1 Tue Apr 7 21:48:52 1998 Jeffrey A Law (law@cygnus.com)
3 * pa.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
5 1998-04-07 Ken Raeburn <raeburn@cygnus.com>
7 * config/mips/mips.c (siginfo): Deleted.
8 (override_options): Don't install SIGINFO signal handler.
10 Tue Apr 7 11:58:04 1998 Jim Wilson <wilson@cygnus.com>
12 * loop.c (check_dbra_loop): When normalize comparison_val, add check
13 to verify it is non-negative.
15 Tue Apr 7 02:01:47 1998 Richard Henderson <rth@cygnus.com>
17 * alpha.c (alpha_expand_block_move): Correctly collect block offsets.
18 (alpha_expand_block_clear): Likewise.
20 Mon Apr 6 23:36:01 1998 Richard Henderson <rth@cygnus.com>
22 * tree.h (sizetype_tab): Fix previous change for K&R.
24 Mon Apr 6 22:23:29 PDT 1998 Jeff Law (law@cygnus.com)
26 * version.c: Bump for snapshot.
28 Mon Apr 6 23:16:10 1998 Richard Earnshaw (rearnsha@arm.com)
30 * configure.in (sparc-*-solaris2*): Add xm-siglist.h to xm_file.
31 Add USG and POSIX to xm_defines.
33 Mon Apr 6 21:49:57 1998 Bob Manson <manson@charmed.cygnus.com>
35 * gcc.c: Add linker spec.
36 (link_command_spec): Use %(linker) instead of ld.
37 (main): If collect2 is requested as the linker, see if it exists;
38 if not, use ld instead.
40 * Makefile.in (USE_COLLECT2): It's named collect2 now, not ld.
42 (install-collect2): Install as collect2, not ld.
44 * configure.in(will_use_collect2): It's named collect2 now.
46 * collect2: Remove checks to see if we were invoked recursively.
47 (collect_execute): Use _spawnvp under cygwin32.
49 Mon Apr 6 17:23:41 1998 Jim Wilson <wilson@cygnus.com>
51 * haifa-sched.c (build_control_flow): Set unreachable for block whose
52 only predecessor is itself.
54 Mon Apr 6 16:08:04 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
56 * c-parse.in: Include system.h, and remove stuff now made redundant.
59 * protoize.c: Likewise. Properly check for cpp stringification.
61 * Makefile.in (c-parse.o, cccp.o, cexp.o, protoize.o, unprotoize.o):
64 * objc/Make-lang.in (objc-parse.o): Likewise.
66 Mon Apr 6 14:59:58 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
68 * gansidecl.h: Check if compiler supports __attribute__. Provide
69 definitions for ATTRIBUTE_UNUSED and ATTRIBUTE_PRINTF using
70 __attribute__ when its available. Also provide definitions for
71 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2 and ATTRIBUTE_PRINTF_3 in
72 terms of ATTRIBUTE_PRINTF.
74 * genoutput.c (process_template): Use ATTRIBUTE_UNUSED in place
77 Mon Apr 6 07:17:52 1998 Catherine Moore <clm@cygnus.com>
79 * combine.c (can_combine_p): Include successor in volatile test.
81 Mon Apr 6 14:16:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
83 * sh.h (CASE_VECTOR_SHORTEN_MODE): Fix logic when to set
86 Mon Apr 6 02:03:29 1998 Jeffrey A Law (law@cygnus.com)
88 * objc/objc-act.c (encode_aggregate_within): Avoid GNU extensions
89 in prototype and definition.
91 Mon Apr 6 00:48:56 PDT 1998 Jeff Law (law@cygnus.com)
93 * version.c: Bump for snapshot.
95 Mon Apr 6 00:08:50 1998 Richard Henderson <rth@cygnus.com>
97 * alpha.c (alpha_expand_block_clear): Add missing offset arg to
98 alpha_expand_unaligned_store_words.
100 Sun Apr 5 21:31:24 1998 John Wehle (john@feith.com)
102 * i386.md (movsf_push, movsf_mem): Remove.
103 (movsf_push): Rename from movsf_push_nomove and move in front of
104 movsf. Use nonmemory_operand predicate and don't bother checking
106 (movsf_push_memory): New pattern.
107 (movsf): Don't bother checking for push_operand. If TARGET_MOVE and
108 both operands refer to memory then force operand[1] into a register.
109 (movsf_normal): Change to unnamed pattern.
110 Likewise for movdf, movxf, and friends.
112 Sun Apr 5 18:45:51 PDT 1998 Jeff Law (law@cygnus.com)
114 * version.c: Bump for snapshot.
116 Sun Apr 5 16:31:10 1998 Richard Henderson <rth@cygnus.com>
118 * configure.in (alpha-dec-osf*): Match osf1.3 correctly.
120 Sun Apr 5 16:53:37 1998 Don Bowman <don@pixsci.com>
122 * configure.in (mips-wrs-vxworks): New target.
124 Sat Apr 4 23:34:32 PST 1998 Jeff Law (law@cygnus.com)
126 * expmed.c (synth_mult): The value -1, has no zeros, so it can
127 never have the form ...011.
129 * version.c: Bump for snapshot.
131 Sat Apr 4 20:16:46 1998 Richard Henderson <rth@cygnus.com>
133 * i386.c (asm_output_function_prefix, load_pic_register):
134 Use ASM_GENERATE_INTERNAL_LABEL properly.
135 (output_pic_addr_const): Recognize %X to supress any PIC sym suffix.
136 (print_operand): Ignore it.
137 (load_pic_register): Use it for the got load call.
138 * i386.md (prologue_set_got, prologue_get_pc): Likewise.
139 (prologue_get_pc_and_set_got): Likewise.
140 * i386.h: Update print_operand docs.
142 Sat Apr 4 19:08:37 1998 Richard Henderson <rth@cygnus.com>
144 * i386.md (ffssi, ffshi): Rewrite as define_expands.
145 (ffssi_1, ffshi_1): New (unspec [] 5) support patterns.
146 * i386.c (notice_update_cc): Recognize unspec 5.
148 Sat Apr 4 18:07:16 1998 David Mosberger-Tang (davidm@mostang.com)
150 * alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Accept '(' for s/sv/svi.
151 * alpha.c (print_operand): Handle it.
152 * alpha.md (fix_truncsfdi2): Use it. Add earlyclobber pattern
154 (fix_truncdfdi2): Likewise.
156 Sat Apr 4 17:42:05 1998 Richard Henderson <rth@cygnus.com>
158 * tree.h (sizetype_tab[2], sbitsizetype, ubitsizetype): Merge all
159 of these into a single struct, with additional [us]sizetype entries.
160 * stor-layout.c (set_sizetype): Initialize [us]sizetype.
161 * fold-const.c (size_int_wide): Don't rely on sizetype_tab being
164 Sat Apr 4 17:04:41 1998 Richard Henderson <rth@cygnus.com>
166 * configure.in (alpha-*-linux-*): Undo tm_file changes from gcc2 merge.
168 Sat Apr 4 13:50:01 1998 Richard Henderson <rth@cygnus.com>
170 * haifa-sched.c (split_block_insns): Don't supress insn splitting
171 on subsequent passes.
173 * alpha.c (hard_fp_register_operand): New function.
174 * alpha.h (PREDICATE_CODES): Add it.
175 * alpha.md (extendsidi2): Kill bogus f<-f cvtql+cvtlq case. Add an
176 f<-m case and accompanying define_split.
177 (trapb): Use a unique unspec_volatile number.
179 Sat Apr 4 13:32:08 1998 Richard Henderson <rth@cygnus.com>
181 * configure.in (alpha-*-linux-gnu*): Undo Feb 3 change brought in
184 Sat Apr 4 10:23:41 1998 Jeffrey A Law (law@cygnus.com)
186 * Check in merge from gcc2. See ChangeLog.11 and ChangeLog.12
189 * haifa-sched.c: Mirror recent changes from gcc2.
191 Fri Apr 3 00:17:01 1998 Jeffrey A Law (law@cygnus.com)
193 * Makefile.in (insn*.o): Depend on system.h.
195 * pa.c (output_global_address): Initialize base.
196 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Initialize index.
198 1998-04-03 Mike Stump <mrs@wrs.com>
200 * gthr.h: Support systems that don't have weak, but have threads.
201 * configure.in (*wrs-vxworks*): Use VxWorks threads by default.
202 * gthr-vxworks.h: New file.
203 * objc/thr-vxworks.h: Dummy file from thr-single.c for now.
205 Thu Apr 2 18:00:52 1998 Jim Wilson <wilson@cygnus.com>
207 * i386.md (movqi+1): Change alternative 1 from *r/r to *r/*rn.
209 1998-04-02 Vladimir N. Makarov <vmakarov@cygnus.com>
211 * ginclude/va-i960.h (va_end): Change void * to void.
213 Thu Apr 2 13:51:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
215 * Makefile.in (choose-temp.o): Depend on system.h.
217 * choose-temp.c: Include system.h when IN_GCC.
219 Thu Apr 2 02:37:07 1998 Joern Rennecke (amylaar@cygnus.co.uk)
220 Richard Henderson <rth@cygnus.com>
222 * reload.c (find_reloads_address): Try LEGITIMIZE_RELOAD_ADDRESS.
223 (move_replacements): New function.
224 * reload.h: Prototype it.
226 * alpha.h (LEGITIMIZE_RELOAD_ADDRESS): New definition.
228 Thu Apr 2 01:01:34 1998 Richard Henderson <rth@cygnus.com>
230 * configure (alpha-*-linuxecoff, alpha-*-linux-gnulibc1):
233 * emit-rtl.c (gen_lowpart_common): Skip count by HARD_REGNO_NREGS.
234 (gen_highpart): Likewise.
235 * final.c (alter_subreg): Allow the target to hook by-mode subreg
236 hard register number changes.
238 Wed Apr 1 22:26:22 1998 Jeffrey A Law (law@cygnus.com)
240 * fold-const.c optimze_bit_field_compare): Initialize rnbitpos,
241 rnbitsize, rnmode and rinner.
242 (make_range): Initialize type.
243 (fold): Initialize arg0, arg1 and varop.
245 * function.c (instantiate_virtual_regs_1): Initialize offset, regnoi
247 (expand_function_start): Initialize last_ptr.
249 * stor-layout.c (layout_record): Initialize desired_align.
250 (get_best_mode): Initialize unit.
252 * tree.c (copy_node): Initialize length.
254 * c-lex.c (yylex): Initialize traditional_type, ansi_type and type.
256 * caller-save.c (insert_save_restore): Initialize pat, code and
259 * emit-rtl.c (push_to_sequence): Initialize top.
260 (push_topmost_sequence): Likewise.
262 * genattrtab.c (simplify_by_exploding): Initialize defval.
264 * profile.c (branch_prob): Initialize dest.
266 * rtl.h (note_stores): Remove duplicate prototype.
267 (GEN_INT): Re-instate cast of second arg to HOST_WIDE_INT.
269 * cplus-dem.c (gnu_special): Don't get confused by .<digits>
270 strings that are not actually lengths.
272 * genattrtab.c: Make generated file use system.h, instead of
273 including stdio.h, etc directly.
274 * genextract.c, genopinit.c, genoutput.c: Likewise.
275 * genpeep.c, genrecog.c: Likewise
277 * genoutput.c (process_template): Mark operands in the generated
278 function as potentially unused if compiling with GNU CC.
280 * i386/freebsd-elf.h (CPP_PREDEFINES): Update from FreeBSD folks.
282 * pa.md (reload peepholes): Remove unused variable "mode".
284 Wed Apr 1 17:06:19 1998 Nick Clifton <nickc@cygnus.com>
286 * config/arm/thumb.h: Add super interworking support.
287 * config/arm/thumb.c: Add super interworking support.
288 * config/arm/thumb.md: Add super interworking support.
289 * config/arm/lib1funcs.asm: Add interworking support.
290 * config/arm/lib1thumb.asm: Add super interworking support.
291 * config/arm/t-semi: Add interworking support.
292 * config/arm/t-thumb: Add interworking support.
293 * config/arm/README-interworking: New file.
295 Wed Apr 1 14:38:10 1998 Jim Wilson <wilson@cygnus.com>
297 * config/mips/iris6.h (MD_EXEC_PREFIX): Set to /usr/bin/.
298 (MD_STARTFILE_PREFIX): Unset.
300 1998-04-01 Mark Mitchell <mmitchell@usa.net>
302 * varasm.c (make_decl_rtl): Update the DECL_ASSEMBLER_NAME for a
303 entity in a local scope.
305 * fold-const.c (fold): Call truthvalue_conversion for values which
306 are folded to boolean type.
308 Wed Apr 1 06:09:53 1998 Jeffrey A Law (law@cygnus.com)
310 * 1750a.md, arm.c, clipper.c, clipper.md: Use GEN_INT consistently.
311 * convex.h, dsp16xx.c, fx80.md, gmicro.c, gmicro.md: Likewise.
312 * i370.h, i370.md, i860.c, i860.h, i860.md, i960.c: Likewise.
313 * i960.h, i960.md, m32r.md, m68k.md, m68kv4.h, m88k.c: Likewise.
314 * m88k.md, ns32k.c, ns32k.md, pdp11.c, pdp11.h, pdp11.md: Likewise.
315 * pyr.c, pyr.h, pyr.md, romp.c, romp.h, romp.md: Likewise.
316 * rs6000.md, sparc.c, sparc.h, sparc.md, spur.c, spur.md: Likewise.
317 * tahoe.md, vax.h, vax.md, we32k.c, we32k.h, we32k.md: Likewise.
320 Wed Apr 1 08:33:44 1998 Manfred Hollstein <manfred@s-direktnet.de>
322 * fixincludes (limits.h): Fix nested comments in Motorola's
323 limits.h and sys/limits.h.
325 Tue Mar 31 16:57:33 1998 Jim Wilson <wilson@cygnus.com>
327 * alpha.c (alpha_expand_unaligned_load): Use tgt instead of addr
328 as dest of expand_binop call.
330 * alpha.md (extzv): Correct check for valid operand[2] values.
332 * profile.c (branch_prob): Add code to recognize HPPA tablejump entry
335 * toplev.c (rest_of__compilation): Call init_recog_no_volatile at end.
337 Mon Mar 30 13:11:05 1998 Stan Cox <scox@cygnus.com>
339 * libgcc2.c: (__main, __do_global_dtors, __do_global_ctors):
340 For __CYGWIN32__ use the versions in winsup/dcrt0.cc.
342 * gcc.c, cccp.c, cpplib.c, collect2.c (GET_ENVIRONMENT): Added.
343 cygwin32 can override this to allow both unix and win32 style PATHs.
345 * i386/xm-cygwin32.h (GET_ENVIRONMENT): Defined to allow win32
346 style environment paths.
348 Mon Mar 30 14:43:20 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
350 * Makefile.in (cppalloc.o, cpperror.o, cppexp.o, cpphash.o,
351 cpplib.o, cppmain.o, fix-header.o, gcov.o, gen-protos.o,
352 gengenrtl.o, halfpic.o, hash.o, scan-decls.o, scan.o): Depend on
355 * cpphash.c: Include config.h.
356 * cppalloc.c: Include system.h. Add parameters to various
358 * cpperror.c: Likewise.
359 * cppexp.c: Likewise.
360 * cpphash.c: Likewise.
361 * cpplib.c: Likewise.
362 * cppmain.c: Likewise.
363 * fix-header.c: Likewise.
365 * gen-protos.c: Likewise.
366 * gengenrtl.c: Likewise.
367 * halfpic.c: Likewise.
369 * scan-decls.c: Likewise.
372 Mon Mar 30 11:06:45 1998 Jim Wilson <wilson@cygnus.com>
374 * README.gnat: Add lang_print_xnode definition.
376 Mon Mar 30 11:12:24 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
378 * config/m68k/m68k.c (standard_68881_constant_p): Don't use
379 fmovecr on the 68060.
381 Mon Mar 30 00:21:03 1998 Jeffrey A Law (law@cygnus.com)
383 * genemit.c (DONE): Rework so that it works in the true arm if
384 an if-else conditional.
387 Sun Mar 29 12:45:23 1998 Jeffrey A Law (law@cygnus.com)
389 * rs6000.c: Do not include stdioh or ctype.h anymore.
391 * Makefile.in (c-typeck.o): Delete on expr.h, insn-codes.h and
393 (stor-layout.o): Likewise.
394 * c-typeck.c: Include rtl.h and expr.h.
395 * stor-layout.c: Likewise.
397 * cpplib.c (cpp_file_line_for_message): Delete unused parameter.
399 (do_sccs): Wrap in an SCCS_DIRECTIVE ifdef.
400 * fix-header.c (cpp_file_line_for_message): Delete unused paramter.
403 * collect2.c (is_in_list): Wrap inside COLLECT_EXPORT_LIST ifdef.
405 * local-alloc.c (reg_classes_overlap_p): Delete dead function.
407 * tree.h (lang_print_xnode): Provide prototype.
409 Sat Mar 28 23:50:44 PST 1998 Jeff Law (law@cygnus.com)
411 * version.c: Bump for snapshot.
413 Sun Mar 29 00:42:21 1998 Jeffrey A Law (law@cygnus.com)
415 * objc/sendmsg.c (__objc_block_forward): Add braces for return
416 value if INVISIBLE_STRUCT_RETURN.
418 * pa.c (arith_double_operand): Fix parens.
420 * haifa-sched.c (print_pattern): Correct arg to sprintf.
422 * Makefile.in (libgcc1.null): Make return type for __foo void.
424 Sat Mar 28 14:37:20 1998 Jeffrey A Law (law@cygnus.com)
426 * pa.h: Add declarations for many functions defined in pa.c.
428 * genpeep.c (main): Remove unused variable 'i' from the generated
431 * genemit.c (gen_expand): Do not emit "_done" or "_fail" labels.
432 (gen_split): Likewise.
433 (main): Rework generated definitions of DONE and FAIL so that they
434 no longer use gotos. Avoids warnings about unused labels.
436 * integrate.c (copy_rtx_and_substitute): Rework to avoid need for
437 unused "junk" variable.
439 * genattrtab.c (write_complex_function): Add a default case in
440 generated switch statement to keep -W -Wall quiet.
442 Sat Mar 28 10:47:21 1998 Nick Clifton <nickc@cygnus.com>
444 * invoke.texi: Document more ARM and Thumb command line options.
446 * config/arm/xm-thumb.h: New file.
448 Sat Mar 28 01:37:33 1998 Craig Burley <burley@gnu.ai.mit.edu>
450 * stmt.c (expand_expr_stmt): Must generate code for
451 statements within an expression (gcc's `({ ... )}')
452 even if -fsyntax-only.
454 Sat Mar 28 01:06:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
455 Jeffrey A Law (law@cygnus.com)
457 * basic-block.h (basic_block_computed_jump_target): Declare.
458 * flags.h: (current_function_has_computed_jump): Declare.
459 * flow.c: (basic_block_computed_jump_target): Define.
460 (flow_analysis): Allocate it. Set current_function_has_computed_jump
462 (find_basic_blocks): Set current_function_has_computed_jump and
463 elements of basic_block_computed_jump_target to 1 as appropriate.
464 * function.c: (current_function_has_computed_jump): Define.
465 * global.c (global_conflicts): Don't allocate pseudos into stack regs
466 at the start of a block that is reachable by a computed jump.
467 * reg-stack.c (stack_reg_life_analysis): If must restart, do so
469 (subst_stack_regs): Undo change from Sep 4 1997.
470 (uses_reg_or_mem): Now unused, deleted.
471 * stupid.c (stupid_life_analysis): Compute
472 current_function_has_computed_jump.
473 (stupid_find_reg): Don't allocate stack regs if the function has a
475 * haifa-sched.c (is_cfg_nonregular): Delete code to determine if
476 the current function has a computed jump. Use the global value
479 Sat Mar 28 00:21:37 1998 Jeffrey A Law (law@cygnus.com)
481 * i386/freebsd.h (CPP_PREDEFINES): Remove __386BSD__.
482 (DWARF2_UNWIND_INFO): Define to zero.
484 Fri Mar 27 16:04:49 1998 Michael Meissner <meissner@cygnus.com>
486 * gcc.c (set_std_prefix): Add declaration.
487 (process_command): If GCC_EXEC_PREFIX is set, remove /lib/gcc-lib/
488 suffix, and update the standard prefix prefix.c uses.
490 * prefix.c (std_prefix): New global to hold default prefix value.
491 (get_key_value): Change to use std_prefix instead of PREFIX.
492 (translate_name): Ditto.
493 (update_path): Ditto.
494 (get_key_value): Release allocated scratch storage.
495 (set_std_prefix): New function to reset the standard prefix.
497 Fri Mar 27 18:08:21 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
499 * sh.c (find_barrier): Fix calculations for alignment increase.
501 Fri Mar 27 08:56:52 1998 Manfred Hollstein <manfred@s-direktnet.de>
503 * Makefile.in (stmp-fixinc): If we're actually fixing include
504 files, copy gcc's assert.h into the fixed include dir.
505 * fixincludes (assert.h): Avoid any attempts to fix a probably
506 broken system specific assert.h file.
507 * fixproto (stdlib.h): Make sure, it'll contain a definition of
510 Fri Mar 27 00:49:46 1998 Jeffrey A Law (law@cygnus.com)
512 * regclass.c (reg_scan_mark_refs): Be more selective about
513 when we mark a register with REGNO_POINTER_FLAG.
515 Thu Mar 26 23:00:11 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
517 reload inheritance improvement:
518 * reload1.c (reg_reloaded_contents, reg_reloaded_insn):
519 Change meaning: index is now hard reg number.
520 (reg_reloaded_valid, reg_reloaded_dead): New variables.
521 (reload_spill_index): Content is now a hard reg number.
522 (reload_as_needed): Change to fit new variable meaning.
523 (forget_old_reloads_1, allocate_reload_reg): Likewise.
524 (choose_reload_regs, emit_reload_insns): Likewise.
526 Thu Mar 26 18:34:13 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
528 * regclass.c (record_reg_classes): '?' increases cost by two.
530 * reload.c (find_reloads): Double previous costs. Output
531 reloads cost one unit extra.
533 * reload1.c (eliminate_regs): Delete LOAD_EXTENDED_OP code that
534 boiled down to && ! 0.
536 * reload.c (find_equiv_reg): Also consider a goal offset from the
537 frame pointer to be constant.
539 Thu Mar 26 17:34:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
541 * sh.h (OPTIMIZATION_OPTIONS): Define.
543 Thu Mar 26 00:19:47 1998 Richard Henderson <rth@cygnus.com>
545 * combine.c (make_compound_operation): Simplify (subreg (*_extend) 0).
547 Wed Mar 25 23:53:11 1998 Jeffrey A Law (law@cygnus.com)
549 * pa.c (pa_adjust_cost): Avoid redundant calls to get_attr_type.
551 Wed Mar 25 13:40:48 1998 Jim Wilson <wilson@cygnus.com>
553 * c-common.c (check_format_info): Initialize type, is_type. New local
554 integral_format. Don't warn for 'L' when pedantic. Do warn for 'L'
555 when pedantic if used with integral format specifier.
557 Wed Mar 25 16:09:01 1998 Michael Meissner <meissner@cygnus.com>
559 * rs6000.h (FUNCTION_ARG_PADDING): Cast result to be enum
561 (function_arg_padding): Declare.
563 * rs6000.c: Include system.h.
564 (function_arg_padding): Change return type to int, cast enum's to
567 (From Kaveh R. Ghazi <ghazi@caip.rutgers.edu>)
568 * collect2.c (scan_prog_file): Add explicit braces to avoid
571 * dbxout.c (dbxout_type_fields): Add braces around empty body in
573 (dbxout_type): Likewise.
575 * rs6000.c (rs6000_override_options): Change type of `i', `j' and
576 `ptt_size' from int to size_t.
577 (rs6000_file_start): Likewise for `i'.
578 (rs6000_replace_regno): Add default case in enumeration switch.
579 (output_epilog): Remove unused variable `i'.
580 (rs6000_longcall_ref): Remove unused variables `len', `p', `reg1'
583 * rs6000.h (ADDITIONAL_REGISTER_NAMES): Add missing braces around
585 (get_issue_rate, non_logical_cint_operand): Add prototype.
586 (rs6000_output_load_toc_table): Ditto.
588 * rs6000.md (udivmodsi4): Add explicit braces to avoid ambiguous
591 Wed Mar 25 10:05:19 1998 Nick Clifton <nickc@cygnus.com>
593 * config/arm/thumb.c: New File. Support for ARM's Thumb
595 * config/arm/thumb.h: New File. Thumb definitions.
596 * config/arm/thumb.md: New File. Thumb machine description.
597 * config/arm/tcoff.h: New File. Thumb COFF support.
598 * config/arm/t-thumb: New File. Thumb makefile fragment.
599 * config/arm/lib1thumb.asm: New File. Thumb libgcc support functions.
601 * configure.in: Add Thumb-coff target.
602 * configure: Add Thumb-coff target.
603 * config.sub: Add Thumb-coff target.
605 Wed Mar 25 10:30:32 1998 Jim Wilson <wilson@cygnus.com>
607 * loop.c (scan_loop): Initialize move_insn_first to zero.
609 Wed Mar 25 01:06:49 1998 Joel Sherrill (joel@OARcorp.com)
611 * config/i386/go32-rtems.h: Defined TARGET_MEM_FUNCTIONS.
612 * config/i386/rtems.h: Likewise.
613 * config/i960/rtems.h: Likewise.
614 * config/m68k/rtems.h: Likewise.
615 * config/mips/rtems64.h: Likewise.
616 * config/pa/rtems.h: Likewise.
617 * config/rs6000/rtems.h: Likewise.
618 * config/sh/rtems.h: Likewise.
619 * config/sparc/rtems.h: Likewise.
621 Wed Mar 25 00:57:26 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
623 * pa.c (emit_move_sequence): If in reload, call find_replacement.
625 Tue Mar 24 10:44:11 1998 Nick Clifton <nickc@cygnus.com>
627 * Makefile.in (gcov$(exeext)): Support .exe extension to gcov.
629 * collect2.c (find_a_file): Add debugging.
630 (find_a_file): Test for win32 style absolute paths if
631 DIR_SERPARATOR is defined.
632 (prefix_from_string): Add debugging.
633 (main): Test for debug command line switch at start of program
635 (main): Use GET_ENVIRONMENT rather than getenv().
636 (prefix_from_env): Use GET_ENVIRONMENT.
638 1998-03-24 Mark Mitchell <mmitchell@usa.net>
640 * cplus-dem.c (optable): Add sizeof.
641 (demangle_template_value_parm): New function containing code
642 previously found in demangle_template.
643 (demangle_integral_value): New function which handles complicated
644 integral expressions.
645 (demangle_template): Use them.
647 Tue Mar 24 12:13:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
649 * Makefile.in (genconfig.o, genflags.o, gencodes.o, genemit.o,
650 genopinit.o, genrecog.o, genextract.o, genpeep.o, genattr.o,
651 genattrtab.o, genoutput.o): Depend on system.h.
653 * genattr.c: Include system.h. Add arguments to various function
654 prototypes. Remove redundant prototype of read_rtx().
655 * genattrtab.c: Likewise.
656 * gencodes.c: Likewise.
657 * genconfig.c: Likewise.
658 * genemit.c: Likewise.
659 * genextract.c: Likewise.
660 * genflags.c: Likewise.
661 * genopinit.c: Likewise.
662 * genoutput.c: Likewise.
663 * genpeep.c: Likewise.
664 * genrecog.c: Likewise.
666 1998-03-24 Martin von Loewis <loewis@informatik.hu-berlin.de>
668 * c-lang.c (lang_print_xnode): New function.
669 * objc/objc-act.c (lang_print_xnode): Likewise.
670 * print-tree.c (print_node): Call it
672 Mon Mar 23 23:59:11 1998 H.J. Lu (hjl@gnu.org)
674 * c-parse.in: Recognize protocol qualifiers in class
675 definitions for objc.
677 (yyerror): Remove redundant decl.
678 (yyprint): Fix prototype.
680 Mon Mar 23 23:49:47 1998 Jeffrey A Law (law@cygnus.com)
682 * cse.c (rtx_cost): Only call CONST_COSTS if it is defined.
684 * stmt.c (unroll_block_trees): Free block_vector if needed.
686 Mon Mar 23 23:26:42 1998 Philippe De Muyter <phdm@macqel.be>
688 * m68k/m68k.md (zero_extendqidi2, zero_extendhidi2): New patterns.
689 (zero_extendsidi2): Avoid useless copy.
690 (iordi_zext): New pattern.
691 (iorsi_zexthi_ashl16): Pattern reworked to avoid "0" constraint for
693 (iorsi_zext): New name for old unnamed pattern; indentation fixes.
695 * m68k/m68k.md (ashldi_const): Allow shift count in range ]32,63].
696 (ashldi3): Allow constant shift count in range ]32,63].
697 (ashrdi_const, ashrid3, lshrdi_const, lshrdi3): Likewise.
699 1998-03-22 Mark Mitchell <mmitchell@usa.net>
701 * tree.h (IS_EXPR_CODE_CLASS): New macro.
703 Mon Mar 23 23:18:48 1998 Jeffrey A Law (law@cygnus.com)
705 * h8300.h (CONST_COSTS): Remove definition.
706 (DEFAULT_RTX_COSTS): Define.
708 Mon Mar 23 22:58:22 1998 Joel Sherrill (joel@OARcorp.com)
710 * config/sh/rtems.h: Switched from ELF to COFF.
712 Mon Mar 23 14:14:20 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
714 * freebsd.h (ASM_OUTPUT_ALIGN): Redefine.
716 Sat Mar 21 23:52:56 PST 1998 Jeff Law (law@cygnus.com)
718 * version.c: Bump for snapshot.
720 Sun Mar 22 00:50:42 1998 Nick Clifton <nickc@cygnus.com>
721 Geoff Noer <noer@cygnus.com>
723 * Makefile.in: Various fixes for building cygwin32 native toolchains.
725 * objc/Makefile.in: Various fixes for building cygwin32 native toolchains.
726 * objc/Make-lang.in: Likewise.
728 * config/i386/xm-cygwin32.h (PATH_SEPARATOR): Set to a semi-colon.
730 Sun Mar 22 00:21:46 1998 R. Ganesan <rganesan@novell.com>
732 * configure.in: Handle with-PACKAGE=no correctly
734 Fri Mar 20 17:36:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
736 * Makefile.in (alias.o, bitmap.o, c-aux-info.o, c-common.o,
737 c-decl.o, c-iterate.o, c-lang.o, c-lex.o, c-pragma.o, c-typeck.o,
738 caller-save.o, calls.o, collect2.o, combine.o, cse.o, dbxout.o,
739 dwarf2out.o, dwarfout.o, emit-rtl.o, except.o, explow.o, expmed.o,
740 expr.o, final.o, flow.o, function.o, getpwd.o, global.o,
741 integrate.o, jump.o, local-alloc.o, loop.o, optabs.o, pexecute.o,
742 prefix.o, print-rtl.o, print-tree.o, profile.o, real.o, recog.o,
743 reg-stack.o, regclass.o, regmove.o, reload.o, reload1.o, reorg.o,
744 rtl.o, rtlanal.o, sdbout.o, stmt.o, stor-layout.o, stupid.o,
745 tlink.o, toplev.o, tree.o, unroll.o, varasm.o, xcoffout.o): Depend
748 * alias.c, bitmap.c, c-aux-info.c, c-common.c, c-decl.c,
749 c-iterate.c, c-lang.c, c-lex.c, c-pragma.c, c-typeck.c,
750 caller-save.c, calls.c, collect2.c, combine.c, cse.c, dbxout.c,
751 dwarf2out.c, dwarfout.c, emit-rtl.c, except.c, explow.c, expmed.c,
752 expr.c, final.c, flow.c, function.c, gcc.c, getpwd.c, global.c,
753 integrate.c, jump.c, local-alloc.c, loop.c, optabs.c, pexecute.c,
754 prefix.c, print-rtl.c, print-tree.c, profile.c, real.c, recog.c,
755 reg-stack.c, regclass.c, regmove.c, reload.c, reload1.c, reorg.c,
756 rtl.c, rtlanal.c, sched.c, sdbout.c, stmt.c, stor-layout.c,
757 stupid.c, tlink.c, toplev.c, tree.c, unroll.c, varasm.c,
758 xcoffout.c: Include system.h. Organize include ordering so
759 that stdarg/varargs comes before other system headers. Remove
760 spurious casts of functions assured of a prototype in system.h.
