1 Sat Apr 4 19:08:37 1998 Richard Henderson <rth@cygnus.com>
3 * i386.md (ffssi, ffshi): Rewrite as define_expands.
4 (ffssi_1, ffshi_1): New (unspec [] 5) support patterns.
5 * i386.c (notice_update_cc): Recognize unspec 5.
7 Sat Apr 4 18:07:16 1998 David Mosberger-Tang (davidm@mostang.com)
9 * alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Accept '(' for s/sv/svi.
10 * alpha.c (print_operand): Handle it.
11 * alpha.md (fix_truncsfdi2): Use it. Add earlyclobber pattern
13 (fix_truncdfdi2): Likewise.
15 Sat Apr 4 17:42:05 1998 Richard Henderson <rth@cygnus.com>
17 * tree.h (sizetype_tab[2], sbitsizetype, ubitsizetype): Merge all
18 of these into a single struct, with additional [us]sizetype entries.
19 * stor-layout.c (set_sizetype): Initialize [us]sizetype.
20 * fold-const.c (size_int_wide): Don't rely on sizetype_tab being
23 Sat Apr 4 17:04:41 1998 Richard Henderson <rth@cygnus.com>
25 * configure.in (alpha-*-linux-*): Undo tm_file changes from gcc2 merge.
27 Sat Apr 4 13:50:01 1998 Richard Henderson <rth@cygnus.com>
29 * haifa-sched.c (split_block_insns): Don't supress insn splitting
32 * alpha.c (hard_fp_register_operand): New function.
33 * alpha.h (PREDICATE_CODES): Add it.
34 * alpha.md (extendsidi2): Kill bogus f<-f cvtql+cvtlq case. Add an
35 f<-m case and accompanying define_split.
36 (trapb): Use a unique unspec_volatile number.
38 Sat Apr 4 13:32:08 1998 Richard Henderson <rth@cygnus.com>
40 * configure.in (alpha-*-linux-gnu*): Undo Feb 3 change brought in
43 Sat Apr 4 10:23:41 1998 Jeffrey A Law (law@cygnus.com)
45 * Check in merge from gcc2. See ChangeLog.11 and ChangeLog.12
48 * haifa-sched.c: Mirror recent changes from gcc2.
50 Fri Apr 3 00:17:01 1998 Jeffrey A Law (law@cygnus.com)
52 * Makefile.in (insn*.o): Depend on system.h.
54 * pa.c (output_global_address): Initialize base.
55 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Initialize index.
57 1998-04-03 Mike Stump <mrs@wrs.com>
59 * gthr.h: Support systems that don't have weak, but have threads.
60 * configure.in (*wrs-vxworks*): Use VxWorks threads by default.
61 * gthr-vxworks.h: New file.
62 * objc/thr-vxworks.h: Dummy file from thr-single.c for now.
64 Thu Apr 2 18:00:52 1998 Jim Wilson <wilson@cygnus.com>
66 * i386.md (movqi+1): Change alternative 1 from *r/r to *r/*rn.
68 1998-04-02 Vladimir N. Makarov <vmakarov@cygnus.com>
70 * ginclude/va-i960.h (va_end): Change void * to void.
72 Thu Apr 2 13:51:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
74 * Makefile.in (choose-temp.o): Depend on system.h.
76 * choose-temp.c: Include system.h when IN_GCC.
78 Thu Apr 2 02:37:07 1998 Joern Rennecke (amylaar@cygnus.co.uk)
79 Richard Henderson <rth@cygnus.com>
81 * reload.c (find_reloads_address): Try LEGITIMIZE_RELOAD_ADDRESS.
82 (move_replacements): New function.
83 * reload.h: Prototype it.
85 * alpha.h (LEGITIMIZE_RELOAD_ADDRESS): New definition.
87 Thu Apr 2 01:01:34 1998 Richard Henderson <rth@cygnus.com>
89 * configure (alpha-*-linuxecoff, alpha-*-linux-gnulibc1):
92 * emit-rtl.c (gen_lowpart_common): Skip count by HARD_REGNO_NREGS.
93 (gen_highpart): Likewise.
94 * final.c (alter_subreg): Allow the target to hook by-mode subreg
95 hard register number changes.
97 Wed Apr 1 22:26:22 1998 Jeffrey A Law (law@cygnus.com)
99 * fold-const.c optimze_bit_field_compare): Initialize rnbitpos,
100 rnbitsize, rnmode and rinner.
101 (make_range): Initialize type.
102 (fold): Initialize arg0, arg1 and varop.
104 * function.c (instantiate_virtual_regs_1): Initialize offset, regnoi
106 (expand_function_start): Initialize last_ptr.
108 * stor-layout.c (layout_record): Initialize desired_align.
109 (get_best_mode): Initialize unit.
111 * tree.c (copy_node): Initialize length.
113 * c-lex.c (yylex): Initialize traditional_type, ansi_type and type.
115 * caller-save.c (insert_save_restore): Initialize pat, code and
118 * emit-rtl.c (push_to_sequence): Initialize top.
119 (push_topmost_sequence): Likewise.
121 * genattrtab.c (simplify_by_exploding): Initialize defval.
123 * profile.c (branch_prob): Initialize dest.
125 * rtl.h (note_stores): Remove duplicate prototype.
126 (GEN_INT): Re-instate cast of second arg to HOST_WIDE_INT.
128 * cplus-dem.c (gnu_special): Don't get confused by .<digits>
129 strings that are not actually lengths.
131 * genattrtab.c: Make generated file use system.h, instead of
132 including stdio.h, etc directly.
133 * genextract.c, genopinit.c, genoutput.c: Likewise.
134 * genpeep.c, genrecog.c: Likewise
136 * genoutput.c (process_template): Mark operands in the generated
137 function as potentially unused if compiling with GNU CC.
139 * i386/freebsd-elf.h (CPP_PREDEFINES): Update from FreeBSD folks.
141 * pa.md (reload peepholes): Remove unused variable "mode".
143 Wed Apr 1 17:06:19 1998 Nick Clifton <nickc@cygnus.com>
145 * config/arm/thumb.h: Add super interworking support.
146 * config/arm/thumb.c: Add super interworking support.
147 * config/arm/thumb.md: Add super interworking support.
148 * config/arm/lib1funcs.asm: Add interworking support.
149 * config/arm/lib1thumb.asm: Add super interworking support.
150 * config/arm/t-semi: Add interworking support.
151 * config/arm/t-thumb: Add interworking support.
152 * config/arm/README-interworking: New file.
154 Wed Apr 1 14:38:10 1998 Jim Wilson <wilson@cygnus.com>
156 * config/mips/iris6.h (MD_EXEC_PREFIX): Set to /usr/bin/.
157 (MD_STARTFILE_PREFIX): Unset.
159 1998-04-01 Mark Mitchell <mmitchell@usa.net>
161 * varasm.c (make_decl_rtl): Update the DECL_ASSEMBLER_NAME for a
162 entity in a local scope.
164 * fold-const.c (fold): Call truthvalue_conversion for values which
165 are folded to boolean type.
167 Wed Apr 1 06:09:53 1998 Jeffrey A Law (law@cygnus.com)
169 * 1750a.md, arm.c, clipper.c, clipper.md: Use GEN_INT consistently.
170 * convex.h, dsp16xx.c, fx80.md, gmicro.c, gmicro.md: Likewise.
171 * i370.h, i370.md, i860.c, i860.h, i860.md, i960.c: Likewise.
172 * i960.h, i960.md, m32r.md, m68k.md, m68kv4.h, m88k.c: Likewise.
173 * m88k.md, ns32k.c, ns32k.md, pdp11.c, pdp11.h, pdp11.md: Likewise.
174 * pyr.c, pyr.h, pyr.md, romp.c, romp.h, romp.md: Likewise.
175 * rs6000.md, sparc.c, sparc.h, sparc.md, spur.c, spur.md: Likewise.
176 * tahoe.md, vax.h, vax.md, we32k.c, we32k.h, we32k.md: Likewise.
179 Wed Apr 1 08:33:44 1998 Manfred Hollstein <manfred@s-direktnet.de>
181 * fixincludes (limits.h): Fix nested comments in Motorola's
182 limits.h and sys/limits.h.
184 Tue Mar 31 16:57:33 1998 Jim Wilson <wilson@cygnus.com>
186 * alpha.c (alpha_expand_unaligned_load): Use tgt instead of addr
187 as dest of expand_binop call.
189 * alpha.md (extzv): Correct check for valid operand[2] values.
191 * profile.c (branch_prob): Add code to recognize HPPA tablejump entry
194 * toplev.c (rest_of__compilation): Call init_recog_no_volatile at end.
196 Mon Mar 30 13:11:05 1998 Stan Cox <scox@cygnus.com>
198 * libgcc2.c: (__main, __do_global_dtors, __do_global_ctors):
199 For __CYGWIN32__ use the versions in winsup/dcrt0.cc.
201 * gcc.c, cccp.c, cpplib.c, collect2.c (GET_ENVIRONMENT): Added.
202 cygwin32 can override this to allow both unix and win32 style PATHs.
204 * i386/xm-cygwin32.h (GET_ENVIRONMENT): Defined to allow win32
205 style environment paths.
207 Mon Mar 30 14:43:20 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
209 * Makefile.in (cppalloc.o, cpperror.o, cppexp.o, cpphash.o,
210 cpplib.o, cppmain.o, fix-header.o, gcov.o, gen-protos.o,
211 gengenrtl.o, halfpic.o, hash.o, scan-decls.o, scan.o): Depend on
214 * cpphash.c: Include config.h.
215 * cppalloc.c: Include system.h. Add parameters to various
217 * cpperror.c: Likewise.
218 * cppexp.c: Likewise.
219 * cpphash.c: Likewise.
220 * cpplib.c: Likewise.
221 * cppmain.c: Likewise.
222 * fix-header.c: Likewise.
224 * gen-protos.c: Likewise.
225 * gengenrtl.c: Likewise.
226 * halfpic.c: Likewise.
228 * scan-decls.c: Likewise.
231 Mon Mar 30 11:06:45 1998 Jim Wilson <wilson@cygnus.com>
233 * README.gnat: Add lang_print_xnode definition.
235 Mon Mar 30 11:12:24 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
237 * config/m68k/m68k.c (standard_68881_constant_p): Don't use
238 fmovecr on the 68060.
240 Mon Mar 30 00:21:03 1998 Jeffrey A Law (law@cygnus.com)
242 * genemit.c (DONE): Rework so that it works in the true arm if
243 an if-else conditional.
246 Sun Mar 29 12:45:23 1998 Jeffrey A Law (law@cygnus.com)
248 * rs6000.c: Do not include stdioh or ctype.h anymore.
250 * Makefile.in (c-typeck.o): Delete on expr.h, insn-codes.h and
252 (stor-layout.o): Likewise.
253 * c-typeck.c: Include rtl.h and expr.h.
254 * stor-layout.c: Likewise.
256 * cpplib.c (cpp_file_line_for_message): Delete unused parameter.
258 (do_sccs): Wrap in an SCCS_DIRECTIVE ifdef.
259 * fix-header.c (cpp_file_line_for_message): Delete unused paramter.
262 * collect2.c (is_in_list): Wrap inside COLLECT_EXPORT_LIST ifdef.
264 * local-alloc.c (reg_classes_overlap_p): Delete dead function.
266 * tree.h (lang_print_xnode): Provide prototype.
268 Sat Mar 28 23:50:44 PST 1998 Jeff Law (law@cygnus.com)
270 * version.c: Bump for snapshot.
272 Sun Mar 29 00:42:21 1998 Jeffrey A Law (law@cygnus.com)
274 * objc/sendmsg.c (__objc_block_forward): Add braces for return
275 value if INVISIBLE_STRUCT_RETURN.
277 * pa.c (arith_double_operand): Fix parens.
279 * haifa-sched.c (print_pattern): Correct arg to sprintf.
281 * Makefile.in (libgcc1.null): Make return type for __foo void.
283 Sat Mar 28 14:37:20 1998 Jeffrey A Law (law@cygnus.com)
285 * pa.h: Add declarations for many functions defined in pa.c.
287 * genpeep.c (main): Remove unused variable 'i' from the generated
290 * genemit.c (gen_expand): Do not emit "_done" or "_fail" labels.
291 (gen_split): Likewise.
292 (main): Rework generated definitions of DONE and FAIL so that they
293 no longer use gotos. Avoids warnings about unused labels.
295 * integrate.c (copy_rtx_and_substitute): Rework to avoid need for
296 unused "junk" variable.
298 * genattrtab.c (write_complex_function): Add a default case in
299 generated switch statement to keep -W -Wall quiet.
301 Sat Mar 28 10:47:21 1998 Nick Clifton <nickc@cygnus.com>
303 * invoke.texi: Document more ARM and Thumb command line options.
305 * config/arm/xm-thumb.h: New file.
307 Sat Mar 28 01:37:33 1998 Craig Burley <burley@gnu.ai.mit.edu>
309 * stmt.c (expand_expr_stmt): Must generate code for
310 statements within an expression (gcc's `({ ... )}')
311 even if -fsyntax-only.
313 Sat Mar 28 01:06:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
314 Jeffrey A Law (law@cygnus.com)
316 * basic-block.h (basic_block_computed_jump_target): Declare.
317 * flags.h: (current_function_has_computed_jump): Declare.
318 * flow.c: (basic_block_computed_jump_target): Define.
319 (flow_analysis): Allocate it. Set current_function_has_computed_jump
321 (find_basic_blocks): Set current_function_has_computed_jump and
322 elements of basic_block_computed_jump_target to 1 as appropriate.
323 * function.c: (current_function_has_computed_jump): Define.
324 * global.c (global_conflicts): Don't allocate pseudos into stack regs
325 at the start of a block that is reachable by a computed jump.
326 * reg-stack.c (stack_reg_life_analysis): If must restart, do so
328 (subst_stack_regs): Undo change from Sep 4 1997.
329 (uses_reg_or_mem): Now unused, deleted.
330 * stupid.c (stupid_life_analysis): Compute
331 current_function_has_computed_jump.
332 (stupid_find_reg): Don't allocate stack regs if the function has a
334 * haifa-sched.c (is_cfg_nonregular): Delete code to determine if
335 the current function has a computed jump. Use the global value
338 Sat Mar 28 00:21:37 1998 Jeffrey A Law (law@cygnus.com)
340 * i386/freebsd.h (CPP_PREDEFINES): Remove __386BSD__.
341 (DWARF2_UNWIND_INFO): Define to zero.
343 Fri Mar 27 16:04:49 1998 Michael Meissner <meissner@cygnus.com>
345 * gcc.c (set_std_prefix): Add declaration.
346 (process_command): If GCC_EXEC_PREFIX is set, remove /lib/gcc-lib/
347 suffix, and update the standard prefix prefix.c uses.
349 * prefix.c (std_prefix): New global to hold default prefix value.
350 (get_key_value): Change to use std_prefix instead of PREFIX.
351 (translate_name): Ditto.
352 (update_path): Ditto.
353 (get_key_value): Release allocated scratch storage.
354 (set_std_prefix): New function to reset the standard prefix.
356 Fri Mar 27 18:08:21 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
358 * sh.c (find_barrier): Fix calculations for alignment increase.
360 Fri Mar 27 08:56:52 1998 Manfred Hollstein <manfred@s-direktnet.de>
362 * Makefile.in (stmp-fixinc): If we're actually fixing include
363 files, copy gcc's assert.h into the fixed include dir.
364 * fixincludes (assert.h): Avoid any attempts to fix a probably
365 broken system specific assert.h file.
366 * fixproto (stdlib.h): Make sure, it'll contain a definition of
369 Fri Mar 27 00:49:46 1998 Jeffrey A Law (law@cygnus.com)
371 * regclass.c (reg_scan_mark_refs): Be more selective about
372 when we mark a register with REGNO_POINTER_FLAG.
374 Thu Mar 26 23:00:11 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
376 reload inheritance improvement:
377 * reload1.c (reg_reloaded_contents, reg_reloaded_insn):
378 Change meaning: index is now hard reg number.
379 (reg_reloaded_valid, reg_reloaded_dead): New variables.
380 (reload_spill_index): Content is now a hard reg number.
381 (reload_as_needed): Change to fit new variable meaning.
382 (forget_old_reloads_1, allocate_reload_reg): Likewise.
383 (choose_reload_regs, emit_reload_insns): Likewise.
385 Thu Mar 26 18:34:13 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
387 * regclass.c (record_reg_classes): '?' increases cost by two.
389 * reload.c (find_reloads): Double previous costs. Output
390 reloads cost one unit extra.
392 * reload1.c (eliminate_regs): Delete LOAD_EXTENDED_OP code that
393 boiled down to && ! 0.
395 * reload.c (find_equiv_reg): Also consider a goal offset from the
396 frame pointer to be constant.
398 Thu Mar 26 17:34:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
400 * sh.h (OPTIMIZATION_OPTIONS): Define.
402 Thu Mar 26 00:19:47 1998 Richard Henderson <rth@cygnus.com>
404 * combine.c (make_compound_operation): Simplify (subreg (*_extend) 0).
406 Wed Mar 25 23:53:11 1998 Jeffrey A Law (law@cygnus.com)
408 * pa.c (pa_adjust_cost): Avoid redundant calls to get_attr_type.
410 Wed Mar 25 13:40:48 1998 Jim Wilson <wilson@cygnus.com>
412 * c-common.c (check_format_info): Initialize type, is_type. New local
413 integral_format. Don't warn for 'L' when pedantic. Do warn for 'L'
414 when pedantic if used with integral format specifier.
416 Wed Mar 25 16:09:01 1998 Michael Meissner <meissner@cygnus.com>
418 * rs6000.h (FUNCTION_ARG_PADDING): Cast result to be enum
420 (function_arg_padding): Declare.
422 * rs6000.c: Include system.h.
423 (function_arg_padding): Change return type to int, cast enum's to
426 (From Kaveh R. Ghazi <ghazi@caip.rutgers.edu>)
427 * collect2.c (scan_prog_file): Add explicit braces to avoid
430 * dbxout.c (dbxout_type_fields): Add braces around empty body in
432 (dbxout_type): Likewise.
434 * rs6000.c (rs6000_override_options): Change type of `i', `j' and
435 `ptt_size' from int to size_t.
436 (rs6000_file_start): Likewise for `i'.
437 (rs6000_replace_regno): Add default case in enumeration switch.
438 (output_epilog): Remove unused variable `i'.
439 (rs6000_longcall_ref): Remove unused variables `len', `p', `reg1'
442 * rs6000.h (ADDITIONAL_REGISTER_NAMES): Add missing braces around
444 (get_issue_rate, non_logical_cint_operand): Add prototype.
445 (rs6000_output_load_toc_table): Ditto.
447 * rs6000.md (udivmodsi4): Add explicit braces to avoid ambiguous
450 Wed Mar 25 10:05:19 1998 Nick Clifton <nickc@cygnus.com>
452 * config/arm/thumb.c: New File. Support for ARM's Thumb
454 * config/arm/thumb.h: New File. Thumb definitions.
455 * config/arm/thumb.md: New File. Thumb machine description.
456 * config/arm/tcoff.h: New File. Thumb COFF support.
457 * config/arm/t-thumb: New File. Thumb makefile fragment.
458 * config/arm/lib1thumb.asm: New File. Thumb libgcc support functions.
460 * configure.in: Add Thumb-coff target.
461 * configure: Add Thumb-coff target.
462 * config.sub: Add Thumb-coff target.
464 Wed Mar 25 10:30:32 1998 Jim Wilson <wilson@cygnus.com>
466 * loop.c (scan_loop): Initialize move_insn_first to zero.
468 Wed Mar 25 01:06:49 1998 Joel Sherrill (joel@OARcorp.com)
470 * config/i386/go32-rtems.h: Defined TARGET_MEM_FUNCTIONS.
471 * config/i386/rtems.h: Likewise.
472 * config/i960/rtems.h: Likewise.
473 * config/m68k/rtems.h: Likewise.
474 * config/mips/rtems64.h: Likewise.
475 * config/pa/rtems.h: Likewise.
476 * config/rs6000/rtems.h: Likewise.
477 * config/sh/rtems.h: Likewise.
478 * config/sparc/rtems.h: Likewise.
480 Wed Mar 25 00:57:26 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
482 * pa.c (emit_move_sequence): If in reload, call find_replacement.
484 Tue Mar 24 10:44:11 1998 Nick Clifton <nickc@cygnus.com>
486 * Makefile.in (gcov$(exeext)): Support .exe extension to gcov.
488 * collect2.c (find_a_file): Add debugging.
489 (find_a_file): Test for win32 style absolute paths if
490 DIR_SERPARATOR is defined.
491 (prefix_from_string): Add debugging.
492 (main): Test for debug command line switch at start of program
494 (main): Use GET_ENVIRONMENT rather than getenv().
495 (prefix_from_env): Use GET_ENVIRONMENT.
497 1998-03-24 Mark Mitchell <mmitchell@usa.net>
499 * cplus-dem.c (optable): Add sizeof.
500 (demangle_template_value_parm): New function containing code
501 previously found in demangle_template.
502 (demangle_integral_value): New function which handles complicated
503 integral expressions.
504 (demangle_template): Use them.
506 Tue Mar 24 12:13:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
508 * Makefile.in (genconfig.o, genflags.o, gencodes.o, genemit.o,
509 genopinit.o, genrecog.o, genextract.o, genpeep.o, genattr.o,
510 genattrtab.o, genoutput.o): Depend on system.h.
512 * genattr.c: Include system.h. Add arguments to various function
513 prototypes. Remove redundant prototype of read_rtx().
514 * genattrtab.c: Likewise.
515 * gencodes.c: Likewise.
516 * genconfig.c: Likewise.
517 * genemit.c: Likewise.
518 * genextract.c: Likewise.
519 * genflags.c: Likewise.
520 * genopinit.c: Likewise.
521 * genoutput.c: Likewise.
522 * genpeep.c: Likewise.
523 * genrecog.c: Likewise.
525 1998-03-24 Martin von Loewis <loewis@informatik.hu-berlin.de>
527 * c-lang.c (lang_print_xnode): New function.
528 * objc/objc-act.c (lang_print_xnode): Likewise.
529 * print-tree.c (print_node): Call it
531 Mon Mar 23 23:59:11 1998 H.J. Lu (hjl@gnu.org)
533 * c-parse.in: Recognize protocol qualifiers in class
534 definitions for objc.
536 (yyerror): Remove redundant decl.
537 (yyprint): Fix prototype.
539 Mon Mar 23 23:49:47 1998 Jeffrey A Law (law@cygnus.com)
541 * cse.c (rtx_cost): Only call CONST_COSTS if it is defined.
543 * stmt.c (unroll_block_trees): Free block_vector if needed.
545 Mon Mar 23 23:26:42 1998 Philippe De Muyter <phdm@macqel.be>
547 * m68k/m68k.md (zero_extendqidi2, zero_extendhidi2): New patterns.
548 (zero_extendsidi2): Avoid useless copy.
549 (iordi_zext): New pattern.
550 (iorsi_zexthi_ashl16): Pattern reworked to avoid "0" constraint for
552 (iorsi_zext): New name for old unnamed pattern; indentation fixes.
554 * m68k/m68k.md (ashldi_const): Allow shift count in range ]32,63].
555 (ashldi3): Allow constant shift count in range ]32,63].
556 (ashrdi_const, ashrid3, lshrdi_const, lshrdi3): Likewise.
558 1998-03-22 Mark Mitchell <mmitchell@usa.net>
560 * tree.h (IS_EXPR_CODE_CLASS): New macro.
562 Mon Mar 23 23:18:48 1998 Jeffrey A Law (law@cygnus.com)
564 * h8300.h (CONST_COSTS): Remove definition.
565 (DEFAULT_RTX_COSTS): Define.
567 Mon Mar 23 22:58:22 1998 Joel Sherrill (joel@OARcorp.com)
569 * config/sh/rtems.h: Switched from ELF to COFF.
571 Mon Mar 23 14:14:20 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
573 * freebsd.h (ASM_OUTPUT_ALIGN): Redefine.
575 Sat Mar 21 23:52:56 PST 1998 Jeff Law (law@cygnus.com)
577 * version.c: Bump for snapshot.
579 Sun Mar 22 00:50:42 1998 Nick Clifton <nickc@cygnus.com>
580 Geoff Noer <noer@cygnus.com>
582 * Makefile.in: Various fixes for building cygwin32 native toolchains.
584 * objc/Makefile.in: Various fixes for building cygwin32 native toolchains.
585 * objc/Make-lang.in: Likewise.
587 * config/i386/xm-cygwin32.h (PATH_SEPARATOR): Set to a semi-colon.
589 Sun Mar 22 00:21:46 1998 R. Ganesan <rganesan@novell.com>
591 * configure.in: Handle with-PACKAGE=no correctly
593 Fri Mar 20 17:36:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
595 * Makefile.in (alias.o, bitmap.o, c-aux-info.o, c-common.o,
596 c-decl.o, c-iterate.o, c-lang.o, c-lex.o, c-pragma.o, c-typeck.o,
597 caller-save.o, calls.o, collect2.o, combine.o, cse.o, dbxout.o,
598 dwarf2out.o, dwarfout.o, emit-rtl.o, except.o, explow.o, expmed.o,
599 expr.o, final.o, flow.o, function.o, getpwd.o, global.o,
600 integrate.o, jump.o, local-alloc.o, loop.o, optabs.o, pexecute.o,
601 prefix.o, print-rtl.o, print-tree.o, profile.o, real.o, recog.o,
602 reg-stack.o, regclass.o, regmove.o, reload.o, reload1.o, reorg.o,
603 rtl.o, rtlanal.o, sdbout.o, stmt.o, stor-layout.o, stupid.o,
604 tlink.o, toplev.o, tree.o, unroll.o, varasm.o, xcoffout.o): Depend
607 * alias.c, bitmap.c, c-aux-info.c, c-common.c, c-decl.c,
608 c-iterate.c, c-lang.c, c-lex.c, c-pragma.c, c-typeck.c,
609 caller-save.c, calls.c, collect2.c, combine.c, cse.c, dbxout.c,
610 dwarf2out.c, dwarfout.c, emit-rtl.c, except.c, explow.c, expmed.c,
611 expr.c, final.c, flow.c, function.c, gcc.c, getpwd.c, global.c,
612 integrate.c, jump.c, local-alloc.c, loop.c, optabs.c, pexecute.c,
613 prefix.c, print-rtl.c, print-tree.c, profile.c, real.c, recog.c,
614 reg-stack.c, regclass.c, regmove.c, reload.c, reload1.c, reorg.c,
615 rtl.c, rtlanal.c, sched.c, sdbout.c, stmt.c, stor-layout.c,
616 stupid.c, tlink.c, toplev.c, tree.c, unroll.c, varasm.c,
617 xcoffout.c: Include system.h. Organize include ordering so
618 that stdarg/varargs comes before other system headers. Remove
619 spurious casts of functions assured of a prototype in system.h.
621 Fri Mar 20 11:19:40 1998 Stan Cox <scox@equinox.cygnus.com>
623 * reg-stack.c (pop_stack): Define. Pops any register on the
624 regstack and adjusts regstack.
625 (compare_for_stack_reg): Use pop_stack.
627 Thu Mar 19 23:51:01 1998 Jeffrey A Law (law@cygnus.com)
629 * configure.in (hppa1.0-hp-hpux10): Handle threads for this
632 Thu Mar 19 20:30:31 1998 Philippe De Muyter <phdm@macqel.be>
634 * libgcc2.c (exit): Do not call __bb_exit_func if HAVE_ATEXIT.
636 * fold-const.c (fold): Replace sign-extension of a zero extended
637 value by a single zero extension.
639 Thu Mar 19 00:58:07 1998 Jason Merrill <jason@yorick.cygnus.com>
641 * except.c (init_eh): Do nothing.
642 (save_eh_status): Call init_eh_for_function, not init_eh.
643 * function.c (push_function_context_to): Don't call init_emit.
645 Thu Mar 19 13:39:52 1998 Michael Meissner <meissner@cygnus.com>
647 * rs6000/sysv4.h (RELATIVE_PREFIX_NOT_LINKDIR): Undef for System V
650 Thu Mar 19 10:10:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
652 * final.c (shorten_branches): Add parentheses around +/- in
655 * flow.c (life_analysis): Wrap variable `i' in macro ELIMINABLE_REGS.
657 Thu Mar 19 09:15:17 1998 Manfred Hollstein <manfred@s-direktnet.de>
659 * regclass.c (memory_move_secondary_cost): Wrap uses of
660 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS
663 Thu Mar 19 09:06:35 1998 Manfred Hollstein <manfred@s-direktnet.de>
665 * config/m68k/m68k.md (addqi3): Fix typo gen_INT vs. GEN_INT.
667 * flow.c (life_analysis): #include <sys/types.h> to make sure
669 * cplus-dem.c (demangle_function_name): Likewise.
671 Thu Mar 19 09:00:01 1998 Manfred Hollstein <manfred@s-direktnet.de>
673 * final.c (insn_noperands): Change type to unsigned int.
674 (final_scan_insn): Likewise for noperands;
675 properly check operand number boundaries.
677 Wed Mar 18 16:20:30 1998 Richard Henderson <rth@cygnus.com>
679 * alpha.md (extzv): Don't reject register operands. Fix
682 Wed Mar 18 16:14:23 1998 Richard Henderson <rth@cygnus.com>
684 * dbxout.c (dbxout_function_end): Fix last change. The correct
685 predicate is ASM_OUTPUT_SECTION_NAME.
687 Wed Mar 18 12:43:20 1998 Jim Wilson <wilson@cygnus.com>
689 * sh.md (ashlsi_c-1): Delete 3rd argument to gen_ashlsi_c.
690 (ashlsi): Use match_dup 1 instead of match_operand 2.
692 Wed Mar 18 13:46:07 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
694 * fold-const.c (operand_equal_for_comparison_p): See if equal
695 when nop conversions are removed.
697 Wed Mar 18 13:42:01 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
699 * expr.c (expand_expr, case COND_EXPR): If have conditional move,
700 don't use ORIGINAL_TARGET unless REG.
702 Wed Mar 18 16:53:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
704 * netbsd.h (ASM_OUTPUT_ALIGN): Redefine.
706 Wed Mar 18 12:43:20 1998 Jim Wilson <wilson@cygnus.com>
708 * loop.c (struct movable): New field move_insn_first.
709 (scan_loop): In consec sets code, set it. Clear it otherwise.
710 (move_movables): In consec sets code, use it. Copy REG_NOTES from
711 p to i1 only if i1 does not have REG_NOTES. Delete obsolete ifdefed
714 Wed Mar 18 09:52:56 1998 Richard Henderson <rth@cygnus.com>
716 * rtl.c (read_rtx): Fall back on homebrew atoll if HOST_WIDE_INT
717 is large, and the system doesn't provide atoll or atoq.
720 * alpha/xm-vms.h (HAVE_ATOLL): Define.
721 Reported by Klaus Kaempf <kkaempf@progis.de>.
723 Wed Mar 18 09:56:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
725 * c-lang.c (finish_file): Wrap variable `void_list_node' with macro
726 test !ASM_OUTPUT_CONSTRUCTOR || !ASM_OUTPUT_DESTRUCTOR.
728 * calls.c (emit_call_1): Wrap variable `already_popped' with macro
729 test !ACCUMULATE_OUTGOING_ARGS.
731 * collect2.c (write_c_file_glob): Wrap function definition in
732 macro test !LD_INIT_SWITCH.
734 * combine.c (try_combine): Wrap variables `cc_use' and
735 `compare_mode' in macro test EXTRA_CC_MODES.
737 * cpplib.c (do_ident): Remove unused variable `len'.
738 (skip_if_group): Remove unused variables `at_beg_of_line' and
740 (cpp_get_token): Remove unused variable `dummy'.
742 * dbxout.c (scope_labelno): Move static variable definition inside
743 the one function scope where it is used.
