue Jan 20 16:01:03 1998 Anthony Green <green@cygnus.com>
3143 * flags.h: New flag (optimize_size).
3144 * toplev.c (main): Parse -Os option and set optimize_space
3146 * gcc.c (default_compilers), cp/lang-specs.h, f/lang-specs.h: Define
3147 __OPTIMIZE_SIZE__ when compiling with -Os.
3148 * config/dsp16xx/dsp16xx.h, config/i386/i386.h,
3149 config/i386/dgux.h, config/i960/i960.h, config/pdp11/pdp11.h,
3150 config/v850/v850.h (OPTIMIZATION_OPTIONS): New SIZE argument
3152 * config/i386/i386.c (optimization_options): Accept new SIZE argument.
3154 Mon Jan 26 23:57:39 1998 Manfred Hollstein <manfred@s-direktnet.de>
3156 * libgcc2.c (__clear_insn_cache): On sysV68 enable the memctl
3157 stuff only if MCT_TEXT is #define'd.
3159 Mon Jan 26 23:52:51 1998 Markus F.X.J. Oberhumer <k3040e4@c210.edvz.uni-linz.ac.at>
3161 * configure.in (i*86-pc-msdosdjgpp): Treat like msdos & go32
3164 Fri Jan 23 09:39:36 1998 Nick Clifton <nickc@cygnus.com>
3166 * toplev.c: Add -dM command line option to dump RTL after the
3167 machine dependent reorganisation pass, if there is one.
3168 Reorganise RTL dump code, so that only one file handle is
3171 Mon Jan 26 12:09:42 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
3173 * except.c (check_exception_handler_labels): Disable warning when
3176 Mon Jan 26 18:17:32 1998 Jim Wilson <wilson@cygnus.com>
3178 * sparc.c (pic_setup_code): Don't set LABEL_PRESERVE_P.
3180 Mon Jan 26 18:11:30 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3182 * c-decl.c (grokdeclarator): Get parameter tags from
3183 last_function_parm_tags.
3184 * dwarfout.c (output_formal_types): Set TREE_ASM_WRITTEN before
3185 traversing the parameter types.
3186 (output_type): No early exit for FUNCTION_TYPE / METHOD_TYPE context.
3188 Mon Jan 26 01:44:12 1998 Jeffrey A Law (law@cygnus.com)
3190 * h8300.c (print_operand): Handle CONST_DOUBLE for 'e', 'f', and
3192 (get_shift_alg): Fix typo.
3194 Sun Jan 25 22:22:04 1998 Richard Henderson <rth@cygnus.com>
3196 * alpha.c (alpha_expand_block_move): Copy ADDRESSOF to reg.
3198 Sun Jan 25 22:14:28 1998 Richard Henderson <rth@cygnus.com>
3200 * toplev.c (get_run_time): Make sure each case gets its variables.
3202 Sun Jan 25 22:10:21 1998 Richard Henderson <rth@cygnus.com>
3204 * configure.in (build_xm_file): Add auto-config.h if host=build.
3205 (host_xm_file_list): Don't add $(srcdir) to auto-config.h.
3206 (build_xm_file_list): Likewise.
3207 * configure: Rebuild.
3209 Sun Jan 25 22:00:25 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk>
3211 * recog.c (validate_replace_rtx_1): Only perform substitutions
3212 of arguments to commutative and comparison operators once.
3214 Sun Jan 25 12:30:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3216 * sparc.c (output_cbranch): Add default case in
3219 * reorg.c (insn_sets_resource_p): Correct typo in prototype.
3220 (emit_delay_sequence): Eliminate unused parameter, all callers
3222 (fill_simple_delay_slots): Likewise.
3223 (fill_slots_from_thread): Likewise.
3224 (fill_eager_delay_slots): Likewise.
3225 (mark_referenced_resources): Add default case in enumeration switch.
3226 (mark_set_resources): Likewise.
3227 (rare_destination): Likewise.
3228 (mostly_true_jump): Likewise.
3229 (find_dead_or_set_registers): Likewise.
3230 (redirect_with_delay_slots_safe_p): Remove unused variable `slots'.
3231 (update_reg_unused_notes): Remove unused variable `p'.
3232 (mark_target_live_regs): Remove unused variables `next' and
3234 (fill_simple_delay_slots): Remove unused variable `j'.
3235 (fill_slots_from_thread): Add parentheses around assignment used
3237 (dbr_schedule): Likewise.
3239 * objc/Make-lang.in (objc.stage1): Depend on stage1-start.
3240 (objc.stage2, objc.stage3, objc.stage4): Likewise.
3242 Sun Jan 25 12:13:47 1998 Michael Tiemann <michael@tiemann.org>
3244 * cse.c (simplify_ternary_operation): Don't try to simplify
3245 IF_THEN_ELSE expressions (created by combine) that don't use
3246 relational operators.
3248 Fri Jan 23 22:48:24 1998 Jeffrey A Law (law@cygnus.com)
3250 * cse.c (simplify_ternary_operation): Handle more IF_THEN_ELSE
3253 * crtstuff.c (init_dummy): Keep the epilogue in the init
3254 section for non-ELF systems.
3256 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3258 * sh.md (movqi_i+1): New peephole.
3260 Fri Jan 23 15:39:42 1998 Jim Wilson <wilson@cygnus.com>
3262 * Makefile.in: Remove remaining bytecode stuff.
3263 * emit-rtl.c, expr.c: Likewise.
3265 Fri Jan 23 12:41:10 1998 Nick Clifton (nickc@cygnus.com)
3267 * toplev.c (lang_options): Add unknown-pragma options.
3269 Thu Jan 22 23:43:38 1998 Per Bothner <bothner@cygnus.com>
3271 * dwarfout.c (byte_size_attribute): Simplify and fix - don't need
3272 special (and incomplete) handling for Chill arrays.
3274 Fri Jan 23 00:27:23 1998 John Carr <jfc@mit.edu>
3276 * toplev.c (get_run_time): Call sysconf(_SC_CLK_TCK), when available,
3279 Fri Jan 23 00:19:36 1998 Gavin Koch (gavin@cygnus.com)
3281 * mips.md (muldi3_internal2): Reverse test for TARGET_MIPS16.
3283 1998-01-22 scott snyder <snyder@d0sgif.fnal.gov>
3285 * mips.c (function_prologue): Use HARD_FRAME_POINTER_REGNUM in
3286 .frame directive instead of FRAME_POINTER_REGNUM.
3288 Fri Jan 23 00:08:55 1998 Robin Kirkham <rjk@mlb.dmt.csiro.au>
3290 * m68k.h (TARGET_SWITCHES): -mcpu32 now clears MASK_68881.
3291 (MACHINE_STATE_m68010_up): Replaced __mc68332__ with __mcpu32__.
3292 * m68k/m68k-none.h(CPP_FPU_SPEC): Update relative to TARGET_SWITCHES.
3293 (CPP_SPEC, ASM_SPEC, CC1_SPEC): Likewise.
3294 (CPP_SPEC): -m68332 defines both __mc68332 and __mcpu32__.
3295 * m68k/t-m68kbare (MULTILIB_OPTIONS): Add mcpu32.
3296 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
3297 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
3299 * longlong.h: Replace __mc68332__ with __mcpu32__.
3301 Thu Jan 22 19:55:40 PST 1998 Jeff Law (law@cygnus.com)
3303 * version.c: Bump for snapshot.
3305 Thu Jan 22 14:47:31 1998 Jim Wilson <wilson@cygnus.com>
3307 * reload.c (push_reload): In WORD_REGISTER_OPERATIONS code, add test
3308 to require the SUBREG mode to be smaller than the SUBREG_REG mode.
3309 * reload1.c (eliminate_regs): Likewise.
3311 Thu Jan 22 14:49:14 1998 Jeffrey A Law (law@cygnus.com)
3313 * regmove.c (find_matches): Initialize matches->earlyclobber too.
3315 Thu Jan 22 01:40:52 1998 Richard Henderson <rth@cygnus.com>
3317 * alpha.md (abssf2, absdf2): Disable in IEEE mode.
3318 (negsf2, negdf2): Use proper subtract in IEEE mode.
3320 Tue Jan 20 09:29:09 1998 Jeffrey A Law (law@cygnus.com)
3322 * Makefile.in: Remove more bytecode stuff.
3323 * expr.c, stmt.c, config/msdos/top.sed: Likewise.
3324 * vax/xm-vms.h, winnt/config-nt.sed: Likewise.
3325 * f/install.texi, objc/Make-lang.in: Likewise.
3327 * Makefile.in: Remove all bytecode support.
3328 (OBJS): Make sure last entry is a real object file, not EXTRA_OBJS.
3329 * emit-rtl.c: Remove all bytecode support.
3330 * expr.c, expr.h function.c, integrate.c: Likewise.
3331 * output.h, regclass.c, rtl.h, stmt.c, toplev.c: Likewise.
3332 * tree.h, varasm.c: Likewise.
3333 * config/m68k/m68k.h: Likewise.
3334 * bi-*, bc-*, bytecode*: Delete bytecode related files.
3335 * modemap.def: Likewise.
3337 Tue Jan 20 09:02:31 1998 Gavin Koch (gavin@cygnus.com)
3339 * mips/mips.md (divsi3,divdi3,modsi3,moddi3,udivsi3,udivdi3,
3340 umodsi3,umoddi3): Handle mips16 div/mod by a constant.
3342 Mon Jan 19 21:57:00 1998 Richard Henderson <rth@cygnus.com>
3344 * i386.md (push): Prohibit symbolic constants if flag_pic.
3345 (movsi+1): Likewise for move to non-register.
3347 Mon Jan 19 11:15:38 1998 Jim Wilson <wilson@cygnus.com>
3349 * alpha.c (mode_mask_operand): Accept 0xffffffff on 32 bit host.
3350 (print_operand): Handle 0xffffffff on 32 bit host.
3352 * configure.in (thread_file): Rename uses before main loop to
3353 target_thread_file. Initialize to empty in main loop. Set thread_file
3354 to target_thread_file after main loop if not set.
3355 * configure: Rebuild.
3357 * genattrtab.c (find_and_mark_used_attributes): Handle CONST_INT.
3358 (add_values_to_cover): Revert last change (which had no ChangeLog
3360 (simplify_with_current_value_aux): Handle CONST_INT.
3362 Mon Jan 19 10:14:55 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3364 * unprotoize.c: Define UNPROTOIZE first, to actually take effect.
3366 Mon Jan 19 10:11:52 1998 Richard Henderson <rth@cygnus.com>
3368 * configure.in: Add cpp stringify test.
3369 * acconfig.h (HAVE_CPP_STRINGIFY): New tag.
3370 * gengenrtl.c: Use it.
3371 * configure, config.in: Rebuild.
3373 Mon Jan 19 09:43:15 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3375 * Makefile.in (genrtl.c genrtl.h): Add dummy command for GNU make.
3377 Mon Jan 19 09:38:18 1998 Richard Henderson <rth@cygnus.com>
3379 * configure.in: Find declaration for sbrk.
3380 * acconfig.h (NEED_DECLARATION_SBRK): New tag.
3381 * config.in, configure: Rebuild.
3382 * mips-tfile.c: Properly protect declaration of sbrk and free.
3383 * toplev.c: Properly protect declaration of sbrk.
3385 Sun Jan 18 20:18:01 1998 Richard Henderson <rth@cygnus.com>
3387 * alpha.c (alpha_handle_trap_shadows): Ignore CLOBBERs.
3389 Sun Jan 18 01:54:27 1998 Jeffrey A Law (law@cygnus.com)
3391 * alpha/xm-winnt.h (HAS_INIT_SECTION): Undefine.
3393 Sun Jan 18 00:57:35 1998 Mike Stump (mrs@wrs.com)
3395 * configure.in (i960-wrs-vxworks): Default to latest vxworks release.
3397 Sat Jan 17 23:41:36 1998 David S. Miller <davem@tanya.rutgers.edu>
3399 * combine.c (force_to_mode, nonzero_bits): Correctly optimize
3400 constant offset computations from objects with known alignment in
3401 the presence of STACK_BIAS.
3403 * varasm.c (immed_double_const): Add casts to HOST_WIDE_INT where
3405 (const_hash): Hash val is unsigned long.
3406 (SYMHASH): Likewise.
3408 * tree.c (TYPE_HASH): Type of hash val is unsigned long.
3410 * print-tree.c (print_node_brief): HOST_PTR_PRINTF format wants a
3411 char pointer, not HOST_WIDE_INT.
3412 (print_node): Likewise. Also hash is unsigned long not
3415 * cse.c (canon_hash): Hash is unsigned long not HOST_WIDE_INT.
3417 * explow.c (optimize_save_area_alloca): New function for targets
3418 where SETJMP_VIA_SAVE_AREA is true.
3419 (allocate_dynamic_stack_space): On SETJMP_VIA_SAVE_AREA targets,
3420 compute the amount of stack space needed should we find later that
3421 setjmp is never called by this function, stuff rtl for this inside
3422 a REG_NOTE of the final SET of stack_pointer_rtx.
3423 * toplev.c (rest_of_compilation): If SETJMP_VIA_SAVE_AREA and
3424 current_function_calls_alloca, call optimize_save_area_alloca.
3426 Sat Jan 17 23:22:59 1998 John Wehle (john@feith.com)
3428 * i386.md: Remove redundant integer push patterns.
3429 Don't bother checking for TARGET_PUSH_MEMORY when
3430 pushing constants or registers.
3432 Sat Jan 17 22:35:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
3433 J.J VanderHeijden <J.J.vanderHeijden@student.utwente.nl>
3435 * pexecute.c (pexecute): New function for mingw32. Supports pipes.
3436 (pwait): New function for mingw32.
3438 * gcc.c (execute): Mingw32 pexecute() supports pipes, but cygwin32
3439 pipe support is broken for now.
3441 1998-01-17 Lee Iverson <leei@Canada.AI.SRI.COM>
3443 * emit_rtl.c (init_emit_once): Ensure that potential aliasing
3444 between frame_pointer_rtx, hard_frame_pointer_rtx, and
3445 arg_pointer_rtx is respected in initialization.
3446 (init_emit_once): Use gen_rtx_raw_REG() to create
3447 return_address_pointer_rtx.
3449 * reorg.c: #include "expr.h" for rtx prototypes.
3450 * Makefile.in (reorg.o): Depend on expr.h
3452 Sat Jan 17 21:28:08 1998 Pieter Nagel <pnagel@epiuse.co.za>
3454 * Makefile.in (FLAGS_TO_PASS): Pass down gcc_include_dir and
3455 local_prefix to sub-make invocations.
3457 Sat Jan 17 21:24:16 1998 David T. McWherter <dtm@waterw.com>
3459 * objc-parse.c: Recognize protocol qualifiers in class definitions.
3461 Sat Jan 17 21:16:19 1998 Jeffrey A Law (law@cygnus.com)
3465 * acconfig.h (NEED_DECLARATION_ATOL): New declaration to check for.
3466 * configure.in: Check for atol.
3467 * rtl.c (atol): Only provide the declaration if NEED_DECLARATION_ATOL.
3469 * rtl.c (read_rtx): Initialize list_rtx to NULL, not NULL_RTX.
3471 * loop.c (find_and_verify_loops): When attempting to move insns from
3472 inside the loop outside the loop, create a BARRIER if no suitable
3475 * jump.c (jump_optimize): Remove Dec 17, 1997 chance in
3476 favor of an equivalent change from gcc-2.8.
3478 * i386/x-sco5 (CC): Remove trailing whitespace.
3480 Sat Jan 17 21:09:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3482 * gengenrtl.c (type_from_format): De-ANSIfy function signature.
3483 (accessor_from_format): Likewise.
3484 (xmalloc): New function for use when linking with alloca.o.
3486 Mon Jan 5 02:53:01 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
3488 * frame.c (find_fde): Correct FDE's upper bound.
3490 Fri Jan 16 16:23:52 1998 Richard Henderson <rth@cygnus.com>
3492 * gengenrtl.c (DEF_RTL_EXPR): Provide a K&R compliant version.