762 Fri Mar 20 11:19:40 1998 Stan Cox <scox@equinox.cygnus.com>
764 * reg-stack.c (pop_stack): Define. Pops any register on the
765 regstack and adjusts regstack.
766 (compare_for_stack_reg): Use pop_stack.
768 Thu Mar 19 23:51:01 1998 Jeffrey A Law (law@cygnus.com)
770 * configure.in (hppa1.0-hp-hpux10): Handle threads for this
773 Thu Mar 19 20:30:31 1998 Philippe De Muyter <phdm@macqel.be>
775 * libgcc2.c (exit): Do not call __bb_exit_func if HAVE_ATEXIT.
777 * fold-const.c (fold): Replace sign-extension of a zero extended
778 value by a single zero extension.
780 Thu Mar 19 00:58:07 1998 Jason Merrill <jason@yorick.cygnus.com>
782 * except.c (init_eh): Do nothing.
783 (save_eh_status): Call init_eh_for_function, not init_eh.
784 * function.c (push_function_context_to): Don't call init_emit.
786 Thu Mar 19 13:39:52 1998 Michael Meissner <meissner@cygnus.com>
788 * rs6000/sysv4.h (RELATIVE_PREFIX_NOT_LINKDIR): Undef for System V
791 Thu Mar 19 10:10:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
793 * final.c (shorten_branches): Add parentheses around +/- in
796 * flow.c (life_analysis): Wrap variable `i' in macro ELIMINABLE_REGS.
798 Thu Mar 19 09:15:17 1998 Manfred Hollstein <manfred@s-direktnet.de>
800 * regclass.c (memory_move_secondary_cost): Wrap uses of
801 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS
804 Thu Mar 19 09:06:35 1998 Manfred Hollstein <manfred@s-direktnet.de>
806 * config/m68k/m68k.md (addqi3): Fix typo gen_INT vs. GEN_INT.
808 * flow.c (life_analysis): #include <sys/types.h> to make sure
810 * cplus-dem.c (demangle_function_name): Likewise.
812 Thu Mar 19 09:00:01 1998 Manfred Hollstein <manfred@s-direktnet.de>
814 * final.c (insn_noperands): Change type to unsigned int.
815 (final_scan_insn): Likewise for noperands;
816 properly check operand number boundaries.
818 Wed Mar 18 16:20:30 1998 Richard Henderson <rth@cygnus.com>
820 * alpha.md (extzv): Don't reject register operands. Fix
823 Wed Mar 18 16:14:23 1998 Richard Henderson <rth@cygnus.com>
825 * dbxout.c (dbxout_function_end): Fix last change. The correct
826 predicate is ASM_OUTPUT_SECTION_NAME.
828 Wed Mar 18 12:43:20 1998 Jim Wilson <wilson@cygnus.com>
830 * sh.md (ashlsi_c-1): Delete 3rd argument to gen_ashlsi_c.
831 (ashlsi): Use match_dup 1 instead of match_operand 2.
833 Wed Mar 18 13:46:07 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
835 * fold-const.c (operand_equal_for_comparison_p): See if equal
836 when nop conversions are removed.
838 Wed Mar 18 13:42:01 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
840 * expr.c (expand_expr, case COND_EXPR): If have conditional move,
841 don't use ORIGINAL_TARGET unless REG.
843 Wed Mar 18 16:53:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
845 * netbsd.h (ASM_OUTPUT_ALIGN): Redefine.
847 Wed Mar 18 12:43:20 1998 Jim Wilson <wilson@cygnus.com>
849 * loop.c (struct movable): New field move_insn_first.
850 (scan_loop): In consec sets code, set it. Clear it otherwise.
851 (move_movables): In consec sets code, use it. Copy REG_NOTES from
852 p to i1 only if i1 does not have REG_NOTES. Delete obsolete ifdefed
855 Wed Mar 18 09:52:56 1998 Richard Henderson <rth@cygnus.com>
857 * rtl.c (read_rtx): Fall back on homebrew atoll if HOST_WIDE_INT
858 is large, and the system doesn't provide atoll or atoq.
861 * alpha/xm-vms.h (HAVE_ATOLL): Define.
862 Reported by Klaus Kaempf <kkaempf@progis.de>.
864 Wed Mar 18 09:56:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
866 * c-lang.c (finish_file): Wrap variable `void_list_node' with macro
867 test !ASM_OUTPUT_CONSTRUCTOR || !ASM_OUTPUT_DESTRUCTOR.
869 * calls.c (emit_call_1): Wrap variable `already_popped' with macro
870 test !ACCUMULATE_OUTGOING_ARGS.
872 * collect2.c (write_c_file_glob): Wrap function definition in
873 macro test !LD_INIT_SWITCH.
875 * combine.c (try_combine): Wrap variables `cc_use' and
876 `compare_mode' in macro test EXTRA_CC_MODES.
878 * cpplib.c (do_ident): Remove unused variable `len'.
879 (skip_if_group): Remove unused variables `at_beg_of_line' and
881 (cpp_get_token): Remove unused variable `dummy'.
883 * dbxout.c (scope_labelno): Move static variable definition inside
884 the one function scope where it is used.
885 (dbxout_function_end): Wrap prototype and definition in
886 macro test !NO_DBX_FUNCTION_END.
888 * dwarf2out.c (add_subscript_info): Wrap variable `dimension_number'
889 in macro test !MIPS_DEBUGGING_INFO.
891 * expr.c (expand_builtin_setjmp): Move declaration of variable `i'
892 into the scope where it is used. Wrap empty else-statement body
895 * fix-header.c: Fix typo in comment.
896 (inf_skip_spaces): Cast results of INF_UNGET to (void).
897 (check_protection, main): Likewise.
899 * flow.c (find_basic_blocks_1): Remove dangling comment text.
901 * function.c (contains): Wrap prototype and definition in macro
902 test HAVE_prologue || HAVE_epilogue.
903 (fixup_var_refs_1): Remove unused variable `width'.
905 * gen-protos.c (main): Remove unused variable `optr'.
907 * haifa-sched.c (debug_control_flow): Remove unused variable `j'.
909 * libgcc2.c (__udiv_w_sdiv): Provide dummy return value of 0.
910 (__sjpopnthrow): Remove unused variable `jmpbuf'.
911 (__throw): Remove unused variable `val'.
913 * protoize.c: Check for a previously existing definition before
914 defining *_OK macros.
916 * scan-decls.c (scan_decls): Remove unused variable `old_written'.
918 Tue Mar 17 00:45:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
920 * vax.h (ADDR_VEC_ALIGN): Define.
922 Mon Mar 16 15:57:17 1998 Michael Meissner <meissner@cygnus.com>
924 * gcc.c (default_arg): Don't wander off the end of allocated
927 (From Geoffrey Keating <geoffk@ozemail.com.au>)
928 * rs6000.c (small_data_operand): Ensure that any address
929 referenced relative to the small data area is inside the SDA.
931 Mon Mar 16 12:55:15 1998 Jim Wilson <wilson@cygnus.com>
933 * config/m68k/netbsd.h (ASM_SPEC): Add %{m68060}.
935 Mon Mar 16 15:50:20 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
937 * except.h (in_same_eh_region): New prototype.
938 (free_insn_eh_region, init_insn_eh_region): New prototypes.
939 * except.c (insn_eh_region, maximum_uid): New static variables.
940 (set_insn_eh_region): New static function to set region numbers.
941 (free_insn_eh_region): New function to free EH region table.
942 (init_insn_eh_region): New function to initialize EH region table.
943 (in_same_eh_region): New function used to determine if two rtl
944 instructions are in the same exception region or not.
945 * final.c (final): Initialize the table indicating which instructions
946 belong in which exception region.
947 * genpeep.c (main): Add "except.h" to include file list in generated
949 * config/sparc/sparc.md: Add calls to 'in_same_eh_region' in 4
950 peepholes involving calls and unconditional branches.
952 Mon Mar 16 11:16:50 1998 Jim Wilson <wilson@cygnus.com>
954 * README.gnat: New file.
956 Mon Mar 16 11:14:20 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
958 * config/m68k/m68k.c: Include <stdlib.h> for atoi. Include
959 "recog.h" for offsettable_memref_p.
960 (legitimize_pic_address): Remove unused variable `offset'.
961 (notice_update_cc): Change return type to void. Add default label
963 (standard_68881_constant_p): Remove unused variable mode.
964 (print_operand): Define local variable i only if SUPPORT_SUN_FPA.
965 (const_int_cost): Explicitly declare as returning int.
966 (output_dbcc_and_branch): Change return type to void.
968 * config/m68k/linux.h, config/m68k/m68k.md, config/m68k/m68k.c,
969 config/m68k/m68k.h: Replace gen_rtx (XXX, ...) with gen_rtx_XXX
970 (...). Use GEN_INT instead of gen_rtx_CONST_INT.
972 Sun Mar 15 22:30:44 PST 1998 Jeff Law (law@cygnus.com)
974 * version.c: Bump for snapshot.
976 Fri Mar 13 11:30:12 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
978 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Fix logic in range
979 check for 'M' constraint.
981 Thu Mar 12 14:47:14 1998 Jim Wilson <wilson@cygnus.com>
983 * cccp.c (create_definition): If pedantic, call pedwarn for macro
986 Thu Mar 12 13:43:25 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
988 * i386.c (ix86_logical_operator): New function.
989 (split_di): Ensure that when a MEM is split, the resulting MEMs have
991 * i386.md (anddi3, xordi3, iordi3): New patterns. Add a define_split
994 Thu Mar 12 15:13:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
995 Richard Earnshaw <rearnsha@arm.com>
996 Nick Clifton <nickc@cygnus.com>
998 * tm.texi (DEFAULT_RTX_COSTS): Document new macro.
1000 * arm.h (DEFAULT_RTX_COSTS): Define instead of RTX_COSTS.
1002 * cse.c (rtx_cost): Provide a default case in an enumeration
1003 switch, and call DEFAULT_RTX_COSTS if it's defined.
1005 Thu Mar 12 10:02:38 1998 Manfred Hollstein <manfred@s-direktnet.de>
1007 * basic-block.h (compute_preds_succs): Change return type in
1009 * flow.c (compute_preds_succs): Likewise in function definition.
1011 * regmove.c (find_matches): Cast char used as array index to unsigned char
1014 Thu Mar 12 09:39:40 1998 Manfred Hollstein <manfred@s-direktnet.de>
1016 * i386.h (RTX_COSTS): Insert braces around nested if.
1017 (ADDITIONAL_REGISTER_NAMES): Insert braces around structured
1020 * gcc.c (default_compilers): Properly put brackets around array elements in
1023 * getopt.c (_getopt_internal): Add explicit braces around nested if;
1026 * reg-stack.c (record_asm_reg_life): Add explicit braces around nested if's.
1027 (record_reg_life_pat): Add explicit parens around && and || in expression.
1028 (stack_reg_life_analysis): Add parens around assignment used as expression.
1029 (convert_regs): Likewise.
1031 Thu Mar 12 09:25:29 1998 Manfred Hollstein <manfred@s-direktnet.de>
1033 * bitmap.c (bitmap_element_allocate): Remove unused parameter;
1034 change callers accordingly.
1036 * cplus-dem.c (arm_special): Remove unused parameter work in prototype
1037 and definition; change all callers accordingly.
1039 * except.c (init_eh): Avoid assignment of unused return value of
1040 build_pointer_type; cast it to void, instead, and remove unused
1043 * gcc.c (lang_specific_driver): Define prototype only #ifdef
1044 LANG_SPECIFIC_DRIVER.
1045 (temp_names): Define only #ifdef MKTEMP_EACH_FILE.
1047 * genoutput.c (output_epilogue): Initialize next_name to 0.
1049 * real.c (efrexp): #if 0 prototype and function definition.
1050 (eremain): Likewise.
1057 * reload.c (push_secondary_reload): Define prototype only
1058 #ifdef HAVE_SECONDARY_RELOADS.
1060 * varasm.c (assemble_static_space): Define rounded only
1061 #ifndef ASM_OUTPUT_ALIGNED_LOCAL.
1063 Thu Mar 12 09:11:35 1998 Manfred Hollstein <manfred@s-direktnet.de>
1065 * i386.md (andsi): Add default case in enumeration switch.
1070 Thu Mar 12 08:37:02 1998 Manfred Hollstein <manfred@s-direktnet.de>
1072 * c-decl (finish_struct): Change type of min_align to unsigned.
1074 * cplus-dem.c (demangle_function_name): Change type of variable i to size_t;
1075 remove unused variable len.
1077 * dwarf2out.c (reg_save): Add explicit cast of -1 to unsigned and a
1078 comment indicating this is proper behaviour.
1079 (reg_loc_descriptor): Remove redundant comparison of unsigned variable
1081 (based_loc_descr): Likewise.
1083 * enquire.c (bitpattern): Change type of variable i to unsigned.
1085 * final.c (output_asm_insn): Don't cast insn_noperands to unsigned.
1087 * flow.c (life_analysis): Change type of variable i to size_t;
1088 remove unused variable insn.
1090 * gcc.c (translate_options): Change type of variables optlen, arglen and
1092 (input_filename_length): Change type to size_t.
1093 (do_spec_1): Change type of variable bufsize to size_t.
1094 (main): Change type of variables i and j to size_t;
1095 remove subblock local definition of variable i.
1096 (lookup_compiler): Change type of second argument to size_t;
1097 change type of variable i to size_t.
1099 * genemit.c (output_init_mov_optab): Change type of variable i to size_t.
1101 * genopinit.c (get_insn): Change type of variable pindex to size_t.
1103 * genrecog.c (add_to_sequence): Change type of variable i to size_t.
1105 * global.c (global_alloc): Change type of variable i to size_t.
1107 * regclass.c (init_reg_sets): Change type of variables i and j to unsigned.
1109 * stmt.c (expand_end_bindings): Change type of variable i to size_t.
1110 (expand_end_case): Change type of variable count to size_t.
1112 * toplev.c (main): Change type of variable j to size_t.
1113 (set_target_switch): Change type of variable j to size_t.
1114 (print_switch_values): Change type of variable j to size_t;
1115 remove unused variable flags.
1117 * varasm.c (assemble_variable): Change type of variable align to size_t.
1118 (const_hash_rtx): Change type of variable i to size_t.
1120 1998-03-11 Mark Mitchell <mmitchell@usa.net>
1122 * dbxout.c (dbxout_type_methods): Only treat TYPE_METHODS as a
1123 TREE_VEC if that's what it really is.
1125 Wed Mar 11 15:16:01 1998 Michael Meissner <meissner@cygnus.com>
1127 * {haifa-,}sched.c (rank_for_schedule): Only take void * arguments
1130 Wed Mar 11 12:05:20 1998 Teemu Torma <tot@trema.com>
1132 * gthr.h: Changed the comment about return values.
1133 * gthr-solaris.h (__gthread_once): Do not use errno; return the
1134 error number instead of -1.
1135 (__gthread_key_create): Any non-zero return value is an error.
1136 * libgcc2.c (eh_context_initialize): Check for non-zero return
1137 value from __gthread_once.
1138 Check that the value of get_eh_context was really changed.
1140 Wed Mar 11 18:26:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1142 * sh.h (LOOP_ALIGN): Only align when optimizing.
1143 * sh.c (find_barrier): Clear inc for CODE_LABELs.
1144 When not optimizing, calculate alignment for BARRIERs directly.
1146 Wed Mar 11 15:07:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1148 * final.c (shorten_branches): Remove conditionalizing on
1149 SHORTEN_WITH_ADJUST_INSN_LENGTH
1150 * sh.h, pa.h (SHORTEN_WITH_ADJUST_INSN_LENGTH): Remove.
1152 Wed Mar 11 02:37:41 1998 Jeffrey A Law (law@cygnus.com)
1154 * flow.c (find_basic_blocks_1): Keep the cfg accurate when removing
1155 an unconditional jump around deleted blocks.
1157 Mon Mar 9 12:02:23 1998 Jim Wilson <wilson@cygnus.com>
1159 * profile.c (branch_prob): If see computed goto, call fatal instead of
1162 * config/mips/sni-svr4.h (CPP_PREDEFINE): Add -DSNI and -Dsinix.
1164 * configure.in (alpha-dec-osf): Add default case for osf* to switch.
1165 Patch from Bruno Haible.
1167 * function.c (put_reg_into_stack): Copy MEM_IN_STRUCT_P from new.
1168 (assign_parms): Set aggregate if hide_last_arg and last_named.
1170 Mon Mar 9 19:57:56 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1172 * final.c (shorten_branches): Initialize insn_addresses.
1174 Mon Mar 9 14:10:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1176 * sh.h (MUST_PASS_IN_STACK): Define.
1178 Sun Mar 8 13:01:56 1998 Jeffrey A Law (law@cygnus.com)
1180 * final.c (shorten_branches): Fix minor logic error in
1181 ADDR_DIFF_VEC shortening support.
1183 Sun Mar 8 02:17:42 PST 1998 Jeff Law (law@cygnus.com)
1185 * version.c: Bump for snapshot.
1187 Sat Mar 7 00:54:15 1998 Jeffrey A Law (law@cygnus.com)
1189 * haifa-sched.c (is_cfg_nonregular): Change return type to
1190 an int. No longer compute "estimated" number of edges. Use
1191 computed_jump_p instead of duplicating the code. Fixup/add
1193 (build_control_flow): Returns a value indicating an irregularity
1194 in the cfg was detected. Count the number of edges in the cfg.
1195 allocate various edge tables.
1196 (find_rgns): No longer look for unreachable blocks.
1197 (schedule_insns): Do not allocate memory for edge tables here.
1198 Free memory for edge tables before returning. Do not perform
1199 cross block scheduling if build_control_flow returns nonzero.
1200 * flow.c (compute_preds_succs): More accurately determine when
1203 * basic-block.h (free_basic_block_vargs): Provide prototype.
1205 * cccp.c (main): Fix dumb mistakes in last change.
1207 Fri Mar 6 21:28:45 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1209 * rtl.h (addr_diff_vec_flags): New typedef.
1210 (union rtunion_def): New member rt_addr_diff_vec_flags.
1211 (ADDR_DIFF_VEC_FLAGS): New macro.
1213 * sh.c (output_branch): Fix offset overflow problems.
1215 * final.c (shorten_branches): Implement CASE_VECTOR_SHORTEN_MODE.
1216 (final_scan_insn): New argument BODY for ASM_OUTPUT_ADDR_DIFF_ELT.
1217 * rtl.def (ADDR_DIFF_VEC): Three new fields (min, max and flags).
1218 * stmt.c (expand_end_case): Supply new arguments to
1219 gen_rtx_ADDR_DIFF_VEC.
1220 * 1750a.h (ASM_OUTPUT_ADDR_DIFF_ELT): New argument BODY.
1221 * alpha.h, arc.h, clipper.h, convex.h : Likewise.
1222 * dsp16xx.h, elxsi.h, fx80.h, gmicro.h, h8300.h : Likewise.
1223 * i370.h, i386.h, i860.h, i960.h, m32r.h, m68k.h, m88k.h : Likewise.
1224 * mips.h, mn10200.h, mn10300.h, ns32k.h, pa.h, pyr.h : Likewise.
1225 * rs6000.h, sh.h, sparc.h, spur.h, tahoe.h, v850.h : Likewise.
1226 * vax.h, we32k.h, alpha/vms.h, arm/aof.h, arm/aout.h : Likewise.
1227 * i386/386bsd.h, i386/freebsd-elf.h : Likewise.
1228 * i386/freebsd.h, i386/linux.h : Likewise.
1229 * i386/netbsd.h, i386/osfrose.h, i386/ptx4-i.h, i386/sco5.h : Likewise.
1230 * i386/sysv4.h, m68k/3b1.h, m68k/dpx2.h, m68k/hp320.h : Likewise.
1231 * m68k/mot3300.h, m68k/sgs.h : Likewise.
1232 * m68k/tower-as.h, ns32k/encore.h, sparc/pbd.h : Likewise.
1233 * sh.h (INSN_ALIGN, INSN_LENGTH_ALIGNMENT): Define.
1234 (CASE_VECTOR_SHORTEN_MODE): Define.
1235 (short_cbranch_p, align_length, addr_diff_vec_adjust): Don't declare.
1236 (med_branch_p, braf_branch_p): Don't declare.
1237 (mdep_reorg_phase, barrier_align): Declare.
1238 (ADJUST_INSN_LENGTH): Remove alignment handling.
1239 * sh.c (uid_align, uid_align_max): Deleted.
1240 (max_uid_before_fixup_addr_diff_vecs, branch_offset): Deleted.
1241 (short_cbranch_p, med_branch_p, braf_branch_p, align_length): Deleted.
1242 (cache_align_p, fixup_aligns, addr_diff_vec_adjust): Deleted.
1243 (output_far_jump): Don't use braf_branch_p.
1244 (output_branchy_insn): Don't use branch_offset.
1245 (find_barrier): Remove checks for max_uid_before_fixup_addr_diff_vecs.
1246 Remove paired barrier stuff.
1247 Don't use cache_align_p.
1248 Take alignment insns into account.
1249 (fixup_addr_diff_vecs): Reduce to only fixing up the base label of
1251 (barrier_align, branch_dest): New function.
1252 (machine_dependent_reorg, split_branches): Remove infrastructure
1253 for branch shortening that is now provided in the backend.
1254 * sh.md (short_cbranch_p, med_branch_p, med_cbranch_p): New attributes.
1255 (braf_branch_p, braf_cbranch_p): Likewise.
1256 (attribute length): Use new attributes.
1257 (casesi_worker): Get mode and unsignednedd from ADDR_DIFF_VEC.
1258 (addr_diff_vec_adjust): Delete.
1259 (align_2): Now a define_expand.
1260 (align_log): Now length 0.
1262 Fri Mar 6 14:41:33 1998 Michael Meissner <meissner@cygnus.com>
1264 * m32r.md (right): Correctly check for length == 2, not 1.
1266 Fri Mar 6 14:00:04 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1268 * mips/mips.h: Prototype `machine_dependent_reorg'.
1269 (ASM_OUTPUT_ALIGN): Remove unused variable `mask'.
1271 Fri Mar 6 11:43:35 1998 Joern Rennecke (amylaar@cygnus.co.uk)
1273 * final.c (shorten_branches): Restore accidentally removed code.
1275 Fri Mar 6 11:00:49 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1277 * configure.in: Remove duplicate uses of AC_PROG_CC and
1280 Fri Mar 6 00:59:30 1998 Richard Henderson <rth@cygnus.com>
1282 * configure.in (target_cpu_default2): Correct typo for alphapca56.
1284 Thu Mar 5 23:24:50 1998 Jeffrey A Law (law@cygnus.com)
1285 Doug Evans (devans@cygnus.com)
1287 * haifa-sched.c (build_jmp_edges): Delete dead function.
1288 (build_control_flow): Use cfg routines from flow.c
1289 (schedule_insns): Remove debugging code accidentally checked
1292 * basic-block.h: Add external integer list structures, typdefs,
1293 accessor macros and function declarations. Simlarly for
1294 basic block pred/succ support and simple bitmap stuff.
1295 * flow.c: Add functions for integer list, basic block pred/succ
1296 support and simple bitmap support.
1297 (compute_dominators): New function to compute dominators and
1299 (find_basic_blocks): Split into two functions.
1300 (life_analysis): Likewise.
1301 (flow_analysis): Removed. Now handled by calling find_basic_blocks,
1302 the life_analysis from toplev.c
1303 * toplev.c (rest_of_compilation): Call find_basic_blocks, then
1304 life_analysis instead of flow_analysis.
1306 Thu Mar 5 23:06:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1308 * jump.c (jump_optimize): Call mark_jump_label also for deleted
1310 (mark_jump_label): Don't increment ref counts for deleted insns.
1312 Thu Mar 5 09:55:15 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1314 * mips/iris6.h (TARGET_DEFAULT): Parenthesize macro definition.
1316 * mips/mips.c: Include stdlib.h and unistd.h.
1317 (mips_asm_file_end): Add braces around empty body in an if-statement.
1318 (function_prologue): Wrap variable `fnname' in
1319 !FUNCTION_NAME_ALREADY_DECLARED. Correct format specifier in fprintf.
1320 (mips_select_rtx_section, mips_select_section): Declare as void.
1322 * mips/mips.h: Add prototypes for extern functions in mips.c.
1323 (FUNCTION_ARG_REGNO_P): Add parentheses around && within ||.
1324 (ENCODE_SECTION_INFO): Add braces around empty body in an
1327 * mips/mips.md (movdi): Add parentheses around && within ||.
1328 (movsf, movdf): Likewise.
1329 (branch_zero, branch_zero_di): Add default case in
1333 Thu Mar 5 02:45:48 1998 Richard Henderson <rth@cygnus.com>
1335 * alpha/alpha.h (TARGET_WINDOWS_NT, TARGET_OPEN_VMS): Just make them
1336 real constants, since they can't be changed.
1337 (TARGET_AS_CAN_SUBTRACT_LABELS): New.
1338 * alpha/alpha.md (builtin_setjmp_receiver): Use it.
1339 * alpha/osf.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
1340 * alpha/osf2or3.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
1341 * alpha/vms.h (TARGET_OPEN_VMS): New.
1342 * alpha/win-nt.h (TARGET_WINDOWS_NT): New.
1344 Thu Mar 5 02:41:27 1998 Richard Henderson <rth@cygnus.com>
1346 * reload.c (find_reloads): Always force (subreg (mem)) to be
1347 reloaded if WORD_REGISTER_OPERATIONS.
1349 Thu Mar 5 02:14:44 1998 Richard Henderson <rth@cygnus.com>
1351 * haifa-sched.c (free_list): Rename from free_pnd_lst.
1352 (free_pending_lists): Rename free_pnd_lst uses.
1353 (remove_dependence): Place expunged element on unused_insn_list.
1354 (alloc_INSN_LIST, alloc_EXPR_LIST): New. Change all callers of
1355 gen_rtx_*_LIST and alloc_rtx to use them.
1356 (compute_block_backward_dependences): Free the reg_last_* lists.
1358 Thu Mar 5 00:05:40 1998 Jeffrey A Law (law@cygnus.com)
1360 * cccp.c (main): Avoid undefined behavior when setting pend_includes
1363 Wed Mar 4 21:58:25 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
1365 * rs6000/linux.h: don't define DEFAULT_VTABLE_THUNKS to 1 if
1366 USE_GNULIBC_1 is defined
1367 * configure.in: add a new case powerpc-*-linux-gnulibc1 which
1368 includes the t-linux-gnulibc1 fragment
1370 Wed Mar 4 12:11:36 1998 Jim Wilson <wilson@cygnus.com>
1372 * mips.md (movdf_internal1a): Fix misplaced parenthesis in condition.
1374 Wed Mar 4 18:47:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1376 * final.c (final_scan_insn, case CODE_LABEL: Cleanup.
1378 Wed Mar 4 15:51:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1380 * final.c (shorten_branches): Tag the loop alignment onto the
1381 first label after NOTE_INSN_LOOP_BEG even if there is an
1384 Tue Mar 3 21:48:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1386 * final.c (insn_current_reference_address):
1387 Use SEQ instead of BRANCH as argument to align_fuzz, to get a
1388 proper alignment chain.
1390 * final.c (max_labelno): New static variable.
1391 (final_scan_insn): Check max_labelno before outputting an
1392 alignment for a label.
1393 (shorten_branches): Remove unused variable length_align.
1395 Tue Mar 3 14:27:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1397 * sparc.c (ultrasparc_adjust_cost): Add default case in
1400 * sparc.h: Add prototypes for extern functions defined in
1403 Tue Mar 3 10:00:11 1998 Nick Clifton <nickc@cygnus.com>
1405 * toplev.c: Only generate <name>.dbr file when dumping RTL if
1406 DEALY_SLOTS is defined.
1408 Tue Mar 3 07:36:37 1998 Manfred Hollstein <manfred@s-direktnet.de>
1410 * reorg.c (fill_eager_delay_slots): Add new argument delay_list
1411 in call to fill_slots_from_thread.
1413 Mon Mar 2 13:45:03 1998 Richard Henderson <rth@cygnus.com>
1415 * alpha/linux.h (CPP_PREDEFINES): Correct connecting whitespace
1416 to SUB_CPP_PREDEFINES. Reported by asun@saul4.u.washington.edu.
1418 Mon Mar 2 22:59:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1420 * final.c (insn_last_address, insn_current_align, uid_align):
1422 (in_align_chain, align_fuzz, align_shrink_fuzz): New functions.
1423 (insn_current_reference_address): Likewise.
1424 (shorten_branches, final_scan_insn): Implement LABEL_ALIGN,
1425 LABEL_ALIGN_AFTER_BARRIER and LOOP_ALIGN target macros.
1426 (label_to_alignment): New function.
1427 * genattrtab.c (write_test_expr): If one of LABEL_ALIGN,
1428 LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN is defined, call
1429 insn_current_reference_address instead of insn_current_address.
1430 (or_attr_value, write_length_unit_log): New functions.
1431 (main): Call write_length_unit_log.
1432 (write_const_num_delay_slots): Output extra '\n'.
1433 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE):
1435 (LOOP_ALIGN, ALIGN_LABEL_AFTER_BARRIER).
1436 * i386.h, i386/osfrose.h, i386/svr3dbx.h, m68k.h, sparc.h: Likewise.
1437 * arc.h, m32r.h (ASM_OUTPUT_LOOP_ALIGN): replace with:
1439 * i960.h, m88k.h: (ASM_OUTPUT_ALIGN_CODE): Replace with:
1440 (LABEL_ALIGN_AFTER_BARRIER).
1441 * ns32k/encore.h, ns32k/merlin.h, ns32k.h, ns32k/sequent.h: Likewise.
1442 * ns32k/tek6000.h: Likewise.
1443 * i386/gas.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Delete.
1444 * i386.md (casesi+1): Use ASM_OUTPUT_ALIGN instead of
1445 ASM_OUTPUT_ALIGN_CODE.
1447 Mon Mar 2 01:05:50 PST 1998 Jeff Law (law@cygnus.com)
1449 * version.c: Bump for snapshot.
1451 Mon Mar 2 00:52:18 PST 1998 Jeff Law (law@cygnus.com)
1453 * version.c: Bump for snapshot.
1455 Sun Mar 1 18:25:49 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
1457 * reorg.c (fill_slots_from_thread): Don't steal delay list from target
1458 if condition code of jump conflicts with opposite_needed.
1460 * reorg.c (fill_slots_from_thread): Mark resources referenced in
1461 opposite_needed thread. Return delay_list even when cannot get
1462 any more delay insns from end of subroutine.
1464 Sun Mar 1 18:26:21 1998 Ken Rose (rose@acm.org)
1466 * reorg.c (fill_slots_from_thread): New parameter, delay_list.
1467 All callers changed.
1469 Sun Mar 1 18:25:37 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
1471 * frame.c (start_fde_sort, fde_split, heapsort, fde_merge,
1472 end_fde_sort): New functions for fast sorting of an FDE array.
1473 (fde_insert): Simplified.
1474 (add_fdes): Change argument list.
1475 (frame_init): Use the new functions.
1477 Sun Mar 1 18:06:21 1998 Jeffrey A Law (law@cygnus.com)
1479 * ginclude/va-ppc.h (va_arg): Fix typo in long long support.
1481 * i386.c (reg_mentioned_in_mem): Fix dangling else statement.
1483 * fold-const.c (fold_range_test): Always return a value.
1485 Sun Mar 1 17:57:34 1998 Mumit Khan <khan@xraylith.wisc.edu>
1487 * config/i386/winnt.c (i386_pe_unique_section): Put read-only
1488 data in the text section unless READONLY_DATA_SECTION is defined.
1490 Sun Mar 1 17:48:46 1998 Jeffrey A Law (law@cygnus.com)
1492 * c-parse.in (undeclared variable error): Tweak error message to
1495 Sun Mar 1 10:22:36 PST 1998 Jeff Law (law@cygnus.com)
1497 * version.c: Bump for snapshot.
1499 1998-02-28 Mark Mitchell <mmitchell@usa.net>
1501 * final.c (final_scan_insn): Undo overzealous removal of `set'.
1503 Sat Feb 28 07:54:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1505 * pa.h (CONST_COSTS): When checking the CONST_DOUBLE enumerated
1506 case, add parentheses to specify the proper order of precedence in
1510 * c-aux-info.c: Include string.h/strings.h.