744 (dbxout_function_end): Wrap prototype and definition in
745 macro test !NO_DBX_FUNCTION_END.
747 * dwarf2out.c (add_subscript_info): Wrap variable `dimension_number'
748 in macro test !MIPS_DEBUGGING_INFO.
750 * expr.c (expand_builtin_setjmp): Move declaration of variable `i'
751 into the scope where it is used. Wrap empty else-statement body
754 * fix-header.c: Fix typo in comment.
755 (inf_skip_spaces): Cast results of INF_UNGET to (void).
756 (check_protection, main): Likewise.
758 * flow.c (find_basic_blocks_1): Remove dangling comment text.
760 * function.c (contains): Wrap prototype and definition in macro
761 test HAVE_prologue || HAVE_epilogue.
762 (fixup_var_refs_1): Remove unused variable `width'.
764 * gen-protos.c (main): Remove unused variable `optr'.
766 * haifa-sched.c (debug_control_flow): Remove unused variable `j'.
768 * libgcc2.c (__udiv_w_sdiv): Provide dummy return value of 0.
769 (__sjpopnthrow): Remove unused variable `jmpbuf'.
770 (__throw): Remove unused variable `val'.
772 * protoize.c: Check for a previously existing definition before
773 defining *_OK macros.
775 * scan-decls.c (scan_decls): Remove unused variable `old_written'.
777 Tue Mar 17 00:45:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
779 * vax.h (ADDR_VEC_ALIGN): Define.
781 Mon Mar 16 15:57:17 1998 Michael Meissner <meissner@cygnus.com>
783 * gcc.c (default_arg): Don't wander off the end of allocated
786 (From Geoffrey Keating <geoffk@ozemail.com.au>)
787 * rs6000.c (small_data_operand): Ensure that any address
788 referenced relative to the small data area is inside the SDA.
790 Mon Mar 16 12:55:15 1998 Jim Wilson <wilson@cygnus.com>
792 * config/m68k/netbsd.h (ASM_SPEC): Add %{m68060}.
794 Mon Mar 16 15:50:20 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
796 * except.h (in_same_eh_region): New prototype.
797 (free_insn_eh_region, init_insn_eh_region): New prototypes.
798 * except.c (insn_eh_region, maximum_uid): New static variables.
799 (set_insn_eh_region): New static function to set region numbers.
800 (free_insn_eh_region): New function to free EH region table.
801 (init_insn_eh_region): New function to initialize EH region table.
802 (in_same_eh_region): New function used to determine if two rtl
803 instructions are in the same exception region or not.
804 * final.c (final): Initialize the table indicating which instructions
805 belong in which exception region.
806 * genpeep.c (main): Add "except.h" to include file list in generated
808 * config/sparc/sparc.md: Add calls to 'in_same_eh_region' in 4
809 peepholes involving calls and unconditional branches.
811 Mon Mar 16 12:12:36 1998 Ken Raeburn <raeburn@cygnus.com>
813 * reload.h (MEMORY_MOVE_COST): Define here if not already defined;
814 if HAVE_SECONDARY_RELOADS, factor in copying cost.
815 (memory_move_secondary_cost): Declare.
816 * regclass.c (MEMORY_MOVE_COST): Don't define default here.
817 (memory_move_secondary_cost) [HAVE_SECONDARY_RELOADS]: New
819 (regclass, record_reg_classes, copy_cost, record_address_regs):
820 Pass register class and direction of move to MEMORY_MOVE_COST.
821 * reload1.c (MEMORY_MOVE_COST): Don't define default here.
822 (emit_reload_insns, reload_cse_simplify_set): Pass register class
823 and direction of move to MEMORY_MOVE_COST.
824 * 1750a.c, a29k.h, alpha.h, arc.h, arm.h, dsp16xx.h, i386.h,
825 m32r.h, m88k.h, rs6000.h (MEMORY_MOVE_COST): Add extra ignored
826 arguments to definition, even in comments.
827 * mips.h (MEMORY_MOVE_COST): Add extra arguments; add
828 memory_move_secondary_cost result to cpu-specific cost.
830 Mon Mar 16 11:16:50 1998 Jim Wilson <wilson@cygnus.com>
832 * README.gnat: New file.
834 Mon Mar 16 11:14:20 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
836 * config/m68k/m68k.c: Include <stdlib.h> for atoi. Include
837 "recog.h" for offsettable_memref_p.
838 (legitimize_pic_address): Remove unused variable `offset'.
839 (notice_update_cc): Change return type to void. Add default label
841 (standard_68881_constant_p): Remove unused variable mode.
842 (print_operand): Define local variable i only if SUPPORT_SUN_FPA.
843 (const_int_cost): Explicitly declare as returning int.
844 (output_dbcc_and_branch): Change return type to void.
846 * config/m68k/linux.h, config/m68k/m68k.md, config/m68k/m68k.c,
847 config/m68k/m68k.h: Replace gen_rtx (XXX, ...) with gen_rtx_XXX
848 (...). Use GEN_INT instead of gen_rtx_CONST_INT.
850 Sun Mar 15 22:30:44 PST 1998 Jeff Law (law@cygnus.com)
852 * version.c: Bump for snapshot.
854 Fri Mar 13 11:30:12 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
856 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Fix logic in range
857 check for 'M' constraint.
859 Thu Mar 12 14:47:14 1998 Jim Wilson <wilson@cygnus.com>
861 * cccp.c (create_definition): If pedantic, call pedwarn for macro
864 Thu Mar 12 13:43:25 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
866 * i386.c (ix86_logical_operator): New function.
867 (split_di): Ensure that when a MEM is split, the resulting MEMs have
869 * i386.md (anddi3, xordi3, iordi3): New patterns. Add a define_split
872 Thu Mar 12 15:13:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
873 Richard Earnshaw <rearnsha@arm.com>
874 Nick Clifton <nickc@cygnus.com>
876 * tm.texi (DEFAULT_RTX_COSTS): Document new macro.
878 * arm.h (DEFAULT_RTX_COSTS): Define instead of RTX_COSTS.
880 * cse.c (rtx_cost): Provide a default case in an enumeration
881 switch, and call DEFAULT_RTX_COSTS if it's defined.
883 Thu Mar 12 10:02:38 1998 Manfred Hollstein <manfred@s-direktnet.de>
885 * basic-block.h (compute_preds_succs): Change return type in
887 * flow.c (compute_preds_succs): Likewise in function definition.
889 * regmove.c (find_matches): Cast char used as array index to unsigned char
892 Thu Mar 12 09:39:40 1998 Manfred Hollstein <manfred@s-direktnet.de>
894 * i386.h (RTX_COSTS): Insert braces around nested if.
895 (ADDITIONAL_REGISTER_NAMES): Insert braces around structured
898 * gcc.c (default_compilers): Properly put brackets around array elements in
901 * getopt.c (_getopt_internal): Add explicit braces around nested if;
904 * reg-stack.c (record_asm_reg_life): Add explicit braces around nested if's.
905 (record_reg_life_pat): Add explicit parens around && and || in expression.
906 (stack_reg_life_analysis): Add parens around assignment used as expression.
907 (convert_regs): Likewise.
909 Thu Mar 12 09:25:29 1998 Manfred Hollstein <manfred@s-direktnet.de>
911 * bitmap.c (bitmap_element_allocate): Remove unused parameter;
912 change callers accordingly.
914 * cplus-dem.c (arm_special): Remove unused parameter work in prototype
915 and definition; change all callers accordingly.
917 * except.c (init_eh): Avoid assignment of unused return value of
918 build_pointer_type; cast it to void, instead, and remove unused
921 * gcc.c (lang_specific_driver): Define prototype only #ifdef
922 LANG_SPECIFIC_DRIVER.
923 (temp_names): Define only #ifdef MKTEMP_EACH_FILE.
925 * genoutput.c (output_epilogue): Initialize next_name to 0.
927 * real.c (efrexp): #if 0 prototype and function definition.
935 * reload.c (push_secondary_reload): Define prototype only
936 #ifdef HAVE_SECONDARY_RELOADS.
938 * varasm.c (assemble_static_space): Define rounded only
939 #ifndef ASM_OUTPUT_ALIGNED_LOCAL.
941 Thu Mar 12 09:11:35 1998 Manfred Hollstein <manfred@s-direktnet.de>
943 * i386.md (andsi): Add default case in enumeration switch.
948 Thu Mar 12 08:37:02 1998 Manfred Hollstein <manfred@s-direktnet.de>
950 * c-decl (finish_struct): Change type of min_align to unsigned.
952 * cplus-dem.c (demangle_function_name): Change type of variable i to size_t;
953 remove unused variable len.
955 * dwarf2out.c (reg_save): Add explicit cast of -1 to unsigned and a
956 comment indicating this is proper behaviour.
957 (reg_loc_descriptor): Remove redundant comparison of unsigned variable
959 (based_loc_descr): Likewise.
961 * enquire.c (bitpattern): Change type of variable i to unsigned.
963 * final.c (output_asm_insn): Don't cast insn_noperands to unsigned.
965 * flow.c (life_analysis): Change type of variable i to size_t;
966 remove unused variable insn.
968 * gcc.c (translate_options): Change type of variables optlen, arglen and
970 (input_filename_length): Change type to size_t.
971 (do_spec_1): Change type of variable bufsize to size_t.
972 (main): Change type of variables i and j to size_t;
973 remove subblock local definition of variable i.
974 (lookup_compiler): Change type of second argument to size_t;
975 change type of variable i to size_t.
977 * genemit.c (output_init_mov_optab): Change type of variable i to size_t.
979 * genopinit.c (get_insn): Change type of variable pindex to size_t.
981 * genrecog.c (add_to_sequence): Change type of variable i to size_t.
983 * global.c (global_alloc): Change type of variable i to size_t.
985 * regclass.c (init_reg_sets): Change type of variables i and j to unsigned.
987 * stmt.c (expand_end_bindings): Change type of variable i to size_t.
988 (expand_end_case): Change type of variable count to size_t.
990 * toplev.c (main): Change type of variable j to size_t.
991 (set_target_switch): Change type of variable j to size_t.
992 (print_switch_values): Change type of variable j to size_t;
993 remove unused variable flags.
995 * varasm.c (assemble_variable): Change type of variable align to size_t.
996 (const_hash_rtx): Change type of variable i to size_t.
998 1998-03-11 Mark Mitchell <mmitchell@usa.net>
1000 * dbxout.c (dbxout_type_methods): Only treat TYPE_METHODS as a
1001 TREE_VEC if that's what it really is.
1003 Wed Mar 11 15:16:01 1998 Michael Meissner <meissner@cygnus.com>
1005 * {haifa-,}sched.c (rank_for_schedule): Only take void * arguments
1008 Wed Mar 11 12:05:20 1998 Teemu Torma <tot@trema.com>
1010 * gthr.h: Changed the comment about return values.
1011 * gthr-solaris.h (__gthread_once): Do not use errno; return the
1012 error number instead of -1.
1013 (__gthread_key_create): Any non-zero return value is an error.
1014 * libgcc2.c (eh_context_initialize): Check for non-zero return
1015 value from __gthread_once.
1016 Check that the value of get_eh_context was really changed.
1018 Wed Mar 11 18:26:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1020 * sh.h (LOOP_ALIGN): Only align when optimizing.
1021 * sh.c (find_barrier): Clear inc for CODE_LABELs.
1022 When not optimizing, calculate alignment for BARRIERs directly.
1024 Wed Mar 11 15:07:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1026 * final.c (shorten_branches): Remove conditionalizing on
1027 SHORTEN_WITH_ADJUST_INSN_LENGTH
1028 * sh.h, pa.h (SHORTEN_WITH_ADJUST_INSN_LENGTH): Remove.
1030 Wed Mar 11 02:37:41 1998 Jeffrey A Law (law@cygnus.com)
1032 * flow.c (find_basic_blocks_1): Keep the cfg accurate when removing
1033 an unconditional jump around deleted blocks.
1035 Mon Mar 9 12:02:23 1998 Jim Wilson <wilson@cygnus.com>
1037 * profile.c (branch_prob): If see computed goto, call fatal instead of
1040 * config/mips/sni-svr4.h (CPP_PREDEFINE): Add -DSNI and -Dsinix.
1042 * configure.in (alpha-dec-osf): Add default case for osf* to switch.
1043 Patch from Bruno Haible.
1045 * function.c (put_reg_into_stack): Copy MEM_IN_STRUCT_P from new.
1046 (assign_parms): Set aggregate if hide_last_arg and last_named.
1048 Mon Mar 9 19:57:56 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1050 * final.c (shorten_branches): Initialize insn_addresses.
1052 Mon Mar 9 14:10:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1054 * sh.h (MUST_PASS_IN_STACK): Define.
1056 Sun Mar 8 13:01:56 1998 Jeffrey A Law (law@cygnus.com)
1058 * final.c (shorten_branches): Fix minor logic error in
1059 ADDR_DIFF_VEC shortening support.
1061 Sun Mar 8 02:17:42 PST 1998 Jeff Law (law@cygnus.com)
1063 * version.c: Bump for snapshot.
1065 Sat Mar 7 00:54:15 1998 Jeffrey A Law (law@cygnus.com)
1067 * haifa-sched.c (is_cfg_nonregular): Change return type to
1068 an int. No longer compute "estimated" number of edges. Use
1069 computed_jump_p instead of duplicating the code. Fixup/add
1071 (build_control_flow): Returns a value indicating an irregularity
1072 in the cfg was detected. Count the number of edges in the cfg.
1073 allocate various edge tables.
1074 (find_rgns): No longer look for unreachable blocks.
1075 (schedule_insns): Do not allocate memory for edge tables here.
1076 Free memory for edge tables before returning. Do not perform
1077 cross block scheduling if build_control_flow returns nonzero.
1078 * flow.c (compute_preds_succs): More accurately determine when
1081 * basic-block.h (free_basic_block_vargs): Provide prototype.
1083 * cccp.c (main): Fix dumb mistakes in last change.
1085 Fri Mar 6 21:28:45 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1087 * rtl.h (addr_diff_vec_flags): New typedef.
1088 (union rtunion_def): New member rt_addr_diff_vec_flags.
1089 (ADDR_DIFF_VEC_FLAGS): New macro.
1091 * sh.c (output_branch): Fix offset overflow problems.
1093 * final.c (shorten_branches): Implement CASE_VECTOR_SHORTEN_MODE.
1094 (final_scan_insn): New argument BODY for ASM_OUTPUT_ADDR_DIFF_ELT.
1095 * rtl.def (ADDR_DIFF_VEC): Three new fields (min, max and flags).
1096 * stmt.c (expand_end_case): Supply new arguments to
1097 gen_rtx_ADDR_DIFF_VEC.
1098 * 1750a.h (ASM_OUTPUT_ADDR_DIFF_ELT): New argument BODY.
1099 * alpha.h, arc.h, clipper.h, convex.h : Likewise.
1100 * dsp16xx.h, elxsi.h, fx80.h, gmicro.h, h8300.h : Likewise.
1101 * i370.h, i386.h, i860.h, i960.h, m32r.h, m68k.h, m88k.h : Likewise.
1102 * mips.h, mn10200.h, mn10300.h, ns32k.h, pa.h, pyr.h : Likewise.
1103 * rs6000.h, sh.h, sparc.h, spur.h, tahoe.h, v850.h : Likewise.
1104 * vax.h, we32k.h, alpha/vms.h, arm/aof.h, arm/aout.h : Likewise.
1105 * i386/386bsd.h, i386/freebsd-elf.h : Likewise.
1106 * i386/freebsd.h, i386/linux.h : Likewise.
1107 * i386/netbsd.h, i386/osfrose.h, i386/ptx4-i.h, i386/sco5.h : Likewise.
1108 * i386/sysv4.h, m68k/3b1.h, m68k/dpx2.h, m68k/hp320.h : Likewise.
1109 * m68k/mot3300.h, m68k/sgs.h : Likewise.
1110 * m68k/tower-as.h, ns32k/encore.h, sparc/pbd.h : Likewise.
1111 * sh.h (INSN_ALIGN, INSN_LENGTH_ALIGNMENT): Define.
1112 (CASE_VECTOR_SHORTEN_MODE): Define.
1113 (short_cbranch_p, align_length, addr_diff_vec_adjust): Don't declare.
1114 (med_branch_p, braf_branch_p): Don't declare.
1115 (mdep_reorg_phase, barrier_align): Declare.
1116 (ADJUST_INSN_LENGTH): Remove alignment handling.
1117 * sh.c (uid_align, uid_align_max): Deleted.
1118 (max_uid_before_fixup_addr_diff_vecs, branch_offset): Deleted.
1119 (short_cbranch_p, med_branch_p, braf_branch_p, align_length): Deleted.
1120 (cache_align_p, fixup_aligns, addr_diff_vec_adjust): Deleted.
1121 (output_far_jump): Don't use braf_branch_p.
1122 (output_branchy_insn): Don't use branch_offset.
1123 (find_barrier): Remove checks for max_uid_before_fixup_addr_diff_vecs.
1124 Remove paired barrier stuff.
1125 Don't use cache_align_p.
1126 Take alignment insns into account.
1127 (fixup_addr_diff_vecs): Reduce to only fixing up the base label of
1129 (barrier_align, branch_dest): New function.
1130 (machine_dependent_reorg, split_branches): Remove infrastructure
1131 for branch shortening that is now provided in the backend.
1132 * sh.md (short_cbranch_p, med_branch_p, med_cbranch_p): New attributes.
1133 (braf_branch_p, braf_cbranch_p): Likewise.
1134 (attribute length): Use new attributes.
1135 (casesi_worker): Get mode and unsignednedd from ADDR_DIFF_VEC.
1136 (addr_diff_vec_adjust): Delete.
1137 (align_2): Now a define_expand.
1138 (align_log): Now length 0.
1140 Fri Mar 6 14:41:33 1998 Michael Meissner <meissner@cygnus.com>
1142 * m32r.md (right): Correctly check for length == 2, not 1.
1144 Fri Mar 6 14:00:04 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1146 * mips/mips.h: Prototype `machine_dependent_reorg'.
1147 (ASM_OUTPUT_ALIGN): Remove unused variable `mask'.
1149 Fri Mar 6 11:43:35 1998 Joern Rennecke (amylaar@cygnus.co.uk)
1151 * final.c (shorten_branches): Restore accidentally removed code.
1153 Fri Mar 6 11:00:49 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1155 * configure.in: Remove duplicate uses of AC_PROG_CC and
1158 Fri Mar 6 00:59:30 1998 Richard Henderson <rth@cygnus.com>
1160 * configure.in (target_cpu_default2): Correct typo for alphapca56.
1162 Thu Mar 5 23:24:50 1998 Jeffrey A Law (law@cygnus.com)
1163 Doug Evans (devans@cygnus.com)
1165 * haifa-sched.c (build_jmp_edges): Delete dead function.
1166 (build_control_flow): Use cfg routines from flow.c
1167 (schedule_insns): Remove debugging code accidentally checked
1170 * basic-block.h: Add external integer list structures, typdefs,
1171 accessor macros and function declarations. Simlarly for
1172 basic block pred/succ support and simple bitmap stuff.
1173 * flow.c: Add functions for integer list, basic block pred/succ
1174 support and simple bitmap support.
1175 (compute_dominators): New function to compute dominators and
1177 (find_basic_blocks): Split into two functions.
1178 (life_analysis): Likewise.
1179 (flow_analysis): Removed. Now handled by calling find_basic_blocks,
1180 the life_analysis from toplev.c
1181 * toplev.c (rest_of_compilation): Call find_basic_blocks, then
1182 life_analysis instead of flow_analysis.
1184 Thu Mar 5 23:06:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1186 * jump.c (jump_optimize): Call mark_jump_label also for deleted
1188 (mark_jump_label): Don't increment ref counts for deleted insns.
1190 Thu Mar 5 09:55:15 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1192 * mips/iris6.h (TARGET_DEFAULT): Parenthesize macro definition.
1194 * mips/mips.c: Include stdlib.h and unistd.h.
1195 (mips_asm_file_end): Add braces around empty body in an if-statement.
1196 (function_prologue): Wrap variable `fnname' in
1197 !FUNCTION_NAME_ALREADY_DECLARED. Correct format specifier in fprintf.
1198 (mips_select_rtx_section, mips_select_section): Declare as void.
1200 * mips/mips.h: Add prototypes for extern functions in mips.c.
1201 (FUNCTION_ARG_REGNO_P): Add parentheses around && within ||.
1202 (ENCODE_SECTION_INFO): Add braces around empty body in an
1205 * mips/mips.md (movdi): Add parentheses around && within ||.
1206 (movsf, movdf): Likewise.
1207 (branch_zero, branch_zero_di): Add default case in
1211 Thu Mar 5 02:45:48 1998 Richard Henderson <rth@cygnus.com>
1213 * alpha/alpha.h (TARGET_WINDOWS_NT, TARGET_OPEN_VMS): Just make them
1214 real constants, since they can't be changed.
1215 (TARGET_AS_CAN_SUBTRACT_LABELS): New.
1216 * alpha/alpha.md (builtin_setjmp_receiver): Use it.
1217 * alpha/osf.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
1218 * alpha/osf2or3.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
1219 * alpha/vms.h (TARGET_OPEN_VMS): New.
1220 * alpha/win-nt.h (TARGET_WINDOWS_NT): New.
1222 Thu Mar 5 02:41:27 1998 Richard Henderson <rth@cygnus.com>
1224 * reload.c (find_reloads): Always force (subreg (mem)) to be
1225 reloaded if WORD_REGISTER_OPERATIONS.
1227 Thu Mar 5 02:14:44 1998 Richard Henderson <rth@cygnus.com>
1229 * haifa-sched.c (free_list): Rename from free_pnd_lst.
1230 (free_pending_lists): Rename free_pnd_lst uses.
1231 (remove_dependence): Place expunged element on unused_insn_list.
1232 (alloc_INSN_LIST, alloc_EXPR_LIST): New. Change all callers of
1233 gen_rtx_*_LIST and alloc_rtx to use them.
1234 (compute_block_backward_dependences): Free the reg_last_* lists.
1236 Thu Mar 5 00:05:40 1998 Jeffrey A Law (law@cygnus.com)
1238 * cccp.c (main): Avoid undefined behavior when setting pend_includes
1241 Wed Mar 4 21:58:25 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
1243 * rs6000/linux.h: don't define DEFAULT_VTABLE_THUNKS to 1 if
1244 USE_GNULIBC_1 is defined
1245 * configure.in: add a new case powerpc-*-linux-gnulibc1 which
1246 includes the t-linux-gnulibc1 fragment
1248 Wed Mar 4 12:11:36 1998 Jim Wilson <wilson@cygnus.com>
1250 * mips.md (movdf_internal1a): Fix misplaced parenthesis in condition.
1252 Wed Mar 4 18:47:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1254 * final.c (final_scan_insn, case CODE_LABEL: Cleanup.
1256 Wed Mar 4 15:51:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1258 * final.c (shorten_branches): Tag the loop alignment onto the
1259 first label after NOTE_INSN_LOOP_BEG even if there is an
1262 Tue Mar 3 21:48:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1264 * final.c (insn_current_reference_address):
1265 Use SEQ instead of BRANCH as argument to align_fuzz, to get a
1266 proper alignment chain.
1268 * final.c (max_labelno): New static variable.
1269 (final_scan_insn): Check max_labelno before outputting an
1270 alignment for a label.
1271 (shorten_branches): Remove unused variable length_align.
1273 Tue Mar 3 14:27:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1275 * sparc.c (ultrasparc_adjust_cost): Add default case in
1278 * sparc.h: Add prototypes for extern functions defined in
1281 Tue Mar 3 10:00:11 1998 Nick Clifton <nickc@cygnus.com>
1283 * toplev.c: Only generate <name>.dbr file when dumping RTL if
1284 DEALY_SLOTS is defined.
1286 Tue Mar 3 07:36:37 1998 Manfred Hollstein <manfred@s-direktnet.de>
1288 * reorg.c (fill_eager_delay_slots): Add new argument delay_list
1289 in call to fill_slots_from_thread.
1291 Mon Mar 2 13:45:03 1998 Richard Henderson <rth@cygnus.com>
1293 * alpha/linux.h (CPP_PREDEFINES): Correct connecting whitespace
1294 to SUB_CPP_PREDEFINES. Reported by asun@saul4.u.washington.edu.
1296 Mon Mar 2 22:59:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1298 * final.c (insn_last_address, insn_current_align, uid_align):
1300 (in_align_chain, align_fuzz, align_shrink_fuzz): New functions.
1301 (insn_current_reference_address): Likewise.
1302 (shorten_branches, final_scan_insn): Implement LABEL_ALIGN,
1303 LABEL_ALIGN_AFTER_BARRIER and LOOP_ALIGN target macros.
1304 (label_to_alignment): New function.
1305 * genattrtab.c (write_test_expr): If one of LABEL_ALIGN,
1306 LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN is defined, call
1307 insn_current_reference_address instead of insn_current_address.
1308 (or_attr_value, write_length_unit_log): New functions.
1309 (main): Call write_length_unit_log.
1310 (write_const_num_delay_slots): Output extra '\n'.
1311 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE):
1313 (LOOP_ALIGN, ALIGN_LABEL_AFTER_BARRIER).
1314 * i386.h, i386/osfrose.h, i386/svr3dbx.h, m68k.h, sparc.h: Likewise.
1315 * arc.h, m32r.h (ASM_OUTPUT_LOOP_ALIGN): replace with:
1317 * i960.h, m88k.h: (ASM_OUTPUT_ALIGN_CODE): Replace with:
1318 (LABEL_ALIGN_AFTER_BARRIER).
1319 * ns32k/encore.h, ns32k/merlin.h, ns32k.h, ns32k/sequent.h: Likewise.
1320 * ns32k/tek6000.h: Likewise.
1321 * i386/gas.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Delete.
1322 * i386.md (casesi+1): Use ASM_OUTPUT_ALIGN instead of
1323 ASM_OUTPUT_ALIGN_CODE.
1325 Mon Mar 2 01:05:50 PST 1998 Jeff Law (law@cygnus.com)
1327 * version.c: Bump for snapshot.
1329 Mon Mar 2 00:52:18 PST 1998 Jeff Law (law@cygnus.com)
1331 * version.c: Bump for snapshot.
1333 Sun Mar 1 18:25:49 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
1335 * reorg.c (fill_slots_from_thread): Don't steal delay list from target
1336 if condition code of jump conflicts with opposite_needed.
1338 * reorg.c (fill_slots_from_thread): Mark resources referenced in
1339 opposite_needed thread. Return delay_list even when cannot get
1340 any more delay insns from end of subroutine.
1342 Sun Mar 1 18:26:21 1998 Ken Rose (rose@acm.org)
1344 * reorg.c (fill_slots_from_thread): New parameter, delay_list.
1345 All callers changed.
1347 Sun Mar 1 18:25:37 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
1349 * frame.c (start_fde_sort, fde_split, heapsort, fde_merge,
1350 end_fde_sort): New functions for fast sorting of an FDE array.
1351 (fde_insert): Simplified.
1352 (add_fdes): Change argument list.
1353 (frame_init): Use the new functions.
1355 Sun Mar 1 18:06:21 1998 Jeffrey A Law (law@cygnus.com)
1357 * ginclude/va-ppc.h (va_arg): Fix typo in long long support.
1359 * i386.c (reg_mentioned_in_mem): Fix dangling else statement.
1361 * fold-const.c (fold_range_test): Always return a value.
1363 Sun Mar 1 17:57:34 1998 Mumit Khan <khan@xraylith.wisc.edu>
1365 * config/i386/winnt.c (i386_pe_unique_section): Put read-only
1366 data in the text section unless READONLY_DATA_SECTION is defined.
1368 Sun Mar 1 17:48:46 1998 Jeffrey A Law (law@cygnus.com)
1370 * c-parse.in (undeclared variable error): Tweak error message to
1373 Sun Mar 1 10:22:36 PST 1998 Jeff Law (law@cygnus.com)
1375 * version.c: Bump for snapshot.
1377 1998-02-28 Mark Mitchell <mmitchell@usa.net>
1379 * final.c (final_scan_insn): Undo overzealous removal of `set'.
1381 Sat Feb 28 07:54:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1383 * pa.h (CONST_COSTS): When checking the CONST_DOUBLE enumerated
1384 case, add parentheses to specify the proper order of precedence in
1388 * c-aux-info.c: Include string.h/strings.h.
1390 * pa.c: Include stdlib.h.
1391 (pa_combine_instructions): Prototype the function.
1392 (pa_can_combine_p, forward_branch_p, shadd_constant_p): Likewise.
1393 (reloc_needed): Add default case for enumeration switch.
1394 (remove_useless_addtr_insns): Remove unused variable `all'.
1395 (hppa_expand_prologue): Add explicit braces to avoid
1397 (output_function_epilogue): Remove unused variable `i'.
1398 (output_millicode_call): Remove unused variable `link'.
1399 (shadd_constant_p, forward_branch_p): Make the function static.
1400 (following_call): Explicitly declare to return int.
1401 (pa_reorg): Declare as void.
1402 (pa_combine_instructions): Declare as static void. Add
1403 parentheses around && within ||.
1405 * pa.h: Add prototypes for pa_reorg, symbolic_operand,
1406 following_call, function_label_operand, lhs_lshift_cint_operand
1409 * pa.md: Add parentheses around && within ||.
1411 * cppalloc.c: Include stdlib.h.
1413 * cpperror.c (cpp_print_containing_files): Remove unused variable
1414 `i'. Fix format specifier in fprintf.
1416 * cse.c (cse_around_loop): Add explicit braces to avoid
1418 (delete_dead_from_cse): Wrap variable `tem' in macro HAVE_cc0.
1420 * expr.c (expand_expr): Add parentheses around && within ||.
1422 * final.c (app_enable): Replace fprintf with fputs where there are
1423 no format specifiers and no trailing argument after the string.
1424 Eg, when printing ASM_APP_ON/ASM_APP_OFF.
1425 (app_disable): Likewise.
1426 (final_end_function): Likewise.
1427 (final_scan_insn): Likewise. Remove unused variable `set'.
1428 (profile_function): Wrap empty if-statement body in {} brackets.
1430 * function.c: Include stdlib.h.
1431 (pad_below): Wrap prototype and definition in ARGS_GROW_DOWNWARD.
1432 (reposition_prologue_and_epilogue_notes): Add parentheses
1433 around assignment used as truth value.
1435 * integrate.c (expand_inline_function): Wrap variable
1436 `cc0_insn' in macro HAVE_cc0.
1438 * jump.c (jump_optimize): Wrap variable `q' in macro
1439 HAVE_cc0. Remove unused variable `prev1'.
1441 * libgcc2.c (__bb_exit_trace_func): Add parentheses around &&
1442 within ||. Fix format specifier in fprintf.
1443 (__bb_init_prg): Add parentheses around assignment used as
1446 * local-alloc.c: Include stdlib.h.
1447 (requires_inout): Add parentheses around assignment used
1450 * loop.c (analyze_loop_iterations): Wrap prototype and definition
1451 in macro HAVE_decrement_and_branch_on_count.
1452 (insert_bct, instrument_loop_bct): Likewise.
1453 (move_movables): Add parentheses around assignment used as
1455 (consec_sets_invariant_p): Likewise.
1456 (maybe_eliminate_biv_1): Wrap variable `new' in macro HAVE_cc0.
1458 * objc/objc-act.c: Include stdlib.h.
1459 (lookup_method_in_protocol_list): Wrap empty else-statement body
1461 (lookup_protocol_in_reflist): Likewise.
1462 (objc_add_static_instance): Remove unused variables `decl_expr'
1464 (get_objc_string_decl): Remove unused variable `decl'.
1465 (generate_static_references): Remove unused variables `idecl' and
1467 (check_protocols): Wrap empty else-statement body in braces.
1469 * protoize.c: Include stdlib.h.
1470 (substr): Add parentheses around assignment used as truth value.