3494 Fri Jan 16 10:16:10 1998 Jeffrey A Law (law@cygnus.com)
3496 * calls.c (expand_call): Move #ifdef code out of macro argument
3498 (emit_library_call, emit_library_call_value): Likewise.
3500 Fri Jan 16 00:46:40 1998 Jeffrey A Law (law@cygnus.com)
3502 * rtl.def (INLINE_HEADER): Fix bug exposed by gen_rtx_FOO changes.
3504 Thu Jan 15 01:02:30 1998 Jeffrey A Law (law@cygnus.com)
3506 * version.c: Bump for snapshot.
3508 Wed Jan 14 22:49:17 1998 Richard Henderson <rth@cygnus.com>
3510 * alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO;
3511 change gen_rtx(expr...) to gen_rtx_fmt_foo(expr...).
3512 * caller-save.c, calls.c, combine.c, cse.c: Likewise.
3513 * dwarf2out.c, except.c, explow.c, expmed.c, expr.c: Likewise.
3514 * final.c, flow.c, function.c, genpeep.c, haifa-sched.c: Likewise.
3515 * halfpic.c, integrate.c, jump.c, local-alloc.c, loop.c: Likewise.
3516 * profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise.
3517 * reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise.
3518 * unroll.c, varasm.c: Likewise.
3519 * config/alpha/alpha.c, config/alpha/alpha.md: Likewise.
3521 Wed Jan 14 19:36:08 1998 Gavin Koch (gavin@cygnus.com)
3523 * mips.h: Fix some type-o's from a previous change.
3525 Wed Jan 14 01:26:05 1998 Jeffrey A Law (law@cygnus.com)
3527 * loop.c (check_dbra_loop): Make sure initial value is a
3528 CONST_INT before trying to normalize it.
3530 Tue Jan 13 23:27:54 1998 Robert Lipe (robertl@dgii.com)
3532 * sco5.h (ASM_OUTPUT_SECTION_NAME): Refresh from ../svr4.h.
3534 Tue Jan 13 22:47:02 1998 Herman ten Brugge <herman@htbrug.net.HCC.nl>
3536 * cppexp.c: Include gansidecl.h
3538 Tue Jan 13 22:43:35 1998 Ian Lance Taylor <ian@cygnus.com>
3540 * svr4.h (LINK_SPEC): Never specify -h.
3541 * ptx4.h (LINK_SPEC): Likewise.
3542 * rs6000/sysv4.h (LINK_SPEC): Likewise.
3543 * sparc/sol2.h (LINK_SPEC): Likewise.
3545 Tue Jan 13 22:39:40 1998 Richard Henderson (rth@cygnus.com)
3547 * c-typeck.c (comptypes): Exit early on NULL input.
3549 * haifa-sched.c (schedule_insns): Correctly remove inter-block
3550 dependencies after reload.
3552 Tue Jan 13 22:22:31 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
3554 * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__.
3556 Tue Jan 13 22:14:57 1998 Klaus Kaempf <kkaempf@progis.de>
3558 * alpha/vms.h (DIR_SEPARATOR): define
3560 Tue Jan 13 22:13:04 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
3562 * Makefile.in (stamp-proto): Remove.
3563 (protoize.o, unprotoize.o): Straightforward compile.
3564 * unprotoize.c: Define UNPROTOIZE here, not in the Makefile.
3566 Tue Jan 13 21:59:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
3568 * i386/cygwin32.h (STRIP_NAME_ENCODING): Define for Win32 to strip
3569 off the trailing @[NUM] added by ENCODE_SECTION_INFO.
3571 Tue Jan 13 21:55:06 1998 Jeffrey A Law (law@cygnus.com)
3573 * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now.
3574 * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise.
3575 * sparc/netbsd.h, vax/netbsd.h: Likewise.
3577 Tue Jan 13 21:37:07 1998 Shigeya Suzuki <shigeya@foretune.co.jp>
3579 * i386/bsd386.h (DWARF2_UNWIND_INFO): Define as zero for now.
3581 Tue Jan 13 17:50:55 1998 Jim Wilson <wilson@cygnus.com>
3583 * configure.in (target_cpu_default, target_cpu_default2): Use double
3584 quotes around them when testing their value.
3585 * configure: Rebuilt.
3587 Tue Jan 13 09:07:44 1998 John Carr <jfc@mit.edu>
3589 * gengenrtl.c (gencode): Emit new function obstack_alloc_rtx
3591 (gendef): Call obstack_alloc_rtx.
3593 Tue Jan 13 01:16:36 1998 Robert Lipe (robertl@dgii.com)
3595 * configure.in: (i[3456]86-UnixWare7-sysv5): Treat much like SVR4
3598 Thu Dec 18 18:40:17 1997 Mumit Khan <khan@xraylith.wisc.edu>
3600 * i386/mingw32.h (INCOMING_RETURN_ADDR_RTX): Delete. Use the value
3601 of DWARF2_UNWIND_INFO, if any, from i386/cygwin32.h instead.
3602 (STANDARD_INCLUDE_DIR): Change to /usr/local/i386-mingw32/include.
3604 Tue Jan 13 00:44:02 1998 Jim Wilson <wilson@cygnus.com>
3606 * mips.md (return_internal): Change mode from SImode to VOIDmode.
3608 Sat Jan 10 22:11:39 1998 J. Kean Johnston <jkj@sco.com>
3610 * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle
3613 Sat Jan 10 22:04:15 1998 Stan Cox <scox@equinox.cygnus.com>
3615 * i386.md: (movsicc_1, movhicc_1): For alternate 3 set the opcode
3616 suffix from operand 3.
3618 Sat Jan 10 21:50:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3619 Jeffrey A Law (law@cygnus.com)
3621 * regmove.c: New implementation of regmove pass.
3622 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2): Remove
3623 decls, make them have external linkage. Return a value from
3624 optimize_reg_copy_1.
3625 * reload.h (count_occurrences): Add decl.
3626 * reload1.c (count_occurrences): Delete decl, make it have external
3628 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Declare.
3630 Sat Jan 10 20:30:12 1998 Jeffrey A Law (law@cygnus.com)
3632 * regclass.c (record_address_regs): Don't use REG_OK_FOR_BASE_P
3633 if it is not defined.
3635 Thu Jan 8 21:06:54 1998 Richard Henderson <rth@cygnus.com>
3637 * Makefile.in (OBJ, GEN, RTL_H): Add genrtl.[oh] bits.
3638 * emit-rtl.c (gen_rtx): Move special code to ...
3639 (gen_rtx_CONST_INT): New function.
3640 (gen_rtx_REG): New function.
3641 (*): Update all calls to gen_rtx.
3642 * genemit.c (gen_exp): Emit calls to gen_rtx_FOO for constant FOO.
3643 * rtl.h: Include genrtl.h; prototype CONST_INT & REG generators.
3644 (GEN_INT): Call gen_rtx_CONST_INT.
3645 * gengenrtl.c: New file.
3647 Mon Jan 5 13:00:18 1998 John F. Carr <jfc@mit.edu>
3649 * alias.c (*_dependence): Call base_alias_check before canon_rtx.
3650 (base_alias_check): If no base found for address call canon_rtx and
3653 Mon Jan 5 11:39:49 1998 Jeffrey A Law (law@cygnus.com)
3655 * mips.c (mips_expand_prologue): Handle large frame with no outgoing
3656 arguments for mips16.
3657 (mips_expand_epilogue): Pass "orig_tsize" to save_restore_insns.
3658 Don't lose if tsize is zero after handling large stack for mips16.
3659 * mips.md (return): For trivial return, return address is in $31.
3661 Sun Jan 4 20:24:00 1998 Nigel Stephens <nigel@algor.co.uk>
3663 * mips/mips16.S: Various changes to make it work with -msingle-float
3666 Sun Jan 4 14:25:18 1998 Gavin Koch <gavin@cygnus.com>
3667 Ian Lance Taylor <ian@cygnus.com>
3668 Jeff Law <law@cygnus.com>
3670 * mips.c, mips.h, mips.md: First cut at merging in mips16
3671 support. Major modifications throughout all three files.
3673 Sun Jan 4 01:01:50 1998 scott snyder <snyder@d0sgif.fnal.gov>
3675 * configure.in: Make gthr-default.h a forwarding header instead of
3678 Sat Jan 3 12:08:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3680 * gcov-io.h: Include sys/types.h to ensure we get size_t.
3682 * pa.h (ASM_OUTPUT_MI_THUNK): Add missing % in fprintf.
3684 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
3685 Jeffrey A Law (law@cygnus.com)
3687 * crtstuff.c (__frame_dummy): New function for irix6.
3688 (__do_global_ctors): Call __frame_dummy for irix6.
3689 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
3691 Fri Jan 2 04:57:57 1998 Weiwen Liu <liu@hepmail.physics.yale.edu>
3693 * alpha.c (vms_valid_decl_attribute_p): Move within #if OPEN_VMS.
3695 Fri Jan 2 04:34:14 1998 Richard Henderson <rth@cygnus.com>
3697 * c-decl.c (init_decl_processing): Provide proper fallback symbol
3698 for __builtin_memset.
3699 * expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
3700 not INTEGER_CST. Assert arg 3 is a constant.
3702 * alpha.c (mode_width_operand): Accept 64-bit modes.
3703 (mode_mask_operand): Likewise.
3704 (print_operand): Likewise for 'M' and 'U' codes.
3705 (alpha_expand_unaligned_load): New function.
3706 (alpha_expand_unaligned_store): Likewise.
3707 (alpha_expand_unaligned_load_words): Likewise.
3708 (alpha_expand_unaligned_store_words): Likewise.
3709 (alpha_expand_block_move): Likewise.
3710 (alpha_expand_block_clear): Likewise.
3711 * alpha.h (MOVE_RATIO): New define.
3712 * alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
3713 (insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
3715 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
3716 (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.
3718 Thu Jan 1 15:40:15 1998 Richard Henderson <rth@cygnus.com>
3720 * configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
3721 * configure: Update.
3723 Thu Jan 1 10:49:12 1998 Jeffrey A Law (law@cygnus.com)
3725 * emit-rtl.c (operand_subword): Correctly handle extracting a word
3726 from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN.
3728 * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate
3731 Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com>
3733 * configure.in: Set and subsitute host_exeext. Use it when creating
3734 the assembler and linker symlinks.
3735 * configure: Rebuild.
3736 * Makefile.in (exeext): Set to @host_exeext@.
3737 (build_exeext): New variable, set to @build_exeext@.
3738 (FLAGS_TO_PASS): Pass down build_exeext.
3739 (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi*
3742 Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com)
3744 * mn10200.md (addsi3, subsi3): Fix thinkos.
3746 Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com>
3748 * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
3749 save+restore. Fix pic+big_offset delay slot. Use "pic" case for
3750 unix always, since we want to be able to thunk to functions in a
3751 shared library from an application.
3753 Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com>
3755 * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.
3756 (LIB1ASMSRC, LIB1ASMFUNCS): Define.
3758 Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com)
3760 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
3761 offset's mode is not ptr_mode, convert it.
3763 Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com>
3765 * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross
3766 compiling if it was already defined.
3768 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
3770 * flow.c (find_basic_blocks): Don't create a new basic block
3771 for calls in a LIBCALL block.
3773 Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu>
3775 * config/fp-bit.c (L_df_to_sf): Fix typo in last change.
3777 Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com)
3779 * cse.c (rtx_cost): Remove conflicting default case.
3781 Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com>
3783 * configure.in: Move default enabling of Haifa out of for loop.
3784 * configure: Rebuild.
3786 Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com)
3788 * version.c: Bump for snapshot.
3790 1997-12-25 Teemu Torma <tot@trema.com>
3792 * Makefile.in (GTHREAD_FLAGS): New var.
3793 (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
3794 (distclean): Remove gthr-default.h.
3796 * configure.in: Accept dce as a thread package.
3797 Check for thread.h and pthread.h.
3798 Link gthr-default.h to appropriate thread file and set
3800 (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
3801 include multilib definitions from pa/t-dce-thr.
3802 (sparc-*-solaris2*): Enable threads by default, if thread.h or
3803 pthread.h is found, preferring posix threads over solaris ones.
3805 * config/pa/t-dce-thr: New file.
3806 * config/pa/t-pa: Removed multilibs.
3807 * config/sparc/t-sol2: Ditto.
3810 * gthr-single.h: New file.
3811 * gthr-posix.h: New file.
3812 * gthr-solaris.h: New file.
3813 * gthr-dce.h: New file.
3814 * libgcc-thr.h: Removed.
3815 * objc/thr-dce.c: New file copied from thr-decosf1.c.
3817 * frame.c: Include gthr.h instead of libgcc-thr.h.
3818 * libgcc2.c: Include gthr.h instead of libgcc-thr.h.
3819 (eh_context_initialize): If __gthread_once fails, use static eh
3821 (eh_context_free): Call __gthread_key_dtor.
3823 Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com)
3825 * expr.h (MUST_PASS_IN_STACK): Allow target port to override.
3827 Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com>
3829 * cse.c (max_insn_uid): New variable.
3830 (cse_around_loop): Use max_insn_uid.
3831 (cse_main): Set max_insn_uid.
3833 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
3834 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
3835 -mlong64, and -mgp{32,64} options.
3836 * mips.c (mips_abi): Change type to int.
3837 * mips.h (enum mips_abi_type): Delete.
3838 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
3839 (mips_abi): Change type to int.
3841 Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu>
3843 * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
3844 optimization is now always enabled.
3846 * calls.c (expand_call): Recognize C++ operator new as malloc-like
3849 * alias.c (memrefs_conflict_p): Eliminate tests now done by
3851 (*_dependence): Call canon_rtx before base_alias_check.
3852 (init_alias_once): New function to precompute set of registers which
3853 can hold Pmode function arguments.
3855 * rtl.h: Declare init_alias_once.
3857 * toplev.c (compile_file): Call init_alias_once.
3859 Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com)
3861 * tree.c (restore_tree_status): Do not dereference a null pointer.
3863 Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com>:
3865 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to
3866 RLIMIT_STACK. This maintains consistency with the recent, similar
3867 patch to cccp.c and toplev.c.
3869 Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com>
3871 * genattrtab.c (expand_units): For large nr opclasses, expand
3872 function_units_used with ORX to prevent blowups. Tag with FFS.
3873 (num_unit_opclasses): New variable.
3874 (gen_unit): Update it.
3875 (enum operator): Add ORX_OP.
3876 (operate_exp): Treat ORX as or, except don't expand across an if.
3877 Reuse number rtx's after operating on them.
3878 (check_attr_value): Accept IOR, AND, & FFS.
3879 (write_test_expr): Transmute `in_comparison' to `flags'. Allow
3880 for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE.
3881 (write_expr_attr_cache, write_toplevel_expr): New functions.
3882 (write_attr_get): Handle FFS-tagged expressions.
3883 (make_canonical): Don't expand const attributes.
3884 (convert_const_symbol_ref): Dike out.
3885 (evaluate_eq_attr): Handle SYMBOL_REF.
3886 (main): Don't emit get_attr_foo for const attributes.
3888 * alpha.c (override_options): Reinstate PROCESSOR_EV6.
3889 (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests.
3890 * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly.
3891 * alpha.md: Redo all of the scheduling, adding EV6 support, and
3892 combining function units where possible.
3893 (attr "type"): Split loads, stores, cmov into int/fp. Combine
3894 multiplies and divides. Add EV6 sqrt, ftoi, itof.
3895 (attr "opsize"): New attribute.
3896 (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns.
3897 (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX
3898 to control register allocation.
3899 (movsi2-1, movdi2-1): Likewise.
3901 Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com>
3903 * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
3904 MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
3905 Move OSF/1 specific defines out.
3906 * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
3907 Move Linux specific defines out.
3908 (LINK_SPEC): Genericize.
3909 (ASM_FILE_START): Emit .arch if using more than the base insn set.
3910 (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
3911 (SDB_DEBUGGING_INFO): Remove; gas can't handle it.
3912 (HANDLE_SYSV_PRAGMA): Define.
3913 * alpha/osf.h: New file.
3914 * alpha/linux.h: Split. Retain file-format independant defines.