1512 * pa.c: Include stdlib.h.
1513 (pa_combine_instructions): Prototype the function.
1514 (pa_can_combine_p, forward_branch_p, shadd_constant_p): Likewise.
1515 (reloc_needed): Add default case for enumeration switch.
1516 (remove_useless_addtr_insns): Remove unused variable `all'.
1517 (hppa_expand_prologue): Add explicit braces to avoid
1519 (output_function_epilogue): Remove unused variable `i'.
1520 (output_millicode_call): Remove unused variable `link'.
1521 (shadd_constant_p, forward_branch_p): Make the function static.
1522 (following_call): Explicitly declare to return int.
1523 (pa_reorg): Declare as void.
1524 (pa_combine_instructions): Declare as static void. Add
1525 parentheses around && within ||.
1527 * pa.h: Add prototypes for pa_reorg, symbolic_operand,
1528 following_call, function_label_operand, lhs_lshift_cint_operand
1531 * pa.md: Add parentheses around && within ||.
1533 * cppalloc.c: Include stdlib.h.
1535 * cpperror.c (cpp_print_containing_files): Remove unused variable
1536 `i'. Fix format specifier in fprintf.
1538 * cse.c (cse_around_loop): Add explicit braces to avoid
1540 (delete_dead_from_cse): Wrap variable `tem' in macro HAVE_cc0.
1542 * expr.c (expand_expr): Add parentheses around && within ||.
1544 * final.c (app_enable): Replace fprintf with fputs where there are
1545 no format specifiers and no trailing argument after the string.
1546 Eg, when printing ASM_APP_ON/ASM_APP_OFF.
1547 (app_disable): Likewise.
1548 (final_end_function): Likewise.
1549 (final_scan_insn): Likewise. Remove unused variable `set'.
1550 (profile_function): Wrap empty if-statement body in {} brackets.
1552 * function.c: Include stdlib.h.
1553 (pad_below): Wrap prototype and definition in ARGS_GROW_DOWNWARD.
1554 (reposition_prologue_and_epilogue_notes): Add parentheses
1555 around assignment used as truth value.
1557 * integrate.c (expand_inline_function): Wrap variable
1558 `cc0_insn' in macro HAVE_cc0.
1560 * jump.c (jump_optimize): Wrap variable `q' in macro
1561 HAVE_cc0. Remove unused variable `prev1'.
1563 * libgcc2.c (__bb_exit_trace_func): Add parentheses around &&
1564 within ||. Fix format specifier in fprintf.
1565 (__bb_init_prg): Add parentheses around assignment used as
1568 * local-alloc.c: Include stdlib.h.
1569 (requires_inout): Add parentheses around assignment used
1572 * loop.c (analyze_loop_iterations): Wrap prototype and definition
1573 in macro HAVE_decrement_and_branch_on_count.
1574 (insert_bct, instrument_loop_bct): Likewise.
1575 (move_movables): Add parentheses around assignment used as
1577 (consec_sets_invariant_p): Likewise.
1578 (maybe_eliminate_biv_1): Wrap variable `new' in macro HAVE_cc0.
1580 * objc/objc-act.c: Include stdlib.h.
1581 (lookup_method_in_protocol_list): Wrap empty else-statement body
1583 (lookup_protocol_in_reflist): Likewise.
1584 (objc_add_static_instance): Remove unused variables `decl_expr'
1586 (get_objc_string_decl): Remove unused variable `decl'.
1587 (generate_static_references): Remove unused variables `idecl' and
1589 (check_protocols): Wrap empty else-statement body in braces.
1591 * protoize.c: Include stdlib.h.
1592 (substr): Add parentheses around assignment used as truth value.
1593 (abspath): Likewise.
1594 (shortpath): Likewise.
1596 * regmove.c (fixup_match_1): Add parentheses around assignment
1597 used as truth value.
1599 * reload.c (push_secondary_reload): Remove unused variable `i'.
1600 (find_reloads): Add parentheses around assignment used as truth
1603 * reload1.c: Include stdlib.h.
1605 * rtl.h: Correct typo in prototype of offsettable_memref_p.
1607 * stmt.c (add_case_node): Add parentheses around assignment used
1609 (case_tree2list): Likewise.
1611 * tree.c (valid_machine_attribute): Wrap variable `decl_attr_list'
1612 in macro VALID_MACHINE_DECL_ATTRIBUTE. Wrap variable
1613 `type_attr_list' in macro VALID_MACHINE_TYPE_ATTRIBUTE.
1614 (merge_attributes): Add explicit braces to avoid ambiguous
1617 * unroll.c (copy_loop_body): Wrap variable `cc0_insn' in
1620 * varasm.c: Include stdlib.h.
1623 * system.h: Remove sys/stat.h.
1624 * gcc.c: Add sys/stat.h.
1626 * genattr.c: Wrap prototype of `free' in NEED_DECLARATION_FREE.
1627 * genattrtab.c: Likewise.
1628 * genconfig.c: Likewise.
1629 * genemit.c: Likewise.
1630 * genextract.c: Likewise.
1631 * genflags.c: Likewise.
1632 * genopinit.c: Likewise.
1633 * genoutput.c: Likewise.
1634 * genpeep.c: Likewise.
1635 * genrecog.c: Likewise.
1636 * tlink.c: Likewise. Also wrap `getenv' in NEED_DECLARATION_GETENV.
1638 Fri Feb 27 11:02:47 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1640 * invoke.texi: Use @itemx for a secondary item in a @table.
1642 * config/m68k/m68k.md (movsf+1): Optimize moving a CONST_DOUBLE
1645 Thu Feb 26 00:13:21 1998 Ian Lance Taylor <ian@cygnus.com>
1647 * choose-temp.c: Fix handling of sys/file.h to work in libiberty.
1649 Wed Feb 25 23:40:54 1998 Jeffrey A Law (law@cygnus.com)
1651 * i386.c (struct machine_function): Add new fields for PIC stuff.
1652 (save_386_machine_status): Fix argument to xmalloc. Save pic_label_rtx
1654 (restore_386_machine_status): Corresponding changes.
1655 (clear_386_stack_locals): Also clear pic_label_rtx and pic_label_name.
1657 Wed Feb 25 01:31:40 1998 Jeffrey A Law (law@cygnus.com)
1659 * c-parse.y (undeclared variable error): Tweak error message
1662 Tue Feb 24 23:54:07 1998 Richard Henderson <rth@cygnus.com>
1664 * flags.h (g_switch_value, g_switch_set): Declare.
1665 * alpha.c (override_options): Set g_switch_value=8 if not set.
1666 * alpha/elf.h (CC1_SPEC): New.
1668 (LINK_SPEC): Pass along the -G value we were given.
1669 (LOCAL_ASM_OP): Remove.
1670 (ASM_OUTPUT_ALIGNED_LOCAL): Output to .bss or .sbss by size.
1671 (MAX_OFILE_ALIGNMENT): New.
1672 (BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP): New.
1673 (EXTRA_SECTIONS): Add sbss and sdata.
1674 (SECTION_FUNCTION_TEMPLATE): New.
1675 (EXTRA_SECTION_FUNCTIONS): Use it.
1676 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
1677 (SELECT_SECTION): Use sdata when small enough.
1678 * alpha/linux.h (ASM_SPEC): Remove.
1681 Mon Feb 23 15:09:18 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
1682 * config.sub (sco5): Fix typo.
1684 Mon Feb 23 18:19:31 1998 Manfred Hollstein <manfred@s-direktnet.de>
1686 * config/t-linux (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Add macros and
1688 * config/t-linux-aout (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Likewise.
1689 * config/alpha/t-linux: Remove file.
1690 * config/sparc/t-linux: Remove file.
1691 * config/m68k/t-linux (LIBGCC1, CROSS_LIBGCC1): Remove.
1692 * config/m68k/t-linux-aout (LIBGCC1, CROSS_LIBGCC1): Likewise.
1693 * configure.in (alpha*-*-linux-gnulibc1*): Use t-linux instead of alpha/t-linux
1695 (alpha*-*-linux-gnu*): Likewise.
1696 (sparc-*-linux-gnulibc1*): Use t-linux instead of sparc/t-linux for tmake_file.
1697 (sparc-*-linux-gnu*): Likewise.
1699 Mon Feb 23 10:47:39 1998 Robert Lipe <robertl@dgii.com>
1700 * collect2.c (ldd_file_name): Bracket declaration with same
1702 (full_real_ld_suffix): Deleted. Variable was calloced and
1703 written into, but never read.
1705 1998-02-23 Mike Stump <mrs@wrs.com>
1707 * configure.in: Add support for i386-wrs-vxworks configuration.
1708 * i386/vxi386.h: New file.
1710 Sun Feb 22 21:16:51 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
1712 * tree.c (contains_placeholder_p): Ensure function always returns
1714 * sparc.md (movdi_sp64_insn): Add default case in enumeration switch.
1715 (movsf_const_insn, movdf_const_insn, movtf_const_insn): Likewise.
1717 Sun Feb 22 20:58:19 1998 Jeffrey A Law (law@cygnus.com)
1719 * vms.h (SELECT_SECTION): Use TREE_CODE_CLASS correctly.
1721 1998-02-22 Paul Eggert <eggert@twinsun.com>
1723 * config/sparc/sol2-sld.h (LINKER_DOES_NOT_WORK_WITH_DWARF2):
1724 Define this new symbol.
1725 (DWARF2_DEBUGGING_INFO, DWARF_DEBUGGING_INFO): Do not #undef.
1726 * toplev.c (main): Do not default to DWARF2_DEBUG with -ggdb if
1727 LINKER_DOES_NOT_WORK_WITH_DWARF2 is defined.
1729 Sun Feb 22 20:07:32 1998 Jim Wilson <wilson@cygnus.com>
1731 * iris5.h (DWARF2_UNWIND_INFO): Define to 0.
1732 * iris5gas.h (DWARF2_UNWIND_INFO): Define to 1.
1734 Sun Feb 22 15:29:48 1998 Richard Henderson <rth@cygnus.com>
1736 * objc/Object.m (-error): Call objc_verror with our va_list.
1738 Sun Feb 22 09:45:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1740 * collect2.c (scan_prog_file): Completely cover uses of variable
1741 `exports' with macro COLLECT_EXPORT_LIST.
1743 Sat Feb 21 20:36:23 1998 Jeff Law (law@cygnus.com)
1745 * version.c: Bump for snapshot.
1747 Fri Feb 20 16:22:13 1998 Michael Meissner <meissner@cygnus.com>
1749 * sched.c (schedule_block): Remove code to get arguments from hard
1750 regs into pseudos early. Same as Aug 25, 1997 change to
1753 1998-02-20 Jason Merrill <jason@yorick.cygnus.com>
1755 * collect2.c (main): Still handle !do_collecting for non-AIX targets.
1757 Fri Feb 20 10:39:47 1998 Michael Tiemann <michael@impact.tiemann.org>
1759 * ginclude/va-mips.h (va_arg): Remove trailing space after '\'
1760 continuation character (line 243).
1762 Fri Feb 20 12:10:26 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1764 * genrecog.c (main): Remove duplicated sentence in emitted comment.
1766 Thu Feb 19 22:36:53 1998 Andrey Slepuhin <pooh@msu.net>
1767 David Edelsohn <edelsohn@mhpcc.edu>
1769 * collect2.c (XCOFF_SCAN_LIBS): Remove.
1770 (export_flag): New variable.
1771 (export_file): #ifdef COLLECT_EXPORT_LIST.
1772 (import_file, exports, imports, undefined): New variables.
1773 (libs, cmdline_lib_dirs, libpath_lib_dirs, libpath, libexts): Same.
1774 (dump_list, dump_prefix_list, is_in_list): New functions.
1775 (write_export_file): $ifdef COLLECT_EXPORT_LIST.
1776 (write_import_file, resolve_lib_name): New functions.
1777 (use_import_list, ignore_library): Same.
1778 (collect_exit): maybe_unlink import_file and #ifdef.
1780 (main): New variable importf, #ifdef exportf. Move parsing of
1781 -shared before general argument parsing. Resolve AIX library
1782 paths and import libgcc.a symbols. Treat .so shared libraries the
1783 same as objects and .a libraries. Create alias for object_lst and
1784 increment it instead of original pointer. Scan AIX libraries as
1785 objects earlier instead of using scan_libraries. Perform AIX
1786 tlink later to resolve templates instead of forking ld.
1787 (GCC_OK_SYMBOL): Ensure symbol not in undef section.
1788 (GCC_UNDEF_SYMBOL): New macro.
1789 (scan_prog_file): Loop for members of AIX libraries. Handle
1790 export/import of ctors/dtors.
1791 (aix_std_libs): New variable.
1792 (scan_libraries, XCOFF): Delete.
1794 Thu Feb 19 22:36:52 1998 Robert Lipe <robertl@dgii.com>
1796 * collect2.c (full_real_ld_suffix): #ifdef CROSS_COMPILE.
1798 1998-02-19 Mike Stump <mrs@wrs.com>
1800 * Makefile.in: Use $tooldir for sys-include to match toplevel
1803 Thu Feb 19 01:32:37 1998 Jeffrey A Law (law@cygnus.com)
1804 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1806 * emit-rtl.c (gen_lowpart_common): Suppress last change if __complex__.
1808 * emit-rtl.c (hard-reg-set.h): Include.
1809 (get_lowpart_common): Don't make new REG for hard reg in a
1810 class that cannot change size.
1811 * Makefile.in (emit-rtl.o): Depend on hard-reg-set.h.
1813 * combine.c: Revert previous patch.
1815 1998-02-19 Paul Eggert <eggert@twinsun.com>
1817 * config/sparc/sol2-sld.h: New file.
1818 * configure.in (sparc-*-solaris2*): Use it when using the
1821 Thu Feb 19 00:46:59 1998 Jeffrey A Law (law@cygnus.com)
1823 * loop.c (force_movables): Fix typo.
1825 Thu Feb 19 08:26:30 1998 Manfred Hollstein <manfred@s-direktnet.de>
1827 * m88k.h: Change file pattern to match reality.
1829 Wed Feb 18 23:19:52 1998 Jeffrey A Law (law@cygnus.com)
1831 * varasm.c (output_constant_pool): Fix dumb thinko in last
1834 * pa.h (ASM_OUTPUT_FUNCTION_PREFIX): Correctly translate from
1835 a function name to a section name.
1837 1998-02-18 Doug Evans <devans@cygnus.com>
1839 * tree.h (merge_machine_{type,decl}_attributes): Declare.
1840 (split_specs_attrs, strip_attrs): Add prototypes.
1841 * tree.c (merge_machine_{type,decl}_attributes): New functions.
1842 * c-decl.c (duplicate_decls): Call merge_machine_decl_attributes.
1843 Update olddecl's attributes too.
1844 * c-common.c (strip_attrs): New function.
1845 * c-typeck.c (common_type): Call merge_machine_type_attributes.
1846 * varasm.c (make_function_rtl): New target macro REDO_SECTION_INFO_P.
1847 (make_decl_rtl): Likewise.
1849 1998-02-18 Jim Wilson <wilson@cygnus.com>
1851 * c-decl.c (shadow_tag_warned): Call split_specs_attrs.
1853 Wed Feb 18 09:09:50 1998 Jeffrey A Law (law@cygnus.com)
1855 Remove this change until we can fix it correctly.
1856 * collect2.c: Bracket declaration of 'exportf' and
1857 'full_real_ld_suffix'.
1859 Wed Feb 18 08:44:25 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
1861 * Makefile.in (STAGESTUFF): Add genrtl.c, genrtl.h and gengenrtl.
1863 Tue Feb 17 23:30:20 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
1865 * c-common.c (c_expand_start_cond, c_expand_end_cond,
1866 c_expand_start_else): Don't warn about non-ambiguous else even if
1869 Tue Feb 17 23:56:50 1998 Robert Lipe <robertl@dgii.com>
1871 * sco5.h (ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT,
1872 ASM_OUTPUT_LONG_DOUBLE): Delete. Use the ones from i386.h
1875 Tue Feb 17 22:56:14 1998 Richard Henderson <rth@cygnus.com>
1877 * combine.c (simplify_rtx): Obey CLASS_CANNOT_CHANGE_SIZE when
1878 simplifying a subreg of a hard reg.
1879 (expand_compound_operation): Likewise.
1880 (force_to_mode): Likewise.
1882 Tue Feb 17 22:37:22 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1884 * fold-const.c: Include "system.h" to get stdlib.h and stdio.h.
1885 (lshift_double): Add parentheses around + or - inside shift.
1886 (rshift_double): Likewise.
1887 (size_int_wide): Explicitly set type of `bit_p' to `int'.
1889 * Makefile.in (fold-const.o): Depend on system.h.
1891 * Makefile.in (gcc.o): Depend on system.h, in accordance with last
1894 * haifa-sched.c: Include "system.h" to get <stdlib.h> and <stdio.h>.
1895 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
1896 (sched_note_set): Remove unused parameter `b', all callers changed.
1897 (schedule_block): Likewise for `rgn'.
1898 (split_hard_reg_notes): Likewise for `orig_insn'.
1899 (check_live): Likewise for `trg'.
1900 (update_live): Likewise.
1901 (check_live_1): Explcitly declare variable `i' as int.
1902 (update_live_1): Likewise.
1903 (insn_issue_delay): Remove unused variable `link'.
1904 (sched_analyze_2): Add default case in enumeration switch.
1905 (schedule_insns): Remove unused variable `i'.
1907 * Makefile.in ($(SCHED_PREFIX)sched.o): Depend on system.h.
1909 Tue Feb 17 22:31:04 1998 Jeffrey A Law (law@cygnus.com)
1911 * loop.c (rtx_equal_for_loop_p): Add some braces to disambiguate
1912 a dangling else clause.
1914 Tue Feb 17 21:28:12 1998 Gavin Koch <gavin@cygnus.com>
1916 * mips/mips.h (CAN_ELIMINATE): Don't eliminate the frame
1917 pointer for the stack pointer in MIPS16 and 64BIT.
1919 Tue Feb 17 21:17:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1921 * rtl.h (force_line_numbers, restore_line_number_status): Declare.
1922 * emit-rtl.c (force_line_numbers, restore_line_number_status):
1924 * stmt.c (struct nesting): Replace seenlabel with line_number_status.
1925 (expand_start_case): Adjust to this change.
1926 (check_seenlabel): New function.
1927 (pushcase, pushcase_range, expand_endcase): Use it.
1929 Tue Feb 17 10:14:32 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1931 * i386.md (adddi3): Add =!r,0,0,X alternative.
1933 Mon Feb 16 16:13:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
1935 * rs6000.h (MY_ISCOFF): Add numeric value of U803XTOCMAGIC.
1936 * x-aix31 (INSTALL): Delete.
1938 Mon Feb 16 09:24:32 1998 Gavin Koch <gavin@cygnus.com>
1940 * mips/mips.c (mips_expand_epilogue): Update tsize_rtx if
1941 tsize changes to something other than zero.
1943 Mon Feb 16 09:11:48 1998 Gavin Koch <gavin@cygnus.com>
1945 * ginclude/va-mips.h: Replace casts of pointers to int with
1946 casts of pointers to __PTRDIFF_TYPE__.
1948 Mon Feb 16 08:17:14 1998 John Carr <jfc@mit.edu>
1950 * loop.c (strength_reduce, record_biv, record_giv): Use
1951 HOST_WIDE_INT_PRINT_DEC to print CONST_INT values.
1953 1998-02-16 Jason Merrill <jason@yorick.cygnus.com>
1955 * tree.c (first_rtl_op): New fn.
1956 (unsave_expr_now): Use it.
1957 * print-tree.c (print_node): Likewise.
1958 * tree.c (has_cleanups): New fn.
1959 * fold-const.c (fold, case CLEANUP_POINT_EXPR): Use it. Be more
1960 conservative about pushing the cleanup point down.
1961 * tree.h: Declare them.
1963 Sun Feb 15 23:28:44 1998 Jeffrey A Law (law@cygnus.com)
1965 * toplev.c (flag_schedule_reverse_before_reload): Delete variable.
1966 (flag_schedule_reverse_after_reload): Likewise.
1967 (f_options): Remove reverse scheduling support.
1968 * flags.h (flag_schedule_reverse_before_reload): Delete declaration.
1969 (flag_schedule_reverse_after_reload): Likewise.
1970 * haifa-sched.c (rank_for_schedule): Remove support for reverse
1973 Sun Feb 15 21:33:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1975 * gcc.c: Get system includes, prototypes and macros via "system.h"
1976 instead of doing it manually. Change all calls of the ctype
1977 macros to custom versions defined in "system.h".
1979 * system.h: Fix return type of bcmp prototype from `void' to `int'.
1980 Make bcopy, bcmp and bzero prototypes explicitly `extern'.
1981 Add a prototype for getenv.
1983 Sun Feb 15 17:05:41 1998 Jim Wilson <wilson@cygnus.com>
1985 * mips/mips.h (INITIAL_ELIMINATION_OFFSET): Readd Jun 6 change.
1987 Sun Feb 15 15:23:15 1998 John Carr <jfc@mit.edu>
1989 * alias.c: Include <stdlib.h> and <string.h>.
1990 (init_alias_analysis): Pass NULL_RTX instead of 0 to record_set.
1992 Sat Feb 14 11:23:09 PST 1998 Jeff Law (law@cygnus.com)
1994 * version.c: Bump for snapshot.
1996 Sat Feb 14 05:08:21 1998 Richard Earnshaw (rearnsha@arm.com)
1998 * arm.md (movsfcc): Also validate operands[3] when compiling hard
2000 (movdfcc): Only accept fpu_add_operand for operands[3].
2002 * arm/t-semi (STMP_FIXPROTO): Define to nothing.
2003 * arm/t-semiaof (STMP_FIXPROTO): Likewise.
2005 Sat Feb 14 02:02:41 1998 Jeffrey A Law (law@cygnus.com)
2007 * varasm.c (output_constant_pool): Bring back 'done' label inside
2008 an appropriate #ifdef.
2010 * bitmap.c (bitmap_element_allocate): Wrap variable 'i' in an
2012 (bitmap_copy, bitmap_operation): Likewise.
2013 * combine.c (combinable_i3pat): Similarly for 'src'.
2014 * function.c (fixup_var_refs_1): Similarly for 'outerdest'.
2015 (locate_and_pad_parm): Similarly for 'reg_parm_stack_space'.
2016 * regclass.c (copy_cost): Similarly for 'secondary_class'.
2017 * reload.c (make_memloc): Simliarly for 'i'.
2018 (find_reloads_address_1): Similarly for 'link'.
2019 * reload1.c (reload): Similarly for 'previous_frame_pointer_needed'.
2020 (emit_reload_insns): Similarly for 'second_reloadreg'.
2021 * unroll.c (iteration_info): Similarly for 'v'.
2023 * caller-save.c (insert_save_restore): Remove unused variable 'i'.
2024 * calls.c (expand_call): Similarly for 'i'.
2025 (emit_library_call, emit_library_call_value): Similarly for 'mode'.
2026 * fold-const.c (strip_compund_expr): Similarly for 'type'.
2027 * function.c (fixup_var_refs_1): Similarly for 'width'.
2028 (fixup_memory_subreg): Similarly for 'saved'.
2029 (locate_and_pad_parm): Similarly for 'boundary_in_bytes.'
2030 (setjmp_protect): Similarly for 'sub'.
2031 (thread_prologue_and_epilogue_insns): Similarly for 'insn'.
2032 * loop.c (record_giv): Similarly for 'p'.
2033 (combine_givs): Similarly for 'temp_iv'.
2034 (indirect_jump_in_function_p): Similarly for 'is_indirect_jump'.
2035 * recog.c (validate_replace_rtx_1): Similarly for 'width'.
2036 * tree.c (get_set_constructor_bytes): Similarly for 'vals'.
2037 * unroll.c (unroll_loop): Similarly for 'copy'.
2038 (iteration_info): Similarly for 'b'.
2039 * varasm.c (assemble_string): Similarly for 'i'.
2040 * i386.h (LEGITIMIZE_ADDRESS): Similarly for 'orig_x'.
2042 Fri Feb 13 14:38:34 1998 Jim Wilson <wilson@cygnus.com>
2044 * dwarf2out.c (decl_scope_node): New type.
2045 (decl_scope_table): Change type to use it.
2046 (decl_scope_table_allocated, decl_scope_depth): Change type to int.
2047 (push_decl_scope): Use new type. New locals containing_scope, i.
2048 Add code to handle setting previous field.
2049 (scope_die_for): Change type of local i to int. Add code to use
2051 (dwarf2out_init): Use new type.
2053 1998-02-13 Jason Merrill <jason@yorick.cygnus.com>
2055 * except.c (emit_throw): Lose throw_used.
2057 Fri Feb 13 20:36:05 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2059 * sched.c (update_flow_info, REG_WAS_0): Ignore if setting insn
2061 * haifa-sched.c (update_flow_info, REG_WAS_0): Likewise.
2063 Fri Feb 13 12:18:40 1998 Jeffrey A Law (law@cygnus.com)
2065 * genextract.c (main): Fix typo.
2067 Fri Feb 13 08:41:49 1998 Robert Lipe <robertl@dgii.com>
2069 * c-lang.c (finish_file): Bracket declaration of static_ctors,
2072 * calls.c (expand_call): Bracket declaration of 'rtx_before_call',
2073 'old_stack_arg_under_construction'
2074 (emit_library_call): Bracket declaration of 'upper_bound',
2075 'lower_bound', 'i', 'reg_parm_stack_space'
2076 (emit_library_call_value): Likewise.
2079 * collect2.c: include <unistd.h> when appropriate.
2080 Bracket declaration of 'exportf' and 'full_real_ld_suffix'.
2082 * emit-rtl.c (prev_cc0_setter): Remove unused variable 'link'.
2084 * explow.c (plus_constant_for_output_wide): Remove unused variable
2086 (memory_address): Remove unused variable 'orig_x'.
2088 * genattrtab.c (make_canonical): Remove unreferenced label 'cond:'.
2089 (write_const_num_delay_slots): Remove unused variable 'i'.
2091 * genopinit.c (main): Remove unused variables 'dummy', 'insn_ptr'.
2092 (gen_insn): Remove unused variable 'obstack_ptr'.
2094 * libgcc2.c (__bb_exit_func): Remove unused variables 'ret',
2096 (__bb_exit_trace_func): Remove unused variable 'e'.
2098 * optabs.c (expand_binop): remove unused variables 'lhs', 'rhs',
2100 (expand_unop): Remove unused variable 'funexp'.
2101 (expand_complex_abs): Remove unused variable 'funexp'.
2102 (init_optabs): Bracket declaration of 'j'.
2103 (init_complex_libfuncs): Deleted. Dead static function.
2105 * profile.c (branch_prob): Remove unused variables 'insn', 'dest'.
2107 * reg-stack.c: Fix typo in proto for 'get_asm_operand_lengths'
2108 (reg_to_stack): 'initialized', 'before_function_beg'
2109 explictly type as ints instead of defaulting.
2110 (emit_swap_insn): Remove unused variable 'i2'.
2111 (compare_for_stack_reg): Remove unused variable 'src_note'.
2113 * rtlanal.c (computed_jump_p): Remove unused variable 'computed_jump'.
2115 * sched.c (actual_hazard): Bracket declaration of 'this_cost'.
2117 * stmt.c (add_case_node): Add parens for assignment used as truth.
2118 (all_cases_count): Remove unused variable 'count_high'.
2119 (mark_seen_cases): Remove unused variable 'i'.
2120 (check_for_full_enumeration_handling): Remove unused variable 't'.
2121 Bracket declaration of 'all_values', 'l'.
2123 * tlink.c: Include <stdlib.h>, <unistd.h>, <string.h>/<strings.h>.
2125 * varasm.c (assemble_string): Remove unused variable 'i'.
2126 (immed_double_const): Remove unused variable 'in_current_obstack'.
2127 (immed_real_const_1): Likewise.
2128 (output_constant_pool): Remove unreferenced label 'done'.
2129 (output_constant): Remove unused variable 'x'.
2131 * i386/i386.h (ENCODE_SECTION_INFO): TREE_PUBLIC is an int, not
2134 * i386/sco5.h (ASM_OUTPUT_ASCII): Add parens for assignment used
2137 Fri Feb 13 10:21:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2139 * combine.c (can_combine_p): Handle USEs in PARALLELs.
2141 Fri Feb 13 01:34:14 1998 H.J. Lu (hjl@gnu.org)
2143 * config/linux.h (LIB_SPEC): Add -lc for -shared if
2144 USE_GNULIBC_1 is not defined.
2145 * config/sparc/linux.h; Ditto.
2147 * config/sparc/linux64.h (LIB_SPEC): Add -lc for -shared.
2149 * config/alpha/linux-elf.h (LIB_SPEC): New. Defined if
2150 USE_GNULIBC_1 is not defined.
2152 Fri Feb 13 01:29:29 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
2154 * rs6000/sysv4.h (ENDFILE_SPEC): add missing %(endfile_linux)
2157 Fri Feb 13 01:23:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2159 * system.h: New file to get common systems includes and various
2160 definitions and declarations based on autoconf macros.
2162 Fri Feb 13 00:46:19 1998 Jeffrey A Law (law@cygnus.com)
2164 * cccp.c (new_include_prefix): Correctly handle -I./.
2166 Thu Feb 12 20:16:35 1998 Michael Meissner <meissner@cygnus.com>
2168 * rs6000.md: Replace gen_rtx (CONST_INT,...) with GEN_INT.
2170 Thu Feb 12 16:45:17 1998 Robert Lipe <robertl@dgii.com>
2172 * expr.c (expand_assignment): Correct typo exposed by -Wall.
2173 offset should have been a truth value, not an assignment.
2175 Thu Feb 12 15:26:50 1998 Jeffrey A Law (law@cygnus.com)
2177 * cse.c (delete_dead_from_cse): If a libcall produces a constant
2178 result and that result can be substituted into SET_SRC of the
2179 insn with the REG_RETVAL note, then perform the substitution
2180 and delete the libcall.
2182 Thu Feb 12 14:04:09 1998 Gavin Koch <gavin@cygnus.com>
2184 * mips.md (trucndihi2,truncdiqi2): Change these to support
2187 Thu Feb 12 11:34:55 1998 Gavin Koch <gavin@cygnus.com>
2189 * mips/mips.c (movdi_operand): Direct referances to symbols
2190 that arn't mips16 consts in mips16 mode arn't valid operands.
2192 * mips/mips.c (mips_move_2words): Add gprel handling.
2194 Thu Feb 12 11:18:37 1998 Gavin Koch <gavin@cygnus.com>
2196 * mips.md (extendsidi2): Allow extension to/from a non-mips16
2199 Thu Feb 12 00:04:16 1998 Marc Lehmann <pcg@goof.com>
2201 * i386.c: Conditionally include <stdlib.h>, <string.h>, and
2204 Wed Feb 11 11:43:34 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2206 * Makefile.in (WARN_CFLAGS): New variable.
2207 (bootstrap, bootstrap2, bootstrap3, bootstrap4): Use it.
2209 1998-02-11 Mark Mitchell <mmitchell@usa.net>
2211 * config/i386/i386.c (reg_mentioned_in_mem): Don't abort when
2212 falling through default case in switch.
2213 (i386_aligned_p): Likewise.
2215 Wed Feb 11 12:59:56 1998 Lee Iverson <leei@Canada.AI.SRI.COM>
2217 * mips/mips.h (mips_abi_string): Correct typo in comment.
2219 Wed Feb 11 08:29:56 1998 Gavin Koch <gavin@cygnus.com>
2221 * mips/mips.md (movdi): These PLUS's need to be Pmode.
2223 Wed Feb 11 01:47:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2225 * Makefile.in (dwarf2out.o, emit-rtl.o, jump.o, cse.o, unroll.o,
2226 reorg.o, regmove.o): Depend on insn-codes.h, it gets included
2227 indirectly via expr.h.
2229 Wed Feb 11 01:44:13 1998 Richard Henderson <rth@cygnus.com>
2231 * stor-layout.c (layout_type): Do upper - lower in the native type,
2232 so as to properly handle negative indices.
2234 Wed Feb 11 01:35:55 1998 Robert Lipe <robertl@dgii.com>
2236 * except.c (start_dynamic_cleanup): Remove unused variable 'dhc'.
2237 (expand_eh_region_start_tree): Remove unused variable 'note'.
2238 (exception_optimize): Remove unused variable 'regions'.
2239 (expand_builtin_eh_stub): Remove unused variable 'temp'.