1471 (abspath): Likewise.
1472 (shortpath): Likewise.
1474 * regmove.c (fixup_match_1): Add parentheses around assignment
1475 used as truth value.
1477 * reload.c (push_secondary_reload): Remove unused variable `i'.
1478 (find_reloads): Add parentheses around assignment used as truth
1481 * reload1.c: Include stdlib.h.
1483 * rtl.h: Correct typo in prototype of offsettable_memref_p.
1485 * stmt.c (add_case_node): Add parentheses around assignment used
1487 (case_tree2list): Likewise.
1489 * tree.c (valid_machine_attribute): Wrap variable `decl_attr_list'
1490 in macro VALID_MACHINE_DECL_ATTRIBUTE. Wrap variable
1491 `type_attr_list' in macro VALID_MACHINE_TYPE_ATTRIBUTE.
1492 (merge_attributes): Add explicit braces to avoid ambiguous
1495 * unroll.c (copy_loop_body): Wrap variable `cc0_insn' in
1498 * varasm.c: Include stdlib.h.
1501 * system.h: Remove sys/stat.h.
1502 * gcc.c: Add sys/stat.h.
1504 * genattr.c: Wrap prototype of `free' in NEED_DECLARATION_FREE.
1505 * genattrtab.c: Likewise.
1506 * genconfig.c: Likewise.
1507 * genemit.c: Likewise.
1508 * genextract.c: Likewise.
1509 * genflags.c: Likewise.
1510 * genopinit.c: Likewise.
1511 * genoutput.c: Likewise.
1512 * genpeep.c: Likewise.
1513 * genrecog.c: Likewise.
1514 * tlink.c: Likewise. Also wrap `getenv' in NEED_DECLARATION_GETENV.
1516 Fri Feb 27 11:02:47 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1518 * invoke.texi: Use @itemx for a secondary item in a @table.
1520 * config/m68k/m68k.md (movsf+1): Optimize moving a CONST_DOUBLE
1523 1998-02-26 Ken Raeburn <raeburn@cygnus.com>
1525 * regclass.c (init_reg_sets): Move init of move cost tables...
1526 (init_reg_sets_1): ...to here.
1528 Thu Feb 26 00:13:21 1998 Ian Lance Taylor <ian@cygnus.com>
1530 * choose-temp.c: Fix handling of sys/file.h to work in libiberty.
1532 Wed Feb 25 23:40:54 1998 Jeffrey A Law (law@cygnus.com)
1534 * i386.c (struct machine_function): Add new fields for PIC stuff.
1535 (save_386_machine_status): Fix argument to xmalloc. Save pic_label_rtx
1537 (restore_386_machine_status): Corresponding changes.
1538 (clear_386_stack_locals): Also clear pic_label_rtx and pic_label_name.
1540 Wed Feb 25 01:31:40 1998 Jeffrey A Law (law@cygnus.com)
1542 * c-parse.y (undeclared variable error): Tweak error message
1545 Tue Feb 24 23:54:07 1998 Richard Henderson <rth@cygnus.com>
1547 * flags.h (g_switch_value, g_switch_set): Declare.
1548 * alpha.c (override_options): Set g_switch_value=8 if not set.
1549 * alpha/elf.h (CC1_SPEC): New.
1551 (LINK_SPEC): Pass along the -G value we were given.
1552 (LOCAL_ASM_OP): Remove.
1553 (ASM_OUTPUT_ALIGNED_LOCAL): Output to .bss or .sbss by size.
1554 (MAX_OFILE_ALIGNMENT): New.
1555 (BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP): New.
1556 (EXTRA_SECTIONS): Add sbss and sdata.
1557 (SECTION_FUNCTION_TEMPLATE): New.
1558 (EXTRA_SECTION_FUNCTIONS): Use it.
1559 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
1560 (SELECT_SECTION): Use sdata when small enough.
1561 * alpha/linux.h (ASM_SPEC): Remove.
1564 Mon Feb 23 15:09:18 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
1565 * config.sub (sco5): Fix typo.
1567 Mon Feb 23 18:19:31 1998 Manfred Hollstein <manfred@s-direktnet.de>
1569 * config/t-linux (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Add macros and
1571 * config/t-linux-aout (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Likewise.
1572 * config/alpha/t-linux: Remove file.
1573 * config/sparc/t-linux: Remove file.
1574 * config/m68k/t-linux (LIBGCC1, CROSS_LIBGCC1): Remove.
1575 * config/m68k/t-linux-aout (LIBGCC1, CROSS_LIBGCC1): Likewise.
1576 * configure.in (alpha*-*-linux-gnulibc1*): Use t-linux instead of alpha/t-linux
1578 (alpha*-*-linux-gnu*): Likewise.
1579 (sparc-*-linux-gnulibc1*): Use t-linux instead of sparc/t-linux for tmake_file.
1580 (sparc-*-linux-gnu*): Likewise.
1582 Mon Feb 23 10:47:39 1998 Robert Lipe <robertl@dgii.com>
1583 * collect2.c (ldd_file_name): Bracket declaration with same
1585 (full_real_ld_suffix): Deleted. Variable was calloced and
1586 written into, but never read.
1588 1998-02-23 Mike Stump <mrs@wrs.com>
1590 * configure.in: Add support for i386-wrs-vxworks configuration.
1591 * i386/vxi386.h: New file.
1593 Sun Feb 22 21:16:51 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
1595 * tree.c (contains_placeholder_p): Ensure function always returns
1597 * sparc.md (movdi_sp64_insn): Add default case in enumeration switch.
1598 (movsf_const_insn, movdf_const_insn, movtf_const_insn): Likewise.
1600 Sun Feb 22 20:58:19 1998 Jeffrey A Law (law@cygnus.com)
1602 * vms.h (SELECT_SECTION): Use TREE_CODE_CLASS correctly.
1604 1998-02-22 Paul Eggert <eggert@twinsun.com>
1606 * config/sparc/sol2-sld.h (LINKER_DOES_NOT_WORK_WITH_DWARF2):
1607 Define this new symbol.
1608 (DWARF2_DEBUGGING_INFO, DWARF_DEBUGGING_INFO): Do not #undef.
1609 * toplev.c (main): Do not default to DWARF2_DEBUG with -ggdb if
1610 LINKER_DOES_NOT_WORK_WITH_DWARF2 is defined.
1612 Sun Feb 22 20:07:32 1998 Jim Wilson <wilson@cygnus.com>
1614 * iris5.h (DWARF2_UNWIND_INFO): Define to 0.
1615 * iris5gas.h (DWARF2_UNWIND_INFO): Define to 1.
1617 Sun Feb 22 15:29:48 1998 Richard Henderson <rth@cygnus.com>
1619 * objc/Object.m (-error): Call objc_verror with our va_list.
1621 Sun Feb 22 09:45:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1623 * collect2.c (scan_prog_file): Completely cover uses of variable
1624 `exports' with macro COLLECT_EXPORT_LIST.
1626 Sat Feb 21 20:36:23 1998 Jeff Law (law@cygnus.com)
1628 * version.c: Bump for snapshot.
1630 Fri Feb 20 16:22:13 1998 Michael Meissner <meissner@cygnus.com>
1632 * sched.c (schedule_block): Remove code to get arguments from hard
1633 regs into pseudos early. Same as Aug 25, 1997 change to
1636 1998-02-20 Jason Merrill <jason@yorick.cygnus.com>
1638 * collect2.c (main): Still handle !do_collecting for non-AIX targets.
1640 Fri Feb 20 10:39:47 1998 Michael Tiemann <michael@impact.tiemann.org>
1642 * ginclude/va-mips.h (va_arg): Remove trailing space after '\'
1643 continuation character (line 243).
1645 Fri Feb 20 12:10:26 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1647 * genrecog.c (main): Remove duplicated sentence in emitted comment.
1649 Thu Feb 19 22:36:53 1998 Andrey Slepuhin <pooh@msu.net>
1650 David Edelsohn <edelsohn@mhpcc.edu>
1652 * collect2.c (XCOFF_SCAN_LIBS): Remove.
1653 (export_flag): New variable.
1654 (export_file): #ifdef COLLECT_EXPORT_LIST.
1655 (import_file, exports, imports, undefined): New variables.
1656 (libs, cmdline_lib_dirs, libpath_lib_dirs, libpath, libexts): Same.
1657 (dump_list, dump_prefix_list, is_in_list): New functions.
1658 (write_export_file): $ifdef COLLECT_EXPORT_LIST.
1659 (write_import_file, resolve_lib_name): New functions.
1660 (use_import_list, ignore_library): Same.
1661 (collect_exit): maybe_unlink import_file and #ifdef.
1663 (main): New variable importf, #ifdef exportf. Move parsing of
1664 -shared before general argument parsing. Resolve AIX library
1665 paths and import libgcc.a symbols. Treat .so shared libraries the
1666 same as objects and .a libraries. Create alias for object_lst and
1667 increment it instead of original pointer. Scan AIX libraries as
1668 objects earlier instead of using scan_libraries. Perform AIX
1669 tlink later to resolve templates instead of forking ld.
1670 (GCC_OK_SYMBOL): Ensure symbol not in undef section.
1671 (GCC_UNDEF_SYMBOL): New macro.
1672 (scan_prog_file): Loop for members of AIX libraries. Handle
1673 export/import of ctors/dtors.
1674 (aix_std_libs): New variable.
1675 (scan_libraries, XCOFF): Delete.
1677 Thu Feb 19 22:36:52 1998 Robert Lipe <robertl@dgii.com>
1679 * collect2.c (full_real_ld_suffix): #ifdef CROSS_COMPILE.
1681 1998-02-19 Mike Stump <mrs@wrs.com>
1683 * Makefile.in: Use $tooldir for sys-include to match toplevel
1686 Thu Feb 19 01:32:37 1998 Jeffrey A Law (law@cygnus.com)
1687 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1689 * emit-rtl.c (gen_lowpart_common): Suppress last change if __complex__.
1691 * emit-rtl.c (hard-reg-set.h): Include.
1692 (get_lowpart_common): Don't make new REG for hard reg in a
1693 class that cannot change size.
1694 * Makefile.in (emit-rtl.o): Depend on hard-reg-set.h.
1696 * combine.c: Revert previous patch.
1698 1998-02-19 Paul Eggert <eggert@twinsun.com>
1700 * config/sparc/sol2-sld.h: New file.
1701 * configure.in (sparc-*-solaris2*): Use it when using the
1704 Thu Feb 19 00:46:59 1998 Jeffrey A Law (law@cygnus.com)
1706 * loop.c (force_movables): Fix typo.
1708 Thu Feb 19 08:26:30 1998 Manfred Hollstein <manfred@s-direktnet.de>
1710 * m88k.h: Change file pattern to match reality.
1712 Wed Feb 18 23:19:52 1998 Jeffrey A Law (law@cygnus.com)
1714 * varasm.c (output_constant_pool): Fix dumb thinko in last
1717 * pa.h (ASM_OUTPUT_FUNCTION_PREFIX): Correctly translate from
1718 a function name to a section name.
1720 1998-02-18 Doug Evans <devans@cygnus.com>
1722 * tree.h (merge_machine_{type,decl}_attributes): Declare.
1723 (split_specs_attrs, strip_attrs): Add prototypes.
1724 * tree.c (merge_machine_{type,decl}_attributes): New functions.
1725 * c-decl.c (duplicate_decls): Call merge_machine_decl_attributes.
1726 Update olddecl's attributes too.
1727 * c-common.c (strip_attrs): New function.
1728 * c-typeck.c (common_type): Call merge_machine_type_attributes.
1729 * varasm.c (make_function_rtl): New target macro REDO_SECTION_INFO_P.
1730 (make_decl_rtl): Likewise.
1732 1998-02-18 Jim Wilson <wilson@cygnus.com>
1734 * c-decl.c (shadow_tag_warned): Call split_specs_attrs.
1736 Wed Feb 18 09:09:50 1998 Jeffrey A Law (law@cygnus.com)
1738 Remove this change until we can fix it correctly.
1739 * collect2.c: Bracket declaration of 'exportf' and
1740 'full_real_ld_suffix'.
1742 Wed Feb 18 08:44:25 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
1744 * Makefile.in (STAGESTUFF): Add genrtl.c, genrtl.h and gengenrtl.
1746 Tue Feb 17 23:30:20 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
1748 * c-common.c (c_expand_start_cond, c_expand_end_cond,
1749 c_expand_start_else): Don't warn about non-ambiguous else even if
1752 Tue Feb 17 23:56:50 1998 Robert Lipe <robertl@dgii.com>
1754 * sco5.h (ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT,
1755 ASM_OUTPUT_LONG_DOUBLE): Delete. Use the ones from i386.h
1758 Tue Feb 17 22:56:14 1998 Richard Henderson <rth@cygnus.com>
1760 * combine.c (simplify_rtx): Obey CLASS_CANNOT_CHANGE_SIZE when
1761 simplifying a subreg of a hard reg.
1762 (expand_compound_operation): Likewise.
1763 (force_to_mode): Likewise.
1765 Tue Feb 17 22:37:22 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1767 * fold-const.c: Include "system.h" to get stdlib.h and stdio.h.
1768 (lshift_double): Add parentheses around + or - inside shift.
1769 (rshift_double): Likewise.
1770 (size_int_wide): Explicitly set type of `bit_p' to `int'.
1772 * Makefile.in (fold-const.o): Depend on system.h.
1774 * Makefile.in (gcc.o): Depend on system.h, in accordance with last
1777 * haifa-sched.c: Include "system.h" to get <stdlib.h> and <stdio.h>.
1778 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
1779 (sched_note_set): Remove unused parameter `b', all callers changed.
1780 (schedule_block): Likewise for `rgn'.
1781 (split_hard_reg_notes): Likewise for `orig_insn'.
1782 (check_live): Likewise for `trg'.
1783 (update_live): Likewise.
1784 (check_live_1): Explcitly declare variable `i' as int.
1785 (update_live_1): Likewise.
1786 (insn_issue_delay): Remove unused variable `link'.
1787 (sched_analyze_2): Add default case in enumeration switch.
1788 (schedule_insns): Remove unused variable `i'.
1790 * Makefile.in ($(SCHED_PREFIX)sched.o): Depend on system.h.
1792 Tue Feb 17 22:31:04 1998 Jeffrey A Law (law@cygnus.com)
1794 * loop.c (rtx_equal_for_loop_p): Add some braces to disambiguate
1795 a dangling else clause.
1797 Tue Feb 17 21:28:12 1998 Gavin Koch <gavin@cygnus.com>
1799 * mips/mips.h (CAN_ELIMINATE): Don't eliminate the frame
1800 pointer for the stack pointer in MIPS16 and 64BIT.
1802 Tue Feb 17 21:17:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1804 * rtl.h (force_line_numbers, restore_line_number_status): Declare.
1805 * emit-rtl.c (force_line_numbers, restore_line_number_status):
1807 * stmt.c (struct nesting): Replace seenlabel with line_number_status.
1808 (expand_start_case): Adjust to this change.
1809 (check_seenlabel): New function.
1810 (pushcase, pushcase_range, expand_endcase): Use it.
1812 Tue Feb 17 10:14:32 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1814 * i386.md (adddi3): Add =!r,0,0,X alternative.
1816 Mon Feb 16 16:13:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
1818 * rs6000.h (MY_ISCOFF): Add numeric value of U803XTOCMAGIC.
1819 * x-aix31 (INSTALL): Delete.
1821 Mon Feb 16 09:24:32 1998 Gavin Koch <gavin@cygnus.com>
1823 * mips/mips.c (mips_expand_epilogue): Update tsize_rtx if
1824 tsize changes to something other than zero.
1826 Mon Feb 16 09:11:48 1998 Gavin Koch <gavin@cygnus.com>
1828 * ginclude/va-mips.h: Replace casts of pointers to int with
1829 casts of pointers to __PTRDIFF_TYPE__.
1831 Mon Feb 16 08:17:14 1998 John Carr <jfc@mit.edu>
1833 * loop.c (strength_reduce, record_biv, record_giv): Use
1834 HOST_WIDE_INT_PRINT_DEC to print CONST_INT values.
1836 1998-02-16 Jason Merrill <jason@yorick.cygnus.com>
1838 * tree.c (first_rtl_op): New fn.
1839 (unsave_expr_now): Use it.
1840 * print-tree.c (print_node): Likewise.
1841 * tree.c (has_cleanups): New fn.
1842 * fold-const.c (fold, case CLEANUP_POINT_EXPR): Use it. Be more
1843 conservative about pushing the cleanup point down.
1844 * tree.h: Declare them.
1846 Sun Feb 15 23:28:44 1998 Jeffrey A Law (law@cygnus.com)
1848 * toplev.c (flag_schedule_reverse_before_reload): Delete variable.
1849 (flag_schedule_reverse_after_reload): Likewise.
1850 (f_options): Remove reverse scheduling support.
1851 * flags.h (flag_schedule_reverse_before_reload): Delete declaration.
1852 (flag_schedule_reverse_after_reload): Likewise.
1853 * haifa-sched.c (rank_for_schedule): Remove support for reverse
1856 Sun Feb 15 21:33:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1858 * gcc.c: Get system includes, prototypes and macros via "system.h"
1859 instead of doing it manually. Change all calls of the ctype
1860 macros to custom versions defined in "system.h".
1862 * system.h: Fix return type of bcmp prototype from `void' to `int'.
1863 Make bcopy, bcmp and bzero prototypes explicitly `extern'.
1864 Add a prototype for getenv.
1866 Sun Feb 15 17:05:41 1998 Jim Wilson <wilson@cygnus.com>
1868 * mips/mips.h (INITIAL_ELIMINATION_OFFSET): Readd Jun 6 change.
1870 Sun Feb 15 15:23:15 1998 John Carr <jfc@mit.edu>
1872 * alias.c: Include <stdlib.h> and <string.h>.
1873 (init_alias_analysis): Pass NULL_RTX instead of 0 to record_set.
1875 Sat Feb 14 11:23:09 PST 1998 Jeff Law (law@cygnus.com)
1877 * version.c: Bump for snapshot.
1879 Sat Feb 14 05:08:21 1998 Richard Earnshaw (rearnsha@arm.com)
1881 * arm.md (movsfcc): Also validate operands[3] when compiling hard
1883 (movdfcc): Only accept fpu_add_operand for operands[3].
1885 * arm/t-semi (STMP_FIXPROTO): Define to nothing.
1886 * arm/t-semiaof (STMP_FIXPROTO): Likewise.
1888 Sat Feb 14 02:02:41 1998 Jeffrey A Law (law@cygnus.com)
1890 * varasm.c (output_constant_pool): Bring back 'done' label inside
1891 an appropriate #ifdef.
1893 * bitmap.c (bitmap_element_allocate): Wrap variable 'i' in an
1895 (bitmap_copy, bitmap_operation): Likewise.
1896 * combine.c (combinable_i3pat): Similarly for 'src'.
1897 * function.c (fixup_var_refs_1): Similarly for 'outerdest'.
1898 (locate_and_pad_parm): Similarly for 'reg_parm_stack_space'.
1899 * regclass.c (copy_cost): Similarly for 'secondary_class'.
1900 * reload.c (make_memloc): Simliarly for 'i'.
1901 (find_reloads_address_1): Similarly for 'link'.
1902 * reload1.c (reload): Similarly for 'previous_frame_pointer_needed'.
1903 (emit_reload_insns): Similarly for 'second_reloadreg'.
1904 * unroll.c (iteration_info): Similarly for 'v'.
1906 * caller-save.c (insert_save_restore): Remove unused variable 'i'.
1907 * calls.c (expand_call): Similarly for 'i'.
1908 (emit_library_call, emit_library_call_value): Similarly for 'mode'.
1909 * fold-const.c (strip_compund_expr): Similarly for 'type'.
1910 * function.c (fixup_var_refs_1): Similarly for 'width'.
1911 (fixup_memory_subreg): Similarly for 'saved'.
1912 (locate_and_pad_parm): Similarly for 'boundary_in_bytes.'
1913 (setjmp_protect): Similarly for 'sub'.
1914 (thread_prologue_and_epilogue_insns): Similarly for 'insn'.
1915 * loop.c (record_giv): Similarly for 'p'.
1916 (combine_givs): Similarly for 'temp_iv'.
1917 (indirect_jump_in_function_p): Similarly for 'is_indirect_jump'.
1918 * recog.c (validate_replace_rtx_1): Similarly for 'width'.
1919 * tree.c (get_set_constructor_bytes): Similarly for 'vals'.
1920 * unroll.c (unroll_loop): Similarly for 'copy'.
1921 (iteration_info): Similarly for 'b'.
1922 * varasm.c (assemble_string): Similarly for 'i'.
1923 * i386.h (LEGITIMIZE_ADDRESS): Similarly for 'orig_x'.
1925 Fri Feb 13 14:38:34 1998 Jim Wilson <wilson@cygnus.com>
1927 * dwarf2out.c (decl_scope_node): New type.
1928 (decl_scope_table): Change type to use it.
1929 (decl_scope_table_allocated, decl_scope_depth): Change type to int.
1930 (push_decl_scope): Use new type. New locals containing_scope, i.
1931 Add code to handle setting previous field.
1932 (scope_die_for): Change type of local i to int. Add code to use
1934 (dwarf2out_init): Use new type.
1936 1998-02-13 Jason Merrill <jason@yorick.cygnus.com>
1938 * except.c (emit_throw): Lose throw_used.
1940 Fri Feb 13 20:36:05 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1942 * sched.c (update_flow_info, REG_WAS_0): Ignore if setting insn
1944 * haifa-sched.c (update_flow_info, REG_WAS_0): Likewise.
1946 Fri Feb 13 12:18:40 1998 Jeffrey A Law (law@cygnus.com)
1948 * genextract.c (main): Fix typo.
1950 Fri Feb 13 08:41:49 1998 Robert Lipe <robertl@dgii.com>
1952 * c-lang.c (finish_file): Bracket declaration of static_ctors,
1955 * calls.c (expand_call): Bracket declaration of 'rtx_before_call',
1956 'old_stack_arg_under_construction'
1957 (emit_library_call): Bracket declaration of 'upper_bound',
1958 'lower_bound', 'i', 'reg_parm_stack_space'
1959 (emit_library_call_value): Likewise.
1962 * collect2.c: include <unistd.h> when appropriate.
1963 Bracket declaration of 'exportf' and 'full_real_ld_suffix'.
1965 * emit-rtl.c (prev_cc0_setter): Remove unused variable 'link'.
1967 * explow.c (plus_constant_for_output_wide): Remove unused variable
1969 (memory_address): Remove unused variable 'orig_x'.
1971 * genattrtab.c (make_canonical): Remove unreferenced label 'cond:'.
1972 (write_const_num_delay_slots): Remove unused variable 'i'.
1974 * genopinit.c (main): Remove unused variables 'dummy', 'insn_ptr'.
1975 (gen_insn): Remove unused variable 'obstack_ptr'.
1977 * libgcc2.c (__bb_exit_func): Remove unused variables 'ret',
1979 (__bb_exit_trace_func): Remove unused variable 'e'.
1981 * optabs.c (expand_binop): remove unused variables 'lhs', 'rhs',
1983 (expand_unop): Remove unused variable 'funexp'.
1984 (expand_complex_abs): Remove unused variable 'funexp'.
1985 (init_optabs): Bracket declaration of 'j'.
1986 (init_complex_libfuncs): Deleted. Dead static function.
1988 * profile.c (branch_prob): Remove unused variables 'insn', 'dest'.
1990 * reg-stack.c: Fix typo in proto for 'get_asm_operand_lengths'
1991 (reg_to_stack): 'initialized', 'before_function_beg'
1992 explictly type as ints instead of defaulting.
1993 (emit_swap_insn): Remove unused variable 'i2'.
1994 (compare_for_stack_reg): Remove unused variable 'src_note'.
1996 * rtlanal.c (computed_jump_p): Remove unused variable 'computed_jump'.
1998 * sched.c (actual_hazard): Bracket declaration of 'this_cost'.
2000 * stmt.c (add_case_node): Add parens for assignment used as truth.
2001 (all_cases_count): Remove unused variable 'count_high'.
2002 (mark_seen_cases): Remove unused variable 'i'.
2003 (check_for_full_enumeration_handling): Remove unused variable 't'.
2004 Bracket declaration of 'all_values', 'l'.
2006 * tlink.c: Include <stdlib.h>, <unistd.h>, <string.h>/<strings.h>.
2008 * varasm.c (assemble_string): Remove unused variable 'i'.
2009 (immed_double_const): Remove unused variable 'in_current_obstack'.
2010 (immed_real_const_1): Likewise.
2011 (output_constant_pool): Remove unreferenced label 'done'.
2012 (output_constant): Remove unused variable 'x'.
2014 * i386/i386.h (ENCODE_SECTION_INFO): TREE_PUBLIC is an int, not
2017 * i386/sco5.h (ASM_OUTPUT_ASCII): Add parens for assignment used
2020 Fri Feb 13 10:21:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2022 * combine.c (can_combine_p): Handle USEs in PARALLELs.
2024 Fri Feb 13 01:34:14 1998 H.J. Lu (hjl@gnu.org)
2026 * config/linux.h (LIB_SPEC): Add -lc for -shared if
2027 USE_GNULIBC_1 is not defined.
2028 * config/sparc/linux.h; Ditto.
2030 * config/sparc/linux64.h (LIB_SPEC): Add -lc for -shared.
2032 * config/alpha/linux-elf.h (LIB_SPEC): New. Defined if
2033 USE_GNULIBC_1 is not defined.
2035 Fri Feb 13 01:29:29 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
2037 * rs6000/sysv4.h (ENDFILE_SPEC): add missing %(endfile_linux)
2040 Fri Feb 13 01:23:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2042 * system.h: New file to get common systems includes and various
2043 definitions and declarations based on autoconf macros.
2045 Fri Feb 13 00:46:19 1998 Jeffrey A Law (law@cygnus.com)
2047 * cccp.c (new_include_prefix): Correctly handle -I./.
2049 Thu Feb 12 20:16:35 1998 Michael Meissner <meissner@cygnus.com>
2051 * rs6000.md: Replace gen_rtx (CONST_INT,...) with GEN_INT.
2053 Thu Feb 12 16:45:17 1998 Robert Lipe <robertl@dgii.com>
2055 * expr.c (expand_assignment): Correct typo exposed by -Wall.
2056 offset should have been a truth value, not an assignment.
2058 Thu Feb 12 15:26:50 1998 Jeffrey A Law (law@cygnus.com)
2060 * cse.c (delete_dead_from_cse): If a libcall produces a constant
2061 result and that result can be substituted into SET_SRC of the
2062 insn with the REG_RETVAL note, then perform the substitution
2063 and delete the libcall.
2065 Thu Feb 12 14:04:09 1998 Gavin Koch <gavin@cygnus.com>
2067 * mips.md (trucndihi2,truncdiqi2): Change these to support
2070 Thu Feb 12 11:34:55 1998 Gavin Koch <gavin@cygnus.com>
2072 * mips/mips.c (movdi_operand): Direct referances to symbols
2073 that arn't mips16 consts in mips16 mode arn't valid operands.
2075 * mips/mips.c (mips_move_2words): Add gprel handling.
2077 Thu Feb 12 11:18:37 1998 Gavin Koch <gavin@cygnus.com>
2079 * mips.md (extendsidi2): Allow extension to/from a non-mips16
2082 Thu Feb 12 00:04:16 1998 Marc Lehmann <pcg@goof.com>
2084 * i386.c: Conditionally include <stdlib.h>, <string.h>, and
2087 Wed Feb 11 11:43:34 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2089 * Makefile.in (WARN_CFLAGS): New variable.
2090 (bootstrap, bootstrap2, bootstrap3, bootstrap4): Use it.
2092 1998-02-11 Mark Mitchell <mmitchell@usa.net>
2094 * config/i386/i386.c (reg_mentioned_in_mem): Don't abort when
2095 falling through default case in switch.
2096 (i386_aligned_p): Likewise.
2098 Wed Feb 11 12:59:56 1998 Lee Iverson <leei@Canada.AI.SRI.COM>
2100 * mips/mips.h (mips_abi_string): Correct typo in comment.
2102 Wed Feb 11 08:29:56 1998 Gavin Koch <gavin@cygnus.com>
2104 * mips/mips.md (movdi): These PLUS's need to be Pmode.
2106 Wed Feb 11 01:47:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2108 * Makefile.in (dwarf2out.o, emit-rtl.o, jump.o, cse.o, unroll.o,
2109 reorg.o, regmove.o): Depend on insn-codes.h, it gets included
2110 indirectly via expr.h.
2112 Wed Feb 11 01:44:13 1998 Richard Henderson <rth@cygnus.com>
2114 * stor-layout.c (layout_type): Do upper - lower in the native type,
2115 so as to properly handle negative indices.
2117 Wed Feb 11 01:35:55 1998 Robert Lipe <robertl@dgii.com>
2119 * except.c (start_dynamic_cleanup): Remove unused variable 'dhc'.
2120 (expand_eh_region_start_tree): Remove unused variable 'note'.
2121 (exception_optimize): Remove unused variable 'regions'.
2122 (expand_builtin_eh_stub): Remove unused variable 'temp'.
2123 (copy_eh_entry): Deleted. Dead function.
2125 * expr.c (move_block_to_reg) Bracket declaration of 'pat' and
2126 'last' with same #if HAVE_load_multiple as use of it.
2127 (move_block_from_reg): Likewise.
2128 (emit_move_insn_1): Remove unused variable 'insns'.
2129 (store_constructor): Bracket declaration of startb, endb with
2130 #if TARGET_MEMFUNCTIONS. Remove unused variables 'set_word_size'
2131 'target', and 'xtarget'.
2132 (expand_builtin_setjmp): Remove unused variables 'op0',
2133 'next_arg_reg', 'old_inhibit_defer_pop'.
2134 (expand_builtin): Remove unused variable 'offset'.
2135 (do_store_flag): Remove unused variables 'pattern', 'jump_pat'.
2136 (emit_queue): Add parens for assignment used as conditional.
2137 (expand_expr): case TARGET_EXPR: Remove unused variable 'temp'.
2139 Wed Feb 11 01:30:49 1998 Marc Lehmann <pcg@goof.com>
2141 * i386.c: Added include for recog.h.
2142 (override_options): Removed unused variable p. Initialized regno to
2144 (order_regs_for_local_alloc): Initialized regno to avoid warning.
2145 (legitimize_address): Likewise for 'other'.
2146 (i386_aligned_reg_p): Added default case with abort ().
2147 (print_operand): Likewise.
2148 (reg_mentioned_in_mem): Likewise.
2149 (ix86_expand_binary_operator): Removed unused variables i & insn.
2150 (ix86_expand_unary_operator): Removed unused variable insn.
2151 (output_fp_cc0_set): Removed unused variable unordered_label.
2153 Wed Feb 11 01:23:03 1998 John F. Carr <jfc@mit.edu>
2155 * i386.c, i386.h, i386.md: Change gen_rtx (X, ...) to gen_rtx_X (...).
2156 Use GEN_INT instead of gen_rtx (CONST_INT). Make printf arguments
2157 and format string match.
2159 Wed Feb 11 01:17:39 1998 Jeffrey A Law (law@cygnus.com)
2161 * flow.c (life_analysis): Do not conside the stack pointer live at
2162 the end of a function if the fucntio ncalls alloca.
2163 (mark_used_regs): Similarly.
2165 1998-02-10 John F Carr <jfc@mit.edu>
2167 * config/sparc/sparc.md (movdi_v8plus): Output stx on alternative
2168 1, fzero on alternative 8.
2170 Tue Feb 10 09:02:19 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2172 * rs6000.c (setup_incoming_varargs): Always set rs6000_sysv_varargs_p.
2174 Tue Feb 10 03:35:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2176 * reload.c (find_reloads_toplev): Handle arbitrary non-paradoxical
2177 SUBREGs of CONST_INTs.
2179 Mon Feb 9 17:52:36 1998 John Carr <jfc@mit.edu>
2181 * mips.c (print_operand, function_prologue): Make printf format
2182 match argument type.
