1 Fri Feb 5 10:55:43 1999 Nick Clifton <nickc@cygnus.com>
3 * recog.c (split_block_insns): Only call update_flow_info if
4 instruction scheduling is enabled.
6 1999-02-05 11:22 -0500 Zack Weinberg <zack@rabi.columbia.edu>
8 * Makefile.in (gen-protos): Use libcpp.a like everyone else.
10 Fri Feb 5 07:09:29 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12 * loop.c (first_loop_store_insn): New file-scope variable.
13 (prescan_loop): Set it.
14 (check_dbra_loop): Check if a store depends on a register
15 that is set after the store.
17 Fri Feb 5 06:55:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19 * unroll.c (entire file): Remove tabs / spaces at end of lines.
20 Replace spaces with tabs where appropriate.
22 Thu Feb 4 15:12:41 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24 * loop.c (scan_loop): New argument loop_cont. Changed caller.
25 (strength_reduce): New argument loop_cont. Changed caller.
26 Before clearing not_every_iteration after a label, check if
27 we are not already past LOOP_CONT.
29 1999-02-04 16:04 -0500 Zack Weinberg <zack@rabi.columbia.edu>
31 * cpperror.c (cpp_print_containing_files): Fix formatting
34 1999-02-04 14:33 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
36 * cpplib.c (initialize_char_syntax): Move to cppinit.c.
37 (cpp_define): Remove redundant syntax checks.
38 (make_assertion): Rename cpp_assert, remove redundant syntax
40 (cpp_options_init): Don't init things to zero twice.
41 (cpp_expand_to_buffer): Use memcpy, not a char-by-char loop.
42 (do_include): Kill excessively verbose #import warning that
43 snuck back in in the gcc2 merge.
44 (convert_string): Removed.
45 (do_line): Rewrite with simple last-name-used cache instead of
47 (cpp_start_read): Call initialize_char_syntax here, not...
48 (cpp_reader_init): ...here.
49 (cpp_handle_options): Support the -std switch.
50 * cpplib.h (cpp_buffer): Add last_nominal_fname member.
51 (cpp_options): Add c9x flag.
52 Declare all the is_* tables and trigraph table here, as const.
53 Prototype cpp_assert and initialize_char_syntax.
54 * cppinit.c: New file.
55 * cppfiles.c (read_and_prescan): Optimize.
56 * Makefile.in (LIBCPP_OBJS): Add cppinit.o.
58 Thu Feb 4 10:46:30 1999 Gavin Romig-Koch <gavin@cygnus.com>
60 * config/mips/mips.md ([u]divmodsi4,[u]divmoddi4,[u]divsi3,[u]divdi3,
61 [u]modsi3,[u]moddi3) : Don't copy the "zero" argument to a register
62 before calling gen_div_trap.
64 Wed Feb 3 21:56:27 1999 Jeffrey A Law (law@cygnus.com)
66 * configure.in (hppa1.1-*-*, hppa2*-*): Use symbolic value rather
67 than numeric value for target_cpu_default..
70 Wed Feb 3 21:55:56 1999 Marc Espie <Marc.Espie@liafa.jussieu.fr>
72 * Makefile.in (xgcc$(exeext)): Remove choose-temp, pexecute and
73 mkstemp. Get them from libiberty.
74 (COLLECT2_OBJS): Similarly for choose-temp, cplus-dem and mkstemp.
75 (PROTO_OBJS): Similarly for choose-temp, getopt, getopt1 and pexecute.
76 (cplus-dem.o, pexecute.o, choose-temp.o): Remove build rules.
77 (mkstemp.o, getopt1.o, getopt.o): Likewise.
79 * pa-gas.h (TARGET_DEFAULT): Use symbolic values rather than numeric
81 * pa-hpux.h (LINK_SPEC): Likewise.
82 * pa-hpux10.h (LINK_SPEC): Likewise.
83 * pa-hpux9.h (LINK_SPEC): Likewise.
84 * pa-osf.h: (LINK_SPEC): Likewise.
85 * pa-pro.h (TARGET_DEFAULT): Likewise.
86 * pa1.h (TARGET_DEFAULT): Likewise.
87 * pa.h (MASK_*): New defines.
88 (TARGET_*): Use symbolic values rather than numeric values.
89 (TARGET_SWITCHES): Likewise.
90 (TARGET_DEFAULT): likewise.
93 Wed Feb 3 21:07:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
95 * reload1.c (reload_cse_regs_1): Undo Jan 16 patch.
96 * reload.c (find_reusable_reload): New function, broken out of
97 push_reload. Add code to verify that none of the involved
98 outputs are subject to earlyclobbers.
99 (push_reload): Break out new function find_reusable_reload.
100 Delete "register" keyword for IN, OUT args.
102 Wed Feb 3 15:51:04 1999 Gavin Romig-Koch <gavin@cygnus.com>
104 * config/mips/mips.c (true_reg_or_0_operand) : New function.
105 * config/mips/mips.h (PREDICATE_CODES): Add true_reg_or_0_operand.
106 * config/mips/mips.md (div_trap,div_trap_normal,div_trap_mips16):
107 Use true_reg_or_0_operand for div_trap.
109 Wed Feb 3 20:44:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
111 * loop.h (express_from): Declare.
112 (struct induction): Replace derived flag with derived_from pointer.
113 * loop.c (strength_reduce, record_giv, recombine_givs): Likewise.
114 (express_from): No longer static.
115 * unroll.c (find_splittable_givs): Replace derived with derived_from.
116 When processing an address giv with which another giv has been
117 combined that has also been derived from a third giv, handle like
118 having combined with the third giv.
119 Set splittable_regs_updates appropriately for derived givs.
121 Wed Feb 3 15:26:58 1999 Gavin Romig-Koch <gavin@cygnus.com>
123 * config/mips/mips.md (div_trap_mips16): Remove nop's after branches.
125 Wed Feb 3 11:56:23 1999 Jeffrey A Law (law@cygnus.com)
127 * pa.c (insn_sets_and_refs_are_delayed): New function.
128 * pa.h (INSN_SETS_ARE_DELAYED): Use it.
129 (INSN_REFERENCES_ARE_DELAYED): Likewise.
131 Wed Feb 3 06:24:49 1999 Richard Earnshaw (rearnsha@arm.com)
133 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Delete.
134 * config/arm/t-linux (LIBGCC2_CFLAGS): Delete.
135 (TARGET_LIBGCC2_CFLAGS): Define.
136 (LIBGCC2_DEBUG_CFLAGS): Define.
137 * config/arm/t-netbsd: Likewise.
138 * config/arm/t-semi: Likewise.
139 * config/arm/t-semiaof: Likewise.
140 * config/arm/t-riscix: Likewise.
142 Wed Feb 3 10:59:07 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
144 * config/m68k/m68k.c (print_operand_address): When printing a
145 SYMBOL_REF that ends in `.<letter>' put parentheses around it.
147 Tue Feb 2 23:38:35 1999 David O'Brien <obrien@FreeBSD.org>
149 * i386/freebsd*.h now allows '$' in label names and does not use the
150 PCC struct return method.
152 Tue Feb 2 22:38:23 1999 Jim Wilson <wilson@cygnus.com>
154 * Makefile.in: Change all uses of AR to AR_FOR_TARGET. Change all uses
155 of HOST_AR to AR. Likewise for AR_FLAGS, RANLIB, and RANLIB_TEST.
156 (RANLIB_TEST): Test to see if ranlib exists. Only test absolute file
157 names if host == target.
158 (HOST_AR, HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Delete.
159 (AR_FLAGS_FOR_TARGET): Renamed from AR_FOR_TARGET_FLAGS.
160 (AR, AR_FLAGS, OLDAR, OLDAR_FLAGS, RANLIB, RANLIB_TEST): Delete rules
161 setting them to *_FOR_TARGET.
162 * cross-make (AR, AR_FLAGS, OLDAR, OLDAR_FLAGS, RANLIB, RANLIB_TEST):
165 Tue Feb 2 22:38:19 1999 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
167 * toplev.h (read_integral_parameter): Declare.
168 * toplev.c (read_integral_parameter): New function.
170 Fri Jan 29 21:00:56 1999 Bob Manson <manson@charmed.cygnus.com>
172 * resource.c, resource.h: New files.
173 * Makefile.in (OBJS): Add it.
175 * haifa-sched.c (regno_use_in): Moved to rtlanal.c.
176 (split_block_insns): Moved to recog.c.
177 (update_flow_info): Make public.
178 * rtl.h: Declare them.
180 * reorg.c: Moved the functions dealing with computing resource
183 * sched.c (regno_use_in): Moved to rtlanal.c.
184 (update_flow_info): Make public.
185 (schedule_insns): Use split_block_insns.
187 * recog.c (split_block_insns): New function.
189 Tue Feb 2 22:03:26 1999 David Edelsohn <edelsohn@mhpcc.edu>
191 * rs6000/linux.h (LINK_START_DEFAULT_SPEC): Delete, unused.
192 (LINK_OS_DEFAULT_SPEC): Delete, unused.
194 Tue Feb 2 20:29:34 1999 Catherine Moore <clm@cygnus.com>
196 * configure.in (arm-*-oabi): Support.
197 * configure: Regenerate.
198 * config/arm/unknown-elf-oabi.h: New file.
200 Tue Feb 2 19:43:59 1999 Jeffrey A Law (law@cygnus.com)
202 * i386.md (ashlsi3): Turn into a define_expand an anonymous pattern.
203 Make the anonymous pattern match when ! optimize_size.
204 (ashlsi3 size optimizer): New pattern.
206 * intl/Makefile.in (uninstall): Add missing "; \".
208 Tue Feb 2 18:21:23 1999 Stan Cox <scox@cygnus.com>
210 * sparc.h (TARGET_CPU_sparc86x): Added. TARGET_CPU_sparclite86x
213 Tue Feb 2 20:24:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
215 * loop.c (loop_optimize): Fix value max_uid_for_loop is reset
216 to after find_and_verify_loops call.
218 Tue Feb 2 19:48:29 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
220 * (recombine_givs): Don't use a giv that's likely to be dead to
223 * loop.c (recombine_givs): Fix test for lifetime overlaps / loop
224 wrap around when deriving givs.
226 Mon Feb 1 20:00:40 1999 Richard Henderson <rth@cygnus.com>
228 * recog.c (check_asm_operands): Treat indeterminate operand ok
229 results as success. Try harder to resolve a matching constraint.
230 * stmt.c (expand_asm_operands): Recognize when an output operand's
231 constraint does not allow memory. Treat indeterminate operand ok
232 results as failure. Try harder to resolve a matching constraint.
234 Mon Feb 1 15:00:02 1999 Ken Raeburn <raeburn@cygnus.com>
236 Use varrays for constant-equivalence data:
238 * varray.h (struct const_equiv_data): New type.
239 (union varray_data_tag): New element const_equiv.
240 (VARRAY_CONST_EQUIV_INIT, VARRAY_CONST_EQUIV): New macros.
241 (VARRAY_SIZE): New macro, returns number of elements.
242 * integrate.h: Include varray.h.
243 (struct inline_remap): Replace const_equiv_map, const_age_map and
244 const_equiv_map_size with a const_equiv_varray element.
245 (MAYBE_EXTEND_CONST_EQUIV_VARRAY): New macro; grows varray if
247 (SET_CONST_EQUIV_DATA): New macro; sets rtx and age fields
248 simultaneously, growing the varray if needed.
250 * integrate.c (global_const_equiv_map,
251 global_const_equiv_map_size): Deleted, replaced by....
252 (global_const_equiv_varray): New variable.
253 (expand_inline_function): References changed.
254 * integrate.h: Update declarations.
256 * integrate.c (process_reg_parm, expand_inline_function,
257 copy_rtx_and_substitute, try_constants, subst_constants,
258 mark_stores): Use varray allocation and accessor macros, new
259 integrate.h macros, and global_const_equiv_varray. Don't
260 conditionalize non-NULL stores on array size; instead, expand the
262 * unroll.c (unroll_loop): Likewise.
264 * unroll.c (unroll_loop): Initialize const_equiv_varray element to
265 zero. After allocating varray, always exit through bottom of
266 function, where it can be deallocated if needed. Don't explicitly
267 reallocate const_equiv_map storage; instead, just ensure the
268 varray has been initialized, and update the global reference.
270 Mon Feb 1 09:40:25 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
272 * system.h (inline, const): Handle these for stage2 (and later) gcc.
274 * dwarf2out.c (inline): Don't define.
276 * dwarfout.c (inline): Likewise.
278 Sun Jan 31 22:04:37 1999 Richard Henderson <rth@cygnus.com>
280 * loop.c (recombine_givs): Dump recombination and derivation data.
282 Sun Jan 31 20:34:29 1999 Zack Weinberg <zack@rabi.columbia.edu>
284 * flags.h: Declare flag_no_ident.
285 * toplev.c: Define flag_no_ident. Process -f(no-)ident here.
286 * c-tree.h: Don't declare flag_no_ident.
287 * c-decl.c: Don't define flag_no_ident. Don't process
288 -f(no-)ident switches here.
290 * config/elfos.h (ASM_FILE_END): Output final .ident directive
291 only if !flag_no_ident.
292 * config/ptx4.h: Likewise.
293 * config/svr4.h: Likewise.
294 * config/alpha/elf.h: Likewise.
295 * config/arm/linux-elf.h: Likewise.
296 * config/i386/sco5.h: Likewise.
297 * config/i860/fx2800.h: Likewise.
298 * config/mips/gnu.h: Likewise.
299 * config/i386/osfrose.h: Likewise.
301 * gcc.c (C specs): Map -Qn to -fno-ident.
302 * objc/lang-specs.h: Likewise.
304 Mon Feb 1 10:52:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
306 * configure.in: Don't remove loop.o and unroll.o when
307 enable-haifa is selected.
308 * configure: Rebuilt.
310 Sun Jan 31 13:22:02 1999 John Wehle (john@feith.com)
312 * i386.md (movsicc, movhicc, movsfcc, movdfcc,
313 movxfcc, movdicc): Delete unconstrained alternatives.
314 * i386.c (output_fp_conditional_move,
315 output_int_conditional_move): Delete unused case.
317 Sun Jan 31 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
319 * version.c: Bump for snapshot.
321 Sun Jan 31 00:52:37 1999 Richard Henderson <rth@cygnus.com>
323 * alpha.md (mov patterns): Emit the assembler aliases mov and fmov
324 instead of bis and cpys. Combine alternatives where possible.
326 Sat Jan 30 23:14:13 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
328 * gcov.c (fnotice): Add missing FILE* parameter.
329 (function_summary): Fix format specifiers in calls to `fnotice'.
330 (output_data): Likewise.
332 * toplev.c (fnotice): Constify char* parameter.
334 * toplev.h (fnotice): Add prototype.
335 Wrap prototype with BUFSIZ to protect FILE* usage.
337 Sun Jan 31 15:33:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
339 * config/c4x/c4x.h (RTX_COSTS): Explicitly define c4x costs.
341 Sat Jan 30 08:27:23 1999 Jeffrey A Law (law@cygnus.com)
343 * combine.c (distribute_notes): Handle REG_EH_REGION notes.
345 * alias.c (fixed_scalar_and_varying_struct_p): Add "static" to
347 (aliases_everything_p, write_dependence_p):Likewise.
349 * install.texi: Fix merge lossages.
351 * cccp.c (main): Only call setlocale (LC_MESSAGES, ...) if LC_MESSAGES
353 * collect2.c (main): Likewise.
354 * cppmain.c (main): Likewise.
355 * gcc.c (main): Likewise.
356 * gcov.c (main): Likewise.
357 * protoize.c (main): Likewise.
358 * toplev.c (main): Likewise.
360 * pa.md (parallel shift and shiftadd): Mark output of shift as an
363 * loop.c: Disable recent loop changes. Temporary as Joern
364 continues to fix problems.
366 Sat Jan 30 03:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
368 * loop.c (strength_reduce): Size reg_map according to reg_iv_type.
370 Fri Jan 29 18:26:07 1999 Dave Brolley <brolley@cygnus.com>
372 * emit-rtl.c (remove_insn): New function.
373 * rtl.h (remove_insn): Add prototype.
374 * function.c (reposition_prologue_and_epilogue_notes): Call remove_insn.
376 Fri Jan 29 22:34:41 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
378 * loop.c (recombine_givs): Don't try to derive givs that have combined.
380 Fri Jan 29 15:00:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
382 * toplev.c (notice, fnotice): Check ANSI_PROTOTYPES, not __STDC__,
383 when declaring arguments and calling va_arg() to initialize them.
385 * collect2.c (notice): Likewise.
387 * loop.c (find_life_end): Use PROTO() macro in the prototype.
389 Fri Jan 29 14:36:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
391 * collect2.c (error): Fix typo in declaration.
393 * cpperror.c (cpp_message): Likewise.
395 * cpplib.c (cpp_warning): Likewise.
397 * cpplib.h (cpp_notice): Use PVPROTO not VPROTO, also add
400 * toplev.c (error): Fix typo in declaration.
402 Fri Jan 29 15:44:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
404 * loop.c (strength_reduce): Fix HAVE_cc0 handling when scanning
405 forward from cont dominator.
407 Fri Jan 29 07:10:27 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
409 * cccp.c (eprint_string): Constify a char*.
410 (notice): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
411 (vnotice): Constify a char*.
412 (error): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
413 (verror): Constify a char*.
414 (warning): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
415 (vwarning): Constify a char*.
416 (error_with_line): Likewise. Use PVPROTO not VPROTO, add
418 (verror_with_line): Constify a char*.
419 (vwarning_with_line): Likewise.
420 (warning_with_line): Likewise. Use PVPROTO not VPROTO, add
422 (pedwarn): Constify a char*. Use PVPROTO not VPROTO, add
424 (pedwarn_with_line): Likewise with ATTRIBUTE_PRINTF_2.
425 (pedwarn_with_file_and_line): Likewise with ATTRIBUTE_PRINTF_4.
426 Also correct typo in parameter name declaration.
427 (make_assertion): Constify a char*.
428 (quote_string_for_make): Likewise.
429 (deps_output): Likewise.
430 (fatal): Likewise. Use PVPROTO not VPROTO, add
431 ATTRIBUTE_PRINTF_1. Use ATTRIBUTE_NORETURN not an explicit
432 "__attribute__ ((noreturn))".
433 (fancy_abort): Likewise for ATTRIBUTE_NORETURN.
434 (pfatal_with_name): Likewise.
435 (pipe_closed): Likewise.
436 (memory_full): Likewise.
438 Fri Jan 29 00:14:55 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
440 * loop.c (strength_reduce): Grow set_in_loop / n_times_set /
441 may_not_optimize to proper size when converting biv increments
443 If necessary, reallocate reg_iv_type / reg_iv_info before calling
446 Thu Jan 28 23:24:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
448 * loop.c (recombine_givs): New parameter unroll_p. If set, don't
449 generate complex adds. Changed caller.
450 Don't generate adds that cost more than the original one.
451 (strength_reduce): Warning fixes.
453 Thu Jan 28 09:41:11 1999 Jeffrey A Law (law@cygnus.com)
455 * configure.in (hppa1.0-hp-hpux10*): Use t-pa.
456 * configure: Rebuilt.
458 Wed Jan 27 23:39:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
460 * rtl.h (insn_first_p): Declare.
461 * rtlanal.c (insn_first_p): New function.
462 * loop.h (varray.h): Include.
463 (struct induction): Change combined_with to unsigned.
464 New members derived, ix and last_use.
465 (reg_iv_type, reg_iv_info): Now varray_type. All references changed.
466 (REG_IV_TYPE, REG_IV_INFO): Define.
467 (first_increment_giv, last_increment_giv): Declare.
468 * loop.c (loop_number_loop_cont): New static variable.
469 (loop_number_cont_dominator): Likewise.
470 (reg_iv_type, reg_iv_info): Now varray_type.
471 (first_increment_giv, last_increment_giv): New variables.
472 (compute_luids, verify_dominator, find_life_end): New functions.
473 (cmp_recombine_givs_stats, recombine_givs): Likewise.
474 (loop_optimize): Allocate loop_number_loop_cont and
475 loop_number_cont_dominator. Use compute_luids.
476 (find_and_verify_loops): Initialize loop_number_loop_cont and
477 loop_number_cont_dominator.
478 (strength_reduce): Try to find bivs that can be expressed as givs
479 of another biv, and to convert biv increments into givs.
480 Call recombine_givs. Handle derived givs.
481 (record_biv): New argument location. All callers changed.
482 (record_giv): Initialize derived and last_use fields.
483 (basic_induction_var): New argument location. All callers changed.
484 (combine_givs): Don't combine a DEST_REG giv with a DEST_ADDR giv.
485 Increment combined_with instead of setting to 1.
486 * unroll.c (derived_regs): New static variable.
487 (unroll_loop): Initialize it.
488 Allocate local_regno according to max_reg_num.
489 (copy_loop_body): Cope with derived givs.
490 (find_splittable_givs): Check for Givs made from biv increments.
491 Set derived_regs for givs.
492 * Makefile.in (stmt.o, loop.o, unroll.o): Depend on loop.h .
494 Wed Jan 27 19:31:36 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
496 * function.c (purge_addressof_1): Handle case when a register
497 has been used in a wider mode.
499 Wed Jan 27 11:58:18 1999 Dave Brolley <brolley@cygnus.com>
501 * cpplib.h (cpp_notice): Add prototype.
503 Wed Jan 27 02:20:48 1999 Jeffrey A Law (law@cygnus.com)
505 * Merge gcc2 snapshot 19980929.
507 * cccp.c (PRINTF_PROTO): Remove.
508 (PRINTF_PROTO_{1,2,3,4}: Likewise.
510 * system.h: Add PRINTF_PROTO and PRINTF_PROTO_{1,2,3,4}.
512 * fix-header.c (cpp_file_lin_for_message): Delete. In libcpp.
513 (cpp_print_containing_files, v_cpp_message, cpp_message): Likewise.
514 (cpp_fatal, cpp-Pfatal_with_name): Likewise.
516 * gen-protos.c (hashf): Delete in cpphash.o
517 * gen-protos.c (hashf): Delete in cpphash.o
519 * expr.c: Do not merge SAVE_STACKAREA_MODE changes.
520 * expmed.c: Likewise.
521 * rs6000.md: Likewise.
523 * rs6000.c, rs6000.md: Do not merge formatting changes yet.
525 Wed Jan 27 01:13:42 1999 Richard Henderson <rth@cygnus.com>
527 * rs6000.c (input_operand): Don't expect CONST around CONSTANT_P_RTX.
528 * rs6000.md (movsi, movdi): Likewise.
530 Tue Jan 26 13:31:38 1999 Jim Wilson <wilson@cygnus.com>
532 * function.c (expand_function_end): Pass arg_pointer_save_area to
533 validize_mem before using it. Emit code into a sequence.
535 Tue Jan 26 13:41:38 1999 David Edelsohn <edelsohn@mhpcc.edu>
537 * rs6000.md (doz + set cr and or + set cr patterns): Add missing
538 '#' to split patterns. Correct indentation of some new patterns.
540 1999-01-26 12:11 -0500 Zack Weinberg <zack@midnite.ec.rhno.columbia.edu>
542 * cppfiles.c (safe_read): Deleted.
543 (read_and_prescan): New function, replaces safe_read, converts
544 and/or warns about trigraphs, silently converts odd line
545 terminators (\r, \n\r, \r\n). Warns about no newline at EOF.
546 (finclude): Use read_and_prescan; turn off nonblocking mode on
547 the input descriptor; remove file-size-examination and
548 no-newline-at-EOF gunk which is longer necessary; be more
549 careful about checking that we've been handed a legitimate
550 file to read (only real files, pipes, and ttys are acceptable).
551 * cpplib.h (cpp_options): Rename no_trigraphs flag to
552 `trigraphs' and invert its sense.
553 (trigraph_table): Declare.
554 (cpp_warning_with_line): Prototype.
555 * cpplib.c: Remove all references to trigraph_pcp. Define
556 trigraph_table; initialize it in initialize_char_syntax. Open
557 files in nonblocking mode. s/no_trigraphs/trigraphs/
558 throughout, and invert sense. Put cpp_warning_with_line back
561 Tue Jan 26 23:21:49 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
563 * config/c4x/c4x.h (COUNTER_REGS): New register class.
564 * config/c4x/c4x.md (*rptb_init): Change constraints.
565 (rptb_end): Emit alternate looping instructions if
566 RC register not allocated for loop counter.
567 (decrement_and_branch_on_count): Allow other registers
570 1999-01-25 14:26 -0500 Zack Weinberg <zack@rabi.columbia.edu>
572 * cppexp.c (struct arglist): Removed.
573 (parse_number): Use HOST_WIDE_INT for the accumulator.
574 Allow two `l' suffixes unless C89. Clean up. Make static.
575 (parse_charconst): New function broken out of cpp_lex.
576 Code cleaned up drastically. Don't use a token_buffer.
577 (token_buffer): Removed.
578 (cpp_lex): Don't call parse_number on a constant string.
580 (cpp_parse_expr): Properly handle an ERROR op returned by
583 1999-01-25 14:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
585 * cpplib.c: Don't include signal.h, sys/times.h, or
586 sys/resource.h. Don't declare localtime.
587 (macroexpand): Handle special symbols here.
588 (push_macro_expansion): Chop off the trailing '@ ' if possible
590 (cpp_get_token): Don't do either of the above two things here.
591 Move `string' label just after case '"' so that wide strings
592 don't crash the preprocessor.
594 Sun Jan 24 20:13:45 1999 David Edelsohn <edelsohn@mhpcc.edu>
596 * rs6000.md (left shift + set cr patterns): Add missing '#' to
598 (move register + set cr pattern): Ditto.
599 (movdi, !TARGET_POWERPC64 splitters): Add back in Jan. 15th patch,
600 inadvertently deleted.
602 Sun Jan 24 08:07:59 1999 Jeffrey A Law (law@cygnus.com)
604 * stmt.c (stmt_loop_nest_empty): New function.
605 * tree.h (stmt_loop_nest_empty): Declare it.
606 * rtl.def (CALL_PLACEHOLDER): New rtx code.
608 Sun Jan 24 21:24:43 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
610 * config/c4x/c4x.c (c4x_emit_move_sequence, c4x_encode_section_info):
612 (c4x_check_legit_addr): Remove USE and PLUS, allow
613 LO_SUM, and disable SYMBOL_REF, LABEL_REF, and CONST cases.
614 (c4x_legitimize_address): Penalise SYMBOL_REF, LABEL_REF, and
615 CONST cases. Add LO_SUM.
616 (c4x_print_operand): Modified 'C' and 'R' cases for calls.
617 Added 'U' case. Remove dependence on SYMBOL_REF_FLAG.
618 (c4x_print_operand_address): Handle LO_SUM.
619 (c4x_scan_for_ldp): Delete. Hooray!
620 (c4x_process_after_reload): Remove call to c4x_scan_for_ldp.
622 (c4x_immed_int_constant): Renamed from c4x_int_constant. All callers
624 (c4x_immed_float_constant): Renamed from c4x_float_constant. All
626 (c4x_T_constraint): Allow LO_SUM, disable SYMBOL_REF, LABEL_REF,
628 (c4x_U_constraint, symbolic_operand): New functions.
629 (src_operand): Allow 'I' constants in HImode. Allow LO_SUM,
630 disable SYMBOL_REF, LABEL_REF, and CONST.
631 (lsrc_operand, tsrc_operand): Call src_operand instead of
633 (c4x_operand_subword): Update comments.
635 * config/c4x/c4x.c (TARGET_LOAD_ADDRESS): New macro.
636 (LEGITIMATE_CONSTANT_P): Allow SYMBOL_REF, LABEL_REF, CONST,
637 plus HIGH and LO_SUM for the C40.
638 (ENCODE_SECTION_INFO): Define macro.
639 (symbolic_operand, c4x_U_constraint, c4x_emit_move_sequence): New
641 (PREDICATE_CODES): Add symbolic_operand.
643 * config/c4x/c4x.md (movqi, movgqf, movhi, movhi): Call
644 c4x_emit_move_sequence.
645 (floatunsqiqf2, fixuns_truncqfqi2): Rework emitted RTL
646 to avoid symbol references.
647 (all patterns with g constraint): Replace 'g' constraint with 'rIm'.
648 (set_high): Renamed from set_high_use.
649 (set_lo_sum): Renamed from set_ior_lo_use.
650 (all call patterns): Make MEM explicit in call address operands.
651 Modified output templates to use 'U' modifier.
653 Sun Jan 24 01:15:05 PST 1999 Jeff Law (law@cygnus.com)
655 * version.c: Bump for snapshot.
657 Sat Jan 23 22:34:57 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
659 * final.c (bb_str): Qualify a char* with the keyword `const'.
660 (add_bb_string, final_scan_insn, output_asm_insn): Likewise.
662 * fix-header.c (read_scan_file): Likewise.
664 * genoutput.c (output_epilogue, process_template): Likewise.
666 * local-alloc.c (requires_inout, block_alloc): Likewise.
668 * output.h (output_asm_insn, assemble_string): Likewise.
670 * recog.c (recog_constraints, check_asm_operands,
671 decode_asm_operands, extract_insn, preprocess_constraints,
672 constrain_operands): Likewise.
674 * recog.h (operand_alternative, recog_constraints, insn_template,
675 insn_outfun, insn_operand_constraint, insn_name): Likewise.
677 * regclass.c (record_reg_classes, scan_one_insn): Likewise.
679 * regmove.c (find_matches): Likewise.
681 * reload.c (alternative_allows_memconst): Likewise.
683 * reload1.c (constraint_accepts_reg_p,
684 reload_cse_simplify_operands): Likewise.
686 * rtl.h (decode_asm_operands): Likewise.
688 * scan.h (fn_decl): Likewise.
690 * varasm.c (assemble_string): Likewise.
692 Sat Jan 23 01:37:36 1999 Jeffrey A Law (law@cygnus.com)
694 * configure.in (gcc_tooldir): Handle case where exec_prefix has
695 not been explicitly set.
696 * configure: Rebuilt.
698 * fold-const.c (lshift_double): Mark 'prec' arguments as possibly
701 * bitmap.h (bitmap_head_def): Make indx field unsigned.
703 * configure.in (gcc_tooldir): When not making a relative gcc_tooldir,
704 use $exec_prefix/$target_alias for gcc_tooldir.
705 * configure: Rebuilt.
707 Fri Jan 22 11:48:56 1999 Richard Henderson <rth@cygnus.com>
709 * cppp.c (xrealloc): Fix typo last change.
710 * cppalloc.c, gcc.c, genattr.c, genattrtab.c, gencodes.c: Likewise.
711 * genconfig.c, genemit.c, genextract.c, genflags.c: Likewise.
712 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
714 1999-01-22 Michael Meissner <meissner@cygnus.com>
716 * rs6000.h (CR0_REGNO_P): New macro to test if cr0.
717 (CR_REGNO_NOT_CR0_P): New macro to test if cr, but not cr0.
718 (PREDICATE_CODES): Add cc_reg_not_cr0_operand.
719 (cc_reg_not_cr0_operand): Add declaration.
721 * rs6000.c (cc_reg_not_cr0_operand): Return true if register is a
722 pseudo register, or a control register that is not CR0.
724 * rs6000.md (all combiner patterns building . instructions): For
725 all `.' instructions that do something and set cr0, add an
726 alternative that does the operation, and then sets a different
727 flag, in order to avoid using the costly mcrf instruction and also
728 allow cr0 to be clobbered in asm statements. Also fix a few
729 patterns that used the wrong register.
731 * rs6000.h (rs6000_cpu_select): Make string, names be const char *.
732 (rs6000_debug_name): Make const char *, not char *.
734 * sysv4.h (rs6000_{abi,sdata}_name): Make const char *.
736 * rs6000.c (rs6000_{debug,abi,sdata}_name): Make const char *.
737 (rs6000_select): Use const char * in casts.
739 Fri Jan 22 07:43:01 1999 Jeffrey A Law (law@cygnus.com)
741 * Makefile.in (gcc_tooldir): Move before first reference.
742 Let autoconf substitute in a value.
743 * configure.in (gcc_tooldir): Only use a relative path to the
744 tool directory if $exec_prefix == $prefix.
745 * configure: Rebuilt.
747 * Makefile.in (tooldir): Replace with gcc_tooldir.
749 Thu Jan 21 23:21:57 1999 Jeffrey A Law (law@cygnus.com)
751 * m68k.md (ashldi_const): Disable for !TARGET_5200. Fix indention.
752 (ashldi3 expander): Similarly. Update comments.
753 (ashrdi_const, lshrdi_const): Fix indention.
754 (ashrdi3, lshrdi3): FIx indention. Update comments.
756 Thu Jan 21 21:53:36 1999 Richard Henderson <rth@cygnus.com>
758 * emit-rtl.c (try_split): Don't try to split non-instructions.
760 Thu Jan 21 23:47:30 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
762 * expr.c (emit_push_insn): Fix dumb typo.
764 Thu Jan 21 20:24:02 1999 Richard Henderson <rth@cygnus.com>
766 * rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Recognize and accept
767 transformations that we have performed earlier.
768 * alpha.h (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
770 * alpha.md (prologue_stack_probe_loop): Don't do our own label
771 handling, call gen_label_rtx instead.
773 Thu Jan 21 17:45:18 1999 Richard Henderson <rth@cygnus.com>
775 * configure.in ({rs6000|powerpc}-ibm-aix4.[12]*): Add missing `then'.
777 * cccp.c (xrealloc): Call malloc given a NULL old pointer.
778 * collect2.c, cppalloc.c, gcc.c, genattr.c, genattrtab.c: Likewise.
779 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
780 * genflags.c, genopinit.c, genoutput.c, genpeep.c: Likewise.
781 * genrecog.c, mips-tfile.c, protoize.c: Likewise.
783 Thu Jan 21 19:44:55 1999 Michael Meissner <meissner@cygnus.com>
785 * configure.in ({rs6000|powerpc}-ibm-aix4.[12]*): If
786 --with-gnu-ld, use x-aix41-gld instead of x-aix41 to suppress
787 adding -Wl,-bbigtoc to BOOT_LDFLAGS.
788 * configure: Regenerate.
790 * config/rs6000/x-aix41-gld: New file, don't set BOOT_LDFLAGS.
792 Thu Jan 21 15:48:03 1999 Dave Brolley <brolley@cygnus.com>
794 * cppexp.c (cpp_lex): Allocate token_buffer dynamically.
796 Thu Jan 21 14:18:04 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
798 * expr.c (MOVE_BY_PIECES_P): Define condition for deciding to use
800 (MOVE_MAX_PIECES): Define maximum number of bytes to move at once.
801 (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_DECREMENT): Define defaults.
802 (USE_STORE_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Define defaults.
803 (move_by_pieces): Use new macros.
804 (emit_block_move): Use new macros.