3915 Import Linux bits from elf.h.
3916 (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
3917 (FUNCTION_PROFILER): _mcount takes its address in $28.
3918 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
3919 * alpha/linux-ecoff.h: New file.
3920 * alpha/linux-elf.h: New file.
3921 * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
3922 * alpha/win-nt.h (TARGET_DEFAULT): Define.
3923 * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
3924 Add new headers as appropriate.
3926 * configure.in (alpha*): Enable Haifa by default.
3927 (*-*-winnt3*): Change to winnt*, since we're not v3 specific.
3928 * configure: Rebuild.
3930 Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com>
3932 * Makefile.in (clean): Remove the stages with their objects here ...
3933 (distclean): ... instead of here.
3935 Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3937 * cse.c (rtx_cost): Add default case in enumeration switch.
3938 * fix-header.c (recognized_macro): Likewise.
3939 (recognized_extern): Likewise.
3940 (write_rbrac): Likewise.
3941 * objc/objc-act.c (encode_aggregate): Likewise.
3942 (gen_declarator): Likewise.
3943 (gen_declspecs): Likewise.
3945 Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com)
3947 * haifa-sched.c (create_reg_dead_note): Detect and handle another
3948 case where we kill more regs after sched than were killed before
3950 * sched.c (create_reg_dead_note): Similarly.
3952 Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com)
3954 * c-pragma.c: Include flags.h.
3956 Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu>
3958 * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything
3959 about system headers.
3960 (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32
3961 and also to resolve symbols in prefix.c.
3963 * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict
3964 between gansidecl.h and newlib's _ansi.h when building libgcc2.a,
3965 when the definitions in auto-config.h is not visible.
3966 (HAVE_BZERO): Likewise.
3967 (HAVE_BCMP): Likewise.
3968 (HAVE_RINDEX): Likewise.
3969 (HAVE_INDEX): Likewise.
3971 Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com)
3973 * pa.c (emit_move_sequence): Handle a function label source
3976 Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com
3978 * c-pragma.c (handle_pragma_token): Generate warning messages
3979 about unknown pragmas if warn_unknown_pragmas is set.
3981 * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
3982 line option to set variable: warn_unknown_pragmas.
3984 Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de>
3986 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the
3988 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'.
3990 Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com)
3992 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define.
3993 (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to
3994 generate more fine grained floating point emulation libraries.
3995 * config/fp-bit.c: Add protecting #ifdef to all functions so
3996 that they can be compiled separately. If !FINE_GRAINED_LIBRARIES,
3997 then compile all suitable functions.
3998 (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two
3999 underscores to avoid namespace pollution.
4000 * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c
4002 * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
4006 Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4007 Jeff Law <law@cygnus.com>
4009 * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
4011 * c-decl.c (finish_decl): Use parentheses around && within ||.
4012 * rtl.c: Include stdlib.h.
4013 (read_skip_spaces): Add parentheses around assignments used as
4015 (read_rtx): Initialize list_rtx.
4016 * cppexp.c (parse_number): Use || when operands are truth values.
4017 * alias.c (find_base_value): Add default case.
4018 (memrefs_conflict): Likewise.
4019 * combine.c (sets_function_arg_p): Likewise.
4020 * genemit.c (gen_exp): Likewise.
4021 * local-alloc.c (contains_replace_regs): Likewise.
4022 * rtlanal.c (jmp_uses_reg_or_mem): Likewise.
4023 * fold-const.c (fold_convert): Use "&&" for truth values.
4024 (fold): Add default case.
4025 * sdbout.c (sdbout_field_types): Fix typo in declaration.
4026 (sdbout_one_type): Add default case.
4027 * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
4028 (some_operand): Add default case.
4029 (input_operand): Likewise.
4030 (signed_comparison_operator): Likewise.
4031 (divmod_operator): Likewise.
4032 (alpha_set_memflags_1): Likewise.
4033 * reload1.c (reload_cse_simplify_operands): Ensure function
4034 always returns a value.
4035 * scan-decls.c (scan_decls): Likewise.
4036 * c-lex.c (skip_white_space): Fix typo in declaraion.
4037 * c-typeck.c (comp_target_types): Add parentheses around assignment
4038 used as truth value.
4039 (print_spelling): Likewise.
4040 (constructor_implicit, constructor_result): Remove unused variables.
4041 * collect2.c (scan_library): Protect prototype with
4042 #ifdef SCAN_LIBRARIES.
4043 * emit-rtl.c (find_line_note): Fix typo in declaration.
4044 * final.c (asm_insn_count): Protect prototype with
4045 #ifdef HAVE_ATTR_length.
4046 * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
4047 (try_pre_increment_1, try_pre_increment): Likewise.
4048 * regclass.c (auto_inc_dec_reg_p): Protect prototype with
4049 #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit.
4050 * gcov-io.h (__store_long, __write_long, __read_long): Fix
4051 unsigned/signed comparisons.
4052 * gcov.c (read_files): Remove unused "first_type" variable.
4053 (scan _for_source_files): Initialize s_ptr.
4054 (function_summary): Eliminate "%lf" formatting, use %ld for
4056 (output_data): Initialize branch_probs and last_line_num.
4057 Eliminate "%lf" formatting, use "%ld" for longs.
4059 Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com>
4061 * mips16.S: New file.
4063 * libgcc2.c (varargs): Handle mips16.
4065 * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
4067 * stmt.c (expand_end_case): Likewise.
4068 * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
4069 * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
4070 * rs6000.h, sh.h, tahoe.h, v850.h, vax.h: Likewise.
4072 Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4074 * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in
4075 the build directory.
4076 (libobjc.a): Update dependency list.
4077 (libobjc.dll): Likewise. Use libobjc_entry.o from the build
4079 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h.
4080 (objc.mostlyclean): Remove runtime-info.h.
4082 Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com>
4084 * tree.c (build_range_type): Allow creation of ranges with no maximum.
4085 * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE.
4086 * dwarf2out.c (add_subscript_info): Likewise.
4087 * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise.
4088 * sdbout.c (plain_type_1): Likewise.
4089 * stmt.c (pushcase_range, all_cases_count, node_has_high_bound):
4091 * fold-const.c (int_const_binop, fold_convert, make_range, fold):
4094 Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4096 * mips.c (fatal): Remove declaration.
4098 1997-12-18 Mark Mitchell <mmitchell@usa.net>
4100 * integrate.c (get_label_from_map): New function.
4101 (expand_inline_function): Use it. Initialize the label_map to
4102 NULL_RTX instead of gen_label_rtx.
4103 (copy_rtx_and_substitute): Use get_label_from_map.
4104 * integrate.h (get_label_from_map): New function.
4105 (set_label_from_map): New macro.
4106 * unroll.c (unroll_loop): Use them.
4107 (copy_loop_body): Ditto.
4109 Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com>
4111 * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined.
4112 (INIT_TARGET_OPTABS): Define.
4113 * mips/ecoff.h: Include gofast.h before mips.h.
4114 (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS.
4115 * mips/elf64.h: Likewise.
4116 * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define.
4118 Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com>
4120 * except.c: Remove register_exception_table{,_p}.
4122 Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com>
4124 * unroll.c (calculate_giv_inc): Handle constant increment found in
4125 a MEM with an appropriate REG_EQUAL note.
4127 * calls.c (expand_call): Implement LOAD_ARGS_REVERSED.
4129 * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the
4130 frame pointer in the prologue.
4132 Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com>
4134 * i386/x-sco5 (CLIB) Deleted. (ALLOCA) Added.
4135 * i386/xm-sco5.h (USE_C_ALLOCA) Added.
4137 Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com>
4139 * config/m68k/m68k.c (output_function_prologue): Typecast
4140 dwarf2out_cfi_label to (char *).
4141 * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "".
4143 Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com>
4145 * sparc.md (jump): Don't use the annul bit around an empty loop.
4146 Patch from Kevin.Kelly@East.Sun.COM.
4148 Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com)
4150 * jump.c: (jump_optimize): Don't use the return register as a
4151 source1 of a conditional move.
4153 Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com>
4155 * sparc.c (DF_MODES): Or the mask not the bit number.
4156 (function_arg) [ARCH64]: Send unprototyped arg to fp reg first.
4158 Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
4160 * combine.c (force_to_mode): return immediately if operand is a CLOBBER.
4162 Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de>
4164 * fixincludes (size_t): Add support for Motorola's stdlib.h
4165 which fails to provide a definition for size_t.
4166 (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3.
4167 (strlen,strspn,strcspn return value): Handle different layout on sysV88.
4168 (hypot): Provide a fake for hypot for m88k-motorola-sysv3.
4170 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
4171 prevent unresolved externals in libio.
4172 * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise.
4174 Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org)
4176 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
4177 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
4178 (LIB_SPEC): Updated for glibc 2.
4180 Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com)
4182 * ginclude/stdarg.h: Undo BeOS changes, they break hpux.
4183 * ginclude/varargs.h: Likewise.
4185 Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com)
4187 * version.c: Bump for snapshot.
4189 Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org)
4191 * frame.h (__register_frame, __register_frame_table,
4192 __deregister_frame): New.
4193 * frame.c (__register_frame, __register_frame_table,
4194 __deregister_frame): New.
4195 * frame.c (__deregister_frame_info): Return void *.
4196 * frame.h (__deregister_frame_info): Ditto.
4197 * collect2.c (__deregister_frame_info): Ditto.
4199 Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com>
4201 * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG.
4203 Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com>
4205 * alpha.c (alpha_cpu_name): New variable.
4206 (alpha_mlat_string): Likewise.
4207 (alpha_memory_latency): Likewise.
4208 (override_options): Handle -mmemory-latency.
4209 (alpha_adjust_cost): Adjust load cost for latency.
4210 * alpha.h (TARGET_OPTIONS): Add meory-latency.
4211 (REGISTER_MOVE_COST): Define in terms of memory_latency. Take
4212 TARGET_CIX into account.
4213 (MEMORY_MOVE_COST): Define in terms of memory_latency.
4214 * invoke.texi (DEC Alpha Options): Document -mmemory-latency.
4216 * alpha.h (ASM_COMMENT_START): New macro.
4218 Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com>
4220 * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c,
4221 dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change.
4223 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
4224 SUBREG_REG if the word count is unchanged.
4225 * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve
4226 subregs of identical word size for push_reload.
4228 Mon Dec 15 Mark Mitchell <mmitchell@usa.net> 11:41:32 1997
4230 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
4231 if all we're doing is dealing with -Wreturn-type.
4233 Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com>
4235 * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2):
4236 Use and 255 instead of zapnot 1, since it schedules better.
4238 Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com)
4240 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
4243 Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com)
4245 * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on
4246 dependency we delete. Properly update prev for multiple consecutive
4248 (priority): Skip deleted dependence.
4250 Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com>
4252 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod.
4254 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
4256 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
4257 determining when a new basic block starts.
4259 * alpha/osf2or3.h (LIB_SPEC): Restore missing defn.
4261 * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS.
4262 * pa.md (iorsi3): Add missing args to *_operand calls.
4264 * except.c (call_get_eh_context): Don't mess with sequences.
4265 (emit_eh_context): Include the call in the sequence here.
4267 1997-12-11 Paul Eggert <eggert@twinsun.com>
4269 * collect2.c (write_c_file_glob): Allocate initial frame object
4270 in static storage and pass its address.
4272 Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com>
4274 * except.c (call_get_eh_context): Don't take a parm.
4275 Put the call at the top of the function.
4276 (emit_eh_context): Adjust.
4277 (get_eh_context): Replace with former use_eh_context.
4278 (get_eh_context_once, get_saved_pc_ref): Remove.
4279 (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove.
4281 * integrate.c (expand_inline_function): Adjust.
4282 * toplev.c (rest_of_compilation): Don't call emit_unwinder.
4284 Fri Oct 10 17:58:31 CEST 1997 Marc Lehmann <pcg@goof.com>
4286 * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define.
4287 (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise.
4289 Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de>
4291 * fixincludes (strlen,strspn,strcspn return value): Handle different
4293 (hypot): Provide a fake for hypot which is broken on
4294 m88k-motorola-sysv3.
4296 Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu>
4298 * tree.c, tree.h: Change tree_code_type, tree_code_length, and
4299 tree_code_name from pointers to arrays.
4300 * tree.c: Remove standard_tree_code_* variables, no longer used.
4301 * print-tree.c: Remove declaration of tree_code_name.
4303 * cp/lex.c (init_lex): Update for tree_code_* changes.
4304 * objc/objc-act.c (init_objc): Likewise.
4306 * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code
4309 Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com>
4311 * config.sub: Add support for BeOS target.
4312 * configure.in: Likewise.
4313 * ginclude/stdarg.h: Likewise.
4314 * ginclude/stddef.h: Likewise.
4315 * ginclude/varargs.h: Likewise.
4316 * rs6000/beos.h: New file for BeOS.
4317 * rs6000/t-beos: Likewise.
4318 * rs6000/x-beos: Likewise.
4319 * rs6000/xm-beos.h: Likewise.
4320 * toplev.c (get_run_time): Just return 0 on BeOS.
4322 Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com)
4323 Toon Moene (toon@moene.indiv.nluug.nl)
4325 * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly
4326 old and broken Sun3 assemblers. Newer versions handle large
4327 offsets correctly as does the GNU assembler.
4329 Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4331 * objc/objc-act.c (lang_report_error_function): Disable.
4332 * objc/objc-parse.y: Include "output.h".
4333 (yyerror): Remove redundant decl.
4334 (yyprint): Fix prototype.
4335 (apply_args_register_offset): Remove redundant decl.
4336 (get_file_function_name): Likewise.
4338 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
4340 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
4342 (find_basic_blocks_1): Likewise.
4344 Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com>
4346 * except.c (use_eh_context): Don't copy_rtx a REG.
4347 (emit_throw): Lose old unwinder support.
4348 (expand_internal_throw): Likewise.
4349 * libgcc2.c (struct eh_context): Likewise.
4350 (new_eh_context): Likewise.
4351 (__get_eh_info): Lose redundant cast.
4352 (__get_dynamic_handler_chain): Likewise.
4353 (__get_saved_pc): Lose.
4354 Lose all old unwinder support code.
4356 Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com>
4358 Thread-safe EH support for pthreads, DCE threads and Solaris threads.
4360 * integrate.c (expand_inline_function): If the inline fn uses eh
4361 context, make sure that the current fn has one.
4362 * toplev.c (rest_of_compilation): Call emit_eh_context.
4363 * except.c (use_eh_context): New fn.
4364 (get_eh_context_once): New fn.
4365 (call_get_eh_context): New fn.
4366 (emit_eh_context): New fn.
4367 (get_eh_context): Call either get_eh_context_once or
4368 call_get_eh_context, depending on what we have.
4369 (get_dynamic_handler_chain): Call get_eh_context_once.
4370 * except.h: Prototypes for fns above.
4371 * optabs.c (get_eh_context_libfunc): Removed.
4372 (init_optabs): Don't initialize it.
4373 * expr.h (get_eh_context_libfunc): Removed.
4374 * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
4375 * config/pa/pa.h (CPP_SPEC): Support for -threads.
4376 * config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
4377 * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
4378 New multilib for -threads.
4379 * config/sparc/t-sol2: Added multilibs for -threads and
4380 made -pthreads alias to it.
4381 * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
4382 Added -threads and -pthreads options.
4383 * libgcc-thr.h: New file.
4384 * libgcc2.c: (__get_cpp_eh_context): Removed.
4385 (struct cpp_eh_context): Removed.
4386 (struct eh_context): Replaced cpp_eh_context with generic language
4388 (__get_eh_info): New function.
4389 (__throw): Check eh_context::info.
4391 * libgcc2.c: Include libgcc-thr.h.
4392 (new_eh_context, __get_eh_context,
4393 eh_pthread_initialize, eh_context_initialize, eh_context_static,
4394 eh_context_specific, eh_context_free): New functions.
4395 (get_eh_context, eh_context_key): New variables.
4396 (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
4397 get_eh_context to get the context.
4398 (longjmp): Move the declaration inside
4399 #ifdef DONT_USE_BUILTIN_SETJMP.
4400 * frame.c: Include libgcc-thr.h.