2184 Mon Feb 9 02:37:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2186 * alpha.c (alpha_return_addr): Remove unused variable `first'.
2187 (alpha_ra_ever_killed): Remove unused variables `ra' and `i'.
2188 (output_epilog): Remove unused variable `frame_size_from_reg_save'.
2190 Sun Feb 8 14:56:03 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2192 * loop.c (strength_reduce): When placing increment for auto-inc
2193 case, do comparison in loop order.
2195 Sun Feb 8 13:21:38 1998 John Carr <jfc@mit.edu>
2197 * bitmap.c (bitmap_debug_file): HOST_PTR_PRINTF converts a pointer,
2198 not a HOST_WIDE_INT.
2200 * calls.c (expand_call): Change test of expand_inline_function
2201 return value to stop compiler warning.
2203 * genattrtab.c (RTL_HASH): Cast pointer to long, not HOST_WIDE_INT.
2205 Sun Feb 8 12:04:24 1998 Jim Wilson (wilson@cygnus.com)
2206 Jeff Law (law@cygnus.com)
2208 * regmove.c: Fix various minor formatting problems.
2209 (optimize_reg_copy_1): Stop search at CALL_INSNs if flag_exceptions
2210 is true. Make end of basic block tests consistent through regmove.c.
2211 (optimize_reg_copy_2, optimize_reg_copy_3): Likewise.
2212 (fixup_match_2, fixup_match_1, regmove_optimize): Likewise.
2214 Sun Feb 8 01:49:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2216 * gansidecl.h: Check for a conflicting macro definition before
2217 attempting to prototype bcopy, bcmp or bzero.
2219 Sun Feb 8 00:09:59 1998 Jeffrey A Law (law@cygnus.com)
2221 * expr.c (clear_pending_stack_adjust): Handle case where a function
2222 calls alloca, but the user has specified -fomit-fframe-pointer.
2224 * function.c (assign_parms): Fix typo in last change.
2226 Sat Feb 7 23:54:29 1998 Robert Lipe <robertl@dgii.com>
2228 * gcc.c: Include <strings.h>/<string.h>, <stdlib.h>, <unistd.h>,
2230 (free_path_suffix): Remove unreferenced static function.
2231 (process_command): Remove unused variable temp.
2232 (default_arg): Remove unused variable i.
2233 (do_spec_1): Add parens for assignment used as truth value.
2235 (validate_all_switches): Likewise.
2236 (main): Remove unused variables i, first_time>
2238 * c-common.c: Include <stdlib.h> and <string.h>/<strings.h>.
2240 * calls.c (expand_call): Remove unused variables funtree,
2241 n_regs, and tmpmode.
2243 * dbxout.c, except.c: Include <string.h>/<strings.h>.
2245 * explow.c: (plus_constant_for_output_wide) Removed unused
2246 variable all_constant.
2248 * c-decl.c, genattr.c, genattrtab.c, getconfig.c, genemit.c
2249 genextract.c, genflags.c, genopinit.c genoutput.c, genpeep.c,
2250 genrecog.c, global.c, integrate.c , stupid.c : Include
2253 * genextract.c: (walk_rtx) Remove unused variable link.
2255 * genrecog.c: (concat) Remove unreferenced static function.
2257 * prefix.c: Include <string.h>/<strings.h>, <stdlib.h>
2259 * stmt.c: Include <stdlib.h>.
2260 (expand_asm_operands): Remove unused variable val1.
2261 (expand_return): Remove unused variable block.
2262 (pushcase): Remove unused variables l and n.
2263 (pushcaserange): Likewise.
2265 * unroll.c (unroll_loop): Remove unused variable temp.
2267 Sat Feb 7 23:46:09 1998 Greg McGary <gkm@gnu.org>
2269 * c-decl.c (pushdecl): Set DECL_ORIGINAL_TYPE once only.
2271 Sat Feb 7 15:11:28 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2273 * aclocal.m4 (GCC_FUNC_PRINTF_PTR): New macro to test the printf
2274 functions for whether they support the %p format specifier.
2275 * acconfig.h (HOST_PTR_PRINTF): Insert stub for autoconf.
2276 * configure.in (GCC_FUNC_PRINTF_PTR): Use it.
2277 * configure, config.in: Rebuild.
2279 Fri Feb 6 14:20:16 1998 Jim Wilson <wilson@cygnus.com>
2281 * function.c (assign_parms): New variable named_arg, with value
2282 depending on STRICT_ARGUMENT_NAMING. Use instead of ! last_named.
2284 Fri Feb 6 14:34:28 1998 Gavin Koch <gavin@cygnus.com>
2286 * mips/t-r3900: New - same as t-ecoff but eliminate
2287 multilibs: mips1 and mips3.
2288 * configure.in (tx39*): Use new mips/t-r3900.
2289 * configure: Rebuild.
2290 * mips/r3900.h (MULTILIB_DEFAULTS): Eliminate mips1.
2292 1998-02-06 Jason Merrill <jason@yorick.cygnus.com>
2294 * dwarf2out.c: Add old_args_size.
2295 (dwarf2out_args_size): Use it.
2296 (dwarf2out_begin_prologue): Initialize it.
2297 (dwarf2out_stack_adjust): If !asynchronous_exceptions, save up
2298 pushed args until we see a call.
2299 * final.c (final_scan_insn): Hand CALL_INSNs off to the dwarf2 code
2300 before outputting them.
2302 1998-02-06 Kriang Lerdsuwanakij <lerdsuwa@scf.usc.edu>
2304 * cplus-dem.c (demangle_template_template_parm): New function.
2305 (demangle_template): Handle template template parameters.
2307 1998-02-02 Mark Mitchell <mmitchell@usa.net>
2309 * calls.c (expand_call): Don't confuse member functions named
2310 realloc, setjmp, and so forth with the standard library
2311 functions of the same names.
2313 Thu Feb 5 21:59:49 1998 Jeffrey A Law (law@cygnus.com)
2315 * stmt.c (expand_asm_operands): Correctly identify asm statements
2318 Thu Feb 5 21:56:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
2320 * c-common.c (decl_attributes): Flag unrecognized attribute
2321 functions as warnings instead of as errors.
2323 1998-02-05 Marc Lehmann <pcg@goof.com>
2325 * integrate.c (INTEGRATE_THRESHOLD): Inline only small functions
2326 when -Os is specified.
2327 * toplev.c (main): Don't disable flag_inline_functions anymore when
2330 Fri Feb 6 00:27:36 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2332 * regmove.c: Update.
2333 * flags.h (flag_regmove): Declare.
2334 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Don't declare.
2335 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2):
2336 Moved into regmove; changed caller.
2337 * toplev.c (rest_of_compilation): Call regmove_optimize also for
2338 expensive_optimizations.
2340 Thu Feb 5 13:38:42 PST 1998 Jeff Law (law@cygnus.com)
2342 * version.c: Bump for snapshot.
2344 Thu Feb 5 01:45:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2345 Undo this change (the problem was actually in reload):
2346 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2348 * sh.md (movqi_i+1): New peephole.
2350 Tue Feb 3 01:11:12 1998 Jeffrey A Law (law@cygnus.com)
2352 * jump.c (jump_optimize): Lose calls to modified_in_p they are
2353 not needed anymore due to changes elsewhere in jump.c.
2355 * jump.c (jump_optimize): Fix first arg to modified_in_p in
2358 Mon Feb 2 19:18:14 1998 Richard Henderson <rth@cygnus.com>
2360 * expr.c (expand_builtin_setjmp): Accept two new arguments for
2361 the labels to branch to on first and subsequent executions. Don't
2362 play with __dummy. Rename `setjmp' insn to `builtin_setjmp_setup',
2363 and provide it with the jmp_buf. Use only one of
2364 `builtin_setjmp_receiver' or `nonlocal_goto_receiver',
2365 and provide the former with the target label.
2366 (expand_builtin) [BUILTIN_SETJMP]: Generate a label for use by setjmp.
2367 (expand_builtin) [BUILTIN_LONGJMP]: Split out to ...
2368 (expand_builtin_longjmp): ... here. Recognize a `builtin_longjmp'
2369 insn to replace all of the normal nonlocal_goto code. Don't play
2370 with __dummy. Correct arguments to nonlocal_goto.
2371 * expr.h (expand_builtin_setjmp): Update prototype.
2372 * except.c (start_dynamic_handler): When using builtin_setjmp,
2373 generate more accurate flow information.
2375 * alpha.md (nonlocal_goto_receiver_osf): Delete.
2376 (nonlocal_goto_receiver_vms): Rename to nonlocal_goto_receiver.
2377 (builtin_longjmp, builtin_setjmp_receiver): New.
2378 * sparc.md (update_return): Disambiguate unspec number.
2379 (nonlocal_goto): Rearrange arguments to match caller in except.c.
2380 (builtin_setjmp_setup): Rename from setjmp. Match and ignore the
2382 * mips.md (nonlocal_goto_receiver, builtin_setjmp_receiver): Remove.
2383 (builtin_setjmp_setup*, builtin_longjmp): New.
2385 Mon Feb 2 16:43:10 1998 John Carr <jfc@mit.edu>
2387 * mips.md: Change gen_rtx (CONST_INT) to GEN_INT.
2389 Mon Feb 2 13:06:47 1998 Jim Wilson <wilson@cygnus.com>
2391 * vmsconfig.com: Remove bytecode references.
2393 1998-01-30 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2395 * dwarf2out.c (dwarf2out_frame_init): Undo last change, so that
2396 -fno-sjlj-exceptions works for a target that defines
2397 DWARF2_UNWIND_INFO as zero.
2399 * regmove.c (fixup_match_1): Undo last change which removed some
2400 "useless" code, and add a comment explaining this.
2402 Mon Feb 2 10:47:14 1998 Gavin Koch (gavin@cygnus.com)
2404 * mips.c (mips_expand_prologue): Change uses of TARGET_64BIT
2407 Mon Feb 2 10:38:41 1998 Klaus Kaempf <kkaempf@progis.de>
2409 * makefile.vms: Remove bytecode references.
2410 Create genrtl files.
2412 Mon Feb 2 02:08:04 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
2414 * jump.c (jump_optimize): Allow conditional loading of floating point
2415 constants and constants from memory. Reinstalled modified_in_p tests.
2417 Mon Feb 2 01:38:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2419 * loop.c (get_condition): Handle sign-extended constants.
2421 Mon Feb 2 01:22:46 1998 Hans-Peter Nilsson <hp@axis.se>
2423 * expr.c (emit_push_insn): Add code to use movstrti if present.
2425 * expr.c (emit_push_insn): Use same max-move-amount for movstrhi
2426 and movstrqi as in emit_block_move ().
2428 Mon Feb 2 00:09:52 1998 Toon Moene <toon@moene.indiv.nluug.nl>
2430 * config/m68k/x-next: Remove /NextDeveloper/Headers from
2431 the directories to fixinclude - /usr/include is a link
2432 to it and hence its contents are fixed by default.
2434 Sun Feb 1 14:15:33 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
2436 * rs6000/linux.h: define JUMP_TABLES_IN_TEXT_SECTION
2438 Sun Feb 1 13:01:15 1998 Klaus Kaempf <kkaempf@progis.de>
2440 * cccp.c (main): Predefine __VMS_VER on VMS.
2442 Sun Feb 1 12:39:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2444 * expr.c (get_inner_reference): Use sbitsizetype for type sizes.
2445 * fold-const.c (size_int): Replace with
2447 (make_bit_field_ref): Use bitsize_int for bit position.
2448 * stor-layout.c (sizetype): Delete.
2449 (sizetype_tab, sbitsizetype, ubitsizetype): Declare.
2450 (layout_record, layout_union, layout_type):
2451 Use bitsize_int for bit size.
2452 (set_sizetype): New function.
2453 (make_signed_type, make_unsigned_type): Use it.
2454 * c-decl.c (init_decl_processing): Likewise.
2455 * tree.h (size_int): Don't delcare, #define.
2456 (size_int_wide, sizetype_tab, sbitsize, ubitsize): Declare.
2457 (set_sizetype): Declare.
2458 (bitsize_int, size_int_2, BITS_PER_UNIT_LOG, sizetype, bitsizetype):
2460 * c-typeck.c (c_sizeof, c_sizeof_nowarn, c_size_in_bytes):
2461 Convert result to sizetype.
2462 (really_start_incremental_init, push_init_level):
2463 Set type of constructor_bit_index to sbitsizetype.
2464 (push_init_level): Use unsigned arithmetic to determine padding.
2465 (output_init_element): Likewise.
2467 Sun Feb 1 03:32:07 1998 Jeffrey A Law (law@cygnus.com)
2469 * combine.c (simplify_shift_const): Fix typo in last change.
2471 Sun Feb 1 02:50:46 1998 John Carr <jfc@mit.edu>
2473 * combine.c (simplify_shift_const): (lshiftrt (truncate (lshiftrt)))
2474 is (truncate (lshiftrt)).
2476 Sun Feb 1 01:06:53 1998 Richard Henderson <rth@cygnus.com>
2478 * alpha.c (alpha_expand_unaligned_load): Use expand_binop properly.
2479 Make sure result winds up in TGT.
2480 (alpha_expand_unaligned_store): Use expand_binop properly. Allow
2481 src to be other than DImode.
2482 (alpha_expand_unaligned_load_words): Tidy. Take an offset argument.
2483 (alpha_expand_unaligned_store_words): Likewise.
2484 (alpha_expand_block_move): Use REGNO_POINTER_ALIGN. Restructure so
2485 that source and destination are separately optimized for alignment.
2486 (alpha_expand_block_clear): Use REGNO_POINTER_ALIGN.
2488 Sun Feb 1 01:55:09 1998 Jeffrey A Law (law@cygnus.com)
2490 * mips.md (adddi3_internal_2): Be consistent with adddi3 expander
2491 with handling of -32768.
2493 Sun Feb 1 01:48:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2495 * aclocal.m4 (GCC_NEED_DECLARATION): Modify macro to accept a
2496 shell variable argument instead of only hard coded functions.
2497 (GCC_NEED_DECLARATIONS): New macro to accept multiple functions.
2499 * configure.in: Collapse multiple calls to AC_CHECK_FUNCS into one
2500 call. Collapse multiple calls to GCC_NEED_DECLARATION into one
2501 call to GCC_NEED_DECLARATIONS (new macro.) Check if we need
2502 declarations for bcopy, bcmp and bzero.
2504 * acconfig.h: Add stubs for bcopy, bcmp and bzero declarations.
2506 * gansidecl.h: If we have bcopy but don't declare it, then do so.
2507 Likewise for bcmp and bzero. Only define macros for bcopy, bcmp,
2508 bzero, index and rindex if they aren't already present.
2510 Sat Jan 31 11:26:58 1998 Jeffrey A Law (law@cygnus.com)
2512 * toplev.c (close_dump_file): Wrap function prototype for
2513 argument "func" in PROTO.
2514 (dump_rtl): Likewise.
2516 Fri Jan 30 22:30:39 1998 John Carr <jfc@mit.edu>
2518 * sparc.c (sparc_override_options): Make v8plus and ultrasparc set
2520 (output_function_epilogue): Omit epilogue if nothing drops through.
2521 (output_move_double): Supress int ldd usage on ultrasparc and v9.
2522 (registers_ok_for_ldd_peep): Likewise.
2523 (print_operand): Supress b,a on ultrasparc. Let Y accept a constant.
2524 (ultrasparc_adjust_cost): New function.
2525 (sparc_issue_rate): New function.
2526 * sparc.h (MASK_VIS, TARGET_VIS): New
2527 (MASK_V8PLUS, TARGET_V8PLUS): New.
2528 (TARGET_HARD_MUL32, TARGET_HARD_MUL): New.
2529 (TARGET_SWITCHES): Add vis and v8plus.
2530 (REG_CLASS_FROM_LETTER): Accept d and b for VIS.
2531 (REGISTER_MOVE_COST): FP<->INT move cost 12 for ultrasparc.
2532 (RTX_COSTS): Use TARGET_HARD_MUL
2533 (ADJUST_COST): Call ultrasparc_adjust_cost.
2535 * sparc.md (attr type): Add sload, fpmove, fpcmove. Adjust users
2536 of load & fp appropritely.
2537 (supersparc function units): Adjust for Haifa.
2538 (ultrasparc function units): Likewise.
2539 (get_pc_via_rdpc): All v9, not just arch64.
2540 (movdi_v8plus, movdi_v8plus+1): New.
2541 (adddi3_sp32+1): New.
2542 (subdi3_sp32+1): New.
2543 (movsi_insn, movsf_const_insn, movdf_const_insn): Know VIS.
2544 (addsi3, subsi3, anddi3_sp32, andsi3, and_not_di_sp32): Likewise.
2545 (and_not_si, iordi3_sp32, iorsi3, or_not_di_sp32, or_not_si): Likewise.
2546 (xorsi3_sp32, xorsi3, xor_not_di_sp32, xor_not_si): Likewise.
2547 (one_cmpldi2_sp32, one_cmplsi2): Likewise.
2548 (ldd peepholes): Suppress for v9.
2549 (return_adddi): Kill redundant test. Arg1 may be arith_operand.
2550 (return_subsi): Revmove.
2552 Fri Jan 30 18:30:03 1998 John F Carr <jfc@mit.edu>
2554 * mips.c (save_restore_insns): Set RTX_UNCHANGING_P in register
2555 save/restore MEM rtl.
2557 Fri Jan 30 09:08:16 1998 Jeffrey A Law (law@cygnus.com)
2559 * configure.in: Check for declaration of abort.
2560 * acconfig.h: Corresponding changes.
2561 * toplev.c: Use NEED_DECLARATION_ABORT to determine if abort should
2564 Thu Jan 29 20:26:12 1998 Jeffrey A Law (law@cygnus.com)
2566 * genattrtab.c (optimize): Define in case PRESERVE_DEATH_INFO_REGNO_P
2569 Thu Jan 29 09:27:56 PST 1998 Jeff Law (law@cygnus.com)
2571 * version.c: Bump for snapshot.
2573 Thu Jan 29 10:12:27 1998 Jeffrey A Law (law@cygnus.com)
2575 * configure.in: Check for atoq and atoll.
2576 * rtl.c (read_rtx): Use HAVE_ATOLL and HAVE_ATOQ to select the
2577 proper routine for converting ascii into long long values.
2579 Thu Jan 29 01:28:14 1998 Klaus Kaempf <kkaempf@progis.de>
2581 * cccp.c (SYS$SEARCH, SYS$PARSE): Write as upper-case.
2583 * vmsconfig.com: Remove bytecode references.
2585 * alpha/vms.h (PREFIX): Define.
2587 * alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Remove.
2589 * am-alpha.h: Don't include alloca for OPEN_VMS.
2591 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Define.
2593 * alpha/xm-vms.h (INCLUDE_DEFAULTS): Define.
2594 (GCC_INCLUDE_DIR): Define
2596 * make-cc.com, make-cccp.com, make-cc1.com: Removed.
2597 * makefile.vms: New file.
2599 * alpha/vms.h (CPP_PREDEFINES): Remove -Dalpha.
2601 * alpha.c (output_prolog): Output '.name' directive
2602 for minimal traceback information.
2604 * alpha.c (output_prolog): Don't prepend entry point symbols
2605 with '$' on OPEN_VMS.
2607 Thu Jan 29 00:25:35 1998 David S. Miller <davem@tanya.rutgers.edu>
2608 Jeffrey A Law (law@cygnus.com)
2610 * rtl.c (read_rtx): Use atol/atoq based upon disposition of
2613 * genattrtab.c (write_test_expr): Use HOST_WIDE_INT_PRINT_DEC
2615 * genemit.c (gen_exp): Likewise.
2616 * genpeep.c (match_rtx): Likewise.
2617 * genrecog.c (write_tree_1): Likewise.
2619 * c-lex.c (yyprint): Use proper format string based upon
2620 disposition of HOST_BITS_PER_WIDE_INT.
2621 (yylex): Put casts in right place for args to build_int_2.
2623 Thu Jan 29 00:24:29 1998 Jeffrey A Law (law@cygnus.com)
2625 * combine.c: Fix typos in Jan27 changes.
2627 Thu Jan 29 00:07:49 1998 Ollivier Robert <roberto@keltia.freenix.fr>
2629 * i386/freebsd.h (LIB_SPEC): Correctly handle -shared, -p and friends.
2630 (LINK_SPEC): Likewise.
2631 (STARTFILE_SPEC): Likewise.
2633 1998-01-28 Mike Stump <mrs@wrs.com>
2635 * rtlanal.c (dead_or_set_regno_p): Ignore REG_DEAD notes after
2637 * genattrtab.c (reload_completed): Define.
2639 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Remove obsolete
2642 Wed Jan 28 20:11:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2644 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
2645 SUBREG_REG if the word count is unchanged, also in the input reload
2646 case. Disable non-applicable sanity checks.
2648 Wed Jan 28 20:08:26 1998 Jeffrey A Law (law@cygnus.com)
2650 * config/t-svr4 (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
2652 Wed Jan 28 20:04:43 1998 Ian Lance Taylor <ian@cygnus.com>
2654 * i386/t-cygwin32 (LIMITS_H_TEST, LIBGCC2_INCLUDES): Define.
2656 Wed Jan 28 11:45:27 1998 Per Bothner <bothner@cygnus.com>
2658 * dbxout.c (dbxout_type): For a RECORD_TYPE, check that TYPE_BINFO
2659 is a TREE_VEC before trying to use it for baseclasses.
2660 (Chill uses the same field for a different purpose.)
2662 * toplev.c (strip_off_ending): Generalize to endings up to 5 chars.
2664 Tue Jan 27 23:15:55 1998 Lassi A. Tuura <lat@iki.fi>
2666 * config.sub: More accurate determination of HP processor types.
2668 Tue Jan 27 23:11:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2670 * c-lex.c: Include <stdlib.h> and <string.h>/<strings.h>. Add
2671 prototype for `handle_sysv_pragma', and make it static. Add
2672 parentheses around assignment used as truth value.
2674 * combine.c (combine_instructions): Protect variable `prev' with
2676 (can_combine_p): Protect variable `link' with AUTO_INC_DEC.
2677 (extract_left_shift): Add parentheses around operand of &.
2678 (merge_outer_ops): Avoid an empty body in an else-statement.
2679 (gen_rtx_combine): Remove unused variable `i'.
2681 * sparc/gmon-sol2.c: Include <fcntl.h>. Make return type of
2682 function monstartup `void'. Likewise for internal_mcount. Add
2683 `static void' prototype for moncontrol. Reconcile sprintf format
2686 * sparc/sparc.c: Include <stdlib.h> and <string.h>/<strings.h>.
2687 Make return type of function_arg_slotno explicitly `int'.
2688 (reg_unused_after): Add parentheses around assignment used as
2690 (save_regs): Add explicit braces to avoid ambiguous `else'.
2691 (function_arg_slotno): Add parentheses around && within ||.
2692 (function_arg_pass_by_reference): Likewise.
2693 (sparc_flat_output_function_prologue): Reconcile fprintf format
2696 * svr4.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
2697 assignment used as truth value.
2699 * cplus-dem.c: Include <stdlib.h>.
2700 (demangle_signature): Avoid an empty body in an else-statement.
2701 (do_type): Remove unused variable `lvl'.
2703 * cppexp.c: Don't have <stdlib.h> depend on MULTIBYTE_CHARS.
2704 Include <string.h>/<strings.h>.
2705 (cpp_lex): Remove unused variable `namelen'.
2706 (cpp_lex): Explicitly declare `num_chars' as an int.
2708 * cpplib.c: Avoid duplicate inclusion of <stdlib.h>, include
2709 <unistd.h> instead. Explicitly declare is_system_include
2711 (make_assertion): Remove unused variable `kt'.
2712 (cpp_expand_to_buffer): Hide variable `obuf'.
2713 (output_line_command): Remove unused variables, `line_end',
2714 `line_cmd_buf' and `len'.
2715 (macarg): Remove unused variable `arg_start'.
2716 (special_symbol): Remove unused variable `i'. Add parentheses
2717 around assignment used as truth value.
2718 (do_include): Remove unused variables `pcfname' and `retried',
2719 hide `pcf' and `pcfbuflimit'.
2720 (do_line): Remove unused variable `i'.
2721 (finclude): Hide variable `missing_newline'.
2722 (cpp_handle_options): Remove unused variable `j'.
2723 (read_token_list): Remove unused variable `eofp'.
2724 (cpp_error_with_line): Remove unused variable `i'.
2725 (cpp_warning_with_line): Likewise.
2726 (cpp_pedwarn_with_line): Explicitly declare `column' as int.
2727 (cpp_error_from_errno): Remove unused variable `i'.
2729 * cse.c (invalidate): Add parentheses around assignment used as
2731 (find_best_addr): Move declaration of variable `our_cost' inside
2732 the conditional macro where its used.
2733 (fold_rtx): Avoid an empty body in an if-statement.
2734 (cse_insn): Wrap variables `this_insn_cc0_mode' and
2735 `this_insn_cc0' in macro HAVE_cc0.
2737 * dwarf2out.c: Include <stdlib.h> and <string.h>/<string.h>.
2738 (ASM_OUTPUT_DWARF_DATA8): Reconcile format vs. args in fprintf's.
2739 (output_uleb128): Likewise.
2740 (output_sleb128): Likewise.
2741 (output_cfi): Likewise.
2742 (output_call_frame_info): Remove unused variables `j', `fde_size'
2744 (comp_unit_has_inlines): Hide declaration as per rest of file.
2745 (size_of_line_prolog): Correct typo in prototype.
2746 (add_arange): Likewise.
2747 (output_aranges): Likewise.
2748 (add_name_and_src_coords_attributes): Likewise.
2749 (gen_array_type_die): Likewise.
2750 (gen_inlined_subroutine_die): Likewise.
2751 (equate_decl_number_to_die): Remove unused variable `i'.
2752 (print_die): Reconcile format vs. args in fprintf's.
2753 (print_dwarf_line_table): Likewise.
2754 (output_die): Likewise.
2755 (output_line_info): Likewise.
2756 (add_subscript_info): Avoid an empty body in an else-statement.
2757 (gen_subprogram_die): Remove unused variable `fp_loc'.
2759 * dwarfout.c: Explicitly declare `next_pubname_number' as int.
2760 Protect `ordering_attribute' prototype with USE_ORDERING_ATTRIBUTE
2761 macro. Protect `src_coords_attribute' prototype with
2762 DWARF_DECL_COORDINATES macro. Hide `output_entry_point_die'
2763 prototype as in the rest of the file. Likewise for
2764 `output_pointer_type_die' and `output_reference_type_die'. Remove
2765 prototype for `type_of_for_scope'.
2766 (output_unsigned_leb128): Reconcile format vs. args in fprintf.
2767 (type_attribute): Add explicit braces to avoid ambiguous `else'.
2769 * final.c: Include <stdlib.h> and <string.h>/<strings.h>.
2770 (shorten_branches): Protect declaration of tmp_length with
2771 SHORTEN_WITH_ADJUST_INSN_LENGTH and ADJUST_INSN_LENGTH macros.
2772 (profile_function): Protect declaration of `sval' and `cxt'
2773 variables with appropriate macros.
2774 (final_scan_insn): Likewise for `note' variable. Add explicit
2775 braces to avoid empty body in an if-statement.
2776 (output_asm_insn): Move variable `i' inside macro conditional
2777 where it is used. Add parentheses around assignment used as truth
2779 (asm_fprintf) Likewise, likewise.
2781 * fix-header.c (main): Remove unused variable `done'. Protect
2782 declaration of `i' with FIXPROTO_IGNORE_LIST.
2784 * pexecute.c: Include <unistd.h>. Prototype `my_strerror'.
2786 * print-rtl.c (print_inline_rtx): Explicitly declare the parameter
2789 * profile.c: Include <string.h>/<strings.h>.
2790 (instrument_arcs): Remove unused variables `note', `inverted',
2791 `zero' and `neg_one'.
2792 (branch_prob): Avoid empty body in an if-statement.
2794 * regclass.c: Include <stdlib.h>.
2795 (reg_alternate_class): Explicitly declare parameter `regno'.
2797 * regmove.c (regmove_optimize): Remove unused variable `p'. Add
2798 parentheses around assignment used as truth value.
2799 (find_matches): Remove unused variables `output_operand' and
2801 (fixup_match_1): Remove statement with no effect: "if (0) ;".
2803 * scan.c (sstring_append): Explicitly declare `count' as int.
2804 (scan_string): Explicitly declare parameter `init' as int.
2806 * sched.c: Include <stdlib.h>.
2807 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
2808 (rank_for_schedule): Add parentheses around assignment used as
2810 (schedule_block): Likewise.
2811 (regno_use_in): Likewise.
2812 (schedule_insns): Remove unused variable `i'.
2814 * toplev.c: Include <stdlib.h> and <string.h>/<strings.h>.
2815 (v_message_with_decl): Remove unused variable `n'.
2816 (botch): Explicitly declare parameter `s' as char *.
2817 (main): Add parentheses around assignment used as truth value.
2819 * tree.c (make_node): Protect the variable `kind' with the
2820 GATHER_STATISTICS macro.
2821 (real_value_from_int_cst): Move variable `e' inside conditional
2822 macro area where it is used.
2823 (tree_last): Add parentheses around assignment used as truth value.
2824 (build1): Protect the variable `kind' with the GATHER_STATISTICS
2826 (print_obstack_statistics): Reconcile format vs. args in fprintf.
2827 Protect variables `i', `total_nodes', and `total_bytes' with the
2828 GATHER_STATISTICS macro.
2830 Tue Jan 27 23:01:55 1998 Mike Stump (mrs@wrs.com)
2832 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Add
2833 some comments regarding use of dead_or_set_p.
2835 Tue Jan 27 22:14:48 1998 Todd Vierling <tv@pobox.com>
2837 * fixincludes: Tweak fix for struct exception in math.h
2839 Tue Jan 27 17:21:09 1998 Gavin Koch (gavin@cygnus.com)
2841 * mips/mips.c (mips_expand_prologue,mips_expand_epilogue):
2842 Change mode of registers used to add/sub from
2843 hard_frame_pointer_rtx from word_mode to Pmode.
2845 Tue Jan 27 11:02:04 1998 Nick Clifton <nickc@cygnus.com>
2847 * v850.h (ASM_OUTPUT_ALIGNED_BSS): Use
2848 asm_output_aligned_bss() instead of asm_output_bss().
2850 * toplev.c (rest_of_compilation): Replace references to
2851 stack_reg_dump_file and dbr_sched_dump_file with references to
2854 Tue Jan 27 10:22:13 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
2856 * tlink.c (scan_linker_output): Call fclose() for opened files.
2858 Tue Jan 27 05:05:26 1998 Richard Henderson <rth@cygnus.com>
2860 * alpha.c (output_epilog [!VMS]): Don't tag global functions if
2861 compiling with -fpic -- we want to be able to override symbols
2863 (alpha_expand_block_move): Fix thinko in last change.
2865 * alpha.h (ASM_OUTPUT_MI_THUNK): New define.
2866 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): New define.
2867 * config/alpha/vms.h (ASM_OUTPUT_MI_THUNK): New undef.
2869 Tue Jan 27 03:21:23 1998 Richard Henderson <rth@cygnus.com>
2871 * alpha.md (abssf, absdf): Revert last change.
2873 Tue Jan 27 00:26:50 1998 John Carr <jfc@mit.edu>
2875 * dwarf2out.c (dwarf2out_frame_init): Test value of DWARF2_UNWIND_INFO.
2876 * mips/sni-svr4.h: Define DWARF2_UNWIND_INFO as 0.
2878 Tue Jan 27 00:07:02 1998 Jeffrey A Law (law@cygnus.com)
2880 * emit-rtl.c (gen_lowpart_common): Handle more case where converting
2881 a CONST_INT into SFmode.