805 (clear_by_pieces): Use new macros.
806 (clear_storage): Use new macros.
807 (emit_push_insn): Use new macros.
808 (expand_expr): Use new macros.
809 * config/sh/sh.h (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_DECREMENT):
811 (USE_STORE_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Define.
812 (MOVE_BY_PIECES_P): Define based on alignment and TARGET_SMALLCODE.
813 (MOVE_MAX_PIECES): move 8 bytes on SH4.
814 * tm.texi(MOVE_BY_PIECES_P, MOVE_MAX_PIECES, USE_LOAD_POST_INCREMENT,
815 USE_LOAD_PRE_DECREMENT, USE_STORE_POST_INCREMENT,
816 USE_STORE_PRE_DECREMENT): Describe new macros.
818 Thu Jan 21 14:13:31 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
820 * varasm.c (output_constant_pool): Use floor_log2 instead of
821 exact_log2 for ASM_OUTPUT_ALIGN.
823 * stor-layout.c (layout_type): Do machine-dependent extra alignment.
825 * emit-rtl.c (operand_subword): Handle case when a subword outside
828 * tm.texi (ROUND_TYPE_{SIZE,ALIGN}): More accurate descriptions of
831 Thu Jan 21 01:59:30 1999 Richard Henderson <rth@cygnus.com>
833 * cse.c (fold_rtx): Revert 29 Dec change.
834 (cse_insn): Revert 12 Jan change.
835 * expr.c (expand_builtin): Don't emit CONST around CONSTANT_P_RTX.
836 * regclass.c (reg_scan_mark_refs): Revert 29 Dec change.
838 * rtl.h (CONSTANT_P): Likewise.
840 * expr.c (emit_move_insn): Never try to flush CONSTANT_P_RTX
842 * recog.c (immediate_operand): Accept CONSTANT_P_RTX.
843 * alpha.c (input_operand): Likewise.
844 * c4x.c (const_operand): Likewise.
846 * explow.c (allocate_dynamic_stack_space): Use register_operand
847 instead of arith_operand, which does not exist.
849 * 1750a.h: Fix comment closure.
850 * a29k.c (a29k_set_memflags): Fix typo in 19 Jan change.
851 * arc.md (one_cmplsi2_set_cc_insn): Fix set mode mismatch.
852 * arm.h (TARGET_SWITCHES): Fix typo.
853 * i370.md (anon mult and div patterns): Fix set mode mismatch.
854 * i860.c (output_delayed_branch): Fix operands to constrain_operands.
855 (output_delay_insn): Likewise.
856 * m88k.md (anon rotate insns): Fix set mode mismatch.
857 (anon BLKmode moves): Commonize and fix set mode mismatches.
858 * ns32k.md (udivmoddi[shq]i4_internal): Fix mode mismatch.
859 * romp.md (movdf): Fix typo.
861 Thu Jan 21 00:29:35 1999 Nathan Sidwell <nathan@acm.org>
863 * Makefile.in (install-common): Remove extraneous chmod for gcov
866 Wed Jan 20 18:15:08 1999 Dave Brolley <brolley@cygnus.com>
868 * function.c (assign_parms): Save and restore setting of
871 Wed Jan 20 12:51:42 1999 Mark Mitchell <mark@markmitchell.com>
873 * arm.md: Use MEM_COPY_ATTRIBUTES where appropriate throughout.
874 Pass MEM_SCALAR_P to arm_gen_store_multiple where appropriate.
876 Tue Jan 19 21:20:52 1999 Richard Henderson <rth@cygnus.com>
878 * recog.c (pop_operand): New function.
879 * recog.h (pop_operand): Declare it.
880 * genrecog.c (preds): Define it.
882 * expr.c (do_jump_for_compare): Handle conditional branch expanders
883 emitting multiple jump instructions.
884 * jump.c (condjump_label): New function.
885 * rtl.h (condjump_label): Declare it.
887 Tue Jan 19 21:08:20 1999 Richard Henderson <rth@cygnus.com>
889 * expr.c (emit_move_insn_1): Revert 17 Dec change. Don't emit
890 clobber during or after reload.
892 Tue Jan 19 16:56:03 1999 Richard Henderson <rth@cygnus.com>
894 * genoutput.c (name_for_index): New function.
895 (scan_operands, validate_insn_alternatives): Use it.
896 * genrecog.c (insn_name_ptr_size): New variable.
897 (make_insn_sequence): Fill in insn_name_ptr.
898 (merge_trees): Use it.
900 Tue Jan 19 16:37:36 1999 Richard Henderson <rth@cygnus.com>
902 * i386/isc.h (TARGET_DEFAULT): Define symbolicly.
903 * i386/isccoff.h, i386/next.h, i386/sco.h, i386/sco5.h: Likewise.
904 * i386/scodbx.h, i386/sequent.h, i386.unix.h: Likewise.
906 Tue Jan 19 15:00:10 1999 Jeffrey A Law (law@cygnus.com)
908 * loop.c (NUM_STORES): Delete.
909 (loop_store_mems): Turn into an EXPR_LIST of MEMs.
910 (prescan_loop): Properly initialize loop_mems_idx.
911 (note_addr_stored): Simplify using list structure instead of
913 (invariant_p, check_dbra_loop, load_mems): Similarly.
915 * flow.c (invalidate_from_autoinc): New function.
916 (mark_set_1, mark_used_regs): Use it.
918 * Makefile.in (protoize.o, unprotoize.o): Depend on Makefile.
920 1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com>
922 * invoke.texi (-mlong-double-64): New option description.
924 1999-01-19 Jim Wilson <wilson@cygnus.com>
926 * libgcc2.c: Change all uses of LONG_DOUBLE_TYPE_SIZE to
927 LIBGCC2_LONG_DOUBLE_TYPE_SIZE.
928 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): New. Set to LONG_DOUBLE_TYPE_SIZE
930 * i960/i960.h (MULTILIB_DEFAULTS): Define to mnumerics.
931 (CPP_SPECS): Add -mlong-double-64 support.
932 (TARGET_FLAG_LONG_DOUBLE_64, TARGET_LONG_DOUBLE_64): New.
933 (TARGET_SWITCHES): Add -mlong-double-64 support.
934 (LONG_DOUBLE_TYPE_SIZE): Likewise.
935 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
936 * i960/vx960-coff.h (MULTILIB_DEFAULTS): Define to msoft-float.
937 (CPP_SPECS): Add -mlong-double-64 support.
938 * i960/t-960bare (MULTILIB_OPTIONS): Add mlong-double-64.
939 (MULTILIB_DIRNAMES): Add ld64.
940 * i960/t-vxworks960 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Likewise.
942 Tue Jan 19 11:54:04 1999 Jason Merrill <jason@yorick.cygnus.com>
944 * calls.c (expand_call): Strip a TARGET_EXPR if we're passing by
947 Tue Jan 19 14:51:36 1999 David Edelsohn <edelsohn@mhpcc.edu>
949 * rs6000.c (offsettable_addr_operand): Delete.
950 (offsettable_mem_operand): New function.
951 * rs6000.h (PREDICATE_CODES): Reflect function change.
952 (RS6000_SAVE_TOC): Represent address as MEM.
953 * win-nt.h (RS6000_SAVE_TOC): Same.
954 * rs6000.md (indirect calls): Change offsettable address parameter
955 to offsettable memory parameter.
957 Tue Jan 19 10:24:53 1999 Mark Mitchell <mark@markmitchell.com>
959 * rtl.h (rtx_def): Update documentation.
960 (MEM_IN_STRUCT_P): Likewise.
961 (MEM_SCALAR_P): New macro.
962 (MEM_COPY_ATTRIBUTES): Likewise.
963 (MEM_SET_IN_STRUCT_P): Likewise.
964 * rtl.texi (MEM_SCALAR_P): Document.
965 * alias.c (canon_rtx): Use MEM_COPY_ATTRIBUTES.
966 (fixed_scalar_and_varying_struct_p): New function. Use
967 MEM_SCALAR_P rather than !MEM_IN_STRUCT_P.
968 (aliases_everything_p): Likewise.
969 (true_dependence): Use them.
970 (write_dependence_p): New function, containing code common to
971 anti_dependence and output_dependence.
972 (anti_dependence): Use it.
973 (output_dependence): Likewise.
974 * calls.c (save_fixed_argument_area): Don't clear
976 (expand_call): Use MEM_SET_IN_STRUCT_P.
977 (emit_library_call): Don't clear MEM_IN_STRUCT_P.
978 (emit_library_call_value): Likewise.
979 (store_one_arg): Use MEM_SET_IN_STRUCT_P.
980 * combine.c (simplify_rtx): Use MEM_COPY_ATTRIBUTES.
981 (make_extraction): Likewise.
982 (simplify_shift_const): Likewise.
983 (gen_lowpart_for_combine): Likewise.
984 * cse.c (gen_lowpart_if_possible): Use MEM_COPY_ATTRIBUTES.
985 * emit-rtl.c (operand_subword): Likewise.
986 (change_address): Likewise.
987 * explow.c (stabilize): Use MEM_COPY_ATTRIBUTES.
988 * expr.c (protect_from_queue): Use MEM_COPY_ATTRIBUTES.
989 (emit_group_store): Use MEM_SET_IN_STRUCT_P.
990 (copy_blkmode_from_reg): Likewise.
991 (store_field): Likewise.
992 (expand_expr): Remove bogus guesswork setting MEM_IN_STRUCT_P
993 heuristically. Use MEM_SET_IN_STRUCT_P.
994 (get_memory_rtx): Likewise.
995 * final.c (alter_subreg): Use MEM_COPY_ATTRIBUTES.
996 * function.c (assign_stack_temp): Clear MEM_SCALAR_P and
997 MEM_ALIAS_SET on newly returned MEMs.
998 (assign_temp): Use MEM_SET_IN_STRUCT_P.
999 (put_reg_into_stack): Likewise.
1000 (fixup_var_refs1): Use MEM_COPY_ATTRIBUTES.
1001 (gen_mem_addressof): Use MEM_SET_IN_STRUCT_P.
1002 (assign_parms): Likewise.
1003 (expand_function): Likewise.
1004 * integrate.c (expand_inline_function): Likewise.
1005 (copy_rtx_and_substitute): Use MEM_COPY_ATTRIBUTES.
1006 * loop.c (note_addr_stored): Remove check on MEM_IN_STRUCT_P.
1007 * optabs.c (gen_move_insn): Use MEM_COPY_ATTRIBUTES.
1008 * print-rtl.c (print_rtx): Print /f for frame_related.
1009 * recog.c (validate_replace_rtx_1): Use MEM_COPY_ATTRIBUTES.
1010 * reload1.c (reload): Copy MEM_SCALAR_P as well.
1011 * stmt.c (expand_decl): Use MEM_SET_IN_STRUCT_P.
1012 (expand_anon_union_decl): Use MEM_COPY_ATTRIBUTES.
1013 * varasm.c (make_decl_rtl): Use MEM_SET_IN_STRUCT_P.
1014 (output_constant_def): Likewise.
1015 * a29k.c (a29k_set_memflags_1): Take scalar_p.
1017 (a29k_set_memflags): Use it.
1018 * alpha.c (get_aligned_mem): Use MEM_COPY_ATTRIBUTES.
1019 * c4x.c (c4x_scan_for_ld): Likewise.
1020 * h8300.c (fix_bit_operand): Likewise.
1021 * m88k.c (legitimize_address): Likewise.
1022 (block_move_loop): Likewise.
1023 (block_move_no_loop): Likewise.
1024 (block_move_sequence): Likewise.
1025 (m88k_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
1026 * mips/abi64.h (SETUP_INCOMING_VARARGS): Likewise.
1027 * rs6000.c (expand_block_move_insn): Use MEM_COPY_ATTRIBUTES.
1028 * sh.c (sh_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
1029 * arm.h (arm_gen_load_multiple): Take scalar_p.
1030 (arm_store_load_multiple): Likewise.
1031 * arm.c (arm_gen_load_multiple): Likewise.
1032 (arm_gen_store_multiple): Likewise.
1033 (arm_gen_movstrqi): Treat MEM_SCALAR_P like MEM_IN_STRUCT_P.
1035 Tue Jan 19 12:30:37 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
1037 * optabs.c (emit_libcall_block): Add a REG_EH_REGION reg note to all
1038 calls within a libcall block to indicate no throws are possible.
1039 * flow.c (find_basic_blocks, find_basic_blocks_1): Don't look for
1040 libcall blocks. Don't add edges to exception handlers if we see
1041 a REG_EH_REGION note with a value of 0.
1042 (make_edges): Override active_eh_region vector if the call has a note
1043 indicating the call does not throw.
1045 1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com>
1047 * config/rs6000/sysv4.h (CC1_SPEC): Fix correct numbers of {}.
1049 Tue Jan 19 06:26:30 1999 Jeffrey A Law (law@cygnus.com)
1051 * Makefile.in (cccp.o, cpplib.o): Depend on Makefile.
1053 Mon Jan 18 09:56:41 1999 Jason Merrill <jason@yorick.cygnus.com>
1055 * invoke.texi (C++ Dialect Options): Document -fno-rtti.
1057 1999-01-18 Vladimir N. Makarov <vmakarov@cygnus.com>
1059 * invoke.texi (-mcpu=740, -mcpu=750): New options.
1060 (-m(no-)multiple, -m(no-)string): Describe cases for PPC740 &
1063 1999-01-18 Michael Meissner <meissner@cygnus.com>
1065 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
1066 supported with -mcpu=xxx.
1067 (processor_type): Add PROCESSOR_PPC750.
1068 (ADJUST_PRIORITY): Call rs6000_adjust_priority.
1069 (RTX_COSTS): Supply costs for 750 multiply/divide operations.
1070 (rs6000_adjust_priority): Add declaration.
1072 * rs6000.c (rs6000_override_options): -mcpu={750,740} now sets the
1073 processor type as 750, not 603. Allow -mmultiple and -mstring on
1074 little endian 750 systems.
1075 (rs6000_adjust_priority): Stub for now.
1076 (get_issue_rate): The PowerPC 750 can issue 2 instructions/cycle.
1078 * rs6000.md (function/cpu attributes): Add initial ppc750 support.
1080 * sysv4.h (STRICT_ALIGNMENT): Don't force strict alignment if
1082 (CC1_SPEC): Pass -mstrict-align if little endian, and not
1084 (CC1_ENDIAN_{LITTLE,BIG,DEFAULT}_SPEC): Endian specific configs.
1085 (SUBTARGET_EXTRA_SPECS): Add cc1 endian specs.
1087 * {sysv4,eabi}le.h (CC1_ENDIAN_DEFAULT_SPEC): Override, default is
1090 * t-ppcgas (MULTILIB_*): Delete obsolete Solaris multilibs.
1092 Mon Jan 18 12:03:08 1999 Gavin Romig-Koch <gavin@cygnus.com>
1094 * config/mips/mips.md (div_trap): Split div_trap_mips16
1096 (div_trap_normal,div_trap_mips16): Correct the length attributes.
1098 Mon Jan 18 11:48:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1100 * cpplib.c (special_symbol): Qualify a char* with the `const' keyword.
1101 Instead of writing to const char *buf directly, use a non-const
1102 variable `wbuf' to allocate and write a string, then set buf = wbuf.
1104 * cppulp.c (user_label_prefix): Qualify a char* with the `const'
1107 * dyn-string.c (dyn_string_append): Likewise.
1109 * dyn-string.h (dyn_string_append): Likewise.
1111 * final.c (end_final, output_operand_lossage, asm_fprintf): Likewise.
1113 * output.h (end_final, output_operand_lossage, asm_fprintf,
1114 named_section, decode_reg_name, make_decl_rtl, user_label_prefix):
1117 * profile.c (init_branch_prob): Likewise.
1119 * toplev.c (set_target_switch, vmessage,
1120 v_message_with_file_and_line, v_message_with_decl,
1121 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
1122 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
1123 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
1124 v_pedwarn_with_file_and_line, vsorry, v_really_sorry,
1125 open_dump_file, dump_rtl, clean_dump_file,
1126 print_version, print_single_switch, print_switch_values,
1127 dump_base_name, debug_args, lang_independent_options,
1128 user_label_prefix, documented_lang_options, target_switches,
1129 target_options, print_time, pfatal_with_name, fatal_io_error,
1130 fatal_insn, default_print_error_function, print_error_function,
1131 report_error_function, error_with_file_and_line, error_with_decl,
1132 error_for_asm, error, fatal, warning_with_file_and_line,
1133 warning_with_decl, warning_for_asm, warning, pedwarn,
1134 pedwarn_with_decl, pedwarn_with_file_and_line, sorry,
1135 really_sorry, botch, output_quoted_string, output_file_directive,
1136 open_dump_file, rest_of_decl_compilation, display_help, main):
1139 * toplev.h (print_time, fatal, fatal_io_error, pfatal_with_name,
1140 fatal_insn, warning, error, pedwarn, pedwarn_with_file_and_line,
1141 warning_with_file_and_line, error_with_file_and_line, sorry,
1142 really_sorry, default_print_error_function, report_error_function,
1143 rest_of_decl_compilation, pedwarn_with_decl, warning_with_decl,
1144 error_with_decl, error_for_asm, warning_for_asm, output_quoted_string,
1145 output_file_directive, botch): Likewise.
1147 * tree.h (make_decl_rtl): Likewise.
1149 * varasm.c (strip_reg_name, named_section, decode_reg_name,
1150 make_decl_rtl): Likewise.
1152 Mon Jan 18 11:35:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
1154 * Makefile.in (TCL_LIBRARY): Use 'cd' to find the library
1155 directory logically rather than physically.
1157 Mon Jan 18 09:05:37 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1159 * loop.c (insert_bct): Hide the definition of variables
1160 `increment_direction', `compare_direction', `add_iteration' and
1163 * recog.c (mode_dependent_address_p): Mark parameter `addr' with
1164 ATTRIBUTE_UNUSED. Mark label `win' with ATTRIBUTE_UNUSED_LABEL.
1165 (mode_independent_operand): Mark label `lose' with
1166 ATTRIBUTE_UNUSED_LABEL.
1168 * regclass.c (n_occurrences): Remove prototype and definition.
1170 * reload.c (find_reloads_address_1): Mark variable `tem' with
1173 * reload1.c (reload): Cast the first two arguments of `bcopy' to PTR.
1175 * sbitmap.c (sbitmap_copy): Likewise.
1177 * scan-decls.c (scan_decls): Hide label `handle_comma'.
1179 * toplev.c (output_lang_identify): Mark prototype with
1182 * tree.c (make_node): Cast the first argument of `bzero' to PTR.
1183 (make_tree_vec): Likewise.
1186 * varasm.c (assemble_static_space): Mark variable `tem' with
1189 Mon Jan 18 04:28:36 1999 Nathan Sidwell <nathan@acm.org>
1191 * Makefile.in (GCOV_INSTALL_NAME): New macro.
1192 (install-common): Use it.
1193 (uninstall): Use it.
1194 (uninstall): Use correct names for protoize and unprotoize.
1196 Mon Jan 18 03:52:56 1999 Christian Bruel <Christian.Bruel@st.com>
1197 Jeffrey A Law (law@cygnus.com)
1199 * flow.c (last_mem_set): Delete variable. References removed.
1200 (mem_set_list): New variable.
1201 (life_analysis): Initialize and finalize alias analysis.
1202 (propagate_block); Initialize mem_set_list. Clear for CALL_INSNs.
1203 (insn_dead_p): For a store to memory, search the entire mem_set_list
1205 (mark_set_1): Kill entries on the mem_set_list for aliased writes or
1206 changes to their addresses. Add new entries to the mem_set_list for
1207 memory writes writes.
1208 (mark_used_regs): Kill entries on the mem_set_list which may be
1209 referenced by a load operation.
1211 Mon Jan 18 01:01:02 1999 Jeffrey A Law (law@cygnus.com)
1213 * alias.c (base_alias_check): Add missing return for differing
1216 Mon Jan 18 00:36:13 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1218 * mips-tdump.c (print_file_desc): Handle unknown filenames and
1219 missing local symbols.
1221 Sun Jan 17 21:04:31 1999 Richard Henderson <rth@cygnus.com>
1223 * jump.c (rtx_renumbered_equal_p): Special case CODE_LABEL.
1225 * system.h (bcopy): Implement with memmove not memcpy.
1227 Sun Jan 17 19:23:20 1999 Jeffrey A Law (law@cygnus.com)
1229 * Makefile.in (cppulp.o): Add dependencies.
1231 * i386.md (integer conditional moves): Add missing earlyclobbers.
1233 * regmove.c (optimize_reg_copy_1): Undo Aug 18 change. Update
1234 REG_N_CALLS_CROSSED and REG_LIVE_LENGH if and only if we change
1235 where a register is live.
1237 Sun Jan 17 03:20:47 1999 H.J. Lu (hjl@gnu.org)
1239 * reg-stack.c (subst_stack_regs_pat): Abort if the destination
1240 of a FP conditional move is not on the FP register stack.
1242 Sun Jan 17 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
1244 * version.c: Bump for snapshot.
1246 Sat Jan 16 23:40:33 1999 Jeffrey A Law (law@cygnus.com)
1248 * reload1.c (reload_cse_regs_1): Do not call
1249 reload_cse_simplify_operands for an insn with asm operands.
1251 * cccp.c (print_help): Fix typos.
1252 * cpplib.c (print_help): Fix typos.
1253 * toplev.c (f_optiosn): Fix typos.
1254 (documented_lang_options): Fix typos.
1256 Sat Jan 16 21:48:17 1999 Marc Espie (Marc.Espie@openbsd.org)
1258 * gcc.c: (do_spec_1): Fix obvious typo.
1260 Sat Jan 16 19:31:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1262 * c-decl.c (duplicate_decls): If `warn_traditional', warn when
1263 a non-static function declaration follows a static one.
1265 * invoke.texi (-Wtraditional): Document the extra check now done
1268 Sat Jan 16 15:13:46 1999 Jeffrey A Law (law@cygnus.com)
1270 * pa.md (shadd): Create shadd insns, even if the result of the shift is
1271 needed without the addition.
1273 Sat Jan 16 10:48:16 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1275 * sh.md (movdf, movsf): Temporary workaround for no_new_pseudos lossage.
1277 Fri Jan 15 23:44:37 1999 Richard Henderson <rth@cygnus.com>
1279 * sparc.c (sparc_issue): Add hypersparc/sparclite86x entries.
1281 Fri Jan 15 22:30:04 1999 David Edelsohn <edelsohn@mhpcc.edu>
1283 * rs6000.h (CONST_OK_FOR_LETTER_P): Do not assume 32-bit CONST_INT.
1284 * rs6000.c (u_short_cint_operand, add_operand, logical_operand,
1285 non_add_cint_operand, non_logical_cint_operand): Likewise.
1286 (get_issue_rate): Add CPU_PPC604E case.
1287 * rs6000.md (movdi, !TARGET_POWERPC64 splitters): Handle 64-bit hosts.
1289 Fri Jan 15 18:42:12 1999 Richard Henderson <rth@cygnus.com>
1291 * expr.c (queued_subexp_p): Make public.
1292 * expr.h (queued_subexp_p): Declare it.
1293 * recog.c (asm_operand_ok): New function.
1294 (check_asm_operands): Use it. After reload, use constrain_operands
1296 * recog.h (asm_operand_ok): Declare it.
1297 * stmt.c (expand_asm_operands): Use it to try harder to make
1298 asms initially satisfy their constraints.
1300 Fri Jan 15 17:43:59 1999 Jeffrey A. Law <law@rtl.cygnus.com>
1302 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do not create
1303 (mem (lo_sum (...)) for TFmode unless TARGET_V9.
1305 Sat Jan 16 12:47:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1307 * config/c4x/c4x.md (not_repeat_reg): Allow ldp instruction
1308 in delay slot of RPTBD.
1310 Sat Jan 16 12:26:40 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1312 * config/c4x/libgcc.S (___divhi3, ___modhi3): Fix long long
1313 divide and modulo sign problem.
1315 Fri Jan 15 11:02:31 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1317 * unroll.c (loop_iterations): Return 0 if the last loop insn
1318 is not a jump insn or if the loop has multiple back edges.
1320 Thu Jan 14 22:38:41 1999 Jeffrey A Law (law@cygnus.com)
1322 * unroll.c (find_splittable_givs): For a DEST_ADDR giv, do not share
1323 a register with another DEST_ADDR giv if the address is not valid.
1325 * pa.c (hppa_expand_epilogue): Save and restore the static chain
1326 around the call to mcount.
1328 * h8300.h (ASM_OUTPUT_LABELREF): Use asm_fprintf, not fprintf.
1330 * stmt.c (expand_end_case): Use emit_cmp_and_jump_insns to avoid
1331 generating non-canonical rtl.
1333 1999-01-14 Vladimir N. Makarov <vmakarov@cygnus.com>
1335 * config/i960/i960.c (i960_output_move_double_zero,
1336 i960_output_move_quad_zero): New functions for moving zeros.
1337 (i960_output_move_double, i960_output_move_quad): Additional code
1338 for situation when moving unaligned register group.
1340 * config/i960/i960.h (i960_output_move_double_zero,
1341 i960_output_move_quad_zero): The function definitions.
1343 * config/i960/i960.md (movdi+1, movti+1): Usage of the functions.
1345 1999-01-13 Vladimir N. Makarov <vmakarov@cygnus.com>
1347 * config/i960/i960.c (i960_function_prologue): New code (optimal
1348 solution) for saving global registers in local registers.
1349 (form_reg_groups, reg_group_compare, split_reg_group): New
1350 functions used by the code.
1351 (reg_group): New structure definition for the new code.
1353 Wed Jan 13 20:12:37 1999 Richard Henderson <rth@cygnus.com>
1355 * integrate.c (expand_inline_function): Recognize (mem (addressof))
1356 and substitute. Copy the return value from there into a new pseudo.
1358 Wed Jan 13 16:47:00 1999 Catherine Moore <clm@cygnus.com>
1360 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
1361 before generating a call to abort for volatile functions.
1362 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
1363 (TARGET_ABORT_NORETURN): Define.
1364 (abort-on-noreturn): New option.
1366 Thu Jan 14 13:52:42 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1368 * config/c4x/c4x.md (in_annul_slot_3): Correctly allow unarycc
1369 and binarycc operations in 3rd annulled delay slot!
1371 Wed Jan 13 16:16:44 1999 Catherine Moore <clm@cygnus.com>
1373 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
1374 before generating a call to abort for volatile functions.
1375 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
1376 (TARGET_ABORT_NORETURN): Define.
1377 (abort-on-noreturn): New option.
1379 Wed Jan 13 13:30:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1381 * cccp.c (xstrdup): Renamed from `savestring'. All callers changed.
1382 Remove prototype which we get from libiberty.h.
1384 * collect2.c (xstrdup): Likewise.
1386 * genextract.c (xstrdup): Likewise for `copystr'.
1387 (mybzero): Remove it and use `memset' instead.
1389 * genoutput.c (mybcopy, mybzero): Remove these. All callers changed
1390 to use `memcpy' and `memset' instead.
1392 * genrecog.c (xstrdup): Renamed from `copystr'. All callers
1393 changed. Remove prototype.
1394 (mybcopy, mybzero): Remove these and use memcpy/memset.
1396 Wed Jan 13 00:59:04 1999 Jeffrey A Law (law@cygnus.com)
1398 * mips.h (LOAD_EXTEND_OP): Correct for SImode and CCmode moves when
1399 generating code for TARGET_64BIT.
1401 Tue Jan 12 14:05:37 1999 David Edelsohn <edelsohn@mhpcc.edu>
1403 * rs6000.c (print_operand, cases 'm' and 'M'): Do not depend on
1404 HOST_WIDE_INT word-size.
1405 (rs6000_stack_info): Remove redundant alignment of fpmem.
1407 Tue Jan 12 14:05:37 1999 Richard Henderson <rth@cygnus.com>
1409 * rs6000.c (short_cint_operand): Remove CONSTANT_P_RTX handling.
1410 (u_short_cint_operand, reg_or_cint_operand, logical_operand): Likewise.
1411 (input_operand): Adjust CONSTANT_P_RTX handling.
1412 * rs6000.h (PREDICATE_CODES): Remove CONSTANT_P_RTX references.
1413 * rs6000.md (movsi): Adjust CONSTANT_P_RTX handling.
1414 (movhi, movqi): Remove CONSANT_P_RTX handling.
1415 (movdi): Adjust CONSTANT_P_RTX handling.
1417 Tue Jan 12 10:23:24 1999 Stan Cox <scox@cygnus.com>
1419 * mips.md (call_value_internal3c): New pattern for -mips16 -mlong-calls.
1421 1999-01-12 Manfred Hollstein <manfred@s-direktnet.de>
1423 * m68k/mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
1424 ensure all prototypes necessary for building libio will be available.
1425 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Remove
1426 definitions here as they are not host specific.
1427 * m88k/sysv3.h, m88k/xm-sysv3.h: Likewise.
1429 Tue Jan 12 02:53:46 1999 Richard Henderson <rth@cygnus.com>
1431 * cse.c (cse_insn): Never prefer (const (constant_p_rtx)).
1433 Tue Jan 12 02:36:10 PST 1999 Jeff Law (law@cygnus.com)
1435 * version.c: Bump for snapshot.
1437 Tue Jan 12 01:30:19 1999 Richard Henderson <rth@cygnus.com>
1439 * rtl.c (rtx_alloc): Use memset instead of inline loop.
1441 * recog.h (recog_op_alt): Declare extern.
1443 Tue Jan 12 00:23:31 1999 Richard Henderson <rth@cygnus.com>
1445 * function.c (purge_addressof_1): If the note accesses a mem+addressof
1446 in a wider mode than any replacement, adjust the cached replacement.
1447 Cache trivial substitutions as well.
1449 Tue Jan 12 00:06:00 1999 Richard Henderson <rth@cygnus.com>
1451 * Makefile.in (OBJECTS): Add sbitmap.o.
1452 (BASIC_BLOCK_H): Add sbitmap.h.
1453 * basic-block.h: Move simple bitmap code to sbitmap.h.
1454 * flow.c: Move simple bitmap code to sbitmap.c
1455 * sbitmap.h, sbitmap.c: New files.
1457 Mon Jan 11 23:51:50 1999 Richard Henderson <rth@cygnus.com>
1459 * alpha.h (TARGET_SWITCHES): Document switches.
1460 (TARGET_OPTIONS): Likewise.
1462 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Use HOST_WIDE_INT_PRINT_DEC.
1464 Mon Jan 11 22:54:14 1999 Richard Henderson <rth@cygnus.com>
1466 * tree.c (new_alias_set): Return zero if !flag_strict_aliasing.
1468 Mon Jan 11 22:36:01 1999 Richard Henderson <rth@cygnus.com>
1470 * basic-block.h (basic_block_head): Rename to x_basic_block_head.
1471 (basic_block_end): Rename to x_basic_block_end.
1472 (BLOCK_HEAD, BLOCK_END): Update.
1474 * caller-save.c: Change basic_block_head/end references to
1476 * combine.c, flow.c, function.c, gcse.c, global.c: Likewise.
1477 * graph.c, haifa-sched.c, local-alloc.c, regclass.c: Likewise.
1478 * regmove.c, reload1.c, reorg.c, sched.c: Likewise.
1480 Sat Jan 9 23:54:09 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1482 * gcc.c (xstrerror): Renamed from my_strerror. All callers
1483 changed. Remove prototype since we get that from libiberty.h.
1485 * protoize.c (xstrerror): Likewise.
1487 Sat Jan 9 23:22:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1489 * gcc.c (read_specs): Ensure format specifiers match their arguments.
1491 Sat Jan 9 20:04:24 1999 Richard Henderson <rth@cygnus.com>
1493 * tree.c (copy_node): Oops. That would be copy not zero
1494 in that last change.
1496 Sun Jan 10 15:35:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1498 * config/c4x/c4x.c: Include system.h.
1499 (c4x_caller_save_map): Disable caller save for RC.
1500 (c4x_optimization_options): Disable scheduling before reload.
1501 (valid_parallel_load_store) : Define return type as int.
1502 Remove unused variable regs.
1503 * config/c4x/c4x.h (REGISTER_MOVE_COST): Make independent of register
1505 * config/c4x/c4x.md (rotlqi3, rotrqi3): Fix up emitted RTL to
1507 (*db, decrement_and_branch_until_zero): Fix up constraints
1508 to keep reload happy.
1510 Sat Jan 9 18:35:29 1999 Richard Henderson <rth@cygnus.com>
1512 * tree.c (make_node): Call bzero instead of inline clear.
1513 (copy_node, make_tree_vec, build1): Likewise.
1514 (get_identifier): Call strlen instead of inline count.
1515 (maybe_get_identifier): Likewise.
1517 Sun Jan 10 14:04:51 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1519 * config/c4x/c4x.md: (in_annul_slot_3): Allow unarycc and binarycc
1520 operations in 3rd annulled delay slot.
1521 (*lshrqi3_const_set): Disallow c constraint for operand0.
1522 (modhi3+1, modhi3+2): Set attribute type to multi.
1523 * config/c4x/c4x.c (c4x_S_constraint): Removed space in middle of
1526 Sat Jan 9 11:44:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1528 * gansidecl.h: Allow attribute unused on labels only when we are
1529 version 2.93 or higher. Not all versions of 2.92 have this feature.
1531 * version.c: Bump minor number to 93.
1533 Fri Jan 8 10:51:13 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1535 * config/m68k/m68k.h: Declare output_function_epilogue.
1536 * recog.h: Declare next_insn_tests_no_inequality.
1538 Fri Jan 8 01:43:53 1999 Jeffrey A Law (law@cygnus.com)
1540 * stmt.c (optimize_tail_recursion): New function, extracted from ...
1541 (expand_return): Use optimize_tail_recursion.
1542 * tree.h (optimize_tail_recursion): Declare.
1544 * toplev.c (compile_file): Move call to output_func_start_profiler
1545 to after the loop to emit deferred functions.
1547 Thu Jan 7 19:52:53 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1549 * system.h (abort): Supply more detailed information on how to
1550 report an Internal Compiler Error.
1552 Thu Jan 7 11:26:17 1999 Mark Mitchell <mark@markmitchell.com>
1554 * calls.c (store_unaligned_arguments_into_pseudos): Use xmalloc to
1555 allocate memory that will live beyond this function.
1556 (expand_call): Free it here.
1558 Thu Jan 7 03:08:17 1999 Richard Henderson <rth@cygnus.com>
1560 * sparc.h (PREFERRED_RELOAD_CLASS): Select GENERAL_REGS for
1561 integer data not destined for fp regs.
1562 (LEGITIMIZE_RELOAD_ADDRESS): New.