4401 (object_mutex): Mutex to protect the object list.
4402 (find_fde, __register_frame, __register_frame_table,
4403 __deregister_frame): Hold the lock while accessing objects.
4404 * except.h (get_eh_context): Declare.
4405 * except.c (current_function_ehc): Define.
4406 (current_function_dhc, current_function_dcc): Removed.
4407 (get_eh_context): New function.
4408 (get_dynamic_handler_chain): Use get_eh_context.
4409 (get_saved_pc_ref): Ditto.
4410 (get_dynamic_cleanup_chain): Removed references to
4411 current_function_dcc.
4412 (save_eh_status, restore_eh_status): Save and restore
4413 current_function_ehc instead.
4414 * optabs.c (get_eh_context_libfunc): New variable.
4415 (init_optabs): Initialize it.
4416 * expr.h: Declare get_eh_context_libfunc.
4417 * function.h (struct function): Replaced dhc and dcc with ehc.
4418 * except.c (get_saved_pc_ref): New functions.
4419 (eh_saved_pc_rtx, eh_saved_pc): Deleted.
4420 (expand_internal_throw_indirect): Use get_saved_pc_ref() instead
4422 (end_eh_unwinder): Likewise.
4423 (init_eh): Remove initialization of eh_saved_pc.
4424 * optabs.c (get_saved_pc_libfunc): New variable.
4425 (init_optabs): Initialize it.
4426 * expr.h: Declare get_saved_pc_libfunc.
4427 * except.h (eh_saved_pc_rtx): Deleted.
4428 (get_saved_pc_ref): Declared.
4430 From Scott Snyder <snyder@d0sgif.fnal.gov>:
4431 * libgcc2.c (__get_saved_pc): New.
4432 (__eh_type, __eh_pc): Deleted.
4433 (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
4434 (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
4437 Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu>
4439 * sparc/sol2.h: Use 64 bit multiply and divide functions in
4440 Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE
4443 * rtl.h (global_rtl): New variable, replacing separate variables for
4445 (const_int_rtx): Now array of rtx_def, not rtx.
4446 * emit-rtl.c: Update for new rtl data structures.
4447 * genattrtab.c: Define global_rtl.
4449 Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu>
4451 * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by
4454 Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com>
4456 * crtstuff.c (__do_global_ctors): Fix typo.
4458 Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de>
4460 * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
4461 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
4463 Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu>
4465 * rs6000.h (FUNCTION_ARG_PADDING): Define.
4466 * rs6000.c (function_arg_padding): New function.
4468 Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de>
4470 * m68k.c: Include tree.h only once.
4472 Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4474 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
4476 Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com)
4478 * Partially cleaned up prototyping code from HJ.
4479 * tree.h: Add many prototypes.
4480 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
4481 All references changed.
4482 * rtl.h: Protect from multiple inclusions. Add many prototypes.
4484 Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com>
4486 * libgcc2.c (string.h): Hoist inclusion to occur before first use of
4487 string functions like strlen.
4489 Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de>
4491 * configure.in: Check for functions getrlimit and setrlimit.
4492 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
4493 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
4495 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
4497 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
4499 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
4501 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
4504 * alpha.c (override_options): Don't know about scheduling for EV6.
4505 * alpha.md (ev5 function units): Don't overload as ev6.
4507 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
4508 * alpha.md (define_attr type): Add mvi.
4509 (ev5_e0): Define sceduling parameters for it.
4510 (TARGET_MAX insns): Type is mvi not shift.
4512 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
4514 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
4516 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4518 * cstamp-h, auto-config.h: Delete.
4520 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
4522 * version.c: Bump for snapshot.
4524 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
4526 * cccp.c: Fix typo brought over in merge.
4528 * Merge in changes from gcc-2.8.
4530 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
4532 * m68k.c: Include tree.h for dwarf2out_cfi_label.
4534 * gcc.c (process_command): Do not take address of function fatal when
4535 calling lang_specific_driver.
4537 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
4539 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
4540 doesn't work with it yet, so set it to 0.
4541 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
4543 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
4545 * cse.c (cse_insn): Check for invalid entries when taking references.
4547 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4549 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
4550 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
4551 * toplev.c (rest_of_compilation): Pass it. Remove code to
4552 save / clear / restore flag_unroll_{,all_}loops.
4554 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
4556 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
4558 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
4560 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
4562 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
4564 * except.c (get_dynamic_handler_chain): Only make the call once per
4567 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
4569 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4571 * sh.c (final_prescan_insn): Use local label prefix
4572 when emitting .uses pseudo-ops.
4574 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
4576 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
4577 * except.c: Lose outer_context_label_stack.
4578 (expand_eh_region_end): Rethrow from outer_context here.
4579 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
4580 (expand_internal_throw): Take no args.
4581 (expand_internal_throw_indirect): Lose.
4582 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
4583 (expand_start_all_catch): Start a rethrow region.
4584 (expand_end_all_catch): End it.
4585 (expand_rethrow): New fn.
4586 * except.h: Reflect above changes.
4587 * flow.c: Revert change of Nov 27.
4589 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
4591 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
4593 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
4595 * except.c (expand_fixup_region_end): New fn.
4596 (expand_fixup_region_start): Likewise.
4597 (expand_eh_region_start_tree): Store cleanup into finalization here.
4598 * stmt.c (expand_cleanups): Use them to protect fixups.
4600 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
4602 * mips/mips.md (muldi3_r4000): Broaden the output template
4603 and attribute assignments to handle three operand dmult;
4604 rename to muldi3_internal2.
4605 (muldi3): Call the new muldi3_internal2 for R4000, and
4606 any GENERATE_MULT3 chip.
4608 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
4610 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
4612 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
4614 * unroll.c (find_splittable_givs): Remove last change. Handle givs
4615 with a dest_reg that was created by loop.
4617 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
4619 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
4621 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
4623 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
4625 * configure.in: Fix NCR entries.
4627 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
4629 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
4630 nested exceptions correctly.
4632 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
4633 that was created by loop.
4635 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
4637 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
4639 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
4641 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
4643 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
4644 (print_operand): Use SMALL_DATA_REG for the register involved in
4645 small data relocations.
4646 (print_operand_address): Ditto.
4648 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
4649 -dynamic linker is not used.
4651 * rs6000.md (call insns): For local calls, use @local suffix under
4652 System V. Don't use @plt under Solaris.
4654 * rs6000.c (output_function_profiler): Put label address in r0, and
4655 store LR in 4(sp) for System V/eabi.
4657 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
4658 byte boundary, and maintain stack backchain.
4660 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
4662 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
4663 fix_truncsfdi2): Change *.
4665 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
4667 * toplev.c (main): Complain about -gdwarfn.
4669 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
4671 * dwarfout.c (output_type): If finalizing, write out nested types
4672 of types we've already written.
4674 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
4676 (patches originally from Geoffrey Keating)
4677 * rs6000.c (function_arg): Excess floating point arguments don't
4678 go into GPR registers after exhausting FP registers under the
4680 (function_arg_partial_nregs): Ditto.
4682 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
4685 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
4687 * integrate.c (output_inline_function): Just unset DECL_INLINE.
4689 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
4691 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
4694 * libgcc2.c (__throw): Initialize HANDLER.
4696 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
4698 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
4699 fix_truncsfdi2): Change *X to ?*X.
4701 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
4703 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
4705 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
4707 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
4709 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
4711 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
4713 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
4715 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
4716 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
4719 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
4721 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
4722 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
4723 gas and not using the new HP assembler.
4725 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
4727 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
4728 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
4730 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
4732 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
4733 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
4736 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
4738 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
4740 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
4742 * except.h: Add outer_context_label_stack.
4743 * except.c: Likewise.
4744 (expand_start_all_catch): Push the outer_context for the try block
4745 onto outer_context_label_stack.
4746 (expand_end_all_catch): Use it and pop it.
4748 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
4750 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
4752 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
4754 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
4756 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
4758 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
4759 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
4761 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
4763 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
4764 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
4765 __builtin_delete, and __builtin_vec_delete.
4767 * except.c (output_exception_table): Don't bother with
4770 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
4772 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
4773 is an in/out operand.
4774 (zero extended variants of stwm/stwm patterns): Similarly.
4776 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
4778 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
4780 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
4782 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
4783 (output_call_frame_info): Emit a \n after using it.
4785 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
4787 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
4789 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
4791 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
4792 (ASM_OUTPUT_DWARF_VALUE4): New macro.
4793 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
4795 (output_call_frame_info): Do not output forward label differences
4796 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
4797 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
4799 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4801 * sh.md (attribute "type"): Add nil.
4802 (movsi_ie): y/y alternative is type nil.
4803 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
4805 (movsf_ie+1): Delete.
4807 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
4809 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
4810 large_int, emit two insns instead of one splitable insn.
4811 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
4812 from cfa_temp_value, use cfa_offset. Add assert checking that
4815 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
4817 * cccp.c (deps_output): Properly quote file names for make.
4819 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
4821 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
4823 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
4825 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
4827 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
4829 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
4831 (cse_end_of_basic_block): Similarly.
4833 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
4835 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
4836 (SELECT_RTX_SECTION): Define.
4837 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
4839 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
4841 * Makefile.in (compare, compare-lean): Define $stage for each
4843 (gnucompare, gnucompare-lean): Likewise.
4845 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
4847 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
4849 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
4850 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
4852 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
4854 * dwarfout.c (byte_size_attribute): Add local var upper_bound
4855 and add case to handle STRING_TYPE.
4856 * dwarfout.c (output_string_type_die): Fix code to generate
4857 correct string length attribute for fixed length strings.
4858 Still needs support for varying length strings.
4860 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
4862 * toplev.c (get_run_time): Do something sensible for cygwin32.
4864 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
4866 * expr.c (expand_builtin_setjmp): Set
4867 current_function_has_nonlocal_label.
4868 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
4869 call-saved registers across calls.
4871 * alpha.md (exception_receiver): Remove.
4872 (nonlocal_goto_receiver_osf): New
4873 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
4874 (nonlocal_goto_receiver): New, select _osf or _vms.
4876 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
4877 keep them from being propogated to the object file.
4878 (alpha_write_linkage): Likewise.
4879 * alpha.md (call_vms): Likewise.
4880 (call_value_vms): Likewise.
4881 (unnamed osf call insns): Likewise.
4883 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
4884 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
4886 * alpha.c (call_operand): Any reg is valid for WinNT.
4887 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
4888 (anon nt calls): Add 'R' alternative.
4889 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
4890 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
4892 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
4894 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
4896 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
4897 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
4898 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
4900 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
4902 * reload1.c (new_spill_reg): Improve fixed or forbidden register
4903 spill error message.
4905 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4907 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
4908 use varargs.h. Wrap header with <>, not "".
4910 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
4912 * integrate.c (save_for_inline_copying): Add return value from
4915 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
4917 * fixincludes: Be a little more restrictive on what we will
4918 substitute to replace definitions of MAXINT for HPUX.
4920 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
4922 * dbxout.c (dbxout_symbol_location): Don't assume that variables
4923 whose address is the stack or argument pointers are indirect
4926 1997-11-13 Paul Eggert <eggert@twinsun.com>
4928 * cccp.c, cpplib.c (compare_defs):
4929 Don't complain about arg name respellings unless pedantic.
4930 * cpplib.c (compare_defs): Accept pfile as new arg.
4931 All callers changed.
4933 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4935 * fold-const.c (fold_truthop): Fix bug in last change.
4937 1997-11-13 Paul Eggert <eggert@twinsun.com>
4939 Fix some confusion with IEEE minus zero.
4941 * real.h (REAL_VALUES_IDENTICAL): New macro.
4943 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
4944 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
4946 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
4947 same tree structure as 0.0.
4949 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
4950 macro instead of doing it by hand.
4952 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
4954 * v850/lib1funcs.asm: Minor whitespace changes.
4955 * v850.c: Fix minor formatting problems in many places.
4956 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
4958 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
4960 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
4961 xplus1 when xplus0 is not a register.
4963 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
4965 * flow.c (find_basic_blocks): During marking phase, if we encounter
4966 an insn with a REG_LABEL note, make the target block live and
4967 create an edge from the insn to the target block. Do not make
4968 edges from all blocks to the target block.
4970 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
4972 * confiugre.in: Tweak NCR entries.
4973 * configure: Rebuilt.
4975 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
4977 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
4978 pick apart floating point values, instead of using CONST_DOUBLE_LOW
4979 and CONST_DOUBLE_HIGH.
4981 * rs6000.md (define_splits for DF constants): Use the appropriate
4982 REAL_VALUE_* interface to pick apart DF floating point constants in
4983 a machine independent fashion.
4985 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4987 * fold-const.c (fold_truthop): When changing a one-bit comparison
4988 against zero into a comparison against mask, do a proper sign
4991 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
4993 * except.c: Do not include "assert.h".
4994 (save_eh_status): Turn asserts into conditional aborts.
4995 (restore_eh_status, scan_region): Likewise.
4996 * dwarfout.c: Do not include "assert.h".
4997 (bit_offset_attribute): Turn asserts into conditional aborts.
4998 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
4999 (output_inlined_structure_type_die): Likewise.
5000 (output_inlined_union_type_die): Likewise
5001 (output_tagged_type_instantiation): Likewise.
5002 (dwarfout_file_scope_decl): Likewise.
5003 * dwarf2out.c: Do not include "assert.h"
5004 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
5005 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
5006 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
5007 (add_bit_size_attribute, scope_die_for): Likewise.
5008 (output_pending_types_for_scope): Likewise.
5009 (get_inlined_enumeration_type_die): Likewise.
5010 (get_inlined_structure_type_die): Likewise.
5011 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
5012 (gen_tagged_type_instantiation_die): Likewise.
5014 * flow.c (find_basic_blocks): Refine further to get a more correct
5015 cfg, especially in the presense of exception handling, computed
5016 gotos, and other non-trivial cases. Call abort if an inaccuracy
5017 is detected in the cfg.
5019 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5021 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
5023 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
5024 (skip_white_space): Use whitespace_cr.
5025 (check_newline): Handle whitespace more consistently.
5027 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
5029 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
5030 * i386/xm-cygwin32.h (POSIX): Define.
5032 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
5034 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
5035 is available elsewhere.
5037 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
5039 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
5040 what the instruction can handle.
5042 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
5044 * stmt.c (expand_decl_cleanup_no_eh): New fn.
5046 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
5048 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
5050 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
5051 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
5053 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
5055 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
5056 swap instruction order.
5058 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
5060 * fixinc.svr4 (__STDC__): Add another case.
5062 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5064 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
5065 addresses in the epilogue delay slot.
5067 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
5069 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
5070 in generated `specs' file.
5072 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
5074 * flags.h (flag_rerun_loop_opt): Declare.
5075 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
5076 * toplev.c (flag_rerum_loop_opt): Delete static.
5078 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5080 Bring over from FSF:
5082 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5084 * va-sh.h (__va_arg_sh1): Define.
5086 SH3E doesn't use any integer registers for subsequent arguments
5087 once a non-float value was passed in the stack.
5088 * sh.c (machine_dependent_reorg): If optimizing, put explicit
5089 alignment in front label for ADDR_DIFF_VEC.
5090 * sh.h (PASS_IN_REG_P): Fix SH3E case.
5091 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
5093 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5095 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
5098 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5100 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
5101 put an use_sfunc_addr before each sfunc.
5102 * sh.md (use_sfunc_addr, dummy_jump): New insns.
5103 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
5105 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5107 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
5109 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
5111 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
5114 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
5116 * alias.c (find_base_value): Only return the known base value for
5119 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
5121 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
5122 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
5124 (prologue_get_pc_and_set_got): New pattern.
5126 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
5128 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
5129 for SUBREG, just fall through.
5131 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
5133 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
5135 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
5137 * fixincludes: Fix "hypot" prototype in NeXT math.h.
5139 * Makefile.in (USE_ALLOCA): Always include alloca.o.
5140 (USE_HOST_ALLOCA): Likewise.
5142 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
5143 and LABEL_REFS fields.
5144 * rtl.h (LABEL_REFS): Update.