2240 (copy_eh_entry): Deleted. Dead function.
2242 * expr.c (move_block_to_reg) Bracket declaration of 'pat' and
2243 'last' with same #if HAVE_load_multiple as use of it.
2244 (move_block_from_reg): Likewise.
2245 (emit_move_insn_1): Remove unused variable 'insns'.
2246 (store_constructor): Bracket declaration of startb, endb with
2247 #if TARGET_MEMFUNCTIONS. Remove unused variables 'set_word_size'
2248 'target', and 'xtarget'.
2249 (expand_builtin_setjmp): Remove unused variables 'op0',
2250 'next_arg_reg', 'old_inhibit_defer_pop'.
2251 (expand_builtin): Remove unused variable 'offset'.
2252 (do_store_flag): Remove unused variables 'pattern', 'jump_pat'.
2253 (emit_queue): Add parens for assignment used as conditional.
2254 (expand_expr): case TARGET_EXPR: Remove unused variable 'temp'.
2256 Wed Feb 11 01:30:49 1998 Marc Lehmann <pcg@goof.com>
2258 * i386.c: Added include for recog.h.
2259 (override_options): Removed unused variable p. Initialized regno to
2261 (order_regs_for_local_alloc): Initialized regno to avoid warning.
2262 (legitimize_address): Likewise for 'other'.
2263 (i386_aligned_reg_p): Added default case with abort ().
2264 (print_operand): Likewise.
2265 (reg_mentioned_in_mem): Likewise.
2266 (ix86_expand_binary_operator): Removed unused variables i & insn.
2267 (ix86_expand_unary_operator): Removed unused variable insn.
2268 (output_fp_cc0_set): Removed unused variable unordered_label.
2270 Wed Feb 11 01:23:03 1998 John F. Carr <jfc@mit.edu>
2272 * i386.c, i386.h, i386.md: Change gen_rtx (X, ...) to gen_rtx_X (...).
2273 Use GEN_INT instead of gen_rtx (CONST_INT). Make printf arguments
2274 and format string match.
2276 Wed Feb 11 01:17:39 1998 Jeffrey A Law (law@cygnus.com)
2278 * flow.c (life_analysis): Do not conside the stack pointer live at
2279 the end of a function if the fucntio ncalls alloca.
2280 (mark_used_regs): Similarly.
2282 1998-02-10 John F Carr <jfc@mit.edu>
2284 * config/sparc/sparc.md (movdi_v8plus): Output stx on alternative
2285 1, fzero on alternative 8.
2287 Tue Feb 10 09:02:19 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2289 * rs6000.c (setup_incoming_varargs): Always set rs6000_sysv_varargs_p.
2291 Tue Feb 10 03:35:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2293 * reload.c (find_reloads_toplev): Handle arbitrary non-paradoxical
2294 SUBREGs of CONST_INTs.
2296 Mon Feb 9 17:52:36 1998 John Carr <jfc@mit.edu>
2298 * mips.c (print_operand, function_prologue): Make printf format
2299 match argument type.
2301 Mon Feb 9 02:37:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2303 * alpha.c (alpha_return_addr): Remove unused variable `first'.
2304 (alpha_ra_ever_killed): Remove unused variables `ra' and `i'.
2305 (output_epilog): Remove unused variable `frame_size_from_reg_save'.
2307 Sun Feb 8 14:56:03 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2309 * loop.c (strength_reduce): When placing increment for auto-inc
2310 case, do comparison in loop order.
2312 Sun Feb 8 13:21:38 1998 John Carr <jfc@mit.edu>
2314 * bitmap.c (bitmap_debug_file): HOST_PTR_PRINTF converts a pointer,
2315 not a HOST_WIDE_INT.
2317 * calls.c (expand_call): Change test of expand_inline_function
2318 return value to stop compiler warning.
2320 * genattrtab.c (RTL_HASH): Cast pointer to long, not HOST_WIDE_INT.
2322 Sun Feb 8 12:04:24 1998 Jim Wilson (wilson@cygnus.com)
2323 Jeff Law (law@cygnus.com)
2325 * regmove.c: Fix various minor formatting problems.
2326 (optimize_reg_copy_1): Stop search at CALL_INSNs if flag_exceptions
2327 is true. Make end of basic block tests consistent through regmove.c.
2328 (optimize_reg_copy_2, optimize_reg_copy_3): Likewise.
2329 (fixup_match_2, fixup_match_1, regmove_optimize): Likewise.
2331 Sun Feb 8 01:49:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2333 * gansidecl.h: Check for a conflicting macro definition before
2334 attempting to prototype bcopy, bcmp or bzero.
2336 Sun Feb 8 00:09:59 1998 Jeffrey A Law (law@cygnus.com)
2338 * expr.c (clear_pending_stack_adjust): Handle case where a function
2339 calls alloca, but the user has specified -fomit-fframe-pointer.
2341 * function.c (assign_parms): Fix typo in last change.
2343 Sat Feb 7 23:54:29 1998 Robert Lipe <robertl@dgii.com>
2345 * gcc.c: Include <strings.h>/<string.h>, <stdlib.h>, <unistd.h>,
2347 (free_path_suffix): Remove unreferenced static function.
2348 (process_command): Remove unused variable temp.
2349 (default_arg): Remove unused variable i.
2350 (do_spec_1): Add parens for assignment used as truth value.
2352 (validate_all_switches): Likewise.
2353 (main): Remove unused variables i, first_time>
2355 * c-common.c: Include <stdlib.h> and <string.h>/<strings.h>.
2357 * calls.c (expand_call): Remove unused variables funtree,
2358 n_regs, and tmpmode.
2360 * dbxout.c, except.c: Include <string.h>/<strings.h>.
2362 * explow.c: (plus_constant_for_output_wide) Removed unused
2363 variable all_constant.
2365 * c-decl.c, genattr.c, genattrtab.c, getconfig.c, genemit.c
2366 genextract.c, genflags.c, genopinit.c genoutput.c, genpeep.c,
2367 genrecog.c, global.c, integrate.c , stupid.c : Include
2370 * genextract.c: (walk_rtx) Remove unused variable link.
2372 * genrecog.c: (concat) Remove unreferenced static function.
2374 * prefix.c: Include <string.h>/<strings.h>, <stdlib.h>
2376 * stmt.c: Include <stdlib.h>.
2377 (expand_asm_operands): Remove unused variable val1.
2378 (expand_return): Remove unused variable block.
2379 (pushcase): Remove unused variables l and n.
2380 (pushcaserange): Likewise.
2382 * unroll.c (unroll_loop): Remove unused variable temp.
2384 Sat Feb 7 23:46:09 1998 Greg McGary <gkm@gnu.org>
2386 * c-decl.c (pushdecl): Set DECL_ORIGINAL_TYPE once only.
2388 Sat Feb 7 15:11:28 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2390 * aclocal.m4 (GCC_FUNC_PRINTF_PTR): New macro to test the printf
2391 functions for whether they support the %p format specifier.
2392 * acconfig.h (HOST_PTR_PRINTF): Insert stub for autoconf.
2393 * configure.in (GCC_FUNC_PRINTF_PTR): Use it.
2394 * configure, config.in: Rebuild.
2396 Fri Feb 6 14:20:16 1998 Jim Wilson <wilson@cygnus.com>
2398 * function.c (assign_parms): New variable named_arg, with value
2399 depending on STRICT_ARGUMENT_NAMING. Use instead of ! last_named.
2401 Fri Feb 6 14:34:28 1998 Gavin Koch <gavin@cygnus.com>
2403 * mips/t-r3900: New - same as t-ecoff but eliminate
2404 multilibs: mips1 and mips3.
2405 * configure.in (tx39*): Use new mips/t-r3900.
2406 * configure: Rebuild.
2407 * mips/r3900.h (MULTILIB_DEFAULTS): Eliminate mips1.
2409 1998-02-06 Jason Merrill <jason@yorick.cygnus.com>
2411 * dwarf2out.c: Add old_args_size.
2412 (dwarf2out_args_size): Use it.
2413 (dwarf2out_begin_prologue): Initialize it.
2414 (dwarf2out_stack_adjust): If !asynchronous_exceptions, save up
2415 pushed args until we see a call.
2416 * final.c (final_scan_insn): Hand CALL_INSNs off to the dwarf2 code
2417 before outputting them.
2419 1998-02-06 Kriang Lerdsuwanakij <lerdsuwa@scf.usc.edu>
2421 * cplus-dem.c (demangle_template_template_parm): New function.
2422 (demangle_template): Handle template template parameters.
2424 1998-02-02 Mark Mitchell <mmitchell@usa.net>
2426 * calls.c (expand_call): Don't confuse member functions named
2427 realloc, setjmp, and so forth with the standard library
2428 functions of the same names.
2430 Thu Feb 5 21:59:49 1998 Jeffrey A Law (law@cygnus.com)
2432 * stmt.c (expand_asm_operands): Correctly identify asm statements
2435 Thu Feb 5 21:56:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
2437 * c-common.c (decl_attributes): Flag unrecognized attribute
2438 functions as warnings instead of as errors.
2440 1998-02-05 Marc Lehmann <pcg@goof.com>
2442 * integrate.c (INTEGRATE_THRESHOLD): Inline only small functions
2443 when -Os is specified.
2444 * toplev.c (main): Don't disable flag_inline_functions anymore when
2447 Fri Feb 6 00:27:36 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2449 * regmove.c: Update.
2450 * flags.h (flag_regmove): Declare.
2451 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Don't declare.
2452 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2):
2453 Moved into regmove; changed caller.
2454 * toplev.c (rest_of_compilation): Call regmove_optimize also for
2455 expensive_optimizations.
2457 Thu Feb 5 13:38:42 PST 1998 Jeff Law (law@cygnus.com)
2459 * version.c: Bump for snapshot.
2461 Thu Feb 5 01:45:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2462 Undo this change (the problem was actually in reload):
2463 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2465 * sh.md (movqi_i+1): New peephole.
2467 Tue Feb 3 01:11:12 1998 Jeffrey A Law (law@cygnus.com)
2469 * jump.c (jump_optimize): Lose calls to modified_in_p they are
2470 not needed anymore due to changes elsewhere in jump.c.
2472 * jump.c (jump_optimize): Fix first arg to modified_in_p in
2475 Mon Feb 2 19:18:14 1998 Richard Henderson <rth@cygnus.com>
2477 * expr.c (expand_builtin_setjmp): Accept two new arguments for
2478 the labels to branch to on first and subsequent executions. Don't
2479 play with __dummy. Rename `setjmp' insn to `builtin_setjmp_setup',
2480 and provide it with the jmp_buf. Use only one of
2481 `builtin_setjmp_receiver' or `nonlocal_goto_receiver',
2482 and provide the former with the target label.
2483 (expand_builtin) [BUILTIN_SETJMP]: Generate a label for use by setjmp.
2484 (expand_builtin) [BUILTIN_LONGJMP]: Split out to ...
2485 (expand_builtin_longjmp): ... here. Recognize a `builtin_longjmp'
2486 insn to replace all of the normal nonlocal_goto code. Don't play
2487 with __dummy. Correct arguments to nonlocal_goto.
2488 * expr.h (expand_builtin_setjmp): Update prototype.
2489 * except.c (start_dynamic_handler): When using builtin_setjmp,
2490 generate more accurate flow information.
2492 * alpha.md (nonlocal_goto_receiver_osf): Delete.
2493 (nonlocal_goto_receiver_vms): Rename to nonlocal_goto_receiver.
2494 (builtin_longjmp, builtin_setjmp_receiver): New.
2495 * sparc.md (update_return): Disambiguate unspec number.
2496 (nonlocal_goto): Rearrange arguments to match caller in except.c.
2497 (builtin_setjmp_setup): Rename from setjmp. Match and ignore the
2499 * mips.md (nonlocal_goto_receiver, builtin_setjmp_receiver): Remove.
2500 (builtin_setjmp_setup*, builtin_longjmp): New.
2502 Mon Feb 2 16:43:10 1998 John Carr <jfc@mit.edu>
2504 * mips.md: Change gen_rtx (CONST_INT) to GEN_INT.
2506 Mon Feb 2 13:06:47 1998 Jim Wilson <wilson@cygnus.com>
2508 * vmsconfig.com: Remove bytecode references.
2510 1998-01-30 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2512 * dwarf2out.c (dwarf2out_frame_init): Undo last change, so that
2513 -fno-sjlj-exceptions works for a target that defines
2514 DWARF2_UNWIND_INFO as zero.
2516 * regmove.c (fixup_match_1): Undo last change which removed some
2517 "useless" code, and add a comment explaining this.
2519 Mon Feb 2 10:47:14 1998 Gavin Koch (gavin@cygnus.com)
2521 * mips.c (mips_expand_prologue): Change uses of TARGET_64BIT
2524 Mon Feb 2 10:38:41 1998 Klaus Kaempf <kkaempf@progis.de>
2526 * makefile.vms: Remove bytecode references.
2527 Create genrtl files.
2529 Mon Feb 2 02:08:04 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
2531 * jump.c (jump_optimize): Allow conditional loading of floating point
2532 constants and constants from memory. Reinstalled modified_in_p tests.
2534 Mon Feb 2 01:38:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2536 * loop.c (get_condition): Handle sign-extended constants.
2538 Mon Feb 2 01:22:46 1998 Hans-Peter Nilsson <hp@axis.se>
2540 * expr.c (emit_push_insn): Add code to use movstrti if present.
2542 * expr.c (emit_push_insn): Use same max-move-amount for movstrhi
2543 and movstrqi as in emit_block_move ().
2545 Mon Feb 2 00:09:52 1998 Toon Moene <toon@moene.indiv.nluug.nl>
2547 * config/m68k/x-next: Remove /NextDeveloper/Headers from
2548 the directories to fixinclude - /usr/include is a link
2549 to it and hence its contents are fixed by default.
2551 Sun Feb 1 14:15:33 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
2553 * rs6000/linux.h: define JUMP_TABLES_IN_TEXT_SECTION
2555 Sun Feb 1 13:01:15 1998 Klaus Kaempf <kkaempf@progis.de>
2557 * cccp.c (main): Predefine __VMS_VER on VMS.
2559 Sun Feb 1 12:39:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2561 * expr.c (get_inner_reference): Use sbitsizetype for type sizes.
2562 * fold-const.c (size_int): Replace with
2564 (make_bit_field_ref): Use bitsize_int for bit position.
2565 * stor-layout.c (sizetype): Delete.
2566 (sizetype_tab, sbitsizetype, ubitsizetype): Declare.
2567 (layout_record, layout_union, layout_type):
2568 Use bitsize_int for bit size.
2569 (set_sizetype): New function.
2570 (make_signed_type, make_unsigned_type): Use it.
2571 * c-decl.c (init_decl_processing): Likewise.
2572 * tree.h (size_int): Don't delcare, #define.
2573 (size_int_wide, sizetype_tab, sbitsize, ubitsize): Declare.
2574 (set_sizetype): Declare.
2575 (bitsize_int, size_int_2, BITS_PER_UNIT_LOG, sizetype, bitsizetype):
2577 * c-typeck.c (c_sizeof, c_sizeof_nowarn, c_size_in_bytes):
2578 Convert result to sizetype.
2579 (really_start_incremental_init, push_init_level):
2580 Set type of constructor_bit_index to sbitsizetype.
2581 (push_init_level): Use unsigned arithmetic to determine padding.
2582 (output_init_element): Likewise.
2584 Sun Feb 1 03:32:07 1998 Jeffrey A Law (law@cygnus.com)
2586 * combine.c (simplify_shift_const): Fix typo in last change.
2588 Sun Feb 1 02:50:46 1998 John Carr <jfc@mit.edu>
2590 * combine.c (simplify_shift_const): (lshiftrt (truncate (lshiftrt)))
2591 is (truncate (lshiftrt)).
2593 Sun Feb 1 01:06:53 1998 Richard Henderson <rth@cygnus.com>
2595 * alpha.c (alpha_expand_unaligned_load): Use expand_binop properly.
2596 Make sure result winds up in TGT.
2597 (alpha_expand_unaligned_store): Use expand_binop properly. Allow
2598 src to be other than DImode.
2599 (alpha_expand_unaligned_load_words): Tidy. Take an offset argument.
2600 (alpha_expand_unaligned_store_words): Likewise.
2601 (alpha_expand_block_move): Use REGNO_POINTER_ALIGN. Restructure so
2602 that source and destination are separately optimized for alignment.
2603 (alpha_expand_block_clear): Use REGNO_POINTER_ALIGN.
2605 Sun Feb 1 01:55:09 1998 Jeffrey A Law (law@cygnus.com)
2607 * mips.md (adddi3_internal_2): Be consistent with adddi3 expander
2608 with handling of -32768.
2610 Sun Feb 1 01:48:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2612 * aclocal.m4 (GCC_NEED_DECLARATION): Modify macro to accept a
2613 shell variable argument instead of only hard coded functions.
2614 (GCC_NEED_DECLARATIONS): New macro to accept multiple functions.
2616 * configure.in: Collapse multiple calls to AC_CHECK_FUNCS into one
2617 call. Collapse multiple calls to GCC_NEED_DECLARATION into one
2618 call to GCC_NEED_DECLARATIONS (new macro.) Check if we need
2619 declarations for bcopy, bcmp and bzero.
2621 * acconfig.h: Add stubs for bcopy, bcmp and bzero declarations.
2623 * gansidecl.h: If we have bcopy but don't declare it, then do so.
2624 Likewise for bcmp and bzero. Only define macros for bcopy, bcmp,
2625 bzero, index and rindex if they aren't already present.
2627 Sat Jan 31 11:26:58 1998 Jeffrey A Law (law@cygnus.com)
2629 * toplev.c (close_dump_file): Wrap function prototype for
2630 argument "func" in PROTO.
2631 (dump_rtl): Likewise.
2633 Fri Jan 30 22:30:39 1998 John Carr <jfc@mit.edu>
2635 * sparc.c (sparc_override_options): Make v8plus and ultrasparc set
2637 (output_function_epilogue): Omit epilogue if nothing drops through.
2638 (output_move_double): Supress int ldd usage on ultrasparc and v9.
2639 (registers_ok_for_ldd_peep): Likewise.
2640 (print_operand): Supress b,a on ultrasparc. Let Y accept a constant.
2641 (ultrasparc_adjust_cost): New function.
2642 (sparc_issue_rate): New function.
2643 * sparc.h (MASK_VIS, TARGET_VIS): New
2644 (MASK_V8PLUS, TARGET_V8PLUS): New.
2645 (TARGET_HARD_MUL32, TARGET_HARD_MUL): New.
2646 (TARGET_SWITCHES): Add vis and v8plus.
2647 (REG_CLASS_FROM_LETTER): Accept d and b for VIS.
2648 (REGISTER_MOVE_COST): FP<->INT move cost 12 for ultrasparc.
2649 (RTX_COSTS): Use TARGET_HARD_MUL
2650 (ADJUST_COST): Call ultrasparc_adjust_cost.
2652 * sparc.md (attr type): Add sload, fpmove, fpcmove. Adjust users
2653 of load & fp appropritely.
2654 (supersparc function units): Adjust for Haifa.
2655 (ultrasparc function units): Likewise.
2656 (get_pc_via_rdpc): All v9, not just arch64.
2657 (movdi_v8plus, movdi_v8plus+1): New.
2658 (adddi3_sp32+1): New.
2659 (subdi3_sp32+1): New.
2660 (movsi_insn, movsf_const_insn, movdf_const_insn): Know VIS.
2661 (addsi3, subsi3, anddi3_sp32, andsi3, and_not_di_sp32): Likewise.
2662 (and_not_si, iordi3_sp32, iorsi3, or_not_di_sp32, or_not_si): Likewise.
2663 (xorsi3_sp32, xorsi3, xor_not_di_sp32, xor_not_si): Likewise.
2664 (one_cmpldi2_sp32, one_cmplsi2): Likewise.
2665 (ldd peepholes): Suppress for v9.
2666 (return_adddi): Kill redundant test. Arg1 may be arith_operand.
2667 (return_subsi): Revmove.
2669 Fri Jan 30 18:30:03 1998 John F Carr <jfc@mit.edu>
2671 * mips.c (save_restore_insns): Set RTX_UNCHANGING_P in register
2672 save/restore MEM rtl.
2674 Fri Jan 30 09:08:16 1998 Jeffrey A Law (law@cygnus.com)
2676 * configure.in: Check for declaration of abort.
2677 * acconfig.h: Corresponding changes.
2678 * toplev.c: Use NEED_DECLARATION_ABORT to determine if abort should
2681 Thu Jan 29 20:26:12 1998 Jeffrey A Law (law@cygnus.com)
2683 * genattrtab.c (optimize): Define in case PRESERVE_DEATH_INFO_REGNO_P
2686 Thu Jan 29 09:27:56 PST 1998 Jeff Law (law@cygnus.com)
2688 * version.c: Bump for snapshot.
2690 Thu Jan 29 10:12:27 1998 Jeffrey A Law (law@cygnus.com)
2692 * configure.in: Check for atoq and atoll.
2693 * rtl.c (read_rtx): Use HAVE_ATOLL and HAVE_ATOQ to select the
2694 proper routine for converting ascii into long long values.
2696 Thu Jan 29 01:28:14 1998 Klaus Kaempf <kkaempf@progis.de>
2698 * cccp.c (SYS$SEARCH, SYS$PARSE): Write as upper-case.
2700 * vmsconfig.com: Remove bytecode references.
2702 * alpha/vms.h (PREFIX): Define.
2704 * alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Remove.
2706 * am-alpha.h: Don't include alloca for OPEN_VMS.
2708 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Define.
2710 * alpha/xm-vms.h (INCLUDE_DEFAULTS): Define.
2711 (GCC_INCLUDE_DIR): Define
2713 * make-cc.com, make-cccp.com, make-cc1.com: Removed.
2714 * makefile.vms: New file.
2716 * alpha/vms.h (CPP_PREDEFINES): Remove -Dalpha.
2718 * alpha.c (output_prolog): Output '.name' directive
2719 for minimal traceback information.
2721 * alpha.c (output_prolog): Don't prepend entry point symbols
2722 with '$' on OPEN_VMS.
2724 Thu Jan 29 00:25:35 1998 David S. Miller <davem@tanya.rutgers.edu>
2725 Jeffrey A Law (law@cygnus.com)
2727 * rtl.c (read_rtx): Use atol/atoq based upon disposition of
2730 * genattrtab.c (write_test_expr): Use HOST_WIDE_INT_PRINT_DEC
2732 * genemit.c (gen_exp): Likewise.
2733 * genpeep.c (match_rtx): Likewise.
2734 * genrecog.c (write_tree_1): Likewise.
2736 * c-lex.c (yyprint): Use proper format string based upon
2737 disposition of HOST_BITS_PER_WIDE_INT.
2738 (yylex): Put casts in right place for args to build_int_2.
2740 Thu Jan 29 00:24:29 1998 Jeffrey A Law (law@cygnus.com)
2742 * combine.c: Fix typos in Jan27 changes.
2744 Thu Jan 29 00:07:49 1998 Ollivier Robert <roberto@keltia.freenix.fr>
2746 * i386/freebsd.h (LIB_SPEC): Correctly handle -shared, -p and friends.
2747 (LINK_SPEC): Likewise.
2748 (STARTFILE_SPEC): Likewise.
2750 1998-01-28 Mike Stump <mrs@wrs.com>
2752 * rtlanal.c (dead_or_set_regno_p): Ignore REG_DEAD notes after
2754 * genattrtab.c (reload_completed): Define.
2756 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Remove obsolete
2759 Wed Jan 28 20:11:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2761 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
2762 SUBREG_REG if the word count is unchanged, also in the input reload
2763 case. Disable non-applicable sanity checks.
2765 Wed Jan 28 20:08:26 1998 Jeffrey A Law (law@cygnus.com)
2767 * config/t-svr4 (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
2769 Wed Jan 28 20:04:43 1998 Ian Lance Taylor <ian@cygnus.com>
2771 * i386/t-cygwin32 (LIMITS_H_TEST, LIBGCC2_INCLUDES): Define.
2773 Wed Jan 28 11:45:27 1998 Per Bothner <bothner@cygnus.com>
2775 * dbxout.c (dbxout_type): For a RECORD_TYPE, check that TYPE_BINFO
2776 is a TREE_VEC before trying to use it for baseclasses.
2777 (Chill uses the same field for a different purpose.)
2779 * toplev.c (strip_off_ending): Generalize to endings up to 5 chars.
2781 Tue Jan 27 23:15:55 1998 Lassi A. Tuura <lat@iki.fi>
2783 * config.sub: More accurate determination of HP processor types.
2785 Tue Jan 27 23:11:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2787 * c-lex.c: Include <stdlib.h> and <string.h>/<strings.h>. Add
2788 prototype for `handle_sysv_pragma', and make it static. Add
2789 parentheses around assignment used as truth value.
2791 * combine.c (combine_instructions): Protect variable `prev' with
2793 (can_combine_p): Protect variable `link' with AUTO_INC_DEC.
2794 (extract_left_shift): Add parentheses around operand of &.
2795 (merge_outer_ops): Avoid an empty body in an else-statement.
2796 (gen_rtx_combine): Remove unused variable `i'.
2798 * sparc/gmon-sol2.c: Include <fcntl.h>. Make return type of
2799 function monstartup `void'. Likewise for internal_mcount. Add
2800 `static void' prototype for moncontrol. Reconcile sprintf format
2803 * sparc/sparc.c: Include <stdlib.h> and <string.h>/<strings.h>.
2804 Make return type of function_arg_slotno explicitly `int'.
2805 (reg_unused_after): Add parentheses around assignment used as
2807 (save_regs): Add explicit braces to avoid ambiguous `else'.
2808 (function_arg_slotno): Add parentheses around && within ||.
2809 (function_arg_pass_by_reference): Likewise.
2810 (sparc_flat_output_function_prologue): Reconcile fprintf format
2813 * svr4.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
2814 assignment used as truth value.
2816 * cplus-dem.c: Include <stdlib.h>.
2817 (demangle_signature): Avoid an empty body in an else-statement.
2818 (do_type): Remove unused variable `lvl'.
2820 * cppexp.c: Don't have <stdlib.h> depend on MULTIBYTE_CHARS.
2821 Include <string.h>/<strings.h>.
2822 (cpp_lex): Remove unused variable `namelen'.
2823 (cpp_lex): Explicitly declare `num_chars' as an int.
2825 * cpplib.c: Avoid duplicate inclusion of <stdlib.h>, include
2826 <unistd.h> instead. Explicitly declare is_system_include
2828 (make_assertion): Remove unused variable `kt'.
2829 (cpp_expand_to_buffer): Hide variable `obuf'.
2830 (output_line_command): Remove unused variables, `line_end',
2831 `line_cmd_buf' and `len'.
2832 (macarg): Remove unused variable `arg_start'.
2833 (special_symbol): Remove unused variable `i'. Add parentheses
2834 around assignment used as truth value.
2835 (do_include): Remove unused variables `pcfname' and `retried',
2836 hide `pcf' and `pcfbuflimit'.
2837 (do_line): Remove unused variable `i'.
2838 (finclude): Hide variable `missing_newline'.
2839 (cpp_handle_options): Remove unused variable `j'.
2840 (read_token_list): Remove unused variable `eofp'.
2841 (cpp_error_with_line): Remove unused variable `i'.
2842 (cpp_warning_with_line): Likewise.
2843 (cpp_pedwarn_with_line): Explicitly declare `column' as int.
2844 (cpp_error_from_errno): Remove unused variable `i'.
2846 * cse.c (invalidate): Add parentheses around assignment used as
2848 (find_best_addr): Move declaration of variable `our_cost' inside
2849 the conditional macro where its used.
2850 (fold_rtx): Avoid an empty body in an if-statement.
2851 (cse_insn): Wrap variables `this_insn_cc0_mode' and
2852 `this_insn_cc0' in macro HAVE_cc0.
2854 * dwarf2out.c: Include <stdlib.h> and <string.h>/<string.h>.
2855 (ASM_OUTPUT_DWARF_DATA8): Reconcile format vs. args in fprintf's.
2856 (output_uleb128): Likewise.
2857 (output_sleb128): Likewise.
2858 (output_cfi): Likewise.
2859 (output_call_frame_info): Remove unused variables `j', `fde_size'
2861 (comp_unit_has_inlines): Hide declaration as per rest of file.
2862 (size_of_line_prolog): Correct typo in prototype.
2863 (add_arange): Likewise.
2864 (output_aranges): Likewise.
2865 (add_name_and_src_coords_attributes): Likewise.
2866 (gen_array_type_die): Likewise.
2867 (gen_inlined_subroutine_die): Likewise.
2868 (equate_decl_number_to_die): Remove unused variable `i'.
2869 (print_die): Reconcile format vs. args in fprintf's.
2870 (print_dwarf_line_table): Likewise.
2871 (output_die): Likewise.
2872 (output_line_info): Likewise.
2873 (add_subscript_info): Avoid an empty body in an else-statement.
2874 (gen_subprogram_die): Remove unused variable `fp_loc'.
2876 * dwarfout.c: Explicitly declare `next_pubname_number' as int.
2877 Protect `ordering_attribute' prototype with USE_ORDERING_ATTRIBUTE
2878 macro. Protect `src_coords_attribute' prototype with
2879 DWARF_DECL_COORDINATES macro. Hide `output_entry_point_die'
2880 prototype as in the rest of the file. Likewise for
2881 `output_pointer_type_die' and `output_reference_type_die'. Remove
2882 prototype for `type_of_for_scope'.
2883 (output_unsigned_leb128): Reconcile format vs. args in fprintf.
2884 (type_attribute): Add explicit braces to avoid ambiguous `else'.
2886 * final.c: Include <stdlib.h> and <string.h>/<strings.h>.
2887 (shorten_branches): Protect declaration of tmp_length with
2888 SHORTEN_WITH_ADJUST_INSN_LENGTH and ADJUST_INSN_LENGTH macros.
2889 (profile_function): Protect declaration of `sval' and `cxt'
2890 variables with appropriate macros.
2891 (final_scan_insn): Likewise for `note' variable. Add explicit
2892 braces to avoid empty body in an if-statement.
2893 (output_asm_insn): Move variable `i' inside macro conditional
2894 where it is used. Add parentheses around assignment used as truth
2896 (asm_fprintf) Likewise, likewise.
2898 * fix-header.c (main): Remove unused variable `done'. Protect
2899 declaration of `i' with FIXPROTO_IGNORE_LIST.
2901 * pexecute.c: Include <unistd.h>. Prototype `my_strerror'.
2903 * print-rtl.c (print_inline_rtx): Explicitly declare the parameter
2906 * profile.c: Include <string.h>/<strings.h>.
2907 (instrument_arcs): Remove unused variables `note', `inverted',
2908 `zero' and `neg_one'.
2909 (branch_prob): Avoid empty body in an if-statement.
2911 * regclass.c: Include <stdlib.h>.
2912 (reg_alternate_class): Explicitly declare parameter `regno'.
2914 * regmove.c (regmove_optimize): Remove unused variable `p'. Add
2915 parentheses around assignment used as truth value.
2916 (find_matches): Remove unused variables `output_operand' and
2918 (fixup_match_1): Remove statement with no effect: "if (0) ;".
2920 * scan.c (sstring_append): Explicitly declare `count' as int.
2921 (scan_string): Explicitly declare parameter `init' as int.
2923 * sched.c: Include <stdlib.h>.
2924 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
2925 (rank_for_schedule): Add parentheses around assignment used as
2927 (schedule_block): Likewise.
2928 (regno_use_in): Likewise.
2929 (schedule_insns): Remove unused variable `i'.
2931 * toplev.c: Include <stdlib.h> and <string.h>/<strings.h>.
2932 (v_message_with_decl): Remove unused variable `n'.
2933 (botch): Explicitly declare parameter `s' as char *.
2934 (main): Add parentheses around assignment used as truth value.
2936 * tree.c (make_node): Protect the variable `kind' with the
2937 GATHER_STATISTICS macro.
2938 (real_value_from_int_cst): Move variable `e' inside conditional
2939 macro area where it is used.
2940 (tree_last): Add parentheses around assignment used as truth value.
2941 (build1): Protect the variable `kind' with the GATHER_STATISTICS
2943 (print_obstack_statistics): Reconcile format vs. args in fprintf.