2883 Tue Jan 20 16:01:03 1998 Anthony Green <green@cygnus.com>
2885 * flags.h: New flag (optimize_size).
2886 * toplev.c (main): Parse -Os option and set optimize_space
2888 * gcc.c (default_compilers), cp/lang-specs.h, f/lang-specs.h: Define
2889 __OPTIMIZE_SIZE__ when compiling with -Os.
2890 * config/dsp16xx/dsp16xx.h, config/i386/i386.h,
2891 config/i386/dgux.h, config/i960/i960.h, config/pdp11/pdp11.h,
2892 config/v850/v850.h (OPTIMIZATION_OPTIONS): New SIZE argument
2894 * config/i386/i386.c (optimization_options): Accept new SIZE argument.
2896 Mon Jan 26 23:57:39 1998 Manfred Hollstein <manfred@s-direktnet.de>
2898 * libgcc2.c (__clear_insn_cache): On sysV68 enable the memctl
2899 stuff only if MCT_TEXT is #define'd.
2901 Mon Jan 26 23:52:51 1998 Markus F.X.J. Oberhumer <k3040e4@c210.edvz.uni-linz.ac.at>
2903 * configure.in (i*86-pc-msdosdjgpp): Treat like msdos & go32
2906 Fri Jan 23 09:39:36 1998 Nick Clifton <nickc@cygnus.com>
2908 * toplev.c: Add -dM command line option to dump RTL after the
2909 machine dependent reorganisation pass, if there is one.
2910 Reorganise RTL dump code, so that only one file handle is
2913 Mon Jan 26 12:09:42 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
2915 * except.c (check_exception_handler_labels): Disable warning when
2918 Mon Jan 26 18:17:32 1998 Jim Wilson <wilson@cygnus.com>
2920 * sparc.c (pic_setup_code): Don't set LABEL_PRESERVE_P.
2922 Mon Jan 26 18:11:30 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2924 * c-decl.c (grokdeclarator): Get parameter tags from
2925 last_function_parm_tags.
2926 * dwarfout.c (output_formal_types): Set TREE_ASM_WRITTEN before
2927 traversing the parameter types.
2928 (output_type): No early exit for FUNCTION_TYPE / METHOD_TYPE context.
2930 Mon Jan 26 01:44:12 1998 Jeffrey A Law (law@cygnus.com)
2932 * h8300.c (print_operand): Handle CONST_DOUBLE for 'e', 'f', and
2934 (get_shift_alg): Fix typo.
2936 Sun Jan 25 22:22:04 1998 Richard Henderson <rth@cygnus.com>
2938 * alpha.c (alpha_expand_block_move): Copy ADDRESSOF to reg.
2940 Sun Jan 25 22:14:28 1998 Richard Henderson <rth@cygnus.com>
2942 * toplev.c (get_run_time): Make sure each case gets its variables.
2944 Sun Jan 25 22:10:21 1998 Richard Henderson <rth@cygnus.com>
2946 * configure.in (build_xm_file): Add auto-config.h if host=build.
2947 (host_xm_file_list): Don't add $(srcdir) to auto-config.h.
2948 (build_xm_file_list): Likewise.
2949 * configure: Rebuild.
2951 Sun Jan 25 22:00:25 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk>
2953 * recog.c (validate_replace_rtx_1): Only perform substitutions
2954 of arguments to commutative and comparison operators once.
2956 Sun Jan 25 12:30:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2958 * sparc.c (output_cbranch): Add default case in
2961 * reorg.c (insn_sets_resource_p): Correct typo in prototype.
2962 (emit_delay_sequence): Eliminate unused parameter, all callers
2964 (fill_simple_delay_slots): Likewise.
2965 (fill_slots_from_thread): Likewise.
2966 (fill_eager_delay_slots): Likewise.
2967 (mark_referenced_resources): Add default case in enumeration switch.
2968 (mark_set_resources): Likewise.
2969 (rare_destination): Likewise.
2970 (mostly_true_jump): Likewise.
2971 (find_dead_or_set_registers): Likewise.
2972 (redirect_with_delay_slots_safe_p): Remove unused variable `slots'.
2973 (update_reg_unused_notes): Remove unused variable `p'.
2974 (mark_target_live_regs): Remove unused variables `next' and
2976 (fill_simple_delay_slots): Remove unused variable `j'.
2977 (fill_slots_from_thread): Add parentheses around assignment used
2979 (dbr_schedule): Likewise.
2981 * objc/Make-lang.in (objc.stage1): Depend on stage1-start.
2982 (objc.stage2, objc.stage3, objc.stage4): Likewise.
2984 Sun Jan 25 12:13:47 1998 Michael Tiemann <michael@tiemann.org>
2986 * cse.c (simplify_ternary_operation): Don't try to simplify
2987 IF_THEN_ELSE expressions (created by combine) that don't use
2988 relational operators.
2990 Fri Jan 23 22:48:24 1998 Jeffrey A Law (law@cygnus.com)
2992 * cse.c (simplify_ternary_operation): Handle more IF_THEN_ELSE
2995 * crtstuff.c (init_dummy): Keep the epilogue in the init
2996 section for non-ELF systems.
2998 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3000 * sh.md (movqi_i+1): New peephole.
3002 Fri Jan 23 15:39:42 1998 Jim Wilson <wilson@cygnus.com>
3004 * Makefile.in: Remove remaining bytecode stuff.
3005 * emit-rtl.c, expr.c: Likewise.
3007 Fri Jan 23 12:41:10 1998 Nick Clifton (nickc@cygnus.com)
3009 * toplev.c (lang_options): Add unknown-pragma options.
3011 Thu Jan 22 23:43:38 1998 Per Bothner <bothner@cygnus.com>
3013 * dwarfout.c (byte_size_attribute): Simplify and fix - don't need
3014 special (and incomplete) handling for Chill arrays.
3016 Fri Jan 23 00:27:23 1998 John Carr <jfc@mit.edu>
3018 * toplev.c (get_run_time): Call sysconf(_SC_CLK_TCK), when available,
3021 Fri Jan 23 00:19:36 1998 Gavin Koch (gavin@cygnus.com)
3023 * mips.md (muldi3_internal2): Reverse test for TARGET_MIPS16.
3025 1998-01-22 scott snyder <snyder@d0sgif.fnal.gov>
3027 * mips.c (function_prologue): Use HARD_FRAME_POINTER_REGNUM in
3028 .frame directive instead of FRAME_POINTER_REGNUM.
3030 Fri Jan 23 00:08:55 1998 Robin Kirkham <rjk@mlb.dmt.csiro.au>
3032 * m68k.h (TARGET_SWITCHES): -mcpu32 now clears MASK_68881.
3033 (MACHINE_STATE_m68010_up): Replaced __mc68332__ with __mcpu32__.
3034 * m68k/m68k-none.h(CPP_FPU_SPEC): Update relative to TARGET_SWITCHES.
3035 (CPP_SPEC, ASM_SPEC, CC1_SPEC): Likewise.
3036 (CPP_SPEC): -m68332 defines both __mc68332 and __mcpu32__.
3037 * m68k/t-m68kbare (MULTILIB_OPTIONS): Add mcpu32.
3038 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
3039 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
3041 * longlong.h: Replace __mc68332__ with __mcpu32__.
3043 Thu Jan 22 19:55:40 PST 1998 Jeff Law (law@cygnus.com)
3045 * version.c: Bump for snapshot.
3047 Thu Jan 22 14:47:31 1998 Jim Wilson <wilson@cygnus.com>
3049 * reload.c (push_reload): In WORD_REGISTER_OPERATIONS code, add test
3050 to require the SUBREG mode to be smaller than the SUBREG_REG mode.
3051 * reload1.c (eliminate_regs): Likewise.
3053 Thu Jan 22 14:49:14 1998 Jeffrey A Law (law@cygnus.com)
3055 * regmove.c (find_matches): Initialize matches->earlyclobber too.
3057 Thu Jan 22 01:40:52 1998 Richard Henderson <rth@cygnus.com>
3059 * alpha.md (abssf2, absdf2): Disable in IEEE mode.
3060 (negsf2, negdf2): Use proper subtract in IEEE mode.
3062 Tue Jan 20 09:29:09 1998 Jeffrey A Law (law@cygnus.com)
3064 * Makefile.in: Remove more bytecode stuff.
3065 * expr.c, stmt.c, config/msdos/top.sed: Likewise.
3066 * vax/xm-vms.h, winnt/config-nt.sed: Likewise.
3067 * f/install.texi, objc/Make-lang.in: Likewise.
3069 * Makefile.in: Remove all bytecode support.
3070 (OBJS): Make sure last entry is a real object file, not EXTRA_OBJS.
3071 * emit-rtl.c: Remove all bytecode support.
3072 * expr.c, expr.h function.c, integrate.c: Likewise.
3073 * output.h, regclass.c, rtl.h, stmt.c, toplev.c: Likewise.
3074 * tree.h, varasm.c: Likewise.
3075 * config/m68k/m68k.h: Likewise.
3076 * bi-*, bc-*, bytecode*: Delete bytecode related files.
3077 * modemap.def: Likewise.
3079 Tue Jan 20 09:02:31 1998 Gavin Koch (gavin@cygnus.com)
3081 * mips/mips.md (divsi3,divdi3,modsi3,moddi3,udivsi3,udivdi3,
3082 umodsi3,umoddi3): Handle mips16 div/mod by a constant.
3084 Mon Jan 19 21:57:00 1998 Richard Henderson <rth@cygnus.com>
3086 * i386.md (push): Prohibit symbolic constants if flag_pic.
3087 (movsi+1): Likewise for move to non-register.
3089 Mon Jan 19 11:15:38 1998 Jim Wilson <wilson@cygnus.com>
3091 * alpha.c (mode_mask_operand): Accept 0xffffffff on 32 bit host.
3092 (print_operand): Handle 0xffffffff on 32 bit host.
3094 * configure.in (thread_file): Rename uses before main loop to
3095 target_thread_file. Initialize to empty in main loop. Set thread_file
3096 to target_thread_file after main loop if not set.
3097 * configure: Rebuild.
3099 * genattrtab.c (find_and_mark_used_attributes): Handle CONST_INT.
3100 (add_values_to_cover): Revert last change (which had no ChangeLog
3102 (simplify_with_current_value_aux): Handle CONST_INT.
3104 Mon Jan 19 10:14:55 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3106 * unprotoize.c: Define UNPROTOIZE first, to actually take effect.
3108 Mon Jan 19 10:11:52 1998 Richard Henderson <rth@cygnus.com>
3110 * configure.in: Add cpp stringify test.
3111 * acconfig.h (HAVE_CPP_STRINGIFY): New tag.
3112 * gengenrtl.c: Use it.
3113 * configure, config.in: Rebuild.
3115 Mon Jan 19 09:43:15 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3117 * Makefile.in (genrtl.c genrtl.h): Add dummy command for GNU make.
3119 Mon Jan 19 09:38:18 1998 Richard Henderson <rth@cygnus.com>
3121 * configure.in: Find declaration for sbrk.
3122 * acconfig.h (NEED_DECLARATION_SBRK): New tag.
3123 * config.in, configure: Rebuild.
3124 * mips-tfile.c: Properly protect declaration of sbrk and free.
3125 * toplev.c: Properly protect declaration of sbrk.
3127 Sun Jan 18 20:18:01 1998 Richard Henderson <rth@cygnus.com>
3129 * alpha.c (alpha_handle_trap_shadows): Ignore CLOBBERs.
3131 Sun Jan 18 01:54:27 1998 Jeffrey A Law (law@cygnus.com)
3133 * alpha/xm-winnt.h (HAS_INIT_SECTION): Undefine.
3135 Sun Jan 18 00:57:35 1998 Mike Stump (mrs@wrs.com)
3137 * configure.in (i960-wrs-vxworks): Default to latest vxworks release.
3139 Sat Jan 17 23:41:36 1998 David S. Miller <davem@tanya.rutgers.edu>
3141 * combine.c (force_to_mode, nonzero_bits): Correctly optimize
3142 constant offset computations from objects with known alignment in
3143 the presence of STACK_BIAS.
3145 * varasm.c (immed_double_const): Add casts to HOST_WIDE_INT where
3147 (const_hash): Hash val is unsigned long.
3148 (SYMHASH): Likewise.
3150 * tree.c (TYPE_HASH): Type of hash val is unsigned long.
3152 * print-tree.c (print_node_brief): HOST_PTR_PRINTF format wants a
3153 char pointer, not HOST_WIDE_INT.
3154 (print_node): Likewise. Also hash is unsigned long not
3157 * cse.c (canon_hash): Hash is unsigned long not HOST_WIDE_INT.
3159 * explow.c (optimize_save_area_alloca): New function for targets
3160 where SETJMP_VIA_SAVE_AREA is true.
3161 (allocate_dynamic_stack_space): On SETJMP_VIA_SAVE_AREA targets,
3162 compute the amount of stack space needed should we find later that
3163 setjmp is never called by this function, stuff rtl for this inside
3164 a REG_NOTE of the final SET of stack_pointer_rtx.
3165 * toplev.c (rest_of_compilation): If SETJMP_VIA_SAVE_AREA and
3166 current_function_calls_alloca, call optimize_save_area_alloca.
3168 Sat Jan 17 23:22:59 1998 John Wehle (john@feith.com)
3170 * i386.md: Remove redundant integer push patterns.
3171 Don't bother checking for TARGET_PUSH_MEMORY when
3172 pushing constants or registers.
3174 Sat Jan 17 22:35:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
3175 J.J VanderHeijden <J.J.vanderHeijden@student.utwente.nl>
3177 * pexecute.c (pexecute): New function for mingw32. Supports pipes.
3178 (pwait): New function for mingw32.
3180 * gcc.c (execute): Mingw32 pexecute() supports pipes, but cygwin32
3181 pipe support is broken for now.
3183 1998-01-17 Lee Iverson <leei@Canada.AI.SRI.COM>
3185 * emit_rtl.c (init_emit_once): Ensure that potential aliasing
3186 between frame_pointer_rtx, hard_frame_pointer_rtx, and
3187 arg_pointer_rtx is respected in initialization.
3188 (init_emit_once): Use gen_rtx_raw_REG() to create
3189 return_address_pointer_rtx.
3191 * reorg.c: #include "expr.h" for rtx prototypes.
3192 * Makefile.in (reorg.o): Depend on expr.h
3194 Sat Jan 17 21:28:08 1998 Pieter Nagel <pnagel@epiuse.co.za>
3196 * Makefile.in (FLAGS_TO_PASS): Pass down gcc_include_dir and
3197 local_prefix to sub-make invocations.
3199 Sat Jan 17 21:24:16 1998 David T. McWherter <dtm@waterw.com>
3201 * objc-parse.c: Recognize protocol qualifiers in class definitions.
3203 Sat Jan 17 21:16:19 1998 Jeffrey A Law (law@cygnus.com)
3207 * acconfig.h (NEED_DECLARATION_ATOL): New declaration to check for.
3208 * configure.in: Check for atol.
3209 * rtl.c (atol): Only provide the declaration if NEED_DECLARATION_ATOL.
3211 * rtl.c (read_rtx): Initialize list_rtx to NULL, not NULL_RTX.
3213 * loop.c (find_and_verify_loops): When attempting to move insns from
3214 inside the loop outside the loop, create a BARRIER if no suitable
3217 * jump.c (jump_optimize): Remove Dec 17, 1997 chance in
3218 favor of an equivalent change from gcc-2.8.
3220 * i386/x-sco5 (CC): Remove trailing whitespace.
3222 Sat Jan 17 21:09:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3224 * gengenrtl.c (type_from_format): De-ANSIfy function signature.
3225 (accessor_from_format): Likewise.
3226 (xmalloc): New function for use when linking with alloca.o.
3228 Mon Jan 5 02:53:01 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
3230 * frame.c (find_fde): Correct FDE's upper bound.
3232 Fri Jan 16 16:23:52 1998 Richard Henderson <rth@cygnus.com>
3234 * gengenrtl.c (DEF_RTL_EXPR): Provide a K&R compliant version.
3236 Fri Jan 16 10:16:10 1998 Jeffrey A Law (law@cygnus.com)
3238 * calls.c (expand_call): Move #ifdef code out of macro argument
3240 (emit_library_call, emit_library_call_value): Likewise.
3242 Fri Jan 16 00:46:40 1998 Jeffrey A Law (law@cygnus.com)
3244 * rtl.def (INLINE_HEADER): Fix bug exposed by gen_rtx_FOO changes.
3246 Thu Jan 15 01:02:30 1998 Jeffrey A Law (law@cygnus.com)
3248 * version.c: Bump for snapshot.
3250 Wed Jan 14 22:49:17 1998 Richard Henderson <rth@cygnus.com>
3252 * alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO;
3253 change gen_rtx(expr...) to gen_rtx_fmt_foo(expr...).
3254 * caller-save.c, calls.c, combine.c, cse.c: Likewise.
3255 * dwarf2out.c, except.c, explow.c, expmed.c, expr.c: Likewise.
3256 * final.c, flow.c, function.c, genpeep.c, haifa-sched.c: Likewise.
3257 * halfpic.c, integrate.c, jump.c, local-alloc.c, loop.c: Likewise.
3258 * profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise.
3259 * reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise.
3260 * unroll.c, varasm.c: Likewise.
3261 * config/alpha/alpha.c, config/alpha/alpha.md: Likewise.
3263 Wed Jan 14 19:36:08 1998 Gavin Koch (gavin@cygnus.com)
3265 * mips.h: Fix some type-o's from a previous change.
3267 Wed Jan 14 01:26:05 1998 Jeffrey A Law (law@cygnus.com)
3269 * loop.c (check_dbra_loop): Make sure initial value is a
3270 CONST_INT before trying to normalize it.
3272 Tue Jan 13 23:27:54 1998 Robert Lipe (robertl@dgii.com)
3274 * sco5.h (ASM_OUTPUT_SECTION_NAME): Refresh from ../svr4.h.
3276 Tue Jan 13 22:47:02 1998 Herman ten Brugge <herman@htbrug.net.HCC.nl>
3278 * cppexp.c: Include gansidecl.h
3280 Tue Jan 13 22:43:35 1998 Ian Lance Taylor <ian@cygnus.com>
3282 * svr4.h (LINK_SPEC): Never specify -h.
3283 * ptx4.h (LINK_SPEC): Likewise.
3284 * rs6000/sysv4.h (LINK_SPEC): Likewise.
3285 * sparc/sol2.h (LINK_SPEC): Likewise.
3287 Tue Jan 13 22:39:40 1998 Richard Henderson (rth@cygnus.com)
3289 * c-typeck.c (comptypes): Exit early on NULL input.
3291 * haifa-sched.c (schedule_insns): Correctly remove inter-block
3292 dependencies after reload.
3294 Tue Jan 13 22:22:31 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
3296 * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__.
3298 Tue Jan 13 22:14:57 1998 Klaus Kaempf <kkaempf@progis.de>
3300 * alpha/vms.h (DIR_SEPARATOR): define
3302 Tue Jan 13 22:13:04 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
3304 * Makefile.in (stamp-proto): Remove.
3305 (protoize.o, unprotoize.o): Straightforward compile.
3306 * unprotoize.c: Define UNPROTOIZE here, not in the Makefile.
3308 Tue Jan 13 21:59:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
3310 * i386/cygwin32.h (STRIP_NAME_ENCODING): Define for Win32 to strip
3311 off the trailing @[NUM] added by ENCODE_SECTION_INFO.
3313 Tue Jan 13 21:55:06 1998 Jeffrey A Law (law@cygnus.com)
3315 * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now.
3316 * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise.
3317 * sparc/netbsd.h, vax/netbsd.h: Likewise.
3319 Tue Jan 13 21:37:07 1998 Shigeya Suzuki <shigeya@foretune.co.jp>
3321 * i386/bsd386.h (DWARF2_UNWIND_INFO): Define as zero for now.
3323 Tue Jan 13 17:50:55 1998 Jim Wilson <wilson@cygnus.com>
3325 * configure.in (target_cpu_default, target_cpu_default2): Use double
3326 quotes around them when testing their value.
3327 * configure: Rebuilt.
3329 Tue Jan 13 09:07:44 1998 John Carr <jfc@mit.edu>
3331 * gengenrtl.c (gencode): Emit new function obstack_alloc_rtx
3333 (gendef): Call obstack_alloc_rtx.
3335 Tue Jan 13 01:16:36 1998 Robert Lipe (robertl@dgii.com)
3337 * configure.in: (i[3456]86-UnixWare7-sysv5): Treat much like SVR4
3340 Thu Dec 18 18:40:17 1997 Mumit Khan <khan@xraylith.wisc.edu>
3342 * i386/mingw32.h (INCOMING_RETURN_ADDR_RTX): Delete. Use the value
3343 of DWARF2_UNWIND_INFO, if any, from i386/cygwin32.h instead.
3344 (STANDARD_INCLUDE_DIR): Change to /usr/local/i386-mingw32/include.
3346 Tue Jan 13 00:44:02 1998 Jim Wilson <wilson@cygnus.com>
3348 * mips.md (return_internal): Change mode from SImode to VOIDmode.
3350 Sat Jan 10 22:11:39 1998 J. Kean Johnston <jkj@sco.com>
3352 * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle
3355 Sat Jan 10 22:04:15 1998 Stan Cox <scox@equinox.cygnus.com>
3357 * i386.md: (movsicc_1, movhicc_1): For alternate 3 set the opcode
3358 suffix from operand 3.
3360 Sat Jan 10 21:50:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3361 Jeffrey A Law (law@cygnus.com)
3363 * regmove.c: New implementation of regmove pass.
3364 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2): Remove
3365 decls, make them have external linkage. Return a value from
3366 optimize_reg_copy_1.
3367 * reload.h (count_occurrences): Add decl.
3368 * reload1.c (count_occurrences): Delete decl, make it have external
3370 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Declare.
3372 Sat Jan 10 20:30:12 1998 Jeffrey A Law (law@cygnus.com)
3374 * regclass.c (record_address_regs): Don't use REG_OK_FOR_BASE_P
3375 if it is not defined.
3377 Thu Jan 8 21:06:54 1998 Richard Henderson <rth@cygnus.com>
3379 * Makefile.in (OBJ, GEN, RTL_H): Add genrtl.[oh] bits.
3380 * emit-rtl.c (gen_rtx): Move special code to ...
3381 (gen_rtx_CONST_INT): New function.
3382 (gen_rtx_REG): New function.
3383 (*): Update all calls to gen_rtx.
3384 * genemit.c (gen_exp): Emit calls to gen_rtx_FOO for constant FOO.
3385 * rtl.h: Include genrtl.h; prototype CONST_INT & REG generators.
3386 (GEN_INT): Call gen_rtx_CONST_INT.
3387 * gengenrtl.c: New file.
3389 Mon Jan 5 13:00:18 1998 John F. Carr <jfc@mit.edu>
3391 * alias.c (*_dependence): Call base_alias_check before canon_rtx.
3392 (base_alias_check): If no base found for address call canon_rtx and
3395 Mon Jan 5 11:39:49 1998 Jeffrey A Law (law@cygnus.com)
3397 * mips.c (mips_expand_prologue): Handle large frame with no outgoing
3398 arguments for mips16.
3399 (mips_expand_epilogue): Pass "orig_tsize" to save_restore_insns.
3400 Don't lose if tsize is zero after handling large stack for mips16.
3401 * mips.md (return): For trivial return, return address is in $31.
3403 Sun Jan 4 20:24:00 1998 Nigel Stephens <nigel@algor.co.uk>
3405 * mips/mips16.S: Various changes to make it work with -msingle-float
3408 Sun Jan 4 14:25:18 1998 Gavin Koch <gavin@cygnus.com>
3409 Ian Lance Taylor <ian@cygnus.com>
3410 Jeff Law <law@cygnus.com>
3412 * mips.c, mips.h, mips.md: First cut at merging in mips16
3413 support. Major modifications throughout all three files.
3415 Sun Jan 4 01:01:50 1998 scott snyder <snyder@d0sgif.fnal.gov>
3417 * configure.in: Make gthr-default.h a forwarding header instead of
3420 Sat Jan 3 12:08:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3422 * gcov-io.h: Include sys/types.h to ensure we get size_t.
3424 * pa.h (ASM_OUTPUT_MI_THUNK): Add missing % in fprintf.
3426 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
3427 Jeffrey A Law (law@cygnus.com)
3429 * crtstuff.c (__frame_dummy): New function for irix6.
3430 (__do_global_ctors): Call __frame_dummy for irix6.
3431 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
3433 Fri Jan 2 04:57:57 1998 Weiwen Liu <liu@hepmail.physics.yale.edu>
3435 * alpha.c (vms_valid_decl_attribute_p): Move within #if OPEN_VMS.
3437 Fri Jan 2 04:34:14 1998 Richard Henderson <rth@cygnus.com>
3439 * c-decl.c (init_decl_processing): Provide proper fallback symbol
3440 for __builtin_memset.
3441 * expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
3442 not INTEGER_CST. Assert arg 3 is a constant.
3444 * alpha.c (mode_width_operand): Accept 64-bit modes.
3445 (mode_mask_operand): Likewise.
3446 (print_operand): Likewise for 'M' and 'U' codes.
3447 (alpha_expand_unaligned_load): New function.
3448 (alpha_expand_unaligned_store): Likewise.
3449 (alpha_expand_unaligned_load_words): Likewise.
3450 (alpha_expand_unaligned_store_words): Likewise.
3451 (alpha_expand_block_move): Likewise.
3452 (alpha_expand_block_clear): Likewise.
3453 * alpha.h (MOVE_RATIO): New define.
3454 * alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
3455 (insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
3457 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
3458 (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.
3460 Thu Jan 1 15:40:15 1998 Richard Henderson <rth@cygnus.com>
3462 * configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
3463 * configure: Update.
3465 Thu Jan 1 10:49:12 1998 Jeffrey A Law (law@cygnus.com)
3467 * emit-rtl.c (operand_subword): Correctly handle extracting a word
3468 from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN.
3470 * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate
3473 Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com>
3475 * configure.in: Set and subsitute host_exeext. Use it when creating
3476 the assembler and linker symlinks.
3477 * configure: Rebuild.
3478 * Makefile.in (exeext): Set to @host_exeext@.
3479 (build_exeext): New variable, set to @build_exeext@.
3480 (FLAGS_TO_PASS): Pass down build_exeext.
3481 (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi*
3484 Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com)
3486 * mn10200.md (addsi3, subsi3): Fix thinkos.
3488 Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com>
3490 * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
3491 save+restore. Fix pic+big_offset delay slot. Use "pic" case for
3492 unix always, since we want to be able to thunk to functions in a
3493 shared library from an application.
3495 Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com>
3497 * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.
3498 (LIB1ASMSRC, LIB1ASMFUNCS): Define.
3500 Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com)
3502 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
3503 offset's mode is not ptr_mode, convert it.
3505 Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com>
3507 * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross
3508 compiling if it was already defined.
3510 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
3512 * flow.c (find_basic_blocks): Don't create a new basic block
3513 for calls in a LIBCALL block.
3515 Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu>
3517 * config/fp-bit.c (L_df_to_sf): Fix typo in last change.
3519 Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com)
3521 * cse.c (rtx_cost): Remove conflicting default case.
3523 Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com>
3525 * configure.in: Move default enabling of Haifa out of for loop.
3526 * configure: Rebuild.
3528 Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com)
3530 * version.c: Bump for snapshot.
3532 1997-12-25 Teemu Torma <tot@trema.com>
3534 * Makefile.in (GTHREAD_FLAGS): New var.
3535 (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
3536 (distclean): Remove gthr-default.h.
3538 * configure.in: Accept dce as a thread package.
3539 Check for thread.h and pthread.h.
3540 Link gthr-default.h to appropriate thread file and set
3542 (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
3543 include multilib definitions from pa/t-dce-thr.
3544 (sparc-*-solaris2*): Enable threads by default, if thread.h or
3545 pthread.h is found, preferring posix threads over solaris ones.
3547 * config/pa/t-dce-thr: New file.
3548 * config/pa/t-pa: Removed multilibs.
3549 * config/sparc/t-sol2: Ditto.
3552 * gthr-single.h: New file.
3553 * gthr-posix.h: New file.
3554 * gthr-solaris.h: New file.
3555 * gthr-dce.h: New file.
3556 * libgcc-thr.h: Removed.
3557 * objc/thr-dce.c: New file copied from thr-decosf1.c.
3559 * frame.c: Include gthr.h instead of libgcc-thr.h.
3560 * libgcc2.c: Include gthr.h instead of libgcc-thr.h.
3561 (eh_context_initialize): If __gthread_once fails, use static eh
3563 (eh_context_free): Call __gthread_key_dtor.
3565 Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com)
3567 * expr.h (MUST_PASS_IN_STACK): Allow target port to override.
3569 Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com>
3571 * cse.c (max_insn_uid): New variable.
3572 (cse_around_loop): Use max_insn_uid.
3573 (cse_main): Set max_insn_uid.
3575 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
3576 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
3577 -mlong64, and -mgp{32,64} options.
3578 * mips.c (mips_abi): Change type to int.
3579 * mips.h (enum mips_abi_type): Delete.
3580 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
3581 (mips_abi): Change type to int.
3583 Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu>
3585 * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
3586 optimization is now always enabled.
3588 * calls.c (expand_call): Recognize C++ operator new as malloc-like
3591 * alias.c (memrefs_conflict_p): Eliminate tests now done by
3593 (*_dependence): Call canon_rtx before base_alias_check.
3594 (init_alias_once): New function to precompute set of registers which
3595 can hold Pmode function arguments.
3597 * rtl.h: Declare init_alias_once.
3599 * toplev.c (compile_file): Call init_alias_once.
3601 Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com)
3603 * tree.c (restore_tree_status): Do not dereference a null pointer.
3605 Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com>:
3607 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to
3608 RLIMIT_STACK. This maintains consistency with the recent, similar
3609 patch to cccp.c and toplev.c.
3611 Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com>
3613 * genattrtab.c (expand_units): For large nr opclasses, expand
3614 function_units_used with ORX to prevent blowups. Tag with FFS.
3615 (num_unit_opclasses): New variable.
3616 (gen_unit): Update it.
3617 (enum operator): Add ORX_OP.
3618 (operate_exp): Treat ORX as or, except don't expand across an if.
3619 Reuse number rtx's after operating on them.
3620 (check_attr_value): Accept IOR, AND, & FFS.
3621 (write_test_expr): Transmute `in_comparison' to `flags'. Allow
3622 for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE.
3623 (write_expr_attr_cache, write_toplevel_expr): New functions.
3624 (write_attr_get): Handle FFS-tagged expressions.
3625 (make_canonical): Don't expand const attributes.
3626 (convert_const_symbol_ref): Dike out.
3627 (evaluate_eq_attr): Handle SYMBOL_REF.
3628 (main): Don't emit get_attr_foo for const attributes.
3630 * alpha.c (override_options): Reinstate PROCESSOR_EV6.
3631 (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests.
3632 * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly.
3633 * alpha.md: Redo all of the scheduling, adding EV6 support, and
3634 combining function units where possible.
3635 (attr "type"): Split loads, stores, cmov into int/fp. Combine
3636 multiplies and divides. Add EV6 sqrt, ftoi, itof.
3637 (attr "opsize"): New attribute.
3638 (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns.
3639 (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX
3640 to control register allocation.
3641 (movsi2-1, movdi2-1): Likewise.
3643 Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com>
3645 * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
3646 MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
3647 Move OSF/1 specific defines out.
3648 * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
3649 Move Linux specific defines out.
3650 (LINK_SPEC): Genericize.
3651 (ASM_FILE_START): Emit .arch if using more than the base insn set.
3652 (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
3653 (SDB_DEBUGGING_INFO): Remove; gas can't handle it.
3654 (HANDLE_SYSV_PRAGMA): Define.
3655 * alpha/osf.h: New file.