1564 Thu Jan 7 03:03:42 1999 Stan Cox <scox@cygnus.com>
1565 Richard Henderson <rth@cygnus.com>
1567 Support for Hypersparc and Sparclite86x:
1568 * sparc.h (TARGET_CPU_hypersparc, TARGET_CPU_sparclite86x): New.
1569 (CPP_CPU32_DEFAULT_SPEC): Fix up for the new targets.
1570 (ASM_CPU32_DEFAULT_SPEC): Likewise.
1571 (TARGET_CPU_DEFAULT): Likewise.
1572 (enum processor_type): Likewise.
1573 (CPP_ENDIAN_SPEC): Handle little endian data.
1574 (LIBGCC2_WORDS_BIG_ENDIAN): Likewise.
1575 (ADJUST_COST): Call sparc_adjust_cost.
1576 * sparc.c (sparc_override_options): Fix up for the new targets.
1577 (supersparc_adjust_cost): Make static.
1578 (hypersparc_adjust_cost): New.
1579 (ultrasparc_adjust_cost): Make static.
1580 (sparc_adjust_cost): New.
1581 * sparc.md (attr cpu): Add hypersparc and sparclite86x.
1582 (function_unit): Add hypersparc scheduling rules.
1584 * configure.in (with_cpu handler): Recognize hypersparc.
1586 Thu Jan 7 23:54:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1588 * config/c4x/c4x.c: Added space after negation operator.
1589 * config/c4x/c4x.h: Likewise.
1590 * config/c4x/c4x.md: Likewise.
1592 Thu Jan 7 23:39:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1594 * config/c4x/c4x.c (c4x_preferred_reload_class): Always return class.
1596 Thu Jan 7 00:29:25 199 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1598 * combine.c (num_sign_bit_copies): In NEG, MULT, DIV and MOD cases,
1599 when a test can't be performed due to limited width of
1600 HOST_BITS_PER_WIDE_INT, use the more conservative approximation.
1601 Fix UDIV case for cases where the first operand has the highest bit
1604 Thu Jan 7 00:01:38 1999 Lutz Vieweg <lkv@mania.robin.de>
1606 * pa.h (reg_class): Add FPUPPER_REGS.
1607 (REG_CLASS_NAMES): Similarly.
1608 (REG_CLASS_CONTENTS): Similarly
1609 (REGNO_REG_CLASS): Handle FPUPPER_REGS.
1610 (FP_REG_CLASS_P): Likewise.
1611 (REG_CLASS_FROM_LETTER): Similarly.
1612 (CLASS_MAX_NREGS): Similarly.
1614 1999-01-06 Brendan Kehoe <brendan@cygnus.com>
1616 * fixincludes: For HP/UX 10.20, also look in curses_colr/curses.h
1617 for a typedef of bool. Make sure to have a copy of the file is
1618 in place before we look to fix it. Fix typo in variable name to
1621 Wed Jan 6 07:51:05 1999 Richard Henderson <rth@cygnus.com>
1623 * expr.c (expand_builtin) [case BUILT_IN_CONSTANT_P]: Use
1624 value_mode for the return mode.
1626 Wed Jan 6 17:55:19 1999 Robert Lipe <robertlipe@usa.net>
1628 * configure.in: New flag --with-dwarf2. If set, enables DWARF-2
1629 debugging as default.
1631 * config/tm-dwarf2.h: New file.
1633 Wed Jan 6 16:08:54 1999 Jeffrey A Law (law@cygnus.com)
1635 * h8300.h (ASM_OUTPUT_LABELREF): Define.
1637 * pa.h (DONT_RECORD_EQUIVALENCE): Kill.
1638 * local-alloc.c (update_equiv_regs): Corresponding changes.
1639 * tm.texi (DONT_RECORD_EQUIVALENCE): Kill.
1641 * calls.c (special_function_p): Push alloca test inside the large
1642 conditional which excludes functions not at file scope or not
1645 * calls.c (special_function_p): New function broken out of
1647 (precompute_register_parameters): Likewise.
1648 (store_one_arg): Likewise.
1649 (store_unaligned_argumetns_into_pseudos): Likewise.
1650 (save_fixed_argument_area): Likewise.
1651 (restore_fixed_argument_area): Likewise.
1652 (expand_call): Corresponding changes.
1654 Wed Jan 6 10:43:29 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1656 * config/m68k/m68k.c (const_uint32_operand): Remove CONSTANT_P_RTX
1658 (const_sint32_operand): Likewise.
1660 Wed Jan 6 09:44:51 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1662 * toplev.h: In addition to checking _JBLEN, also check if `setjmp'
1663 is a macro when deciding if we can use `jmp_buf' in prototypes.
1665 Thu Jan 7 00:12:24 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1667 * config/c4x/c4x.md (addqi3): If the destination operand is
1668 a hard register other than an extended precision register,
1669 emit addqi3_noclobber.
1670 (*addqi3_noclobber_reload): New pattern added so that reload
1671 will recognise a store of a pseudo, equivalent to the sum
1672 of the frame pointer and a constant, as an add insn.
1674 Wed Jan 6 03:18:53 1999 Mark Elbrecht <snowball3@usa.net.
1676 * configure.in (pc-msdosdjgpp): Set x_make to x-go32.
1677 * configure: Rebuilt.
1678 * i386/xm-go32.h: Define LIBSTDCXX.
1680 * i386/go32.h (MD_EXEC_PREFIX): Define.
1681 (FILE_NAME_ABSOLUTE_P): Define.
1682 (LINK_COMMAND_SPEC): Define.
1684 Wed Jan 6 02:23:36 1999 "Charles M. Hannum" <root@ihack.net>
1686 * expr.c (store_expr): If the lhs is a memory location pointed
1687 to be a postincremented (or postdecremented) pointer, always
1688 force the rhs to be evaluated into a pseudo.
1690 Wed Jan 6 00:54:21 1999 Geoff Keating <geoffk@ozemail.com.au>
1692 * real.c (mtherr): Print more reasonable warning messages.
1694 Tue Jan 5 21:57:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1696 * Makefile.in (gcc.o, prefix.o, cccp.o, cpplib.o): Depend on prefix.h.
1698 * cccp.c: Include prefix.h, don't prototype prefix.c functions.
1699 (new_include_prefix): Constify char* parameters.
1701 * cppfiles.c (read_name_map): Likewise.
1702 (append_include_chain): Likewise. Also, use a writable char* copy
1703 of parameter `dir' which we then modify, rather than using the
1704 parameter itself to store the new writable string.
1705 (remap_filename): Constify some variables. Also, use a writable
1706 char* to store an allocated string which we will be modifying.
1708 * cpplib.c: Include prefix.h, don't prototype prefix.c functions.
1709 (cpp_start_read): Constify variable `str'.
1711 * cpplib.h (append_include_chain): Constify a char* parameter.
1713 * gcc.c Include prefix.h, don't prototype prefix.c functions.
1714 (add_prefix, save_string): Constify char* parameters.
1715 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
1717 * prefix.c: Include prefix.h.
1718 (get_key_value, translate_name, save_string, update_path,
1719 set_std_prefix): Constify various char* parameters and variables.
1720 (save_string): Use xmalloc, not malloc.
1721 (translate_name): Use a writable temporary variable to create and
1722 modify a string before setting it to a const char*.
1724 * prefix.h: New file to prototype functions exported from prefix.c.
1726 Mon Jan 4 15:37:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
1728 * cpplib.c (skip_if_group): Split out the logic that handles
1729 directive recognition to its own function. Don't use
1730 parse markers; use a bare pointer into the buffer. Use
1731 copy/skip_rest_of_line instead of doing it by hand. Remove
1732 `return on any directive' mode which was never used, and take
1734 (consider_directive_while_skipping): New function, subroutine
1735 of skip_if_group. Logic streamlined a bit.
1736 (conditional_skip, do_elif, do_else): Call skip_if_group with
1739 Mon Jan 4 15:27:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
1741 * cpplib.c (do_undef): EOF immediately after '#undef FOO' is not an
1744 Mon Jan 4 11:55:51 1999 Jason Merrill <jason@yorick.cygnus.com>
1746 * extend.texi (Bound member functions): Document.
1748 Mon Jan 4 11:01:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1750 * mips-tdump.c (st_to_string, sc_to_string, glevel_to_string,
1751 lang_to_string, type_to_string): Make return type const char*.
1752 (print_symbol): Apply `const' keyword to a char*.
1753 (print_file_desc): Cast structure member `crfd' to ulong when
1754 comparing against one.
1756 * mips-tfile.c (pfatal_with_name): Apply `const' keyword to char*.
1757 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
1758 (progname, input_name): Apply `const' keyword to a char*.
1759 Don't redundantly include sys/stat.h.
1760 (alloc_info): Apply `const' keyword to a char*.
1761 (st_to_string, sc_to_string): Likewise.
1762 (hash_string): Cast variable `hash_string' to a symint_t when
1763 comparing against one.
1764 (add_string): Cast PAGE_USIZE to Ptrdiff_t when comparing against one.
1765 Likewise cast it to long when comparing against one.
1766 (add_local_symbol): Apply `const' keyword to a char*.
1767 (add_ext_symbol): Likewise.
1768 (add_unknown_tag): Likewise.
1769 (add_procedure): Cast a printf-style field width to an int.
1770 (add_file): Cast PAGE_USIZE to long when comparing against one
1771 (parse_begin): Cast a printf-style field width to an int.
1772 (parse_bend): Likewise.
1773 (parse_def): Likewise.
1774 (parse_end): Likewise.
1775 (mark_stabs): Mark parameter `start' with ATTRIBUTE_UNUSED.
1776 (parse_stabs_common): Fix format specifier.
1777 (parse_input): Change type of variable `i' to Size_t.
1778 (write_object): Fix arguments to match format specifiers.
1779 Cast variable `num_write' to long when comparing against one.
1780 (read_seek): Cast variable `sys_read' to symint_t when comparing
1781 against one. Fix arguments to match format specifiers. Cast
1782 variable `size' to long when comparing against one.
1783 (copy_object): Cast result of `sizeof' to int when comparing
1784 against one. Fix arguments to match format specifiers. Cast
1785 variable `ifd' to long when comparing against a signed value.
1788 Mon Jan 4 10:30:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1790 * c-common.c (decl_attributes): Allow applying attribute `unused'
1793 * c-parse.in (label): Parse attributes after a label, and call
1794 `decl_attributes' to handle them.
1796 * gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
1798 * genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
1799 generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
1801 * invoke.texi: Note that labels can be marked `unused'.
1803 Sun Jan 3 23:32:18 PST 1999 Jeff Law (law@cygnus.com)
1805 * version.c: Bump for snapshot.
1807 Sun Jan 3 23:00:42 1999 Jeffrey A Law (law@cygnus.com)
1809 * optabs.c (emit_cmp_and_jump_insns): Use CONSTANT_P canonicalizing
1810 RTL for a compare/jump sequence.
1812 Sun Jan 3 22:58:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1814 * optabs.c (emit_cmp_insn): Abort if asked to emit non-canonical RTL
1815 for a target with HAVE_cc0 defined.
1816 (emit_cmp_and_jump_insns): New function.
1817 * expr.h (emit_cmp_and_jump_insns): Prototype it.
1818 * loop.c (check_dbra_loop): Use it to replace calls
1819 to emit_cmp_insn and emit_jump_insn and to canonicalise
1820 the comparison if necessary.
1821 * unroll.c (unroll_loop): Likewise.
1823 Sun Jan 3 21:01:04 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1825 * fixincludes (sys/utsname.h): Provide forward declaration of
1826 struct utsname on Ultrix V4.[35].
1828 * mips.md (div_trap): Use local labels instead of dot-relative
1831 Sun Jan 3 20:40:34 1999 Jeffrey A Law (law@cygnus.com)
1833 * pa.md (branch, negated branch): Handle (const_int 0) as first
1835 * pa.c (output_cbranch): Likewise.
1837 Sun Jan 3 03:20:38 1999 David Edelsohn <edelsohn@mhpcc.edu>
1839 * rs6000.c (rs6000_stack_info): Undo spurious part of last
1842 1999-01-01 Manfred Hollstein <manfred@s-direktnet.de>
1844 * extend.texi (__builtin_constant_p): Add missing @smallexample.
1846 Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com)
1848 * i386.md (doubleword shifts): Fix dumb mistakes in previous change.
1850 Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com)
1852 * m68k.md (adddi_dilshr32): Allow all operands to be registers too.
1853 (adddi_dishl32): Similarly.
1855 * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers
1856 for each insn in the skipped block.
1858 * reload1.c (reload_as_needed): Verify that the insn satisfies its
1859 constraints after replacing a register address with an autoincrement
1860 address for reload inheritance purposes.
1862 * i386.md (doubleword shifts): Avoid namespace pollution.
1864 Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com>
1866 * configure.in (FreeBSD ELF): Needs special crt files.
1868 Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com>
1870 * i386/xm-cygwin.h: change DIR_SEPARATOR to forward slash.
1872 1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1874 * loop.c (check_dbra_loop): While reversing the loop, if the
1875 comparison value has a VOID mode use the mode of the other operand
1876 to compute the mask.
1878 Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com>
1880 * rs6000.md ({save,restore}_stack_function): Take 2 operands to
1881 avoid warnings in compiling explow.c.
1883 (patch from Ken Raeburn, raeburn@cygnus.com)
1884 * rs6000.c (rs6000_stack_info): Force 8-byte alignment of
1885 fpmem_offset. Compute total size after that, and then
1886 rs6000_fpmem_offset using both values.
1888 Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1890 * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
1891 the future; indeed that already happens in some cases.
1893 Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com>
1895 * sparc.c (input_operand): Recognize (const (constant_p_rtx)).
1896 (arith_operand): Remove constant_p_rtx handling.
1897 (const64_operand, const64_high_operand): Likewise.
1898 (arith11_operand, arith10_operand, arith_double_operand): Likewise.
1899 (arith11_double_operand, arith10_double_operand, small_int): Likewise.
1900 (small_int_or_double, uns_small_int, zero_operand): Likewise.
1901 * sparc.h (PREDICATE_CODES): Likewise.
1903 * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX.
1905 Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>:
1907 * rtl.def (CONSTANT_P_RTX): Clarify commentary.
1908 * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
1909 consider constant CONSTRUCTOR constant and to defer some cases
1911 * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
1912 * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
1914 Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com>
1916 * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
1917 * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
1919 * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling.
1920 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
1921 (sext_add_operand, and_operand, or_operand): Likewise.
1922 (reg_or_cint_operand, some_operand, input_operand): Likewise.
1923 * alpha.h (PREDICATE_CODES): Likewise.
1925 Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com)
1927 * version.c: Bump for snapshot.
1929 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
1931 * gengenrtl.c (gencode): Always use bzero to clear memory instead
1932 of dangerous casts and stores.
1934 * Makefile.in (compare, gnucompare): Add missing else true clauses.
1936 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
1938 * alpha.md (builtin_longjmp): Add missing "DONE".
1940 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
1942 * gcc.c (execute): Enable -pipe with win32.
1944 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
1946 * config/arm/t-arm-elf: Add multiplib option for leading
1949 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
1950 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
1952 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
1953 than variable 'reload_address_base_reg_class'. [Note this
1954 change is unrelated to the others in this patch].
1956 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
1959 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1961 * alias.c (record_alias_subset): Remove ignored `&'.
1962 (init_alias_once): Likewise.
1964 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
1966 * config/mips/mips.c (mips_asm_file_end): Cast the result of
1967 fwrite to `int' when comparing against one.
1969 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
1970 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
1972 * cse.c (rehash_using_reg): Change type of variable `i' to
1975 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
1976 assigning it to one.
1978 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
1980 * final.c (final_scan_insn): Likewise for variable `i'.
1981 (output_asm_insn): Cast a char to unsigned char when used as an
1984 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
1985 assigning it to one.
1987 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
1989 * recog.c (preprocess_constraints): Cast a char to unsigned char
1990 when used as an array index.
1992 * regmove.c (find_matches): Likewise.
1994 * reload1.c (calculate_needs): Add default case in switch.
1995 (eliminate_regs_in_insn): Initialize variable `offset'.
1996 (set_offsets_for_label): Change type of variable `i' to unsigned.
1997 (reload_as_needed): Wrap variable `i' in macro check on
1998 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
2000 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
2001 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
2002 when comparing against one.
2004 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
2005 unsigned when comparing against one. Likewise for
2006 GET_MODE_ALIGNMENT().
2007 (layout_record): Cast record_align to int when comparing against a
2009 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
2012 * tree.c (get_identifier): Cast variable `len' to unsigned when
2013 comparing against one.
2014 (maybe_get_identifier): Likewise
2016 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
2018 * toplev.c (rest_of_compilation): Do not set reload_completed.
2019 * reload1.c (reload): Set reload_completed before calling
2020 cleanup_subreg_operands.
2022 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
2024 * reload1.c (emit_reload_insns): Check `set' not null before use.
2026 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
2028 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
2031 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
2033 * halfpic.c (half_pic_encode): Delete redundant code.
2035 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
2037 * toplev.c (main): Delete handling of -dM as a preprocessor
2040 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
2042 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
2043 -dI, which are handled by the preprocessor.
2045 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
2047 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
2048 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
2050 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
2052 * version.c: Bump for snapshot.
2054 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
2056 * version.c: Bump for snapshot.
2058 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
2060 * version.c: Bump for snapshot.
2062 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2064 * genattr.c (fatal): Qualify a char* with the `const' keyword.
2066 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
2067 write_unit_name, write_eligible_delay, expand_units,
2068 make_length_attrs, write_attr_case, find_attr,
2069 make_internal_attr): Likewise.
2070 * gencheck.c (tree_codes): Likewise.
2071 * gencodes.c (fatal): Likewise.
2072 * genconfig.c (fatal): Likewise.
2073 * genemit.c (fatal): Likewise.
2074 * genextract.c (fatal, walk_rtx, copystr): Likewise.
2075 * genflags.c (fatal): Likewise.
2076 * genopinit.c (fatal, optabs, gen_insn): Likewise.
2077 * genoutput.c (fatal, error, predicates): Likewise.
2078 * genpeep.c (fatal): Likewise.
2079 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
2080 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
2082 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2084 * configure.in (with-fast-fixincludes): Fix whitespace.
2085 * configure: Rebuilt.
2087 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
2088 asm() etc. function declarations in __DECC.
2090 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
2092 * expr.c (emit_move_insn_1): Only emit a clobber if the target
2093 is a pseudo register.
2095 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
2097 * gcse.c: Include expr.h in order to get the prototype for
2098 get_condition() which is used in delete_null_pointer_checks().
2100 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2102 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
2104 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
2106 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
2107 (ALL_CFLAGS): Delete SCHED_CFLAGS.
2109 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
2111 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
2114 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
2116 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
2117 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
2118 optimizations from the combiner.
2120 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2122 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
2124 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
2126 * toplev.c (main): Disable optimize_size if a specific
2127 optimization level is requested. Always set optimization
2128 level to 2 if -Os is specified.
2130 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
2132 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
2134 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
2135 initialize it using fname.
2137 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
2139 * cpplib.c (do_include): Treat #include_next in the
2140 primary source file as #include plus warning. Treat
2141 #include_next in a file included by absolute path as an
2142 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
2144 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2146 * cccp.c: Don't define MIN/MAX anymore.
2147 * cpplib.c: Likewise.
2148 * machmode.h: Likewise.
2149 * system.h: Provide definitions for MIN/MAX.
2151 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2153 * fix-header.c: Don't define xstrdup here.
2155 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2157 * loop.c (consec_sets_giv): New argument last_consec_insn.
2158 (strength_reduce): Provide / use it.
2160 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2162 * loop.h (loop_info): New field 'vtop'.
2163 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
2164 scanning loop for vtop.
2165 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
2166 (loop_iterations): Use them to determine if loop has a constant
2167 number of iterations. Set loop_info->vtop. Don't subtract
2168 common reg term from initial_value and final_value if have a
2171 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
2173 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
2175 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
2177 * mn10200.md (abssf2, negsf2): New expanders.
2179 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
2181 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
2183 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
2184 replaced by a CONCAT whoes components do not have the same
2185 mode as the original SUBREG, use a new SUBREG to restore the
2188 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
2189 multiword complex values.
2191 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
2193 * cppalloc.c: Add xstrdup here.
2194 * cpplib.h: Remove savestring prototype.
2195 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
2197 * cppfiles.c: s/savestring/xstrdup/ throughout.
2199 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
2201 * cpplib.c: Make all directive handlers read their own
2203 (struct directive): Remove last two arguments from FUNC
2204 member prototype. Remove `command_reads_line' member
2206 (directive_table): Remove initializations of
2207 command_reads_line flag. Pretty-print.
2208 (eval_if_expression, do_define, do_line, do_include,
2209 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
2210 do_else, do_elif, do_sccs, do_assert, do_unassert,
2211 do_warning): Take only two args.
2213 (cpp_define): Call do_define with two args and the text to
2214 define stuffed into a buffer.
2215 (make_assertion): Call do_assert with two args.
2216 (handle_directive): Call do_line with two args. Call
2217 kt->func with two args. Remove command_reads_line
2219 (do_define, do_undef, do_error, do_warning, do_pragma,
2220 do_sccs): Read the rest of the line here.
2221 (do_ident): Gobble rest of line, as cccp does.
2222 (cpp_undef): New function.
2223 (cpp_start_read): Call cpp_undef instead of do_undef.
2225 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
2227 * cpphash.h (union hash_value): Remove `keydef' member, add a
2228 `struct hashnode *aschain' member for #assert.
2230 * cpplib.c (struct tokenlist_list, struct
2231 assertion_hashnode): Delete structure definitions.
2232 (assertion_install, assertion_lookup, delete_assertion,
2233 check_assertion, compare_token_lists, reverse_token_list,
2234 read_token_list, free_token_list): Delete functions.
2235 (parse_assertion): New function.
2236 (cpp_cleanup): Don't destroy the assertion_hashtable.
2238 (do_assert): Gut and rewrite. #assert foo (bar) places
2239 entries for `#foo' and `#foo(bar)' in the macro hash table,
2240 type T_ASSERT. The value union's `aschain' member is used
2241 to chain all answers for a given predicate together.
2242 (do_unassert): Also rewritten. Take an un-asserted
2243 answer off the chain from its predicate and call
2244 delete_macro on the hashnode, or walk a predicate chain
2245 calling delete_macro on all the entries.
2246 (cpp_read_check_assertion): Simply call parse_assertion to
2247 get the canonical assertion name, and look that up in the
2250 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
2253 * cpphash.c (install): Use bcopy instead of an explicit loop
2254 to copy the macro name.
2256 * cppexp.c (cpp_lex): Convert the result of
2257 cpp_read_check_assertion to a `struct operation' directly;
2258 don't go through parse_number.
2260 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2262 * loop.h (struct induction): Delete times_used member.
2263 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
2264 (n_times_used): Rename to n_times_set. Changed all users.
2265 (scan_loop): Free reg_single_usage before strength reduction.
2266 (record_giv, combine_givs): Remove handling of times_used member.
2267 (combine_givs_used_once): Rename to:
2268 (combine_givs_used_by_other) . Changed all callers.
2270 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
2272 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
2273 instead of TREE_CODE_CLASS == 't'.
2274 (gen_type_die): Likewise.
2275 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
2277 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
2279 * real.c (endian): Disable last change unless
2280 HOST_BITS_PER_WIDE_INT is greater than 32.
2282 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2284 * output.h (force_data_section): New prototype.
2285 * varasm.c (force_data_section): New function to force the
2286 data section, regardless of what in_section thinks.
2287 * dwarf2out.c (output_call_frame_info): Call force_data_section
2288 since varasm may not realize we've changes sections.
2290 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
2292 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
2293 after completeing reload.
2295 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
2296 deleted after reload.
2298 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
2300 * rtl.h (multiple_sets): Fix prototype.
2301 * rtlanal.c (multiple_sets): Fix return type.
2303 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
2305 * version.c: Bump for snapshot.
2307 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
2309 * version.c: Bump for snapshot.
2311 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
2313 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
2315 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2317 * rtl.h (recompute_reg_usage): Add second argument.
2318 * flow.c (recompute_reg_usage): Likewise.
2319 * toplev.c (rest_of_compilation): Supply second argument to
2320 recompute_reg_usage.
2322 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
2325 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
2327 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
2328 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
2329 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
2332 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
2334 * rtlanal.c (multiple_sets): New function.
2335 * rtl.h (multiple_sets): Declare it.
2336 * local-alloc.c (wipe_dead_reg): Use it.
2337 * global.c (global_conflicts): Likewise.
2339 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
2341 * global.c (record_conflicts): Don't use an array of shorts to
2342 store an array of ints.
2343 (global_conflicts): Likewise.
2345 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
2347 * alpha.c (alpha_expand_block_move): mode_for_size expects
2348 bits, not bytes. Infer extra alignment from addressof.
2350 1998-12-11 Michael Meissner <meissner@cygnus.com>
2352 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
2353 .sbss section, not .sdata.
2355 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
2357 * cccp.c: Do not #include <sys/stat.h> here; this is already done
2359 * collect2.c: Likewise.
2360 * cpplib.h: Likewise.
2363 * getpwd.c: Likewise.
2364 * protoize.c: Likewise.
2365 * toplev.c: Likewise.
2367 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
2368 and don't try to define it here.
2369 * Makefile.in (cppmain.o): Depend on machmode.h.
2370 (cpplib.o): Likewise.
2371 (cpperror.o): Likewise.
2372 (cppexp.o): Likewise.
2373 (cppfiles.o): Likewise.
2374 (cpphash.o): Likewise.
2375 (cppalloc.o): Likewise.
2376 (fix-header.o): Likewise.
2377 (scan-decls.o): Likewise.
2379 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
2381 * sh.c (print_operand): lookup interrupt_handler attribute instead
2382 of relying on static variable.
2383 * (calc_live_regs): Likewise.
2384 * (sh_pragma_insert_attributes): Create interrupt_handler
2385 attribute if a pragma was specified
2386 * (sh_valid_machine_decl_attribute): Don't set static flag.
2387 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
2389 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2391 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
2392 to determine if a register is live at a jump destination.
2393 Everything is dead at a BARRIER.
2395 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
2397 * cse.c (simplify_unary_operation): Sign-extend constants when
2398 they have the most significant bit set for the target.
2399 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
2401 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
2402 HOST_WIDE_INT temporary before negating it.
2403 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
2405 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
2407 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
2410 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2412 * collect2.h: New header file for prototypes.
2414 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
2416 * collect2.c: Include collect2.h.
2417 * tlink.c: Likewise.
2419 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
2421 * flow.c: Update some comments.
2423 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
2425 * objc/objc-act.c (cpp_initialized): Removed.
2426 (lang_init_options): Initialize cpplib.
2427 (lang_decode_option): Move initialization of cpplib to
2429 * c-lang.c: (parse_options,parse_in): Added.
2430 (lang_init_options): Initialized cpplib here.
2431 * c-decl.c (parse_options,cpp_initialized): Removed.
2432 (c_decode_option): Move initialization of cpplib to
2435 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2437 * reload1.c (reload_combine, reload_combine_note_store):
2438 Make STORE_RUID always valid.
2439 (reload_combine): Check if BASE is clobbered too early.
2441 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
2443 * reload.c (find_reloads): Display the insn that cannot be
2446 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
2448 * cccp.c (create_definition): Fix end of bufer logic.
2450 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2452 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
2453 pointer parameters changed to use the PARAMS() macro.
2455 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2457 * except.h (struct handler_info): Add handler_number field.
2458 * except.c (gen_exception_label): EH labels no longer need to be
2459 on the permanent obstack.
2460 (get_new_handler): Set the label number field.
2461 (output_exception_table_entry): Regenerate handler label reference
2462 from the label number field.
2463 (init_eh): Remove a blank line.
2464 * integrate.c (get_label_from_map): Labels no longer need to be
2465 on the permanent obstack.
2467 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
2469 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
2470 only when OUTER_CODE is SET.
2472 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2474 * loop.c (strength_reduce): If scan_start points to the loop exit
2475 test, be wary of subversive use of gotos inside expression statements.
2476 Don't set maybe_multiple for a backward jump that does not
2477 include the label under consideration into its range.
2478 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
2480 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2482 * explow.c (plus_constant_wide): Don't immediately return with
2483 result of recursive call.
2485 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2487 * eh-common.h (struct eh_context): Add table_index for rethrows.
2489 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
2490 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
2491 processed when inlined or unrolled (ie duplicated in some way).
2493 * rtl.c (reg_note_name): Add strings for new reg_note enums.
2495 * expr.h (rethrow_libfunc): New library decl.
2497 * optabs.c (rethrow_libfunc): Initialize.
2499 * except.h (struct eh_entry): Add new field 'rethrow_label'.
2500 (new_eh_region_entry): No longer exported from except.c.
2501 (duplicate_handlers): Renamed to duplicate_eh_handlers and
2502 different prototype.
2503 (rethrow_symbol_map, rethrow_used): New exported functions.
2504 (eh_region_from_symbol): New exported function.
2506 * except.c (create_rethrow_ref): New function to create a single
2507 SYMBOL_REF for a rethrow region.
2508 (push_eh_entry): Initialize a rethrow ref.
2509 (func_eh_entry): Add a rethrow_label field.
2510 (new_eh_region_entry): Make static, and initialize the rethrow entry.
2511 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
2512 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
2513 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
2514 a region into an appropriate new symbol.
2515 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
2516 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
2517 (end_catch_handler): Emit a barrier for new-exceptions since
2518 control can never drop through the end of a catch block.
2519 (expand_end_all_catch): new-exceptions never fall through a catch
2521 (expand_rethrow): use __rethrow routine for new exceptions.
2522 (output_exception_table_entry): Generate rethrow labels, if needed.
2523 (output_exception_table): Generate start and end rethrow labels.
2524 (init_eh): Create rethrow symbols for beginning and end of table.
2525 (scan_region): Don't eliminate EH regions which are the targets of
2528 * flow.c (make_edges): Add different edges for rethrow calls,
2529 identified by having the REG_EH_RETHROW reg label.
2530 (delete_unreachable_blocks): Don't delete regions markers which are
2531 the target of a rethrow.
2533 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
2534 allow save_for_inline_copying to call duplicate_eh_handlers.
2535 (save_for_inline_copying): Call duplicate_eh_handlers instead of
2536 exposing internal details of exception regions.
2537 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
2538 (expand_inline_function_eh_labelmap): New callback routine to
2539 allow expand_inline_function to call duplicate_eh_handlers.
2540 (expand_inline_function): Call duplicate_eh_handlers instead of
2541 exposing internal details of exception regions.
2542 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
2545 * libgcc2.c (find_exception_handler): Generalize to enable it to
2546 pick up processing where it left off last time for a rethrow.
2547 (__unwinding_cleanup): New function. debug hook which is called before
2548 unwinding when __throw finds there is nothing but cleanups left.
2549 (throw_helper): Common parts of __throw extracted out for reuse.
2550 (__throw): Common parts moved to throw_helper.
2551 (__rethrow): New function for performing rethrows.
2553 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
2555 * reload1.c (current_function_decl): Tweak declaration.
2557 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
2559 * c-decl.c (flag_isoc9x): Default off.
2560 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
2561 * cccp.c (print_help, main): Likewise.
2562 * gcc.c (default_compilers): Update for -std=gnu*.
2564 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
2566 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
2567 * demangle.h: Deleted.
2569 * reload1.c (current_function_decl): Declare.
2571 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2573 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
2575 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2577 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
2579 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
2581 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
2583 * configure: Rebuilt.
2584 * system.h: If the *_unlocked functions are available use them
2585 instead of the locked counterparts by defining macros.
2586 * config.in: Regenerated.
2588 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
2590 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
2591 wrong and should only be used for dump related things, not
2592 debugging information, instead main_input_filename should be used.
2593 Also, reuse output_file_directive if possible.
2594 * i386/aix386ng.h (ASM_FILE_START): Likewise.
2595 * i386/isc.h (ASM_FILE_START): Likewise.
2596 * i386/win-nt.h (ASM_FILE_START): Likewise.
2597 * i386/sun386.h (ASM_FILE_START): Likewise.
2599 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
2601 * configure.in (mips*-*-linux*): Handle big and little endian
2603 * configure: Rebuilt.
2605 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
2607 * emit-rtl.c: Fix typo.
2609 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
2611 * reload1.c (eliminate_regs): Don't do anything, if we're not
2614 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
2616 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
2618 * mips/mips.c (mips_select_section): Add comment.
2620 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
2622 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
2623 characters in file names in #line to be consistent with #include
2624 handling. We support escape prcessing in the # 1 "..." version of
2625 the command. See also support in cp/lex.c.
2626 (handle_directive): Likewise.
2627 (do_line): Likewise.
2629 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
2631 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
2632 so it'll work on non-ASCII platforms. Always consider $ an
2633 identifier character. Take no arguments.
2634 (cpp_reader_init): Call initialize_char_syntax with no
2636 (cpp_start_read): Don't call initialize_char_syntax again.
2637 Clear is_idchar['$'] and is_idstart['$'] if not
2638 opts->dollars_in_ident.
2640 * cpplib.h (struct cpp_reader): Replace void *data element by
2641 cpp_options *opts. Rearrange elements to make gdb printout
2642 less annoying (put buffer stack at end).
2643 (CPP_OPTIONS): Get rid of now-unnecessary cast.
2645 * cppmain.c: s/data/opts/ when initializing cpp_reader
2647 * c-decl.c: Likewise.
2648 * objc/objc-act.c: Likewise.
2649 * fix-header.c: Likewise.
2651 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
2653 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
2654 with a struct file_name_list pointer.
2655 (struct cpp_reader): Add pointer to chain of `actual
2656 directory' include searchpath entries.
2657 (struct file_name_list): Add *alloc pointer for the sake of
2658 the actual-directory chain.
2660 Move definition of HOST_WIDE_INT here.
2661 (cpp_parse_escape): Change prototype to match changes in
2664 * cppfiles.c (actual_directory): New function.
2665 (finclude): Use it to initialize the buffer's actual_dir
2667 (find_include_file): We don't need to fix up max_include_len
2670 * cpplib.c (do_include): Don't allocate a file_name_list on
2671 the fly for current directory "" includes, use the one that's
2672 been preallocated in pfile->buffer->actual_dir. Hoist out
2673 duplicate code from the search_start selection logic.
2674 (cpp_reader_init): Initialize pfile->actual_dirs.
2676 Remove definition of HOST_WIDE_INT. Change calls
2677 to cpp_parse_escape to match changes in cppexp.c (note
2678 hardcoded MASK, which is safe since this is the source
2681 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
2682 to handle wide character constants in #if directives. The
2683 function now returns a HOST_WIDE_INT, and takes a third
2684 argument which is a binary mask for all legal values (0x00ff
2685 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
2686 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
2687 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
2689 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
2691 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
2693 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2695 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
2696 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
2697 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
2699 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
2701 * final.c (output_asm_name): Use tabs to seperate comments from
2704 Include instruction lengths (if defined) in output.
2706 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2708 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
2709 in the loop_info structure.