2944 Protect variables `i', `total_nodes', and `total_bytes' with the
2945 GATHER_STATISTICS macro.
2947 Tue Jan 27 23:01:55 1998 Mike Stump (mrs@wrs.com)
2949 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Add
2950 some comments regarding use of dead_or_set_p.
2952 Tue Jan 27 22:14:48 1998 Todd Vierling <tv@pobox.com>
2954 * fixincludes: Tweak fix for struct exception in math.h
2956 Tue Jan 27 17:21:09 1998 Gavin Koch (gavin@cygnus.com)
2958 * mips/mips.c (mips_expand_prologue,mips_expand_epilogue):
2959 Change mode of registers used to add/sub from
2960 hard_frame_pointer_rtx from word_mode to Pmode.
2962 Tue Jan 27 11:02:04 1998 Nick Clifton <nickc@cygnus.com>
2964 * v850.h (ASM_OUTPUT_ALIGNED_BSS): Use
2965 asm_output_aligned_bss() instead of asm_output_bss().
2967 * toplev.c (rest_of_compilation): Replace references to
2968 stack_reg_dump_file and dbr_sched_dump_file with references to
2971 Tue Jan 27 10:22:13 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
2973 * tlink.c (scan_linker_output): Call fclose() for opened files.
2975 Tue Jan 27 05:05:26 1998 Richard Henderson <rth@cygnus.com>
2977 * alpha.c (output_epilog [!VMS]): Don't tag global functions if
2978 compiling with -fpic -- we want to be able to override symbols
2980 (alpha_expand_block_move): Fix thinko in last change.
2982 * alpha.h (ASM_OUTPUT_MI_THUNK): New define.
2983 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): New define.
2984 * config/alpha/vms.h (ASM_OUTPUT_MI_THUNK): New undef.
2986 Tue Jan 27 03:21:23 1998 Richard Henderson <rth@cygnus.com>
2988 * alpha.md (abssf, absdf): Revert last change.
2990 Tue Jan 27 00:26:50 1998 John Carr <jfc@mit.edu>
2992 * dwarf2out.c (dwarf2out_frame_init): Test value of DWARF2_UNWIND_INFO.
2993 * mips/sni-svr4.h: Define DWARF2_UNWIND_INFO as 0.
2995 Tue Jan 27 00:07:02 1998 Jeffrey A Law (law@cygnus.com)
2997 * emit-rtl.c (gen_lowpart_common): Handle more case where converting
2998 a CONST_INT into SFmode.
3000 Tue Jan 20 16:01:03 1998 Anthony Green <green@cygnus.com>
3002 * flags.h: New flag (optimize_size).
3003 * toplev.c (main): Parse -Os option and set optimize_space
3005 * gcc.c (default_compilers), cp/lang-specs.h, f/lang-specs.h: Define
3006 __OPTIMIZE_SIZE__ when compiling with -Os.
3007 * config/dsp16xx/dsp16xx.h, config/i386/i386.h,
3008 config/i386/dgux.h, config/i960/i960.h, config/pdp11/pdp11.h,
3009 config/v850/v850.h (OPTIMIZATION_OPTIONS): New SIZE argument
3011 * config/i386/i386.c (optimization_options): Accept new SIZE argument.
3013 Mon Jan 26 23:57:39 1998 Manfred Hollstein <manfred@s-direktnet.de>
3015 * libgcc2.c (__clear_insn_cache): On sysV68 enable the memctl
3016 stuff only if MCT_TEXT is #define'd.
3018 Mon Jan 26 23:52:51 1998 Markus F.X.J. Oberhumer <k3040e4@c210.edvz.uni-linz.ac.at>
3020 * configure.in (i*86-pc-msdosdjgpp): Treat like msdos & go32
3023 Fri Jan 23 09:39:36 1998 Nick Clifton <nickc@cygnus.com>
3025 * toplev.c: Add -dM command line option to dump RTL after the
3026 machine dependent reorganisation pass, if there is one.
3027 Reorganise RTL dump code, so that only one file handle is
3030 Mon Jan 26 12:09:42 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
3032 * except.c (check_exception_handler_labels): Disable warning when
3035 Mon Jan 26 18:17:32 1998 Jim Wilson <wilson@cygnus.com>
3037 * sparc.c (pic_setup_code): Don't set LABEL_PRESERVE_P.
3039 Mon Jan 26 18:11:30 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3041 * c-decl.c (grokdeclarator): Get parameter tags from
3042 last_function_parm_tags.
3043 * dwarfout.c (output_formal_types): Set TREE_ASM_WRITTEN before
3044 traversing the parameter types.
3045 (output_type): No early exit for FUNCTION_TYPE / METHOD_TYPE context.
3047 Mon Jan 26 01:44:12 1998 Jeffrey A Law (law@cygnus.com)
3049 * h8300.c (print_operand): Handle CONST_DOUBLE for 'e', 'f', and
3051 (get_shift_alg): Fix typo.
3053 Sun Jan 25 22:22:04 1998 Richard Henderson <rth@cygnus.com>
3055 * alpha.c (alpha_expand_block_move): Copy ADDRESSOF to reg.
3057 Sun Jan 25 22:14:28 1998 Richard Henderson <rth@cygnus.com>
3059 * toplev.c (get_run_time): Make sure each case gets its variables.
3061 Sun Jan 25 22:10:21 1998 Richard Henderson <rth@cygnus.com>
3063 * configure.in (build_xm_file): Add auto-config.h if host=build.
3064 (host_xm_file_list): Don't add $(srcdir) to auto-config.h.
3065 (build_xm_file_list): Likewise.
3066 * configure: Rebuild.
3068 Sun Jan 25 22:00:25 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk>
3070 * recog.c (validate_replace_rtx_1): Only perform substitutions
3071 of arguments to commutative and comparison operators once.
3073 Sun Jan 25 12:30:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3075 * sparc.c (output_cbranch): Add default case in
3078 * reorg.c (insn_sets_resource_p): Correct typo in prototype.
3079 (emit_delay_sequence): Eliminate unused parameter, all callers
3081 (fill_simple_delay_slots): Likewise.
3082 (fill_slots_from_thread): Likewise.
3083 (fill_eager_delay_slots): Likewise.
3084 (mark_referenced_resources): Add default case in enumeration switch.
3085 (mark_set_resources): Likewise.
3086 (rare_destination): Likewise.
3087 (mostly_true_jump): Likewise.
3088 (find_dead_or_set_registers): Likewise.
3089 (redirect_with_delay_slots_safe_p): Remove unused variable `slots'.
3090 (update_reg_unused_notes): Remove unused variable `p'.
3091 (mark_target_live_regs): Remove unused variables `next' and
3093 (fill_simple_delay_slots): Remove unused variable `j'.
3094 (fill_slots_from_thread): Add parentheses around assignment used
3096 (dbr_schedule): Likewise.
3098 * objc/Make-lang.in (objc.stage1): Depend on stage1-start.
3099 (objc.stage2, objc.stage3, objc.stage4): Likewise.
3101 Sun Jan 25 12:13:47 1998 Michael Tiemann <michael@tiemann.org>
3103 * cse.c (simplify_ternary_operation): Don't try to simplify
3104 IF_THEN_ELSE expressions (created by combine) that don't use
3105 relational operators.
3107 Fri Jan 23 22:48:24 1998 Jeffrey A Law (law@cygnus.com)
3109 * cse.c (simplify_ternary_operation): Handle more IF_THEN_ELSE
3112 * crtstuff.c (init_dummy): Keep the epilogue in the init
3113 section for non-ELF systems.
3115 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3117 * sh.md (movqi_i+1): New peephole.
3119 Fri Jan 23 15:39:42 1998 Jim Wilson <wilson@cygnus.com>
3121 * Makefile.in: Remove remaining bytecode stuff.
3122 * emit-rtl.c, expr.c: Likewise.
3124 Fri Jan 23 12:41:10 1998 Nick Clifton (nickc@cygnus.com)
3126 * toplev.c (lang_options): Add unknown-pragma options.
3128 Thu Jan 22 23:43:38 1998 Per Bothner <bothner@cygnus.com>
3130 * dwarfout.c (byte_size_attribute): Simplify and fix - don't need
3131 special (and incomplete) handling for Chill arrays.
3133 Fri Jan 23 00:27:23 1998 John Carr <jfc@mit.edu>
3135 * toplev.c (get_run_time): Call sysconf(_SC_CLK_TCK), when available,
3138 Fri Jan 23 00:19:36 1998 Gavin Koch (gavin@cygnus.com)
3140 * mips.md (muldi3_internal2): Reverse test for TARGET_MIPS16.
3142 1998-01-22 scott snyder <snyder@d0sgif.fnal.gov>
3144 * mips.c (function_prologue): Use HARD_FRAME_POINTER_REGNUM in
3145 .frame directive instead of FRAME_POINTER_REGNUM.
3147 Fri Jan 23 00:08:55 1998 Robin Kirkham <rjk@mlb.dmt.csiro.au>
3149 * m68k.h (TARGET_SWITCHES): -mcpu32 now clears MASK_68881.
3150 (MACHINE_STATE_m68010_up): Replaced __mc68332__ with __mcpu32__.
3151 * m68k/m68k-none.h(CPP_FPU_SPEC): Update relative to TARGET_SWITCHES.
3152 (CPP_SPEC, ASM_SPEC, CC1_SPEC): Likewise.
3153 (CPP_SPEC): -m68332 defines both __mc68332 and __mcpu32__.
3154 * m68k/t-m68kbare (MULTILIB_OPTIONS): Add mcpu32.
3155 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
3156 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
3158 * longlong.h: Replace __mc68332__ with __mcpu32__.
3160 Thu Jan 22 19:55:40 PST 1998 Jeff Law (law@cygnus.com)
3162 * version.c: Bump for snapshot.
3164 Thu Jan 22 14:47:31 1998 Jim Wilson <wilson@cygnus.com>
3166 * reload.c (push_reload): In WORD_REGISTER_OPERATIONS code, add test
3167 to require the SUBREG mode to be smaller than the SUBREG_REG mode.
3168 * reload1.c (eliminate_regs): Likewise.
3170 Thu Jan 22 14:49:14 1998 Jeffrey A Law (law@cygnus.com)
3172 * regmove.c (find_matches): Initialize matches->earlyclobber too.
3174 Thu Jan 22 01:40:52 1998 Richard Henderson <rth@cygnus.com>
3176 * alpha.md (abssf2, absdf2): Disable in IEEE mode.
3177 (negsf2, negdf2): Use proper subtract in IEEE mode.
3179 Tue Jan 20 09:29:09 1998 Jeffrey A Law (law@cygnus.com)
3181 * Makefile.in: Remove more bytecode stuff.
3182 * expr.c, stmt.c, config/msdos/top.sed: Likewise.
3183 * vax/xm-vms.h, winnt/config-nt.sed: Likewise.
3184 * f/install.texi, objc/Make-lang.in: Likewise.
3186 * Makefile.in: Remove all bytecode support.
3187 (OBJS): Make sure last entry is a real object file, not EXTRA_OBJS.
3188 * emit-rtl.c: Remove all bytecode support.
3189 * expr.c, expr.h function.c, integrate.c: Likewise.
3190 * output.h, regclass.c, rtl.h, stmt.c, toplev.c: Likewise.
3191 * tree.h, varasm.c: Likewise.
3192 * config/m68k/m68k.h: Likewise.
3193 * bi-*, bc-*, bytecode*: Delete bytecode related files.
3194 * modemap.def: Likewise.
3196 Tue Jan 20 09:02:31 1998 Gavin Koch (gavin@cygnus.com)
3198 * mips/mips.md (divsi3,divdi3,modsi3,moddi3,udivsi3,udivdi3,
3199 umodsi3,umoddi3): Handle mips16 div/mod by a constant.
3201 Mon Jan 19 21:57:00 1998 Richard Henderson <rth@cygnus.com>
3203 * i386.md (push): Prohibit symbolic constants if flag_pic.
3204 (movsi+1): Likewise for move to non-register.
3206 Mon Jan 19 11:15:38 1998 Jim Wilson <wilson@cygnus.com>
3208 * alpha.c (mode_mask_operand): Accept 0xffffffff on 32 bit host.
3209 (print_operand): Handle 0xffffffff on 32 bit host.
3211 * configure.in (thread_file): Rename uses before main loop to
3212 target_thread_file. Initialize to empty in main loop. Set thread_file
3213 to target_thread_file after main loop if not set.
3214 * configure: Rebuild.
3216 * genattrtab.c (find_and_mark_used_attributes): Handle CONST_INT.
3217 (add_values_to_cover): Revert last change (which had no ChangeLog
3219 (simplify_with_current_value_aux): Handle CONST_INT.
3221 Mon Jan 19 10:14:55 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3223 * unprotoize.c: Define UNPROTOIZE first, to actually take effect.
3225 Mon Jan 19 10:11:52 1998 Richard Henderson <rth@cygnus.com>
3227 * configure.in: Add cpp stringify test.
3228 * acconfig.h (HAVE_CPP_STRINGIFY): New tag.
3229 * gengenrtl.c: Use it.
3230 * configure, config.in: Rebuild.
3232 Mon Jan 19 09:43:15 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3234 * Makefile.in (genrtl.c genrtl.h): Add dummy command for GNU make.
3236 Mon Jan 19 09:38:18 1998 Richard Henderson <rth@cygnus.com>
3238 * configure.in: Find declaration for sbrk.
3239 * acconfig.h (NEED_DECLARATION_SBRK): New tag.
3240 * config.in, configure: Rebuild.
3241 * mips-tfile.c: Properly protect declaration of sbrk and free.
3242 * toplev.c: Properly protect declaration of sbrk.
3244 Sun Jan 18 20:18:01 1998 Richard Henderson <rth@cygnus.com>
3246 * alpha.c (alpha_handle_trap_shadows): Ignore CLOBBERs.
3248 Sun Jan 18 01:54:27 1998 Jeffrey A Law (law@cygnus.com)
3250 * alpha/xm-winnt.h (HAS_INIT_SECTION): Undefine.
3252 Sun Jan 18 00:57:35 1998 Mike Stump (mrs@wrs.com)
3254 * configure.in (i960-wrs-vxworks): Default to latest vxworks release.
3256 Sat Jan 17 23:41:36 1998 David S. Miller <davem@tanya.rutgers.edu>
3258 * combine.c (force_to_mode, nonzero_bits): Correctly optimize
3259 constant offset computations from objects with known alignment in
3260 the presence of STACK_BIAS.
3262 * varasm.c (immed_double_const): Add casts to HOST_WIDE_INT where
3264 (const_hash): Hash val is unsigned long.
3265 (SYMHASH): Likewise.
3267 * tree.c (TYPE_HASH): Type of hash val is unsigned long.
3269 * print-tree.c (print_node_brief): HOST_PTR_PRINTF format wants a
3270 char pointer, not HOST_WIDE_INT.
3271 (print_node): Likewise. Also hash is unsigned long not
3274 * cse.c (canon_hash): Hash is unsigned long not HOST_WIDE_INT.
3276 * explow.c (optimize_save_area_alloca): New function for targets
3277 where SETJMP_VIA_SAVE_AREA is true.
3278 (allocate_dynamic_stack_space): On SETJMP_VIA_SAVE_AREA targets,
3279 compute the amount of stack space needed should we find later that
3280 setjmp is never called by this function, stuff rtl for this inside
3281 a REG_NOTE of the final SET of stack_pointer_rtx.
3282 * toplev.c (rest_of_compilation): If SETJMP_VIA_SAVE_AREA and
3283 current_function_calls_alloca, call optimize_save_area_alloca.
3285 Sat Jan 17 23:22:59 1998 John Wehle (john@feith.com)
3287 * i386.md: Remove redundant integer push patterns.
3288 Don't bother checking for TARGET_PUSH_MEMORY when
3289 pushing constants or registers.
3291 Sat Jan 17 22:35:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
3292 J.J VanderHeijden <J.J.vanderHeijden@student.utwente.nl>
3294 * pexecute.c (pexecute): New function for mingw32. Supports pipes.
3295 (pwait): New function for mingw32.
3297 * gcc.c (execute): Mingw32 pexecute() supports pipes, but cygwin32
3298 pipe support is broken for now.
3300 1998-01-17 Lee Iverson <leei@Canada.AI.SRI.COM>
3302 * emit_rtl.c (init_emit_once): Ensure that potential aliasing
3303 between frame_pointer_rtx, hard_frame_pointer_rtx, and
3304 arg_pointer_rtx is respected in initialization.
3305 (init_emit_once): Use gen_rtx_raw_REG() to create
3306 return_address_pointer_rtx.
3308 * reorg.c: #include "expr.h" for rtx prototypes.
3309 * Makefile.in (reorg.o): Depend on expr.h
3311 Sat Jan 17 21:28:08 1998 Pieter Nagel <pnagel@epiuse.co.za>
3313 * Makefile.in (FLAGS_TO_PASS): Pass down gcc_include_dir and
3314 local_prefix to sub-make invocations.
3316 Sat Jan 17 21:24:16 1998 David T. McWherter <dtm@waterw.com>
3318 * objc-parse.c: Recognize protocol qualifiers in class definitions.
3320 Sat Jan 17 21:16:19 1998 Jeffrey A Law (law@cygnus.com)
3324 * acconfig.h (NEED_DECLARATION_ATOL): New declaration to check for.
3325 * configure.in: Check for atol.
3326 * rtl.c (atol): Only provide the declaration if NEED_DECLARATION_ATOL.
3328 * rtl.c (read_rtx): Initialize list_rtx to NULL, not NULL_RTX.
3330 * loop.c (find_and_verify_loops): When attempting to move insns from
3331 inside the loop outside the loop, create a BARRIER if no suitable
3334 * jump.c (jump_optimize): Remove Dec 17, 1997 chance in
3335 favor of an equivalent change from gcc-2.8.
3337 * i386/x-sco5 (CC): Remove trailing whitespace.
3339 Sat Jan 17 21:09:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3341 * gengenrtl.c (type_from_format): De-ANSIfy function signature.
3342 (accessor_from_format): Likewise.
3343 (xmalloc): New function for use when linking with alloca.o.
3345 Mon Jan 5 02:53:01 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
3347 * frame.c (find_fde): Correct FDE's upper bound.
3349 Fri Jan 16 16:23:52 1998 Richard Henderson <rth@cygnus.com>
3351 * gengenrtl.c (DEF_RTL_EXPR): Provide a K&R compliant version.
3353 Fri Jan 16 10:16:10 1998 Jeffrey A Law (law@cygnus.com)
3355 * calls.c (expand_call): Move #ifdef code out of macro argument
3357 (emit_library_call, emit_library_call_value): Likewise.
3359 Fri Jan 16 00:46:40 1998 Jeffrey A Law (law@cygnus.com)
3361 * rtl.def (INLINE_HEADER): Fix bug exposed by gen_rtx_FOO changes.
3363 Thu Jan 15 01:02:30 1998 Jeffrey A Law (law@cygnus.com)
3365 * version.c: Bump for snapshot.
3367 Wed Jan 14 22:49:17 1998 Richard Henderson <rth@cygnus.com>
3369 * alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO;
3370 change gen_rtx(expr...) to gen_rtx_fmt_foo(expr...).
3371 * caller-save.c, calls.c, combine.c, cse.c: Likewise.
3372 * dwarf2out.c, except.c, explow.c, expmed.c, expr.c: Likewise.
3373 * final.c, flow.c, function.c, genpeep.c, haifa-sched.c: Likewise.
3374 * halfpic.c, integrate.c, jump.c, local-alloc.c, loop.c: Likewise.
3375 * profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise.
3376 * reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise.
3377 * unroll.c, varasm.c: Likewise.
3378 * config/alpha/alpha.c, config/alpha/alpha.md: Likewise.
3380 Wed Jan 14 19:36:08 1998 Gavin Koch (gavin@cygnus.com)
3382 * mips.h: Fix some type-o's from a previous change.
3384 Wed Jan 14 01:26:05 1998 Jeffrey A Law (law@cygnus.com)
3386 * loop.c (check_dbra_loop): Make sure initial value is a
3387 CONST_INT before trying to normalize it.
3389 Tue Jan 13 23:27:54 1998 Robert Lipe (robertl@dgii.com)
3391 * sco5.h (ASM_OUTPUT_SECTION_NAME): Refresh from ../svr4.h.
3393 Tue Jan 13 22:47:02 1998 Herman ten Brugge <herman@htbrug.net.HCC.nl>
3395 * cppexp.c: Include gansidecl.h
3397 Tue Jan 13 22:43:35 1998 Ian Lance Taylor <ian@cygnus.com>
3399 * svr4.h (LINK_SPEC): Never specify -h.
3400 * ptx4.h (LINK_SPEC): Likewise.
3401 * rs6000/sysv4.h (LINK_SPEC): Likewise.
3402 * sparc/sol2.h (LINK_SPEC): Likewise.
3404 Tue Jan 13 22:39:40 1998 Richard Henderson (rth@cygnus.com)
3406 * c-typeck.c (comptypes): Exit early on NULL input.
3408 * haifa-sched.c (schedule_insns): Correctly remove inter-block
3409 dependencies after reload.
3411 Tue Jan 13 22:22:31 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
3413 * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__.
3415 Tue Jan 13 22:14:57 1998 Klaus Kaempf <kkaempf@progis.de>
3417 * alpha/vms.h (DIR_SEPARATOR): define
3419 Tue Jan 13 22:13:04 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
3421 * Makefile.in (stamp-proto): Remove.
3422 (protoize.o, unprotoize.o): Straightforward compile.
3423 * unprotoize.c: Define UNPROTOIZE here, not in the Makefile.
3425 Tue Jan 13 21:59:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
3427 * i386/cygwin32.h (STRIP_NAME_ENCODING): Define for Win32 to strip
3428 off the trailing @[NUM] added by ENCODE_SECTION_INFO.
3430 Tue Jan 13 21:55:06 1998 Jeffrey A Law (law@cygnus.com)
3432 * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now.
3433 * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise.
3434 * sparc/netbsd.h, vax/netbsd.h: Likewise.
3436 Tue Jan 13 21:37:07 1998 Shigeya Suzuki <shigeya@foretune.co.jp>
3438 * i386/bsd386.h (DWARF2_UNWIND_INFO): Define as zero for now.
3440 Tue Jan 13 17:50:55 1998 Jim Wilson <wilson@cygnus.com>
3442 * configure.in (target_cpu_default, target_cpu_default2): Use double
3443 quotes around them when testing their value.
3444 * configure: Rebuilt.
3446 Tue Jan 13 09:07:44 1998 John Carr <jfc@mit.edu>
3448 * gengenrtl.c (gencode): Emit new function obstack_alloc_rtx
3450 (gendef): Call obstack_alloc_rtx.
3452 Tue Jan 13 01:16:36 1998 Robert Lipe (robertl@dgii.com)
3454 * configure.in: (i[3456]86-UnixWare7-sysv5): Treat much like SVR4
3457 Thu Dec 18 18:40:17 1997 Mumit Khan <khan@xraylith.wisc.edu>
3459 * i386/mingw32.h (INCOMING_RETURN_ADDR_RTX): Delete. Use the value
3460 of DWARF2_UNWIND_INFO, if any, from i386/cygwin32.h instead.
3461 (STANDARD_INCLUDE_DIR): Change to /usr/local/i386-mingw32/include.
3463 Tue Jan 13 00:44:02 1998 Jim Wilson <wilson@cygnus.com>
3465 * mips.md (return_internal): Change mode from SImode to VOIDmode.
3467 Sat Jan 10 22:11:39 1998 J. Kean Johnston <jkj@sco.com>
3469 * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle
3472 Sat Jan 10 22:04:15 1998 Stan Cox <scox@equinox.cygnus.com>
3474 * i386.md: (movsicc_1, movhicc_1): For alternate 3 set the opcode
3475 suffix from operand 3.
3477 Sat Jan 10 21:50:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3478 Jeffrey A Law (law@cygnus.com)
3480 * regmove.c: New implementation of regmove pass.
3481 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2): Remove
3482 decls, make them have external linkage. Return a value from
3483 optimize_reg_copy_1.
3484 * reload.h (count_occurrences): Add decl.
3485 * reload1.c (count_occurrences): Delete decl, make it have external
3487 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Declare.
3489 Sat Jan 10 20:30:12 1998 Jeffrey A Law (law@cygnus.com)
3491 * regclass.c (record_address_regs): Don't use REG_OK_FOR_BASE_P
3492 if it is not defined.
3494 Thu Jan 8 21:06:54 1998 Richard Henderson <rth@cygnus.com>
3496 * Makefile.in (OBJ, GEN, RTL_H): Add genrtl.[oh] bits.
3497 * emit-rtl.c (gen_rtx): Move special code to ...
3498 (gen_rtx_CONST_INT): New function.
3499 (gen_rtx_REG): New function.
3500 (*): Update all calls to gen_rtx.
3501 * genemit.c (gen_exp): Emit calls to gen_rtx_FOO for constant FOO.
3502 * rtl.h: Include genrtl.h; prototype CONST_INT & REG generators.
3503 (GEN_INT): Call gen_rtx_CONST_INT.
3504 * gengenrtl.c: New file.
3506 Mon Jan 5 13:00:18 1998 John F. Carr <jfc@mit.edu>
3508 * alias.c (*_dependence): Call base_alias_check before canon_rtx.
3509 (base_alias_check): If no base found for address call canon_rtx and
3512 Mon Jan 5 11:39:49 1998 Jeffrey A Law (law@cygnus.com)
3514 * mips.c (mips_expand_prologue): Handle large frame with no outgoing
3515 arguments for mips16.
3516 (mips_expand_epilogue): Pass "orig_tsize" to save_restore_insns.
3517 Don't lose if tsize is zero after handling large stack for mips16.
3518 * mips.md (return): For trivial return, return address is in $31.
3520 Sun Jan 4 20:24:00 1998 Nigel Stephens <nigel@algor.co.uk>
3522 * mips/mips16.S: Various changes to make it work with -msingle-float
3525 Sun Jan 4 14:25:18 1998 Gavin Koch <gavin@cygnus.com>
3526 Ian Lance Taylor <ian@cygnus.com>
3527 Jeff Law <law@cygnus.com>
3529 * mips.c, mips.h, mips.md: First cut at merging in mips16
3530 support. Major modifications throughout all three files.
3532 Sun Jan 4 01:01:50 1998 scott snyder <snyder@d0sgif.fnal.gov>
3534 * configure.in: Make gthr-default.h a forwarding header instead of
3537 Sat Jan 3 12:08:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3539 * gcov-io.h: Include sys/types.h to ensure we get size_t.
3541 * pa.h (ASM_OUTPUT_MI_THUNK): Add missing % in fprintf.
3543 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
3544 Jeffrey A Law (law@cygnus.com)
3546 * crtstuff.c (__frame_dummy): New function for irix6.
3547 (__do_global_ctors): Call __frame_dummy for irix6.
3548 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
3550 Fri Jan 2 04:57:57 1998 Weiwen Liu <liu@hepmail.physics.yale.edu>
3552 * alpha.c (vms_valid_decl_attribute_p): Move within #if OPEN_VMS.
3554 Fri Jan 2 04:34:14 1998 Richard Henderson <rth@cygnus.com>
3556 * c-decl.c (init_decl_processing): Provide proper fallback symbol
3557 for __builtin_memset.
3558 * expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
3559 not INTEGER_CST. Assert arg 3 is a constant.
3561 * alpha.c (mode_width_operand): Accept 64-bit modes.
3562 (mode_mask_operand): Likewise.
3563 (print_operand): Likewise for 'M' and 'U' codes.
3564 (alpha_expand_unaligned_load): New function.
3565 (alpha_expand_unaligned_store): Likewise.
3566 (alpha_expand_unaligned_load_words): Likewise.
3567 (alpha_expand_unaligned_store_words): Likewise.
3568 (alpha_expand_block_move): Likewise.
3569 (alpha_expand_block_clear): Likewise.
3570 * alpha.h (MOVE_RATIO): New define.
3571 * alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
3572 (insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
3574 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
3575 (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.
3577 Thu Jan 1 15:40:15 1998 Richard Henderson <rth@cygnus.com>
3579 * configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
3580 * configure: Update.
3582 Thu Jan 1 10:49:12 1998 Jeffrey A Law (law@cygnus.com)
3584 * emit-rtl.c (operand_subword): Correctly handle extracting a word
3585 from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN.
3587 * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate
3590 Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com>
3592 * configure.in: Set and subsitute host_exeext. Use it when creating
3593 the assembler and linker symlinks.
3594 * configure: Rebuild.
3595 * Makefile.in (exeext): Set to @host_exeext@.
3596 (build_exeext): New variable, set to @build_exeext@.
3597 (FLAGS_TO_PASS): Pass down build_exeext.
3598 (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi*
3601 Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com)
3603 * mn10200.md (addsi3, subsi3): Fix thinkos.
3605 Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com>
3607 * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
3608 save+restore. Fix pic+big_offset delay slot. Use "pic" case for
3609 unix always, since we want to be able to thunk to functions in a
3610 shared library from an application.
3612 Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com>
3614 * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.
3615 (LIB1ASMSRC, LIB1ASMFUNCS): Define.
3617 Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com)
3619 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
3620 offset's mode is not ptr_mode, convert it.
3622 Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com>
3624 * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross
3625 compiling if it was already defined.
3627 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
3629 * flow.c (find_basic_blocks): Don't create a new basic block
3630 for calls in a LIBCALL block.
3632 Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu>
3634 * config/fp-bit.c (L_df_to_sf): Fix typo in last change.
3636 Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com)
3638 * cse.c (rtx_cost): Remove conflicting default case.
3640 Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com>
3642 * configure.in: Move default enabling of Haifa out of for loop.
3643 * configure: Rebuild.
3645 Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com)
3647 * version.c: Bump for snapshot.
3649 1997-12-25 Teemu Torma <tot@trema.com>
3651 * Makefile.in (GTHREAD_FLAGS): New var.
3652 (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
3653 (distclean): Remove gthr-default.h.
3655 * configure.in: Accept dce as a thread package.
3656 Check for thread.h and pthread.h.
3657 Link gthr-default.h to appropriate thread file and set
3659 (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
3660 include multilib definitions from pa/t-dce-thr.
3661 (sparc-*-solaris2*): Enable threads by default, if thread.h or
3662 pthread.h is found, preferring posix threads over solaris ones.
3664 * config/pa/t-dce-thr: New file.
3665 * config/pa/t-pa: Removed multilibs.
3666 * config/sparc/t-sol2: Ditto.
3669 * gthr-single.h: New file.
3670 * gthr-posix.h: New file.
3671 * gthr-solaris.h: New file.
3672 * gthr-dce.h: New file.
3673 * libgcc-thr.h: Removed.
3674 * objc/thr-dce.c: New file copied from thr-decosf1.c.
3676 * frame.c: Include gthr.h instead of libgcc-thr.h.
3677 * libgcc2.c: Include gthr.h instead of libgcc-thr.h.
3678 (eh_context_initialize): If __gthread_once fails, use static eh
3680 (eh_context_free): Call __gthread_key_dtor.
3682 Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com)
3684 * expr.h (MUST_PASS_IN_STACK): Allow target port to override.
3686 Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com>
3688 * cse.c (max_insn_uid): New variable.
3689 (cse_around_loop): Use max_insn_uid.
3690 (cse_main): Set max_insn_uid.
3692 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
3693 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
3694 -mlong64, and -mgp{32,64} options.
3695 * mips.c (mips_abi): Change type to int.
3696 * mips.h (enum mips_abi_type): Delete.
3697 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
3698 (mips_abi): Change type to int.
3700 Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu>
3702 * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
3703 optimization is now always enabled.
3705 * calls.c (expand_call): Recognize C++ operator new as malloc-like
3708 * alias.c (memrefs_conflict_p): Eliminate tests now done by
3710 (*_dependence): Call canon_rtx before base_alias_check.
3711 (init_alias_once): New function to precompute set of registers which
3712 can hold Pmode function arguments.
3714 * rtl.h: Declare init_alias_once.
3716 * toplev.c (compile_file): Call init_alias_once.
3718 Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com)
3720 * tree.c (restore_tree_status): Do not dereference a null pointer.
3722 Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com>:
3724 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to
3725 RLIMIT_STACK. This maintains consistency with the recent, similar
3726 patch to cccp.c and toplev.c.
3728 Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com>
3730 * genattrtab.c (expand_units): For large nr opclasses, expand
3731 function_units_used with ORX to prevent blowups. Tag with FFS.
3732 (num_unit_opclasses): New variable.
3733 (gen_unit): Update it.
3734 (enum operator): Add ORX_OP.