3656 * alpha/linux.h: Split. Retain file-format independant defines.
3657 Import Linux bits from elf.h.
3658 (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
3659 (FUNCTION_PROFILER): _mcount takes its address in $28.
3660 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
3661 * alpha/linux-ecoff.h: New file.
3662 * alpha/linux-elf.h: New file.
3663 * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
3664 * alpha/win-nt.h (TARGET_DEFAULT): Define.
3665 * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
3666 Add new headers as appropriate.
3668 * configure.in (alpha*): Enable Haifa by default.
3669 (*-*-winnt3*): Change to winnt*, since we're not v3 specific.
3670 * configure: Rebuild.
3672 Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com>
3674 * Makefile.in (clean): Remove the stages with their objects here ...
3675 (distclean): ... instead of here.
3677 Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3679 * cse.c (rtx_cost): Add default case in enumeration switch.
3680 * fix-header.c (recognized_macro): Likewise.
3681 (recognized_extern): Likewise.
3682 (write_rbrac): Likewise.
3683 * objc/objc-act.c (encode_aggregate): Likewise.
3684 (gen_declarator): Likewise.
3685 (gen_declspecs): Likewise.
3687 Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com)
3689 * haifa-sched.c (create_reg_dead_note): Detect and handle another
3690 case where we kill more regs after sched than were killed before
3692 * sched.c (create_reg_dead_note): Similarly.
3694 Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com)
3696 * c-pragma.c: Include flags.h.
3698 Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu>
3700 * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything
3701 about system headers.
3702 (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32
3703 and also to resolve symbols in prefix.c.
3705 * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict
3706 between gansidecl.h and newlib's _ansi.h when building libgcc2.a,
3707 when the definitions in auto-config.h is not visible.
3708 (HAVE_BZERO): Likewise.
3709 (HAVE_BCMP): Likewise.
3710 (HAVE_RINDEX): Likewise.
3711 (HAVE_INDEX): Likewise.
3713 Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com)
3715 * pa.c (emit_move_sequence): Handle a function label source
3718 Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com
3720 * c-pragma.c (handle_pragma_token): Generate warning messages
3721 about unknown pragmas if warn_unknown_pragmas is set.
3723 * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
3724 line option to set variable: warn_unknown_pragmas.
3726 Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de>
3728 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the
3730 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'.
3732 Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com)
3734 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define.
3735 (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to
3736 generate more fine grained floating point emulation libraries.
3737 * config/fp-bit.c: Add protecting #ifdef to all functions so
3738 that they can be compiled separately. If !FINE_GRAINED_LIBRARIES,
3739 then compile all suitable functions.
3740 (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two
3741 underscores to avoid namespace pollution.
3742 * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c
3744 * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
3748 Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3749 Jeff Law <law@cygnus.com>
3751 * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
3753 * c-decl.c (finish_decl): Use parentheses around && within ||.
3754 * rtl.c: Include stdlib.h.
3755 (read_skip_spaces): Add parentheses around assignments used as
3757 (read_rtx): Initialize list_rtx.
3758 * cppexp.c (parse_number): Use || when operands are truth values.
3759 * alias.c (find_base_value): Add default case.
3760 (memrefs_conflict): Likewise.
3761 * combine.c (sets_function_arg_p): Likewise.
3762 * genemit.c (gen_exp): Likewise.
3763 * local-alloc.c (contains_replace_regs): Likewise.
3764 * rtlanal.c (jmp_uses_reg_or_mem): Likewise.
3765 * fold-const.c (fold_convert): Use "&&" for truth values.
3766 (fold): Add default case.
3767 * sdbout.c (sdbout_field_types): Fix typo in declaration.
3768 (sdbout_one_type): Add default case.
3769 * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
3770 (some_operand): Add default case.
3771 (input_operand): Likewise.
3772 (signed_comparison_operator): Likewise.
3773 (divmod_operator): Likewise.
3774 (alpha_set_memflags_1): Likewise.
3775 * reload1.c (reload_cse_simplify_operands): Ensure function
3776 always returns a value.
3777 * scan-decls.c (scan_decls): Likewise.
3778 * c-lex.c (skip_white_space): Fix typo in declaraion.
3779 * c-typeck.c (comp_target_types): Add parentheses around assignment
3780 used as truth value.
3781 (print_spelling): Likewise.
3782 (constructor_implicit, constructor_result): Remove unused variables.
3783 * collect2.c (scan_library): Protect prototype with
3784 #ifdef SCAN_LIBRARIES.
3785 * emit-rtl.c (find_line_note): Fix typo in declaration.
3786 * final.c (asm_insn_count): Protect prototype with
3787 #ifdef HAVE_ATTR_length.
3788 * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
3789 (try_pre_increment_1, try_pre_increment): Likewise.
3790 * regclass.c (auto_inc_dec_reg_p): Protect prototype with
3791 #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit.
3792 * gcov-io.h (__store_long, __write_long, __read_long): Fix
3793 unsigned/signed comparisons.
3794 * gcov.c (read_files): Remove unused "first_type" variable.
3795 (scan _for_source_files): Initialize s_ptr.
3796 (function_summary): Eliminate "%lf" formatting, use %ld for
3798 (output_data): Initialize branch_probs and last_line_num.
3799 Eliminate "%lf" formatting, use "%ld" for longs.
3801 Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com>
3803 * mips16.S: New file.
3805 * libgcc2.c (varargs): Handle mips16.
3807 * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
3809 * stmt.c (expand_end_case): Likewise.
3810 * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
3811 * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
3812 * rs6000.h, sh.h, tahoe.h, v850.h, vax.h: Likewise.
3814 Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3816 * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in
3817 the build directory.
3818 (libobjc.a): Update dependency list.
3819 (libobjc.dll): Likewise. Use libobjc_entry.o from the build
3821 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h.
3822 (objc.mostlyclean): Remove runtime-info.h.
3824 Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com>
3826 * tree.c (build_range_type): Allow creation of ranges with no maximum.
3827 * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE.
3828 * dwarf2out.c (add_subscript_info): Likewise.
3829 * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise.
3830 * sdbout.c (plain_type_1): Likewise.
3831 * stmt.c (pushcase_range, all_cases_count, node_has_high_bound):
3833 * fold-const.c (int_const_binop, fold_convert, make_range, fold):
3836 Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3838 * mips.c (fatal): Remove declaration.
3840 1997-12-18 Mark Mitchell <mmitchell@usa.net>
3842 * integrate.c (get_label_from_map): New function.
3843 (expand_inline_function): Use it. Initialize the label_map to
3844 NULL_RTX instead of gen_label_rtx.
3845 (copy_rtx_and_substitute): Use get_label_from_map.
3846 * integrate.h (get_label_from_map): New function.
3847 (set_label_from_map): New macro.
3848 * unroll.c (unroll_loop): Use them.
3849 (copy_loop_body): Ditto.
3851 Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com>
3853 * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined.
3854 (INIT_TARGET_OPTABS): Define.
3855 * mips/ecoff.h: Include gofast.h before mips.h.
3856 (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS.
3857 * mips/elf64.h: Likewise.
3858 * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define.
3860 Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com>
3862 * except.c: Remove register_exception_table{,_p}.
3864 Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com>
3866 * unroll.c (calculate_giv_inc): Handle constant increment found in
3867 a MEM with an appropriate REG_EQUAL note.
3869 * calls.c (expand_call): Implement LOAD_ARGS_REVERSED.
3871 * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the
3872 frame pointer in the prologue.
3874 Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com>
3876 * i386/x-sco5 (CLIB) Deleted. (ALLOCA) Added.
3877 * i386/xm-sco5.h (USE_C_ALLOCA) Added.
3879 Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com>
3881 * config/m68k/m68k.c (output_function_prologue): Typecast
3882 dwarf2out_cfi_label to (char *).
3883 * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "".
3885 Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com>
3887 * sparc.md (jump): Don't use the annul bit around an empty loop.
3888 Patch from Kevin.Kelly@East.Sun.COM.
3890 Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com)
3892 * jump.c: (jump_optimize): Don't use the return register as a
3893 source1 of a conditional move.
3895 Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com>
3897 * sparc.c (DF_MODES): Or the mask not the bit number.
3898 (function_arg) [ARCH64]: Send unprototyped arg to fp reg first.
3900 Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
3902 * combine.c (force_to_mode): return immediately if operand is a CLOBBER.
3904 Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de>
3906 * fixincludes (size_t): Add support for Motorola's stdlib.h
3907 which fails to provide a definition for size_t.
3908 (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3.
3909 (strlen,strspn,strcspn return value): Handle different layout on sysV88.
3910 (hypot): Provide a fake for hypot for m88k-motorola-sysv3.
3912 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
3913 prevent unresolved externals in libio.
3914 * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise.
3916 Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org)
3918 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
3919 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
3920 (LIB_SPEC): Updated for glibc 2.
3922 Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com)
3924 * ginclude/stdarg.h: Undo BeOS changes, they break hpux.
3925 * ginclude/varargs.h: Likewise.
3927 Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com)
3929 * version.c: Bump for snapshot.
3931 Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org)
3933 * frame.h (__register_frame, __register_frame_table,
3934 __deregister_frame): New.
3935 * frame.c (__register_frame, __register_frame_table,
3936 __deregister_frame): New.
3937 * frame.c (__deregister_frame_info): Return void *.
3938 * frame.h (__deregister_frame_info): Ditto.
3939 * collect2.c (__deregister_frame_info): Ditto.
3941 Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com>
3943 * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG.
3945 Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com>
3947 * alpha.c (alpha_cpu_name): New variable.
3948 (alpha_mlat_string): Likewise.
3949 (alpha_memory_latency): Likewise.
3950 (override_options): Handle -mmemory-latency.
3951 (alpha_adjust_cost): Adjust load cost for latency.
3952 * alpha.h (TARGET_OPTIONS): Add meory-latency.
3953 (REGISTER_MOVE_COST): Define in terms of memory_latency. Take
3954 TARGET_CIX into account.
3955 (MEMORY_MOVE_COST): Define in terms of memory_latency.
3956 * invoke.texi (DEC Alpha Options): Document -mmemory-latency.
3958 * alpha.h (ASM_COMMENT_START): New macro.
3960 Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com>
3962 * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c,
3963 dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change.
3965 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
3966 SUBREG_REG if the word count is unchanged.
3967 * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve
3968 subregs of identical word size for push_reload.
3970 Mon Dec 15 Mark Mitchell <mmitchell@usa.net> 11:41:32 1997
3972 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
3973 if all we're doing is dealing with -Wreturn-type.
3975 Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com>
3977 * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2):
3978 Use and 255 instead of zapnot 1, since it schedules better.
3980 Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com)
3982 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
3985 Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com)
3987 * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on
3988 dependency we delete. Properly update prev for multiple consecutive
3990 (priority): Skip deleted dependence.
3992 Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com>
3994 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod.
3996 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
3998 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
3999 determining when a new basic block starts.
4001 * alpha/osf2or3.h (LIB_SPEC): Restore missing defn.
4003 * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS.
4004 * pa.md (iorsi3): Add missing args to *_operand calls.
4006 * except.c (call_get_eh_context): Don't mess with sequences.
4007 (emit_eh_context): Include the call in the sequence here.
4009 1997-12-11 Paul Eggert <eggert@twinsun.com>
4011 * collect2.c (write_c_file_glob): Allocate initial frame object
4012 in static storage and pass its address.
4014 Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com>
4016 * except.c (call_get_eh_context): Don't take a parm.
4017 Put the call at the top of the function.
4018 (emit_eh_context): Adjust.
4019 (get_eh_context): Replace with former use_eh_context.
4020 (get_eh_context_once, get_saved_pc_ref): Remove.
4021 (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove.
4023 * integrate.c (expand_inline_function): Adjust.
4024 * toplev.c (rest_of_compilation): Don't call emit_unwinder.
4026 Fri Oct 10 17:58:31 CEST 1997 Marc Lehmann <pcg@goof.com>
4028 * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define.
4029 (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise.
4031 Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de>
4033 * fixincludes (strlen,strspn,strcspn return value): Handle different
4035 (hypot): Provide a fake for hypot which is broken on
4036 m88k-motorola-sysv3.
4038 Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu>
4040 * tree.c, tree.h: Change tree_code_type, tree_code_length, and
4041 tree_code_name from pointers to arrays.
4042 * tree.c: Remove standard_tree_code_* variables, no longer used.
4043 * print-tree.c: Remove declaration of tree_code_name.
4045 * cp/lex.c (init_lex): Update for tree_code_* changes.
4046 * objc/objc-act.c (init_objc): Likewise.
4048 * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code
4051 Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com>
4053 * config.sub: Add support for BeOS target.
4054 * configure.in: Likewise.
4055 * ginclude/stdarg.h: Likewise.
4056 * ginclude/stddef.h: Likewise.
4057 * ginclude/varargs.h: Likewise.
4058 * rs6000/beos.h: New file for BeOS.
4059 * rs6000/t-beos: Likewise.
4060 * rs6000/x-beos: Likewise.
4061 * rs6000/xm-beos.h: Likewise.
4062 * toplev.c (get_run_time): Just return 0 on BeOS.
4064 Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com)
4065 Toon Moene (toon@moene.indiv.nluug.nl)
4067 * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly
4068 old and broken Sun3 assemblers. Newer versions handle large
4069 offsets correctly as does the GNU assembler.
4071 Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4073 * objc/objc-act.c (lang_report_error_function): Disable.
4074 * objc/objc-parse.y: Include "output.h".
4075 (yyerror): Remove redundant decl.
4076 (yyprint): Fix prototype.
4077 (apply_args_register_offset): Remove redundant decl.
4078 (get_file_function_name): Likewise.
4080 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
4082 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
4084 (find_basic_blocks_1): Likewise.
4086 Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com>
4088 * except.c (use_eh_context): Don't copy_rtx a REG.
4089 (emit_throw): Lose old unwinder support.
4090 (expand_internal_throw): Likewise.
4091 * libgcc2.c (struct eh_context): Likewise.
4092 (new_eh_context): Likewise.
4093 (__get_eh_info): Lose redundant cast.
4094 (__get_dynamic_handler_chain): Likewise.
4095 (__get_saved_pc): Lose.
4096 Lose all old unwinder support code.
4098 Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com>
4100 Thread-safe EH support for pthreads, DCE threads and Solaris threads.
4102 * integrate.c (expand_inline_function): If the inline fn uses eh
4103 context, make sure that the current fn has one.
4104 * toplev.c (rest_of_compilation): Call emit_eh_context.
4105 * except.c (use_eh_context): New fn.
4106 (get_eh_context_once): New fn.
4107 (call_get_eh_context): New fn.
4108 (emit_eh_context): New fn.
4109 (get_eh_context): Call either get_eh_context_once or
4110 call_get_eh_context, depending on what we have.
4111 (get_dynamic_handler_chain): Call get_eh_context_once.
4112 * except.h: Prototypes for fns above.
4113 * optabs.c (get_eh_context_libfunc): Removed.
4114 (init_optabs): Don't initialize it.
4115 * expr.h (get_eh_context_libfunc): Removed.
4116 * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
4117 * config/pa/pa.h (CPP_SPEC): Support for -threads.
4118 * config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
4119 * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
4120 New multilib for -threads.
4121 * config/sparc/t-sol2: Added multilibs for -threads and
4122 made -pthreads alias to it.
4123 * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
4124 Added -threads and -pthreads options.
4125 * libgcc-thr.h: New file.
4126 * libgcc2.c: (__get_cpp_eh_context): Removed.
4127 (struct cpp_eh_context): Removed.
4128 (struct eh_context): Replaced cpp_eh_context with generic language
4130 (__get_eh_info): New function.
4131 (__throw): Check eh_context::info.
4133 * libgcc2.c: Include libgcc-thr.h.
4134 (new_eh_context, __get_eh_context,
4135 eh_pthread_initialize, eh_context_initialize, eh_context_static,
4136 eh_context_specific, eh_context_free): New functions.
4137 (get_eh_context, eh_context_key): New variables.
4138 (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
4139 get_eh_context to get the context.
4140 (longjmp): Move the declaration inside
4141 #ifdef DONT_USE_BUILTIN_SETJMP.
4142 * frame.c: Include libgcc-thr.h.
4143 (object_mutex): Mutex to protect the object list.
4144 (find_fde, __register_frame, __register_frame_table,
4145 __deregister_frame): Hold the lock while accessing objects.
4146 * except.h (get_eh_context): Declare.
4147 * except.c (current_function_ehc): Define.
4148 (current_function_dhc, current_function_dcc): Removed.
4149 (get_eh_context): New function.
4150 (get_dynamic_handler_chain): Use get_eh_context.
4151 (get_saved_pc_ref): Ditto.
4152 (get_dynamic_cleanup_chain): Removed references to
4153 current_function_dcc.
4154 (save_eh_status, restore_eh_status): Save and restore
4155 current_function_ehc instead.
4156 * optabs.c (get_eh_context_libfunc): New variable.
4157 (init_optabs): Initialize it.
4158 * expr.h: Declare get_eh_context_libfunc.
4159 * function.h (struct function): Replaced dhc and dcc with ehc.
4160 * except.c (get_saved_pc_ref): New functions.
4161 (eh_saved_pc_rtx, eh_saved_pc): Deleted.
4162 (expand_internal_throw_indirect): Use get_saved_pc_ref() instead
4164 (end_eh_unwinder): Likewise.
4165 (init_eh): Remove initialization of eh_saved_pc.
4166 * optabs.c (get_saved_pc_libfunc): New variable.
4167 (init_optabs): Initialize it.
4168 * expr.h: Declare get_saved_pc_libfunc.
4169 * except.h (eh_saved_pc_rtx): Deleted.
4170 (get_saved_pc_ref): Declared.
4172 From Scott Snyder <snyder@d0sgif.fnal.gov>:
4173 * libgcc2.c (__get_saved_pc): New.
4174 (__eh_type, __eh_pc): Deleted.
4175 (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
4176 (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
4179 Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu>
4181 * sparc/sol2.h: Use 64 bit multiply and divide functions in
4182 Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE
4185 * rtl.h (global_rtl): New variable, replacing separate variables for
4187 (const_int_rtx): Now array of rtx_def, not rtx.
4188 * emit-rtl.c: Update for new rtl data structures.
4189 * genattrtab.c: Define global_rtl.
4191 Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu>
4193 * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by
4196 Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com>
4198 * crtstuff.c (__do_global_ctors): Fix typo.
4200 Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de>
4202 * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
4203 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
4205 Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu>
4207 * rs6000.h (FUNCTION_ARG_PADDING): Define.
4208 * rs6000.c (function_arg_padding): New function.
4210 Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de>
4212 * m68k.c: Include tree.h only once.
4214 Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4216 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
4218 Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com)
4220 * Partially cleaned up prototyping code from HJ.
4221 * tree.h: Add many prototypes.
4222 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
4223 All references changed.
4224 * rtl.h: Protect from multiple inclusions. Add many prototypes.
4226 Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com>
4228 * libgcc2.c (string.h): Hoist inclusion to occur before first use of
4229 string functions like strlen.
4231 Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de>
4233 * configure.in: Check for functions getrlimit and setrlimit.
4234 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
4235 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
4237 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
4239 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
4241 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
4243 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
4246 * alpha.c (override_options): Don't know about scheduling for EV6.
4247 * alpha.md (ev5 function units): Don't overload as ev6.
4249 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
4250 * alpha.md (define_attr type): Add mvi.
4251 (ev5_e0): Define sceduling parameters for it.
4252 (TARGET_MAX insns): Type is mvi not shift.
4254 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
4256 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
4258 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4260 * cstamp-h, auto-config.h: Delete.
4262 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
4264 * version.c: Bump for snapshot.
4266 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
4268 * cccp.c: Fix typo brought over in merge.
4270 * Merge in changes from gcc-2.8.
4272 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
4274 * m68k.c: Include tree.h for dwarf2out_cfi_label.
4276 * gcc.c (process_command): Do not take address of function fatal when
4277 calling lang_specific_driver.
4279 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
4281 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
4282 doesn't work with it yet, so set it to 0.
4283 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
4285 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
4287 * cse.c (cse_insn): Check for invalid entries when taking references.
4289 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4291 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
4292 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
4293 * toplev.c (rest_of_compilation): Pass it. Remove code to
4294 save / clear / restore flag_unroll_{,all_}loops.
4296 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
4298 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
4300 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
4302 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
4304 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
4306 * except.c (get_dynamic_handler_chain): Only make the call once per
4309 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
4311 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4313 * sh.c (final_prescan_insn): Use local label prefix
4314 when emitting .uses pseudo-ops.
4316 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
4318 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
4319 * except.c: Lose outer_context_label_stack.
4320 (expand_eh_region_end): Rethrow from outer_context here.
4321 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
4322 (expand_internal_throw): Take no args.
4323 (expand_internal_throw_indirect): Lose.
4324 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
4325 (expand_start_all_catch): Start a rethrow region.
4326 (expand_end_all_catch): End it.
4327 (expand_rethrow): New fn.
4328 * except.h: Reflect above changes.
4329 * flow.c: Revert change of Nov 27.
4331 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
4333 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
4335 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
4337 * except.c (expand_fixup_region_end): New fn.
4338 (expand_fixup_region_start): Likewise.
4339 (expand_eh_region_start_tree): Store cleanup into finalization here.
4340 * stmt.c (expand_cleanups): Use them to protect fixups.
4342 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
4344 * mips/mips.md (muldi3_r4000): Broaden the output template
4345 and attribute assignments to handle three operand dmult;
4346 rename to muldi3_internal2.
4347 (muldi3): Call the new muldi3_internal2 for R4000, and
4348 any GENERATE_MULT3 chip.
4350 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
4352 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
4354 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
4356 * unroll.c (find_splittable_givs): Remove last change. Handle givs
4357 with a dest_reg that was created by loop.
4359 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
4361 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
4363 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
4365 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
4367 * configure.in: Fix NCR entries.
4369 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
4371 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
4372 nested exceptions correctly.
4374 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
4375 that was created by loop.
4377 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
4379 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
4381 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
4383 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
4385 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
4386 (print_operand): Use SMALL_DATA_REG for the register involved in
4387 small data relocations.
4388 (print_operand_address): Ditto.
4390 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
4391 -dynamic linker is not used.
4393 * rs6000.md (call insns): For local calls, use @local suffix under
4394 System V. Don't use @plt under Solaris.
4396 * rs6000.c (output_function_profiler): Put label address in r0, and
4397 store LR in 4(sp) for System V/eabi.
4399 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
4400 byte boundary, and maintain stack backchain.
4402 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
4404 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
4405 fix_truncsfdi2): Change *.
4407 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
4409 * toplev.c (main): Complain about -gdwarfn.
4411 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
4413 * dwarfout.c (output_type): If finalizing, write out nested types
4414 of types we've already written.
4416 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
4418 (patches originally from Geoffrey Keating)
4419 * rs6000.c (function_arg): Excess floating point arguments don't
4420 go into GPR registers after exhausting FP registers under the
4422 (function_arg_partial_nregs): Ditto.
4424 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
4427 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
4429 * integrate.c (output_inline_function): Just unset DECL_INLINE.
4431 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
4433 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
4436 * libgcc2.c (__throw): Initialize HANDLER.
4438 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
4440 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
4441 fix_truncsfdi2): Change *X to ?*X.
4443 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
4445 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
4447 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
4449 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
4451 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
4453 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
4455 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
4457 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
4458 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
4461 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
4463 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
4464 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
4465 gas and not using the new HP assembler.
4467 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
4469 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
4470 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
4472 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
4474 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
4475 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
4478 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
4480 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
4482 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
4484 * except.h: Add outer_context_label_stack.
4485 * except.c: Likewise.
4486 (expand_start_all_catch): Push the outer_context for the try block
4487 onto outer_context_label_stack.
4488 (expand_end_all_catch): Use it and pop it.
4490 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
4492 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
4494 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
4496 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
4498 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
4500 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
4501 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
4503 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
4505 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
4506 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
4507 __builtin_delete, and __builtin_vec_delete.
4509 * except.c (output_exception_table): Don't bother with
4512 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
4514 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
4515 is an in/out operand.
4516 (zero extended variants of stwm/stwm patterns): Similarly.
4518 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
4520 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
4522 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
4524 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
4525 (output_call_frame_info): Emit a \n after using it.
4527 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
4529 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
4531 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
4533 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
4534 (ASM_OUTPUT_DWARF_VALUE4): New macro.
4535 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
4537 (output_call_frame_info): Do not output forward label differences
4538 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
4539 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
4541 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4543 * sh.md (attribute "type"): Add nil.
4544 (movsi_ie): y/y alternative is type nil.
4545 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
4547 (movsf_ie+1): Delete.
4549 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
4551 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
4552 large_int, emit two insns instead of one splitable insn.
4553 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
4554 from cfa_temp_value, use cfa_offset. Add assert checking that
4557 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
4559 * cccp.c (deps_output): Properly quote file names for make.
4561 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
4563 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
4565 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
4567 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
4569 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
4571 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
4573 (cse_end_of_basic_block): Similarly.
4575 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
4577 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
4578 (SELECT_RTX_SECTION): Define.
4579 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
4581 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
4583 * Makefile.in (compare, compare-lean): Define $stage for each
4585 (gnucompare, gnucompare-lean): Likewise.
4587 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
4589 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
4591 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
4592 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
4594 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
4596 * dwarfout.c (byte_size_attribute): Add local var upper_bound
4597 and add case to handle STRING_TYPE.
4598 * dwarfout.c (output_string_type_die): Fix code to generate
4599 correct string length attribute for fixed length strings.
4600 Still needs support for varying length strings.
4602 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
4604 * toplev.c (get_run_time): Do something sensible for cygwin32.
4606 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
4608 * expr.c (expand_builtin_setjmp): Set
4609 current_function_has_nonlocal_label.
4610 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
4611 call-saved registers across calls.
4613 * alpha.md (exception_receiver): Remove.
4614 (nonlocal_goto_receiver_osf): New
4615 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
4616 (nonlocal_goto_receiver): New, select _osf or _vms.
4618 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
4619 keep them from being propogated to the object file.
4620 (alpha_write_linkage): Likewise.
4621 * alpha.md (call_vms): Likewise.
4622 (call_value_vms): Likewise.
4623 (unnamed osf call insns): Likewise.
4625 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
4626 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
4628 * alpha.c (call_operand): Any reg is valid for WinNT.
4629 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
4630 (anon nt calls): Add 'R' alternative.
4631 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
4632 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
4634 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
4636 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
4638 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
4639 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
4640 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
4642 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
4644 * reload1.c (new_spill_reg): Improve fixed or forbidden register
4645 spill error message.
4647 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4649 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
4650 use varargs.h. Wrap header with <>, not "".
4652 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
4654 * integrate.c (save_for_inline_copying): Add return value from
4657 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
4659 * fixincludes: Be a little more restrictive on what we will
4660 substitute to replace definitions of MAXINT for HPUX.
4662 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
4664 * dbxout.c (dbxout_symbol_location): Don't assume that variables
4665 whose address is the stack or argument pointers are indirect
4668 1997-11-13 Paul Eggert <eggert@twinsun.com>
4670 * cccp.c, cpplib.c (compare_defs):
4671 Don't complain about arg name respellings unless pedantic.
4672 * cpplib.c (compare_defs): Accept pfile as new arg.
4673 All callers changed.
4675 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4677 * fold-const.c (fold_truthop): Fix bug in last change.
4679 1997-11-13 Paul Eggert <eggert@twinsun.com>
4681 Fix some confusion with IEEE minus zero.
4683 * real.h (REAL_VALUES_IDENTICAL): New macro.
4685 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
4686 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
4688 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
4689 same tree structure as 0.0.
4691 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
4692 macro instead of doing it by hand.
4694 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
4696 * v850/lib1funcs.asm: Minor whitespace changes.
4697 * v850.c: Fix minor formatting problems in many places.
4698 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
4700 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
4702 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
4703 xplus1 when xplus0 is not a register.
4705 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
4707 * flow.c (find_basic_blocks): During marking phase, if we encounter
4708 an insn with a REG_LABEL note, make the target block live and
4709 create an edge from the insn to the target block. Do not make
4710 edges from all blocks to the target block.
4712 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
4714 * confiugre.in: Tweak NCR entries.
4715 * configure: Rebuilt.
4717 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
4719 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
4720 pick apart floating point values, instead of using CONST_DOUBLE_LOW
4721 and CONST_DOUBLE_HIGH.
4723 * rs6000.md (define_splits for DF constants): Use the appropriate
4724 REAL_VALUE_* interface to pick apart DF floating point constants in
4725 a machine independent fashion.
4727 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4729 * fold-const.c (fold_truthop): When changing a one-bit comparison
4730 against zero into a comparison against mask, do a proper sign
4733 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
4735 * except.c: Do not include "assert.h".
4736 (save_eh_status): Turn asserts into conditional aborts.
4737 (restore_eh_status, scan_region): Likewise.
4738 * dwarfout.c: Do not include "assert.h".
4739 (bit_offset_attribute): Turn asserts into conditional aborts.
4740 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
4741 (output_inlined_structure_type_die): Likewise.
4742 (output_inlined_union_type_die): Likewise
4743 (output_tagged_type_instantiation): Likewise.
4744 (dwarfout_file_scope_decl): Likewise.
4745 * dwarf2out.c: Do not include "assert.h"
4746 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
4747 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
4748 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
4749 (add_bit_size_attribute, scope_die_for): Likewise.
4750 (output_pending_types_for_scope): Likewise.
4751 (get_inlined_enumeration_type_die): Likewise.
4752 (get_inlined_structure_type_die): Likewise.
4753 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
4754 (gen_tagged_type_instantiation_die): Likewise.
4756 * flow.c (find_basic_blocks): Refine further to get a more correct
4757 cfg, especially in the presense of exception handling, computed
4758 gotos, and other non-trivial cases. Call abort if an inaccuracy
4759 is detected in the cfg.
4761 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4763 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
4765 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
4766 (skip_white_space): Use whitespace_cr.
4767 (check_newline): Handle whitespace more consistently.
4769 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
4771 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
4772 * i386/xm-cygwin32.h (POSIX): Define.
4774 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
4776 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
4777 is available elsewhere.
4779 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
4781 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
4782 what the instruction can handle.
4784 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
4786 * stmt.c (expand_decl_cleanup_no_eh): New fn.
4788 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
4790 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
4792 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
4793 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
4795 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
4797 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
4798 swap instruction order.
4800 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
4802 * fixinc.svr4 (__STDC__): Add another case.
4804 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4806 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
4807 addresses in the epilogue delay slot.
4809 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
4811 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
4812 in generated `specs' file.
4814 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
4816 * flags.h (flag_rerun_loop_opt): Declare.
4817 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
4818 * toplev.c (flag_rerum_loop_opt): Delete static.
4820 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4822 Bring over from FSF:
4824 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4826 * va-sh.h (__va_arg_sh1): Define.
4828 SH3E doesn't use any integer registers for subsequent arguments
4829 once a non-float value was passed in the stack.
4830 * sh.c (machine_dependent_reorg): If optimizing, put explicit
4831 alignment in front label for ADDR_DIFF_VEC.
4832 * sh.h (PASS_IN_REG_P): Fix SH3E case.
4833 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
4835 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4837 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
4840 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4842 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
4843 put an use_sfunc_addr before each sfunc.
4844 * sh.md (use_sfunc_addr, dummy_jump): New insns.
4845 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
4847 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4849 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
4851 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
4853 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
4856 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
4858 * alias.c (find_base_value): Only return the known base value for
4861 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
4863 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
4864 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
4866 (prologue_get_pc_and_set_got): New pattern.
4868 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
4870 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
4871 for SUBREG, just fall through.
4873 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
4875 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
4877 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
4879 * fixincludes: Fix "hypot" prototype in NeXT math.h.
4881 * Makefile.in (USE_ALLOCA): Always include alloca.o.
4882 (USE_HOST_ALLOCA): Likewise.
4884 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
4885 and LABEL_REFS fields.
4886 * rtl.h (LABEL_REFS): Update.