2711 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
2713 * configure.in: (arm*-*-ecos-elf): New target.
2714 * configure: Regenerated.
2715 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
2716 * config/arm/ecos-elf.h: New file.
2717 * config/arm/unknown-elf.h (TARGET_VERSION): Check
2720 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2722 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
2724 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
2726 * version.c: Bump for snapshot.
2728 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2730 * loop.c (check_dbra_loop): New argument loop_info. Update fields
2733 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
2735 * version.c: Bump for snapshot.
2737 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2739 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
2740 compressed reports are ok and preferred over URLs
2742 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2744 * invoke.texi (Warning Options): Soften the tone of -pedantic
2746 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
2748 * print-rtl.c (print_rtx): Add prototype.
2750 * unroll.c (iteration_info): Make it static.
2752 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
2754 * alias.c (memrefs_conflict_p): A second ANDed address
2755 disables the aligned address optimization.
2757 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
2759 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
2762 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
2764 * i960.h (BOOL_TYPE_SIZE): Define.
2766 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2768 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
2769 from old valid_parallel_operands_4.
2770 (valid_parallel_operands_4): Check that operands for 4 operand
2771 parallel insns are valid, excluding load/store insns.
2772 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
2773 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
2774 valid_parallel_load_store instead of valid_parallel_operands_4.
2775 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
2776 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
2777 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
2778 *notqi_movqi_clobber): Use valid_parallel_operands_4.
2779 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
2780 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
2781 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
2783 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2785 * config/c4x/c4x.c (iteration_info): Delete extern.
2787 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2789 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
2791 * final.c (cleanup_subreg_operands): Delete some unused code.
2793 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
2794 (struct insn_alternative): New structure definition.
2795 (recog_op_alt): Declare variable.
2796 (preprocess_constraints): Declare function.
2797 * recog.c (recog_op_alt): New variable.
2798 (extract_insn): Verify number of alternatives is in range.
2799 (preprocess_constraints): New function.
2800 * reg-stack.c: Include recog.h.
2801 (constrain_asm_operands): Delete.
2802 (get_asm_operand_lengths): Delete.
2803 (get_asm_operand_n_inputs): New function.
2804 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
2805 N_OUTPUTS args. All callers changed.
2806 Compute number of inputs and outputs here by calling
2807 get_asm_operand_n_inputs.
2808 Instead of constrain_asm_operands, call extract_insn,
2809 constrain_operands and preprocess_constaints. Use information
2810 computed by these functions throughout.
2811 (record_reg_life): Delete code that is unused due to changes in
2812 record_asm_reg_life.
2813 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
2814 N_INPUTS and N_OUTPUTS args. All callers changed.
2815 Similar changes as in record_asm_reg_life.
2816 (subst_stack_regs): Move n_operands declaration into the if statement
2818 Delete code that is unused due to changes in subst_asm_stack_regs.
2819 * stmt.c (expand_asm_operands): Verify number of alternatives is in
2821 * Makefile.in (reg-stack.o): Depend on recog.h.
2823 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
2825 * except.c (set_exception_version_code): Argument is an "int".
2827 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
2829 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
2830 * configure: Rebuilt.
2832 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
2834 * configure.in (mipsel-*-linux*): New target.
2835 * mips/linux.h: New file, based on other Linux targets.
2837 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
2839 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
2840 runs in the context of the deleter, not the deletee, so we must
2841 use taskVarGet to find the correct memory to free.
2842 (__gthread_key_create): Initialize the task
2843 variable subsystem so that the task variable is still active when
2844 the delete hook is run.
2846 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
2848 * pdp11.h: Use optimize_size for space optimizations.
2849 * pdp11.c: Likewise.
2850 * pdp11.md: Likewise.
2852 * pdp11.h (TARGET_40_PLUS): Fix typo.
2854 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
2856 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
2859 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2861 * alias.c (addr_side_effect_eval): New function.
2862 (memrefs_conflict_p): Use it.
2863 * rtl.h (addr_side_effect_eval): Prototype it.
2865 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
2867 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
2869 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
2871 * reload.c (find_reloads): When force const to memory, put result
2872 in substed_operand not *recog_operand_loc.
2874 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
2876 * c-lex.c: Fix indentation from last patch.
2877 Remove trailing whitespace.
2880 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
2882 * flow.c (delete_block): Call set_last_insn after we have reset
2883 NEXT_INSN (kept_tail).
2885 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
2887 * mips.md (trap_if): Use "$0" for the value zero.
2889 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
2890 Stephen L Moshier <moshier@world.std.com>
2891 Richard Henderson <rth@cygnus.com>
2893 * c-common.c (declare_function_name): Declare predefinied variable
2896 * c-decl.c (flag_isoc9x): Set to 1 by default.
2897 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
2898 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
2900 * c-parse.in: Allow constructors in ISO C 9x.
2901 Rewrite designator list handling.
2902 Allow [*] parameters.
2903 Don't warn about comma at end of enum definition for ISO C 9x.
2905 * cccp.c (c9x): New variable.
2906 (rest_extension): New variable.
2907 (print_help): Document new -std= option.
2908 (main): Recognize -std= option. Set c9x appropriately.
2909 (create_definition): Recognize ISO C 9x vararg macros.
2911 * gcc.c (default_compilers): Adjust specs for -std options.
2912 (option_map): Add --std.
2913 (display_help): Document -std.
2915 * toplev.c (documented_lang_options): Add -std and remove
2918 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
2919 or REAL_VALUE_HTOF based on base of the constants.
2920 * fold-const.c (real_hex_to_f): New function. Replacement function
2921 for hex FP conversion if REAL_ARITHMETIC is not defined.
2922 * real.c (asctoeg): Add handling of hex FP constants.
2923 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
2926 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
2928 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
2929 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
2930 expansion. Use hi/lo as destination register.
2932 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
2933 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
2934 Avoid as macro expansion. Use hi/lo as destination register.
2936 * mips.h (MASK_CHECK_RANGE_DIV): New.
2937 (MASK_NO_CHECK_ZERO_DIV): New.
2938 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
2939 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
2940 return address for leaf functions out of r31 to support
2941 builtin_return_address.
2943 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2945 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
2946 NEXT_INSN(x) to check insn x.
2948 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
2950 * flow.c (delete_block): Call set_last_insn if we end up deleting the
2951 last insn in the rtl chain.
2953 * reload1.c (reload): Do not set reload_completed or split insns
2955 * toplev.c (rest_of_compilation): Set reload_completed after
2956 reload returns. Split insns after reload_cse has run.
2958 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
2960 * final.c (final_scan_insn): Abort if block_depth falls below 0.
2962 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
2964 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
2966 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
2968 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
2969 use of user-label_prefix.
2971 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2973 * reload1.c (emit_reload_insns): Clear spill_reg_store
2974 when doing a new non-inherited reload from the same pseudo.
2976 * local-alloc.c (function_invariant_p): New function.
2977 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
2978 to decide if an equivalence should be recorded.
2979 * reload1.c (num_eliminable_invariants): New static variable.
2980 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
2981 to decide if an equivalence should be recorded.
2983 (calculate_needs_all_insns): Skip insns that only set an equivalence.
2984 Take num_eliminable_invariants into account when deciding
2985 if register elimination should be done.
2986 (reload_as_needed): Take num_eliminable_invariants into account
2987 when deciding if register elimination should be done.
2988 (eliminate_regs): Handle non-constant reg_equiv_constant.
2989 * rtl.h (function_invariant_p): Declare.
2991 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
2993 * version.c: Bump for snapshot.
2995 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
2997 * version.c: Bump for snapshot.
2999 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
3001 * except.c (add_new_handler): Complain about additional handlers
3002 after one that catches everything.
3004 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
3006 * configure.in (alpha*-*-netbsd): Fix typo.
3007 * configure: Rebuilt.
3009 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3011 * system.h: Include libiberty.h.
3013 * c-aux-info.c: Remove prototypes for concat/concat3. Change
3014 function `concat' from fixed parameters to variable parameters,
3015 as is done in libiberty. All callers of concat/concat3
3016 changed to use the new `concat' with variable args.
3018 * cccp.c: Remove things made redundant by libiberty.h and/or
3019 conform to libiberty standards.
3021 * collect2.c: Likewise.
3022 * config/1750a/1750a.h: Likewise.
3023 * cppalloc.c: Likewise.
3024 * cppexp.c: Likewise.
3025 * cppfiles.c: Likewise.
3026 * cpphash.c: Likewise.
3027 * cpplib.c: Likewise.
3028 * dyn-string.c: Likewise.
3029 * fix-header.c: Likewise.
3032 * genattr.c: Likewise.
3033 * genattrtab.c: Likewise.
3034 * gencheck.c: Likewise.
3035 * gencodes.c: Likewise.
3036 * genconfig.c: Likewise.
3037 * genemit.c: Likewise.
3038 * genextract.c: Likewise.
3039 * genflags.c: Likewise.
3040 * gengenrtl.c: Likewise.
3041 * genopinit.c: Likewise.
3042 * genoutput.c: Likewise.
3043 * genpeep.c: Likewise.
3044 * genrecog.c: Likewise.
3045 * getpwd.c: Likewise.
3046 * halfpic.c: Likewise.
3048 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
3049 in NEED_DECLARATION_* macros.
3051 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
3052 conform to libiberty standards.
3053 (fatal): Fix const-ification of variable `format' in
3054 !ANSI_PROTOTYPES case.
3056 * prefix.c: Remove things made redundant by libiberty.h and/or
3057 conform to libiberty standards.
3059 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
3060 conflicting with function `spaces' from libiberty.
3062 * profile.c: Remove things made redundant by libiberty.h and/or
3063 conform to libiberty standards.
3064 * protoize.c: Likewise.
3067 * tlink.c: Likewise.
3068 * toplev.c: Likewise.
3069 * toplev.h: Likewise.
3072 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3074 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
3076 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3078 * README.C4X: Updated URLs.
3079 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
3080 (valid_parallel_operands_5): Remove unused variable.
3082 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3084 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
3086 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
3088 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
3089 which can be configured.
3090 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
3091 (Makefile): Pass actual LANGUAGES through the environment when
3093 (cstamp-h): Likewise.
3094 (config.status): Likewise.
3096 * configure.in (enable_languages): Add new configuration parameter
3097 "--enable-languages=lang1,lang2,...".
3098 (${srcdir}/*/config-lang.in): Change handling to configure only
3099 those directories, that the user might have enabled; default to
3100 "all" existing languages.
3101 * configure: Regenerate.
3103 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
3105 * rtlanal.c (regs_set_between_p): New function.
3106 * rtl.h (regs_set_between_p): Prototype it.
3107 * jump.c (jump_optimize): Use it instead of modified_between_p
3108 in the Sep 2 change.
3110 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
3111 Matthias Pfaller <leo@dachau.marco.de>
3113 * invoke.texi (Option Summary, NS32K Options): add description
3114 of NS32K specific options.
3116 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
3117 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
3118 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
3119 negdf2, absdf2): Use l instead of f since the double class and
3120 float class are no longer the same.
3121 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
3122 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
3123 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
3124 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
3126 (cmpsi, cmphi, cmpqi): use general_operand instead of
3127 non_immediate_operand. Removes erroneous assumption that can't
3129 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
3130 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
3132 (movstrsi, movstrsi1, movstrsi2): completely new block move
3134 (...): Patterns to exploit multiply-add instructions.
3135 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
3136 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
3137 patterns to exploit extended divide insns.
3138 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
3141 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
3142 float return values as well as simple scalar floats.
3143 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
3144 support new flag to denote 32381 fpu.
3145 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
3146 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
3148 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
3149 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
3150 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
3151 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
3152 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
3153 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
3154 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
3155 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
3156 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
3157 fpu registers and special register classes for new 32381
3158 instructions dotf and polyf.
3159 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
3161 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
3162 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
3164 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
3165 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
3166 (REGISTER_MOVE_COST): move code to register_move_cost function for
3167 ease of coding and debugging.
3168 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
3169 LONG_FLOAT_REGO is likely spilled but not caught by default
3171 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
3172 instead of hard coded numbers in range check.
3173 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
3174 (...): Add prototypes for functions in ns32k.c but disable because
3175 of problems when ns32k.h is included in machine independant files.
3177 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
3178 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
3179 hard_regno_mode_ok, secondary_reload_class,
3180 print_operand, print_operand_address): new register scheme to
3181 include 32381 fpu registers and special register classes for new
3182 32381 instructions dotf and polyf.
3183 (gen_indexed_expr): Make static to keep namespace clean.
3184 (check_reg): remove since never called.
3185 (move_tail, expand_block_move): helper functions for "movstrsi"
3187 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
3188 Increase cost of moves which go via memory.
3189 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
3190 (CPP_PREDEFINES): nolonger predefine "unix".
3192 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
3193 Remove erroneous %$. print_operand() can work out from the rtx is
3194 an immediate prefix is required.
3196 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
3197 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
3198 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
3200 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
3203 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
3204 Correct handling of pic operands.
3205 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
3206 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
3207 -mrtd calling convention.
3209 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
3211 * gcc.c (option_map): Recognize --output-class-directory.
3213 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3215 * loop.h (precondition_loop_p): Added new mode argument.
3216 * unroll.c (precondition_loop_p): Likewise.
3217 (approx_final_value): Function deleted and subsumed
3218 into loop_iterations.
3219 (loop_find_equiv_value): New function.
3220 (loop_iterations): Use loop_find_equiv_value to find increments
3221 too large to be immediate constants. Also use it to find terms
3222 common to initial and final iteration values that can be removed.
3224 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3226 * loop.h (struct loop_info): Define new structure.
3227 (precondition_loop_p): Added prototype.
3228 (unroll_loop): Added new argument loop_info to prototype.
3229 (final_biv_value, final_giv_value): Added new argument n_iterations
3231 * loop.c (strength_reduce): Declare new structure loop_iteration_info
3232 and new pointer loop_info.
3233 (loop_n_iterations): Replace global variable by element in
3234 loop_info structure.
3235 (check_final_value): New argument n_iterations.
3236 (insert_bct): New argument loop_info.
3237 (loop_unroll_factor): Replace global array by element in
3238 loop_info structure.
3239 (loop_optimize): Remove code to allocate and initialise
3240 loop_unroll_factor_array.
3241 * unroll.c (precondition_loop_p): No longer static since
3242 used by branch on count optimization.
3243 (precondition_loop_p, unroll_loop): New argument loop_info.
3244 (final_biv_value, final_giv_value, find_splittable_regs): New
3245 argument n_iterations.
3246 (loop_iteration_var, loop_initial_value, loop_increment,
3247 loop_final_value, loop_comparison_code, loop_unroll_factor):
3248 Replaced global variables by loop_info structure.
3249 (loop_unroll_factor): Replace global array by element in
3250 loop_info structure.
3252 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3254 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
3257 * unroll.c (precondition_loop_p): Return loop_initial_value
3258 for initial_value instead of loop_iteration_var.
3260 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3262 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
3263 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
3264 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
3265 to output the instruction sequences.
3267 (rptb_top): Provide alternatives to use any register or memory
3269 (rptb_end): Emit use of operands rather than assigning them
3270 explicitly to the RS and RE registers.
3272 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3274 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
3275 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
3276 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
3277 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
3278 c4x_merge_notes, c4x_parallel_process,
3279 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
3280 c4x_combine_parallel): Delete.
3282 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3284 * config/c4x/c4x.c: (c4x_override_options): For compatibility
3285 with old target options clear flag_branch_on_count_reg if
3286 -mno-rptb specified and set flag_argument_alias is -mno-aliases
3288 (c4x_output_cbranch): Handle a sequence of insns rather than a
3290 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
3291 has not been allocated as the loop counter.
3292 (c4x_address_conflict): Do not allow two volatile memory references.
3293 (valid_parallel_operands_4, valid_parallel_operands_5,
3294 valid_parallel_operands_6): Reject pattern if the register destination
3295 of the first set is used as part of an address in the second set.
3297 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3299 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
3300 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
3301 is no longer enabled if PARALLEL_MPY_FLAG set.
3302 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
3303 (REG_CLASS_CONTENTS): Add braces around initializers.
3304 (HAVE_MULTIPLE_PACK): Define.
3305 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
3306 REAL_VALUE_TO_DECIMAL.
3307 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
3308 REAL_VALUE_TO_DECIMAL.
3309 (ar0_reg_operand): Add prototype.
3310 (ar0_mem_operand): Likewise.
3311 (ar1_reg_operand): Likewise.
3312 (ar1_mem_operand): Likewise.
3313 (ar2_reg_operand): Likewise.
3314 (ar2_mem_operand): Likewise.
3315 (ar3_reg_operand): Likewise.
3316 (ar3_mem_operand): Likewise.
3317 (ar4_reg_operand): Likewise.
3318 (ar4_mem_operand): Likewise.
3319 (ar5_reg_operand): Likewise.
3320 (ar5_mem_operand): Likewise.
3321 (ar6_reg_operand): Likewise.
3322 (ar6_mem_operand): Likewise.
3323 (ar7_reg_operand): Likewise.
3324 (ar7_mem_operand): Likewise.
3325 (ir0_reg_operand): Likewise.
3326 (ir0_mem_operand): Likewise.
3327 (ir1_reg_operand): Likewise.
3328 (ir1_mem_operand): Likewise.
3329 (group1_reg_operand): Likewise.
3330 (group1_mem_operand): Likewise.
3331 (ir1_reg_operand): Likewise.
3332 (arx_reg_operand): Likewise.
3333 (not_rc_reg): Likewise.
3334 (not_modify_reg): Likewise.
3335 (c4x_group1_reg_operand): Remove prototype.
3336 (c4x_group1_mem_operand): Likewise.
3337 (c4x_arx_reg_operand): Likewise.
3339 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
3341 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
3342 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
3344 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3346 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
3349 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3351 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
3352 unless FMOVD_WORKS is defined.
3354 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3356 * regclass.c (init_reg_sets): Move code that calculates tables
3357 dependent on reg_class_contents from here...
3358 (init_reg_sets_1): To here.
3360 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
3362 * cpplib.h: Delete struct import_file. Add ihash element to
3363 struct cpp_buffer. Delete dont_repeat_files and
3364 import_hash_table elements from cpp_reader; change
3365 all_include_files to a hash table. Delete all foobar_include
3366 / last_foobar_include elements from struct cpp_options; put
3367 back four such: quote_include, bracket_include,
3368 system_include, after_include. Redo struct file_name_list
3369 completely. Add new structure type include_hash. Add
3370 prototypes for merge_include_chains and include_hash. Change
3371 prototypes for finclude, find_include_file, and
3372 append_include_chain to match changes below.
3374 * cppfiles.c (simplify_pathname, include_hash,
3375 remap_filename, merge_include_chains): New functions.
3376 (add_import, lookup_import, open_include_file): Removed.
3377 (INO_T_EQ): Define this (copied from cccp.c).
3378 (hack_vms_include_specification): Remove all calls and #if 0
3379 out the definition. It was being called incorrectly and at
3380 the wrong times. Until a VMSie can look at this, it's better
3381 to not pretend to support it.
3382 (append_include_chain): Change calling convention; now takes
3383 only one directory at a time, and sets up the data structure
3385 (redundant_include_p): Rewritten - this is now used for all
3386 include redundancy, whether by #ifndef, #import, or #pragma
3387 once. Looks up things in the include hash table.
3388 (file_cleanup): Decrement pfile->system_include_depth here if
3390 (find_include_file): Calling convention changed; now passes
3391 around a struct include_hash instead of 3 separate parameters.
3392 Guts ripped out and replaced with new include_hash mechanism.
3393 (finclude): Calling convention changed as for
3394 find_include_file. Error exits pulled out-of-line. Reformat.
3395 (safe_read): Return a long, not an int.
3396 (deps_output): Don't recurse.
3398 * cpplib.c (is_system_include): Deleted.
3399 (path_include): Fix up call to append_include_chain.
3400 (do_include): Fix up calls to find_include_file and finclude.
3401 Clean up dependency output a bit. Shorten obnoxiously lengthy
3402 #import warning message. Don't decrement
3403 pfile->system_include_depth here.
3404 (do_pragma): Understand the include_hash structure. Reformat.
3405 (do_endif): Correct handling of control macros. Understand
3407 (cpp_start_read): Fix up calls to finclude. Call
3408 merge_include_chains.
3409 (cpp_handle_option): Fix up calls to append_include_chain.
3410 Understand the four partial include chains.
3411 (cpp_finish): Add debugging code (#if 0-ed out) for the
3413 (cpp_cleanup): Free the include_hash, not the import hash and
3414 the all_include and dont_repeat lists which no longer exist.
3416 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
3418 * toplev.c (no_new_pseudos): Define.
3419 (rest_of_compilation): Set no_new_pseudos as needed.
3420 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
3421 if no_new_pseudos is set.
3422 * rtl.h (no_new_pseudos): Declare it.
3423 * reload1.c (reload): Update comments.
3424 * md.texi: Corresponding changes.
3426 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3428 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
3429 (choose_reload_regs): Rename it here as well. When computing it,
3430 also merge in used hardregs.
3432 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3434 * gcc.c: Split out Objective-C specs to...
3435 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
3438 * c-lex.c (init_parse): Always initialize the filename global.
3439 * objc/objc-act.c (lang_init): Always call check_newline at
3442 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
3444 * reload1.c (reload): Remove unused variable.
3445 (reload_reg_free_for_value_p): Add missing parameter definition.
3447 * jump.c (jump_optimize): Remove unused variable.
3449 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
3451 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
3453 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
3455 * expr.c (move_by_pieces): Similarly.
3456 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
3457 * flow.c (find_auto_inc): Similarly.
3458 (try_pre_increment): Similarly.
3459 * loop.c (strength_reduce): Similarly.
3460 * regclass.c (auto_inc_dec_reg_p): Similarly.
3461 * regmove.c (try_auto_increment): Similarly.
3462 (fixup_match_1): Similarly.
3463 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
3464 (HAVE_PRE_DECREMENT): Similarly.
3465 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
3466 * Corresponding changes to all target header files.
3467 * tm.texi: Update docs for autoinc addressing modes.
3469 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
3471 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
3472 * configure: Rebuild.
3473 * config/elfos.h: New file.
3474 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
3475 config/m68k/t-m68kelf: New file.
3477 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
3479 * Makefile.in (HOST_AR): Define.
3480 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
3481 (libcpp.a): Use the host tools explicitly.
3482 (STAGESTUFF): Add libcpp.a.
3484 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
3486 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
3487 to source and destination registers.
3489 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
3491 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
3492 The strategy we now use is to pre allocate the top_elt along
3493 with the EH context so that each thread has its own top_elt.
3494 This is necessary as the dynmanic cleanup chain is used on the
3495 top element of the stack and each thread MUST have its own.
3496 (eh_context_static): Likewise.
3497 (new_eh_context): Likewise.
3498 (__sjthrow): Likewise.
3500 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
3502 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
3503 * i386.md (prologue_get_pc): Remove unused variable.
3505 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
3507 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
3509 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
3511 * Makefile.in (OBJS): Add graph.o
3512 (graph.o): New dependency list.
3513 * flags.h: Declare dump_for_graph and define graph_dump_types type.
3514 * print-rtl.c (dump_for_graph): Define new variable.
3515 (print_rtx): Rewrite to allow use in graph dumping functions.
3516 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
3517 finish_graph_dump_file.
3518 Define graph_dump_format.
3519 (compile_file): If graph dumping is enabled also clear these files.
3520 Finish graph dump files.
3521 (rest_of_compilation): Also dump graph information if enabled.
3522 (main): Recognize -dv to enabled VCG based graph dumping.
3523 * graph.c: New file. Graph dumping functions.
3525 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
3527 * configure.in: Look for <sys/stat.h>.
3528 * system.h: Include it before substitute S_ISREG definitions.
3530 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
3532 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
3533 * config/mips/iris6.h: Same.
3534 * config/mips/mips.md: Same.
3535 * config/mips/mips.c: Same; also add "-mabi=o64" option.
3536 * config/mips/mips.h: Same; also define ABI_O64.
3538 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3540 * configure.in: Use AC_PREREQ(2.12.1).
3542 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
3544 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
3545 * cpplib.c, gcc.c: Likewise.
3546 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
3548 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
3550 * local-alloc.c (local_alloc): Use malloc not alloca for
3551 reg_qty, reg_offset, ref_next_in_qty.
3553 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3555 * caller-save.c (insert_one_insn): Initialize the live_before and
3556 live_after register sets.
3560 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
3561 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
3562 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
3563 (fp_reg_names, assembler_dialect): New variables.
3564 (print_operand_address): Handle SUBREGs.
3565 (print_operand): Added 'o' case.
3566 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
3567 Name of FP registers depends on mode.
3568 (expand_block_move): Emit different code for SH4 hardware.
3569 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
3570 (from_compare): Likewise.
3571 (add_constant): New argument last_value. Changed all callers.
3572 (find_barrier): Don't try HImode load for FPUL_REG.
3573 (machine_dependent_reorg): Likewise.
3574 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
3575 (gen_far_branch): Emit a barrier after the new jump.
3576 (barrier_align): Don't trust instruction lengths before
3578 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
3579 Use auto-inc addressing for fp registers if doubles need to
3580 be loaded in two steps.
3581 Set sh_flag_remove_dead_before_cse.
3582 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
3583 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
3584 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
3585 Support for FIRST_XD_REG .. LAST_XD_REG.
3586 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
3587 (sh_expand_epilogue): Likewise.
3588 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
3589 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
3590 (arith_reg_operand): FPUL_REG is OK for SH4.
3591 (fp_arith_reg_operand, fp_extended_operand) New functions.
3592 (tertiary_reload_operand, fpscr_operand): Likewise.
3593 (commutative_float_operator, noncommutative_float_operator): Likewise.
3594 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
3595 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
3596 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
3597 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
3598 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
3599 (CONDITIONAL_REGISTER_USAGE): Likewise.
3600 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
3601 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
3602 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
3603 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
3604 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
3605 to -1 and sh_flag_remove_dead_before_cse to 1.
3606 (ASSEMBLER_DIALECT): Define to assembler_dialect.
3607 (assembler_dialect, fp_reg_names): Declare.
3608 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
3609 Hide names of registers that are not accessible.
3610 (CACHE_LOG): Take TARGET_CACHE32 into account.
3611 (LOOP_ALIGN): Take TARGET_HARWARD into account.
3612 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
3613 (FIRST_PSEUDO_REGISTER: Now 49.
3614 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
3615 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
3616 (HARD_REGNO_MODE_OK): Update.
3617 (enum reg_class): Add DF_REGS and FPSCR_REGS.
3618 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
3619 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
3620 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
3621 (NPARM_REGS): Eight floating point parameter registers on SH4.
3622 (BASE_RETURN_VALUE_REG): SH4 also passes double values
3623 in floating point registers.
3624 (GET_SH_ARG_CLASS) Likewise.
3625 Complex float types are also returned in float registers.
3626 (BASE_ARG_REG): Complex float types are also passes in float registers.
3627 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
3628 (LIBCALL_VALUE): Remove trailing semicolon.
3629 (ROUND_REG): Round when double precision value is passed in floating
3631 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
3632 passed on the stack.
3633 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
3634 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
3635 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
3636 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
3637 (MODE_DISP_OK_8): Not for SH4 DFmode.
3638 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
3639 Allow indexed addressing for PSImode after reload.
3640 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
3641 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
3642 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
3643 (DOUBLE_TYPE_SIZE): 64 for SH4.
3644 (RTX_COSTS): Add PLUS case.
3645 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
3646 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
3647 MAC_REGS, PR_REGS, DF_REGS.
3648 (REGISTER_NAMES): Use fp_reg_names.
3649 (enum processor_type): Add PROCESSOR_SH4.
3650 (sh_flag_remove_dead_before_cse): Declare.
3651 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
3652 (PREDICATE_CODES): Add binary_float_operator,
3653 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
3654 fpscr_operand, noncommutative_float_operator.
3655 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
3656 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
3657 * sh.md (attribute cpu): Add value sh4.
3658 (attrbutes fmovd, issues): Define.
3659 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
3660 (function units memory, int, mpy, fp): Make dependent on issue rate.
3661 (function units issue, single_issue, load_si, load): Define.
3662 (function units load_store, fdiv, gp_fpul): Define.
3663 (attribute hit_stack): Provide proper default.
3664 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
3665 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
3666 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
3667 (mulsi3_call): Now uses match_operand for function address.
3668 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
3670 (push, pop, push_e, pop_e): Now define_expands.
3671 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
3672 (movsi_ie): Added y/i alternative.
3673 (ic_invalidate_line_i, movdf_i4): New insns.
3674 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
3675 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
3676 (movdf): Add special code for SH4.
3677 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
3678 (call_valuei, calli, call_value): Likewise.
3679 (movsf): Emit no-op move.
3680 (mov_nop, movsi_y): New insns.
3681 (blt, sge): generalize to handle DFmode.
3682 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
3683 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
3684 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
3685 (fpu_switch0, fpu_switch1, movpsi): New expanders.
3686 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
3687 (toggle_sz): New insn.
3688 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
3689 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
3690 (macsf3): Make use of fpscr visible. Disable for SH4.
3691 (floatsisf2): Make use of fpscr visible.
3692 (floatsisf2_i4): New insn.
3693 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
3694 (ieee_ccmpeqsf_t): Likewise.
3695 (fix_truncsfsi2): Emit different code for SH4.
3696 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
3697 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
3698 (negsf2, sqrtsf2, abssf2): Now expanders.
3699 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
3700 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
3701 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
3702 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
3703 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
3704 (fix_truncdfsi2_i4_2+1): New splitters.
3705 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
3706 (extendsfdf2, truncdfsf2): New expanders.
3707 (truncdfsf2_i4): New insn.
3708 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
3709 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
3710 * float-sh.h: When testing for __SH3E__, also test for
3711 __SH4_SINGLE_ONLY__ .
3712 * va-sh.h (__va_freg): Define to float.
3713 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
3714 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
3715 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
3716 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
3718 (TARGET_SH4_P): Define.
3721 * sh.md (movdf_k, movsf_i): Tweak the condition so that
3722 init_expr_once is satisfied about the existence of load / store insns.
3724 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
3725 change m constraint in source operand to mr / mf .
3727 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
3729 * (__VA_REEF): Define.
3730 (__va_arg_sh1): Use it.
3732 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
3734 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
3736 * i386/dgux.c (struct option): Add new "description field".
3737 * m88k/m88k.c (struct option): Likewise.
3739 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
3741 * version.c: Bump for snapshot.
3743 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3745 * regmove.c (regmove_profitable_p): Use return value of find_matches
3748 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
3750 * version.c: Bump for snapshot.
3752 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
3754 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
3755 without reload having been called earlier.
3757 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
3759 (v850_reorg): Similarly.
3761 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
3763 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3765 * loop.c (move_movables): Start of libcall might be new loop start.
3767 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3769 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
3771 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3773 * function.c (nonlocal_goto_handler_slots): Renamed from
3774 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
3775 (push_function_context_to): Adjust for this change.
3776 (pop_function_context_from): Likewise.
3777 (init_function_start): Likewise.
3778 (expand_function_end): Likewise.
3779 * function.h (struct function): Likewise.
3780 * calls.c (expand_call): Likewise.
3781 * explow.c (allocate_dynamic_stack_space): Likewise.
3782 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
3783 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
3785 (expand_goto): When doing a nonlocal goto, find corresponding handler
3786 slot for it. Don't put the label address in the static chain register.
3787 (expand_end_bindings): Break out nonlocal goto handling code into
3788 three new functions.
3789 (expand_nl_handler_label, expand_nl_goto_receiver,
3790 expand_nl_goto_receivers): New static functions, broken out of
3791 expand_end_bindings and adapted to create one handler per nonlocal
3793 * function.c (delete_handlers): Delete insn if it references any of
3794 the nonlocal goto handler slots.
3795 * i960.md (nonlocal_goto): Comment out code that modifies
3797 * sparc.md (nonlocal_goto): Likewise.
3798 (goto_handler_and_restore_v9): Comment out.
3799 (goto_handler_and_restore_v9_sp64): Comment out.
3801 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3803 * expr.c (STACK_BYTES): Delete unused macro.
3804 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
3805 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
3806 (expand_call): Likewise.
3807 (emit_library_call): Likewise.
3808 (emit_library_call_value): Likewise.
3809 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
3810 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
3811 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
3812 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
3813 (allocate_dynamic_stack_space): Likewise.
3814 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
3815 (STACK_BOUNDARY): Update description to reflect the new situation.
3817 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
3819 * reorg.c (relax_delay_slots): When optimizing for code size, if a
3820 return with a filled delay slot is followed by a return with an
3821 unfilled delay slot, delete the first return and reemit the insn
3822 that was previously in its delay slot.
3824 * i860.c (single_insn_src_p): Add missing parens.
3825 * ginclude/math-3300.h: Likewise.
3827 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
3829 * regclass.c (init_reg_sets_1): Add prototype.
3830 (init_reg_modes): Likewise.
3832 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
3834 * c-common.c: Change warning messages to say `comparison is
3835 always true' or `comparison is always false' instead of the
3836 confusing `is always 0', `is always 1'.
3838 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
3840 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
3841 break instead of return (which loses closing '>').
3843 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
3845 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
3846 standard 387 constants.
3848 * i386.md (jump): Explicitly set "memory" attribute.
3849 (indirect_jump, prologue_set_stack_ptr): Likewise.
3850 (prologue_get_pc_and_set_got, pop): Likewise.
3851 (allocate_stack_worder, blockage, return_internal): Likewise.
3852 (return_pop_internal, nop): Likewise.
3853 (epilogue_set_stack_ptr, leave): Likewise.
3855 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
3857 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
3859 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3861 * reload1.c (reload_reg_free_for_value_p):
3862 Early auto_inc reloads don't conflict with outputs.
3864 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3866 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
3867 Instead call AC_HEADER_SYS_WAIT.
3869 * collect2.c: Don't provide defaults for sys/wait.h macros.
3871 * protoize.c: Likewise. Also, don't include sys/wait.h.
3873 * system.h: Include sys/wait.h and provide macro defaults.
3875 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3877 * Makefile.in (mandir): Set to @mandir@.
3878 (man1dir): New variable to hold the former value of $(mandir).
3879 Replace all uses of $(mandir) by $(man1dir).
3881 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
3883 * reload.c (find_reloads_address_part): If have a CONST_INT, create
3884 a new one before passing it to force_const_mem.
3886 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
3887 find_reloads_address call.
3889 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3891 * expr.c (store_expr): Don't generate load-store pair
3892 if TEMP is identical (according to ==) with TARGET.
3894 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3896 * reload1.c (reload_reg_free_for_value_p): When considered reload
3897 has an output, matching inputs are not sufficient to avoid conflict.