3735 (operate_exp): Treat ORX as or, except don't expand across an if.
3736 Reuse number rtx's after operating on them.
3737 (check_attr_value): Accept IOR, AND, & FFS.
3738 (write_test_expr): Transmute `in_comparison' to `flags'. Allow
3739 for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE.
3740 (write_expr_attr_cache, write_toplevel_expr): New functions.
3741 (write_attr_get): Handle FFS-tagged expressions.
3742 (make_canonical): Don't expand const attributes.
3743 (convert_const_symbol_ref): Dike out.
3744 (evaluate_eq_attr): Handle SYMBOL_REF.
3745 (main): Don't emit get_attr_foo for const attributes.
3747 * alpha.c (override_options): Reinstate PROCESSOR_EV6.
3748 (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests.
3749 * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly.
3750 * alpha.md: Redo all of the scheduling, adding EV6 support, and
3751 combining function units where possible.
3752 (attr "type"): Split loads, stores, cmov into int/fp. Combine
3753 multiplies and divides. Add EV6 sqrt, ftoi, itof.
3754 (attr "opsize"): New attribute.
3755 (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns.
3756 (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX
3757 to control register allocation.
3758 (movsi2-1, movdi2-1): Likewise.
3760 Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com>
3762 * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
3763 MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
3764 Move OSF/1 specific defines out.
3765 * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
3766 Move Linux specific defines out.
3767 (LINK_SPEC): Genericize.
3768 (ASM_FILE_START): Emit .arch if using more than the base insn set.
3769 (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
3770 (SDB_DEBUGGING_INFO): Remove; gas can't handle it.
3771 (HANDLE_SYSV_PRAGMA): Define.
3772 * alpha/osf.h: New file.
3773 * alpha/linux.h: Split. Retain file-format independant defines.
3774 Import Linux bits from elf.h.
3775 (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
3776 (FUNCTION_PROFILER): _mcount takes its address in $28.
3777 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
3778 * alpha/linux-ecoff.h: New file.
3779 * alpha/linux-elf.h: New file.
3780 * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
3781 * alpha/win-nt.h (TARGET_DEFAULT): Define.
3782 * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
3783 Add new headers as appropriate.
3785 * configure.in (alpha*): Enable Haifa by default.
3786 (*-*-winnt3*): Change to winnt*, since we're not v3 specific.
3787 * configure: Rebuild.
3789 Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com>
3791 * Makefile.in (clean): Remove the stages with their objects here ...
3792 (distclean): ... instead of here.
3794 Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3796 * cse.c (rtx_cost): Add default case in enumeration switch.
3797 * fix-header.c (recognized_macro): Likewise.
3798 (recognized_extern): Likewise.
3799 (write_rbrac): Likewise.
3800 * objc/objc-act.c (encode_aggregate): Likewise.
3801 (gen_declarator): Likewise.
3802 (gen_declspecs): Likewise.
3804 Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com)
3806 * haifa-sched.c (create_reg_dead_note): Detect and handle another
3807 case where we kill more regs after sched than were killed before
3809 * sched.c (create_reg_dead_note): Similarly.
3811 Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com)
3813 * c-pragma.c: Include flags.h.
3815 Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu>
3817 * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything
3818 about system headers.
3819 (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32
3820 and also to resolve symbols in prefix.c.
3822 * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict
3823 between gansidecl.h and newlib's _ansi.h when building libgcc2.a,
3824 when the definitions in auto-config.h is not visible.
3825 (HAVE_BZERO): Likewise.
3826 (HAVE_BCMP): Likewise.
3827 (HAVE_RINDEX): Likewise.
3828 (HAVE_INDEX): Likewise.
3830 Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com)
3832 * pa.c (emit_move_sequence): Handle a function label source
3835 Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com
3837 * c-pragma.c (handle_pragma_token): Generate warning messages
3838 about unknown pragmas if warn_unknown_pragmas is set.
3840 * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
3841 line option to set variable: warn_unknown_pragmas.
3843 Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de>
3845 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the
3847 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'.
3849 Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com)
3851 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define.
3852 (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to
3853 generate more fine grained floating point emulation libraries.
3854 * config/fp-bit.c: Add protecting #ifdef to all functions so
3855 that they can be compiled separately. If !FINE_GRAINED_LIBRARIES,
3856 then compile all suitable functions.
3857 (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two
3858 underscores to avoid namespace pollution.
3859 * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c
3861 * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
3865 Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3866 Jeff Law <law@cygnus.com>
3868 * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
3870 * c-decl.c (finish_decl): Use parentheses around && within ||.
3871 * rtl.c: Include stdlib.h.
3872 (read_skip_spaces): Add parentheses around assignments used as
3874 (read_rtx): Initialize list_rtx.
3875 * cppexp.c (parse_number): Use || when operands are truth values.
3876 * alias.c (find_base_value): Add default case.
3877 (memrefs_conflict): Likewise.
3878 * combine.c (sets_function_arg_p): Likewise.
3879 * genemit.c (gen_exp): Likewise.
3880 * local-alloc.c (contains_replace_regs): Likewise.
3881 * rtlanal.c (jmp_uses_reg_or_mem): Likewise.
3882 * fold-const.c (fold_convert): Use "&&" for truth values.
3883 (fold): Add default case.
3884 * sdbout.c (sdbout_field_types): Fix typo in declaration.
3885 (sdbout_one_type): Add default case.
3886 * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
3887 (some_operand): Add default case.
3888 (input_operand): Likewise.
3889 (signed_comparison_operator): Likewise.
3890 (divmod_operator): Likewise.
3891 (alpha_set_memflags_1): Likewise.
3892 * reload1.c (reload_cse_simplify_operands): Ensure function
3893 always returns a value.
3894 * scan-decls.c (scan_decls): Likewise.
3895 * c-lex.c (skip_white_space): Fix typo in declaraion.
3896 * c-typeck.c (comp_target_types): Add parentheses around assignment
3897 used as truth value.
3898 (print_spelling): Likewise.
3899 (constructor_implicit, constructor_result): Remove unused variables.
3900 * collect2.c (scan_library): Protect prototype with
3901 #ifdef SCAN_LIBRARIES.
3902 * emit-rtl.c (find_line_note): Fix typo in declaration.
3903 * final.c (asm_insn_count): Protect prototype with
3904 #ifdef HAVE_ATTR_length.
3905 * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
3906 (try_pre_increment_1, try_pre_increment): Likewise.
3907 * regclass.c (auto_inc_dec_reg_p): Protect prototype with
3908 #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit.
3909 * gcov-io.h (__store_long, __write_long, __read_long): Fix
3910 unsigned/signed comparisons.
3911 * gcov.c (read_files): Remove unused "first_type" variable.
3912 (scan _for_source_files): Initialize s_ptr.
3913 (function_summary): Eliminate "%lf" formatting, use %ld for
3915 (output_data): Initialize branch_probs and last_line_num.
3916 Eliminate "%lf" formatting, use "%ld" for longs.
3918 Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com>
3920 * mips16.S: New file.
3922 * libgcc2.c (varargs): Handle mips16.
3924 * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
3926 * stmt.c (expand_end_case): Likewise.
3927 * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
3928 * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
3929 * rs6000.h, sh.h, tahoe.h, v850.h, vax.h: Likewise.
3931 Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3933 * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in
3934 the build directory.
3935 (libobjc.a): Update dependency list.
3936 (libobjc.dll): Likewise. Use libobjc_entry.o from the build
3938 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h.
3939 (objc.mostlyclean): Remove runtime-info.h.
3941 Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com>
3943 * tree.c (build_range_type): Allow creation of ranges with no maximum.
3944 * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE.
3945 * dwarf2out.c (add_subscript_info): Likewise.
3946 * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise.
3947 * sdbout.c (plain_type_1): Likewise.
3948 * stmt.c (pushcase_range, all_cases_count, node_has_high_bound):
3950 * fold-const.c (int_const_binop, fold_convert, make_range, fold):
3953 Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3955 * mips.c (fatal): Remove declaration.
3957 1997-12-18 Mark Mitchell <mmitchell@usa.net>
3959 * integrate.c (get_label_from_map): New function.
3960 (expand_inline_function): Use it. Initialize the label_map to
3961 NULL_RTX instead of gen_label_rtx.
3962 (copy_rtx_and_substitute): Use get_label_from_map.
3963 * integrate.h (get_label_from_map): New function.
3964 (set_label_from_map): New macro.
3965 * unroll.c (unroll_loop): Use them.
3966 (copy_loop_body): Ditto.
3968 Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com>
3970 * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined.
3971 (INIT_TARGET_OPTABS): Define.
3972 * mips/ecoff.h: Include gofast.h before mips.h.
3973 (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS.
3974 * mips/elf64.h: Likewise.
3975 * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define.
3977 Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com>
3979 * except.c: Remove register_exception_table{,_p}.
3981 Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com>
3983 * unroll.c (calculate_giv_inc): Handle constant increment found in
3984 a MEM with an appropriate REG_EQUAL note.
3986 * calls.c (expand_call): Implement LOAD_ARGS_REVERSED.
3988 * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the
3989 frame pointer in the prologue.
3991 Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com>
3993 * i386/x-sco5 (CLIB) Deleted. (ALLOCA) Added.
3994 * i386/xm-sco5.h (USE_C_ALLOCA) Added.
3996 Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com>
3998 * config/m68k/m68k.c (output_function_prologue): Typecast
3999 dwarf2out_cfi_label to (char *).
4000 * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "".
4002 Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com>
4004 * sparc.md (jump): Don't use the annul bit around an empty loop.
4005 Patch from Kevin.Kelly@East.Sun.COM.
4007 Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com)
4009 * jump.c: (jump_optimize): Don't use the return register as a
4010 source1 of a conditional move.
4012 Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com>
4014 * sparc.c (DF_MODES): Or the mask not the bit number.
4015 (function_arg) [ARCH64]: Send unprototyped arg to fp reg first.
4017 Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
4019 * combine.c (force_to_mode): return immediately if operand is a CLOBBER.
4021 Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de>
4023 * fixincludes (size_t): Add support for Motorola's stdlib.h
4024 which fails to provide a definition for size_t.
4025 (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3.
4026 (strlen,strspn,strcspn return value): Handle different layout on sysV88.
4027 (hypot): Provide a fake for hypot for m88k-motorola-sysv3.
4029 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
4030 prevent unresolved externals in libio.
4031 * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise.
4033 Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org)
4035 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
4036 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
4037 (LIB_SPEC): Updated for glibc 2.
4039 Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com)
4041 * ginclude/stdarg.h: Undo BeOS changes, they break hpux.
4042 * ginclude/varargs.h: Likewise.
4044 Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com)
4046 * version.c: Bump for snapshot.
4048 Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org)
4050 * frame.h (__register_frame, __register_frame_table,
4051 __deregister_frame): New.
4052 * frame.c (__register_frame, __register_frame_table,
4053 __deregister_frame): New.
4054 * frame.c (__deregister_frame_info): Return void *.
4055 * frame.h (__deregister_frame_info): Ditto.
4056 * collect2.c (__deregister_frame_info): Ditto.
4058 Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com>
4060 * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG.
4062 Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com>
4064 * alpha.c (alpha_cpu_name): New variable.
4065 (alpha_mlat_string): Likewise.
4066 (alpha_memory_latency): Likewise.
4067 (override_options): Handle -mmemory-latency.
4068 (alpha_adjust_cost): Adjust load cost for latency.
4069 * alpha.h (TARGET_OPTIONS): Add meory-latency.
4070 (REGISTER_MOVE_COST): Define in terms of memory_latency. Take
4071 TARGET_CIX into account.
4072 (MEMORY_MOVE_COST): Define in terms of memory_latency.
4073 * invoke.texi (DEC Alpha Options): Document -mmemory-latency.
4075 * alpha.h (ASM_COMMENT_START): New macro.
4077 Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com>
4079 * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c,
4080 dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change.
4082 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
4083 SUBREG_REG if the word count is unchanged.
4084 * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve
4085 subregs of identical word size for push_reload.
4087 Mon Dec 15 Mark Mitchell <mmitchell@usa.net> 11:41:32 1997
4089 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
4090 if all we're doing is dealing with -Wreturn-type.
4092 Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com>
4094 * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2):
4095 Use and 255 instead of zapnot 1, since it schedules better.
4097 Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com)
4099 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
4102 Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com)
4104 * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on
4105 dependency we delete. Properly update prev for multiple consecutive
4107 (priority): Skip deleted dependence.
4109 Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com>
4111 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod.
4113 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
4115 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
4116 determining when a new basic block starts.
4118 * alpha/osf2or3.h (LIB_SPEC): Restore missing defn.
4120 * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS.
4121 * pa.md (iorsi3): Add missing args to *_operand calls.
4123 * except.c (call_get_eh_context): Don't mess with sequences.
4124 (emit_eh_context): Include the call in the sequence here.
4126 1997-12-11 Paul Eggert <eggert@twinsun.com>
4128 * collect2.c (write_c_file_glob): Allocate initial frame object
4129 in static storage and pass its address.
4131 Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com>
4133 * except.c (call_get_eh_context): Don't take a parm.
4134 Put the call at the top of the function.
4135 (emit_eh_context): Adjust.
4136 (get_eh_context): Replace with former use_eh_context.
4137 (get_eh_context_once, get_saved_pc_ref): Remove.
4138 (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove.
4140 * integrate.c (expand_inline_function): Adjust.
4141 * toplev.c (rest_of_compilation): Don't call emit_unwinder.
4143 Fri Oct 10 17:58:31 CEST 1997 Marc Lehmann <pcg@goof.com>
4145 * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define.
4146 (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise.
4148 Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de>
4150 * fixincludes (strlen,strspn,strcspn return value): Handle different
4152 (hypot): Provide a fake for hypot which is broken on
4153 m88k-motorola-sysv3.
4155 Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu>
4157 * tree.c, tree.h: Change tree_code_type, tree_code_length, and
4158 tree_code_name from pointers to arrays.
4159 * tree.c: Remove standard_tree_code_* variables, no longer used.
4160 * print-tree.c: Remove declaration of tree_code_name.
4162 * cp/lex.c (init_lex): Update for tree_code_* changes.
4163 * objc/objc-act.c (init_objc): Likewise.
4165 * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code
4168 Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com>
4170 * config.sub: Add support for BeOS target.
4171 * configure.in: Likewise.
4172 * ginclude/stdarg.h: Likewise.
4173 * ginclude/stddef.h: Likewise.
4174 * ginclude/varargs.h: Likewise.
4175 * rs6000/beos.h: New file for BeOS.
4176 * rs6000/t-beos: Likewise.
4177 * rs6000/x-beos: Likewise.
4178 * rs6000/xm-beos.h: Likewise.
4179 * toplev.c (get_run_time): Just return 0 on BeOS.
4181 Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com)
4182 Toon Moene (toon@moene.indiv.nluug.nl)
4184 * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly
4185 old and broken Sun3 assemblers. Newer versions handle large
4186 offsets correctly as does the GNU assembler.
4188 Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4190 * objc/objc-act.c (lang_report_error_function): Disable.
4191 * objc/objc-parse.y: Include "output.h".
4192 (yyerror): Remove redundant decl.
4193 (yyprint): Fix prototype.
4194 (apply_args_register_offset): Remove redundant decl.
4195 (get_file_function_name): Likewise.
4197 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
4199 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
4201 (find_basic_blocks_1): Likewise.
4203 Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com>
4205 * except.c (use_eh_context): Don't copy_rtx a REG.
4206 (emit_throw): Lose old unwinder support.
4207 (expand_internal_throw): Likewise.
4208 * libgcc2.c (struct eh_context): Likewise.
4209 (new_eh_context): Likewise.
4210 (__get_eh_info): Lose redundant cast.
4211 (__get_dynamic_handler_chain): Likewise.
4212 (__get_saved_pc): Lose.
4213 Lose all old unwinder support code.
4215 Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com>
4217 Thread-safe EH support for pthreads, DCE threads and Solaris threads.
4219 * integrate.c (expand_inline_function): If the inline fn uses eh
4220 context, make sure that the current fn has one.
4221 * toplev.c (rest_of_compilation): Call emit_eh_context.
4222 * except.c (use_eh_context): New fn.
4223 (get_eh_context_once): New fn.
4224 (call_get_eh_context): New fn.
4225 (emit_eh_context): New fn.
4226 (get_eh_context): Call either get_eh_context_once or
4227 call_get_eh_context, depending on what we have.
4228 (get_dynamic_handler_chain): Call get_eh_context_once.
4229 * except.h: Prototypes for fns above.
4230 * optabs.c (get_eh_context_libfunc): Removed.
4231 (init_optabs): Don't initialize it.
4232 * expr.h (get_eh_context_libfunc): Removed.
4233 * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
4234 * config/pa/pa.h (CPP_SPEC): Support for -threads.
4235 * config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
4236 * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
4237 New multilib for -threads.
4238 * config/sparc/t-sol2: Added multilibs for -threads and
4239 made -pthreads alias to it.
4240 * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
4241 Added -threads and -pthreads options.
4242 * libgcc-thr.h: New file.
4243 * libgcc2.c: (__get_cpp_eh_context): Removed.
4244 (struct cpp_eh_context): Removed.
4245 (struct eh_context): Replaced cpp_eh_context with generic language
4247 (__get_eh_info): New function.
4248 (__throw): Check eh_context::info.
4250 * libgcc2.c: Include libgcc-thr.h.
4251 (new_eh_context, __get_eh_context,
4252 eh_pthread_initialize, eh_context_initialize, eh_context_static,
4253 eh_context_specific, eh_context_free): New functions.
4254 (get_eh_context, eh_context_key): New variables.
4255 (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
4256 get_eh_context to get the context.
4257 (longjmp): Move the declaration inside
4258 #ifdef DONT_USE_BUILTIN_SETJMP.
4259 * frame.c: Include libgcc-thr.h.
4260 (object_mutex): Mutex to protect the object list.
4261 (find_fde, __register_frame, __register_frame_table,
4262 __deregister_frame): Hold the lock while accessing objects.
4263 * except.h (get_eh_context): Declare.
4264 * except.c (current_function_ehc): Define.
4265 (current_function_dhc, current_function_dcc): Removed.
4266 (get_eh_context): New function.
4267 (get_dynamic_handler_chain): Use get_eh_context.
4268 (get_saved_pc_ref): Ditto.
4269 (get_dynamic_cleanup_chain): Removed references to
4270 current_function_dcc.
4271 (save_eh_status, restore_eh_status): Save and restore
4272 current_function_ehc instead.
4273 * optabs.c (get_eh_context_libfunc): New variable.
4274 (init_optabs): Initialize it.
4275 * expr.h: Declare get_eh_context_libfunc.
4276 * function.h (struct function): Replaced dhc and dcc with ehc.
4277 * except.c (get_saved_pc_ref): New functions.
4278 (eh_saved_pc_rtx, eh_saved_pc): Deleted.
4279 (expand_internal_throw_indirect): Use get_saved_pc_ref() instead
4281 (end_eh_unwinder): Likewise.
4282 (init_eh): Remove initialization of eh_saved_pc.
4283 * optabs.c (get_saved_pc_libfunc): New variable.
4284 (init_optabs): Initialize it.
4285 * expr.h: Declare get_saved_pc_libfunc.
4286 * except.h (eh_saved_pc_rtx): Deleted.
4287 (get_saved_pc_ref): Declared.
4289 From Scott Snyder <snyder@d0sgif.fnal.gov>:
4290 * libgcc2.c (__get_saved_pc): New.
4291 (__eh_type, __eh_pc): Deleted.
4292 (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
4293 (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
4296 Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu>
4298 * sparc/sol2.h: Use 64 bit multiply and divide functions in
4299 Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE
4302 * rtl.h (global_rtl): New variable, replacing separate variables for
4304 (const_int_rtx): Now array of rtx_def, not rtx.
4305 * emit-rtl.c: Update for new rtl data structures.
4306 * genattrtab.c: Define global_rtl.
4308 Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu>
4310 * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by
4313 Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com>
4315 * crtstuff.c (__do_global_ctors): Fix typo.
4317 Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de>
4319 * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
4320 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
4322 Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu>
4324 * rs6000.h (FUNCTION_ARG_PADDING): Define.
4325 * rs6000.c (function_arg_padding): New function.
4327 Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de>
4329 * m68k.c: Include tree.h only once.
4331 Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4333 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
4335 Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com)
4337 * Partially cleaned up prototyping code from HJ.
4338 * tree.h: Add many prototypes.
4339 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
4340 All references changed.
4341 * rtl.h: Protect from multiple inclusions. Add many prototypes.
4343 Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com>
4345 * libgcc2.c (string.h): Hoist inclusion to occur before first use of
4346 string functions like strlen.
4348 Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de>
4350 * configure.in: Check for functions getrlimit and setrlimit.
4351 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
4352 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
4354 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
4356 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
4358 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
4360 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
4363 * alpha.c (override_options): Don't know about scheduling for EV6.
4364 * alpha.md (ev5 function units): Don't overload as ev6.
4366 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
4367 * alpha.md (define_attr type): Add mvi.
4368 (ev5_e0): Define sceduling parameters for it.
4369 (TARGET_MAX insns): Type is mvi not shift.
4371 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
4373 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
4375 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4377 * cstamp-h, auto-config.h: Delete.
4379 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
4381 * version.c: Bump for snapshot.
4383 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
4385 * cccp.c: Fix typo brought over in merge.
4387 * Merge in changes from gcc-2.8.
4389 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
4391 * m68k.c: Include tree.h for dwarf2out_cfi_label.
4393 * gcc.c (process_command): Do not take address of function fatal when
4394 calling lang_specific_driver.
4396 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
4398 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
4399 doesn't work with it yet, so set it to 0.
4400 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
4402 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
4404 * cse.c (cse_insn): Check for invalid entries when taking references.
4406 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4408 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
4409 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
4410 * toplev.c (rest_of_compilation): Pass it. Remove code to
4411 save / clear / restore flag_unroll_{,all_}loops.
4413 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
4415 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
4417 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
4419 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
4421 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
4423 * except.c (get_dynamic_handler_chain): Only make the call once per
4426 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
4428 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4430 * sh.c (final_prescan_insn): Use local label prefix
4431 when emitting .uses pseudo-ops.
4433 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
4435 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
4436 * except.c: Lose outer_context_label_stack.
4437 (expand_eh_region_end): Rethrow from outer_context here.
4438 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
4439 (expand_internal_throw): Take no args.
4440 (expand_internal_throw_indirect): Lose.
4441 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
4442 (expand_start_all_catch): Start a rethrow region.
4443 (expand_end_all_catch): End it.
4444 (expand_rethrow): New fn.
4445 * except.h: Reflect above changes.
4446 * flow.c: Revert change of Nov 27.
4448 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
4450 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
4452 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
4454 * except.c (expand_fixup_region_end): New fn.
4455 (expand_fixup_region_start): Likewise.
4456 (expand_eh_region_start_tree): Store cleanup into finalization here.
4457 * stmt.c (expand_cleanups): Use them to protect fixups.
4459 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
4461 * mips/mips.md (muldi3_r4000): Broaden the output template
4462 and attribute assignments to handle three operand dmult;
4463 rename to muldi3_internal2.
4464 (muldi3): Call the new muldi3_internal2 for R4000, and
4465 any GENERATE_MULT3 chip.
4467 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
4469 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
4471 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
4473 * unroll.c (find_splittable_givs): Remove last change. Handle givs
4474 with a dest_reg that was created by loop.
4476 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
4478 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
4480 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
4482 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
4484 * configure.in: Fix NCR entries.
4486 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
4488 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
4489 nested exceptions correctly.
4491 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
4492 that was created by loop.
4494 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
4496 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
4498 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
4500 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
4502 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
4503 (print_operand): Use SMALL_DATA_REG for the register involved in
4504 small data relocations.
4505 (print_operand_address): Ditto.
4507 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
4508 -dynamic linker is not used.
4510 * rs6000.md (call insns): For local calls, use @local suffix under
4511 System V. Don't use @plt under Solaris.
4513 * rs6000.c (output_function_profiler): Put label address in r0, and
4514 store LR in 4(sp) for System V/eabi.
4516 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
4517 byte boundary, and maintain stack backchain.
4519 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
4521 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
4522 fix_truncsfdi2): Change *.
4524 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
4526 * toplev.c (main): Complain about -gdwarfn.
4528 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
4530 * dwarfout.c (output_type): If finalizing, write out nested types
4531 of types we've already written.
4533 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
4535 (patches originally from Geoffrey Keating)
4536 * rs6000.c (function_arg): Excess floating point arguments don't
4537 go into GPR registers after exhausting FP registers under the
4539 (function_arg_partial_nregs): Ditto.
4541 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
4544 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
4546 * integrate.c (output_inline_function): Just unset DECL_INLINE.
4548 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
4550 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
4553 * libgcc2.c (__throw): Initialize HANDLER.
4555 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
4557 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
4558 fix_truncsfdi2): Change *X to ?*X.
4560 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
4562 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
4564 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
4566 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
4568 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
4570 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
4572 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
4574 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
4575 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
4578 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
4580 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
4581 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
4582 gas and not using the new HP assembler.
4584 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
4586 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
4587 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
4589 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
4591 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
4592 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
4595 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
4597 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
4599 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
4601 * except.h: Add outer_context_label_stack.
4602 * except.c: Likewise.
4603 (expand_start_all_catch): Push the outer_context for the try block
4604 onto outer_context_label_stack.
4605 (expand_end_all_catch): Use it and pop it.
4607 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
4609 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
4611 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
4613 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
4615 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
4617 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
4618 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
4620 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
4622 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
4623 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
4624 __builtin_delete, and __builtin_vec_delete.
4626 * except.c (output_exception_table): Don't bother with
4629 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
4631 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
4632 is an in/out operand.
4633 (zero extended variants of stwm/stwm patterns): Similarly.
4635 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
4637 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
4639 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
4641 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
4642 (output_call_frame_info): Emit a \n after using it.
4644 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
4646 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
4648 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
4650 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
4651 (ASM_OUTPUT_DWARF_VALUE4): New macro.
4652 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
4654 (output_call_frame_info): Do not output forward label differences
4655 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
4656 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
4658 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4660 * sh.md (attribute "type"): Add nil.
4661 (movsi_ie): y/y alternative is type nil.
4662 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
4664 (movsf_ie+1): Delete.
4666 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
4668 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
4669 large_int, emit two insns instead of one splitable insn.
4670 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
4671 from cfa_temp_value, use cfa_offset. Add assert checking that
4674 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
4676 * cccp.c (deps_output): Properly quote file names for make.
4678 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
4680 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
4682 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
4684 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
4686 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
4688 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
4690 (cse_end_of_basic_block): Similarly.
4692 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
4694 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
4695 (SELECT_RTX_SECTION): Define.
4696 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
4698 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
4700 * Makefile.in (compare, compare-lean): Define $stage for each
4702 (gnucompare, gnucompare-lean): Likewise.
4704 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
4706 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
4708 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
4709 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
4711 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
4713 * dwarfout.c (byte_size_attribute): Add local var upper_bound
4714 and add case to handle STRING_TYPE.
4715 * dwarfout.c (output_string_type_die): Fix code to generate
4716 correct string length attribute for fixed length strings.
4717 Still needs support for varying length strings.
4719 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
4721 * toplev.c (get_run_time): Do something sensible for cygwin32.
4723 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
4725 * expr.c (expand_builtin_setjmp): Set
4726 current_function_has_nonlocal_label.
4727 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
4728 call-saved registers across calls.
4730 * alpha.md (exception_receiver): Remove.
4731 (nonlocal_goto_receiver_osf): New
4732 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
4733 (nonlocal_goto_receiver): New, select _osf or _vms.
4735 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
4736 keep them from being propogated to the object file.
4737 (alpha_write_linkage): Likewise.
4738 * alpha.md (call_vms): Likewise.
4739 (call_value_vms): Likewise.
4740 (unnamed osf call insns): Likewise.
4742 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
4743 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
4745 * alpha.c (call_operand): Any reg is valid for WinNT.
4746 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
4747 (anon nt calls): Add 'R' alternative.
4748 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
4749 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
4751 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
4753 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
4755 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
4756 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
4757 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
4759 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
4761 * reload1.c (new_spill_reg): Improve fixed or forbidden register
4762 spill error message.
4764 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4766 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
4767 use varargs.h. Wrap header with <>, not "".
4769 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
4771 * integrate.c (save_for_inline_copying): Add return value from
4774 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
4776 * fixincludes: Be a little more restrictive on what we will
4777 substitute to replace definitions of MAXINT for HPUX.
4779 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
4781 * dbxout.c (dbxout_symbol_location): Don't assume that variables
4782 whose address is the stack or argument pointers are indirect
4785 1997-11-13 Paul Eggert <eggert@twinsun.com>
4787 * cccp.c, cpplib.c (compare_defs):
4788 Don't complain about arg name respellings unless pedantic.
4789 * cpplib.c (compare_defs): Accept pfile as new arg.
4790 All callers changed.
4792 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4794 * fold-const.c (fold_truthop): Fix bug in last change.
4796 1997-11-13 Paul Eggert <eggert@twinsun.com>
4798 Fix some confusion with IEEE minus zero.
4800 * real.h (REAL_VALUES_IDENTICAL): New macro.
4802 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
4803 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
4805 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
4806 same tree structure as 0.0.
4808 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
4809 macro instead of doing it by hand.
4811 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
4813 * v850/lib1funcs.asm: Minor whitespace changes.
4814 * v850.c: Fix minor formatting problems in many places.
4815 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
4817 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
4819 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
4820 xplus1 when xplus0 is not a register.
4822 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
4824 * flow.c (find_basic_blocks): During marking phase, if we encounter
4825 an insn with a REG_LABEL note, make the target block live and
4826 create an edge from the insn to the target block. Do not make
4827 edges from all blocks to the target block.
4829 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
4831 * confiugre.in: Tweak NCR entries.
4832 * configure: Rebuilt.
4834 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
4836 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
4837 pick apart floating point values, instead of using CONST_DOUBLE_LOW
4838 and CONST_DOUBLE_HIGH.
4840 * rs6000.md (define_splits for DF constants): Use the appropriate
4841 REAL_VALUE_* interface to pick apart DF floating point constants in
4842 a machine independent fashion.
4844 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4846 * fold-const.c (fold_truthop): When changing a one-bit comparison
4847 against zero into a comparison against mask, do a proper sign
4850 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
4852 * except.c: Do not include "assert.h".
4853 (save_eh_status): Turn asserts into conditional aborts.
4854 (restore_eh_status, scan_region): Likewise.
4855 * dwarfout.c: Do not include "assert.h".
4856 (bit_offset_attribute): Turn asserts into conditional aborts.
4857 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
4858 (output_inlined_structure_type_die): Likewise.
4859 (output_inlined_union_type_die): Likewise
4860 (output_tagged_type_instantiation): Likewise.
4861 (dwarfout_file_scope_decl): Likewise.
4862 * dwarf2out.c: Do not include "assert.h"
4863 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
4864 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
4865 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
4866 (add_bit_size_attribute, scope_die_for): Likewise.
4867 (output_pending_types_for_scope): Likewise.
4868 (get_inlined_enumeration_type_die): Likewise.
4869 (get_inlined_structure_type_die): Likewise.
4870 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
4871 (gen_tagged_type_instantiation_die): Likewise.
4873 * flow.c (find_basic_blocks): Refine further to get a more correct
4874 cfg, especially in the presense of exception handling, computed
4875 gotos, and other non-trivial cases. Call abort if an inaccuracy
4876 is detected in the cfg.
4878 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4880 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
4882 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
4883 (skip_white_space): Use whitespace_cr.
4884 (check_newline): Handle whitespace more consistently.
4886 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
4888 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
4889 * i386/xm-cygwin32.h (POSIX): Define.
4891 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
4893 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
4894 is available elsewhere.
4896 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
4898 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
4899 what the instruction can handle.
4901 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
4903 * stmt.c (expand_decl_cleanup_no_eh): New fn.
4905 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
4907 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
4909 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
4910 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
4912 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
4914 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
4915 swap instruction order.
4917 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
4919 * fixinc.svr4 (__STDC__): Add another case.
4921 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4923 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
4924 addresses in the epilogue delay slot.
4926 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
4928 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
4929 in generated `specs' file.
4931 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
4933 * flags.h (flag_rerun_loop_opt): Declare.
4934 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
4935 * toplev.c (flag_rerum_loop_opt): Delete static.
4937 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4939 Bring over from FSF:
4941 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4943 * va-sh.h (__va_arg_sh1): Define.