5146 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
5148 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
5149 sets i2dest. When calling distribute_notes for i3dest_killed, pass
5150 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
5153 * mips.md (insv, extzv, extv): Add change_address call.
5154 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
5156 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
5158 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
5160 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
5161 save_restore_insns if no FP and GP will be restored.
5163 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
5164 Convert CCmode to word_mode before calling GET_MODE_SIZE.
5166 * acconfig.h (HAVE_INTTYPES_H): Undef.
5167 * configure.in (inttypes.h): Check for conflicts between sys/types.h
5168 and inttypes.h, and verify that intmax_t is defined.
5169 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
5170 * config/mips/x-iris3: Likewise.
5172 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
5174 * alias.c (find_base_value): When copying arguments, return the
5175 tenative value for a hard register.
5177 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
5179 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
5180 (yylex): Record wide strings using target endianness, not host.
5182 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
5184 * mn10200.h (ASM_OUTPUT_BSS): Delete.
5185 (ASM_OUTPUT_ALIGNED_BSS): New macro
5186 * mn10300.h (ASM_OUTPUT_BSS): Delete.
5187 (ASM_OUTPUT_ALIGNED_BSS): New macro.
5188 * v850.h (ASM_OUTPUT_BSS): Delete.
5189 (ASM_OUTPUT_ALIGNED_BSS): New macro.
5191 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5193 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
5195 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
5197 * configure.in (sco5): Use cpio to install header files.
5199 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
5201 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
5203 * configure: Rebuild.
5205 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
5207 * i386/sco5.h: enable -gstabs once again.
5209 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
5211 * arm.c (output_move_double): Allocate 3 entries in otherops array.
5213 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
5215 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
5216 notes for sjlj exceptions too.
5217 (expand_eh_region_end): Similarly for EH_REGION_END notes.
5218 (exception_optimize): Optimize EH regions for sjlj exceptions too.
5219 * final.c (final_scan_insn): Don't output labels for EH REGION
5220 notes if doing sjlj exceptions.
5222 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
5224 * alias.c (init_alias_analysis): Handle -fno-alias-check when
5225 optimizing correctly.
5227 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
5228 or set current_function_calls_setjmp anymore.
5230 * flow.c (find_basic_blocks): If we delete the label for an
5231 exception handler, remove it from the EH label list and remove
5232 the EH_BEGIN/EH_END notes for that EH region.
5234 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
5236 * flow.c (find_basic_blocks): Generate correct flow control
5237 information when exception handling notes are present.
5239 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
5241 * dwarf2out.c (output_call_frame_info): Fix length argument
5242 to ASM_OUTPUT_ASCII.
5243 (output_die, output_pubnames, output_line_info): Likewise.
5245 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
5247 * version.c: Bump for snapshot.
5249 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
5250 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
5251 flag_debug_asm is on.
5252 (output_die, output_pubnames, output_line_info): Likewise.
5254 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
5255 and static_chain_rtx into the potential base values array if
5258 * alias.c (new_reg_base_value): New array of potential base values.
5259 (unique_id): Now file scoped static.
5260 (find_base_value, case REG): Return the value in reg_base_value
5261 array for the REG if it exists. Else, return the value from
5262 new_reg_base_value if copying args and REG is a hard register.
5263 (find_base_value, case PLUS): If either operand of the PLUS is
5264 a REG, try to get its base value. Handle base + index and
5266 (record_set): Use new_reg_base_value instead of reg_base_value.
5267 (init_alias_analysis): Allocate space for new_reg_base_value too.
5268 Rework code to iterate over the insns propagating base value
5269 information until nothing changes.
5271 * global.c (global_alloc): Free the conflict matrix after
5272 reload has finished.
5274 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
5276 * libgcc2.c (L_eh): Define __eh_pc.
5277 Replace __eh_type with generic pointer __eh_info.
5279 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
5281 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
5282 use copy_to_reg if address is not a general_operand.
5284 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5286 * profile.c (output_func_start_profiler): Clear flag_inline_functions
5287 for the duration of the call to rest_of_compilation.
5289 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
5291 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
5293 (sparc*-*-*): Recognize --with-cpu=v9.
5294 * sparc/elf.h: New file.
5295 * sparc/t-elf: New file.
5297 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
5299 * mn10300.c (const_8bit_operand): New function.
5300 (mask_ok_for_mem_btst): New funtion.
5301 * mn10300.md (btst patterns with mem operands): Use new functions
5302 to avoid creating btst instructions with invalid operands.
5304 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
5306 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
5307 are running on PowerPC Linux.
5309 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
5311 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
5312 if not previously defined.
5314 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
5316 * function.c (assign_parms): Correct mode of stack_parm if
5317 entry_parm underwent a mode conversion.
5319 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
5321 * global.c (global_alloc): Use xmalloc instead of alloca for
5322 CONFLICTS, since max_allocno * allocno_row_words alone can be more
5323 than 2.5Mb sometimes.
5325 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
5327 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
5328 DEST for the spill, adjust mode of SRC to compensate.
5330 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
5332 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
5333 since any_memory_operand() allows pseudos during reload.
5334 (reload_inhi, reload_outqi, reload_outhi): Likewise.
5336 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
5338 * m68k.md (btst patterns): Add 5200 support.
5340 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
5342 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
5343 optimizations, look inside dividend to determine if the expression
5344 can be simplified by using EXACT_DIV_EXPR.
5346 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
5349 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
5351 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
5353 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
5355 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
5357 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
5360 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
5362 * alpha.md (movqi, movhi): Make sure new insns created during reload
5363 won't need reloading themselves.
5364 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
5366 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
5368 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
5370 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
5372 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
5373 Patch from Klaus Kaempf <kkaempf@progis.de>.
5375 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
5377 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
5378 to an element in a constant string.
5380 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
5382 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
5383 bit PC-relative offset. The exception range table pointer is now in
5385 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
5386 (count_fdes, add_fdes, get_cie): Adjust.
5387 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
5390 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
5392 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
5394 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
5395 like stack_pointer_rtx.
5397 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
5399 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
5400 targets using "$@" to provide support for similar but not identical
5401 targets without having to duplicate code.
5402 (bootstrap4): New goal.
5404 * Makefile.in (compare, compare-lean, compare3): Combined to one
5405 ruleset determining actions to be performed via $@.
5406 (compare4, compare4-lean): New targets.
5407 (gnucompare, gnucompare3): Combined to one ruleset determining
5408 actions to be performed via $@. Also, note which files failed
5409 the comparison test in .bad_compare.
5410 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
5412 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
5414 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
5415 if the dividend is a multiple of the divisor.
5417 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
5419 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
5421 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
5424 * alias.c (true_dependence): Fix typo.
5426 * toplev.c (flag_rerun_loop_opt): New variable.
5427 (f_options): Handle -frerun-loop-opt.
5428 (rest_of_compilation): If -frerun-loop-opt, then run the loop
5430 (main): Enable -frerun-loop-opt by default for -O2 or greater.
5432 * loop.c (simplify_giv_expr): Adding two invariants results
5435 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
5437 * expr.c (get_inner_reference): Remove the array bias after
5438 converting the index to Pmode.
5440 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
5442 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
5443 (TARGET_MULT_BUG): Define.
5444 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
5445 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
5447 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
5449 * mn10200.c (indirect_memory_operand): Delete unused function.
5450 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
5451 * mn10200.md (bset, bclr insns): Handle output in a reg too.
5453 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
5455 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
5456 the callee's ldgp, we must do it ourselves, and we use the jsr tag
5457 for more than scheduling.
5459 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
5461 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
5463 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
5465 * mn10300.c (symbolic_operand, legitimize_address): New functions.
5466 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
5467 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
5469 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
5471 * version.c: Bump for snapshot.
5473 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5475 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
5478 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
5480 * toplev.c (flag_exceptions): Default value is 2.
5481 (compile_file): If flag_exceptions still has the value 2, then
5484 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
5485 (rs6000_save_machine_status): Save pic_offset_table_rtx.
5486 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
5488 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
5491 * rs6000.md (*movsi_got_internal_mem): New pattern.
5492 (*movsi_got_internal_mem splitter): New define_split.
5494 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
5496 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
5498 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
5500 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
5501 only need to save LR.
5503 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
5505 * mn10300.md (movqi, movhi): Avoid using address registers as
5506 destinations unless absolutely necessary.
5508 * mn10200.c (expand_prologue): Fix typo.
5510 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
5512 * mn10200.md (neghi2): Provide an alternative which works if
5513 the input and output register are the same.
5515 * mn10300.c (print_operand): Handle 'S'.
5516 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
5517 shift amount in last alternative
5519 * mn10300.c (expand_epilogue): Rework to handle register restores
5520 in "ret" and "retf" instructions correctly.
5522 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
5524 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
5525 extzv for memory operands.
5527 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
5528 redundant conditional moves to single operand.
5530 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
5532 * v850.h: Move define of __v850__ from CPP_PREDEFINES
5535 * xm-v850.h: Use __v850 rather than __v850__ to
5538 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
5540 * mips/mips.c (compute_frame_size): Not a leaf function if
5543 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
5545 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
5547 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
5549 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
5550 (DEFAULT_ARCH32_P): New macro.
5551 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
5552 (enum cmodel): Declare.
5553 (sparc_cmodel_string,sparc_cmodel): Declare.
5554 (SPARC_DEFAULT_CMODEL): Provide default.
5555 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
5556 (TARGET_FULLANY): Deleted.
5557 (TARGET_CM_MEDMID): New macro.
5558 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
5559 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
5560 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
5561 (CPP_SPEC): Rewrite.
5562 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
5563 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
5564 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
5565 (ASM_SPEC): Add %(asm_arch).
5566 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
5567 Rename asm_default to asm_cpu_default.
5568 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
5569 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
5570 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
5571 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
5572 (MASK_INT64,MASK_LONG64): Delete.
5573 (MASK_ARCH64): Renamed to MASK_64BIT.
5574 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
5575 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
5576 (TARGET_SWITCHES): Always provide 64 bit options.
5577 (ARCH64_SWITCHES): Delete.
5578 (TARGET_OPTIONS): New option -mcmodel=.
5579 (INT_TYPE_SIZE): Always 32.
5580 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
5581 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
5582 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
5583 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
5584 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
5586 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
5587 * sparc/linux.h: Likewise.
5588 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
5589 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
5590 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
5591 (SPARC_DEFAULT_CMODEL): Define.
5592 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
5593 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
5594 (LONG_DOUBLE_TYPE_SIZE): Define.
5595 (ASM_SPEC): Add %(asm_arch).
5596 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
5597 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
5598 (TARGET_CPU_DEFAULT): Add ultrasparc case.
5599 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
5600 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
5601 (SPARC_DEFAULT_CMODEL): Define.
5602 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
5603 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
5604 MASK_LONG64, MASK_MEDANY.
5605 (SPARC_DEFAULT_CMODEL): Define.
5606 (CPP_PREDEFINES): Delete.
5607 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
5608 (ASM_SPEC): Add %(asm_arch).
5609 (LONG_DOUBLE_TYPE_SIZE): Define.
5610 (DWARF2_DEBUGGING_INFO): Define.
5611 * sparc/splet.h (CPP_SPEC): Delete.
5612 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
5613 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
5614 (BLOCK_PROFILER): Likewise.
5615 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
5616 (sparc_override_options): Handle code model selection.
5617 (sparc_init_expanders): Renamed from sparc64_init_expanders.
5618 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
5619 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
5620 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
5621 (sethi_di_fullany): Delete.
5623 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
5624 Jeff Law <law@cygnus.com>
5625 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5627 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
5628 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
5629 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
5630 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
5631 * alpha/alpha.md (arg_home): Likewise.
5633 * alpha/alpha.c (vmskrunch): Delete
5634 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
5635 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
5636 truncate to 64 characters.
5638 * make-l2.com: Support openVMS/Alpha.
5640 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
5642 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5644 * longlong.h (count_leading_zeros): Add missing casts to USItype.
5646 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
5648 * i386/bsd386.h (ASM_COMMENT_START): Define.
5650 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
5652 * tree.c (restore_tree_status): Also free up temporary storage
5653 when we finish a toplevel function.
5654 (dump_tree_statistics): Print stats for backend obstacks.
5656 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
5658 * expr.c (use_group_regs): Don't call use_reg for MEMs.
5660 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
5662 * libgcc2.c (__throw): Don't copy the return address.
5663 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
5665 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
5666 * toplev.c (main): Initialize exceptions_via_longjmp.
5668 * tree.c: Add extra_inline_obstacks.
5669 (save_tree_status): Use it.
5670 (restore_tree_status): If this is a toplevel inline obstack and we
5671 didn't want to save anything on it, recycle it.
5672 (print_inline_obstack_statistics): New fn.
5673 * function.c (pop_function_context_from): Pass context to
5674 restore_tree_status.
5675 * obstack.h (obstack_empty_p): New macro.
5677 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
5679 * i386/freebsd.h (ASM_COMMENT_START): Fix.
5681 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
5683 * v850.c (ep_memory_offset): New function.
5684 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
5686 * v850.h (CONST_OK_FOR_*): Add and correct comments.
5687 (CONSTANT_ADDRESS_P): Add comment.
5688 (EXTRA_CONSTRAINT): Define 'U'.
5689 * v850.md: Add comments on bit field instructions.
5690 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
5691 (lshrsi3): Use N not J constraint.
5693 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
5695 * v850.c (reg_or_0_operand): Call register_operand.
5696 (reg_or_int5_operand): Likewise.
5697 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
5698 (TARGET_SWITCHES): Add "big-switch".
5699 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
5700 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
5701 (CASE_DROPS_THROUGH): Comment out.
5702 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
5703 * v850.md (cmpsi): Delete compare mode.
5704 (casesi): New pattern.
5706 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
5707 * v850.md (ashlsi3): Use SImode not QImode for shift count.
5708 (lshrsi3): Likewise.
5710 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
5711 unreachable switch statement after 'b' support. Remove "b" from
5712 strings for 'b' support.
5713 * v850.md (branch_normal, branch_invert): Change %b to b%b.
5715 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
5717 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
5718 empty line if @inhibit_libc@ is empty.
5720 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
5722 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
5723 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
5724 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
5725 (DWARF2_UNWIND_INFO): Let this track object file format.
5726 (EXTRA_SECTIONS): Add in_eh.
5727 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
5728 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
5730 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
5732 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
5733 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
5735 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
5736 (output_double_int): Output DI mode values correctly when
5737 HOST_BITS_PER_WIDE_INT is 64.
5738 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
5739 fmovd so it works if a quad float ends up in one of the upper 32
5741 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
5742 necessary for PIC support on sparc64.
5744 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
5746 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
5747 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
5748 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
5749 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
5750 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
5751 (SPARC_FP_ARG_FIRST): New macro.
5752 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
5753 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
5754 (NPARM_REGS): There are 32 fp argument registers now.
5755 (FUNCTION_ARG_REGNO_P): Likewise.
5756 (FIRST_PARM_OFFSET): Update to new v9 abi.
5757 (REG_PARM_STACK_SPACE): Define for arch64.
5758 (enum sparc_arg_class): Delete.
5759 (sparc_arg_count,sparc_n_named_args): Delete.
5760 (struct sparc_args): Redefine and use for arch32 as well as arch64.
5761 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
5762 (FUNCTION_ARG_ADVANCE): Rewrite.
5763 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
5764 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
5765 (FUNCTION_ARG_CALLEE_COPIES): Delete.
5766 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
5767 (STRICT_ARGUMENT_NAMING): Define.
5768 (doublemove_string): Declare.
5769 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
5770 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
5771 (doublemove_string): New function.
5772 (output_move_quad): Clean up some of the arch64 support.
5773 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
5774 Don't add 8 bytes of reserved space if arch64.
5775 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
5776 (init_cumulative_args): New function.
5777 (function_arg_slotno): New static function.
5778 (function_arg,function_arg_partial_nregs): New functions.
5779 (function_arg_{pass_by_reference,advance}): New functions.
5780 (function_arg_padding): New function.
5781 * ginclude/va-sparc.h: Rewrite v9 support.