3899 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
3901 * hash.h (hash_table_key): New type.
3902 (hash_entry): Change `string' field to generic `key'.
3903 (hash_table): Add `comp' and `hash' functions.
3904 (hash_table_init): Take them as input.
3905 (hash_table_init_n): Likewise.
3906 (hash_lookup): Modify for generic keys.
3907 (hash_newfunc): Likewise.
3908 (hash_traverse): Likewise.
3909 (string_hash): New function.
3910 (string_compare): Likewise.
3911 (string_copy): Likewise.
3912 * hash.c (hash_table_init_n): Modify for generic keys.
3913 (hash_table_init): Likewise.
3914 (hash_lookup): Likewise.
3915 (hash_newfunc): Likewise.
3916 (hash_traverse): Likewise.
3917 (string_hash): Split out from hash_lookup.
3918 (string_compare): New function.
3919 (string_copy): Split out from hash_lookup.
3920 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
3922 (symbol_hash_lookup): Likewise.
3923 (file_hash_newfunc): Likewise.
3924 (file_hash_lookup): Likewise.
3925 (demangled_hash_newfunc): Likewise.
3926 (demangled_hash_lookup): Likewise.
3927 (tlink_int): Likewise.
3928 (read_repo_file): Likewise.
3929 (recompile_files): Likewise.
3930 (demangle_new_symbols): Likewise.
3931 (scan_linker_output): Likewise.
3933 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3935 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
3937 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
3939 * rs6000.c (output_mi_thunk): Improve test for local branch.
3941 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3943 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
3945 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3947 * reload1.c (reload_reg_free_before_p): Delete.
3948 Changed all callers to use reload_reg_free_for_value_p instead.
3949 (reload_reg_free_for_value_p): Handle more reload types.
3950 A RELOAD_FOR_INPUT doesn't conflict with its
3951 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
3952 Add special case for OUT == const0_rtx.
3953 Added ignore_address_reloads argument. Changed all callers.
3955 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
3957 * toplev.c (compile_file): Don't pedwarn about undefined static
3958 functions just because we passed -Wunused.
3960 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3962 * function.c (purge_addressof_1): Unshare rtl created by
3965 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3967 * regmove.c (regmove_optimize): Don't do anything but
3968 optimize_reg_copy[123] when flag_regmove is not set.
3970 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
3972 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
3973 value in paradoxical SImode result, rather than truncating midpoint.
3975 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
3977 * alpha.c (reg_not_elim_operand): New.
3978 * alpha.h (PREDICATE_CODES): Add it.
3979 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
3980 for the multiplicand.
3982 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
3984 * rs6000.md (movsf): Remove explicit secondary-reload-like
3985 functionality. Only truncate SFmode store if in FPR.
3986 (movsf splitters): Combine const_double splitters.
3987 (movsf_hardfloat): Add GPR support.
3989 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
3991 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
3992 deprecate -mlive-g0 and -mbroken-saverestore.
3993 * t-splet (MULTILIB_OPTIONS): Likewise.
3995 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
3996 in a leaf function. Clarify total_size/extra_size relationship.
3998 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
4000 * i386/cygwin32.asm: Delete.
4001 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
4002 * i386/cygwin32.h: Delete.
4003 * i386/cygwin.h: New file, renamed from cygwin32.h.
4004 * i386/t-cygwin32: Delete.
4005 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
4006 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
4007 * i386/x-cygwin32: Delete.
4008 * i386/x-cygwin: New file, renamed from x-cygwin32.
4009 * i386/xm-cygwin32: Delete.
4010 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
4011 renamed cygwin_ funcs for path translations.
4012 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
4013 * i386/winnt.c: Remove "32" from comment about cygwin.
4014 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
4015 * rs6000/cygwin32.h: Delete.
4016 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
4017 -D__CYGWIN__ to CPP_PREDEFINES.
4018 * rs6000/x-cygwin32: Delete.
4019 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
4020 * rs6000/xm-cygwin32: Delete.
4021 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
4023 * configure.in: Check for cygwin* instead of cygwin32. Account
4024 for the rename of cygwin-related config files to lose the "32"s.
4025 * configure: Regenerate.
4027 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
4028 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
4030 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
4032 * Makefile.in (JAVAGC): New macro.
4033 * configure: Rebuilt.
4034 * configure.in: Recognize --enable-java-gc argument. Subst
4037 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4039 Handle equivalences that have been obscured by gcse:
4041 * reload1.c (reload): Handle equivalences set up in multiple places.
4042 * local-alloc.c (reg_equiv_init_insns): New variable.
4043 (no_equiv): New function.
4044 (update_equiv_regs): Handle equivalences set up in multiple places.
4045 Don't ignore an insn just because its destination is likely to be
4048 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
4050 * except.c (expand_eh_return): Readd force_operand call lost in
4053 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
4055 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
4057 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4059 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
4061 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4063 * regmove.c (regmove_optimize): Fix error in last change.
4065 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
4067 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
4068 offset in the .mask pseudo to compensate for frame pointer adjustments.
4069 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
4070 word swap arguments moved to/from FP registers.
4071 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
4073 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
4075 * version.c: Bump for snapshot.
4077 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
4079 * version.c: Bump for snapshot.
4081 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
4083 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
4084 times, then it can not be completely replaced.
4086 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
4088 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
4090 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4092 * gansidecl.h: Prepend a "G" to the macro wrapping this file
4093 (to distinguish it from the macro wrapping ansidecl.h.)
4094 Include libiberty's ansidecl.h. Remove all redundant definitions.
4095 Define the PROTO() style macros in terms of the PARAMS() ones.
4098 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
4099 __STDC__, when deciding whether to use ANSI variable args.
4100 (emit_library_call_value): Likewise.
4102 * cccp.c (error): Likewise.
4103 (warning): Likewise.
4104 (error_with_line): Likewise.
4105 (warning_with_line): Likewise.
4106 (pedwarn): Likewise.
4107 (pedwarn_with_line): Likewise.
4108 (pedwarn_with_file_and_line): Likewise.
4111 * cexp.y (error): Likewise.
4112 (pedwarn): Likewise.
4113 (warning): Likewise.
4115 * collect2.c (fatal_perror): Likewise.
4119 * combine.c (gen_rtx_combine): Likewise.
4121 * cpperror.c (cpp_message): Likewise.
4122 (cpp_fatal): Likewise.
4124 * cpplib.c (cpp_error): Likewise.
4125 (cpp_warning): Likewise.
4126 (cpp_pedwarn): Likewise.
4127 (cpp_error_with_line): Likewise.
4128 (cpp_warning_with_line): Likewise.
4129 (cpp_pedwarn_with_line): Likewise.
4130 (cpp_pedwarn_with_file_and_line): Likewise.
4132 * cpplib.h: Don't define PARAMS() macro.
4134 * demangle.h: Likewise.
4136 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
4137 when deciding whether to use ANSI variable args.
4139 * emit-rtl.c (gen_rtx): Likewise.
4140 (gen_rtvec): Likewise.
4142 * final.c (asm_fprintf): Likewise.
4144 * fix-header.c (cpp_message): Likewise.
4146 (cpp_fatal): Likewise.
4148 * gcc.c (concat): Likewise.
4152 * genattr.c (fatal): Likewise.
4154 * genattrtab.c (attr_rtx): Likewise.
4155 (attr_printf): Likewise.
4158 * gencodes.c (fatal): Likewise.
4160 * genconfig.c (fatal): Likewise.
4162 * genemit.c (fatal): Likewise.
4164 * genextract.c (fatal): Likewise.
4166 * genflags.c (fatal): Likewise.
4168 * genopinit.c (fatal): Likewise.
4170 * genoutput.c (fatal): Likewise.
4173 * genpeep.c (fatal): Likewise.
4175 * genrecog.c (fatal): Likewise.
4177 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
4178 deciding whether to declare `tree_node' and `rtx_def'.
4180 * hash.h: Don't define stuff we get from gansidecl.h.
4182 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
4183 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
4184 whether to use ANSI variable args.
4187 * prefix.c (concat): Likewise.
4191 * system.h: Likewise.
4193 * toplev.c (error_with_file_and_line): Likewise.
4194 (error_with_decl): Likewise.
4195 (error_for_asm): Likewise.
4198 (warning_with_file_and_line): Likewise.
4199 (warning_with_decl): Likewise.
4200 (warning_for_asm): Likewise.
4201 (warning): Likewise.
4202 (pedwarn): Likewise.
4203 (pedwarn_with_decl): Likewise.
4204 (pedwarn_with_file_and_line): Likewise.
4206 (really_sorry): Likewise.
4208 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
4209 whether to declare `tree_node' and `rtx_def'.
4211 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
4212 deciding whether to use ANSI variable args.
4213 (build_nt): Likewise.
4214 (build_parse_node): Likewise.
4216 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
4218 * version.c: Bump for snapshot.
4220 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4222 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
4224 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
4226 * collect2.c (main, case 'b'): Use else if.
4228 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4230 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
4231 Arrange to include gansidecl.h in {ht}config.h & tm.h just
4232 before the config/ directory headers.
4233 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
4234 gansidecl.h in the list of dependencies.
4236 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
4237 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
4238 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
4239 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
4240 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
4241 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
4244 * cccp.c: Don't include gansidecl.h.
4246 * collect2.c: Likewise.
4247 * config/c4x/c4x.c: Likewise.
4248 * config/v850/v850.h: Likewise.
4249 * cppalloc.c: Likewise.
4250 * cpperror.c: Likewise.
4251 * cppexp.c: Likewise.
4252 * cppfiles.c: Likewise.
4253 * cpphash.c: Likewise.
4254 * cpplib.c: Likewise.
4255 * cppmain.c: Likewise.
4256 * cppulp.c: Likewise.
4257 * demangle.h: Likewise.
4258 * doprint.c: Likewise.
4259 * dyn-string.c: Likewise.
4260 * eh-common.h: Likewise.
4261 * fix-header.c: Likewise.
4262 * frame.c: Likewise.
4265 * gen-protos.c: Likewise.
4266 * gencheck.c: Likewise.
4267 * halfpic.h: Likewise.
4269 * machmode.h: Likewise.
4270 * mbchar.c: Likewise.
4271 * prefix.c: Likewise.
4272 * protoize.c: Likewise.
4273 * recog.h: Likewise.
4275 * scan-decls.c: Likewise.
4277 * varray.h: Likewise.
4279 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
4281 * i386.md (call_value_pop): If we're not popping anything,
4282 defer to call_value.
4283 (call_pop): Likewise defer to call.
4285 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
4287 * function.c (purge_addressof): Clear purge_addressof_replacements
4288 only after processing the whole function.
4290 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
4292 * reload1.c (reload): If we can not perform a particular elimination
4293 when we thought we could earlier, then we must always iterate through
4294 the loop at least one more time.
4296 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
4298 * alpha.c (add_operand): Simplify the CONST_INT match.
4299 (sext_add_operand): Correct typo in comparison by using
4300 CONST_OK_FOR_LETTER_P.
4301 * alpha.md (s?addq): Use sext_add_operand to allow the negative
4302 constant alternatives to be generated.
4303 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
4304 small constants, since the hw instructions do.
4306 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4308 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
4309 previous insn to store directly into our reload register, make sure
4310 that if the source of the previous insn is a reload register, its
4311 spill_reg_store and spill_reg_stored_to values are cleared.
4313 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
4315 * rs6000.md (floatunssidf2_internal splitter): Use base register
4316 operand, not hard-coded SP.
4318 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4320 * jump.c (calculate_can_reach_end): Fix thinko.
4322 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
4324 * reorg.c (fill_simple_delay_slots): Fix typo.
4326 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
4328 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
4330 * i386.md (extendsidi2): Use # in the output template.
4331 (extendsidi splitters): New splitters.
4333 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
4335 * configure.in: Use unknown-elf.h as tm_file for arm-elf
4337 * configure: Regenerate.
4339 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4341 * jump.c (init_label_info, delete_barrier_successors,
4342 mark_all_labels, delete_unreferenced_labels,
4343 delete_noop_moves, calculate_can_reach_end): New functions broken
4344 out of jump_optimize.
4345 (jump_optimize): Use them.
4347 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
4349 * except.c (expand_fixup_region_end): Make sure outer context labels
4350 are not issued in an inner context during cleanups.
4352 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
4354 * alpha.md (addsi3, subsi3): No new temporaries once cse is
4357 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
4359 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
4360 to expose this midpoint to CSE.
4362 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4364 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
4366 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4368 * configure.in: Bring over gcc2 change of Nov 19 1997.
4370 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
4372 * toplev.c (output_lang_identify): Make definition dependent on
4373 ASM_IDENTIFY_LANGUAGE.
4375 * print-rtl.c (spaces): Make static.
4377 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
4379 * extend.texi: Clarify proper uses for register clobbers in asms.
4381 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4383 * recog.h (enum op_type): Define.
4384 (constrain_operands): Adjust prototype.
4385 (recog_op_type): Declare new variable.
4386 * recog.c (recog_op_type): New variable.
4387 (insn_invalid_p): Allow modifying an asm statement after reload.
4388 (extract_insn): Set up recog_op_type.
4389 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
4390 Don't compute operand types, use recog_op_type.
4391 Use the information computed by extract_insn instead of the previous
4392 method of finding it by insn code number.
4393 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
4394 * reorg.c (fill_slots_from_thread): Likewise.
4395 * reload1.c (reload_as_needed): Likewise.
4396 (gen_reload): Likewise.
4397 (inc_for_reload): Likewise.
4398 (reload_cse_simplify_operands): Likewise.
4399 Use the information computed by extract_insn instead of the previous
4400 method of finding it by insn code number.
4401 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
4403 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
4404 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
4405 Use the information computed by extract_insn instead of the previous
4406 method of finding it by insn code number.
4407 * regmove.c (find_matches): Likewise. Change meaning of the return
4408 value to be nonzero if the optimization can be performed, zero if
4409 not. All callers changed.
4410 Shorten some variable names to fix formatting problems.
4411 (regmove_optimize): Shorten some variable names to fix formatting
4413 Use the information computed by extract_insn instead of the previous
4414 method of finding it by insn code number.
4415 * regclass.c (scan_one_insn): Likewise.
4416 (record_reg_classes): Don't compute operand types, use recog_op_type.
4417 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
4418 recog_constraints instead.
4420 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
4422 * rtl.h (flow2_completed): Declare.
4423 * flow.c (flow2_completed): Definition.
4424 * toplev.c (rest_of_compilation): Set and clear flow2_completed
4427 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
4429 * Makefile.in (libcpp.a): Ranlib libcpp.a
4431 * cppulp.c (user_label_prefix): Initialize.
4433 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
4435 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
4436 at a RETURN if current_function_sp_is_unchanging is set.
4438 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4440 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
4442 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
4444 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
4445 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
4446 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
4447 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
4448 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
4449 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
4451 (LIB_SPEC): Handle -mno-cyginw option.
4452 (LINK_SPEC): Handle -mdll.
4454 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4456 * reload.c (find_reloads): Fix test for usage by other reload
4457 to handle secondary reloads properly.
4459 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4461 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
4462 intermediate structure which has exactly the members provided by
4463 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
4464 static intermediate structure.
4466 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
4467 from the intermediate structure. Do the same analogous fix in
4468 the case where ELIMINABLE_REGS is not defined.
4470 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
4472 * pa.h (SELECT_SECTION): Fix thinko.
4474 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
4476 * dwarf2out.c (output_call_frame_info): Comments on last change.
4478 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
4480 * arm.c (add_constant): When taking the address of an item in the
4481 pool, get the mode of the item addressed.
4483 * arm.c (final_prescan_insn case INSN): If an insn doesn't
4484 contain a SET or a PARALLEL, don't consider it for conditional
4487 Restore ABI compatibility for NetBSD.
4488 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
4490 (RETURN_IN_MEMORY): Likewise.
4492 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
4494 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
4495 (m32r_output_block_move): Rewrite bytes < 4 handling.
4497 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4499 * configure.in: Call AC_FUNC_VFORK.
4501 * collect2.c: Define VFORK_STRING as a printable string for
4502 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
4503 defined, include vfork.h. If VMS is defined, define vfork()
4504 appropriately. Remove vfork check on USG, we're using autoconf.
4505 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
4506 checking locally what string to pass.
4507 (scan_prog_file): Likewise.
4508 (scan_libraries): Likewise.
4510 * gcc.c: Remove vfork check on USG, we're using autoconf.
4511 Besides, no calls to vfork/fork occur in this file.
4513 * protoize.c: Likewise.
4515 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4517 * configure.in (DEFAULT_LINKER): renamed from LD
4518 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
4519 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
4520 * configure: rebuilt
4522 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4524 * BUGS: fix the regexp for `more' to find the appropriate node.
4525 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
4527 * BUGS: added link to the WWW FAQ
4529 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
4531 * version.c: Bump for snapshot.
4533 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
4535 * From Christian Gafton:
4536 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
4537 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
4538 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
4540 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
4542 * c-common.c (c_get_alias_set): Allow all type-punning through
4543 unions. Don't get confused about the type of a bit-field, despite
4544 the antics of build_modify_expr.
4546 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
4548 * fixinc.sco: Paramaterize #include_next values.
4549 * fixinc/fixinc.sco: Likewise.
4551 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
4553 * toplev.c (rest_of_compilation): No longer set reload_completed.
4554 * reload1.c (reload): Set it here. Perform instruction splitting
4555 after reload has completed if we will be running the scheduler
4558 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
4560 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
4561 EH region if exceptions are enabled and we're performing cross
4563 (find_cross_jump): Exit loop if the insns are in different EH regions.
4565 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
4567 * dwarf2out.c (output_call_frame_info): Use
4568 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
4570 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4572 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
4573 * c-common.c (check_format_info): Don't check for the 'x'
4574 format character twice, instead check for 'x' and 'X'
4576 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
4578 * configure.in (assembler features): Also make gas is configured if
4579 we find it in the souce tree.
4581 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
4583 * i386.c (i386_comp_type_attributes): Compare whether the
4584 attributes are defined, not their tree nodes.
4586 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4588 * configure.in (gxx_include_dir): bitten by autoconf quoting
4590 * configure: rebuilt
4592 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4594 * configure.in: Ignore non-absolute value in $AS.
4596 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
4598 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
4600 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
4602 * configure.in (msdosdjgpp): Set exeext and target_alias.
4604 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4606 * flow.c (XNMALLOC): New macro.
4607 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
4609 (add_edge, add_edge_to_label): New static functions.
4610 (free_bb_memory): New function.
4611 (flow_delete_insn): Delete function.
4612 (basic_block_drops_in): Delete variable.
4613 (find_basic_blocks): Allocate and initialize basic_block_head,
4614 basic_block_succ. Don't allocate basic_block_drops_in.
4615 Call free_bb_memory at the beginning.
4616 (find_basic_blocks_1): Don't do multiple passes.
4617 Delete code to compute basic_block_drops_in.
4618 After calling make_edges, mark blocks reached by current block live.
4619 Update test for unreachable live blocks.
4620 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
4622 Simplify to call add_edge_to_label when a LABEL_REF is found.
4623 (make_edges): Simplify to call add_edge_to_label instead of
4624 mark_label_ref most of the time.
4625 Compute here whether control drops into the next block.
4626 (delete_unreachable_blocks): Return void. All callers changed.
4627 Delete unreachable blocks in reverse order.
4628 After deleting all unreachable blocks, renumber the remaining ones
4629 and update n_basic_blocks.
4630 (delete_block): Speed up deletion a bit.
4631 Don't set basic_block_drops_in for deleted blocks.
4632 (free_basic_block_vars): Don't free basic_block_drops_in.
4633 (life_analysis_1): Update to use new edge representation.
4634 (dump_flow_info): Delete code to print basic block info; call
4635 dump_bb_data instead.
4636 (compute_preds_succs): Delete code to recompute basic_block_drops_in
4637 and uid_block_number.
4638 Simply copy the previously computed cfg.
4639 (dump_bb_data): New arg LIVE_INFO. All callers changed.
4640 Print register lifetime information if LIVE_INFO is nonzero.
4641 * basic-block.h (dump_bb_data): Adjust prototype.
4642 * gcse.c (gcse_main): Update call to dump_bb_data.
4643 * rtl.h (free_bb_memory): Declare.
4644 * toplev.c (rest_of_compilation): Call free_bb_memory.
4646 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
4647 (update_eliminable_offsets): Don't compute it.
4648 (set_initial_elim_offsets): Don't initialize it.
4649 Break out some code into set_initial_label_offsets so the rest of
4650 this function can be called from reload_as_needed.
4651 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
4652 ELIMINABLE_REGS isn't.
4653 (set_initial_label_offsets): New function, broken out of
4654 set_initial_elim_offsets.
4655 (set_offsets_for_label): New function, broken out of set_label_offsets
4656 and reload_as_needed.
4657 (reload): Call the two new functions.
4658 (reload_as_needed): Call set_initial_elim_offsets instead of
4659 duplicating the code. Likewise for set_offsets_for_label.
4661 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
4662 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
4663 any hard reg, reg_reloaded_dead contains valid data.
4665 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
4667 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
4668 "stdcall" and "cdecl" attributes.
4670 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
4672 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
4673 handle deleted no-op moves of hard registers.
4674 * haifa-sched.c (update_flow_info): Likewise.
4676 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
4678 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
4679 of the sequences to reload the HILO register which do not actually
4682 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
4684 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
4686 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
4688 * except.c (emit_eh_context): Make the EH context register stay alive
4689 at -O0 so stupid.c doesn't get confused.
4691 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4693 * emit-rtl.c (try_split): Do not try to split a BARRIER.
4695 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
4696 Jeffrey A Law (law@cygnus.com)
4698 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
4699 (zero_extendsidi2): Use # in output template and handle completely by
4701 (zero_extend splitters): New define_splits.
4702 (ashiftrt_32): New pattern.
4704 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
4706 * tree.c (append_random_chars): New fn.
4707 (get_file_function_name_long): Use it.
4709 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
4711 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
4712 (LIBCPP_OBJS): New. Add cppulp.o.
4713 (cppmain, fix-header): Depend on and use libcpp.a.
4714 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
4715 of the individual object files.
4716 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
4719 * cccp.c (user_label_prefix): New.
4720 (main): Set it off -f*leading-underscore.
4721 (special_symbol): Use it.
4722 * cpplib.c (special_symbol): Likewise.
4723 (cpp_handle_option): Handle -f*leading-underscore.
4724 * cppulp.c: New file.
4726 * output.h (user_label_prefix): Declare it.
4727 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
4728 * toplev.c (f_options, main): Handle -f*leading-underscore.
4730 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
4731 referencing USER_LABEL_PREFIX directly.
4732 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
4733 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
4734 * final.c (asm_fprintf): Use user_label_prefix instead.
4735 * arm/thumb.c (thumb_print_operand): Likewise.
4737 * gcc.c (default_compilers): Pass -f*leading-underscore on to
4738 cpp wherever appropriate.
4740 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
4742 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
4743 specific compiler switches.
4745 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
4747 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
4750 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4752 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
4753 structure which has exactly the members provided by EXTRA_SPECS.
4754 Xmalloc() the real `extra_specs', and initialize it from this
4755 intermediate structure.
4757 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
4759 * mips.h (EXTRA_SPECS): Likewise.
4761 * sparc.h (EXTRA_SPECS): Likewise.
4763 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4765 * function.c (purge_addressof_1): Instead of aborting when a
4766 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
4767 work just put the ADDRESSOF on stack. Otherwise remember all such
4768 successfull replacements, so that exactly the same replacements
4769 can be made on the REG_NOTEs. Remove the special case for CALL
4771 (purge_addressof_replacements): New variable.
4772 (purge_addressof): Clear it at end.
4774 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
4776 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
4777 (lang_init): Call check_newline always.
4778 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
4779 cpp_start_read, set yy_cur and yy_lim to read from
4780 parse_in.token_buffer, so that we'll see the first #line
4782 * cpplib.c (cpp_start_read): finclude the main input file
4783 before processing -include/-imacros. Process -imacros and
4784 -include separately, and handle -include by stacking a
4785 buffer for the file in question as if it'd been #included.
4786 * toplev.c (documented_lang_options) Recognize -H when
4789 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
4791 * cpplib.c: Merge do_once into do_pragma. Break file handling
4792 code out of do_include.
4793 Move append_include_chain, deps_output,
4794 file_cleanup, redundant_include_p, import_hash,
4795 lookup_import, add_import, read_filename_string, read_name_map,
4796 open_include_file, finclude, safe_read to cppfiles.c.
4797 Move prototypes for deps_output, append_include_chain,
4798 finclude to cpplib.h. Move definition of struct
4799 file_name_list there also.
4801 * cppfiles.c: New file. Contains all the above functions
4802 broken out of cpplib.c; also hack_vms_include_specification
4803 from cccp.c and find_include_file, a new function broken out of
4806 * Makefile.in (cppmain): Depend on cppfiles.o.
4807 (fix-header): Likewise.
4808 (cppfiles.o): New target.
4809 * configure.in (--enable-c-cpplib): Add cppfiles.o to
4810 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
4812 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
4814 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
4815 if pending_types is non-zero.
4816 (dwarfout_finish): Verify pending_types is zero before finishing.
4818 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
4820 * expr.c (convert_move): Use shifts to perform the move if a
4821 suitable extend pattern cannot be found. Code written by
4822 Richard Henderson <rth@cygnus.com>.
4824 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4826 * regclass.c (renumber, regno_allocated): New static variables, moved
4827 out of allocate_reg_info.
4828 (allocate_reg_info): Move these two variables outside the function.
4829 Move code to free memory into new function free_reg_info.
4830 (free_reg_info): New function, broken out of allocate_reg_info.
4831 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
4832 * rtl.h (allocate_reg_info): Don't declare.
4833 (free_reg_info): Declare.
4835 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
4837 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
4839 * toplev.c (compile_file): Temporarily revert last change.
4841 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
4843 * c-typeck.c (convert_for_assignment): Parenthesize.
4845 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4847 * reload1.c (delete_output_reload): Avoid ambigous else.
4849 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
4851 * toplev.c (compile_file): Call allocate_reg_info to free register
4853 * rtl.h (allocate_reg_info): Declare.
4855 * PROJECTS: Remove entry for local spilling.
4857 * final.c (cleanup_subreg_operands): New function.
4858 (final_scan_insn): Use it.
4859 (alter_subreg): Clear the "used" field when we turn a SUBREG into
4861 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
4862 operands when reload has finished.
4863 * reload.h (cleanup_subreg_operands): Declare..
4864 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
4865 reload. Handled in reload itself.
4867 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4869 * reload1.c (verify_initial_offsets): New function.
4870 (reload): Call it after reload_as_needed. Also verify that the frame
4871 size stays constant during reload_as_needed.
4872 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
4874 * reload.h (struct insn_chain): Add need_operand_change element.
4875 * reload1.c (new_insn_chain): Clear it.
4876 (calculate_needs_all_insns): Set it; don't overload need_reload.
4877 (reload_as_needed): Use it.
4879 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
4880 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
4881 and reload_address_index_reg_class.
4882 (find_reloads_address_1): Likewise.
4883 * reload.h (reload_address_base_reg_class,
4884 reload_address_index_reg_class): Don't declare.
4885 * reload1.c (reg_old_renumber, pseudo_previous_regs,
4886 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
4887 (used_spill_regs): Now static.
4888 (reload_address_base_reg_class, reload_address_index_reg_class,
4889 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
4890 basic_block_needs, max_needs, group_size, group_mode, max_groups,
4891 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
4894 (init_reload): Delete code to compute base/index reg classes.
4895 (reload): Delete variable J.
4896 Delete code to manage basic_block_needs.
4897 Don't compute regs_explicitly_used.
4898 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
4899 pseudo_previous_regs.
4900 Initialize bad_spill_regs_global.
4901 Don't call order_regs_for_reload here.
4902 Don't initialize spill_reg_order and n_spills.
4903 Don't forbid explicitly used regs to be used for spill regs.
4904 Change main loop to infinite loop, with explicit break statements.
4905 Make SOMETHING_CHANGED variable local to that loop.
4906 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
4907 max_groups_insn, max_nongroups_insn, group_size, group_mode.
4908 Make sure spilled_speudos is cleared before calling spill_hard_reg or
4910 Don't call dump_needs.
4911 Delete code to reset potential_reload_regs.
4912 Delete code to terminate loop conditional on the global needs variables
4913 showing no further needs.
4914 (calculate_needs_all_insns): Return void. All callers changed.
4915 Initialize somehing_needs_elimination here, not in reload.
4916 Delete avoid_return_reg kludge.
4917 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
4918 All callers changed.
4919 Initialize the group_mode and group_size elements of the arg CHAIN.
4920 Delete code to manage basic_block_needs.
4921 Operate on elements of CHAIN instead of global variables.
4922 Delete avoid_return_reg kludge.
4923 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
4924 All callers changed.
4925 Operate on elements of CHAIN instead of global variables.
4926 Delete special SMALL_REGISTER_CLASSES code.
4927 Delete spill_failure code; now in new_spill_reg.
4928 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
4929 All callers changed.
4930 Operate on elements of CHAIN instead of global variables.
4931 (maybe_mark_pseudo_spilled): New static function.
4932 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
4933 All callers changed.
4934 Operate on elements of CHAIN instead of global variables.
4935 Call order_regs_for_reload here, not in reload.
4936 Initialize spill_reg_order and n_spills.
4937 Simplify test whether an asm insn is involved.
4938 Delete spill_failure code; now in new_spill_reg.
4939 Call maybe_mark_pseudo_spilled for everything marked as live in
4940 CHAIN. Merge CHAIN's used_spill_regs into the global variable
4942 (dump_needs): Take CHAIN arg. No longer static, to prevent the
4943 compiler from optimizing this function (now unused) away.
4944 Operate on elements of CHAIN instead of global variables.
4945 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
4947 Operate on elements of CHAIN instead of global variables.
4948 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
4949 take CHAIN arg. All callers changed.
4950 Operate on elements of CHAIN instead of global variables.
4951 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
4952 CHAIN, NONGROUP args. Return void. All callers changed.
4953 Verify caller isn't trying to spill a pseudo.
4954 Simplify test for illegal reg, just use bad_spill_regs.
4955 Generate better error messages.
4956 Operate on elements of CHAIN instead of global variables.
4957 Mark spilled register in CHAIN's used_spill_regs element.
4958 Don't call spill_hard_reg.
4959 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
4960 Mark spilled hard regs in bad_spill_regs_global.
4961 Mark affected pseudos in spilled_pseudos, but don't spill them.
4962 (ior_hard_reg_set): New static function.
4963 (finish_spills): Return int. All callers changed.
4964 Compute spill_reg_order, n_spills and spill_regs here. Also update
4965 regs_ever_live for regs used as spills.
4966 For every pseudo in spilled_pseudos, spill it and mark the previous
4967 hard reg it had in pseudo_previous_regs. Compute which hard regs
4968 arseudo): New static function.
4969 (order_regs_for_reload): Take CHAIN arg. All callers changed.
4970 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
4971 hard registers explicitly used across the current insn into the set.
4972 Compute hard_reg_n_uses taking only pseudos live across this insn
4974 Tweak sorting of potential_reload_regs.
4975 (compare_spill_regs): Delete function.
4976 (reload_as_needed): Don't sort the spill_regs array, it's computed
4977 in proper order in finish_spills.
4978 Delete avoid_return_reg kludge.
4979 Delete code to manage basic_block_needs.
4980 (allocate_reload_reg): Minor speed/readability tweaks.
4981 Operate on elements of CHAIN instead of global variables.
4982 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
4983 Delete avoid_return_reg kludge.
4984 Initialize reload_reg_used from CHAIN's used_spill_regs element.
4985 Delete unused label FAIL.
4986 (reload_combine): Replce reload_address_index_reg_class with
4988 Don't use used_spill_regs to determine information about lifetime of
4991 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
4993 * toplev.c (display_help): Ignore empty target specific
4994 options, and if -W is also specified on the command line then
4995 display undocumented options.
4997 * config/arm/arm.c: Updated with changes in devo sources.
4998 * config/arm/arm.h: Updated with changes in devo sources.
4999 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
5000 * config/arm/lib1thumb.asm: Add ELF support.
5002 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
5004 * collect2.c (aix64_flag): New variable.
5005 (main, case 'b'): Parse it.
5006 (GCC_CHECK_HDR): object magic number must match mode.
5007 (scan_prog_file): Only check for shared object if valid header.
5008 Print debugging if header/mode mismatch.
5010 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
5012 Added support for arm-elf-linux configuration, submitted by Philip
5013 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
5014 code developed by Catherine Moore <clm@cygnus.com>. The following
5017 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
5020 * configure: Regenerated.
5022 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
5023 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
5024 definitions conditional on their not having been already defined.
5026 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
5027 and .type directives, and add "(PLT)" qualification to function
5030 * config/arm/linux.h: Deleted. This file is now superceeded by
5031 either linux-elf.h or linux-aout.h.
5033 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
5034 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
5036 Move definitions from old linux.h file here.
5038 * config/arm/elf.h: New file. Generic ARM/ELF support.
5040 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
5042 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
5044 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
5045 using the 26bit APCS.
5047 * config/arm/unknown-elf.h: New file. Support for OS'es other
5048 than Linux with ELF.
5050 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
5053 * config/arm/coff.h: Include aout.h for basic assembler macros.
5054 Add support for -mstructure_size_boundary=<n> command line option.
5056 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
5057 command line option. Make macro definitions conditional on their
5058 not having been already defined.
5060 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
5061 command line option.
5064 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
5066 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
5067 has been changed to not include a newline. Use this macro instead.
5068 (output_enumeral_list, const_value_attribute, name_attribute,
5069 comp_dir_attribute, prototyped_attribute, producer_attribute,
5070 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
5071 dwarfout_file_scope_decl, generate_new_sfname_entry,
5072 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
5073 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
5075 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
5077 * combine.c (subst): Process the inputs to a parallel asm_operands
5080 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
5082 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
5084 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
5086 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
5088 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
5090 * version.c: Bump for snapshot.
5092 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
5094 * stmt.c (expand_fixup): Set fixup->before_jump to a
5095 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
5097 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5099 * Makefile.in (recog.o): Depend on toplev.h.
5100 (insn-emit.o): Depend on recog.h.
5101 (insn-peep.o): Depend on recog.h and insn-config.h.
5103 * combine.c (simplify_set): Remove unused variable `scratches'.
5105 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
5106 and `idx' in macro conditional controlling their use.
5108 * genemit.c (main): Make the generated output file include
5109 recog.h. Don't have it declare `insn_operand_constraint', since
5110 we get it from recog.h.
5112 * genpeep.c (main): Make the generated output file include
5113 insn-config.h and recog.h.
5115 * recog.c: Include toplev.h.
5116 (extract_insn): Remove unused variable `p'.