4945 SH3E doesn't use any integer registers for subsequent arguments
4946 once a non-float value was passed in the stack.
4947 * sh.c (machine_dependent_reorg): If optimizing, put explicit
4948 alignment in front label for ADDR_DIFF_VEC.
4949 * sh.h (PASS_IN_REG_P): Fix SH3E case.
4950 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
4952 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4954 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
4957 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4959 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
4960 put an use_sfunc_addr before each sfunc.
4961 * sh.md (use_sfunc_addr, dummy_jump): New insns.
4962 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
4964 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4966 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
4968 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
4970 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
4973 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
4975 * alias.c (find_base_value): Only return the known base value for
4978 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
4980 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
4981 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
4983 (prologue_get_pc_and_set_got): New pattern.
4985 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
4987 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
4988 for SUBREG, just fall through.
4990 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
4992 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
4994 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
4996 * fixincludes: Fix "hypot" prototype in NeXT math.h.
4998 * Makefile.in (USE_ALLOCA): Always include alloca.o.
4999 (USE_HOST_ALLOCA): Likewise.
5001 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
5002 and LABEL_REFS fields.
5003 * rtl.h (LABEL_REFS): Update.
5005 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
5007 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
5008 sets i2dest. When calling distribute_notes for i3dest_killed, pass
5009 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
5012 * mips.md (insv, extzv, extv): Add change_address call.
5013 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
5015 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
5017 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
5019 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
5020 save_restore_insns if no FP and GP will be restored.
5022 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
5023 Convert CCmode to word_mode before calling GET_MODE_SIZE.
5025 * acconfig.h (HAVE_INTTYPES_H): Undef.
5026 * configure.in (inttypes.h): Check for conflicts between sys/types.h
5027 and inttypes.h, and verify that intmax_t is defined.
5028 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
5029 * config/mips/x-iris3: Likewise.
5031 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
5033 * alias.c (find_base_value): When copying arguments, return the
5034 tenative value for a hard register.
5036 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
5038 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
5039 (yylex): Record wide strings using target endianness, not host.
5041 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
5043 * mn10200.h (ASM_OUTPUT_BSS): Delete.
5044 (ASM_OUTPUT_ALIGNED_BSS): New macro
5045 * mn10300.h (ASM_OUTPUT_BSS): Delete.
5046 (ASM_OUTPUT_ALIGNED_BSS): New macro.
5047 * v850.h (ASM_OUTPUT_BSS): Delete.
5048 (ASM_OUTPUT_ALIGNED_BSS): New macro.
5050 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5052 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
5054 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
5056 * configure.in (sco5): Use cpio to install header files.
5058 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
5060 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
5062 * configure: Rebuild.
5064 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
5066 * i386/sco5.h: enable -gstabs once again.
5068 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
5070 * arm.c (output_move_double): Allocate 3 entries in otherops array.
5072 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
5074 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
5075 notes for sjlj exceptions too.
5076 (expand_eh_region_end): Similarly for EH_REGION_END notes.
5077 (exception_optimize): Optimize EH regions for sjlj exceptions too.
5078 * final.c (final_scan_insn): Don't output labels for EH REGION
5079 notes if doing sjlj exceptions.
5081 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
5083 * alias.c (init_alias_analysis): Handle -fno-alias-check when
5084 optimizing correctly.
5086 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
5087 or set current_function_calls_setjmp anymore.
5089 * flow.c (find_basic_blocks): If we delete the label for an
5090 exception handler, remove it from the EH label list and remove
5091 the EH_BEGIN/EH_END notes for that EH region.
5093 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
5095 * flow.c (find_basic_blocks): Generate correct flow control
5096 information when exception handling notes are present.
5098 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
5100 * dwarf2out.c (output_call_frame_info): Fix length argument
5101 to ASM_OUTPUT_ASCII.
5102 (output_die, output_pubnames, output_line_info): Likewise.
5104 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
5106 * version.c: Bump for snapshot.
5108 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
5109 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
5110 flag_debug_asm is on.
5111 (output_die, output_pubnames, output_line_info): Likewise.
5113 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
5114 and static_chain_rtx into the potential base values array if
5117 * alias.c (new_reg_base_value): New array of potential base values.
5118 (unique_id): Now file scoped static.
5119 (find_base_value, case REG): Return the value in reg_base_value
5120 array for the REG if it exists. Else, return the value from
5121 new_reg_base_value if copying args and REG is a hard register.
5122 (find_base_value, case PLUS): If either operand of the PLUS is
5123 a REG, try to get its base value. Handle base + index and
5125 (record_set): Use new_reg_base_value instead of reg_base_value.
5126 (init_alias_analysis): Allocate space for new_reg_base_value too.
5127 Rework code to iterate over the insns propagating base value
5128 information until nothing changes.
5130 * global.c (global_alloc): Free the conflict matrix after
5131 reload has finished.
5133 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
5135 * libgcc2.c (L_eh): Define __eh_pc.
5136 Replace __eh_type with generic pointer __eh_info.
5138 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
5140 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
5141 use copy_to_reg if address is not a general_operand.
5143 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5145 * profile.c (output_func_start_profiler): Clear flag_inline_functions
5146 for the duration of the call to rest_of_compilation.
5148 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
5150 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
5152 (sparc*-*-*): Recognize --with-cpu=v9.
5153 * sparc/elf.h: New file.
5154 * sparc/t-elf: New file.
5156 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
5158 * mn10300.c (const_8bit_operand): New function.
5159 (mask_ok_for_mem_btst): New funtion.
5160 * mn10300.md (btst patterns with mem operands): Use new functions
5161 to avoid creating btst instructions with invalid operands.
5163 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
5165 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
5166 are running on PowerPC Linux.
5168 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
5170 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
5171 if not previously defined.
5173 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
5175 * function.c (assign_parms): Correct mode of stack_parm if
5176 entry_parm underwent a mode conversion.
5178 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
5180 * global.c (global_alloc): Use xmalloc instead of alloca for
5181 CONFLICTS, since max_allocno * allocno_row_words alone can be more
5182 than 2.5Mb sometimes.
5184 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
5186 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
5187 DEST for the spill, adjust mode of SRC to compensate.
5189 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
5191 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
5192 since any_memory_operand() allows pseudos during reload.
5193 (reload_inhi, reload_outqi, reload_outhi): Likewise.
5195 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
5197 * m68k.md (btst patterns): Add 5200 support.
5199 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
5201 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
5202 optimizations, look inside dividend to determine if the expression
5203 can be simplified by using EXACT_DIV_EXPR.
5205 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
5208 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
5210 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
5212 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
5214 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
5216 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
5219 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
5221 * alpha.md (movqi, movhi): Make sure new insns created during reload
5222 won't need reloading themselves.
5223 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
5225 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
5227 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
5229 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
5231 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
5232 Patch from Klaus Kaempf <kkaempf@progis.de>.
5234 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
5236 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
5237 to an element in a constant string.
5239 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
5241 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
5242 bit PC-relative offset. The exception range table pointer is now in
5244 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
5245 (count_fdes, add_fdes, get_cie): Adjust.
5246 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
5249 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
5251 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
5253 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
5254 like stack_pointer_rtx.
5256 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
5258 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
5259 targets using "$@" to provide support for similar but not identical
5260 targets without having to duplicate code.
5261 (bootstrap4): New goal.
5263 * Makefile.in (compare, compare-lean, compare3): Combined to one
5264 ruleset determining actions to be performed via $@.
5265 (compare4, compare4-lean): New targets.
5266 (gnucompare, gnucompare3): Combined to one ruleset determining
5267 actions to be performed via $@. Also, note which files failed
5268 the comparison test in .bad_compare.
5269 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
5271 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
5273 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
5274 if the dividend is a multiple of the divisor.
5276 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
5278 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
5280 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
5283 * alias.c (true_dependence): Fix typo.
5285 * toplev.c (flag_rerun_loop_opt): New variable.
5286 (f_options): Handle -frerun-loop-opt.
5287 (rest_of_compilation): If -frerun-loop-opt, then run the loop
5289 (main): Enable -frerun-loop-opt by default for -O2 or greater.
5291 * loop.c (simplify_giv_expr): Adding two invariants results
5294 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
5296 * expr.c (get_inner_reference): Remove the array bias after
5297 converting the index to Pmode.
5299 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
5301 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
5302 (TARGET_MULT_BUG): Define.
5303 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
5304 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
5306 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
5308 * mn10200.c (indirect_memory_operand): Delete unused function.
5309 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
5310 * mn10200.md (bset, bclr insns): Handle output in a reg too.
5312 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
5314 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
5315 the callee's ldgp, we must do it ourselves, and we use the jsr tag
5316 for more than scheduling.
5318 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
5320 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
5322 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
5324 * mn10300.c (symbolic_operand, legitimize_address): New functions.
5325 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
5326 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
5328 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
5330 * version.c: Bump for snapshot.
5332 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5334 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
5337 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
5339 * toplev.c (flag_exceptions): Default value is 2.
5340 (compile_file): If flag_exceptions still has the value 2, then
5343 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
5344 (rs6000_save_machine_status): Save pic_offset_table_rtx.
5345 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
5347 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
5350 * rs6000.md (*movsi_got_internal_mem): New pattern.
5351 (*movsi_got_internal_mem splitter): New define_split.
5353 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
5355 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
5357 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
5359 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
5360 only need to save LR.
5362 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
5364 * mn10300.md (movqi, movhi): Avoid using address registers as
5365 destinations unless absolutely necessary.
5367 * mn10200.c (expand_prologue): Fix typo.
5369 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
5371 * mn10200.md (neghi2): Provide an alternative which works if
5372 the input and output register are the same.
5374 * mn10300.c (print_operand): Handle 'S'.
5375 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
5376 shift amount in last alternative
5378 * mn10300.c (expand_epilogue): Rework to handle register restores
5379 in "ret" and "retf" instructions correctly.
5381 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
5383 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
5384 extzv for memory operands.
5386 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
5387 redundant conditional moves to single operand.
5389 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
5391 * v850.h: Move define of __v850__ from CPP_PREDEFINES
5394 * xm-v850.h: Use __v850 rather than __v850__ to
5397 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
5399 * mips/mips.c (compute_frame_size): Not a leaf function if
5402 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
5404 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
5406 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
5408 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
5409 (DEFAULT_ARCH32_P): New macro.
5410 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
5411 (enum cmodel): Declare.
5412 (sparc_cmodel_string,sparc_cmodel): Declare.
5413 (SPARC_DEFAULT_CMODEL): Provide default.
5414 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
5415 (TARGET_FULLANY): Deleted.
5416 (TARGET_CM_MEDMID): New macro.
5417 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
5418 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
5419 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
5420 (CPP_SPEC): Rewrite.
5421 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
5422 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
5423 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
5424 (ASM_SPEC): Add %(asm_arch).
5425 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
5426 Rename asm_default to asm_cpu_default.
5427 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
5428 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
5429 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
5430 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
5431 (MASK_INT64,MASK_LONG64): Delete.
5432 (MASK_ARCH64): Renamed to MASK_64BIT.
5433 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
5434 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
5435 (TARGET_SWITCHES): Always provide 64 bit options.
5436 (ARCH64_SWITCHES): Delete.
5437 (TARGET_OPTIONS): New option -mcmodel=.
5438 (INT_TYPE_SIZE): Always 32.
5439 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
5440 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
5441 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
5442 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
5443 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
5445 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
5446 * sparc/linux.h: Likewise.
5447 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
5448 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
5449 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
5450 (SPARC_DEFAULT_CMODEL): Define.
5451 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
5452 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
5453 (LONG_DOUBLE_TYPE_SIZE): Define.
5454 (ASM_SPEC): Add %(asm_arch).
5455 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
5456 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
5457 (TARGET_CPU_DEFAULT): Add ultrasparc case.
5458 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
5459 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
5460 (SPARC_DEFAULT_CMODEL): Define.
5461 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
5462 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
5463 MASK_LONG64, MASK_MEDANY.
5464 (SPARC_DEFAULT_CMODEL): Define.
5465 (CPP_PREDEFINES): Delete.
5466 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
5467 (ASM_SPEC): Add %(asm_arch).
5468 (LONG_DOUBLE_TYPE_SIZE): Define.
5469 (DWARF2_DEBUGGING_INFO): Define.
5470 * sparc/splet.h (CPP_SPEC): Delete.
5471 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
5472 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
5473 (BLOCK_PROFILER): Likewise.
5474 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
5475 (sparc_override_options): Handle code model selection.
5476 (sparc_init_expanders): Renamed from sparc64_init_expanders.
5477 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
5478 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
5479 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
5480 (sethi_di_fullany): Delete.
5482 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
5483 Jeff Law <law@cygnus.com>
5484 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5486 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
5487 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
5488 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
5489 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
5490 * alpha/alpha.md (arg_home): Likewise.
5492 * alpha/alpha.c (vmskrunch): Delete
5493 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
5494 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
5495 truncate to 64 characters.
5497 * make-l2.com: Support openVMS/Alpha.
5499 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
5501 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5503 * longlong.h (count_leading_zeros): Add missing casts to USItype.
5505 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
5507 * i386/bsd386.h (ASM_COMMENT_START): Define.
5509 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
5511 * tree.c (restore_tree_status): Also free up temporary storage
5512 when we finish a toplevel function.
5513 (dump_tree_statistics): Print stats for backend obstacks.
5515 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
5517 * expr.c (use_group_regs): Don't call use_reg for MEMs.
5519 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
5521 * libgcc2.c (__throw): Don't copy the return address.
5522 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
5524 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
5525 * toplev.c (main): Initialize exceptions_via_longjmp.
5527 * tree.c: Add extra_inline_obstacks.
5528 (save_tree_status): Use it.
5529 (restore_tree_status): If this is a toplevel inline obstack and we
5530 didn't want to save anything on it, recycle it.
5531 (print_inline_obstack_statistics): New fn.
5532 * function.c (pop_function_context_from): Pass context to
5533 restore_tree_status.
5534 * obstack.h (obstack_empty_p): New macro.
5536 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
5538 * i386/freebsd.h (ASM_COMMENT_START): Fix.
5540 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
5542 * v850.c (ep_memory_offset): New function.
5543 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
5545 * v850.h (CONST_OK_FOR_*): Add and correct comments.
5546 (CONSTANT_ADDRESS_P): Add comment.
5547 (EXTRA_CONSTRAINT): Define 'U'.
5548 * v850.md: Add comments on bit field instructions.
5549 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
5550 (lshrsi3): Use N not J constraint.
5552 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
5554 * v850.c (reg_or_0_operand): Call register_operand.
5555 (reg_or_int5_operand): Likewise.
5556 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
5557 (TARGET_SWITCHES): Add "big-switch".
5558 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
5559 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
5560 (CASE_DROPS_THROUGH): Comment out.
5561 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
5562 * v850.md (cmpsi): Delete compare mode.
5563 (casesi): New pattern.
5565 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
5566 * v850.md (ashlsi3): Use SImode not QImode for shift count.
5567 (lshrsi3): Likewise.
5569 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
5570 unreachable switch statement after 'b' support. Remove "b" from
5571 strings for 'b' support.
5572 * v850.md (branch_normal, branch_invert): Change %b to b%b.
5574 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
5576 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
5577 empty line if @inhibit_libc@ is empty.
5579 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
5581 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
5582 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
5583 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
5584 (DWARF2_UNWIND_INFO): Let this track object file format.
5585 (EXTRA_SECTIONS): Add in_eh.
5586 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
5587 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
5589 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
5591 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
5592 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
5594 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
5595 (output_double_int): Output DI mode values correctly when
5596 HOST_BITS_PER_WIDE_INT is 64.
5597 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
5598 fmovd so it works if a quad float ends up in one of the upper 32
5600 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
5601 necessary for PIC support on sparc64.
5603 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
5605 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
5606 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
5607 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
5608 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
5609 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
5610 (SPARC_FP_ARG_FIRST): New macro.
5611 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
5612 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
5613 (NPARM_REGS): There are 32 fp argument registers now.
5614 (FUNCTION_ARG_REGNO_P): Likewise.
5615 (FIRST_PARM_OFFSET): Update to new v9 abi.
5616 (REG_PARM_STACK_SPACE): Define for arch64.
5617 (enum sparc_arg_class): Delete.
5618 (sparc_arg_count,sparc_n_named_args): Delete.
5619 (struct sparc_args): Redefine and use for arch32 as well as arch64.
5620 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
5621 (FUNCTION_ARG_ADVANCE): Rewrite.
5622 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
5623 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
5624 (FUNCTION_ARG_CALLEE_COPIES): Delete.
5625 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
5626 (STRICT_ARGUMENT_NAMING): Define.
5627 (doublemove_string): Declare.
5628 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
5629 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
5630 (doublemove_string): New function.
5631 (output_move_quad): Clean up some of the arch64 support.
5632 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
5633 Don't add 8 bytes of reserved space if arch64.
5634 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
5635 (init_cumulative_args): New function.
5636 (function_arg_slotno): New static function.
5637 (function_arg,function_arg_partial_nregs): New functions.
5638 (function_arg_{pass_by_reference,advance}): New functions.
5639 (function_arg_padding): New function.
5640 * ginclude/va-sparc.h: Rewrite v9 support.
5642 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
5644 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
5645 for hard regs to determine base and index registers.
5647 * reload.c (debug_reload_to_stream): New function. Specify stream
5648 into which to write debug info.
5649 (debug_reload): Modify to call debug_reload_to_stream with stderr.
5651 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
5653 * combine.c (can_combine_p): Don't combine with an asm whose
5654 output is a hard register.
5656 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
5658 * c-decl.c (start_struct): Ensure that structs with forward
5659 declarations are in fact packed when -fpack-struct is given.
5661 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
5662 we are packing a structure. This allows a structure with only
5663 bytes to be aligned on a byte boundary and have no padding on a
5666 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5668 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
5670 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
5672 * alpha.c (alpha_return_addr_rtx): New variable.
5673 (alpha_save_machine_status): New; save it.
5674 (alpha_restore_machine_status): New; restore it.
5675 (alpha_init_expanders): New; clear it.
5676 (alpha_return_addr): New; set it.
5677 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
5678 is overly conservative, so search the insns explicitly.
5679 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
5680 (alpha_sa_size [VMS && !VMS]): Likewise.
5681 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
5682 (INIT_EXPANDERS): New definition.
5684 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
5685 (output_prolog [!VMS]): Use them.
5687 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
5688 (alpha_does_function_need_gp): ... a new function. Refine the
5689 CALL_INSN test to just TYPE_JSR.
5690 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
5692 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
5694 * version.c: Bump for snapshot.
5696 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5698 * pa.c (move_operand): Respect -mdisable-indexing.
5699 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
5701 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
5703 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
5705 (umulsidi3,umulsi3_highpart): Ditto.
5706 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
5708 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
5710 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
5711 (alpha_handle_trap_shadows): ... a new function. Handle the entire
5712 function in one go. Emit RTL for trapb, instead of printf directly.
5713 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
5714 (trap_pending): Kill global variable.
5715 (output_epilog): Don't call final_prescan_insn.
5716 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
5717 * alpha.h (FINAL_PRESCAN_INSN): Remove.
5718 (MACHINE_DEPENENT_REORG): Define.
5719 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
5722 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
5724 Tune Haifa scheduler for Alpha:
5725 * alpha.h (ISSUE_RATE): Define.
5726 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
5727 EV4 adjustments to EV5.
5728 * alpha.md: Remove all scaling from function unit delays. Rework
5729 EV5 function units to match the CPU.
5730 (umuldi3_highpart): EV5 added the IMULH insn class.
5732 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
5734 * pa.c (following_call): Fail if the CALL_INSN is an indirect
5737 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
5739 * cplus-dem.c (demangle_signature): Don't look for return types on
5740 constructors. Handle member template constructors.
5742 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
5744 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
5745 * tree.h: Declare them.
5747 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
5749 * configure.in: Handle --with-newlib.
5750 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
5752 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
5754 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
5756 * config/ptx4.h: Fix typo.
5758 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
5760 * version.c: Bump for snapshot.
5762 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
5764 * aclocal.m4: Substitute INSTALL.
5765 * configure: Re-built.
5767 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
5769 * integrate.c (save_for_inline_copying): Avoid undefined pointer
5771 (expand_inline_function): Likewise.
5773 * dwarf2out.c (output_call_frame_info): Reinstate last change
5774 using flag_debug_asm check instead of flag_verbose_asm.
5776 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
5778 * dwarf2out.c (output_call_frame_info): Remove last change.
5780 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5782 * frame.c (__frame_state_for): Execute the FDE insns until the
5783 current pc value is strictly bigger than the target pc value.
5785 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
5787 * regclass.c (init_reg_modes): If we can't find a mode for the
5788 register, use the previous one.
5790 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
5792 * haifa-sched.c (print_block_visualization): Call fprintf directly,
5793 don't sprintf through an alloca'ed buffer.
5795 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
5797 * reload.c (decompose): Always initialize val.base.
5799 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
5801 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
5802 instead of aborting.
5803 * dwarf2out.c (output_call_frame_info): Call app_enable and
5804 app_disable to let GNU as accept the generated comments.
5806 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
5808 * tree.h (get_file_function_name): Add declaration.
5809 * dwarf2out.c (output_call_frame_info): No need to cast
5810 get_file_function_name call anymore.
5811 * profile.c (toplevel): Remove get_file_function_name
5813 * c-lang.c (finish_file): Ditto.
5815 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
5817 * Makefile.in (program_transform_name): Let autoconf substitute
5820 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
5822 * haifa-sched.c (schedule_block): If the first real insn in a
5823 block has any special notes attached to it, remove them.
5825 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
5827 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
5829 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
5831 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
5833 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
5835 * Makefile.in (check-g77): New test target.
5836 (CHECK-TARGETS): Add check-g77.
5838 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
5840 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
5842 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
5844 * flow.c (print_rtl_with_bb): Cast alloca return value for
5847 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
5849 * i386.h (RETURN_ADDR_RTX): New definition that works for
5850 __builtin_return_address(0) and -fomit-frame-pointer.
5852 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
5854 Bring over from FSF.
5855 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
5857 * mips.c (function_arg): Handle passing a struct
5858 containing a double in a DFmode register without the PARALLEL.
5860 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
5862 * pexecute.c: Use spawn if __CYGWIN32__.
5864 * pexecute.c: Include "config.h" first, as per autoconf manual
5865 (from Paul Eggert <eggert@twinsun.com>).
5867 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
5869 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
5870 optimisation for f/expr.o and f/stb.o.
5872 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
5874 * cse.c (this_insn_cc0_mode): Initialize.
5876 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
5878 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
5880 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
5882 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
5884 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
5885 that pair will dual-issue on the 21164 and plus+beq won't.
5886 (bne): Likewise for cmpeq+beq.
5888 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
5890 * except.c (find_exception_handler_labels): Correct argument to free.
5892 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
5894 * except.c (find_exception_handler_labels): Free LABELS when we're
5897 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
5899 * version.c: Bump for snapshot.
5901 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
5903 * flow.c (find_basic_blocks): Mark calls as potentially jumping
5906 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
5908 * configure.in: Substitute for "install" too.
5909 * configure: Rebuilt.
5911 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
5913 * Makefile.in (bootstrap-lean, compare-lean): New targets.
5915 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
5917 * alias.c (base_alias_check): Two symbols can conflict if they
5918 are accessed via AND.
5919 (memrefs_conflict_p): Likewise.
5921 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
5922 after flushing argument registers to the stack.
5924 * Makefile.in (mostlyclean): Remove .regmove files.
5926 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
5928 * libgcc2.c (__throw): Fix thinko.
5930 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
5932 * cplus-dem.c (demangle_template): Add new parameter. Handle new
5933 template-function mangling.
5934 (consume_count_with_underscores): New function.
5935 (demangle_signature): Handle new name-mangling scheme.
5937 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
5939 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
5942 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
5944 * frame.c: Remove last change.
5945 * dwarf2.h: Remove last change.
5946 * tree.h: Add declarations of DWARF2 unwind info support
5949 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
5951 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
5952 * tree.h (built_in_function): Likewise.
5953 * expr.c (expand_builtin): Likewise.
5954 * except.h: Likewise.
5955 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
5956 * libgcc2.c (copy_reg): New fn.
5959 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
5961 * c-typeck.c (build_binary_op): Warn about comparing signed vs
5962 unsigned if -W is specified and -Wno-sign-compare is not.
5963 * c-decl.c (warn_sign_compare): Initialize to -1.
5964 (c_decode_option): -Wall no longer implies -Wsign-compare.
5966 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5968 * frame.c: Include gansidecl.h for PROTO.
5969 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
5970 defined. Don't declare dwarf2out_cfi_label here.
5971 * dwarf2.h: Add declarations of DWARF2 unwind info support
5973 * m68k.c: Include dwarf2.h.
5974 (output_function_prologue): Add dwarf2 support.
5975 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
5976 (INCOMING_FRAME_SP_OFFSET): Likewise.
5978 * integrate.c (expand_inline_function): Make sure there is at
5979 least one insn that can be used as an insertion point.
5981 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
5983 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
5985 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
5987 * version.c: Bump for snapshot.
5989 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
5991 Bring over from FSF.
5993 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
5995 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
5996 (get_pc_via_rdpc): Renamed from get_pc_sp64.
5997 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
5999 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
6001 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
6002 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
6004 (sparc_align_{loops,jumps,funcs}_string): Declare.
6005 (sparc_align_{loops,jumps,funcs}): Declare.
6006 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
6007 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
6008 (STACK_BIAS): Define.
6009 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
6011 (SPARC_SETHI_P): New macro.
6012 (CONST_OK_FOR_LETTER_P): Use it.
6013 (ASM_OUTPUT_ALIGN_CODE): Define.
6014 (ASM_OUTPUT_LOOP_ALIGN): Define.
6015 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
6016 (sparc_align_{loops,jumps,funcs}): New globals.
6017 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
6019 (move_operand): Use SPARC_SETHI_P.
6020 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
6022 (arith11_double_operand): Likewise.
6023 (arith10_double_operand): Likewise.
6024 (finalize_pic): Finish sparc64 support.
6025 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
6026 64 bit constants if able.
6027 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
6028 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
6030 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
6031 (get_pc_sp32): Use for sparc64 as well.
6032 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
6033 (sethi_di_sp64_const): Likewise.
6034 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
6035 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
6036 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
6038 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
6040 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
6041 * sparc/linux.h (COMMENT_BEGIN): Likewise.
6042 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
6044 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
6046 Add sparc64 linux support.
6047 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
6048 to xm_file list on 32-bit sparc-linux.
6049 * sparc/xm-sp64.h: New file.
6050 * sparc/linux64.h: New file.
6051 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
6052 Don't include xm-sparc.h.
6053 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
6054 * glimits.h (LONG_MAX): Handle sparc64.
6056 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
6058 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
6059 * sparc.h (ASM_COMMENT_START): Define.
6060 * sparc.c (output_function_prologue): Use it.
6061 (sparc_flat_output_function_{epi,pro}logue): Likewise.
6063 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
6065 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
6066 use sparc.h's copies.
6067 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
6070 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6072 * sparc.c (dwarf2out_cfi_label): Add declaration.
6073 (save_regs, output_function_prologue): Remove cast for it.
6074 (sparc_flat_{save_restore,output_function_prologue): Likewise.
6075 ({save,restore}_regs): No longer inline.
6077 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6079 * fold-const.c (make_range): Correctly handle cases of converting
6080 from unsigned to signed type.
6082 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6084 * fold-const.c (merge_ranges): Make sure that if one range is subset
6085 of another, it will always be the second range. Correct (+,-) case to
6088 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
6090 * final.c (final_end_function): Also do dwarf2 thing if
6091 DWARF2_DEBUGGING_INFO.
6092 (final_start_function): Likewise.
6094 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
6096 * expmed.c (expand_divmod): If compute_mode is not the same as
6097 mode, handle the case where convert_modes() causes op1 to no
6098 longer be a CONST_INT.
6100 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
6101 note holding get_jump_flags() calculation to all JUMP_INSNs.
6102 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
6103 * rtl.c (reg_note_name): Add new note types.
6105 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
6107 * rtlanal.c (computed_jump_p): Fix typo in last change.
6109 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6111 * loop.c (indirect_jump_in_function_p): Return 0
6114 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
6116 * rs6000/xm-rs6000.h: Fix thinko in last change.
6117 * rs6000/xm-sysv4.h: Likewise.
6119 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
6121 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
6123 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
6125 * reg-stack.c (find_blocks): Fix thinko in last change.
6127 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6129 * m68k.c (output_function_prologue): Add dwarf2 support.
6131 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
6132 INCOMING_FRAME_SP_OFFSET): New definitions.
6134 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
6136 * combine.c (try_combine): Use NULL_RTX instead of '0' where
6137 appropriate in calls to gen_rtx().
6138 * cse.c (cse_main): Likewise.
6139 * emit-rtl.c (gen_label_rtx): Likewise.
6140 * expr.c (init_expr_once): Likewise.
6141 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
6142 sched_analyze, init_rgn_data_dependences,
6143 compute_block_backward_dependences): Likewise.
6144 * sched.c (schedule_insns): Likewise.
6145 * varasm.c (immed_double_const): Likewise.
6147 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
6148 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
6150 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
6152 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
6153 (MULTILIB_DEFAULTS): Define.
6154 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
6155 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
6156 (LIBGCC_SPEC): Likewise.
6157 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
6158 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
6159 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
6160 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
6161 (EXTRA_PARTS, TAROUTOPTS): Delete.
6162 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
6163 (MULTILIB_OPTIONS): Define.
6164 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
6165 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
6167 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
6169 * version.c: Bump for snapshot.
6171 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
6173 * loop.c (loop_number): Delete function. Change all references
6174 to use uid_loop_num array.
6175 * loop.h (loop_number): Delete declaration.
6176 * unroll.c (unroll_loop): Change "loop_number" references to
6177 use uid_loop_num instead.
6179 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
6181 (loop_unroll_iter): Remove unused variable and all references.
6182 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
6183 (insert_bct): Fix minor formatting problems.
6184 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
6185 (loop_unroll_iter): Removed unused decl.
6186 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
6187 Always record the unrolling factor.
6189 * cse.c (simplify_relational_operation): Set h0u just like h0s.
6190 Similarly for h1u and h1s.
6192 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
6193 (find_basic_blocks): Use computed_jump_p to determine if a
6194 particular JUMP_INSN is a computed jump.
6195 * reg-stack.c (find_blocks): Use computed_jump_p to determine
6196 if a particular JUMP_INSN is a computed jump.
6197 * rtlanal.c (jmp_uses_reg_or_mem): New function.
6198 (computed_jump_p): Likewise.
6199 * rtl.h (computed_jump_p): Declare.
6200 * genattrtab.c (pc_rtx): Define and initialize.
6201 * loop.c (loop_optimize): Always determine if the current
6202 function has a computed jump.
6203 (indirect_jump_in_function_p): Use computed_jump_p to determine
6204 if a particular JUMP_INSN is a computed jump.
6206 * loop.c (fix_bct_param): Delete unused function.
6207 (check_bct_param): Likewise.
6209 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
6211 * frame.c (__deregister_frame): Check properly for initialized object.
6213 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6215 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
6217 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
6219 * jump.c (thread_jumps): check can_reverse_comparison_p before
6220 threading a reversed-condition jump.
6222 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
6223 * haifa-sched.c (update_flow_info): Likewise.
6225 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
6227 * Makefile.in (BOOT_CFLAGS): Use -O2.
6229 * configure.in (strtoul, bsearch): Have autoconf check for these
6231 * configure, config.in: Rebuilt.
6233 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
6234 * mips/mips.h (alloca): Likewise.
6235 * rs6000/xm-rs6000.h (alloca): Likewise.
6236 * rs6000/xm-sysv4.h: Likewise.
6238 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
6240 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
6241 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
6242 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
6244 * except.c (end_eh_unwinder): Subtract 1 from return address.
6245 * libgcc2.c (__throw): Likewise.
6246 (find_exception_handler): Don't change PC here. Compare end with >.
6248 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
6250 * v850.c (compute_register_save_size): Correct register
6252 * v850.md (save_interrupt, return_interrupt): Correct
6254 * v850/lib1funcs.asm (save_interrupt): Correct register number.
6255 (return_interrupt): Use stack pointer, not element pointer.
6257 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
6259 * configure.in, configure: Make sure to create the stage* and include
6260 symbolic links in each subdirectory.
6262 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
6264 * pa.md (reload_peepholes): Don't allow addresses with side
6265 effects for the memory operand.