4888 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
4890 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
4891 sets i2dest. When calling distribute_notes for i3dest_killed, pass
4892 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
4895 * mips.md (insv, extzv, extv): Add change_address call.
4896 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
4898 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
4900 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
4902 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
4903 save_restore_insns if no FP and GP will be restored.
4905 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
4906 Convert CCmode to word_mode before calling GET_MODE_SIZE.
4908 * acconfig.h (HAVE_INTTYPES_H): Undef.
4909 * configure.in (inttypes.h): Check for conflicts between sys/types.h
4910 and inttypes.h, and verify that intmax_t is defined.
4911 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
4912 * config/mips/x-iris3: Likewise.
4914 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
4916 * alias.c (find_base_value): When copying arguments, return the
4917 tenative value for a hard register.
4919 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
4921 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
4922 (yylex): Record wide strings using target endianness, not host.
4924 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
4926 * mn10200.h (ASM_OUTPUT_BSS): Delete.
4927 (ASM_OUTPUT_ALIGNED_BSS): New macro
4928 * mn10300.h (ASM_OUTPUT_BSS): Delete.
4929 (ASM_OUTPUT_ALIGNED_BSS): New macro.
4930 * v850.h (ASM_OUTPUT_BSS): Delete.
4931 (ASM_OUTPUT_ALIGNED_BSS): New macro.
4933 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4935 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
4937 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
4939 * configure.in (sco5): Use cpio to install header files.
4941 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
4943 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
4945 * configure: Rebuild.
4947 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
4949 * i386/sco5.h: enable -gstabs once again.
4951 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
4953 * arm.c (output_move_double): Allocate 3 entries in otherops array.
4955 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
4957 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
4958 notes for sjlj exceptions too.
4959 (expand_eh_region_end): Similarly for EH_REGION_END notes.
4960 (exception_optimize): Optimize EH regions for sjlj exceptions too.
4961 * final.c (final_scan_insn): Don't output labels for EH REGION
4962 notes if doing sjlj exceptions.
4964 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
4966 * alias.c (init_alias_analysis): Handle -fno-alias-check when
4967 optimizing correctly.
4969 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
4970 or set current_function_calls_setjmp anymore.
4972 * flow.c (find_basic_blocks): If we delete the label for an
4973 exception handler, remove it from the EH label list and remove
4974 the EH_BEGIN/EH_END notes for that EH region.
4976 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
4978 * flow.c (find_basic_blocks): Generate correct flow control
4979 information when exception handling notes are present.
4981 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
4983 * dwarf2out.c (output_call_frame_info): Fix length argument
4984 to ASM_OUTPUT_ASCII.
4985 (output_die, output_pubnames, output_line_info): Likewise.
4987 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
4989 * version.c: Bump for snapshot.
4991 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
4992 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
4993 flag_debug_asm is on.
4994 (output_die, output_pubnames, output_line_info): Likewise.
4996 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
4997 and static_chain_rtx into the potential base values array if
5000 * alias.c (new_reg_base_value): New array of potential base values.
5001 (unique_id): Now file scoped static.
5002 (find_base_value, case REG): Return the value in reg_base_value
5003 array for the REG if it exists. Else, return the value from
5004 new_reg_base_value if copying args and REG is a hard register.
5005 (find_base_value, case PLUS): If either operand of the PLUS is
5006 a REG, try to get its base value. Handle base + index and
5008 (record_set): Use new_reg_base_value instead of reg_base_value.
5009 (init_alias_analysis): Allocate space for new_reg_base_value too.
5010 Rework code to iterate over the insns propagating base value
5011 information until nothing changes.
5013 * global.c (global_alloc): Free the conflict matrix after
5014 reload has finished.
5016 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
5018 * libgcc2.c (L_eh): Define __eh_pc.
5019 Replace __eh_type with generic pointer __eh_info.
5021 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
5023 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
5024 use copy_to_reg if address is not a general_operand.
5026 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5028 * profile.c (output_func_start_profiler): Clear flag_inline_functions
5029 for the duration of the call to rest_of_compilation.
5031 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
5033 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
5035 (sparc*-*-*): Recognize --with-cpu=v9.
5036 * sparc/elf.h: New file.
5037 * sparc/t-elf: New file.
5039 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
5041 * mn10300.c (const_8bit_operand): New function.
5042 (mask_ok_for_mem_btst): New funtion.
5043 * mn10300.md (btst patterns with mem operands): Use new functions
5044 to avoid creating btst instructions with invalid operands.
5046 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
5048 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
5049 are running on PowerPC Linux.
5051 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
5053 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
5054 if not previously defined.
5056 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
5058 * function.c (assign_parms): Correct mode of stack_parm if
5059 entry_parm underwent a mode conversion.
5061 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
5063 * global.c (global_alloc): Use xmalloc instead of alloca for
5064 CONFLICTS, since max_allocno * allocno_row_words alone can be more
5065 than 2.5Mb sometimes.
5067 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
5069 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
5070 DEST for the spill, adjust mode of SRC to compensate.
5072 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
5074 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
5075 since any_memory_operand() allows pseudos during reload.
5076 (reload_inhi, reload_outqi, reload_outhi): Likewise.
5078 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
5080 * m68k.md (btst patterns): Add 5200 support.
5082 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
5084 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
5085 optimizations, look inside dividend to determine if the expression
5086 can be simplified by using EXACT_DIV_EXPR.
5088 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
5091 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
5093 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
5095 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
5097 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
5099 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
5102 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
5104 * alpha.md (movqi, movhi): Make sure new insns created during reload
5105 won't need reloading themselves.
5106 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
5108 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
5110 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
5112 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
5114 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
5115 Patch from Klaus Kaempf <kkaempf@progis.de>.
5117 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
5119 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
5120 to an element in a constant string.
5122 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
5124 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
5125 bit PC-relative offset. The exception range table pointer is now in
5127 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
5128 (count_fdes, add_fdes, get_cie): Adjust.
5129 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
5132 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
5134 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
5136 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
5137 like stack_pointer_rtx.
5139 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
5141 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
5142 targets using "$@" to provide support for similar but not identical
5143 targets without having to duplicate code.
5144 (bootstrap4): New goal.
5146 * Makefile.in (compare, compare-lean, compare3): Combined to one
5147 ruleset determining actions to be performed via $@.
5148 (compare4, compare4-lean): New targets.
5149 (gnucompare, gnucompare3): Combined to one ruleset determining
5150 actions to be performed via $@. Also, note which files failed
5151 the comparison test in .bad_compare.
5152 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
5154 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
5156 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
5157 if the dividend is a multiple of the divisor.
5159 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
5161 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
5163 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
5166 * alias.c (true_dependence): Fix typo.
5168 * toplev.c (flag_rerun_loop_opt): New variable.
5169 (f_options): Handle -frerun-loop-opt.
5170 (rest_of_compilation): If -frerun-loop-opt, then run the loop
5172 (main): Enable -frerun-loop-opt by default for -O2 or greater.
5174 * loop.c (simplify_giv_expr): Adding two invariants results
5177 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
5179 * expr.c (get_inner_reference): Remove the array bias after
5180 converting the index to Pmode.
5182 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
5184 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
5185 (TARGET_MULT_BUG): Define.
5186 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
5187 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
5189 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
5191 * mn10200.c (indirect_memory_operand): Delete unused function.
5192 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
5193 * mn10200.md (bset, bclr insns): Handle output in a reg too.
5195 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
5197 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
5198 the callee's ldgp, we must do it ourselves, and we use the jsr tag
5199 for more than scheduling.
5201 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
5203 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
5205 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
5207 * mn10300.c (symbolic_operand, legitimize_address): New functions.
5208 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
5209 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
5211 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
5213 * version.c: Bump for snapshot.
5215 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5217 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
5220 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
5222 * toplev.c (flag_exceptions): Default value is 2.
5223 (compile_file): If flag_exceptions still has the value 2, then
5226 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
5227 (rs6000_save_machine_status): Save pic_offset_table_rtx.
5228 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
5230 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
5233 * rs6000.md (*movsi_got_internal_mem): New pattern.
5234 (*movsi_got_internal_mem splitter): New define_split.
5236 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
5238 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
5240 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
5242 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
5243 only need to save LR.
5245 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
5247 * mn10300.md (movqi, movhi): Avoid using address registers as
5248 destinations unless absolutely necessary.
5250 * mn10200.c (expand_prologue): Fix typo.
5252 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
5254 * mn10200.md (neghi2): Provide an alternative which works if
5255 the input and output register are the same.
5257 * mn10300.c (print_operand): Handle 'S'.
5258 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
5259 shift amount in last alternative
5261 * mn10300.c (expand_epilogue): Rework to handle register restores
5262 in "ret" and "retf" instructions correctly.
5264 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
5266 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
5267 extzv for memory operands.
5269 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
5270 redundant conditional moves to single operand.
5272 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
5274 * v850.h: Move define of __v850__ from CPP_PREDEFINES
5277 * xm-v850.h: Use __v850 rather than __v850__ to
5280 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
5282 * mips/mips.c (compute_frame_size): Not a leaf function if
5285 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
5287 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
5289 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
5291 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
5292 (DEFAULT_ARCH32_P): New macro.
5293 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
5294 (enum cmodel): Declare.
5295 (sparc_cmodel_string,sparc_cmodel): Declare.
5296 (SPARC_DEFAULT_CMODEL): Provide default.
5297 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
5298 (TARGET_FULLANY): Deleted.
5299 (TARGET_CM_MEDMID): New macro.
5300 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
5301 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
5302 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
5303 (CPP_SPEC): Rewrite.
5304 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
5305 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
5306 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
5307 (ASM_SPEC): Add %(asm_arch).
5308 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
5309 Rename asm_default to asm_cpu_default.
5310 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
5311 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
5312 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
5313 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
5314 (MASK_INT64,MASK_LONG64): Delete.
5315 (MASK_ARCH64): Renamed to MASK_64BIT.
5316 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
5317 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
5318 (TARGET_SWITCHES): Always provide 64 bit options.
5319 (ARCH64_SWITCHES): Delete.
5320 (TARGET_OPTIONS): New option -mcmodel=.
5321 (INT_TYPE_SIZE): Always 32.
5322 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
5323 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
5324 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
5325 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
5326 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
5328 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
5329 * sparc/linux.h: Likewise.
5330 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
5331 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
5332 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
5333 (SPARC_DEFAULT_CMODEL): Define.
5334 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
5335 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
5336 (LONG_DOUBLE_TYPE_SIZE): Define.
5337 (ASM_SPEC): Add %(asm_arch).
5338 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
5339 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
5340 (TARGET_CPU_DEFAULT): Add ultrasparc case.
5341 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
5342 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
5343 (SPARC_DEFAULT_CMODEL): Define.
5344 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
5345 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
5346 MASK_LONG64, MASK_MEDANY.
5347 (SPARC_DEFAULT_CMODEL): Define.
5348 (CPP_PREDEFINES): Delete.
5349 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
5350 (ASM_SPEC): Add %(asm_arch).
5351 (LONG_DOUBLE_TYPE_SIZE): Define.
5352 (DWARF2_DEBUGGING_INFO): Define.
5353 * sparc/splet.h (CPP_SPEC): Delete.
5354 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
5355 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
5356 (BLOCK_PROFILER): Likewise.
5357 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
5358 (sparc_override_options): Handle code model selection.
5359 (sparc_init_expanders): Renamed from sparc64_init_expanders.
5360 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
5361 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
5362 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
5363 (sethi_di_fullany): Delete.
5365 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
5366 Jeff Law <law@cygnus.com>
5367 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5369 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
5370 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
5371 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
5372 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
5373 * alpha/alpha.md (arg_home): Likewise.
5375 * alpha/alpha.c (vmskrunch): Delete
5376 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
5377 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
5378 truncate to 64 characters.
5380 * make-l2.com: Support openVMS/Alpha.
5382 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
5384 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5386 * longlong.h (count_leading_zeros): Add missing casts to USItype.
5388 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
5390 * i386/bsd386.h (ASM_COMMENT_START): Define.
5392 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
5394 * tree.c (restore_tree_status): Also free up temporary storage
5395 when we finish a toplevel function.
5396 (dump_tree_statistics): Print stats for backend obstacks.
5398 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
5400 * expr.c (use_group_regs): Don't call use_reg for MEMs.
5402 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
5404 * libgcc2.c (__throw): Don't copy the return address.
5405 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
5407 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
5408 * toplev.c (main): Initialize exceptions_via_longjmp.
5410 * tree.c: Add extra_inline_obstacks.
5411 (save_tree_status): Use it.
5412 (restore_tree_status): If this is a toplevel inline obstack and we
5413 didn't want to save anything on it, recycle it.
5414 (print_inline_obstack_statistics): New fn.
5415 * function.c (pop_function_context_from): Pass context to
5416 restore_tree_status.
5417 * obstack.h (obstack_empty_p): New macro.
5419 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
5421 * i386/freebsd.h (ASM_COMMENT_START): Fix.
5423 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
5425 * v850.c (ep_memory_offset): New function.
5426 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
5428 * v850.h (CONST_OK_FOR_*): Add and correct comments.
5429 (CONSTANT_ADDRESS_P): Add comment.
5430 (EXTRA_CONSTRAINT): Define 'U'.
5431 * v850.md: Add comments on bit field instructions.
5432 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
5433 (lshrsi3): Use N not J constraint.
5435 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
5437 * v850.c (reg_or_0_operand): Call register_operand.
5438 (reg_or_int5_operand): Likewise.
5439 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
5440 (TARGET_SWITCHES): Add "big-switch".
5441 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
5442 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
5443 (CASE_DROPS_THROUGH): Comment out.
5444 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
5445 * v850.md (cmpsi): Delete compare mode.
5446 (casesi): New pattern.
5448 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
5449 * v850.md (ashlsi3): Use SImode not QImode for shift count.
5450 (lshrsi3): Likewise.
5452 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
5453 unreachable switch statement after 'b' support. Remove "b" from
5454 strings for 'b' support.
5455 * v850.md (branch_normal, branch_invert): Change %b to b%b.
5457 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
5459 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
5460 empty line if @inhibit_libc@ is empty.
5462 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
5464 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
5465 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
5466 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
5467 (DWARF2_UNWIND_INFO): Let this track object file format.
5468 (EXTRA_SECTIONS): Add in_eh.
5469 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
5470 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
5472 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
5474 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
5475 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
5477 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
5478 (output_double_int): Output DI mode values correctly when
5479 HOST_BITS_PER_WIDE_INT is 64.
5480 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
5481 fmovd so it works if a quad float ends up in one of the upper 32
5483 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
5484 necessary for PIC support on sparc64.
5486 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
5488 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
5489 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
5490 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
5491 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
5492 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
5493 (SPARC_FP_ARG_FIRST): New macro.
5494 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
5495 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
5496 (NPARM_REGS): There are 32 fp argument registers now.
5497 (FUNCTION_ARG_REGNO_P): Likewise.
5498 (FIRST_PARM_OFFSET): Update to new v9 abi.
5499 (REG_PARM_STACK_SPACE): Define for arch64.
5500 (enum sparc_arg_class): Delete.
5501 (sparc_arg_count,sparc_n_named_args): Delete.
5502 (struct sparc_args): Redefine and use for arch32 as well as arch64.
5503 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
5504 (FUNCTION_ARG_ADVANCE): Rewrite.
5505 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
5506 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
5507 (FUNCTION_ARG_CALLEE_COPIES): Delete.
5508 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
5509 (STRICT_ARGUMENT_NAMING): Define.
5510 (doublemove_string): Declare.
5511 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
5512 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
5513 (doublemove_string): New function.
5514 (output_move_quad): Clean up some of the arch64 support.
5515 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
5516 Don't add 8 bytes of reserved space if arch64.
5517 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
5518 (init_cumulative_args): New function.
5519 (function_arg_slotno): New static function.
5520 (function_arg,function_arg_partial_nregs): New functions.
5521 (function_arg_{pass_by_reference,advance}): New functions.
5522 (function_arg_padding): New function.
5523 * ginclude/va-sparc.h: Rewrite v9 support.
5525 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
5527 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
5528 for hard regs to determine base and index registers.
5530 * reload.c (debug_reload_to_stream): New function. Specify stream
5531 into which to write debug info.
5532 (debug_reload): Modify to call debug_reload_to_stream with stderr.
5534 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
5536 * combine.c (can_combine_p): Don't combine with an asm whose
5537 output is a hard register.
5539 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
5541 * c-decl.c (start_struct): Ensure that structs with forward
5542 declarations are in fact packed when -fpack-struct is given.
5544 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
5545 we are packing a structure. This allows a structure with only
5546 bytes to be aligned on a byte boundary and have no padding on a
5549 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5551 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
5553 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
5555 * alpha.c (alpha_return_addr_rtx): New variable.
5556 (alpha_save_machine_status): New; save it.
5557 (alpha_restore_machine_status): New; restore it.
5558 (alpha_init_expanders): New; clear it.
5559 (alpha_return_addr): New; set it.
5560 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
5561 is overly conservative, so search the insns explicitly.
5562 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
5563 (alpha_sa_size [VMS && !VMS]): Likewise.
5564 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
5565 (INIT_EXPANDERS): New definition.
5567 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
5568 (output_prolog [!VMS]): Use them.
5570 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
5571 (alpha_does_function_need_gp): ... a new function. Refine the
5572 CALL_INSN test to just TYPE_JSR.
5573 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
5575 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
5577 * version.c: Bump for snapshot.
5579 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5581 * pa.c (move_operand): Respect -mdisable-indexing.
5582 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
5584 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
5586 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
5588 (umulsidi3,umulsi3_highpart): Ditto.
5589 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
5591 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
5593 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
5594 (alpha_handle_trap_shadows): ... a new function. Handle the entire
5595 function in one go. Emit RTL for trapb, instead of printf directly.
5596 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
5597 (trap_pending): Kill global variable.
5598 (output_epilog): Don't call final_prescan_insn.
5599 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
5600 * alpha.h (FINAL_PRESCAN_INSN): Remove.
5601 (MACHINE_DEPENENT_REORG): Define.
5602 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
5605 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
5607 Tune Haifa scheduler for Alpha:
5608 * alpha.h (ISSUE_RATE): Define.
5609 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
5610 EV4 adjustments to EV5.
5611 * alpha.md: Remove all scaling from function unit delays. Rework
5612 EV5 function units to match the CPU.
5613 (umuldi3_highpart): EV5 added the IMULH insn class.
5615 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
5617 * pa.c (following_call): Fail if the CALL_INSN is an indirect
5620 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
5622 * cplus-dem.c (demangle_signature): Don't look for return types on
5623 constructors. Handle member template constructors.
5625 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
5627 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
5628 * tree.h: Declare them.
5630 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
5632 * configure.in: Handle --with-newlib.
5633 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
5635 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
5637 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
5639 * config/ptx4.h: Fix typo.
5641 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
5643 * version.c: Bump for snapshot.
5645 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
5647 * aclocal.m4: Substitute INSTALL.
5648 * configure: Re-built.
5650 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
5652 * integrate.c (save_for_inline_copying): Avoid undefined pointer
5654 (expand_inline_function): Likewise.
5656 * dwarf2out.c (output_call_frame_info): Reinstate last change
5657 using flag_debug_asm check instead of flag_verbose_asm.
5659 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
5661 * dwarf2out.c (output_call_frame_info): Remove last change.
5663 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5665 * frame.c (__frame_state_for): Execute the FDE insns until the
5666 current pc value is strictly bigger than the target pc value.
5668 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
5670 * regclass.c (init_reg_modes): If we can't find a mode for the
5671 register, use the previous one.
5673 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
5675 * haifa-sched.c (print_block_visualization): Call fprintf directly,
5676 don't sprintf through an alloca'ed buffer.
5678 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
5680 * reload.c (decompose): Always initialize val.base.
5682 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
5684 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
5685 instead of aborting.
5686 * dwarf2out.c (output_call_frame_info): Call app_enable and
5687 app_disable to let GNU as accept the generated comments.
5689 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
5691 * tree.h (get_file_function_name): Add declaration.
5692 * dwarf2out.c (output_call_frame_info): No need to cast
5693 get_file_function_name call anymore.
5694 * profile.c (toplevel): Remove get_file_function_name
5696 * c-lang.c (finish_file): Ditto.
5698 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
5700 * Makefile.in (program_transform_name): Let autoconf substitute
5703 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
5705 * haifa-sched.c (schedule_block): If the first real insn in a
5706 block has any special notes attached to it, remove them.
5708 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
5710 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
5712 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
5714 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
5716 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
5718 * Makefile.in (check-g77): New test target.
5719 (CHECK-TARGETS): Add check-g77.
5721 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
5723 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
5725 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
5727 * flow.c (print_rtl_with_bb): Cast alloca return value for
5730 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
5732 * i386.h (RETURN_ADDR_RTX): New definition that works for
5733 __builtin_return_address(0) and -fomit-frame-pointer.
5735 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
5737 Bring over from FSF.
5738 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
5740 * mips.c (function_arg): Handle passing a struct
5741 containing a double in a DFmode register without the PARALLEL.
5743 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
5745 * pexecute.c: Use spawn if __CYGWIN32__.
5747 * pexecute.c: Include "config.h" first, as per autoconf manual
5748 (from Paul Eggert <eggert@twinsun.com>).
5750 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
5752 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
5753 optimisation for f/expr.o and f/stb.o.
5755 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
5757 * cse.c (this_insn_cc0_mode): Initialize.
5759 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
5761 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
5763 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
5765 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
5767 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
5768 that pair will dual-issue on the 21164 and plus+beq won't.
5769 (bne): Likewise for cmpeq+beq.
5771 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
5773 * except.c (find_exception_handler_labels): Correct argument to free.
5775 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
5777 * except.c (find_exception_handler_labels): Free LABELS when we're
5780 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
5782 * version.c: Bump for snapshot.
5784 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
5786 * flow.c (find_basic_blocks): Mark calls as potentially jumping
5789 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
5791 * configure.in: Substitute for "install" too.
5792 * configure: Rebuilt.
5794 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
5796 * Makefile.in (bootstrap-lean, compare-lean): New targets.
5798 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
5800 * alias.c (base_alias_check): Two symbols can conflict if they
5801 are accessed via AND.
5802 (memrefs_conflict_p): Likewise.
5804 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
5805 after flushing argument registers to the stack.
5807 * Makefile.in (mostlyclean): Remove .regmove files.
5809 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
5811 * libgcc2.c (__throw): Fix thinko.
5813 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
5815 * cplus-dem.c (demangle_template): Add new parameter. Handle new
5816 template-function mangling.
5817 (consume_count_with_underscores): New function.
5818 (demangle_signature): Handle new name-mangling scheme.
5820 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
5822 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
5825 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
5827 * frame.c: Remove last change.
5828 * dwarf2.h: Remove last change.
5829 * tree.h: Add declarations of DWARF2 unwind info support
5832 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
5834 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
5835 * tree.h (built_in_function): Likewise.
5836 * expr.c (expand_builtin): Likewise.
5837 * except.h: Likewise.
5838 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
5839 * libgcc2.c (copy_reg): New fn.
5842 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
5844 * c-typeck.c (build_binary_op): Warn about comparing signed vs
5845 unsigned if -W is specified and -Wno-sign-compare is not.
5846 * c-decl.c (warn_sign_compare): Initialize to -1.
5847 (c_decode_option): -Wall no longer implies -Wsign-compare.
5849 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5851 * frame.c: Include gansidecl.h for PROTO.
5852 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
5853 defined. Don't declare dwarf2out_cfi_label here.
5854 * dwarf2.h: Add declarations of DWARF2 unwind info support
5856 * m68k.c: Include dwarf2.h.
5857 (output_function_prologue): Add dwarf2 support.
5858 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
5859 (INCOMING_FRAME_SP_OFFSET): Likewise.
5861 * integrate.c (expand_inline_function): Make sure there is at
5862 least one insn that can be used as an insertion point.
5864 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
5866 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
5868 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
5870 * version.c: Bump for snapshot.
5872 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
5874 Bring over from FSF.
5876 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
5878 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
5879 (get_pc_via_rdpc): Renamed from get_pc_sp64.
5880 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
5882 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
5884 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
5885 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
5887 (sparc_align_{loops,jumps,funcs}_string): Declare.
5888 (sparc_align_{loops,jumps,funcs}): Declare.
5889 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
5890 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
5891 (STACK_BIAS): Define.
5892 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
5894 (SPARC_SETHI_P): New macro.
5895 (CONST_OK_FOR_LETTER_P): Use it.
5896 (ASM_OUTPUT_ALIGN_CODE): Define.
5897 (ASM_OUTPUT_LOOP_ALIGN): Define.
5898 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
5899 (sparc_align_{loops,jumps,funcs}): New globals.
5900 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
5902 (move_operand): Use SPARC_SETHI_P.
5903 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
5905 (arith11_double_operand): Likewise.
5906 (arith10_double_operand): Likewise.
5907 (finalize_pic): Finish sparc64 support.
5908 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
5909 64 bit constants if able.
5910 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
5911 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
5913 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
5914 (get_pc_sp32): Use for sparc64 as well.
5915 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
5916 (sethi_di_sp64_const): Likewise.
5917 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
5918 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
5919 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
5921 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
5923 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
5924 * sparc/linux.h (COMMENT_BEGIN): Likewise.
5925 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
5927 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
5929 Add sparc64 linux support.
5930 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
5931 to xm_file list on 32-bit sparc-linux.
5932 * sparc/xm-sp64.h: New file.
5933 * sparc/linux64.h: New file.
5934 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
5935 Don't include xm-sparc.h.
5936 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
5937 * glimits.h (LONG_MAX): Handle sparc64.
5939 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
5941 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
5942 * sparc.h (ASM_COMMENT_START): Define.
5943 * sparc.c (output_function_prologue): Use it.
5944 (sparc_flat_output_function_{epi,pro}logue): Likewise.
5946 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
5948 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
5949 use sparc.h's copies.
5950 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
5953 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5955 * sparc.c (dwarf2out_cfi_label): Add declaration.
5956 (save_regs, output_function_prologue): Remove cast for it.
5957 (sparc_flat_{save_restore,output_function_prologue): Likewise.
5958 ({save,restore}_regs): No longer inline.
5960 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5962 * fold-const.c (make_range): Correctly handle cases of converting
5963 from unsigned to signed type.
5965 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5967 * fold-const.c (merge_ranges): Make sure that if one range is subset
5968 of another, it will always be the second range. Correct (+,-) case to
5971 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
5973 * final.c (final_end_function): Also do dwarf2 thing if
5974 DWARF2_DEBUGGING_INFO.
5975 (final_start_function): Likewise.
5977 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
5979 * expmed.c (expand_divmod): If compute_mode is not the same as
5980 mode, handle the case where convert_modes() causes op1 to no
5981 longer be a CONST_INT.
5983 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
5984 note holding get_jump_flags() calculation to all JUMP_INSNs.
5985 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
5986 * rtl.c (reg_note_name): Add new note types.
5988 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
5990 * rtlanal.c (computed_jump_p): Fix typo in last change.
5992 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5994 * loop.c (indirect_jump_in_function_p): Return 0
5997 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
5999 * rs6000/xm-rs6000.h: Fix thinko in last change.
6000 * rs6000/xm-sysv4.h: Likewise.
6002 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
6004 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
6006 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
6008 * reg-stack.c (find_blocks): Fix thinko in last change.
6010 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6012 * m68k.c (output_function_prologue): Add dwarf2 support.
6014 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
6015 INCOMING_FRAME_SP_OFFSET): New definitions.
6017 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
6019 * combine.c (try_combine): Use NULL_RTX instead of '0' where
6020 appropriate in calls to gen_rtx().
6021 * cse.c (cse_main): Likewise.
6022 * emit-rtl.c (gen_label_rtx): Likewise.
6023 * expr.c (init_expr_once): Likewise.
6024 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
6025 sched_analyze, init_rgn_data_dependences,
6026 compute_block_backward_dependences): Likewise.
6027 * sched.c (schedule_insns): Likewise.
6028 * varasm.c (immed_double_const): Likewise.
6030 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
6031 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
6033 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
6035 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
6036 (MULTILIB_DEFAULTS): Define.
6037 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
6038 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
6039 (LIBGCC_SPEC): Likewise.
6040 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
6041 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
6042 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
6043 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
6044 (EXTRA_PARTS, TAROUTOPTS): Delete.
6045 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
6046 (MULTILIB_OPTIONS): Define.
6047 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
6048 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
6050 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
6052 * version.c: Bump for snapshot.
6054 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
6056 * loop.c (loop_number): Delete function. Change all references
6057 to use uid_loop_num array.
6058 * loop.h (loop_number): Delete declaration.
6059 * unroll.c (unroll_loop): Change "loop_number" references to
6060 use uid_loop_num instead.
6062 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
6064 (loop_unroll_iter): Remove unused variable and all references.
6065 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
6066 (insert_bct): Fix minor formatting problems.
6067 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
6068 (loop_unroll_iter): Removed unused decl.
6069 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
6070 Always record the unrolling factor.
6072 * cse.c (simplify_relational_operation): Set h0u just like h0s.
6073 Similarly for h1u and h1s.
6075 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
6076 (find_basic_blocks): Use computed_jump_p to determine if a
6077 particular JUMP_INSN is a computed jump.
6078 * reg-stack.c (find_blocks): Use computed_jump_p to determine
6079 if a particular JUMP_INSN is a computed jump.
6080 * rtlanal.c (jmp_uses_reg_or_mem): New function.
6081 (computed_jump_p): Likewise.
6082 * rtl.h (computed_jump_p): Declare.
6083 * genattrtab.c (pc_rtx): Define and initialize.
6084 * loop.c (loop_optimize): Always determine if the current
6085 function has a computed jump.
6086 (indirect_jump_in_function_p): Use computed_jump_p to determine
6087 if a particular JUMP_INSN is a computed jump.
6089 * loop.c (fix_bct_param): Delete unused function.
6090 (check_bct_param): Likewise.
6092 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
6094 * frame.c (__deregister_frame): Check properly for initialized object.
6096 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6098 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
6100 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
6102 * jump.c (thread_jumps): check can_reverse_comparison_p before
6103 threading a reversed-condition jump.
6105 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
6106 * haifa-sched.c (update_flow_info): Likewise.
6108 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
6110 * Makefile.in (BOOT_CFLAGS): Use -O2.
6112 * configure.in (strtoul, bsearch): Have autoconf check for these
6114 * configure, config.in: Rebuilt.
6116 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
6117 * mips/mips.h (alloca): Likewise.
6118 * rs6000/xm-rs6000.h (alloca): Likewise.
6119 * rs6000/xm-sysv4.h: Likewise.
6121 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
6123 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
6124 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
6125 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
6127 * except.c (end_eh_unwinder): Subtract 1 from return address.
6128 * libgcc2.c (__throw): Likewise.
6129 (find_exception_handler): Don't change PC here. Compare end with >.
6131 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
6133 * v850.c (compute_register_save_size): Correct register
6135 * v850.md (save_interrupt, return_interrupt): Correct
6137 * v850/lib1funcs.asm (save_interrupt): Correct register number.
6138 (return_interrupt): Use stack pointer, not element pointer.
6140 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
6142 * configure.in, configure: Make sure to create the stage* and include
6143 symbolic links in each subdirectory.
6145 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
6147 * pa.md (reload_peepholes): Don't allow addresses with side
6148 effects for the memory operand.
6150 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
6152 * libgcc2.c (find_exception_handler): Subtract one from our PC when
6153 looking for a handler, to avoid hitting the beginning of the next
6156 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
6158 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
6160 * mips/abi64.h (LONG_MAX_SPEC): Define.
6161 * mips.h (LONG_MAX_SPEC): Define.
6162 (CPP_SPEC): Include long_max_spec.
6163 (EXTRA_SPECS): Include long_max_spec.
6165 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
6167 * v850.c (construct_save_jarl): Fix thinko in last change.