5118 * regclass.c (fix_register): Add missing braces around initializer
5120 (allocate_reg_info): Move variable `i' into the scope where it is
5121 used. Change its type to `size_t'.
5123 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5125 * reload.c (push_reload): When merging reloads, make sure
5126 that reload_in_reg and reload_in are from the same reload in
5129 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
5131 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
5132 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
5134 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
5136 * loop.c (loop_has_tablejump): New variable.
5137 (prescan_loop): Scan for it.
5138 (insert_bct): Replace explicit scan with use of it.
5139 * regclass.c (regclass): Restore loop variable j.
5140 (record_reg_classes): Deterine op_types modifiers and initialize
5141 classes[i] before matching constraints. Handle matching
5144 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
5146 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
5149 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5151 * mips.h (EXTRA_SPECS): Add missing initializers.
5153 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5155 * sparc.h (EXTRA_SPECS): Add missing initializers.
5156 (sparc_defer_case_vector): Provide a prototype.
5158 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
5159 comparing it to the result of a pointer subtraction.
5161 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5163 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
5164 the argument to (unsigned char).
5166 * alpha.h (EXTRA_SPECS): Add missing initializers.
5167 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
5170 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
5172 * flow.c (life_analysis_1): Enable "rescan" code after reload.
5173 (propagate_block): Delete dead code after reload.
5175 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
5176 back Oct 15, 1998 change.
5177 * haifa-sched.c (update_flow_info): Likewise.
5178 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
5180 * mn10200.md (truncated shift): Accept constant inputs too.
5182 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
5184 * machmode.h (mode_mask_array): No longer const.
5185 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
5187 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5189 * frame.c: Somewhat explain `FDE'.
5190 Suggested by Brendan Kehoe
5192 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
5194 * expr.c (pending_chain): Move up.
5195 (save_expr_status): Do save pending_chain.
5196 (restore_expr_status): And restore it.
5197 * function.h (struct function): Add pending_chain.
5199 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5201 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
5202 did not match the code.
5204 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5206 * regclass.c (regclass): Break out some code into new function
5207 scan_one_insn, and into regclass_init.
5208 (init_cost): New static variable, moved out of regclass.
5209 (regclass_init): Initialize it here, not in .
5210 (scan_one_insn): New static function, broken out of regclass.
5211 * recog.c (apply_change_group): Break out some code into new
5212 function insn_invalid_p.
5213 (insn_invalid_p): New static fn, broken out of apply_change_group.
5215 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
5217 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
5218 reg_reloaded_contents matches incremented pseudo.
5220 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
5222 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5224 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
5225 addressing modes with side effects. These are currently
5226 placeholders for the C4x target.
5228 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5230 * loop.c (express_from): Make sure that when generating a PLUS of
5231 a PLUS, any constant expression appears on the outermost PLUS.
5233 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
5235 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
5236 works if "$(srcdir)" != ".".
5238 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
5240 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
5241 existing SUBREG if we can, otherwise abort.
5243 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
5245 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
5246 `restrict' is applied to a non-pointer variable.
5248 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
5250 * invoke.texi: Document -flang-isoc9x.
5252 * Makefile.in (OBJS): Add splay-tree.o.
5253 (c-common.o): Depend on rtl.h.
5254 (splay-tree.o): List dependencies and provide build rule.
5256 * rtl.h (record_alias_subset): New function.
5257 * alias.c: Include splay-tree.h.
5258 (alias_set_entry): New type.
5259 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
5260 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
5261 (mems_in_disjoin_alias_sets_p): New function.
5262 (alias_set_compare): Likewise.
5263 (insert_subset_children): Likewise.
5264 (get_alias_set_entry): Likewise.
5266 * tree.h (TYPE_RESTRICT): New macro.
5267 (TYPE_UNQUALIFIED): New manifest constant.
5268 (TYPE_QUAL_CONST): Likewise
5269 (TYPE_QUAL_VOLATILE): Likewise.
5270 (TYPE_QUAL_RESTRICT): Likewise.
5271 (tree_type): Add restrict_flag. Reduce count of free bits.
5272 (DECL_POINTER_ALIAS_SET): New macro.
5273 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
5274 (tree_decl): Add pointer_alias_set.
5275 (build_qualified_type): New function.
5276 (build_type_variant): Define in terms of build_qualified_type.
5277 * tree.c (set_type_quals): New function.
5278 (make_node): Initializae DECL_POINTER_ALIAS_SET.
5279 (build_type_attribute_variant): Use build_qualified_type and
5281 (build_type_variant): Rename, and modify, to become...
5282 (build_qualified_type): New function.
5283 (build_complex_type): Use set_type_quals.
5285 * c-tree.h (C_TYPE_OBJECT_P): New macro.
5286 (C_TYPE_FUNCTION_P): Likewise.
5287 (C_TYPE_INCOMPLETE_P): Likewise.
5288 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
5289 (c_apply_type_quals_to_decl): New function.
5290 (c_build_qualified_type): New function.
5291 (c_build_type_variant): Define in terms of c_build_qualified_type.
5292 (flag_isoc9x): Declare.
5293 * c-typeck.c (qualify_type): Use c_build_qualified_type.
5294 (common_type): Change to use TYPE_QUALS.
5295 (comptypes): Likewise.
5296 (convert_for_assignment): Likewise.
5297 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
5298 * c-decl.c (flag_isoc9x): Define.
5299 (c_decode_option): Handle -flang-isoc9x.
5300 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
5301 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
5302 * c-lex.c (init_lex): Deal with restrict.
5303 (init_lex): Don't treat restrict as a reserved word in
5304 -traditional mode, or without -flang-isoc9x.
5305 * c-lex.h (rid): Add RID_RESTRICT.
5306 * c-parse.gperf (restrict, __restrict, __restrict__): Make
5307 equivalent to RID_RESTRICT.
5308 * c-parse.in (TYPE_QUAL): Update comment.
5309 * c-common.c: Include rtl.h.
5310 (c_find_base_decl): New function.
5311 (c_build_type_variant): Rename, and modify, to become ...
5312 (c_build_qualified_type): New function.
5313 (c_apply_type_quals_to_decl): Likewise.
5314 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
5315 a particular alias set for the reference.
5316 * toplev.c (documented_lang_options): Add -flang-isoc9x.
5318 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
5320 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
5321 command line switches.
5323 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
5325 * reload.c (loc_mentioned_in_p): Add missing braces to bind
5328 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
5330 * gcc.c (option_map): Added --classpath and --CLASSPATH.
5332 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
5334 * regclass.c (fix_register): Add error message.
5335 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
5338 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5340 * c-decl.c (warn_missing_noreturn): New global variable.
5341 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
5342 (finish_function): Implement missing noreturn warning.
5344 * c-tree.h (warn_missing_noreturn): Declare extern.
5346 * invoke.texi: Document new flags.
5348 * toplev.c (documented_lang_options): Add description.
5350 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5352 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
5353 loop optimization stable for the C4x.
5354 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
5355 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
5356 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
5358 (c4x_address_conflict): Be more paranoid when packing a volatile
5359 memref in a parallel load/store.
5361 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5363 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
5364 repeat_block_filler): Deleted.
5365 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
5366 Condition code not set if destination register from 'c' class.
5367 (*subbqi3_carry_clobber): Fix typo.
5369 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5371 * reorg.c (steal_delay_list_from_target) Check for insns that
5372 modify the condition codes and effect the direction of the jump
5375 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
5377 * function.c (purge_addressof_1): Replace call to
5378 emit_insns_before() with emit_insn_before().
5380 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
5382 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
5384 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5386 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
5388 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
5390 * gcse.c (compute_hash_table): Correctly identify hard regs which are
5391 clobbered across calls.
5393 * loop.c (scan_loop): Be more selective about what invariants are
5394 moved out of a loop.
5396 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
5398 * version.c: Bump for snapshot.
5400 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
5402 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
5403 static eh_context structure.
5405 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5407 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
5409 (try_combine): Don't update max_scratch.
5410 * flow.c (max_scratch, num_scratch): Delete variables.
5411 (life_analysis_1): Don't initialize max_scratch.
5412 (propagate_block): Don't update max_scratch.
5413 (mark_set_1): Don't increment num_scratch.
5414 * regs.h (max_scratch): Delete declaration.
5416 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
5418 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
5419 is nonzero. This is temporary!
5421 * sched.c (update_flow_info): Handle death notes made invalid by
5422 instruction splitting. Partially reverts Oct 15, 1998 patch.
5423 * haifa-sched.c (update_flow_info): Likewise.
5425 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
5427 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
5428 if it has a nonzero DECL_INITIAL.
5430 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5432 * Makefile.in (flow.o): Depend on recog.h.
5434 * cpplib.h (directive_table): Add missing initializiers.
5435 (finclude): Change type of variable `bsize' to size_t.
5437 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
5439 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
5441 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
5442 `int' when comparing against one.
5443 (cpp_file_line_for_message): Mark parameter `pfile' with
5445 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
5447 * flow.c: Include recog.h.
5448 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
5450 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
5451 `f' with ATTRIBUTE_UNUSED.
5452 (reposition_prologue_and_epilogue_notes): Likewise.
5454 * genopinit.c (gen_insn): Cast argument of ctype functions to
5457 * haifa-sched.c: Include recog.h.
5458 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
5459 comparing against one.
5461 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
5463 * mips-tfile.c (parse_end): Cast the argument of ctype function to
5465 (parse_ent): Likewise.
5466 (parse_input): Likewise.
5468 * optabs.c (init_libfuncs): Likewise.
5470 * protoize.c (find_rightmost_formals_list): Likewise.
5472 * recog.h (const_double_operand): Fix typo in prototype.
5474 * tlink.c (scan_linker_output): Cast the argument of ctype
5475 function to `unsigned char'.
5477 * toplev.c (check_lang_option): Cast the result of `strlen' to
5478 `int' when comparing against one.
5480 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
5482 * gcse.c (dump_cuid_table): Correct typo.
5484 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
5486 * toplev.c (display_help): Prepend '-m' to target specific
5488 (check_lang_option): Ignore text after end of first word of a
5489 language specific option.
5491 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5493 * reload1.c (reg_used_by_pseudo): New static variable.
5494 (choose_reload_regs): Initialize it.
5495 Use it instead of testing spill_reg_order to determine whether a
5496 pseudo is live in a hard register across the current insn.
5497 Fix a typo in a reference to reload_reg_rtx.
5499 * flow.c (propagate_block): Replace code that computes and uses
5500 regs_sometimes_live with simpler code that just walks the set of
5501 currently live registers.
5503 * Makefile.in (insn-extract.o): Fix dependencies.
5504 * genextract.c (main): Generate includes for insn-config.h and
5506 Delete generation of declarations which are now in recog.h.
5507 * genrecog.c (main): Delete generation of definitions which are
5509 * local-alloc.c (block_alloc): Use extract_insn and the variables
5510 it sets up instead of looking up values by insn_code.
5511 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
5512 recog_dup_num): Define here instead of generating the definition in
5514 (recog_n_operands, recog_n_dups, recog_n_alternatives,
5515 recog_operand_mode, recog_constraints, recog_operand_address_p):
5517 (extract_insn): New function.
5518 * recog.h (extract_insn): Declare function.
5519 (which_alternative, recog_n_operands, recog_n_dups,
5520 recog_n_alternatives, recog_operand_mode, recog_constraints,
5521 recog_operand_address_p): Declare variables.
5522 * regclass.c (n_occurrences): New static function.
5523 * reload.c (n_occurrences): Delete function.
5524 (find_reloads): Use extract_insn.
5525 * reload.h (n_occurrences): Delete declaration.
5527 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
5529 * reload1.c (reload_as_needed): Fix test for when to call
5530 update_eliminable_offsets.
5532 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5534 Fix consistency problems with reg_equiv_{mem,address};
5535 Improve reload inheritance;
5537 * reload.c (reload_out_reg): New variable.
5538 (loc_mentioned_in_p, remove_address_replacements): New functions.
5539 (remove_replacements): Deleted.
5540 (push_reload): Set reload_out_reg[i].
5541 When merging, also set reload_{in,out}_reg[i], and remove
5542 duplicate address reloads.
5543 (combine_reloads): Copy reload_out_reg[i].
5544 (find_reloads): Do make_memloc substitution also when
5545 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
5547 Include *recog_operand_loc in commutativity operand changes.
5548 Generate optional output reloads.
5549 Delete reference to n_memlocs. Don't set *recog_operand_loc before
5550 processing operands. Call make_memloc in reg_equiv_address code.
5551 Set *recog_operand_loc only after processing operands, and only
5552 if replace is true. Return a value.
5553 When changing address reload types for operands that didn't get
5554 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
5555 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
5556 Don't emit USEs for pseudo SUBREGs when not replacing.
5557 (find_reloads_address): Do make_memloc substitution also when
5558 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
5560 (find_reloads_toplev): Likewise.
5561 Call make_memloc in reg_equiv_address code.
5562 (debug_reload_to_stream): Add code to output reload_out_reg.
5563 (make_memloc): Delete local variable i, ifdefed out code, and
5564 references to memlocs and n_memlocs.
5565 (memlocs, n_memlocs): Delete.
5566 (push_secondary_reload): Clear reload_out_reg.
5567 (find_reloads_address_1): Provide memrefloc argument to all calls
5568 to find_reloads_address.
5569 In AUTO_INC code, handle non-directly addressable equivalences properly.
5570 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
5571 (find_reloads): Add return type.
5572 (remove_address_replacements, deallocate_reload_reg): Declare.
5573 * reload1.c (num_not_at_initial_offset): No longer static.
5574 (delete_address_reloads, delete_address_reloads_1): Likewise.
5575 (deallocate_reload_reg): New function.
5576 (spill_reg_stored_to): New array.
5577 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
5578 (eliminate_regs_in_insn): Move assignments of previous_offset and
5579 max_offset fields, and recalculation of num_not_at_initial_offset
5580 into new static function:
5581 (update_eliminable_offsets) .
5582 (reload_as_needed): Call update_eliminable_offsetss after calling
5584 Call forget_old_reloads_1 with contents of reloaded auto_inc
5585 expressions if the actual addressing can't be changed to match the
5587 (choose_reload_regs): For inheritance, replace
5588 reload_reg_free_before_p test with reload_reg_used_at_all test, and
5589 remove stand-alone reload_reg_used_at_all test.
5590 Use reload_out_reg to determine which reload regs have output reloads.
5591 Treat reload_override_in more similar to inherited reloads.
5592 Handle (subreg (reg... for inheritance.
5593 For flag_expensive_optimizations, add an extra pass to remove
5594 unnecessary reloads from known working inheritance.
5595 Delete obsolete code for pseudos replaced with MEMs.
5596 Handle inheritance from auto_inc expressions.
5597 (emit_reload_insns): If reload_in is a MEM, set OLD to
5599 Don't reload directly from oldequiv; if it's a pseudo with a
5600 stack slot, use reload_in[j].
5601 Check that reload_in_reg[j] is a MEM before replacing reload_in
5602 from reg_reloaded_contents.
5603 Include non-spill registers in reload inheritance processing.
5604 Also try to use reload_out_reg to set spill_reg_store /
5605 reg_last_reload_reg.
5606 In code to set new_spill_reg_store, use single_set to find out if
5607 there is a single set.
5608 Add code that allows to delete optional output reloads.
5609 Add code to allow deletion of output reloads that use no spill reg.
5610 At the end, set reload_override_in to oldequiv.
5611 Also call delete_output_reload if reload_out_reg is equal to old
5613 Add code to call delete_output_reload for stores with no matching load.
5614 Set / use spill_reg_stored_to.
5615 Handle case where secondary output reload uses a temporary, but
5616 actual store isn't found.
5617 When looking for a store of a value not loaded in order to call
5618 delete_output_reload, count_occurences should return 0 for no
5619 loads; but discount inherited input reloadill_reg_stored_to.
5620 Do checks for extra uses of REG. Changed all
5622 Use delete_address_reloads.
5623 (reload): Take return value of find_reloads into account.
5624 If a no-op set needs more than one reload, delete it.
5625 (reload_reg_free_before_p): RELOAD_FOR_INPUT
5626 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
5627 for the same operand.
5628 (clear_reload_reg_in_use): Check for other reloads that keep a
5630 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
5631 RELOAD_FOR_OPADDR_ADDR.
5632 Take into account when an address address reload is only needed
5633 for the address reload we are considering.
5634 (count_occurrences): Use rtx_equal_p for MEMs.
5635 (inc_for_reload): Return instruction that stores into RELOADREG.
5636 New argument two, IN, and rtx. Changed all callers.
5637 (calculate_needs_all_insns, reload_as_needed):
5638 Don't clear after_call for a CLOBBER.
5639 Keep track of how many hard registers need to be copied from
5640 after_call, and don't clear after_call before we have seen
5641 that much copies, or we see a different instruction.
5643 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
5645 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
5646 after reload has completed.
5648 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
5650 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
5651 a macro name and the next token with a single blank if that whitespace
5652 is in a macro buffer and the next token is not '('.
5654 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
5656 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
5658 (skip_if_group): Ditto.
5659 (skip_to_end_of_comment): Ditto.
5661 (discard_comments): Ditto.
5662 (change_newlines): Ditto.
5664 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
5666 * c-lex.c (yylex): Fix unaligned access of wchar_t.
5668 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
5670 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
5671 (TARGET_OPTIONS): Add --help documentation.
5673 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5675 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
5677 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
5679 * fixinc/* Moved in from ../contrib directory in preparation
5680 for integrating it into the normal build process. In particular,
5681 fixinc/Makefile.in must be config-ed into the build directory
5682 as fixinc/Makefile. Proposed patches to ./Makefile.in and
5683 ./configure.in will be "in the mail" momentarily.
5685 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
5687 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
5688 accidently walk into the free list. Comment how that can happen.
5689 (invalidate): Fix indentation.
5691 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5692 Jeffrey A Law (law@cygnus.com)
5694 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
5695 reload. Never perform rescans of the insn chain after reload.
5696 (propagate_block): Do not delete insn or create new autoinc addressing
5699 * jump.c (jump_optimize): Unconditionally use the code that was
5700 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
5701 * reload1.c (reload): When reloading is finished, delete all
5702 REG_DEAD and REG_UNUSED notes.
5703 (emit_reload_insns): Delete all code that was conditional on
5704 PRESERVE_DEATH_INFO_REGNO_P.
5705 (no_longer_dead_regs): Delete variable.
5706 (reload_cse_delete_death_notes): Delete function.
5707 (reload_cse_no_longer_dead): Delete function.
5708 (reload_cse_regs_1): Delete all code to handle deletion of death
5710 (reload_cse_noop_set_p): Likewise.
5711 (reload_cse_simplify_set): Likewise.
5712 (reload_cse_simplify_operands): Likewise.
5713 (reload_cse_move2add): Likewise.
5714 * reorg.c (used_spill_regs): Delete declaration.
5715 (max_label_num_after_reload): Delete declaration.
5716 (find_dead_or_set_registers): Don't assume that spill regs are
5717 dead at a CODE_LABEL.
5718 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
5720 * sched.c (sched_analyze_insn): Likewise.
5721 (update_flow_info): Likewise.
5722 * haifa-sched.c (sched_analyze_insn): Likewise.
5723 (update_flow_info): Likewise.
5724 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
5725 * toplev.c (max_label_num_after_reload): Delete variable.
5726 (rest_of_compilation): Don't set max_label_num_after_reload.
5727 Call life_analysis after reload_cse_regs if optimizing.
5728 * config/gmicro/gmicro.h: Delete comment referring to
5729 PRESERVE_DEATH_INFO_REGNO_P.
5730 * config/i386/i386.h: Likewise.
5731 * config/m88k/m88k.h: Likewise.
5732 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
5733 * config/sh/sh.h: Likewise.
5735 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
5737 * loop.c (strength_reduce): Restore marking bct_p as
5739 * rs6000.c (optimization_options): Change #ifdef HAIFA to
5740 HAVE_decrement_and_branch_on_count.
5741 (small_data_operand): Remove TARGET_ELF condition for marking
5742 parameters ATTRIBUTE_UNUSED.
5744 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
5746 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
5747 (SELECT_SECTION): Resync with svr4.h.
5749 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
5751 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
5754 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
5756 * c-pragma.c (handle_pragma_token): Test for null tree before
5757 dereferencing TREE_CODE.
5759 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5761 * config/c4x/c4x.c: Convert to use GEN_INT.
5762 (c4x_parallel_process): Rework to handle new repeat loop structure.
5764 * config/c4x/c4x.md: Convert to use GEN_INT.
5765 (rptb_end): Convert to use GE test. Replace uses with clobbers.
5766 (decrement_and_branch_on_count): Likewise.
5768 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
5769 loop.c has the desired functionality.
5770 (rc_reg_operand): New prototype.
5772 * config/c4x/t-c4x: Can now build all front ends.
5774 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
5776 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
5778 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
5780 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
5781 * config/t-rtems: Do not install assert.h -- use newlib's.
5783 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5785 * combine.c (combine_instructions): When finished, call init_recog.
5786 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
5788 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
5790 * toplev.c: If flag_syntax_only, don't open or write assembler file.
5792 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5794 * cppalloc.c (memory_full): Mark function prototype with
5797 * demangle.h (collect_exit): Likewise.
5799 * fix-header.c (v_fatal, fatal): Likewise.
5801 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
5804 * gcov.c (print_usage): Likewise.
5806 * genattr.c (fatal, fancy_abort): Likewise.
5808 * genattrtab.c (fatal, fancy_abort): Likewise.
5810 * gencodes.c (fatal, fancy_abort): Likewise.
5812 * genconfig.c (fatal, fancy_abort): Likewise.
5814 * genemit.c (fatal, fancy_abort): Likewise.
5816 * genextract.c (fatal, fancy_abort): Likewise.
5818 * genflags.c (fatal, fancy_abort): Likewise.
5820 * genopinit.c (fatal, fancy_abort): Likewise.
5822 * genoutput.c (fatal, fancy_abort): Likewise.
5824 * genpeep.c (fatal, fancy_abort): Likewise.
5826 * genrecog.c (fatal, fancy_abort): Likewise.
5828 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
5829 __sjpopnthrow, __throw): Likewise.
5831 * objc/objc-act.c (objc_fatal): Likewise.
5833 * protoize.c (usage, aux_info_corrupted,
5834 declare_source_confusing): Likewise.
5836 * rtl.c (dump_and_abort): Likewise.
5838 * rtl.h (sets_cc0_p): Likewise.
5840 * toplev.c (float_signal, pipe_closed): Likewise.
5842 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
5844 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
5845 when generating the decision tree for the general case.
5847 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
5848 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
5850 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5852 * Makefile.in (sched.o): Depend on recog.h.
5854 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
5855 (unsigned) when comparing against one.
5856 (find_base_value): Likewise.
5857 (record_base_value): Cast variable `regno' to (unsigned) when
5858 comparing against one. Cast the result of REGNO() macro to
5859 (unsigned) when comparing against one.
5860 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
5862 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
5863 variable where an unsigned index is needed.
5865 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
5866 before comparing against one.
5868 * collect2.c: Add prototypes for functions `error', `fatal' and
5869 `fatal_perror'. Make these functions take variable arguments
5870 instead of faking it with a fixed number of args.
5871 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
5874 * combine.c (can_combine_p): Mark parameter `pred' with
5876 (find_split_point): Cast variable `src' to (unsigned
5877 HOST_WIDE_INT) when comparing against one.
5878 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
5879 (simplify_logical): Likewise.
5880 (force_to_mode): Cast result of INTVAL() macro to (unsigned
5881 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
5882 HOST_WIDE_INT) in shift.
5883 (simplify_and_const_int): Cast result of INTVAL() macro to
5884 `unsigned HOST_WIDE_INT' when comparing against one.
5885 (merge_outer_ops): Cast variable const0 to `unsigned
5886 HOST_WIDE_INT' when comparing against the result of
5887 GET_MODE_MASK() macro.
5888 (simplify_comparison): Likewise for variable `c0'. Cast variable
5889 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
5890 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
5891 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
5892 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
5893 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
5894 comparing against one.
5895 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
5897 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
5898 macro to `unsigned HOST_WIDE_INT' when comparing against one.
5899 (output_block_move): Cast `sizeof' expression to (int) when
5900 comparing against one.
5901 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
5903 (save_restore_insns): Cast `base_offset' to `long' to match format
5904 specifier in fprintf.
5906 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
5907 to `enum machine_mode'.
5909 * flow.c (life_analysis_1): Remove unused variable `insn'.
5911 * gcc.c (translate_options): Move variables `j' and `k' into the
5912 scope in which they are used. Change their types to `size_t'.
5913 (set_spec): Cast the argument of ctype macro to `unsigned char'.
5914 (read_specs): Likewise.
5915 (process_command): Cast `sizeof' to (int) when comparing against one.
5916 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
5917 (handle_braces): Cast both sides of `==' expression to `long' to
5918 ensure sign matching.
5919 (main): Cast variable `i' to `int' when comparing against one.
5921 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
5922 int to size_t. Cast variable `i' to size_t when comparing against
5925 * genattrtab.c (convert_set_attr_alternative): Remove unused
5926 parameter `insn_code'. All callers changed.
5927 (convert_set_attr): Likewise.
5929 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
5930 size_t when comparing against one. Likewise for variable `len'.
5932 * global.c (global_alloc): Cast variable `max_regno' to size_t
5933 when comparing against one. Likewise for variable `max_allocno'.
5935 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
5937 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
5938 `set' with ATTRIBUTE_UNUSED.
5939 (find_free_reg): Cast `sizeof' expression to (int) when comparing
5942 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
5943 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
5944 (get_condition): Cast variable `const_val' to `unsigned
5945 HOST_WIDE_INT' when comparing against one. Cast unsigned
5946 expression to HOST_WIDE_INT when comparing against one.
5947 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
5948 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
5949 `unsigned' when comparing against one.
5951 * protoize.c (is_id_char): Change type of parameter `ch' to
5953 (munge_compile_params): Cast argument of ctype macro to (const
5955 (process_aux_info_file): Cast variable `aux_info_size' to int when
5956 comparing against one.
5957 (forward_to_next_token_char): Cast argument of ctype macro to
5958 `const unsigned char'.
5959 (edit_formals_lists): Likewise.
5960 (find_rightmost_formals_list): Likewise.
5961 (add_local_decl): Likewise.
5962 (add_global_decls): Likewise.
5963 (edit_fn_definition): Likewise.
5964 (do_cleaning): Likewise.
5965 (scan_for_missed_items): Likewise.
5966 (edit_file): Cast variable `orig_size' to (int) when comparing
5968 (main): Cast argument of ctype macro to `const unsigned char'.
5970 * recog.c (const_int_operand): Mark parameter `mode' with
5973 * regclass.c (record_reg_classes): Change type of variable `c' to
5974 `unsigned char'. Cast `char' array index to `unsigned char'.
5976 * reload.c (push_secondary_reload): Cast argument to
5977 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
5979 * reload1.c (calculate_needs): Cast `char' array index to
5981 (set_label_offsets): Change type of variable `i' to unsigned int.
5982 Cast result of XVECLEN() macro to unsigned when comparing against
5984 (mark_not_eliminable): Change type of variable `i' to unsigned.
5985 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
5986 when comparing against one.
5987 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
5988 comparing against one.
5989 (choose_reload_regs): Hide unused label `fail'.
5990 (reload_cse_simplify_operands): Cast `char' array index to
5992 (reload_combine_note_store): Mark parameter `set' with
5993 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
5995 (reload_cse_move2add): Remove unused variable `src2'.
5997 * sched.c: Include recog.h.
5998 (sched_note_set): Remove unused parameter `b'. All callers
6000 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
6001 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
6002 when comparing against one.
6004 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
6005 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
6006 comparing against one.
6008 * unroll.c (precondition_loop_p): Remove unused parameter
6009 `loop_end'. All callers changed.
6011 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6013 * reload1.c (maybe_fix_stack_asms): New static function.
6016 * reload.h (compute_use_by_pseudos): Declare.
6018 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
6019 (something_needs_reloads): Delete variable.
6020 (finish_spills): New function.
6021 (compute_use_by_pseudos): New function.
6023 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
6024 Use the reload_insn_chain instead of walking the rtl directly.
6026 (reload): Allocate and free spilled_pseudos.
6027 Ensure that all calls of spill_hard_reg are followed by a call to
6029 Use the insns_need_reload list instead of something_needs_reloads
6030 to find out if reload_as_needed must be called.
6031 Clear unused_insn_chains at the end.
6033 (calculate_needs_all_insns): Lose FIRST parameter. All callers
6035 Delete code to keep track of current basic block.
6036 Walk reload_insn_chain instead of the rtl structure. Build the
6037 insns_need_reload chain.
6038 Remember which insns need reloading/elimination by setting the
6039 appropriate fields in struct insn_chain, not by putting modes on the
6042 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
6043 arg INSN. All callers changed.
6044 Delete declaration of struct needs.
6045 Don't set something_needs_reloads.
6046 Record insn needs in the CHAIN argument.
6048 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
6050 (reload_as_needed): Lose FIRST arg. All callers changed.
6051 Walk the reload_insn_chain instead of the rtx structure.
6052 Delete code to keep track of current basic block.
6053 Rename one of the NEXT variables to OLD_NEXT.
6055 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
6057 (choose_reload_regs): Likewise.
6059 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
6062 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
6063 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
6064 (hard_regs_live, hard_regs_need_restore): Delete variables.
6065 (n_regs_saved): Now static.
6066 (referenced_regs, this_insn_sets): New variables.
6068 (setup_save_areas): Restructure the code a bit.
6070 (restore_referenced_regs): Delete function.
6071 (mark_referenced_regs): New function, similar to the old
6072 restore_referenced_regs, but mark registers in referenced_regs.
6074 (clear_reg_live): Delete function.
6075 (mark_set_regs): Renamed from set_reg_live. All callers changed.
6076 Only mark registers in this_insn_sets.
6078 (save_call_clobbered_regs): Rework this function to walk the
6079 reload_insn_chain instead of using the list of instructions directly.
6080 Delete code to keep track of register lives, compute live regs on the
6081 fly from information in the chain.
6082 Instead of calling restore_referenced_regs, use mark_referenced_regs,
6083 then walk the set it computes and call insert_restore as appropriate.
6085 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
6087 Restructure the code a bit. Test hard_regs_saved instead of
6088 hard_regs_need_restore.
6089 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
6090 args. All callers changed.
6091 Restructure the code a bit. Use TO_SAVE to determine which regs to
6092 save instead of more complicated test.
6093 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
6095 Create a new insn_chain structure for the new insn and place it
6098 * rtl.texi: Update documentation to reflect that reload no longer
6099 puts modes on the insns.
6101 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
6103 * function.c (purge_addressof_1): Force the first argument of a
6104 CALL insn to memory.
6106 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
6108 * rtl.h: Delete duplicate prototypes. Add some missing
6110 * rtlanal.c: (for_each_rtx): Formatting tweak.
6112 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6114 * real.c (emdnorm and etoasc): Disable round to even for c4x target
6115 to be compatible with TI compiler.
6117 * Makefile.in (USER_H): Add va-c4x.h to definition.
6119 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
6121 * function.c (purge_addressof_1): Fix typo in inequality: do
6122 bitfield optimization for equal mode sizes.
6123 * expmed.c (store_bit_field): Don't take subregs of subregs in
6124 the movstrict case. Tidy a potential problem in the multi-word case.
6125 (extract_bit_field): Likewise.
6127 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6129 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
6131 Compute max_uid_for_flow by calling get_max_uid after the scan.
6132 (find_basic_blocks_1): Don't emit NOPs here.
6134 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
6136 * alias.c (base_alias_check): Accept new args for the modes of the
6137 two references. Use them to determine if an AND can overlap. Update
6139 (memrefs_conflict_p): Assume sizes are aligned, and uses them
6140 to determine if an AND can overlap.
6142 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
6144 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
6145 check. Add comment to document problems with TARGET_SUN_FPA version
6147 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
6149 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6151 * Makefile.in (gencheck.o): Depend on gansidecl.h.
6153 * c-common.c (print_char_table): Add missing initializers.
6154 (scan_char_table): Likewise.
6155 (time_char_table): Likewise.
6157 * c-decl.c (c_decode_option): Mark parameter `argc' with
6159 (declare_parm_level): Mark parameter `definition_flag' with
6162 * c-lex.c (readescape): Use `(unsigned)1' in shift.
6163 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
6166 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
6168 (emit_call_1): Mark parameters `fndecl' and `funtype' with
6170 (expand_call): Cast result of MIN() to (unsigned int) when
6171 comparing against an unsigned value.
6173 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
6175 (make_definition): Remove unused parameter `op'. All callers
6177 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
6178 comparing against the result of pointer arithmetic.
6180 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
6181 when comparing against one.
6183 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
6184 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
6186 (output_die): Move variable `i' into the scope in which it is
6187 used. Change its type to `unsigned'.
6188 (output_die): Cast the result of `strlen' to (int) when passing it
6189 to ASM_OUTPUT_ASCII().
6190 (output_pubnames): Likewise.
6191 (output_line_info): Likewise.
6193 * emit-rtl.c (global_rtl): Add missing initializers.
6195 * explow.c (promote_mode): Mark parameter `for_call' with
6198 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
6199 `unsigned HOST_WIDE_INT' when comparing against one.
6200 (synth_mult): Change type of variable `cost' to int.
6201 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
6203 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
6204 when comparing against one.
6205 (get_inner_reference): Change variable `alignment' to unsigned.
6206 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
6207 int) when comparing against one.
6208 (expand_builtin_setjmp): Change type of variable `i' to size_t.
6210 * fold-const.c (div_and_round_double): Cast BASE to
6211 (HOST_WIDE_INT) when comparing against one.
6213 * gencheck.c: Include gansidecl.h.
6214 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
6216 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
6217 `tcode' with ATTRIBUTE_UNUSED.
6219 * real.c (edivm): Cast constant value to (unsigned long) in
6220 expression compared against an unsigned value.
6222 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
6223 comparing against one.
6224 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
6225 when comparing against one.
6227 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
6228 (unsigned int) when comparing against one. Likewise for
6230 (smallest_mode_for_size): Likewise.
6231 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
6232 (restore_storage_status): Likewise.
6234 * toplev.c (debug_args): Add missing initializer.
6235 (f_options): Spelling correction. Add missing initializers.
6236 (documented_lang_options): Likewise.
6237 (debug_end_source_file): Mark parameter `lineno' with
6240 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
6241 `decl' and `type' with ATTRIBUTE_UNUSED.
6243 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
6244 when comparing against one.