6267 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
6269 * libgcc2.c (find_exception_handler): Subtract one from our PC when
6270 looking for a handler, to avoid hitting the beginning of the next
6273 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
6275 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
6277 * mips/abi64.h (LONG_MAX_SPEC): Define.
6278 * mips.h (LONG_MAX_SPEC): Define.
6279 (CPP_SPEC): Include long_max_spec.
6280 (EXTRA_SPECS): Include long_max_spec.
6282 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
6284 * v850.c (construct_save_jarl): Fix thinko in last change.
6286 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
6288 * version.c: Bump for snapshot.
6290 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
6292 * libgcc2.c (find_exception_handler): Not found is -1.
6294 * integrate.c (expand_inline_function): Move expand_start_bindings
6295 after expanding the arguments.
6297 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
6299 * expr.c (expand_expr): Remove previous incorrect change.
6300 If target and slot has no DECL_RTL, then call mark_addressable
6301 again for the slot after we give it RTL.
6303 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
6305 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
6306 again for the slot after we give it RTL.
6308 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
6310 * v850.c (register_is_ok_for_epilogue,
6311 pattern_is_ok_for_epilogue, construct_restore_jr,
6312 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
6314 * v850.h (pattern_is_ok_for_prologue,
6315 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
6318 * v850.md: Replace prologue and epilogue patterns with a
6319 match_parallel pattern.
6321 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
6323 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
6324 * configure.in: Use EGCS_PROG_INSTALL.
6326 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
6328 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
6329 extern inline function.
6331 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
6333 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
6334 (concat_loc_descriptor): New function.
6335 (loc_descriptor): Call it.
6336 (add_AT_location_description): Also elide the descriptor if both
6337 halves of a CONCAT are pseudos.
6338 (add_location_or_const_value_attribute): Recognize CONCAT too.
6340 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
6342 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
6344 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
6345 out-or-range reg_offset.
6346 (output_epilog): Likewise.
6348 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
6350 * cse.c (simplify_relational_operation): If MODE specifies a
6351 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
6352 is derived from the sign bit of the low word.
6354 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
6356 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
6358 * dwarf2.h: Add DW_CFA_GNU_args_size.
6359 * frame.c (execute_cfa_insn): Likewise.
6360 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
6361 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
6362 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
6363 insn, hand it off to dwarf2out_stack_adjust.
6364 (dwarf2out_begin_prologue): Initialize args_size.
6365 * frame.h (struct frame_state): Add args_size.
6366 * libgcc2.c (__throw): Use args_size.
6367 * final.c (final_scan_insn): If we push args, hand off all insns
6368 to dwarf2out_frame_debug.
6369 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
6371 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
6372 Handle epilogue restore of SP from FP.
6373 * emit-rtl.c (gen_sequence): Still generate a sequence if the
6374 lone insn has RTX_FRAME_RELATED_P set.
6376 * frame.c (extract_cie_info): Handle "e" augmentation.
6377 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
6378 absence of UNALIGNED_*_ASM_OP.
6379 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
6380 (output_call_frame_info): Use "e" instead of "z" for augmentation.
6381 Don't emit augmentation fields length.
6382 (dwarf2out_do_frame): Move outside of #ifdefs.
6383 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
6386 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
6387 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
6388 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
6389 * sparc/sun4gas.h: New file.
6390 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
6392 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
6393 __register_frame_table and __deregister_frame.
6395 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
6397 * except.c (find_exception_handler_labels): Use xmalloc instead of
6398 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
6401 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
6403 * Makefile.in: Various changes to build info files
6404 in the object tree rather than the source tree.
6406 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
6408 * fixinc.math: New file to fix math.h on some systems.
6409 * configure.in (freebsd, netbsd): Use fixinc.math on these
6411 * configure: Rebuilt.
6413 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
6415 * regmove.c (regmove_optimize): If we end up moving the
6416 original insn due to lifetime overlaps, make sure to move
6419 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
6421 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
6423 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
6425 * haifa-sched.c (add_branch_dependences): Make each insn in
6426 a SCHED_GROUP_P block explicitly depend on the previous insn.
6428 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
6430 * except.h: Prototype dwarf2 hooks.
6433 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
6435 * configure.in (native_prefix): Delete.
6436 (mips-dec-netbsd): Don't set prefix.
6437 (*linux*): Don't set prefix.
6439 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
6441 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
6442 defined. If not defined, include <sys/varargs.h> if
6443 HAVE_SYS_VARARGS_H is defined.
6444 * configure.in: Test for varargs.h and sys/varargs.h.
6445 * configure: Regenerate with autoconf.
6446 * config.in: Regenerate with autoheader.
6448 * cpplib.c (quote_string): Cast first arg of sprintf call
6449 from "unsigned char *" to "char *".
6450 (output_line_command): Ditto.
6451 (macroexpand): Ditto.
6452 (do_line): Cast atoi arg from "unsigned char *" to "char *".
6454 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
6456 * version.c: Bump for snapshot.
6458 * Makefile.in (compare): Exit with nonzero status if there
6459 are comparison failures. Note which files failed the
6460 comparison test in .bad_compare.
6462 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6464 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
6466 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
6468 * Makefile.in (LN, LN_S): New macros, use where appropriate.
6469 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
6470 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
6471 * configure: Regenerated.
6473 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
6475 * loop.c (strength_reduce): Fix typo.
6477 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
6479 * m88k/m88k.c (struct option): Rename to struct options.
6480 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
6481 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
6482 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
6483 __DOLPHIN__ or sysV88.
6485 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
6487 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
6490 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
6492 * config.sub: Accept 'amigados' for backward compatability.
6494 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6496 * Makefile.in (testsuite/site.exp): New target.
6497 (check-gcc, check-g++): Depend on testsuite/site.exp.
6498 Don't stop for failure.
6500 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
6502 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
6503 if DWARF2_UNWIND_INFO.
6505 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
6507 Add support for exception handling using DWARF 2 frame unwind info.
6508 Currently works on SPARC and MIPS, and almost on x86.
6510 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
6511 next_stack_level, in_reg_window): Helper fns.
6512 (__throw): Implement for DWARF2_UNWIND_INFO.
6514 * expr.c (expand_builtin): Handle builtins used by __throw.
6515 * tree.h (enum built_in_function): Add builtins used by __throw.
6516 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
6517 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
6518 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
6519 (expand_builtin_extract_return_addr): Likewise.
6520 (expand_builtin_frob_return_addr): Likewise.
6521 (expand_builtin_set_return_addr_reg): Likewise.
6522 (expand_builtin_eh_stub): Likewise.
6523 (expand_builtin_set_eh_regs): Likewise.
6524 (eh_regs): Choose two call-clobbered registers for passing back values.
6526 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
6527 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
6528 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
6529 (stmp-multilib): Likewise.
6530 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
6532 * except.c: #include "defaults.h".
6533 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
6534 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
6535 (register_exception_table_p): New fn.
6536 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
6537 (end_eh_unwinder): Likewise.
6539 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
6540 call __register_frame and __deregister_frame as needed.
6541 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
6542 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
6543 EH_FRAME_SECTION_ASM_OP.
6544 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
6545 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
6546 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
6548 * dwarf2out.c (output_call_frame_info): If no support for
6549 EXCEPTION_SECTION, mark the start of the frame info with a
6551 * collect2.c (frame_tables): New list.
6552 (is_ctor_dtor): Recognise frame entries.
6553 (scan_prog_file): Likewise.
6554 (main): Pass -fno-exceptions to sub-compile. Also do collection
6555 if there are any frame entries.
6556 (write_c_file_stat): Call __register_frame_table and
6557 __deregister_frame as needed.
6558 (write_c_file_glob): Likewise.
6560 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
6561 Also require unaligned reloc support.
6562 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
6563 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
6564 * sparc/sysv4.h: Not here.
6566 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
6567 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
6568 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
6570 * libgcc2.c (L_eh): Reorganize, moving code shared by different
6571 EH implementations to the top.
6572 (find_exception_handler): Split out. Start from 0. Compare against
6574 (__find_first_exception_table_match): Use it.
6575 * except.c (output_exception_table): Don't do anything if there's
6576 no table. Don't output a first entry of zeroes.
6577 (eh_outer_context): Adjust properly.
6578 (add_eh_table_entry): Use xrealloc.
6579 * toplev.c (compile_file): Just call output_exception_table.
6581 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
6583 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
6585 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
6587 * except.c (eh_outer_context): Do masking using expand_and.
6589 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
6591 Add port done awhile ago for the ARC cpu.
6592 * arc/arc.h: New file.
6593 * arc/arc.c: New file.
6594 * arc/arc.md: New file.
6595 * arc/initfini.c: New file.
6596 * arc/lib1funcs.asm: New file.
6597 * arc/t-arc: New file.
6598 * arc/xm-arc.h: New file.
6599 * ginclude/va-arc.h: New file.
6600 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
6601 * ginclude/varargs.h: Likewise.
6602 * Makefile.in (USER_H): Add va-arc.h.
6603 * configure.in (arc-*-elf*): Recognize.
6604 * longlong.h: Add ARC support.
6606 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
6608 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
6609 when clearing non-BLKmode data.
6611 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
6613 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
6614 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
6616 * xm-m88k.h (USG): Only define if it hasn't already been defined.
6618 * Makefile.in (risky-stage1): Delete gratutious whitespace.
6620 * Makefile.in (clean): Delete libgcc1-test.
6622 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
6624 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
6626 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
6629 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6631 * dwarf2out.c (output_call_frame_info): Call named_section.
6633 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
6635 * haifa-sched.c (print_value): Fix last change.
6637 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
6639 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
6642 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
6644 * mips.c (function_prologue): Set up the CFA when ABI_32.
6646 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
6647 for dwarf2 unwind info.
6648 (output_function_prologue, sparc_flat_output_function_prologue): Same.
6650 * final.c (final_end_function): Check dwarf2out_do_frame instead
6651 of DWARF2_DEBUG for dwarf2 unwind info.
6652 (final_scan_insn): Likewise.
6653 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
6656 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
6659 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
6661 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
6663 * v850.h (ASM_SPEC): Pass on target processor.
6664 (CPP_PREDEFINES): Only define if not already specified.
6665 (TARGET_VERSION): Only define if not already specified.
6666 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
6668 (EXTRA_SWITCHES): Extra entries in the switches array.
6669 (TARGET_DEFAULT): Set default target processor.
6671 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
6673 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
6674 cases, add %# and %/, and add : to make them into extended asms.
6676 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
6678 * alias.c (init_alias_analysis): Clean up incompatible pointer
6679 type warning in bzero.
6680 * regmove.c (regmove_optimize): Ditto.
6681 * haifa-sched.c (find_rgns): Ditto.
6683 * haifa-sched.c (print_value): Clean up ptr->int cast
6686 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
6688 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
6689 * install.texi (Configurations): Ditto.
6690 * config.sub: Ditto.
6692 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
6694 * Makefile.in (sdbout.o): Depend on insn-config.h.
6696 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
6698 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
6699 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
6701 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
6703 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
6704 prologue insn, only the first elt is significant.
6705 (output_call_frame_info): For exception handling, always use 4-byte
6706 fields as specified by the dwarf2 spec.
6707 Don't skip trivial FDEs.
6709 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
6711 * version.c: Bump for snapshot.
6713 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
6715 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
6716 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
6719 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
6721 * final.c (shorten_branches): During first pass, assume worst
6722 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
6724 * Makefile.in (distclean): Remove various things left around
6725 by running the testsuite.
6727 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
6729 * configure.in (out_file): Emit definition to config.status in order
6730 to have a defined value for configure.lang.
6731 * configure: Re-built.
6733 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
6735 * configure.in: Make symlink to as-new rather than as.new. Similarly
6737 * configure: Rebuilt.
6739 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
6741 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
6743 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
6745 * sparc/sparc.md: Add ultrasparc scheduling support.
6746 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
6748 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
6750 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
6751 as initial value for real_label_map.
6752 (copy_for_inline): Likewise.
6754 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
6756 * sched.c (update_flow_info) When looking if to set found_split_dest
6757 or found_orig_dest, look at all parts of a PARALLEL.
6758 * haifa-sched.c (update_flow_info): Likewise.
6760 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
6762 * v850: New directory for v850 port.
6763 * v850/lib1funcs.asm: New file.
6764 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
6765 * ginclude/va-v850.h: New file.
6766 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
6767 * configure.in (mn10200-*-*): New target.
6768 * configure: Rebuilt.
6769 * config.sub: Handle v850-elf.
6770 * Makefile.in (USER_H): Add va-mn10200.h.
6771 * invoke.texi: Document v850 stuff.
6773 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
6775 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
6776 has integer TYPE_{MAX,MIN}_VALUE before using them.
6778 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
6779 __HPUX_ASM__ versions.
6781 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
6783 * install.sh: Delete duplicate install script.
6785 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
6787 * reg-stack.c (subst_stack_regs): Pop the stack register for a
6788 computed goto which sets the same stack register.
6790 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
6791 destination are both on the regstack.
6792 (subst_stack_regs_pat): Put the destination at the top of the regstack.
6794 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
6796 * mips.md (nonlocal_goto_receiver): Define.
6798 * profile.c (output_arc_profiler): Check next_insert_after for non
6799 NULL before deferencing it.
6801 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
6803 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
6805 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
6807 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
6809 * toplev.c (rest_of_compilation): For passes starting with
6810 flow_analysis, use print_rtl_with_bb instead of print_rtl.
6812 * print-rtl.c (print_rtl_single): Print a single rtl value to a
6815 * flow.c (print_rtl_with_bb): Print which insns start and end
6816 basic blocks. For the start of a basic block, also print the live
6819 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
6821 * toplev.c (main): Change #elif to #else/#ifdef
6823 * tlink.c: Include ctype.h.
6824 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
6826 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
6828 * bitmap.c: Conditionally include stdlib.h.
6829 (free): Provide a declaration if NEED_DECLARATION_FREE.
6831 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
6833 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
6835 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
6837 * profile.c (output_arc_profiler): Verify next_insert_after is an
6838 INSN before and after skipping a stack pop.
6840 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
6842 * final.c (shorten_branches): Don't count the lengths of deleted
6845 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
6847 * version.c: Bump for snapshot.
6849 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
6851 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
6852 two bitmaps ANDed together.
6853 (bitmap_print): Declare.
6855 * bitmap.c (function_obstack): Don't declare any more.
6856 (bitmap_obstack): Obstack for allocating links from.
6857 (bitmap_obstack_init): New static to say whether to initialize
6859 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
6860 (bitmap_release_memory): Free all memory allocated from
6863 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
6864 EXECUTE_IF_AND_IN_BITMAP.
6866 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
6868 * alias.c (true_dependence): Address with AND can alias scalars.
6869 (anti_dependence, output_dependence): Likewise.
6871 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
6873 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
6875 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
6876 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
6877 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
6878 definitions. Use -qrtems instead of -mrtems.
6880 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
6882 * xm-sco5.h (sys_siglist): Define.
6883 (SYS_SIGLIST_DECLARED): Likewise.
6885 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
6887 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
6889 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
6891 * except.c (eh_outer_context): Expand masking operation using
6894 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
6896 * alpha.md (floatdisf2-1): New pattern.
6898 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
6900 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
6901 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
6902 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
6903 * gcc.texi: Note that if you define sys_siglist that you should
6904 also define SYS_SIGLIST_DECLARED.
6906 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
6907 are relative to the next instruction, not the current instruction.
6909 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
6911 * local-alloc.c (contains_replace_regs): New function.
6912 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
6913 verify that there is no existing REG_EQUIV note, and add a call to
6914 contains_place_regs.
6916 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6918 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
6919 (STARTFILE_SPEC): Always use crtbegin.o%s
6920 (ENDFILE_SPEC): Always use crtend.o%s.
6922 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
6924 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
6926 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
6927 SFmode for 64 bit hosts.
6929 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
6931 * fixincludes: Permits spaces between # and define. Discard C++
6932 comments in sys/pci.h on HP/UX 10.20.
6934 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
6936 * version.c: Bump for snapshot.
6938 * pa.c (restore_unscaled_index_insn_codes): New function.
6939 (record_unscaled_index_insn_codes): Likewise.
6940 (output_function_prologue): Call restore_unscaled_index_insn_codes.
6941 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
6942 (pa_reorg): Call record_unscaled_index_insn_codes.
6944 * haifa-sched.c (move_insn): Handle notes correctly for insns
6945 with SCHED_GROUP_P set.
6947 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6949 * alpha/xm-linux.h (USE_BFD): Undef before define.
6951 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
6953 * cse.c (cse_insn): Don't record BLKmode values.
6955 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
6957 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
6959 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
6961 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
6962 * collect2.c (sys_errlist): Likewise.
6963 * cpplib.c (sys_errlist): Likewise.
6964 * gcc.c (sys_errlist): Likewise.
6965 * protoize (sys_errlist): Likewise.
6966 * configure.in: Check for strerror.
6967 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
6968 * xm-gnu.h (HAVE_STRERROR): Likewise.
6969 * xm-linux.h (HAVE_STRERROR): Likewise.
6970 * xm-netbsd.h (HAVE_STRERROR): Likewise.
6971 * xm-bsd386.h (HAVE_STRERROR): Likewise.
6972 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
6973 * xm-dos.h (HAVE_STRERROR): Likewise.
6974 * xm-mingw32.h (HAVE_STRERROR): Likewise.
6975 * xm-pa.h (HAVE_STRERROR): Likewise.
6976 * xm-papro.h (HAVE_STRERROR): Likewise.
6977 * xm-sysv4.h (HAVE_STRERROR): Likewise.
6978 * configure, config.in: Rebuilt.
6980 * Makefile.in: Add several missing "else true" clauses.
6982 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
6983 * mips-tfile.c: Likewise.
6984 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
6985 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
6986 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
6987 * configure.in: Check for sys_siglist declaration.
6988 * configure, config.in: Rebuilt.
6990 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
6992 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
6993 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
6994 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
6995 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
6996 * rs6000/sysv4.h (extra_subtarget_switches): Added new
6997 macro EXTRA_SUBTARGET_SWITCHES.
6998 * configure.in (sh*-*-rtems*): New target.
6999 * sh/rtems.h: New file.
7000 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
7001 * configure: Rebuilt.
7003 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
7005 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
7007 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
7009 * rs6000.md: Make DF fused-add operations pay attention to
7012 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
7014 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
7016 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
7018 * pa.md (reload_peepholes): Make sure operand is a REG before
7019 examining REGNO. Allow general registers too.
7021 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
7023 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
7025 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
7027 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
7028 to reallocate abbrev_die_table.
7030 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
7032 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
7034 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7036 * Makefile.in (config.status): Depend on version.c
7038 * expr.h (insn_gen_function): Reenable prototype.
7040 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
7043 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
7045 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
7047 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
7049 * version.c: Bump for latest snapshot.
7051 * bc-optab.c: Conditionally include stdlib.h.
7052 (free): Provide a declaration if NEED_DECLARATION_FREE.
7053 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
7054 * rtl.h (free): Remove declaration.
7055 * tree.h (free): Remvoe declaration.
7057 * configure: Rebuilt.
7059 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
7061 * flags.h (flag_move_all_movables): Declare.
7062 (flag_reduce_all_givs): Likewise.
7063 * loop.c (move_movables): Handle flag_move_all_movables.
7064 (strength_reduce): Handle flag_reduce_all_givs.
7065 * toplev.c (flag_move_all_movables): Define.
7066 (flag_reduce_all_givs): Likewise.
7067 (f_options): Add -fmove-all-movables and -freduce-all-givs.
7068 * invoke.texi: Document new options, including alias stuff that
7069 wasn't included last time.
7071 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
7073 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
7076 * t-vxworks68: Ditto.
7077 * t-vxworks960: Ditto.
7080 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
7082 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
7083 if not already defined, and USE_C_ALLOCA not defined.
7085 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
7087 * config.guess: Replace with script that uses ../config.guess.
7089 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
7090 if USE_GNULIBC_1 is not defined.
7092 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
7094 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
7095 * config.guess: Recognize alpha-linux-gnulibc1.
7096 * configure.in (alpha-*-linux-gnulibc1): New target.
7097 (alpha-*-linux-gnu*): Don't build crtbegin/end.
7099 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
7101 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
7104 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
7106 * loop.c (combine_movables): Earlier insns don't match later ones.
7108 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7110 * config/linux.h (CC1_SPEC): Define it only if not defined.
7112 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
7115 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
7116 USE_GNULIBC_1 is not defined.
7118 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
7120 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
7121 as 1 if USE_GNULIBC_1 is not defined.
7123 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
7125 * reorg.c (dbr_schedule): Allow current_function_return_rtx
7126 to be something other than a REG.
7127 * function.c (expand_function_end): Fix current_function_return_rtx
7130 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
7131 * x-netbsd: Likewise
7132 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
7133 (INSTALL_HEADERS): Delete.
7134 * x-dguxbcs: Likewise.
7135 * x-hp3bsd44: Likewise
7138 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7140 * i386.md (pop): pop increments the stack pointer.
7141 (prologue_set_stack_ptr): New pattern.
7142 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
7145 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
7147 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
7148 address where an offsettable address is required.
7150 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
7152 * loop.c (check_final_value): Don't miss a biv increment in a
7155 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
7157 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
7158 TYPE_DECL_IS_STUB instead of DECL_NAME.
7160 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7162 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
7164 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
7166 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
7168 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
7170 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
7171 (find_post_sched_live): Likewise.
7173 * haifa-sched.c (schedule_block): Remove old code to get arguments
7174 from hard regs into pseudos early.
7176 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
7178 * version.c: Bump for new snapshot.
7180 * local-alloc.c (update_equiv_regs): All the target to reject
7181 promotion of some REG_EQUAL to REG_EQUIV notes.
7182 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
7184 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
7187 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
7188 store of the argument registers.
7190 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
7192 * fold-const.c (multiple_of_p): New function.
7193 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
7195 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
7197 * expr.h (insn_gen_function): Temporarily remove prototype.
7199 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
7201 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
7202 filenames. Use sed to extract base filename for install.
7204 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
7206 * unroll.c (find_splittable_givs): Only share if two givs have the
7207 same add and multiply values.
7209 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
7211 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
7212 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
7214 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
7216 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
7217 around branch tables.
7218 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
7219 and .end_brtab directives if TARGET_GAS.
7221 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
7223 * alias.c (true_dependence): Pass x_addr not x to varies.
7225 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
7226 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
7227 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
7229 * config.in, configure: Regenerate.
7231 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
7233 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
7235 (record_set): Handle LO_SUM like PLUS.
7236 (init_alias_analysis): When following chains of base addresses,
7237 do not stop on reaching a hard register.
7239 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
7241 * version.c: Bump for new snapshot.
7243 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
7245 * alpha.h (ARCH_ASM_FILE_START): Define.
7246 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
7247 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
7249 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
7251 * Makefile.in (install-common): Put gcov comment at start of line.
7253 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
7255 * alias.c (init_alias_analysis): When simplifying the reg_base_value
7256 array, simplify entries for hard registers too.
7258 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
7260 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
7263 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
7265 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
7266 block_stack before dereferencing it.
7268 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
7270 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
7272 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
7274 * cplus-dem.c: Add 'extern' to prepends_underscore.
7276 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
7278 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
7279 (get_issue_rate): Delete.
7280 * pa.h (ISSUE_RATE): Define.
7282 * configure.in: Turn on haifa by default for the PA.
7283 * configure: Rebuilt.
7284 * pa.c (override_options): Accept -mschedule=7200 option.
7285 (pa_adjust_cost): No longer need to scale costs for newer
7287 * pa.h (enum processor_type): Add PROCESSOR_7200.
7288 * pa.md: Revamp scheduling parameters to work better with
7289 haifa. Add scheduling parameters for the 7200.
7291 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
7293 (schedule_block): When adjusting basic_block_{head,end}, account
7294 for movement of SCHED_GROUP_P insns too.
7296 * haifa-sched.c (debug_dependencies): Fix thinko.
7298 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
7299 (site.exp, check, check-g++, check-gcc): New targets.
7301 * haifa-sched.c: Make lots of variables static.
7303 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7305 * expr.h, real.h: Finish prototyping.
7307 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
7309 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
7310 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
7311 * reload1.c: Undo bugfix from Aug 11.
7313 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
7315 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
7316 quotes around the name.
7317 * configure: Regenerate.
7319 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
7321 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
7323 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
7325 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
7326 to sub-makes to avoid building more passes than the user might have
7327 requested on the command line.
7329 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
7331 * configure.in: Expurgate `broken_install' (install is
7334 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
7337 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
7339 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
7340 functions and declarations.
7341 (analyze_loop_iterations): Use condjump_p.
7342 (insert_bct): Likewise. Use exact_log2.
7344 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
7346 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
7347 (schedule_region): Likewise.
7348 (schedule_insns): Likewise.
7350 * PROJECTS: Update with Haifa stuff.
7352 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
7354 * version.c: Change the version string to look like:
7355 egcs-2.90.00 970814 (gcc2-970802 experimental).
7357 * loop.c (is_conditional_branch): Make definition match declaration.
7359 * gcc.c: Take out experimental snapshot warning message.
7361 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
7363 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
7364 print out the names of the notes. Print out the name of the insn
7365 that is not a note, and not an {,CALL_,JUMP_}INSN.
7367 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
7369 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
7370 again for the slot after we give it RTL.
7372 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
7374 * configure.in (haifa configury): Fix typo.
7375 * configure: Regenerate.
7377 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
7379 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
7381 * gcc.info*: Rebuilt.
7383 * COPYING.g77, README.g77: New files.
7384 * real.c (ereal_unto_float, ereal_unto_double): New functions.
7385 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
7386 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
7388 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
7390 * Integrate Haifa instruction scheduler.
7391 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
7392 to sched with $(SCHED_CFLAGS.
7393 * configure.in: Handle --enable-haifa.
7394 * configure: Rebuilt.
7395 * flags.h: Add new flags for haifa instruction scheduler.
7396 * genattrtab.c (expand_units): For haifa, don't subtract one
7397 when computing blockage.
7398 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
7399 (flag_schedule_speculative): Ditto.
7400 (flag_schedule_speculative_load): Ditto.
7401 (flag_schedule_speculative_load_dangerous): Ditto.
7402 (flag_schedule_reverse_before_reload): Ditto.
7403 (flag_schedule_reverse_after_reload): Ditto.
7404 (flag_branch_on_count_reg): Ditto.
7405 (f_options): Add Haifa switches.
7406 (main): Turn off some Haifa options if appropriate macro is
7407 defined. Process Haifa switches.
7408 * unroll.c (iteration_info): No longer static, since Haifa
7410 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
7411 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
7412 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
7413 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
7414 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
7415 storage for the Haifa scheduler.
7416 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
7418 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
7419 are defined, call analyze_loop_iterations and insert_bct to use
7421 (record_giv): Refine test for jumps out of loops if HAIFA is
7423 (analyze_loop_iterations): New function to identify if we can use
7425 (insert_bct): Insert countdown loop.
7426 (instrument_loop_bct): Low level code to insert countdown loop.
7427 (loop_number): Calculate UID of loop.
7428 (indirect_jump_in_function_p): Return true if an indirect jump is
7430 (is_power_of_2): Return true if value is a power of 2.
7431 (is_conditional_branch): Return true if insn is a conditional
7433 (fix_bct_param): Process -fbct-{min,max}-N switches.
7434 (check_bct_param): Return true if loop should be instrumented.
7435 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
7436 (loop_optimize): Initialize.
7437 (get_condition_for_loop): Ditto.
7438 * loop.c (strength_reduce): Inside of code that uses #ifdef
7439 HAVE_decrement_and_branch_on_count code, test it to make sure the
7441 (instrument_loop_bct): Ditto.
7442 * haifa-sched.c: New file.
7445 * Integrate regmove pass.
7446 * Makefile.in (OBJS): Add regmove.o
7447 (regmove.o): Add dependencies.
7448 * flow.c (find_use_as_address): No longer static.
7449 * rtl.h (find_use_as_address): Declare.
7450 * toplev.c (regmove_dump, flag_regmove): Define.
7451 (f_options): Add -fregmove.
7452 (regmove_dump_file, regmove_time): Define.
7453 (fatal_insn): Close the regmove dump file.
7454 (compile_file): Initialize regmove_time; open/close the regmove dump
7455 file as needed. Print regmove time as needed.
7456 (rest_of_compilation): Run regmove pass if requested, dump
7457 RTL after regmove if requested.
7458 (main): If -O2 or more, turn on regmove. Handle dump switches.
7459 * regmove.c: New file.
7461 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
7463 * Integrate tlink patch from jason@cygnus.com
7464 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
7465 (process_command): Increment n_switches for them. Don't discard
7466 their args. Validate them.
7467 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
7469 (process_command): Set include_prefixes from COMPILER_PATH.
7470 (main): Set COLLECT_GCC_OPTIONS sooner.
7471 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
7472 * tlink.c, hash.c, hash.h: New files.
7473 * Makefile.in (USE_COLLECT2): Always use collect2.
7474 (collect2): Depend on and link in hash.o and tlink.o.
7475 (tlink.o, hash.o): Add dependencies.
7477 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
7479 * Integrate alias analysis changes from jfc@mit.edu
7480 * Makefile.in (OBJS): Add alias.o
7481 (alias.o): Add dependencies.
7482 * alias.c: New file.
7483 * sched.c: Remove alias analysis code. It lives in alias.c now.
7484 (sched_analyze_2): Add new arguments to true_dependence.
7485 (schedule_insns): Always call init_alias_analysis.
7486 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
7487 mark return value from such functions as a pointer and keep track of
7488 them for alias analysis. If a return value from a function is a
7489 pointer, mark it as such.
7490 * combine.c (distribute_notes): Handle REG_NOALIAS.
7491 * cse.c (struct write_data): Delete. No longer needed.
7492 (invalidate): Don't call set_nonvarying_address_components anymore.
7493 Use true_dependence to decide if an entry should be removed from
7495 (invalidate_memory): Remove WRITES argument, simplify appropriately.
7497 (note_mem_written): Similarly for WRITE_PTR argument.
7498 (invalidate_from_clobbers): Similarly for W argument.
7499 (invalidate_for_call): Remove memory elements from the hash table.
7500 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
7501 (cse_rtx_varies_p): New function. Derived from old
7502 cse_rtx_addr_varies_p.
7503 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
7504 Don't call note_mem_written anymore. Stack pushes invalidate the stack
7505 pointer if PUSH_ROUNDING is defined. No longer need to call
7506 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
7507 (skipped_writes_memory): Remove variable.
7508 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
7509 (invalidate_skipped_block): Simplify for new alias analysis code.
7510 (cse_set_around_loop): Likewise.
7511 (cse_main): Call init_alias_analysis.
7512 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
7513 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
7514 (f_options): Add new alias checking arguments.
7515 (main): Set flag_alias_check when optimizing.
7516 * local_alloc (validate_equiv_mem_from_store): Add new arguments
7518 (memref_referenced_p): Likewise.
7519 * loop.c (NUM_STORES): Increase to 30.
7520 (prescan_loop): Only non-constant calls set unknown_address_altered.
7521 (invariant_p): Add new arguments to true_dependence.
7522 (record_giv): Initialize unrolled and shared fields.
7523 (emit_iv_add_mult): Call record_base_value as needed.
7524 * loop.h (struct induction): Add unrolled and shared fields.
7525 * unroll.c (unroll_loop): Call record_base_value as needed.
7526 (copy_loop_body): Likewise.
7527 (final_biv_value): Likewise.
7528 (final_giv_value): Likewise.
7529 (find_splittable_regs): Likewise. Only create one new pseudo
7530 if we have multiple address GIVs that were combined with the same
7531 dst_reg GIV. Note when a new register is created due to unrolling.
7532 * rtl.c (reg_note_name): Add REG_NOALIAS.
7533 * rtl.h (enum reg_note): Similarly.
7534 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
7535 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
7536 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
7537 (true_dependence, read_dependence, anti_dependence): Likewise.
7538 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
7539 (mark_user_reg, mark_reg_pointer): Likewise.
7542 * Integrate reload bugfix from Wilon which enables the PA port
7544 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
7545 OPERAND_ADDRESS when computing how many registers an insn needs.
7546 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
7548 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
7550 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
7551 in reload_reg_use_in_op_addr do not reach the end.
7552 do not reach the end.
7553 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
7554 RELOAD_FOR_OPERAND_ADDRESS.
7556 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
7558 * egcs project officially starts.