5783 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
5785 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
5786 for hard regs to determine base and index registers.
5788 * reload.c (debug_reload_to_stream): New function. Specify stream
5789 into which to write debug info.
5790 (debug_reload): Modify to call debug_reload_to_stream with stderr.
5792 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
5794 * combine.c (can_combine_p): Don't combine with an asm whose
5795 output is a hard register.
5797 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
5799 * c-decl.c (start_struct): Ensure that structs with forward
5800 declarations are in fact packed when -fpack-struct is given.
5802 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
5803 we are packing a structure. This allows a structure with only
5804 bytes to be aligned on a byte boundary and have no padding on a
5807 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5809 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
5811 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
5813 * alpha.c (alpha_return_addr_rtx): New variable.
5814 (alpha_save_machine_status): New; save it.
5815 (alpha_restore_machine_status): New; restore it.
5816 (alpha_init_expanders): New; clear it.
5817 (alpha_return_addr): New; set it.
5818 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
5819 is overly conservative, so search the insns explicitly.
5820 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
5821 (alpha_sa_size [VMS && !VMS]): Likewise.
5822 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
5823 (INIT_EXPANDERS): New definition.
5825 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
5826 (output_prolog [!VMS]): Use them.
5828 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
5829 (alpha_does_function_need_gp): ... a new function. Refine the
5830 CALL_INSN test to just TYPE_JSR.
5831 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
5833 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
5835 * version.c: Bump for snapshot.
5837 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5839 * pa.c (move_operand): Respect -mdisable-indexing.
5840 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
5842 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
5844 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
5846 (umulsidi3,umulsi3_highpart): Ditto.
5847 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
5849 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
5851 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
5852 (alpha_handle_trap_shadows): ... a new function. Handle the entire
5853 function in one go. Emit RTL for trapb, instead of printf directly.
5854 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
5855 (trap_pending): Kill global variable.
5856 (output_epilog): Don't call final_prescan_insn.
5857 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
5858 * alpha.h (FINAL_PRESCAN_INSN): Remove.
5859 (MACHINE_DEPENENT_REORG): Define.
5860 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
5863 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
5865 Tune Haifa scheduler for Alpha:
5866 * alpha.h (ISSUE_RATE): Define.
5867 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
5868 EV4 adjustments to EV5.
5869 * alpha.md: Remove all scaling from function unit delays. Rework
5870 EV5 function units to match the CPU.
5871 (umuldi3_highpart): EV5 added the IMULH insn class.
5873 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
5875 * pa.c (following_call): Fail if the CALL_INSN is an indirect
5878 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
5880 * cplus-dem.c (demangle_signature): Don't look for return types on
5881 constructors. Handle member template constructors.
5883 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
5885 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
5886 * tree.h: Declare them.
5888 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
5890 * configure.in: Handle --with-newlib.
5891 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
5893 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
5895 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
5897 * config/ptx4.h: Fix typo.
5899 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
5901 * version.c: Bump for snapshot.
5903 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
5905 * aclocal.m4: Substitute INSTALL.
5906 * configure: Re-built.
5908 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
5910 * integrate.c (save_for_inline_copying): Avoid undefined pointer
5912 (expand_inline_function): Likewise.
5914 * dwarf2out.c (output_call_frame_info): Reinstate last change
5915 using flag_debug_asm check instead of flag_verbose_asm.
5917 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
5919 * dwarf2out.c (output_call_frame_info): Remove last change.
5921 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5923 * frame.c (__frame_state_for): Execute the FDE insns until the
5924 current pc value is strictly bigger than the target pc value.
5926 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
5928 * regclass.c (init_reg_modes): If we can't find a mode for the
5929 register, use the previous one.
5931 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
5933 * haifa-sched.c (print_block_visualization): Call fprintf directly,
5934 don't sprintf through an alloca'ed buffer.
5936 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
5938 * reload.c (decompose): Always initialize val.base.
5940 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
5942 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
5943 instead of aborting.
5944 * dwarf2out.c (output_call_frame_info): Call app_enable and
5945 app_disable to let GNU as accept the generated comments.
5947 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
5949 * tree.h (get_file_function_name): Add declaration.
5950 * dwarf2out.c (output_call_frame_info): No need to cast
5951 get_file_function_name call anymore.
5952 * profile.c (toplevel): Remove get_file_function_name
5954 * c-lang.c (finish_file): Ditto.
5956 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
5958 * Makefile.in (program_transform_name): Let autoconf substitute
5961 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
5963 * haifa-sched.c (schedule_block): If the first real insn in a
5964 block has any special notes attached to it, remove them.
5966 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
5968 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
5970 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
5972 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
5974 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
5976 * Makefile.in (check-g77): New test target.
5977 (CHECK-TARGETS): Add check-g77.
5979 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
5981 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
5983 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
5985 * flow.c (print_rtl_with_bb): Cast alloca return value for
5988 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
5990 * i386.h (RETURN_ADDR_RTX): New definition that works for
5991 __builtin_return_address(0) and -fomit-frame-pointer.
5993 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
5995 Bring over from FSF.
5996 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
5998 * mips.c (function_arg): Handle passing a struct
5999 containing a double in a DFmode register without the PARALLEL.
6001 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
6003 * pexecute.c: Use spawn if __CYGWIN32__.
6005 * pexecute.c: Include "config.h" first, as per autoconf manual
6006 (from Paul Eggert <eggert@twinsun.com>).
6008 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
6010 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
6011 optimisation for f/expr.o and f/stb.o.
6013 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
6015 * cse.c (this_insn_cc0_mode): Initialize.
6017 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
6019 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
6021 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
6023 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
6025 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
6026 that pair will dual-issue on the 21164 and plus+beq won't.
6027 (bne): Likewise for cmpeq+beq.
6029 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
6031 * except.c (find_exception_handler_labels): Correct argument to free.
6033 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
6035 * except.c (find_exception_handler_labels): Free LABELS when we're
6038 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
6040 * version.c: Bump for snapshot.
6042 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
6044 * flow.c (find_basic_blocks): Mark calls as potentially jumping
6047 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
6049 * configure.in: Substitute for "install" too.
6050 * configure: Rebuilt.
6052 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
6054 * Makefile.in (bootstrap-lean, compare-lean): New targets.
6056 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
6058 * alias.c (base_alias_check): Two symbols can conflict if they
6059 are accessed via AND.
6060 (memrefs_conflict_p): Likewise.
6062 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
6063 after flushing argument registers to the stack.
6065 * Makefile.in (mostlyclean): Remove .regmove files.
6067 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
6069 * libgcc2.c (__throw): Fix thinko.
6071 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
6073 * cplus-dem.c (demangle_template): Add new parameter. Handle new
6074 template-function mangling.
6075 (consume_count_with_underscores): New function.
6076 (demangle_signature): Handle new name-mangling scheme.
6078 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
6080 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
6083 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
6085 * frame.c: Remove last change.
6086 * dwarf2.h: Remove last change.
6087 * tree.h: Add declarations of DWARF2 unwind info support
6090 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
6092 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
6093 * tree.h (built_in_function): Likewise.
6094 * expr.c (expand_builtin): Likewise.
6095 * except.h: Likewise.
6096 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
6097 * libgcc2.c (copy_reg): New fn.
6100 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
6102 * c-typeck.c (build_binary_op): Warn about comparing signed vs
6103 unsigned if -W is specified and -Wno-sign-compare is not.
6104 * c-decl.c (warn_sign_compare): Initialize to -1.
6105 (c_decode_option): -Wall no longer implies -Wsign-compare.
6107 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6109 * frame.c: Include gansidecl.h for PROTO.
6110 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
6111 defined. Don't declare dwarf2out_cfi_label here.
6112 * dwarf2.h: Add declarations of DWARF2 unwind info support
6114 * m68k.c: Include dwarf2.h.
6115 (output_function_prologue): Add dwarf2 support.
6116 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
6117 (INCOMING_FRAME_SP_OFFSET): Likewise.
6119 * integrate.c (expand_inline_function): Make sure there is at
6120 least one insn that can be used as an insertion point.
6122 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
6124 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
6126 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
6128 * version.c: Bump for snapshot.
6130 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
6132 Bring over from FSF.
6134 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
6136 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
6137 (get_pc_via_rdpc): Renamed from get_pc_sp64.
6138 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
6140 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
6142 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
6143 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
6145 (sparc_align_{loops,jumps,funcs}_string): Declare.
6146 (sparc_align_{loops,jumps,funcs}): Declare.
6147 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
6148 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
6149 (STACK_BIAS): Define.
6150 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
6152 (SPARC_SETHI_P): New macro.
6153 (CONST_OK_FOR_LETTER_P): Use it.
6154 (ASM_OUTPUT_ALIGN_CODE): Define.
6155 (ASM_OUTPUT_LOOP_ALIGN): Define.
6156 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
6157 (sparc_align_{loops,jumps,funcs}): New globals.
6158 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
6160 (move_operand): Use SPARC_SETHI_P.
6161 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
6163 (arith11_double_operand): Likewise.
6164 (arith10_double_operand): Likewise.
6165 (finalize_pic): Finish sparc64 support.
6166 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
6167 64 bit constants if able.
6168 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
6169 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
6171 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
6172 (get_pc_sp32): Use for sparc64 as well.
6173 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
6174 (sethi_di_sp64_const): Likewise.
6175 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
6176 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
6177 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
6179 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
6181 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
6182 * sparc/linux.h (COMMENT_BEGIN): Likewise.
6183 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
6185 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
6187 Add sparc64 linux support.
6188 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
6189 to xm_file list on 32-bit sparc-linux.
6190 * sparc/xm-sp64.h: New file.
6191 * sparc/linux64.h: New file.
6192 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
6193 Don't include xm-sparc.h.
6194 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
6195 * glimits.h (LONG_MAX): Handle sparc64.
6197 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
6199 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
6200 * sparc.h (ASM_COMMENT_START): Define.
6201 * sparc.c (output_function_prologue): Use it.
6202 (sparc_flat_output_function_{epi,pro}logue): Likewise.
6204 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
6206 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
6207 use sparc.h's copies.
6208 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
6211 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6213 * sparc.c (dwarf2out_cfi_label): Add declaration.
6214 (save_regs, output_function_prologue): Remove cast for it.
6215 (sparc_flat_{save_restore,output_function_prologue): Likewise.
6216 ({save,restore}_regs): No longer inline.
6218 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6220 * fold-const.c (make_range): Correctly handle cases of converting
6221 from unsigned to signed type.
6223 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6225 * fold-const.c (merge_ranges): Make sure that if one range is subset
6226 of another, it will always be the second range. Correct (+,-) case to
6229 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
6231 * final.c (final_end_function): Also do dwarf2 thing if
6232 DWARF2_DEBUGGING_INFO.
6233 (final_start_function): Likewise.
6235 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
6237 * expmed.c (expand_divmod): If compute_mode is not the same as
6238 mode, handle the case where convert_modes() causes op1 to no
6239 longer be a CONST_INT.
6241 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
6242 note holding get_jump_flags() calculation to all JUMP_INSNs.
6243 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
6244 * rtl.c (reg_note_name): Add new note types.
6246 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
6248 * rtlanal.c (computed_jump_p): Fix typo in last change.
6250 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6252 * loop.c (indirect_jump_in_function_p): Return 0
6255 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
6257 * rs6000/xm-rs6000.h: Fix thinko in last change.
6258 * rs6000/xm-sysv4.h: Likewise.
6260 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
6262 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
6264 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
6266 * reg-stack.c (find_blocks): Fix thinko in last change.
6268 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6270 * m68k.c (output_function_prologue): Add dwarf2 support.
6272 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
6273 INCOMING_FRAME_SP_OFFSET): New definitions.
6275 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
6277 * combine.c (try_combine): Use NULL_RTX instead of '0' where
6278 appropriate in calls to gen_rtx().
6279 * cse.c (cse_main): Likewise.
6280 * emit-rtl.c (gen_label_rtx): Likewise.
6281 * expr.c (init_expr_once): Likewise.
6282 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
6283 sched_analyze, init_rgn_data_dependences,
6284 compute_block_backward_dependences): Likewise.
6285 * sched.c (schedule_insns): Likewise.
6286 * varasm.c (immed_double_const): Likewise.
6288 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
6289 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
6291 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
6293 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
6294 (MULTILIB_DEFAULTS): Define.
6295 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
6296 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
6297 (LIBGCC_SPEC): Likewise.
6298 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
6299 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
6300 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
6301 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
6302 (EXTRA_PARTS, TAROUTOPTS): Delete.
6303 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
6304 (MULTILIB_OPTIONS): Define.
6305 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
6306 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
6308 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
6310 * version.c: Bump for snapshot.
6312 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
6314 * loop.c (loop_number): Delete function. Change all references
6315 to use uid_loop_num array.
6316 * loop.h (loop_number): Delete declaration.
6317 * unroll.c (unroll_loop): Change "loop_number" references to
6318 use uid_loop_num instead.
6320 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
6322 (loop_unroll_iter): Remove unused variable and all references.
6323 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
6324 (insert_bct): Fix minor formatting problems.
6325 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
6326 (loop_unroll_iter): Removed unused decl.
6327 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
6328 Always record the unrolling factor.
6330 * cse.c (simplify_relational_operation): Set h0u just like h0s.
6331 Similarly for h1u and h1s.
6333 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
6334 (find_basic_blocks): Use computed_jump_p to determine if a
6335 particular JUMP_INSN is a computed jump.
6336 * reg-stack.c (find_blocks): Use computed_jump_p to determine
6337 if a particular JUMP_INSN is a computed jump.
6338 * rtlanal.c (jmp_uses_reg_or_mem): New function.
6339 (computed_jump_p): Likewise.
6340 * rtl.h (computed_jump_p): Declare.
6341 * genattrtab.c (pc_rtx): Define and initialize.
6342 * loop.c (loop_optimize): Always determine if the current
6343 function has a computed jump.
6344 (indirect_jump_in_function_p): Use computed_jump_p to determine
6345 if a particular JUMP_INSN is a computed jump.
6347 * loop.c (fix_bct_param): Delete unused function.
6348 (check_bct_param): Likewise.
6350 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
6352 * frame.c (__deregister_frame): Check properly for initialized object.
6354 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6356 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
6358 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
6360 * jump.c (thread_jumps): check can_reverse_comparison_p before
6361 threading a reversed-condition jump.
6363 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
6364 * haifa-sched.c (update_flow_info): Likewise.
6366 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
6368 * Makefile.in (BOOT_CFLAGS): Use -O2.
6370 * configure.in (strtoul, bsearch): Have autoconf check for these
6372 * configure, config.in: Rebuilt.
6374 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
6375 * mips/mips.h (alloca): Likewise.
6376 * rs6000/xm-rs6000.h (alloca): Likewise.
6377 * rs6000/xm-sysv4.h: Likewise.
6379 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
6381 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
6382 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
6383 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
6385 * except.c (end_eh_unwinder): Subtract 1 from return address.
6386 * libgcc2.c (__throw): Likewise.
6387 (find_exception_handler): Don't change PC here. Compare end with >.
6389 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
6391 * v850.c (compute_register_save_size): Correct register
6393 * v850.md (save_interrupt, return_interrupt): Correct
6395 * v850/lib1funcs.asm (save_interrupt): Correct register number.
6396 (return_interrupt): Use stack pointer, not element pointer.
6398 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
6400 * configure.in, configure: Make sure to create the stage* and include
6401 symbolic links in each subdirectory.
6403 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
6405 * pa.md (reload_peepholes): Don't allow addresses with side
6406 effects for the memory operand.
6408 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
6410 * libgcc2.c (find_exception_handler): Subtract one from our PC when
6411 looking for a handler, to avoid hitting the beginning of the next
6414 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
6416 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
6418 * mips/abi64.h (LONG_MAX_SPEC): Define.
6419 * mips.h (LONG_MAX_SPEC): Define.
6420 (CPP_SPEC): Include long_max_spec.
6421 (EXTRA_SPECS): Include long_max_spec.
6423 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
6425 * v850.c (construct_save_jarl): Fix thinko in last change.
6427 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
6429 * version.c: Bump for snapshot.