6245 (assemble_variable): Mark parameter `top_level' with
6247 (assemble_external_libcall): Mark parameter `fun' with
6249 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
6252 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
6254 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
6255 Replace use of r5 with use of r19.
6257 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
6259 * config/v850/v850.c (compute_register_save_size): Allow for the
6260 fact that helper functions save all registers, not just those used
6263 Replace constant 31 with macro LINK_POINTER_REGNUM.
6265 * config/v850/v850.md: Use 'indirect_operand' rather than
6266 'memory_operand' for bit test/set/clear patterns.
6268 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
6270 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
6271 * varasm.c (assemble_start_function et al): Don't call
6272 ASM_GLOBALIZE_LABEL for weak symbols.
6274 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
6276 * cse.c (equiv_constant): Check for NULL return from
6277 gen_lowpart_if_possible().
6279 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
6281 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
6283 * collect2.c (main): Pass -EL/-EB through to the compiler.
6285 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6287 * expr.c (push_block): Handle targets where the stack grows
6288 to higher addresses, but args grow to lower addresses and
6289 ACCUMULATE_OUTGOING_ARGS is not defined.
6291 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
6293 * config/v850/v850.c (print_operand): Extend meaning
6294 of 'c' operands to support .vtinherit.
6296 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6298 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
6299 Added ATTRIBUTE_UNUSED to unused function arguments.
6300 (rc_reg_operand): New predicate.
6301 (c4x_rptb_insert): New function.
6302 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
6303 (c4x_optimization_options): New function.
6305 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
6306 (decrement_and_branch_on_count): New pattern.
6307 (rptb_top): Modified pattern to work with BCT optimization.
6309 * config/c4x/c4x.h (RC_REG): New register class.
6310 (rc_reg_operand): Define prototype.
6311 (IS_RC_REG): New macro.
6312 (IS_RC_OR_PSEUDO_REG): New macro.
6313 (IS_RC_OR_PSEUDO_REGNO): New macro.
6314 (OPTIMIZATION_OPTIONS): Define.
6316 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
6318 * collect2.c (extract_init_priority): No priority is 65535.
6320 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6322 * Makefile.in (build_tooldir): new variable, same as old
6323 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
6324 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
6325 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
6327 * configure.in (gxx_include_dir): set default based on unlibsubdir
6328 * Makefile.in (tooldir): ditto
6329 (cccp.o, cpplib.o): use unlibsubdir implicitly through
6330 gxx_include_dir, includedir and tooldir
6331 (protoize.o, unprotoize.o): ditto
6333 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
6335 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
6337 * config/arm/thumb.c (thumb_override_options): Add warning about
6338 PIC code not being supported just yet.
6340 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
6342 * flow.c: Update comment.
6343 (notice_stack_pointer_modification): New static function.
6344 (record_volatile_insns): Use it.
6345 (mark_regs_live_at_end): Mark the stack pointer as alive
6346 at the end of the function if current_function_sp_is_unchanging
6348 (life_analysis_1): Set current_function_sp_is_unchanging.
6349 * function.c: Define it.
6350 (init_function_start): Initialize it.
6351 * output.h: Declare it.
6352 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
6353 the stack pointer as alive at the end of the function if
6354 current_function_sp_is_unchanging is set.
6355 * i386.c (ix86_epilogue): Optimize the restoring
6356 of the stack pointer.
6358 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
6360 * version.c: Bump for snapshot.
6362 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
6364 * c-pragma.c (handle_pragma_token): If passed a token instead
6365 of a tree, use that as the pack value.
6367 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
6369 * flow.c (find_basic_blocks_1): Fix prototype.
6371 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
6373 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
6374 (struct tree_decl): New fields no_check_memory_usage.
6375 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
6376 (init_attributes): Register it as a new attribute.
6377 (decl_attributes): Set flags on functions given that attribute.
6378 * c-decl.c (duplicate_decls): Merge new attribute.
6379 * expr.h (current_function_check_memory_usage): Declare new var.
6380 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
6381 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
6382 current_function_check_memory_usage.
6383 * function.h: Add field to struct function.
6384 * function.c (current_function_check_memory_usage): Define it.
6385 (push_function_context_to, pop_function_context_from): Save and
6387 (expand_function_start): Set it, based on global flag and function
6390 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
6391 check non-automatic variables, to permit detection of writes to
6392 read-only locations in embedded systems without memory management.
6393 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
6394 when emitting chkr_set_right_libfunc call, even if the argument is
6395 BLKmode or variable-sized; don't abort.
6397 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
6398 symbols in Pmode, not VOIDmode.
6400 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
6402 * cppexp.c: When forcing unsigned comparisons, cast both sides
6405 * cpphash.h: Move static declaration of hashtab[]...
6406 * cpphash.c: ...here.
6408 * cpplib.c: Cast difference of two pointers to size_t before
6409 comparing it to size_t. Cast signed to unsigned
6410 before comparing to size_t. (FIXME: struct argdata should use
6411 unsigned buffer sizes.)
6412 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
6413 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
6414 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
6415 size_t before comparison.
6417 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
6419 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
6420 (find_basic_blocks_1): Similarly.
6421 * output.h (find_basic_blocks): Fix prototype.
6422 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
6423 find_basic_blocks anymore.
6425 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
6427 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
6428 (sbitmap_free, sbitmap_vector_free): New macros.
6429 * output.h (rtl_dump_file): Declare.
6431 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
6433 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
6435 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6437 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
6439 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
6440 (divide): Remove unused variable `tmp'.
6441 (si_to_float): Cast numeric constant to (SItype) before comparing
6444 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
6446 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
6447 * gcc.c (add_preprocessor_option): Correct typo when allocating
6448 memory, sizeof() argument had one too many `*'.
6449 (add_assembler_option): Likewise.
6450 (add_linker_option): Likewise.
6451 * gcov.c (output_data): Likewise.
6452 * local-alloc.c (memref_used_between_p): Likewise.
6453 (update_equiv_regs): Likewise.
6454 * loop.c (strength_reduce): Likewise.
6455 * reg-stack.c (record_asm_reg_life): Likewise.
6456 (subst_asm_stack_reg): Likewise.
6457 * reorg.c (dbr_schedule): Likewise.
6459 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
6461 * flow.c (life_analysis_1): Break out some functions.
6462 (find_basic_blocks_1): Likewise. Also move some variables out and
6464 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
6465 new static var nonlocal_label_list with it.
6466 (active_eh_region, nested_eh_region, label_value_list,
6467 nonlocal_label_list): New static variables.
6468 (make_edges, delete_unreachable_blocks, delete_block): New static
6469 functions, broken out of find_basic_blocks_1.
6470 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
6471 noop_move_p): New static functions, broken out of life_analysis_1.
6473 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
6475 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
6476 Take extra care for op0 now possibly being a subreg.
6477 (extract_bit_field): Likewise.
6478 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
6479 the reg to memory if there is no equal sized integral mode.
6480 * stor-layout.c (int_mode_for_mode): New function.
6481 * machmode.h: Prototype it.
6483 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
6485 * global.c (build_insn_chain): Verify no real insns exist past the
6486 end of the last basic block, then exit the loop.
6488 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
6490 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
6492 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
6494 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
6496 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
6498 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
6500 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
6502 * flow.c (find_basic_blocks): Correctly determine when a call
6503 is within an exception region.
6505 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
6507 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
6509 * cpplib.h: Protect from multiple inclusions.
6510 * cpplib.c: Fix minor formatting problems.
6512 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
6514 * jump.c (jump_optimize): Revert accidental patch.
6516 * Makefile.in (cpplib.o): Use unlibsubdir.
6518 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
6520 * loop.c (get_condition): Allow combine when either compare is
6523 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
6525 * version.c: Bump for snapshot.
6527 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
6529 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
6530 (init_lex): Initialize ridpointers[RID_BYREF].
6531 * c-lex.h (enum rid): Add RID_BYREF.
6532 * c-parse.gperf: Add RID_BYREF as a type qualifier.
6533 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
6534 (encode_type_qualifiers): Similarly
6535 * c-gperf.h: Rebuilt.
6537 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
6539 * c-common.c (type_for_mode): Only return TItype nodes when
6540 HOST_BITS_PER_WIDE_INT is >= 64 bits.
6541 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
6542 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
6543 (init_decl_processing): Only create TItype nodes when
6544 HOST_BITS_PER_WIDE_INT is >= 64 bits.
6545 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
6546 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
6548 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
6550 * stmt.c (n_occurrences): New static function.
6551 (expand_asm_operands): Verify that all constrains match in the
6552 number of alternatives.
6553 Verify that '+' or '=' are at the beginning of an output constraint.
6554 Don't allow '&' for input operands.
6555 Verify that '%' isn't written for the last operand.
6556 * reload.c (find_reloads): Abort if an asm is found with invalid
6557 constraints; all possible problems ought to be checked for earlier.
6559 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6561 * flags.h (flag_branch_on_count_reg): Always declare
6562 * toplev.c (flag_branch_on_count_reg): Likewise.
6563 * toplev.c: Fix typos.
6565 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
6568 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
6570 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
6572 (find_basic_blocks_1): Add a nop to the end of a basic block when
6573 a trailing call insn does not have abnormal control flow.
6574 * gcse.c (pre_transpout): New variable.
6575 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
6576 (compute_pre_transpout): Calculate it.
6577 (compute_pre_ppinout): Use it to eliminate impossible placements
6578 due to abnormal control flow through calls.
6579 (compute_pre_data): Call compute_pre_transpout.
6581 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6583 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
6585 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
6587 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
6588 and matching define_insns): Tack on a `use' of the table label, so
6589 flow analysis will recognize a tablejump.
6591 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
6593 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
6594 always end basic blocks for abnormal edge reasons.
6596 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
6598 * config/i386/i386.h: Remove definition of
6599 HANDLE_PRAGMA_PACK_PUSH_POP.
6601 * config/i386/go32.h: Add definition of
6602 HANDLE_PRAGMA_PACK_PUSH_POP.
6604 * config/i386/win32.h: Add definition of
6605 HANDLE_PRAGMA_PACK_PUSH_POP.
6607 * config/i386/cygwin32.h: Add definition of
6608 HANDLE_PRAGMA_PACK_PUSH_POP.
6610 * c-pragma.c (insert_pack_attributes): Do not insert
6611 attributes unless #pragma pack(push,<n>) is in effect.
6613 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
6615 * expr.c (emit_group_store): Handle a PARALLEL destination.
6617 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
6619 * gcse.c (pre_insert_insn): When a call ends a bb, insert
6620 the new insns before the argument regs are loaded.
6622 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6624 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
6625 (c-parse.gperf): Update comments describing invocation flags.
6626 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
6628 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
6630 * reload1.c (reload): Call free before clobbering the memory
6631 locations or constants pointers.
6633 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6635 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
6636 for efficiency by checking whether we need to modify the current
6637 stack permission at all.
6638 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
6639 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
6640 __enable_execute_stack libcall here too if
6641 TRANSFER_FROM_TRAMPOLINE is defined.
6642 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
6645 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
6647 * Makefile.in (DRIVER_DEFINES): Remove last change.
6649 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
6651 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
6652 insns we're going to copy.
6653 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
6655 * loop.c (count_one_set): Add prototype.
6657 * caller-save.c (restore_referenced_regs): Lose mode argument.
6658 (insert_save): Lose mode argument.
6659 (insert_restore): Lose mode argument.
6660 (insert_one_insn): Lose mode argument.
6661 (save_call_clobbered_regs): Lose mode argument.
6662 (setup_save_areas): Take no argument and return void. All callers
6664 Don't verify validity of memory addresses.
6665 * reload.h (setup_save_ares): Adjust prototype.
6666 (save_call_clobbered_regs): Likewise.
6667 * reload1.c (delete_caller_save_insns): New function.
6668 (caller_save_spill_class): Delete variable.
6669 (caller_save_group_size): Delete variable.
6670 (reload): Call setup_save_areas and save_call_clobbered_regs
6671 in the main loop, before calling calculate_needs_all_insns.
6672 Don't call save_call_clobbered_regs after the loop.
6673 Call delete_caller_save_insns at the end of an iteration if
6675 Delete code to manage caller_save_spill_class.
6676 Emit the final note before setting reload_first_uid.
6677 Simplify test that determines whether reload_as_needed gets run.
6678 (calculate_needs): Delete code to manage caller_save_spill_class.
6680 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
6682 * collect2.c (main): Initialize ld_file_name.
6684 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
6686 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
6687 check for flag_function_sections.
6689 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6691 * cse.c (insert_regs): Fix bug in Sep 24 change.
6693 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6695 * flags.h (flag_dump_unnumbered): Declare.
6696 * toplev.c (flag_dump_unnumbered): Don't declare.
6697 * print-rtl.c (flags.h): Include.
6698 (print_rtl_single): Add return value.
6699 * rtl.h (print_rtl_single): Update declaration.
6700 * flow.c (flag_dump_unnumbered): Don't declare.
6701 (print_rtl_with_bb): Use return value of print_rtl_single.
6703 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
6705 * loop.c (count_one_set): New static function, broken out of
6707 (count_loop_regs_set): Call it.
6708 * global.c (mark_reg_store): Handle clobbers here by not calling
6710 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
6711 is in fact a clobber.
6712 * integrate.c (process_reg_param): New function, broken out of
6713 expand_inline_function.
6714 (expand_inline_function): Call it.
6717 * i386.md (addsidi3_1): Delete unused variable temp.
6718 (addsidi3_2): Likewise.
6719 (clstrstrsi): Delete unused variable addr1.
6721 * rtl.h: Don't declare any functions also declared in recog.h.
6723 * Makefile.in (stupid.o): Update dependencies.
6724 (global.o): Likewise.
6726 * global.c: Include reload.h
6727 (reg_becomes_live): New function.
6728 (reg_dies): New function.
6729 (build_insn_chain): New function.
6730 (global_alloc): Call build_insn_chain before calling reload.
6732 * reload.h (struct needs): New structure definition.
6733 (struct insn_chain): Likewise.
6734 (reload_insn_chain): Declare variable.
6735 (new_insn_chain): Declare function.
6738 * reload1.c (reload_startobj): New variable.
6739 (reload_insn_chain): New variable.
6740 (unused_insn_chains): New variable.
6741 (new_insn_chain): New function.
6742 (init_reload): Initialize reload_startobj, not reload_firstobj.
6743 (reload): Initialize reload_firstobj.
6744 Before returning, free everything on the reload_obstack.
6746 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
6747 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
6748 current_chain): New variables.
6749 (reg_where_born): Delete variable.
6750 (REG_WHERE_BORN): New macro.
6751 (find_clobbered_regs): New function.
6752 (stupid_life_analysis): Don't allocate/free reg_where_born.
6753 Allocate and free reg_where_born_exact, reg_where_born_clobber,
6754 reg_where_dead_chain.
6755 Use REG_WHERE_BORN instead of reg_where_born.
6756 While processing the insns, build the reload_insn_chain with
6757 information about register lifetimes.
6758 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
6759 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
6761 Compute and information about birth and death of pseudo registers in
6762 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
6763 Delete code to set elements of reg_where_born.
6765 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
6767 * tree.def (GOTO_EXPR): Modified documentation.
6768 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
6771 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
6773 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
6774 loop_final_value, loop_comparison_code): No longer static.
6775 (unroll_loop): Delete loop_start_value update.
6776 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
6777 loop_final_value, loop_comparison_code): Extern.
6778 (loop_start_value): Delete extern.
6779 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
6780 loop_comparison_value, loop_comparison_code): Delete.
6781 (loop_optimize): Remove initialization for deleted variables.
6782 (strength_reduce): Delete analyze_loop_iterations call. Only call
6783 insert_bct if flag_branch_count_on_reg set.
6784 (analyze_loop_iterations): Delete.
6785 (insert_bct): Remove iteration count calculation. Move checks for
6786 viable BCT optimization to here. Obtain iteration count from
6787 loop_iterations and correct for unrolling. Check for enough
6788 iteration to be beneficial. Comment out runtime iteration count
6790 (insert_bct): Print iteration count in dump file. Remove
6791 loop_var_mode and use word_mode directly.
6793 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
6794 * rs6000.c (rs6000_override_options): Use it.
6795 (optimization_options): Enable use of flag_branch_on_count_reg.
6796 * rs6000.md (define_function_unit): Describe 604e.
6798 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6800 * loop.c (move_movables): Corrected threshold calculation for
6801 moved_once registers.
6803 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
6805 * loop.c (combine_givs_p): Fix test for identical givs.
6807 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
6809 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
6810 call abort if the function is already defined.
6812 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
6814 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
6815 truncation is not a no-op.
6817 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
6819 * version.c: Bump for snapshot.
6821 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
6823 * version.c: Bump for snapshot.
6825 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
6827 * expmed.c (expand_divmod): Don't widen for computing remainder
6828 if we seem to have a divmod pattern for needed mode.
6830 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
6832 * cpplib.c (macroexpand): Correct off-by-one error in handling
6835 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
6837 * combine.c (expand_field_assignment): Don't do bitwise operations
6838 on MODE_FLOAT; pun to MODE_INT if possible.
6840 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
6841 scott snyder <snyder@d0sgif.fnal.gov>
6843 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
6844 linker. Recognize mangled names in quotes.
6846 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6848 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
6849 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
6850 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
6851 (lshrsi3_extend, lshrsi3_extend2): Ditto.
6853 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6855 * function.c (purge_addressof_1): If trying to take a sub-word
6856 integral piece of a floating point mode, put it on the stack.
6858 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
6860 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
6862 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
6864 * PROJECTS: Remove template friends.
6866 * collect2.c (sort_ids): Remove unused variable.
6868 * tm.texi (MATH_LIBRARY): Document.
6869 (NEED_MATH_LIBRARY): Remove.
6871 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
6872 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
6874 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
6876 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
6877 last_end to 0x7fffffff.
6879 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6881 * function.c (purge_addressof_1): Do not perform endianness
6882 corrections on bitpos, who we call will do it for us.
6884 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
6886 * h8300.c (WORD_REG_USED): Fix typo.
6887 (initial_offset): Use WORD_REG_USED.
6889 * h8300.c (handle_pragma): Fix typo.
6891 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
6893 * caller-save.c (insert_save_restore): Break this function up
6894 into new functions insert_restore, insert_save and insert_one_insn.
6895 All callers changed.
6896 (insert_restore): New function, mostly broken out of
6897 insert_save_restore.
6898 (insert_save): Likewise.
6899 (insert_one_insn): Likewise.
6900 (restore_referenced_regs): New argument BLOCK. All callers changed.
6901 (save_call_clobbered_regs): Don't keep track of basic block boundaries
6902 in this function, do it in insert_one_insn instead.
6904 * reload1.c (reload): Break out some more pieces into separate
6906 (dump_needs): New function, broken out of reload.
6907 (set_initial_elim_offsets): Likewise.
6908 (init_elim_table): Likewise.
6909 (update_eliminables): Likewise.
6911 * global.c (global_alloc): Delete code to manage the scratch_list.
6912 * local-alloc.c (qty_scratch_rtx): Delete.
6913 (scratch_block): Delete.
6914 (scratch_list): Delete.
6915 (scratch_list_length): Delete.
6916 (scratch_index): Delete.
6917 (alloc_qty_for_scratch): Delete.
6918 (local-alloc): Update initialization of max_qty.
6919 Delete code to manage the scratch list.
6920 Delete code to allocate/initialize qty_scratch_rtx.
6921 (block_alloc): Don't allocate quantities for scratches.
6922 Delete code to manage the scratch list.
6923 * regs.h (scratch_list): Delete declaration.
6924 (scratch_block): Delete declaration.
6925 (scratch_list_length): Delete declaration.
6926 * reload1.c (reload): Delete code to manage the scratch list.
6927 (spill_hard_reg): Likewise.
6928 (mark_scratch_live): Delete.
6930 * recog.c (alter_subreg): Delete declaration.
6932 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
6934 * Makefile.in (cccp.o): Fix typo in last patch.
6936 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6938 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
6939 * config/sh/lib1funcs.asm (___set_fpscr): Add.
6941 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
6943 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
6944 NULL_RTX as an argument.
6946 * Makefile.in (unlibsubdir): Define.
6947 (DRIVER_DEFINES): Use unlibsubdir.
6948 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
6949 (stmp-fixinc): Similarly.
6951 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
6953 * regmove.c (regmove_optimize): Add variable old_max_uid.
6954 At the end of the function, update basic_block_end.
6956 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6958 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
6959 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
6962 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
6964 * config/arm/arm.c: Improve interworking support.
6966 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6968 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
6969 copied from reload_out[r] .
6971 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
6973 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
6974 with more than three size ranges.
6976 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
6978 * rtl.c (mode_name): Add a null string at the end of the array.
6979 (mode_wider_mode): Change type to unsigned char.
6980 (mode_mask_array): New variable.
6981 (init_rtl): Update for mode_wider_mode type change.
6983 * rtl.h (mode_wider_mode): Change type to unsigned char.
6984 (mode_mask_array): Declare.
6985 (GET_MODE_MASK): Use mode_mask_array.
6987 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
6989 * calls.c (expand_call) : Encapsulate code into
6990 copy_blkmode_from_reg.
6991 * expr.c (copy_blkmode_from_reg): New function.
6992 * expr.h (copy_blkmode_from_reg): New function.
6993 * integrate.c (function_cannot_inline_p): We can inline
6995 (expand_inline_function): Use copy_blkmode_from_reg
6996 if needed. Avoid creating BLKmode REGs.
6997 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
7000 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
7002 * config/v850/v850.c: Add function prototypes.
7003 Add support for v850 special data areas.
7005 * config/v850/v850.h: Add support for v850 special data areas.
7007 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
7008 HANDLE_PRAGMA_PACK_PUSH_POP.
7009 (push_alignment): New function: Cache an alignment requested
7010 by a #pragma pack(push,<n>).
7011 (pop_alignment): New function: Pop an alignment from the
7013 (insert_pack_attributes): New function: Generate __packed__
7014 and __aligned__ attributes for new decls whilst a #pragma pack
7016 (add_weak): New function: Cache a #pragma weak directive.
7017 (handle_pragma_token): Document calling conventions. Add
7018 support for #pragma pack(push,<n>) and #pragma pack (pop).
7020 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
7021 are defined enable HANDLE_PRAGMA_PACK.
7022 Move 'struct weak_syms' here (from varasm.c).
7023 Add pragma states for push and pop pragmas.
7025 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
7028 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
7029 HANDLE_GENERIC_PRAGMAS.
7031 * varasm.c: Move definition of 'struct weak_syms' into
7033 (handle_pragma_weak): Deleted.
7035 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
7037 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
7039 * c-decl.c (start_function): Add invocation of
7040 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
7042 * tm.texi: Remove description of non-existant macro
7043 SET_DEFAULT_SECTION_NAME.
7045 (HANDLE_SYSV_PRAGMA): Document.
7046 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
7048 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
7050 * config.sub: Recognize i[34567]86-pc-udk as new target.
7051 * configure.in: Likewise.
7052 * config/i386/t-udk: New file.
7053 * config/i386/udk.h: New file.
7055 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
7057 * reorg.c (check_annul_list_true_false): Remove unused variables.
7058 (steal_delay_list_from_target): Add missing "used_annul" variable.
7059 (try_merge_delay_insns): Close out half formed comment.
7061 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
7063 * cpplib.c (macroexpand): If arg->raw_before or
7064 arg->raw_after, remove any no-reexpansion escape at the
7065 beginning of the pasted token. Correct handling of whitespace
7066 markers and no-reexpand markers at the end if arg->raw_after.
7068 * toplev.c (documented_lang_options): Recognize -include,
7069 -imacros, -iwithprefix, -iwithprefixbefore.
7070 * cpplib.c (cpp_start_read): Process -imacros and -include
7071 switches at the same time and in command-line order, after
7072 initializing the dependency-output code. Emit properly nested
7073 #line directives for them. Emit a #line for the main file
7074 before processing these switches, and don't do it again
7077 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
7079 * function.c (purge_addressof_1): Use bitfield manipulation
7080 routines to handle mem mode < reg mode.
7082 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7084 * reorg.c (try_merge_delay_insns): Account for resources referenced
7085 in each instruction in INSN's delay list before trying to eliminate
7086 useless instructions. Similarly when looking at a trial insn's delay
7089 * reorg.c (check_annul_list_true_false): New function.
7090 (steal_delay_list_from_{target,fallthrough}): Call it and also
7091 refine tests for when we may annul if already filled a slot.
7092 (fill_slots_from_thread): Likewise.
7093 (delete_from_delay_slot): Return newly-created thread.
7094 (try_merge_delay_isns): Use its new return value.
7096 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
7098 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
7099 used to compute a giv or as some other non-counting use.
7101 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7103 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
7104 * local-alloc.c (find_free_reg): Use it.
7105 * global.c (find_reg): Likewise.
7106 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
7108 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
7109 * caller-save.c (init_caller_save): Use it.
7110 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
7112 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
7114 * configure.in: Add --enable-cpplib option which uses cpplib
7115 for cpp, but doesn't link cpplib into cc1. Make help text
7116 capitalization consistent.
7117 * configure: Rebuilt.
7119 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
7121 * function.c (gen_mem_addressof): If the address REG is
7122 REG_USERVAR_P make the new REG be so also.
7123 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
7124 in an attempt to clarify slightly.
7126 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
7128 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
7129 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
7131 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
7133 * toplev.c: Fix last patch.
7135 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
7137 * loop.c (get_condition): Fix typo in May 9 change.
7139 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
7141 * invoke.texi (-fexceptions): Merge 2 different descriptions.
7143 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7145 * toplev.c (documented_lang_options): Spelling corrections.
7147 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
7149 * configure.in: new flags --with-ld and --with-as, equivalent
7150 to setting LD and AS environment variables. Test whether
7151 specified arguments are GNU commands, and report them with
7152 checking messages. Use the specified AS for configure
7155 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
7157 * gcc.c (find_a_file): when looking for `as' and `ld', return
7158 the DEFAULT program if it exists
7159 * collect2.c (main): use DEFAULT_LINKER if it exists
7161 * gcc.c (find_a_file): the test for existence of a full
7162 pathname was reversed
7164 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
7166 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
7167 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
7169 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
7171 * tree.h (TYPE_BINFO): Document.
7173 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
7175 * i386-coff.h (dbxcoff.h): Added.
7177 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
7179 * toplev.c: fix bad patch around flag_data_sections.
7181 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
7183 * reload1.c (reload): Use reload_address_index_reg_class and
7184 reload_address_base_reg_class when setting
7185 caller_save_spill_class. (Patch generated by Jim Wilson:
7188 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
7190 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
7191 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
7192 * expr.c (store_field): Add alias_set parameter. Set the
7193 MEM_ALIAS_SET accordingly, if the target is a MEM.
7194 (expand_assignment): Use it.
7195 (store_constructor_field): Pass 0.
7196 (expand_expr): Likewise.
7198 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
7200 * flags.h: Add flag_data_sections.
7201 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
7202 (compile_file): Error if flag_data_sections not supported.
7203 * varasm.c (assemble_variable): Handle flag_data_sections.
7204 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
7205 * config/mips/elf.h: Likewise.
7206 * config/mips/elf64.h: Likewise.
7207 * invoke.texi: Describe -fdata-sections.
7209 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
7211 * invoke.texi (-ffloat-store): Clarify that this option
7212 does not affect intermediate results -- only variables.
7214 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
7216 * cpp.texi: Update for Fortran usage from Craig.
7218 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
7220 * rs6000.c (function_arg_boundary): Revert accidental change on
7223 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
7225 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
7226 (output_mi_thunk): Declare.
7228 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
7229 (output_function_profiler): Use r12 for temp, instead of r11 so
7230 that we preserve the static chain register.
7232 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
7234 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
7236 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7238 * sh.c (gen_shl_sext): Fix case 5.
7240 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7242 * reload1.c (reload_combine): Re-add line that got accidentally lost.
7244 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7246 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
7247 accessing variables until they are initialized via va_arg().
7249 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7251 * reload1.c (reload_combine): Initialize set before using.
7253 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
7255 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
7258 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
7260 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
7261 operand3 with mask before using it. Patch provided by Jim Wilson.
7263 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7265 * config/sparc/sparc.c (function_value): Perform the equivalent of
7266 PROMOTE_MODE for ARCH64.
7267 (eligible_for_epilogue_delay): Allow DImode operations in delay
7268 slot of a return for ARCH64.
7270 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7272 * sh.md (sqrtsf2): Fix mode of sqrt.
7274 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7276 * reload1.c (choose_reload_regs): Also try inheritance when
7277 reload_in is a stack slot of a pseudo, even if we already got a
7280 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7282 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
7283 (reload_cse_regs): New function body: call reload_cse_regs_1,
7284 reload_combine, reload_cse_move2add.
7285 When doing expensive_optimizations, call reload_cse_regs_1 a
7286 second time after reload_cse_move2add.
7287 (reload_combine, reload_combine_note_store): New functions.
7288 (reload_combine_note_use): New function.
7289 (reload_cse_move2add, move2add_note_store): New functions.
7291 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7293 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
7294 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
7296 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
7297 more than 3 such reloads.
7299 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
7300 RELOAD_FOR_X_ADDR_ADDR reload.
7302 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7304 * expr.c (store_constructor): When initializing a field that is smaller
7305 than a word, at the start of a word, try to widen it to a full word.
7307 * cse.c (cse_insn): When we are about to change a register,
7308 remove any invalid references to it.
7310 (remove_invalid_subreg_refs): New function.
7311 (mention_regs): Special treatment for SUBREGs.
7312 (insert_regs): Don't strip SUBREG for call to mention_regs.
7313 Check if reg_tick needs to be bumped up before that call.
7314 (lookup_as_function): Try to match known word_mode constants when
7315 looking for a norrower constant.
7316 (canon_hash): Special treatment for SUBREGs.
7318 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7320 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
7321 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
7322 defined, emit libcall to __enable_execute_stack. Also fix opcodes
7323 and offsets in actual stack trampoline code so they match the
7324 commentary and actually work.
7326 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7328 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
7330 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
7331 tmake_file. Set extra_parts to needed crt objects.
7332 * configure: Rebuilt.
7333 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
7334 (TARGET_DEFAULT): Set if default is v9 or ultra.
7335 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
7336 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
7337 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
7338 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
7339 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
7340 (TARGET_VERSION): Define.
7341 (MULTILIB_DEFAULT): Define.
7342 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
7343 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
7344 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
7346 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
7347 * config/sparc/sparc.c (sparc_override_options): If arch and
7348 pointer size disagree, emit diagnostic and fix it up. If
7349 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
7350 V8PLUS in 64-bit mode.
7351 * config/sparc/t-linux64: New file.
7352 * config/sparc/t-sol2-64: New file.
7353 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
7354 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
7355 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
7356 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
7357 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
7358 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
7360 (STARTFILE_SPEC): Set approriately based upon those.
7361 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
7362 disposition of DEFAULT_ARCH32_P.
7363 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
7364 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
7365 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
7366 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
7367 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
7369 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
7371 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
7373 * rtl.h (init_virtual_regs): New function.
7374 * emit-rtl.c (init_virtual_regs): Define.
7375 (insn_emit): Use it.
7376 * integrate.c (save_for_inline_copying): Likewise.
7378 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
7380 * config/arm/thumb.h: The following patches were made by Jim Wilson:
7381 (enum reg_class): Add NONARG_LO_REGS support.
7382 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
7383 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
7384 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
7385 completes. Re-enable HImode REG+OFFSET addresses.
7386 (LEGITIMIZE_RELOAD_ADDRESS): Define.
7388 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
7390 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
7392 * alpha.c (get_aligned_mem): Revert Sep 20 change.
7393 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
7394 (alpha_align_insns): Properly calculate initial offset wrt max_align.
7396 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
7398 * arm.c (find_barrier): Revert change of Apr 23. Handle table
7399 jumps as a single entity, taking into account the size of the
7402 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7404 * tree.def (SWITCH_EXPR): New tree node definition.
7406 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
7408 * version.c: Bump for snapshot.
7410 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
7412 * version.c: Bump for snapshot.
7414 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
7416 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
7419 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
7421 * Revert this patch.
7422 * reload.c (find_reloads): Do not replace a pseudo with
7423 (MEM (reg_equiv_addr)) in the initializing insn for the
7426 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
7428 * final.c (final_scan_insn): Disable tracking CC across branches.
7430 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
7432 * expr.h (eh_rtime_match_libfunc): New extern declaration.
7433 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
7434 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
7435 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
7436 NULL. Only include <stdio.h> if inhibit_libc is not defined.
7438 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
7440 * toplev.c (rest_of_compilation): Skip compiling anything with
7441 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
7443 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
7445 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
7446 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
7447 use in_libcall_block.
7448 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
7449 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
7452 Mon Sep 21 14:02:23 1998
7454 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
7455 typo in no-fancy-math-387 description.
7457 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
7459 * version.c: Bump for snapshot.
7461 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
7463 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
7465 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
7467 * i386.h: (TARGET_SWITCHES) Add description fields for flags
7468 documented in install.texi.
7469 (TARGET_OPTIONS) Likewise.
7471 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
7473 * version.c: Bump for snapshot.
7475 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
7477 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
7478 * cccp.c (main): Likewise.
7480 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
7481 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
7484 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
7486 * Makefile.in (LIBS): Link in libiberty.a.
7487 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
7489 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
7491 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
7492 it to update bb boundaries. Update caller.
7493 * function.c (reposition_prologue_and_epilogue_notes): Update
7494 bb boundaries wrt the moved note.
7496 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
7498 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
7500 * configure: Regenerate.
7502 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
7504 * alpha.c (alpha_sr_alias_set): New variable.
7505 (override_options): Set it.
7506 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
7507 (mode_mask_operand): Fix signed-unsigned comparision warning.
7508 (alpha_expand_block_move): Likewise.
7509 (print_operand): Likewise.
7510 (get_aligned_mem): Use change_address.
7511 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
7512 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
7513 (alphaev4_next_nop, alphaev5_next_nop): New functions.
7514 (alpha_align_insns): Remade from old alphaev5_align_insns
7515 to handle multiple processors.
7516 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
7517 * output.h (label_to_alignment): Prototype.
7519 * tree.c (new_alias_set): New function.
7520 * tree.h (new_alias_set): Declare it.
7521 * c-common.c (c_get_alias_set): Use it.
7523 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
7525 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
7526 to an ABS expr, convert an unsigned input to signed.
7528 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
7530 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
7532 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7534 * configure.in: Add support for c4x targets.
7535 * configure: Rebuilt.
7537 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
7539 * combine.c (distribute_notes): If an insn is a cc0 user, only
7540 delete it if we can also delete the cc0 setter.
7542 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
7544 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
7545 (invert_truthvalue): Enable truthvalue inversion for
7546 floating-point operands if -ffast-math.
7548 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
7550 * configure.in: Disable collect2 for nextstep. Instead use
7552 * configure: Rebuilt.
7553 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
7554 (ENDFILE_SPEC): Define.
7555 (OBJECT_FORMAT_MACHO): Define.
7556 (EH_FRAME_SECTION_ASM_OP): Define.