6169 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
6171 * version.c: Bump for snapshot.
6173 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
6175 * libgcc2.c (find_exception_handler): Not found is -1.
6177 * integrate.c (expand_inline_function): Move expand_start_bindings
6178 after expanding the arguments.
6180 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
6182 * expr.c (expand_expr): Remove previous incorrect change.
6183 If target and slot has no DECL_RTL, then call mark_addressable
6184 again for the slot after we give it RTL.
6186 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
6188 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
6189 again for the slot after we give it RTL.
6191 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
6193 * v850.c (register_is_ok_for_epilogue,
6194 pattern_is_ok_for_epilogue, construct_restore_jr,
6195 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
6197 * v850.h (pattern_is_ok_for_prologue,
6198 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
6201 * v850.md: Replace prologue and epilogue patterns with a
6202 match_parallel pattern.
6204 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
6206 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
6207 * configure.in: Use EGCS_PROG_INSTALL.
6209 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
6211 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
6212 extern inline function.
6214 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
6216 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
6217 (concat_loc_descriptor): New function.
6218 (loc_descriptor): Call it.
6219 (add_AT_location_description): Also elide the descriptor if both
6220 halves of a CONCAT are pseudos.
6221 (add_location_or_const_value_attribute): Recognize CONCAT too.
6223 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
6225 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
6227 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
6228 out-or-range reg_offset.
6229 (output_epilog): Likewise.
6231 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
6233 * cse.c (simplify_relational_operation): If MODE specifies a
6234 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
6235 is derived from the sign bit of the low word.
6237 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
6239 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
6241 * dwarf2.h: Add DW_CFA_GNU_args_size.
6242 * frame.c (execute_cfa_insn): Likewise.
6243 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
6244 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
6245 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
6246 insn, hand it off to dwarf2out_stack_adjust.
6247 (dwarf2out_begin_prologue): Initialize args_size.
6248 * frame.h (struct frame_state): Add args_size.
6249 * libgcc2.c (__throw): Use args_size.
6250 * final.c (final_scan_insn): If we push args, hand off all insns
6251 to dwarf2out_frame_debug.
6252 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
6254 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
6255 Handle epilogue restore of SP from FP.
6256 * emit-rtl.c (gen_sequence): Still generate a sequence if the
6257 lone insn has RTX_FRAME_RELATED_P set.
6259 * frame.c (extract_cie_info): Handle "e" augmentation.
6260 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
6261 absence of UNALIGNED_*_ASM_OP.
6262 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
6263 (output_call_frame_info): Use "e" instead of "z" for augmentation.
6264 Don't emit augmentation fields length.
6265 (dwarf2out_do_frame): Move outside of #ifdefs.
6266 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
6269 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
6270 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
6271 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
6272 * sparc/sun4gas.h: New file.
6273 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
6275 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
6276 __register_frame_table and __deregister_frame.
6278 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
6280 * except.c (find_exception_handler_labels): Use xmalloc instead of
6281 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
6284 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
6286 * Makefile.in: Various changes to build info files
6287 in the object tree rather than the source tree.
6289 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
6291 * fixinc.math: New file to fix math.h on some systems.
6292 * configure.in (freebsd, netbsd): Use fixinc.math on these
6294 * configure: Rebuilt.
6296 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
6298 * regmove.c (regmove_optimize): If we end up moving the
6299 original insn due to lifetime overlaps, make sure to move
6302 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
6304 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
6306 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
6308 * haifa-sched.c (add_branch_dependences): Make each insn in
6309 a SCHED_GROUP_P block explicitly depend on the previous insn.
6311 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
6313 * except.h: Prototype dwarf2 hooks.
6316 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
6318 * configure.in (native_prefix): Delete.
6319 (mips-dec-netbsd): Don't set prefix.
6320 (*linux*): Don't set prefix.
6322 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
6324 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
6325 defined. If not defined, include <sys/varargs.h> if
6326 HAVE_SYS_VARARGS_H is defined.
6327 * configure.in: Test for varargs.h and sys/varargs.h.
6328 * configure: Regenerate with autoconf.
6329 * config.in: Regenerate with autoheader.
6331 * cpplib.c (quote_string): Cast first arg of sprintf call
6332 from "unsigned char *" to "char *".
6333 (output_line_command): Ditto.
6334 (macroexpand): Ditto.
6335 (do_line): Cast atoi arg from "unsigned char *" to "char *".
6337 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
6339 * version.c: Bump for snapshot.
6341 * Makefile.in (compare): Exit with nonzero status if there
6342 are comparison failures. Note which files failed the
6343 comparison test in .bad_compare.
6345 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6347 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
6349 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
6351 * Makefile.in (LN, LN_S): New macros, use where appropriate.
6352 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
6353 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
6354 * configure: Regenerated.
6356 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
6358 * loop.c (strength_reduce): Fix typo.
6360 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
6362 * m88k/m88k.c (struct option): Rename to struct options.
6363 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
6364 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
6365 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
6366 __DOLPHIN__ or sysV88.
6368 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
6370 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
6373 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
6375 * config.sub: Accept 'amigados' for backward compatability.
6377 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6379 * Makefile.in (testsuite/site.exp): New target.
6380 (check-gcc, check-g++): Depend on testsuite/site.exp.
6381 Don't stop for failure.
6383 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
6385 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
6386 if DWARF2_UNWIND_INFO.
6388 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
6390 Add support for exception handling using DWARF 2 frame unwind info.
6391 Currently works on SPARC and MIPS, and almost on x86.
6393 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
6394 next_stack_level, in_reg_window): Helper fns.
6395 (__throw): Implement for DWARF2_UNWIND_INFO.
6397 * expr.c (expand_builtin): Handle builtins used by __throw.
6398 * tree.h (enum built_in_function): Add builtins used by __throw.
6399 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
6400 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
6401 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
6402 (expand_builtin_extract_return_addr): Likewise.
6403 (expand_builtin_frob_return_addr): Likewise.
6404 (expand_builtin_set_return_addr_reg): Likewise.
6405 (expand_builtin_eh_stub): Likewise.
6406 (expand_builtin_set_eh_regs): Likewise.
6407 (eh_regs): Choose two call-clobbered registers for passing back values.
6409 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
6410 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
6411 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
6412 (stmp-multilib): Likewise.
6413 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
6415 * except.c: #include "defaults.h".
6416 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
6417 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
6418 (register_exception_table_p): New fn.
6419 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
6420 (end_eh_unwinder): Likewise.
6422 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
6423 call __register_frame and __deregister_frame as needed.
6424 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
6425 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
6426 EH_FRAME_SECTION_ASM_OP.
6427 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
6428 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
6429 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
6431 * dwarf2out.c (output_call_frame_info): If no support for
6432 EXCEPTION_SECTION, mark the start of the frame info with a
6434 * collect2.c (frame_tables): New list.
6435 (is_ctor_dtor): Recognise frame entries.
6436 (scan_prog_file): Likewise.
6437 (main): Pass -fno-exceptions to sub-compile. Also do collection
6438 if there are any frame entries.
6439 (write_c_file_stat): Call __register_frame_table and
6440 __deregister_frame as needed.
6441 (write_c_file_glob): Likewise.
6443 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
6444 Also require unaligned reloc support.
6445 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
6446 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
6447 * sparc/sysv4.h: Not here.
6449 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
6450 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
6451 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
6453 * libgcc2.c (L_eh): Reorganize, moving code shared by different
6454 EH implementations to the top.
6455 (find_exception_handler): Split out. Start from 0. Compare against
6457 (__find_first_exception_table_match): Use it.
6458 * except.c (output_exception_table): Don't do anything if there's
6459 no table. Don't output a first entry of zeroes.
6460 (eh_outer_context): Adjust properly.
6461 (add_eh_table_entry): Use xrealloc.
6462 * toplev.c (compile_file): Just call output_exception_table.
6464 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
6466 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
6468 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
6470 * except.c (eh_outer_context): Do masking using expand_and.
6472 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
6474 Add port done awhile ago for the ARC cpu.
6475 * arc/arc.h: New file.
6476 * arc/arc.c: New file.
6477 * arc/arc.md: New file.
6478 * arc/initfini.c: New file.
6479 * arc/lib1funcs.asm: New file.
6480 * arc/t-arc: New file.
6481 * arc/xm-arc.h: New file.
6482 * ginclude/va-arc.h: New file.
6483 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
6484 * ginclude/varargs.h: Likewise.
6485 * Makefile.in (USER_H): Add va-arc.h.
6486 * configure.in (arc-*-elf*): Recognize.
6487 * longlong.h: Add ARC support.
6489 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
6491 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
6492 when clearing non-BLKmode data.
6494 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
6496 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
6497 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
6499 * xm-m88k.h (USG): Only define if it hasn't already been defined.
6501 * Makefile.in (risky-stage1): Delete gratutious whitespace.
6503 * Makefile.in (clean): Delete libgcc1-test.
6505 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
6507 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
6509 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
6512 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6514 * dwarf2out.c (output_call_frame_info): Call named_section.
6516 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
6518 * haifa-sched.c (print_value): Fix last change.
6520 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
6522 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
6525 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
6527 * mips.c (function_prologue): Set up the CFA when ABI_32.
6529 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
6530 for dwarf2 unwind info.
6531 (output_function_prologue, sparc_flat_output_function_prologue): Same.
6533 * final.c (final_end_function): Check dwarf2out_do_frame instead
6534 of DWARF2_DEBUG for dwarf2 unwind info.
6535 (final_scan_insn): Likewise.
6536 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
6539 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
6542 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
6544 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
6546 * v850.h (ASM_SPEC): Pass on target processor.
6547 (CPP_PREDEFINES): Only define if not already specified.
6548 (TARGET_VERSION): Only define if not already specified.
6549 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
6551 (EXTRA_SWITCHES): Extra entries in the switches array.
6552 (TARGET_DEFAULT): Set default target processor.
6554 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
6556 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
6557 cases, add %# and %/, and add : to make them into extended asms.
6559 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
6561 * alias.c (init_alias_analysis): Clean up incompatible pointer
6562 type warning in bzero.
6563 * regmove.c (regmove_optimize): Ditto.
6564 * haifa-sched.c (find_rgns): Ditto.
6566 * haifa-sched.c (print_value): Clean up ptr->int cast
6569 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
6571 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
6572 * install.texi (Configurations): Ditto.
6573 * config.sub: Ditto.
6575 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
6577 * Makefile.in (sdbout.o): Depend on insn-config.h.
6579 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
6581 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
6582 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
6584 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
6586 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
6587 prologue insn, only the first elt is significant.
6588 (output_call_frame_info): For exception handling, always use 4-byte
6589 fields as specified by the dwarf2 spec.
6590 Don't skip trivial FDEs.
6592 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
6594 * version.c: Bump for snapshot.
6596 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
6598 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
6599 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
6602 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
6604 * final.c (shorten_branches): During first pass, assume worst
6605 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
6607 * Makefile.in (distclean): Remove various things left around
6608 by running the testsuite.
6610 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
6612 * configure.in (out_file): Emit definition to config.status in order
6613 to have a defined value for configure.lang.
6614 * configure: Re-built.
6616 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
6618 * configure.in: Make symlink to as-new rather than as.new. Similarly
6620 * configure: Rebuilt.
6622 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
6624 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
6626 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
6628 * sparc/sparc.md: Add ultrasparc scheduling support.
6629 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
6631 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
6633 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
6634 as initial value for real_label_map.
6635 (copy_for_inline): Likewise.
6637 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
6639 * sched.c (update_flow_info) When looking if to set found_split_dest
6640 or found_orig_dest, look at all parts of a PARALLEL.
6641 * haifa-sched.c (update_flow_info): Likewise.
6643 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
6645 * v850: New directory for v850 port.
6646 * v850/lib1funcs.asm: New file.
6647 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
6648 * ginclude/va-v850.h: New file.
6649 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
6650 * configure.in (mn10200-*-*): New target.
6651 * configure: Rebuilt.
6652 * config.sub: Handle v850-elf.
6653 * Makefile.in (USER_H): Add va-mn10200.h.
6654 * invoke.texi: Document v850 stuff.
6656 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
6658 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
6659 has integer TYPE_{MAX,MIN}_VALUE before using them.
6661 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
6662 __HPUX_ASM__ versions.
6664 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
6666 * install.sh: Delete duplicate install script.
6668 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
6670 * reg-stack.c (subst_stack_regs): Pop the stack register for a
6671 computed goto which sets the same stack register.
6673 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
6674 destination are both on the regstack.
6675 (subst_stack_regs_pat): Put the destination at the top of the regstack.
6677 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
6679 * mips.md (nonlocal_goto_receiver): Define.
6681 * profile.c (output_arc_profiler): Check next_insert_after for non
6682 NULL before deferencing it.
6684 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
6686 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
6688 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
6690 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
6692 * toplev.c (rest_of_compilation): For passes starting with
6693 flow_analysis, use print_rtl_with_bb instead of print_rtl.
6695 * print-rtl.c (print_rtl_single): Print a single rtl value to a
6698 * flow.c (print_rtl_with_bb): Print which insns start and end
6699 basic blocks. For the start of a basic block, also print the live
6702 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
6704 * toplev.c (main): Change #elif to #else/#ifdef
6706 * tlink.c: Include ctype.h.
6707 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
6709 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
6711 * bitmap.c: Conditionally include stdlib.h.
6712 (free): Provide a declaration if NEED_DECLARATION_FREE.
6714 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
6716 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
6718 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
6720 * profile.c (output_arc_profiler): Verify next_insert_after is an
6721 INSN before and after skipping a stack pop.
6723 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
6725 * final.c (shorten_branches): Don't count the lengths of deleted
6728 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
6730 * version.c: Bump for snapshot.
6732 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
6734 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
6735 two bitmaps ANDed together.
6736 (bitmap_print): Declare.
6738 * bitmap.c (function_obstack): Don't declare any more.
6739 (bitmap_obstack): Obstack for allocating links from.
6740 (bitmap_obstack_init): New static to say whether to initialize
6742 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
6743 (bitmap_release_memory): Free all memory allocated from
6746 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
6747 EXECUTE_IF_AND_IN_BITMAP.
6749 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
6751 * alias.c (true_dependence): Address with AND can alias scalars.
6752 (anti_dependence, output_dependence): Likewise.
6754 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
6756 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
6758 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
6759 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
6760 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
6761 definitions. Use -qrtems instead of -mrtems.
6763 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
6765 * xm-sco5.h (sys_siglist): Define.
6766 (SYS_SIGLIST_DECLARED): Likewise.
6768 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
6770 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
6772 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
6774 * except.c (eh_outer_context): Expand masking operation using
6777 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
6779 * alpha.md (floatdisf2-1): New pattern.
6781 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
6783 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
6784 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
6785 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
6786 * gcc.texi: Note that if you define sys_siglist that you should
6787 also define SYS_SIGLIST_DECLARED.
6789 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
6790 are relative to the next instruction, not the current instruction.
6792 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
6794 * local-alloc.c (contains_replace_regs): New function.
6795 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
6796 verify that there is no existing REG_EQUIV note, and add a call to
6797 contains_place_regs.
6799 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6801 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
6802 (STARTFILE_SPEC): Always use crtbegin.o%s
6803 (ENDFILE_SPEC): Always use crtend.o%s.
6805 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
6807 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
6809 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
6810 SFmode for 64 bit hosts.
6812 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
6814 * fixincludes: Permits spaces between # and define. Discard C++
6815 comments in sys/pci.h on HP/UX 10.20.
6817 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
6819 * version.c: Bump for snapshot.
6821 * pa.c (restore_unscaled_index_insn_codes): New function.
6822 (record_unscaled_index_insn_codes): Likewise.
6823 (output_function_prologue): Call restore_unscaled_index_insn_codes.
6824 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
6825 (pa_reorg): Call record_unscaled_index_insn_codes.
6827 * haifa-sched.c (move_insn): Handle notes correctly for insns
6828 with SCHED_GROUP_P set.
6830 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6832 * alpha/xm-linux.h (USE_BFD): Undef before define.
6834 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
6836 * cse.c (cse_insn): Don't record BLKmode values.
6838 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
6840 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
6842 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
6844 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
6845 * collect2.c (sys_errlist): Likewise.
6846 * cpplib.c (sys_errlist): Likewise.
6847 * gcc.c (sys_errlist): Likewise.
6848 * protoize (sys_errlist): Likewise.
6849 * configure.in: Check for strerror.
6850 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
6851 * xm-gnu.h (HAVE_STRERROR): Likewise.
6852 * xm-linux.h (HAVE_STRERROR): Likewise.
6853 * xm-netbsd.h (HAVE_STRERROR): Likewise.
6854 * xm-bsd386.h (HAVE_STRERROR): Likewise.
6855 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
6856 * xm-dos.h (HAVE_STRERROR): Likewise.
6857 * xm-mingw32.h (HAVE_STRERROR): Likewise.
6858 * xm-pa.h (HAVE_STRERROR): Likewise.
6859 * xm-papro.h (HAVE_STRERROR): Likewise.
6860 * xm-sysv4.h (HAVE_STRERROR): Likewise.
6861 * configure, config.in: Rebuilt.
6863 * Makefile.in: Add several missing "else true" clauses.
6865 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
6866 * mips-tfile.c: Likewise.
6867 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
6868 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
6869 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
6870 * configure.in: Check for sys_siglist declaration.
6871 * configure, config.in: Rebuilt.
6873 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
6875 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
6876 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
6877 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
6878 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
6879 * rs6000/sysv4.h (extra_subtarget_switches): Added new
6880 macro EXTRA_SUBTARGET_SWITCHES.
6881 * configure.in (sh*-*-rtems*): New target.
6882 * sh/rtems.h: New file.
6883 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
6884 * configure: Rebuilt.
6886 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
6888 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
6890 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
6892 * rs6000.md: Make DF fused-add operations pay attention to
6895 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
6897 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
6899 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
6901 * pa.md (reload_peepholes): Make sure operand is a REG before
6902 examining REGNO. Allow general registers too.
6904 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
6906 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
6908 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
6910 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
6911 to reallocate abbrev_die_table.
6913 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
6915 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
6917 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6919 * Makefile.in (config.status): Depend on version.c
6921 * expr.h (insn_gen_function): Reenable prototype.
6923 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
6926 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
6928 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
6930 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
6932 * version.c: Bump for latest snapshot.
6934 * bc-optab.c: Conditionally include stdlib.h.
6935 (free): Provide a declaration if NEED_DECLARATION_FREE.
6936 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
6937 * rtl.h (free): Remove declaration.
6938 * tree.h (free): Remvoe declaration.
6940 * configure: Rebuilt.
6942 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
6944 * flags.h (flag_move_all_movables): Declare.
6945 (flag_reduce_all_givs): Likewise.
6946 * loop.c (move_movables): Handle flag_move_all_movables.
6947 (strength_reduce): Handle flag_reduce_all_givs.
6948 * toplev.c (flag_move_all_movables): Define.
6949 (flag_reduce_all_givs): Likewise.
6950 (f_options): Add -fmove-all-movables and -freduce-all-givs.
6951 * invoke.texi: Document new options, including alias stuff that
6952 wasn't included last time.
6954 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
6956 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
6959 * t-vxworks68: Ditto.
6960 * t-vxworks960: Ditto.
6963 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
6965 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
6966 if not already defined, and USE_C_ALLOCA not defined.
6968 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
6970 * config.guess: Replace with script that uses ../config.guess.
6972 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
6973 if USE_GNULIBC_1 is not defined.
6975 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
6977 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
6978 * config.guess: Recognize alpha-linux-gnulibc1.
6979 * configure.in (alpha-*-linux-gnulibc1): New target.
6980 (alpha-*-linux-gnu*): Don't build crtbegin/end.
6982 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
6984 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
6987 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
6989 * loop.c (combine_movables): Earlier insns don't match later ones.
6991 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6993 * config/linux.h (CC1_SPEC): Define it only if not defined.
6995 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
6998 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
6999 USE_GNULIBC_1 is not defined.
7001 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
7003 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
7004 as 1 if USE_GNULIBC_1 is not defined.
7006 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
7008 * reorg.c (dbr_schedule): Allow current_function_return_rtx
7009 to be something other than a REG.
7010 * function.c (expand_function_end): Fix current_function_return_rtx
7013 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
7014 * x-netbsd: Likewise
7015 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
7016 (INSTALL_HEADERS): Delete.
7017 * x-dguxbcs: Likewise.
7018 * x-hp3bsd44: Likewise
7021 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7023 * i386.md (pop): pop increments the stack pointer.
7024 (prologue_set_stack_ptr): New pattern.
7025 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
7028 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
7030 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
7031 address where an offsettable address is required.
7033 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
7035 * loop.c (check_final_value): Don't miss a biv increment in a
7038 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
7040 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
7041 TYPE_DECL_IS_STUB instead of DECL_NAME.
7043 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7045 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
7047 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
7049 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
7051 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
7053 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
7054 (find_post_sched_live): Likewise.
7056 * haifa-sched.c (schedule_block): Remove old code to get arguments
7057 from hard regs into pseudos early.
7059 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
7061 * version.c: Bump for new snapshot.
7063 * local-alloc.c (update_equiv_regs): All the target to reject
7064 promotion of some REG_EQUAL to REG_EQUIV notes.
7065 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
7067 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
7070 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
7071 store of the argument registers.
7073 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
7075 * fold-const.c (multiple_of_p): New function.
7076 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
7078 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
7080 * expr.h (insn_gen_function): Temporarily remove prototype.
7082 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
7084 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
7085 filenames. Use sed to extract base filename for install.
7087 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
7089 * unroll.c (find_splittable_givs): Only share if two givs have the
7090 same add and multiply values.
7092 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
7094 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
7095 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
7097 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
7099 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
7100 around branch tables.
7101 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
7102 and .end_brtab directives if TARGET_GAS.
7104 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
7106 * alias.c (true_dependence): Pass x_addr not x to varies.
7108 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
7109 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
7110 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
7112 * config.in, configure: Regenerate.
7114 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
7116 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
7118 (record_set): Handle LO_SUM like PLUS.
7119 (init_alias_analysis): When following chains of base addresses,
7120 do not stop on reaching a hard register.
7122 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
7124 * version.c: Bump for new snapshot.
7126 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
7128 * alpha.h (ARCH_ASM_FILE_START): Define.
7129 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
7130 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
7132 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
7134 * Makefile.in (install-common): Put gcov comment at start of line.
7136 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
7138 * alias.c (init_alias_analysis): When simplifying the reg_base_value
7139 array, simplify entries for hard registers too.
7141 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
7143 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
7146 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
7148 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
7149 block_stack before dereferencing it.
7151 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
7153 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
7155 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
7157 * cplus-dem.c: Add 'extern' to prepends_underscore.
7159 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
7161 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
7162 (get_issue_rate): Delete.
7163 * pa.h (ISSUE_RATE): Define.
7165 * configure.in: Turn on haifa by default for the PA.
7166 * configure: Rebuilt.
7167 * pa.c (override_options): Accept -mschedule=7200 option.
7168 (pa_adjust_cost): No longer need to scale costs for newer
7170 * pa.h (enum processor_type): Add PROCESSOR_7200.
7171 * pa.md: Revamp scheduling parameters to work better with
7172 haifa. Add scheduling parameters for the 7200.
7174 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
7176 (schedule_block): When adjusting basic_block_{head,end}, account
7177 for movement of SCHED_GROUP_P insns too.
7179 * haifa-sched.c (debug_dependencies): Fix thinko.
7181 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
7182 (site.exp, check, check-g++, check-gcc): New targets.
7184 * haifa-sched.c: Make lots of variables static.
7186 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7188 * expr.h, real.h: Finish prototyping.
7190 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
7192 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
7193 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
7194 * reload1.c: Undo bugfix from Aug 11.
7196 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
7198 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
7199 quotes around the name.
7200 * configure: Regenerate.
7202 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
7204 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
7206 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
7208 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
7209 to sub-makes to avoid building more passes than the user might have
7210 requested on the command line.
7212 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
7214 * configure.in: Expurgate `broken_install' (install is
7217 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
7220 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
7222 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
7223 functions and declarations.
7224 (analyze_loop_iterations): Use condjump_p.
7225 (insert_bct): Likewise. Use exact_log2.
7227 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
7229 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
7230 (schedule_region): Likewise.
7231 (schedule_insns): Likewise.
7233 * PROJECTS: Update with Haifa stuff.
7235 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
7237 * version.c: Change the version string to look like:
7238 egcs-2.90.00 970814 (gcc2-970802 experimental).
7240 * loop.c (is_conditional_branch): Make definition match declaration.
7242 * gcc.c: Take out experimental snapshot warning message.
7244 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
7246 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
7247 print out the names of the notes. Print out the name of the insn
7248 that is not a note, and not an {,CALL_,JUMP_}INSN.
7250 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
7252 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
7253 again for the slot after we give it RTL.
7255 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
7257 * configure.in (haifa configury): Fix typo.
7258 * configure: Regenerate.
7260 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
7262 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
7264 * gcc.info*: Rebuilt.
7266 * COPYING.g77, README.g77: New files.
7267 * real.c (ereal_unto_float, ereal_unto_double): New functions.
7268 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
7269 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
7271 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
7273 * Integrate Haifa instruction scheduler.
7274 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
7275 to sched with $(SCHED_CFLAGS.
7276 * configure.in: Handle --enable-haifa.
7277 * configure: Rebuilt.
7278 * flags.h: Add new flags for haifa instruction scheduler.
7279 * genattrtab.c (expand_units): For haifa, don't subtract one
7280 when computing blockage.
7281 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
7282 (flag_schedule_speculative): Ditto.
7283 (flag_schedule_speculative_load): Ditto.
7284 (flag_schedule_speculative_load_dangerous): Ditto.
7285 (flag_schedule_reverse_before_reload): Ditto.
7286 (flag_schedule_reverse_after_reload): Ditto.
7287 (flag_branch_on_count_reg): Ditto.
7288 (f_options): Add Haifa switches.
7289 (main): Turn off some Haifa options if appropriate macro is
7290 defined. Process Haifa switches.
7291 * unroll.c (iteration_info): No longer static, since Haifa
7293 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
7294 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
7295 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
7296 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
7297 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
7298 storage for the Haifa scheduler.
7299 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
7301 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
7302 are defined, call analyze_loop_iterations and insert_bct to use
7304 (record_giv): Refine test for jumps out of loops if HAIFA is
7306 (analyze_loop_iterations): New function to identify if we can use
7308 (insert_bct): Insert countdown loop.
7309 (instrument_loop_bct): Low level code to insert countdown loop.
7310 (loop_number): Calculate UID of loop.
7311 (indirect_jump_in_function_p): Return true if an indirect jump is
7313 (is_power_of_2): Return true if value is a power of 2.
7314 (is_conditional_branch): Return true if insn is a conditional
7316 (fix_bct_param): Process -fbct-{min,max}-N switches.
7317 (check_bct_param): Return true if loop should be instrumented.
7318 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
7319 (loop_optimize): Initialize.
7320 (get_condition_for_loop): Ditto.
7321 * loop.c (strength_reduce): Inside of code that uses #ifdef
7322 HAVE_decrement_and_branch_on_count code, test it to make sure the
7324 (instrument_loop_bct): Ditto.
7325 * haifa-sched.c: New file.
7328 * Integrate regmove pass.
7329 * Makefile.in (OBJS): Add regmove.o
7330 (regmove.o): Add dependencies.
7331 * flow.c (find_use_as_address): No longer static.
7332 * rtl.h (find_use_as_address): Declare.
7333 * toplev.c (regmove_dump, flag_regmove): Define.
7334 (f_options): Add -fregmove.
7335 (regmove_dump_file, regmove_time): Define.
7336 (fatal_insn): Close the regmove dump file.
7337 (compile_file): Initialize regmove_time; open/close the regmove dump
7338 file as needed. Print regmove time as needed.
7339 (rest_of_compilation): Run regmove pass if requested, dump
7340 RTL after regmove if requested.
7341 (main): If -O2 or more, turn on regmove. Handle dump switches.
7342 * regmove.c: New file.
7344 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
7346 * Integrate tlink patch from jason@cygnus.com
7347 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
7348 (process_command): Increment n_switches for them. Don't discard
7349 their args. Validate them.
7350 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
7352 (process_command): Set include_prefixes from COMPILER_PATH.
7353 (main): Set COLLECT_GCC_OPTIONS sooner.
7354 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
7355 * tlink.c, hash.c, hash.h: New files.
7356 * Makefile.in (USE_COLLECT2): Always use collect2.
7357 (collect2): Depend on and link in hash.o and tlink.o.
7358 (tlink.o, hash.o): Add dependencies.
7360 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
7362 * Integrate alias analysis changes from jfc@mit.edu
7363 * Makefile.in (OBJS): Add alias.o
7364 (alias.o): Add dependencies.
7365 * alias.c: New file.
7366 * sched.c: Remove alias analysis code. It lives in alias.c now.
7367 (sched_analyze_2): Add new arguments to true_dependence.
7368 (schedule_insns): Always call init_alias_analysis.
7369 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
7370 mark return value from such functions as a pointer and keep track of
7371 them for alias analysis. If a return value from a function is a
7372 pointer, mark it as such.
7373 * combine.c (distribute_notes): Handle REG_NOALIAS.
7374 * cse.c (struct write_data): Delete. No longer needed.
7375 (invalidate): Don't call set_nonvarying_address_components anymore.
7376 Use true_dependence to decide if an entry should be removed from
7378 (invalidate_memory): Remove WRITES argument, simplify appropriately.
7380 (note_mem_written): Similarly for WRITE_PTR argument.
7381 (invalidate_from_clobbers): Similarly for W argument.
7382 (invalidate_for_call): Remove memory elements from the hash table.
7383 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
7384 (cse_rtx_varies_p): New function. Derived from old
7385 cse_rtx_addr_varies_p.
7386 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
7387 Don't call note_mem_written anymore. Stack pushes invalidate the stack
7388 pointer if PUSH_ROUNDING is defined. No longer need to call
7389 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
7390 (skipped_writes_memory): Remove variable.
7391 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
7392 (invalidate_skipped_block): Simplify for new alias analysis code.
7393 (cse_set_around_loop): Likewise.
7394 (cse_main): Call init_alias_analysis.
7395 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
7396 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
7397 (f_options): Add new alias checking arguments.
7398 (main): Set flag_alias_check when optimizing.
7399 * local_alloc (validate_equiv_mem_from_store): Add new arguments
7401 (memref_referenced_p): Likewise.
7402 * loop.c (NUM_STORES): Increase to 30.
7403 (prescan_loop): Only non-constant calls set unknown_address_altered.
7404 (invariant_p): Add new arguments to true_dependence.
7405 (record_giv): Initialize unrolled and shared fields.
7406 (emit_iv_add_mult): Call record_base_value as needed.
7407 * loop.h (struct induction): Add unrolled and shared fields.
7408 * unroll.c (unroll_loop): Call record_base_value as needed.
7409 (copy_loop_body): Likewise.
7410 (final_biv_value): Likewise.
7411 (final_giv_value): Likewise.
7412 (find_splittable_regs): Likewise. Only create one new pseudo
7413 if we have multiple address GIVs that were combined with the same
7414 dst_reg GIV. Note when a new register is created due to unrolling.
7415 * rtl.c (reg_note_name): Add REG_NOALIAS.
7416 * rtl.h (enum reg_note): Similarly.
7417 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
7418 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
7419 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
7420 (true_dependence, read_dependence, anti_dependence): Likewise.
7421 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
7422 (mark_user_reg, mark_reg_pointer): Likewise.
7425 * Integrate reload bugfix from Wilon which enables the PA port
7427 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
7428 OPERAND_ADDRESS when computing how many registers an insn needs.
7429 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
7431 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
7433 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
7434 in reload_reg_use_in_op_addr do not reach the end.
7435 do not reach the end.
7436 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
7437 RELOAD_FOR_OPERAND_ADDRESS.
7439 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
7441 * egcs project officially starts.