6431 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
6433 * libgcc2.c (find_exception_handler): Not found is -1.
6435 * integrate.c (expand_inline_function): Move expand_start_bindings
6436 after expanding the arguments.
6438 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
6440 * expr.c (expand_expr): Remove previous incorrect change.
6441 If target and slot has no DECL_RTL, then call mark_addressable
6442 again for the slot after we give it RTL.
6444 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
6446 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
6447 again for the slot after we give it RTL.
6449 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
6451 * v850.c (register_is_ok_for_epilogue,
6452 pattern_is_ok_for_epilogue, construct_restore_jr,
6453 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
6455 * v850.h (pattern_is_ok_for_prologue,
6456 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
6459 * v850.md: Replace prologue and epilogue patterns with a
6460 match_parallel pattern.
6462 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
6464 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
6465 * configure.in: Use EGCS_PROG_INSTALL.
6467 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
6469 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
6470 extern inline function.
6472 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
6474 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
6475 (concat_loc_descriptor): New function.
6476 (loc_descriptor): Call it.
6477 (add_AT_location_description): Also elide the descriptor if both
6478 halves of a CONCAT are pseudos.
6479 (add_location_or_const_value_attribute): Recognize CONCAT too.
6481 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
6483 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
6485 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
6486 out-or-range reg_offset.
6487 (output_epilog): Likewise.
6489 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
6491 * cse.c (simplify_relational_operation): If MODE specifies a
6492 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
6493 is derived from the sign bit of the low word.
6495 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
6497 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
6499 * dwarf2.h: Add DW_CFA_GNU_args_size.
6500 * frame.c (execute_cfa_insn): Likewise.
6501 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
6502 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
6503 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
6504 insn, hand it off to dwarf2out_stack_adjust.
6505 (dwarf2out_begin_prologue): Initialize args_size.
6506 * frame.h (struct frame_state): Add args_size.
6507 * libgcc2.c (__throw): Use args_size.
6508 * final.c (final_scan_insn): If we push args, hand off all insns
6509 to dwarf2out_frame_debug.
6510 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
6512 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
6513 Handle epilogue restore of SP from FP.
6514 * emit-rtl.c (gen_sequence): Still generate a sequence if the
6515 lone insn has RTX_FRAME_RELATED_P set.
6517 * frame.c (extract_cie_info): Handle "e" augmentation.
6518 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
6519 absence of UNALIGNED_*_ASM_OP.
6520 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
6521 (output_call_frame_info): Use "e" instead of "z" for augmentation.
6522 Don't emit augmentation fields length.
6523 (dwarf2out_do_frame): Move outside of #ifdefs.
6524 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
6527 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
6528 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
6529 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
6530 * sparc/sun4gas.h: New file.
6531 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
6533 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
6534 __register_frame_table and __deregister_frame.
6536 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
6538 * except.c (find_exception_handler_labels): Use xmalloc instead of
6539 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
6542 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
6544 * Makefile.in: Various changes to build info files
6545 in the object tree rather than the source tree.
6547 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
6549 * fixinc.math: New file to fix math.h on some systems.
6550 * configure.in (freebsd, netbsd): Use fixinc.math on these
6552 * configure: Rebuilt.
6554 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
6556 * regmove.c (regmove_optimize): If we end up moving the
6557 original insn due to lifetime overlaps, make sure to move
6560 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
6562 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
6564 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
6566 * haifa-sched.c (add_branch_dependences): Make each insn in
6567 a SCHED_GROUP_P block explicitly depend on the previous insn.
6569 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
6571 * except.h: Prototype dwarf2 hooks.
6574 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
6576 * configure.in (native_prefix): Delete.
6577 (mips-dec-netbsd): Don't set prefix.
6578 (*linux*): Don't set prefix.
6580 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
6582 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
6583 defined. If not defined, include <sys/varargs.h> if
6584 HAVE_SYS_VARARGS_H is defined.
6585 * configure.in: Test for varargs.h and sys/varargs.h.
6586 * configure: Regenerate with autoconf.
6587 * config.in: Regenerate with autoheader.
6589 * cpplib.c (quote_string): Cast first arg of sprintf call
6590 from "unsigned char *" to "char *".
6591 (output_line_command): Ditto.
6592 (macroexpand): Ditto.
6593 (do_line): Cast atoi arg from "unsigned char *" to "char *".
6595 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
6597 * version.c: Bump for snapshot.
6599 * Makefile.in (compare): Exit with nonzero status if there
6600 are comparison failures. Note which files failed the
6601 comparison test in .bad_compare.
6603 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6605 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
6607 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
6609 * Makefile.in (LN, LN_S): New macros, use where appropriate.
6610 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
6611 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
6612 * configure: Regenerated.
6614 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
6616 * loop.c (strength_reduce): Fix typo.
6618 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
6620 * m88k/m88k.c (struct option): Rename to struct options.
6621 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
6622 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
6623 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
6624 __DOLPHIN__ or sysV88.
6626 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
6628 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
6631 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
6633 * config.sub: Accept 'amigados' for backward compatability.
6635 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6637 * Makefile.in (testsuite/site.exp): New target.
6638 (check-gcc, check-g++): Depend on testsuite/site.exp.
6639 Don't stop for failure.
6641 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
6643 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
6644 if DWARF2_UNWIND_INFO.
6646 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
6648 Add support for exception handling using DWARF 2 frame unwind info.
6649 Currently works on SPARC and MIPS, and almost on x86.
6651 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
6652 next_stack_level, in_reg_window): Helper fns.
6653 (__throw): Implement for DWARF2_UNWIND_INFO.
6655 * expr.c (expand_builtin): Handle builtins used by __throw.
6656 * tree.h (enum built_in_function): Add builtins used by __throw.
6657 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
6658 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
6659 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
6660 (expand_builtin_extract_return_addr): Likewise.
6661 (expand_builtin_frob_return_addr): Likewise.
6662 (expand_builtin_set_return_addr_reg): Likewise.
6663 (expand_builtin_eh_stub): Likewise.
6664 (expand_builtin_set_eh_regs): Likewise.
6665 (eh_regs): Choose two call-clobbered registers for passing back values.
6667 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
6668 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
6669 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
6670 (stmp-multilib): Likewise.
6671 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
6673 * except.c: #include "defaults.h".
6674 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
6675 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
6676 (register_exception_table_p): New fn.
6677 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
6678 (end_eh_unwinder): Likewise.
6680 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
6681 call __register_frame and __deregister_frame as needed.
6682 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
6683 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
6684 EH_FRAME_SECTION_ASM_OP.
6685 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
6686 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
6687 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
6689 * dwarf2out.c (output_call_frame_info): If no support for
6690 EXCEPTION_SECTION, mark the start of the frame info with a
6692 * collect2.c (frame_tables): New list.
6693 (is_ctor_dtor): Recognise frame entries.
6694 (scan_prog_file): Likewise.
6695 (main): Pass -fno-exceptions to sub-compile. Also do collection
6696 if there are any frame entries.
6697 (write_c_file_stat): Call __register_frame_table and
6698 __deregister_frame as needed.
6699 (write_c_file_glob): Likewise.
6701 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
6702 Also require unaligned reloc support.
6703 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
6704 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
6705 * sparc/sysv4.h: Not here.
6707 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
6708 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
6709 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
6711 * libgcc2.c (L_eh): Reorganize, moving code shared by different
6712 EH implementations to the top.
6713 (find_exception_handler): Split out. Start from 0. Compare against
6715 (__find_first_exception_table_match): Use it.
6716 * except.c (output_exception_table): Don't do anything if there's
6717 no table. Don't output a first entry of zeroes.
6718 (eh_outer_context): Adjust properly.
6719 (add_eh_table_entry): Use xrealloc.
6720 * toplev.c (compile_file): Just call output_exception_table.
6722 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
6724 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
6726 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
6728 * except.c (eh_outer_context): Do masking using expand_and.
6730 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
6732 Add port done awhile ago for the ARC cpu.
6733 * arc/arc.h: New file.
6734 * arc/arc.c: New file.
6735 * arc/arc.md: New file.
6736 * arc/initfini.c: New file.
6737 * arc/lib1funcs.asm: New file.
6738 * arc/t-arc: New file.
6739 * arc/xm-arc.h: New file.
6740 * ginclude/va-arc.h: New file.
6741 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
6742 * ginclude/varargs.h: Likewise.
6743 * Makefile.in (USER_H): Add va-arc.h.
6744 * configure.in (arc-*-elf*): Recognize.
6745 * longlong.h: Add ARC support.
6747 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
6749 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
6750 when clearing non-BLKmode data.
6752 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
6754 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
6755 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
6757 * xm-m88k.h (USG): Only define if it hasn't already been defined.
6759 * Makefile.in (risky-stage1): Delete gratutious whitespace.
6761 * Makefile.in (clean): Delete libgcc1-test.
6763 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
6765 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
6767 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
6770 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6772 * dwarf2out.c (output_call_frame_info): Call named_section.
6774 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
6776 * haifa-sched.c (print_value): Fix last change.
6778 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
6780 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
6783 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
6785 * mips.c (function_prologue): Set up the CFA when ABI_32.
6787 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
6788 for dwarf2 unwind info.
6789 (output_function_prologue, sparc_flat_output_function_prologue): Same.
6791 * final.c (final_end_function): Check dwarf2out_do_frame instead
6792 of DWARF2_DEBUG for dwarf2 unwind info.
6793 (final_scan_insn): Likewise.
6794 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
6797 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
6800 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
6802 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
6804 * v850.h (ASM_SPEC): Pass on target processor.
6805 (CPP_PREDEFINES): Only define if not already specified.
6806 (TARGET_VERSION): Only define if not already specified.
6807 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
6809 (EXTRA_SWITCHES): Extra entries in the switches array.
6810 (TARGET_DEFAULT): Set default target processor.
6812 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
6814 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
6815 cases, add %# and %/, and add : to make them into extended asms.
6817 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
6819 * alias.c (init_alias_analysis): Clean up incompatible pointer
6820 type warning in bzero.
6821 * regmove.c (regmove_optimize): Ditto.
6822 * haifa-sched.c (find_rgns): Ditto.
6824 * haifa-sched.c (print_value): Clean up ptr->int cast
6827 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
6829 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
6830 * install.texi (Configurations): Ditto.
6831 * config.sub: Ditto.
6833 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
6835 * Makefile.in (sdbout.o): Depend on insn-config.h.
6837 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
6839 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
6840 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
6842 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
6844 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
6845 prologue insn, only the first elt is significant.
6846 (output_call_frame_info): For exception handling, always use 4-byte
6847 fields as specified by the dwarf2 spec.
6848 Don't skip trivial FDEs.
6850 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
6852 * version.c: Bump for snapshot.
6854 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
6856 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
6857 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
6860 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
6862 * final.c (shorten_branches): During first pass, assume worst
6863 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
6865 * Makefile.in (distclean): Remove various things left around
6866 by running the testsuite.
6868 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
6870 * configure.in (out_file): Emit definition to config.status in order
6871 to have a defined value for configure.lang.
6872 * configure: Re-built.
6874 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
6876 * configure.in: Make symlink to as-new rather than as.new. Similarly
6878 * configure: Rebuilt.
6880 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
6882 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
6884 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
6886 * sparc/sparc.md: Add ultrasparc scheduling support.
6887 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
6889 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
6891 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
6892 as initial value for real_label_map.
6893 (copy_for_inline): Likewise.
6895 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
6897 * sched.c (update_flow_info) When looking if to set found_split_dest
6898 or found_orig_dest, look at all parts of a PARALLEL.
6899 * haifa-sched.c (update_flow_info): Likewise.
6901 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
6903 * v850: New directory for v850 port.
6904 * v850/lib1funcs.asm: New file.
6905 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
6906 * ginclude/va-v850.h: New file.
6907 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
6908 * configure.in (mn10200-*-*): New target.
6909 * configure: Rebuilt.
6910 * config.sub: Handle v850-elf.
6911 * Makefile.in (USER_H): Add va-mn10200.h.
6912 * invoke.texi: Document v850 stuff.
6914 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
6916 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
6917 has integer TYPE_{MAX,MIN}_VALUE before using them.
6919 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
6920 __HPUX_ASM__ versions.
6922 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
6924 * install.sh: Delete duplicate install script.
6926 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
6928 * reg-stack.c (subst_stack_regs): Pop the stack register for a
6929 computed goto which sets the same stack register.
6931 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
6932 destination are both on the regstack.
6933 (subst_stack_regs_pat): Put the destination at the top of the regstack.
6935 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
6937 * mips.md (nonlocal_goto_receiver): Define.
6939 * profile.c (output_arc_profiler): Check next_insert_after for non
6940 NULL before deferencing it.
6942 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
6944 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
6946 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
6948 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
6950 * toplev.c (rest_of_compilation): For passes starting with
6951 flow_analysis, use print_rtl_with_bb instead of print_rtl.
6953 * print-rtl.c (print_rtl_single): Print a single rtl value to a
6956 * flow.c (print_rtl_with_bb): Print which insns start and end
6957 basic blocks. For the start of a basic block, also print the live
6960 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
6962 * toplev.c (main): Change #elif to #else/#ifdef
6964 * tlink.c: Include ctype.h.
6965 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
6967 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
6969 * bitmap.c: Conditionally include stdlib.h.
6970 (free): Provide a declaration if NEED_DECLARATION_FREE.
6972 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
6974 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
6976 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
6978 * profile.c (output_arc_profiler): Verify next_insert_after is an
6979 INSN before and after skipping a stack pop.
6981 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
6983 * final.c (shorten_branches): Don't count the lengths of deleted
6986 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
6988 * version.c: Bump for snapshot.
6990 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
6992 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
6993 two bitmaps ANDed together.
6994 (bitmap_print): Declare.
6996 * bitmap.c (function_obstack): Don't declare any more.
6997 (bitmap_obstack): Obstack for allocating links from.
6998 (bitmap_obstack_init): New static to say whether to initialize
7000 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
7001 (bitmap_release_memory): Free all memory allocated from
7004 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
7005 EXECUTE_IF_AND_IN_BITMAP.
7007 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
7009 * alias.c (true_dependence): Address with AND can alias scalars.
7010 (anti_dependence, output_dependence): Likewise.
7012 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
7014 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
7016 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
7017 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
7018 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
7019 definitions. Use -qrtems instead of -mrtems.
7021 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
7023 * xm-sco5.h (sys_siglist): Define.
7024 (SYS_SIGLIST_DECLARED): Likewise.
7026 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
7028 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
7030 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
7032 * except.c (eh_outer_context): Expand masking operation using
7035 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
7037 * alpha.md (floatdisf2-1): New pattern.
7039 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
7041 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
7042 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
7043 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
7044 * gcc.texi: Note that if you define sys_siglist that you should
7045 also define SYS_SIGLIST_DECLARED.
7047 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
7048 are relative to the next instruction, not the current instruction.
7050 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
7052 * local-alloc.c (contains_replace_regs): New function.
7053 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
7054 verify that there is no existing REG_EQUIV note, and add a call to
7055 contains_place_regs.
7057 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7059 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
7060 (STARTFILE_SPEC): Always use crtbegin.o%s
7061 (ENDFILE_SPEC): Always use crtend.o%s.
7063 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
7065 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
7067 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
7068 SFmode for 64 bit hosts.
7070 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
7072 * fixincludes: Permits spaces between # and define. Discard C++
7073 comments in sys/pci.h on HP/UX 10.20.
7075 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
7077 * version.c: Bump for snapshot.
7079 * pa.c (restore_unscaled_index_insn_codes): New function.
7080 (record_unscaled_index_insn_codes): Likewise.
7081 (output_function_prologue): Call restore_unscaled_index_insn_codes.
7082 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
7083 (pa_reorg): Call record_unscaled_index_insn_codes.
7085 * haifa-sched.c (move_insn): Handle notes correctly for insns
7086 with SCHED_GROUP_P set.
7088 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7090 * alpha/xm-linux.h (USE_BFD): Undef before define.
7092 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
7094 * cse.c (cse_insn): Don't record BLKmode values.
7096 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
7098 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
7100 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
7102 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
7103 * collect2.c (sys_errlist): Likewise.
7104 * cpplib.c (sys_errlist): Likewise.
7105 * gcc.c (sys_errlist): Likewise.
7106 * protoize (sys_errlist): Likewise.
7107 * configure.in: Check for strerror.
7108 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
7109 * xm-gnu.h (HAVE_STRERROR): Likewise.
7110 * xm-linux.h (HAVE_STRERROR): Likewise.
7111 * xm-netbsd.h (HAVE_STRERROR): Likewise.
7112 * xm-bsd386.h (HAVE_STRERROR): Likewise.
7113 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
7114 * xm-dos.h (HAVE_STRERROR): Likewise.
7115 * xm-mingw32.h (HAVE_STRERROR): Likewise.
7116 * xm-pa.h (HAVE_STRERROR): Likewise.
7117 * xm-papro.h (HAVE_STRERROR): Likewise.
7118 * xm-sysv4.h (HAVE_STRERROR): Likewise.
7119 * configure, config.in: Rebuilt.
7121 * Makefile.in: Add several missing "else true" clauses.
7123 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
7124 * mips-tfile.c: Likewise.
7125 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
7126 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
7127 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
7128 * configure.in: Check for sys_siglist declaration.
7129 * configure, config.in: Rebuilt.
7131 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
7133 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
7134 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
7135 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
7136 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
7137 * rs6000/sysv4.h (extra_subtarget_switches): Added new
7138 macro EXTRA_SUBTARGET_SWITCHES.
7139 * configure.in (sh*-*-rtems*): New target.
7140 * sh/rtems.h: New file.
7141 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
7142 * configure: Rebuilt.
7144 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
7146 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
7148 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
7150 * rs6000.md: Make DF fused-add operations pay attention to
7153 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
7155 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
7157 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
7159 * pa.md (reload_peepholes): Make sure operand is a REG before
7160 examining REGNO. Allow general registers too.
7162 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
7164 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
7166 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
7168 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
7169 to reallocate abbrev_die_table.
7171 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
7173 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
7175 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7177 * Makefile.in (config.status): Depend on version.c
7179 * expr.h (insn_gen_function): Reenable prototype.
7181 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
7184 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
7186 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
7188 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
7190 * version.c: Bump for latest snapshot.
7192 * bc-optab.c: Conditionally include stdlib.h.
7193 (free): Provide a declaration if NEED_DECLARATION_FREE.
7194 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
7195 * rtl.h (free): Remove declaration.
7196 * tree.h (free): Remvoe declaration.
7198 * configure: Rebuilt.
7200 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
7202 * flags.h (flag_move_all_movables): Declare.
7203 (flag_reduce_all_givs): Likewise.
7204 * loop.c (move_movables): Handle flag_move_all_movables.
7205 (strength_reduce): Handle flag_reduce_all_givs.
7206 * toplev.c (flag_move_all_movables): Define.
7207 (flag_reduce_all_givs): Likewise.
7208 (f_options): Add -fmove-all-movables and -freduce-all-givs.
7209 * invoke.texi: Document new options, including alias stuff that
7210 wasn't included last time.
7212 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
7214 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
7217 * t-vxworks68: Ditto.
7218 * t-vxworks960: Ditto.
7221 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
7223 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
7224 if not already defined, and USE_C_ALLOCA not defined.
7226 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
7228 * config.guess: Replace with script that uses ../config.guess.
7230 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
7231 if USE_GNULIBC_1 is not defined.
7233 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
7235 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
7236 * config.guess: Recognize alpha-linux-gnulibc1.
7237 * configure.in (alpha-*-linux-gnulibc1): New target.
7238 (alpha-*-linux-gnu*): Don't build crtbegin/end.
7240 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
7242 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
7245 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
7247 * loop.c (combine_movables): Earlier insns don't match later ones.
7249 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7251 * config/linux.h (CC1_SPEC): Define it only if not defined.
7253 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
7256 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
7257 USE_GNULIBC_1 is not defined.
7259 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
7261 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
7262 as 1 if USE_GNULIBC_1 is not defined.
7264 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
7266 * reorg.c (dbr_schedule): Allow current_function_return_rtx
7267 to be something other than a REG.
7268 * function.c (expand_function_end): Fix current_function_return_rtx
7271 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
7272 * x-netbsd: Likewise
7273 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
7274 (INSTALL_HEADERS): Delete.
7275 * x-dguxbcs: Likewise.
7276 * x-hp3bsd44: Likewise
7279 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7281 * i386.md (pop): pop increments the stack pointer.
7282 (prologue_set_stack_ptr): New pattern.
7283 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
7286 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
7288 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
7289 address where an offsettable address is required.
7291 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
7293 * loop.c (check_final_value): Don't miss a biv increment in a
7296 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
7298 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
7299 TYPE_DECL_IS_STUB instead of DECL_NAME.
7301 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7303 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
7305 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
7307 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
7309 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
7311 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
7312 (find_post_sched_live): Likewise.
7314 * haifa-sched.c (schedule_block): Remove old code to get arguments
7315 from hard regs into pseudos early.
7317 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
7319 * version.c: Bump for new snapshot.
7321 * local-alloc.c (update_equiv_regs): All the target to reject
7322 promotion of some REG_EQUAL to REG_EQUIV notes.
7323 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
7325 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
7328 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
7329 store of the argument registers.
7331 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
7333 * fold-const.c (multiple_of_p): New function.
7334 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
7336 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
7338 * expr.h (insn_gen_function): Temporarily remove prototype.
7340 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
7342 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
7343 filenames. Use sed to extract base filename for install.
7345 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
7347 * unroll.c (find_splittable_givs): Only share if two givs have the
7348 same add and multiply values.
7350 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
7352 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
7353 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
7355 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
7357 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
7358 around branch tables.
7359 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
7360 and .end_brtab directives if TARGET_GAS.
7362 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
7364 * alias.c (true_dependence): Pass x_addr not x to varies.
7366 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
7367 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
7368 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
7370 * config.in, configure: Regenerate.
7372 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
7374 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
7376 (record_set): Handle LO_SUM like PLUS.
7377 (init_alias_analysis): When following chains of base addresses,
7378 do not stop on reaching a hard register.
7380 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
7382 * version.c: Bump for new snapshot.
7384 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
7386 * alpha.h (ARCH_ASM_FILE_START): Define.
7387 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
7388 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
7390 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
7392 * Makefile.in (install-common): Put gcov comment at start of line.
7394 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
7396 * alias.c (init_alias_analysis): When simplifying the reg_base_value
7397 array, simplify entries for hard registers too.
7399 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
7401 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
7404 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
7406 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
7407 block_stack before dereferencing it.
7409 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
7411 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
7413 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
7415 * cplus-dem.c: Add 'extern' to prepends_underscore.
7417 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
7419 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
7420 (get_issue_rate): Delete.
7421 * pa.h (ISSUE_RATE): Define.
7423 * configure.in: Turn on haifa by default for the PA.
7424 * configure: Rebuilt.
7425 * pa.c (override_options): Accept -mschedule=7200 option.
7426 (pa_adjust_cost): No longer need to scale costs for newer
7428 * pa.h (enum processor_type): Add PROCESSOR_7200.
7429 * pa.md: Revamp scheduling parameters to work better with
7430 haifa. Add scheduling parameters for the 7200.
7432 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
7434 (schedule_block): When adjusting basic_block_{head,end}, account
7435 for movement of SCHED_GROUP_P insns too.
7437 * haifa-sched.c (debug_dependencies): Fix thinko.
7439 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
7440 (site.exp, check, check-g++, check-gcc): New targets.
7442 * haifa-sched.c: Make lots of variables static.
7444 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7446 * expr.h, real.h: Finish prototyping.
7448 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
7450 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
7451 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
7452 * reload1.c: Undo bugfix from Aug 11.
7454 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
7456 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
7457 quotes around the name.
7458 * configure: Regenerate.
7460 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
7462 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
7464 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
7466 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
7467 to sub-makes to avoid building more passes than the user might have
7468 requested on the command line.
7470 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
7472 * configure.in: Expurgate `broken_install' (install is
7475 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
7478 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
7480 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
7481 functions and declarations.
7482 (analyze_loop_iterations): Use condjump_p.
7483 (insert_bct): Likewise. Use exact_log2.
7485 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
7487 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
7488 (schedule_region): Likewise.
7489 (schedule_insns): Likewise.
7491 * PROJECTS: Update with Haifa stuff.
7493 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
7495 * version.c: Change the version string to look like:
7496 egcs-2.90.00 970814 (gcc2-970802 experimental).
7498 * loop.c (is_conditional_branch): Make definition match declaration.
7500 * gcc.c: Take out experimental snapshot warning message.
7502 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
7504 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
7505 print out the names of the notes. Print out the name of the insn
7506 that is not a note, and not an {,CALL_,JUMP_}INSN.
7508 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
7510 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
7511 again for the slot after we give it RTL.
7513 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
7515 * configure.in (haifa configury): Fix typo.
7516 * configure: Regenerate.
7518 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
7520 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
7522 * gcc.info*: Rebuilt.
7524 * COPYING.g77, README.g77: New files.
7525 * real.c (ereal_unto_float, ereal_unto_double): New functions.
7526 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
7527 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
7529 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
7531 * Integrate Haifa instruction scheduler.
7532 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
7533 to sched with $(SCHED_CFLAGS.
7534 * configure.in: Handle --enable-haifa.
7535 * configure: Rebuilt.
7536 * flags.h: Add new flags for haifa instruction scheduler.
7537 * genattrtab.c (expand_units): For haifa, don't subtract one
7538 when computing blockage.
7539 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
7540 (flag_schedule_speculative): Ditto.
7541 (flag_schedule_speculative_load): Ditto.
7542 (flag_schedule_speculative_load_dangerous): Ditto.
7543 (flag_schedule_reverse_before_reload): Ditto.
7544 (flag_schedule_reverse_after_reload): Ditto.
7545 (flag_branch_on_count_reg): Ditto.
7546 (f_options): Add Haifa switches.
7547 (main): Turn off some Haifa options if appropriate macro is
7548 defined. Process Haifa switches.
7549 * unroll.c (iteration_info): No longer static, since Haifa
7551 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
7552 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
7553 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
7554 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
7555 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
7556 storage for the Haifa scheduler.
7557 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
7559 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
7560 are defined, call analyze_loop_iterations and insert_bct to use
7562 (record_giv): Refine test for jumps out of loops if HAIFA is
7564 (analyze_loop_iterations): New function to identify if we can use
7566 (insert_bct): Insert countdown loop.
7567 (instrument_loop_bct): Low level code to insert countdown loop.
7568 (loop_number): Calculate UID of loop.
7569 (indirect_jump_in_function_p): Return true if an indirect jump is
7571 (is_power_of_2): Return true if value is a power of 2.
7572 (is_conditional_branch): Return true if insn is a conditional
7574 (fix_bct_param): Process -fbct-{min,max}-N switches.
7575 (check_bct_param): Return true if loop should be instrumented.
7576 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
7577 (loop_optimize): Initialize.
7578 (get_condition_for_loop): Ditto.
7579 * loop.c (strength_reduce): Inside of code that uses #ifdef
7580 HAVE_decrement_and_branch_on_count code, test it to make sure the
7582 (instrument_loop_bct): Ditto.
7583 * haifa-sched.c: New file.
7586 * Integrate regmove pass.
7587 * Makefile.in (OBJS): Add regmove.o
7588 (regmove.o): Add dependencies.
7589 * flow.c (find_use_as_address): No longer static.
7590 * rtl.h (find_use_as_address): Declare.
7591 * toplev.c (regmove_dump, flag_regmove): Define.
7592 (f_options): Add -fregmove.
7593 (regmove_dump_file, regmove_time): Define.
7594 (fatal_insn): Close the regmove dump file.
7595 (compile_file): Initialize regmove_time; open/close the regmove dump
7596 file as needed. Print regmove time as needed.
7597 (rest_of_compilation): Run regmove pass if requested, dump
7598 RTL after regmove if requested.
7599 (main): If -O2 or more, turn on regmove. Handle dump switches.
7600 * regmove.c: New file.
7602 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
7604 * Integrate tlink patch from jason@cygnus.com
7605 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
7606 (process_command): Increment n_switches for them. Don't discard
7607 their args. Validate them.
7608 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
7610 (process_command): Set include_prefixes from COMPILER_PATH.
7611 (main): Set COLLECT_GCC_OPTIONS sooner.
7612 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
7613 * tlink.c, hash.c, hash.h: New files.
7614 * Makefile.in (USE_COLLECT2): Always use collect2.
7615 (collect2): Depend on and link in hash.o and tlink.o.
7616 (tlink.o, hash.o): Add dependencies.
7618 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
7620 * Integrate alias analysis changes from jfc@mit.edu
7621 * Makefile.in (OBJS): Add alias.o
7622 (alias.o): Add dependencies.
7623 * alias.c: New file.
7624 * sched.c: Remove alias analysis code. It lives in alias.c now.
7625 (sched_analyze_2): Add new arguments to true_dependence.
7626 (schedule_insns): Always call init_alias_analysis.
7627 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
7628 mark return value from such functions as a pointer and keep track of
7629 them for alias analysis. If a return value from a function is a
7630 pointer, mark it as such.
7631 * combine.c (distribute_notes): Handle REG_NOALIAS.
7632 * cse.c (struct write_data): Delete. No longer needed.
7633 (invalidate): Don't call set_nonvarying_address_components anymore.
7634 Use true_dependence to decide if an entry should be removed from
7636 (invalidate_memory): Remove WRITES argument, simplify appropriately.
7638 (note_mem_written): Similarly for WRITE_PTR argument.
7639 (invalidate_from_clobbers): Similarly for W argument.
7640 (invalidate_for_call): Remove memory elements from the hash table.
7641 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
7642 (cse_rtx_varies_p): New function. Derived from old
7643 cse_rtx_addr_varies_p.
7644 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
7645 Don't call note_mem_written anymore. Stack pushes invalidate the stack
7646 pointer if PUSH_ROUNDING is defined. No longer need to call
7647 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
7648 (skipped_writes_memory): Remove variable.
7649 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
7650 (invalidate_skipped_block): Simplify for new alias analysis code.
7651 (cse_set_around_loop): Likewise.
7652 (cse_main): Call init_alias_analysis.
7653 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
7654 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
7655 (f_options): Add new alias checking arguments.
7656 (main): Set flag_alias_check when optimizing.
7657 * local_alloc (validate_equiv_mem_from_store): Add new arguments
7659 (memref_referenced_p): Likewise.
7660 * loop.c (NUM_STORES): Increase to 30.
7661 (prescan_loop): Only non-constant calls set unknown_address_altered.
7662 (invariant_p): Add new arguments to true_dependence.
7663 (record_giv): Initialize unrolled and shared fields.
7664 (emit_iv_add_mult): Call record_base_value as needed.
7665 * loop.h (struct induction): Add unrolled and shared fields.
7666 * unroll.c (unroll_loop): Call record_base_value as needed.
7667 (copy_loop_body): Likewise.
7668 (final_biv_value): Likewise.
7669 (final_giv_value): Likewise.
7670 (find_splittable_regs): Likewise. Only create one new pseudo
7671 if we have multiple address GIVs that were combined with the same
7672 dst_reg GIV. Note when a new register is created due to unrolling.
7673 * rtl.c (reg_note_name): Add REG_NOALIAS.
7674 * rtl.h (enum reg_note): Similarly.
7675 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
7676 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
7677 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
7678 (true_dependence, read_dependence, anti_dependence): Likewise.
7679 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
7680 (mark_user_reg, mark_reg_pointer): Likewise.
7683 * Integrate reload bugfix from Wilon which enables the PA port
7685 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
7686 OPERAND_ADDRESS when computing how many registers an insn needs.
7687 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
7689 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
7691 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
7692 in reload_reg_use_in_op_addr do not reach the end.
7693 do not reach the end.
7694 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
7695 RELOAD_FOR_OPERAND_ADDRESS.
7697 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
7699 * egcs project officially starts.