7557 * crtstuff.c: Handle MACHO.
7559 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
7561 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
7563 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
7565 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
7566 (_fpadd_parts): Get sign right for 0.
7568 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7570 * ginclude/varargs.h: Add support for C4x target.
7571 * ginclude/stdargs.h: Likewise.
7573 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
7575 * alpha.c (alpha_return_addr): SET should be VOIDmode.
7576 (alpha_emit_set_long_const): Rewrite to be callable from reload
7578 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
7579 * alpha.md (movdi): Likewise.
7581 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
7583 * arm.c (add_constant): New parameter address_only, change caller.
7584 Set it non-zero if taking the address of an item in the pool.
7585 (arm_reorg): Handle cases where we need the address of an item in
7588 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
7590 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
7591 memory addresses that are not in standard canonical form.
7593 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
7595 * README.C4X: New file with information about the c4x ports.
7596 * ginclude/va-c4x.h: New file for c4x varargs support.
7597 * config/c4x: New directory with c4x port files.
7599 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
7601 * reload.c (find_reloads): Do not replace a pseudo with
7602 (MEM (reg_equiv_addr)) in the initializing insn for the
7605 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
7607 * toplev.c (rest_of_compilation): Set bct_p on second call to
7609 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
7611 (strength_reduce): Only call analyze_loop_iterations and
7612 insert_bct if bct_p set.
7613 (check_dbra_loop): Fix typo.
7614 (insert_bct): Use word_mode instead of SImode.
7615 (instrument_loop_bct): Likewise. Do not delete iteration count
7616 condition code generation insn. Initialize iteration count before
7618 * rtl.h (loop_optimize): Update prototype.
7620 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
7621 not doubleword aligned.
7623 * rs6000.c (optimization_options): New function.
7624 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
7625 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
7626 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
7627 first; cr1 can be used for FP record condition insns.
7629 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
7631 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
7634 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
7637 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
7639 (block_move_call): New function: Call a library routine to copy a
7641 (m32r_expand_block_move): New function: Expand a "movstrsi"
7642 pattern into a sequence of insns.
7643 (m32r_output_block_move): New function: Expand a
7644 "movstrsi_internal" pattern into a sequence of assembler opcodes.
7645 (m32r_block_immediate_operand): New function: Return true if the
7646 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
7648 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
7650 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
7652 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
7654 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7656 * regmove.c (copy_src_to_dest): Check that modes match.
7658 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
7660 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
7662 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
7664 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
7665 narrower than FLOAT_REGS.
7667 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
7669 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
7671 * Makefile.in (old_gxx_include_dir): removed
7673 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
7675 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
7678 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
7679 (sh_handle_pragma): Change function arguments to match new
7680 specification for HANDLE_PRAGMA.
7682 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7684 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
7686 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
7687 When generating output, initialize missing struct member to zero.
7689 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7691 * regmove.c (copy_src_to_dest): Don't copy if that requires
7692 (a) new register(s).
7694 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7696 * global.c (reg_allocno): Now static.
7697 * reload1.c (reg_allocno): Delete declaration.
7698 (order_regs_for_reload): Take no arguments. Don't treat regs
7699 allocated by global differently than those allocated by local-alloc.
7701 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
7703 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
7704 condition, fix format strings.
7705 (output_function_epilogue): Likewise.
7707 * m68k/m68k.c: Don't include <stdlib.h> directly.
7709 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
7711 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
7712 mem_first_set, mem_last_set; because 0 can be a CUID.
7713 (oprs_unchanged_p): Use new definition.
7714 (record_last_reg_set_info): Likewise.
7715 (record_last_mem_set_info): Likewise.
7716 (compute_hash_table): Likewise.
7718 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
7720 * rs6000.c (output_epilogue): Handle Chill.
7722 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
7723 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
7725 * combine.c (make_extraction): If no mode is specified for
7726 an operand of insv, extv, or extzv, default it to word_mode.
7727 (simplify_comparison): Similarly.
7728 * expmed.c (store_bit_field): Similarly.
7729 (extract_bit_field): Similarly.
7730 * function.c (fixup_var_regs_1): Similarly.
7731 * recog.c (validate_replace_rtx_1): Similarly.
7732 * mips.md (extv, extzv, insv expanders): Default modes for most
7733 operands. Handle TARGET_64BIT.
7734 (movdi_uld, movdi_usd): New patterns.
7736 * pa.c (emit_move_sequence): Do not replace a pseudo with its
7737 equivalent memory location unless we have been provided a scratch
7738 register. Similarly do not call find_replacement unless a
7739 scratch register has been provided.
7741 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7743 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
7746 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
7748 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
7749 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
7750 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
7751 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
7752 * c-decl.c (init_decl_processing): Update accordingly.
7753 * expr.c (expand_builtin): Likewise.
7755 * rtl.h (global_rtl): Add cfa entry.
7756 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
7757 (LAST_VIRTUAL_REGISTER): Update.
7758 * emit-rtl.c (global_rtl): Add cfa entry.
7759 (init_emit): Initialize it.
7760 * function.c (cfa_offset): New.
7761 (instantiate_virtual_regs): Initialize it.
7762 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
7763 (expand_function_end): Call expand_eh_return.
7764 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
7766 * except.c (current_function_eh_stub_label): Kill.
7767 (current_function_eh_old_stub_label): Likwise; update all references.
7768 (expand_builtin_set_return_addr_reg): Kill.
7769 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
7770 (expand_builtin_set_eh_regs): Kill.
7771 (eh_regs): Produce a third reg for the actual handler address.
7772 (eh_return_context, eh_return_stack_adjust): New.
7773 (eh_return_handler, eh_return_stub_label): New.
7774 (init_eh_for_function): Initialize them.
7775 (expand_builtin_eh_return, expand_eh_return): New.
7776 * except.h: Update prototypes.
7777 * flow.c (find_basic_blocks_1): Update references to the stub label.
7778 * function.h (struct function): Kill stub label elements.
7780 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
7781 register number is one that would be in the previous window.
7782 Provide a dummy definition for non-windowed targets.
7783 (get_reg_addr): New function.
7784 (get_reg, put_reg, copy_reg): Use it.
7785 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
7786 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
7788 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
7789 (alpha_init_expanders): Initialize it.
7790 (alpha_expand_epilogue): Use it.
7791 * alpha.h: Declare it.
7792 * alpha.md (eh_epilogue): New.
7794 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
7795 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
7797 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
7799 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
7802 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
7804 * except.h (struct eh_entry): Add false_label field.
7805 (end_catch_handler): Add prototype.
7806 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
7807 (start_catch_handler): When using old style exceptions, issue
7808 runtime typematch code before continuing with the handler.
7809 (end_catch_handler): New function, generates label after handler
7810 if needed by older style exceptions.
7811 (expand_start_all_catch): No need to check for new style exceptions.
7812 (output_exception_table_entry): Only output the first handler label
7813 for old style exceptions.
7814 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
7815 mechanism into one function, if a runtime matcher is provided.
7817 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
7819 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
7821 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
7823 * integrate.c (copy_decl_list): Fix typo.
7825 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7827 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
7830 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
7832 * version.c: Bump for snapshot.
7834 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
7836 * version.c: Bump for snapshot.
7838 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
7840 * version.c: Bump for snapshot.
7842 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7844 * invoke.texi (C Dialect Options): Put back missing @end itemize.
7846 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
7848 * configure.in: remove usage of `!' to negate the result of a
7849 command; some common shells do not support it
7851 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7853 * configure.in: in sparc9-sol2 config, use 'if test' not
7855 * configure: Rebuilt.
7857 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
7859 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
7860 (CPP_CPU_DEFAULT_SPEC): Likewise.
7861 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
7862 for arch64 libfuncs.
7864 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
7867 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7869 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
7871 * collect2.c: Don't declare `sys_siglist' here.
7872 (my_strsignal): Prototype and define new function. Use it in
7873 place of `sys_siglist' hacks.
7875 * mips_tfile.c: Likewise.
7877 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
7878 (GCC_NEED_DECLARATIONS): Likewise.
7880 * system.h (strsignal): Prototype it, if necessary.
7881 (sys_siglist): Declare it, if necessary.
7883 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7885 * loop.c (move_movables): While removing insn sequences, preserve
7886 the next pointer of the most recently deleted insn when we skip
7889 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
7891 * objc/config-lang.in: Do not output the name of the selected
7892 thread file when building the front-end. The Makefile for the
7893 runtime library will do this.
7895 * objc/Make-lang.in: Do not build the runtime library or install
7896 the Objective C header files. The Makefile for the runtime
7897 library will do this.
7899 * objc/Makefile.in (all.indirect): Only build the front-end.
7900 (compiler): Rename to `frontend'.
7901 (obj-runtime): Remove target.
7902 (copy-headers): Likewise.
7903 (clean): No need to remove `libobjc.a' any longer.
7905 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
7907 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
7908 supported with -mcpu=xxx.
7910 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7912 * flow.c (mark_set_1): Recognize multi-register structure return
7913 values in CALL insns.
7914 (mark_used_regs): Likewise.
7915 (count_reg_sets_1): Likewise.
7916 (count_reg_references): Likewise.
7917 * rtlanal.c (note_stores): Likewise.
7918 (reg_overlap_mentioned_p): Likewise.
7919 * haifa-sched.c (check_live_1): Likewise.
7920 (update_live_1): Likewise.
7921 (sched_analyze_1): Likewise.
7922 (sched_note_set): Likewise.
7923 (birthing_insn_p): Likewise.
7924 (attach_deaths): Likewise.
7926 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
7929 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
7931 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
7933 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7935 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
7937 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7939 * configure.in: Add check for GAS subsection -1 support.
7940 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
7941 * configure config.in: Rebuilt.
7942 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
7943 SImode is subsection -1 works, else use DImode.
7944 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
7945 subsection -1 works.
7946 * config/sparc/sparc.c (sparc_output_addr_vec,
7947 sparc_output_addr_diff_vec): Use them if defined.
7949 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
7951 * tree.h (DECL_ORIGIN): New macro.
7952 * integrate.c (copy_and_set_decl_abstract_origin): New function.
7953 (copy_decl_list): Use it.
7954 (integrate_parm_decls): Likewise.
7955 (integrate_decl_tree): Likewise.
7956 * dwarf2out.c (decl_ultimate_origin): Simplify.
7957 * dwarfout.c (decl_ultimate_origin): Likewise.
7958 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
7959 (pushdecl): Likewise.
7961 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
7963 * config/rs6000/rs6000.c (output_epilog): Add Java support.
7965 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
7967 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
7969 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
7971 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
7972 empty or has a single entry.
7974 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
7975 before calling reg_to_stack.
7977 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
7979 * alpha.c (alphaev5_insn_pipe): Abort on default case.
7980 (alphaev5_next_group): Swallow CLOBBERs and USEs.
7982 * c-tree.h (warn_long_long): Declare it.
7984 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
7986 * emit-rtl.c (gen_lowpart_common): Disable optimization of
7987 initialized float-int union if the value is a NaN.
7989 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
7991 * c-lex.c (real_yylex): Don't warn about long long constants if
7992 we're allowing long long
7994 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7996 * except.h (current_function_eh_stub_label): Declare.
7997 (current_function_eh_old_stub_label): Declare.
7998 * function.h (struct function): New members eh_stub_label and
8000 * except.c (current_function_eh_stub_label): New variable.
8001 (current_function_eh_old_stub_label): New variable.
8002 (init_eh_for_function): Clear them.
8003 (save_eh_status): Save them.
8004 (restore_eh_status): Restore them.
8005 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
8006 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
8007 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
8008 make an edge from the block that contains it to the block starting
8009 with the label if this label is one of the eh stub labels.
8010 If eh stub labels exist, show they are reachable from the last block
8013 * reload1.c (reload): Break out several subroutines and make some
8015 (calculate_needs_all_insns): New function, broken out of reload.
8016 (calculate_needs): Likewise.
8017 (find_reload_regs): Likewise.
8018 (find_group): Likewise.
8019 (find_tworeg_group): Likewise.
8020 (something_needs_reloads): New global variable, formerly in reload.
8021 (something_needs_elimination): Likewise.
8022 (caller_save_spill_class): Likewise.
8023 (caller_save_group_size): Likewise.
8024 (max_needs): Likewise.
8025 (group_size): Likewise.
8026 (max_groups): Likewise.
8027 (max_nongroups): Likewise.
8028 (group_mode): Likewise.
8029 (max_needs_insn): Likewise.
8030 (max_groups_insn): Likewise.
8031 (max_nongroups_insn): Likewise.
8032 (failure): Likewise.
8034 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
8036 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
8038 * loop.c (load_mems): Copy rtx for output mem.
8040 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
8042 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
8043 mips1 or mips2 either.
8045 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
8047 * pa.c (pa_reorg): New marking scheme for jumps inside switch
8049 (pa_adjust_insn_length): Update to work with new marking scheme
8050 for jumps inside switch tables.
8051 * pa.md (switch_jump): Remove pattern.
8052 (jump): Handle jumps inside jump tables.
8054 * Makefile.in (profile.o): Depend on insn-config.h
8056 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
8058 * iris6.h (DWARF2_UNWIND_INFO): Undef.
8060 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8062 Add preliminary native sparcv9 Solaris support.
8063 * configure.in: Recognize sparv9-*-solaris2*
8064 * configure: rebuilt
8065 * config.sub: Recognize sparcv9 just like sparc64.
8066 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
8067 config/sparc/sol2-cn.asm: Macroize so it can be shared between
8068 32-bit and 64-bit Solaris systems.
8069 * config/sparc/t-sol2: Assemble those with cpp.
8070 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
8071 (*TF*_LIBCALL): If ARCH64 use V9 names.
8072 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
8074 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
8076 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
8077 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
8079 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
8081 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
8082 to Pmode if CASE_VECTOR_MODE is something else.
8084 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
8086 * prefix.c (update_path): Correctly handle cases where PATH is
8087 a substring of the builtin prefix, but specifies a different
8090 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
8092 * expr.c: Corrected comment about what MOVE_RATIO does.
8093 * config/alpha/alpha.h: Ditto.
8094 * config/1750a/1750a.h: Ditto.
8095 * config/clipper/clipper.h: Ditto.
8096 * config/i386/i386.h: Ditto.
8098 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
8100 * configure.in (m68k-next-nextstep3*): Use collect2.
8101 Similarly for x86 NeXT configurations.
8102 * configure: Rebuilt.
8104 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
8106 * configure.in: Don't assume srcdir is .../gcc
8107 * configure: Rebuilt.
8109 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
8111 * global.c: Update comments.
8112 (global_alloc): Assign allocation-numbers
8113 even for registers allocated by local_alloc in case
8114 they are later spilled and retry_global_alloc is called.
8115 (mark_reg_store, mark_reg_clobber,
8116 mark_reg_conflicts, mark_reg_death): Always record a
8117 conflict with a pseudo register even if it has been
8118 assigned to a hard register.
8119 (dump_conflicts): Don't list pseudo registers already assigned to
8120 a hard register as needing to be allocated, but do list their
8122 * local-alloc.c: Update comment.
8124 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
8126 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
8127 * configure: Rebuilt.
8129 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
8131 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
8133 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
8134 for all targets that set -msoft-float.
8136 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8138 * toplev.c (print_switch_values): Make static to match prototype.
8140 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
8142 * configure.in: If we are unable to find the "gnatbind" program,
8143 then do not configure the ada subdir.
8144 * configure: Rebuilt.
8146 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
8148 * version.c: Bump for snapshot.
8150 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
8152 * version.c: Bump for snapshot.
8154 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8156 * Makefile.in (toplev.o): Depend on $(EXPR_H).
8157 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
8159 * gansidecl.h: Define ATTRIBUTE_NORETURN.
8161 * genattrtab.c: Have insn-attrtab.c include toplev.h.
8163 * genextract.c: Have insn-extract.c include toplev.h.
8165 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
8167 * toplev.c: Include expr.h.
8168 (really_sorry, fancy_abort): Remove prototypes.
8169 (set_target_switch): Add argument in prototype.
8170 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
8171 (v_really_sorry): Likewise.
8172 (print_version, print_single_switch, print_switch_values): Make
8173 static and add prototype arguments.
8174 (decl_printable_name): Add prototype arguments.
8175 (lang_expand_expr_t): New typedef.
8176 (lang_expand_expr): Declare as a lang_expand_expr_t.
8177 (incomplete_decl_finalize_hook): Add prototype argument.
8178 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
8179 (botch): Likewise for variable `s'.
8180 (rest_of_type_compilation): Mark variables `type' and `toplev'
8181 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
8182 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
8183 (display_help): Make variable `i' an `unsigned long'.
8184 (main): Remove unused parameter `envp'.
8185 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
8186 Cast -1 when comparing it with a `size_t'.
8188 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
8189 prototype with ATTRIBUTE_NORETURN.
8190 (fatal_insn_not_found, fatal_insn, really_sorry,
8191 push_float_handler, pop_float_handler): Add prototypes.
8192 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
8193 (do_abort, botch): Add prototypes.
8195 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
8197 * final.c (final): If a label is reached only from a single jump,
8198 call NOTICE_UPDATE_CC on the jump and its predecessor before
8199 emitting the insn after the label.
8201 * i386.h: Add AMD K6 support.
8202 Change TARGET_* macros to use table lookup.
8203 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
8204 (ADJUST_COST): Change definition to call function in i386.c.
8205 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
8206 * i386.c: Add AMD K6 support.
8207 Add constants for feature tests used by TARGET_* macros.
8208 (split_di): If before reload, call gen_lowpart and gen_highpart.
8209 (x86_adjust_cost): New function.
8210 (put_jump_code): New function.
8211 (print_operand): New codes 'D' and 'd'.
8212 * i386.md: New insn types. New insn attribute "memory".
8213 Redefine scheduling parameters to use new types and add AMD K6
8214 support. Explicitly set type of most insns.
8215 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
8216 Pro and K6 prefer movl $1,reg to incl reg.
8217 (adddi3, subdi3): Set cc_status.
8218 (DImode shift patterns): Change label counters from HOST_WIDE_INT
8219 to int; x86 can't have more than 2^31 DImode shifts per file.
8220 (setcc): Combine all setcc patterns. Allow writing memory.
8221 Combine all jump patterns using match_operator.
8222 (*bzero): Name pattern. Emit mutliple stos instructions when that
8223 is faster than rep stos.
8224 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
8227 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
8229 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
8232 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
8234 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
8235 not whatever we're generating now.
8237 * alpha.c (set_frame_related_p, FRP): New.
8238 (alpha_expand_prologue): Mark frame related insns.
8239 (alpha_expand_epilogue): Likewise, but with a null FRP.
8240 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
8241 * alpha.md (exception_receiver): New.
8242 * alpha/crtbegin.asm (.eh_frame): New beginning.
8243 (__do_frame_setup, __do_frame_takedown): New.
8244 * alpha/crtend.asm (.eh_frame): New ending.
8245 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
8246 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
8247 (ASM_FILE_START): Don't emit .file for dwarf2.
8249 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
8250 * rtl.c (reg_note_name): Likewise.
8251 * rtl.texi (REG_NOTES): Likewise.
8252 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
8255 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
8257 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
8258 * i386.md (movsf, movdf, movxf): Validate memory address returned
8259 from force_const_mem. Kill useless REG_EQUAL setting code.
8261 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
8263 * m68k.md (zero_extendsidi2): Fix typo.
8265 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
8267 * configure.in: Removed references to the removed file
8268 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
8269 * arm*-*-netbsd* and ns32k-*-netbsd*.
8270 * config/i386/xm-netbsd.h: Removed unnecessary file.
8271 * config/m68k/xm-netbsd.h: Likewise.
8272 * config/sparc/xm-netbsd.h: Likewise.
8273 * config/mips/xm-netbsd.h: Likewise.
8275 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
8277 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
8278 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
8280 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
8281 for exact section attributions.
8283 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
8285 * i386/crtdll.h (CPP_PREDEFINES): Define.
8287 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
8289 * m68k.md (5200 movqi): Do not allow byte sized memory references
8291 * m68k.c (output_move_qimode): Do not use byte sized operations on
8294 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
8295 explicit rules for building. Similarly for alloca, vfprintf,
8296 choose-temp and mkstemp, getopt, getopt1, and obstack.
8297 (INCLUDES): Add $(srcdir)/../include.
8298 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
8299 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
8301 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
8303 * gcc.c (do_spec_1): [case 'o'] Account for
8304 lang_specific_extra_outfiles.
8305 (main): Correctly clear all slots in outfiles for
8306 lang_specific_extra_outfiles. Set input_file_number before
8307 calling lang_specific_pre_link.
8309 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
8311 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
8313 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8315 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
8317 (sparc_output_deferred_case_vectors): If no work to do, return.
8318 Fix thinko in Sept 1 change.
8320 1998-09-03 SL Baur <steve@altair.xemacs.org>
8322 * Makefile.in: add semicolon in BISON definition for portability.
8324 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
8326 * config/nextstep.c (handle_pragma): Correct name of third
8329 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
8331 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
8332 * config/m32r/m32r.h: Make register 17 be fixed.
8333 * config/m32r/m32r.c: Use SImode for cc operations.
8335 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
8337 * invoke.texi (Warning Options): Add -Wnon-template-friend
8340 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
8342 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
8344 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
8346 * rs6000.md (movsf): Disable explicit secondary-reload-like
8347 functionality if TARGET_POWERPC64.
8348 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
8351 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
8353 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
8354 and term.h from fixinc.wrap.
8356 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8358 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
8359 safe to include both string.h and strings.h together.
8360 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
8361 which headers to search for function declarations. Continue to
8362 prefer string.h over strings.h when both are not acceptable.
8364 * acconfig.h (STRING_WITH_STRINGS): Add stub.
8366 * configure.in: Call GCC_HEADER_STRING.
8368 * system.h: Test STRING_WITH_STRINGS when deciding which headers
8369 to include. Continue to prefer string.h over strings.h when both
8372 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8374 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
8375 not assume top 32-bits of symbolic addresses are zero if
8378 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
8380 * ginclude/va-alpha.h: Protect entire second portion of the
8381 file against double inclusion.
8383 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
8385 Added support for the Boehm's garbage collector.
8386 * configure.in: Handle --enable-objc-gc.
8387 * configure: Rebuilt.
8388 * Makefile.in (CHECK_TARGETS): Add check-objc.
8389 (check-objc): New rule.
8390 * objc/Make-lang.in: Build a different Objective-C library that
8391 runs with the Boehm's collector.
8392 * objc/encoding.c (objc_round_acc_size_for_types): New function.
8393 * objc/encoding.c: Correctly compute the size of compound types in
8394 the presence of bitfields. Skip the variable name of the type if
8395 any. Added support for long long.
8396 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
8397 (_F_GCINVISIBLE): New mask.
8398 * objc/gc.c: New file. Compute the type memory mask associated with
8399 a class based on the runtime information.
8400 * objc/misc.c: Added the hooks that use the Boehm's collector
8401 allocation functions.
8402 * objc/objc-act.c (build_class_template): Generate a new class
8403 member (gc_object_type) to hold the class' type memory mask.
8404 (build_shared_structure_initializer): Initialize the new member to
8406 (encode_complete_bitfield): New function. Generate the new
8408 (encode_field_decl): Generate the new encoding only for the GNU
8410 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
8412 (class_get_gc_object_type): New function to mark a pointer instance
8413 variable as a weak pointer.
8414 * objc/objc-features.texi: New file.
8415 * objc/objc.h (gc_object_type): New class member.
8416 * objc/objects.c (class_create_instance): Create a typed memory
8417 object when compiled with Boehm's collector support.
8418 * objc/sendmsg.c (__objc_init_install_dtable): Call
8419 __objc_send_initialize instead of setting the initialize flag.
8420 (__objc_send_initialize): Call __objc_generate_gc_type_description
8421 to generate the class type memory mask. Rewrite the code that
8422 sends the +initialize so that it is called only once (bug report
8423 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
8424 * testsuite/objc: New testsuite for Objective-C type encoding.
8425 * testsuite/lib/objc-torture.exp: New file.
8426 * testsuite/lib/objc.exp: New file.
8428 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
8430 * jump.c (jump_optimize): In if/then/else transformations, add
8431 another call to modified_between_p for the jump insn.
8433 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
8435 * fix-header.c (symlink): Treat like readlink.
8437 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8439 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
8442 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
8444 * config/nextstep.h: Update HANDLE_PRAGMA macro.
8445 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
8446 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
8448 * config/nextstep.c (handle_pragma): Take three arguments, as per
8449 the new HANDLE_PRAGMA macro specification.
8450 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
8451 per the new HANDLE_PRAGMA macro specification.
8452 * config/i960/i960.c (process_pragma): Take three arguments, as
8453 per the new HANDLE_PRAGMA macro specification.
8455 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
8457 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
8458 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
8459 if unknown pragmas are encountered.
8460 (handle_sysv_pragma): Interpret return code from
8461 handle_pragma_token (). Return success/failure indication rather
8462 than next unprocessed character.
8463 (pragma_getc): New function: retrieves characters from the
8464 input stream. Defined when HANDLE_PRAGMA is enabled.
8465 (pragma_ungetc): New function: replaces characters back into the
8466 input stream. Defined when HANDLE_PRAGMA is enabled.
8468 * c-pragma.c (handle_pragma_token): Return success/failure status
8471 * c-pragma.h: Change prototype of handle_pragma_token().
8473 * varasm.c: (handle_pragma_weak): Only create this function if
8474 HANDLE_PRAGMA_WEAK is defined.
8476 * c-common,c (decl_attributes): If defined call the expression
8477 contained within the INSERT_ATTRIBUTES macro before adding
8478 attributes to a decl.
8480 * tm.texi (HANDLE_PRAGMA): Document the new verion of
8481 HANDLE_PRAGMA, which takes three arguments.
8482 (INSERT_ATTRIBUTES): Document this new macro.
8484 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
8485 new INSERT_ATTRIBUTES macro.
8487 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8489 * config/sparc/sparc.md (movdf): Only generate special RTL for
8490 LABEL_REFs when PIC.
8491 (move_label_di): Remove
8492 (movdi_pic_label_ref, movdi_high_pic_label_ref,
8493 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
8494 references when PIC.
8495 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
8496 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
8497 output an .xword for all 64-bit cases.
8499 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8501 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
8502 alignment, use FUNCTION_BOUNDARY instead.
8503 (sparc_output_deferred_case_vectors): Likewise.
8505 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8507 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
8508 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
8510 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
8512 * alpha/va_list.h: New file.
8513 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
8515 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
8517 * NEWS: Add SCO Openserver and Unixware 7 notes.
8521 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
8523 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
8524 (record_constant_1): Handle RANGE_EXPR.
8526 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
8528 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
8529 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
8530 and NOTE_INSN_RANGE_END specially.
8531 (reemit_notes): Likewise.
8533 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8535 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
8536 (ultrasparc_sched_init): Remove unneeded &.
8538 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
8540 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
8541 for m68020-60, to prevent the use of fintrz.
8543 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
8545 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
8547 * Makefile.in: Likewise.
8548 * configure: Regenerated.
8550 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
8552 * configure.in (gxx_include_dir): Changed to
8553 '${prefix}/include/g++'-${libstdcxx_interface}.
8554 * configure: Rebuilt.
8556 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
8558 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
8560 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
8561 *sequences* *below* which scalar moves will be used.
8563 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
8565 * collect2.c (mktemp): Delete unused declaration.
8567 * config/xm-netbsd.h: Remove unnecessary file.
8568 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
8569 file anymore, it is not needed.
8571 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
8573 * convert.c (convert_to_integer): Issue an error on conversions to
8576 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
8578 * Makefile.in: Add lang_tree_files and gencheck.h.
8579 * configure.in: Generate them.
8580 * gencheck.c: Include gencheck.h.
8582 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8584 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
8585 movdi_lo_sum_pic and movdi_high_pic and make visible.
8586 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
8587 emit these when Pmode is not SImode.
8588 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
8590 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
8592 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
8593 .linkonce directive after the first time.
8595 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
8597 * m68k.md (beq0_di): Generate correct (and more efficient) code when
8598 the clobbered operand overlaps with an input.
8599 (bne0_di): Similarly.
8601 * Makefile.in (INSTALL): Remove "--no-header" argument.
8603 * NEWS: Various updates.
8605 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8607 * config/sparc/sparc.c (arith_operand, const64_operand,
8608 const64_high_operand, arith_double_4096_operand): Mark mode as
8610 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
8612 (sparc_emit_set_const64): Remove unused variable i.
8613 (sparc_splitdi_legitimate): Likewise for addr_part.
8614 (ultra_code_from_mask): Likewise for mask.
8615 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
8616 reverse return values so it matches usage and comments.
8617 (ultra_flush_pipeline): Likewise.
8618 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
8619 this_type, and allow loads and stores of differing FP modes as
8620 they do not create a conflict.
8621 (ultra_find_type): Initialize fpmode to SFmode, fix
8622 parenthesization thinkos in large conditional.
8623 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
8624 Init free_slot_mask after ultra_cur_hist is reset, not before.
8625 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
8626 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
8627 use ultra_flush_pipeline instead, then re-init group pointer.
8628 Fix statement with no effect. If no progress made in, and no
8629 instructions scheduled at all, advance to new pipeline cycle else
8630 we get into an endless loop.
8631 (ultrasparc_adjust_cost): Remove previous arg.
8632 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
8634 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
8636 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
8637 code. Use reg_overlap_mentioned_p to detect when source and
8638 destination overlap.
8639 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
8641 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
8643 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
8644 COMPARISON_VAL, into invariant_p.
8646 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8648 * regmove.c (regclass_compatible_p): New function.
8649 (regmove_optimize): Use it.
8651 Use NREGS parameter insted of calling max_reg_num.
8653 (fixup_match_1): Don't use code = MINUS when later tieing with
8654 a hard register is likely.
8656 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8658 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
8659 COMPARISON_VAL was normalized.
8661 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
8663 * loop.c (check_dbra_loop): The loop ending comparison value
8664 must be an invariant or we can not reverse the loop.
8666 * loop.c (scan_loop): Count down from max_reg_num - 1 to
8667 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
8669 (load_mems_and_recount_loop_regs_set): Likewise.
8671 * i386.c (print_operand): Remove obsolete 'c' docs.
8673 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
8675 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
8676 * frame.c (init_object_mutex): New function.
8677 (init_object_mutex_once): Likewise.
8678 (find_fde): Call it.
8679 (__register_frame_info): Likewise.
8680 (__register_frame_info_table): Likewise.
8681 (__deregister_frame_info): Likewise.
8683 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
8685 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
8687 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8689 * loop.c (check_dbra_loop): Enable code for reversal
8690 of some loops without a known constant loop end.
8692 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
8694 * haifa-sched.c (last_clock_var): New.
8695 (schedule_block): Initialize it.
8696 (schedule_insn): Use it to fill insn modes with issue information.
8698 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
8699 Tag trapb and next insn with TImode.
8700 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
8701 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
8702 Invoke alphaev5_align_insns as appropriate.
8703 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
8704 (MD_SCHED_VARIABLE_ISSUE): New.
8705 * alpha.md (attr type): Add multi.
8706 (define_asm_attributes): New.
8707 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
8708 (arg_home): Likewise.
8709 (fnop, unop, realign): New.
8711 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
8713 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
8714 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
8716 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
8717 (rs6000-ibm-aix4.[12]*): Likewise.
8718 * configure: Regnerate.
8720 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
8722 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
8723 already contains the return address.
8725 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
8727 * calls.c (expand_call): Use bitfield instructions to extract/deposit
8728 word sized hunks when loading unaligned args into registers.
8730 * haifa-sched.c (sched_analyze_insn): Only create scheduling
8731 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
8733 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
8735 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8737 * loop.c (check_dbra_loop): Add some code that would allow reversal
8738 of some loops without a known constant loop end if it were enabled.
8740 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
8742 * mips.md (lshrsi3_internal2+2): Fix type-o.
8744 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8746 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
8747 correctly with regards to stdio.h.
8749 * calls.c: Remove stdarg.h/varargs.h.
8752 * combine.c: Likewise.
8753 * cpperror.c: Likewise.
8754 * cpplib.c: Likewise.
8755 * cpplib.h: Likewise.
8756 * doprint.c: Likewise.
8757 * emit-rtl.c: Likewise.
8758 * final.c: Likewise.
8759 * fix-header.c: Likewise.
8761 * genattr.c: Likewise.
8762 * genattrtab.c: Likewise.
8763 * gencodes.c: Likewise.
8764 * genconfig.c: Likewise.
8765 * genemit.c: Likewise.
8766 * genextract.c: Likewise.
8767 * genflags.c: Likewise.
8768 * genopinit.c: Likewise.
8769 * genoutput.c: Likewise.
8770 * genpeep.c: Likewise.
8771 * genrecog.c: Likewise.
8772 * mips-tfile.c: Likewise.
8773 * prefix.c: Likewise.
8774 * protoize.c: Likewise.
8775 * regmove.c: Likewise.
8776 * toplev.c: Likewise.
8779 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
8781 * config/sparc/sparc.c (sparc_override_options): If not
8782 TARGET_FPU, turn off TARGET_VIS.
8783 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
8784 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
8785 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
8786 (movdi_insn_sp64): Add VIS fzero alternative.
8787 (clear_sf, clear_df): New VIS patterns.
8788 (movsf, movdf expanders): Allow fp_zero_operand flat out when
8790 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
8792 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
8794 * loop.c (n_times_set, n_times_used, may_not_optimize,
8795 reg_single_usage): Convert to varrays. All uses changed.
8796 (insert_loop_mem): Return a value.
8797 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
8798 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
8801 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
8804 * configure.in: Do not set thread_file to "irix" since no such
8807 * sparc.md (float abs/neg splits): Check reload_completed before
8808 calling alter_subreg.
8810 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8812 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
8814 * config/sparc/sparc.h: Declare it.
8815 * config/sparc/sparc.md (float abs/neg splits): Use it.
8816 (all other splits): Handle SUBREGs properly where necessary.
8817 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
8819 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
8821 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
8822 an insn on the unfilled_slots_list that has no delay slots.
8823 (fill_eager_delay_slots): Similarly.
8825 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
8827 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
8828 as an ordinary operand.
8830 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
8832 * tree.c (valid_machine_attribute): Don't apply attributes to both
8835 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
8837 * reload.c (operands_match_p): Handle rtvecs.
8839 * i386.c (legitimate_pic_address_disp_p): New.
8840 (legitimate_address_p): Use it.
8841 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
8842 Handle constant pool symbols just like statics.
8843 (emit_pic_move): Use Pmode not SImode for clarity.
8844 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
8845 [UNSPEC]: New, handling what we killed above.
8846 [PLUS]: Detect and abort on invalid symbol arithmetic.
8847 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
8849 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
8851 * alias.c: Include output.h.
8852 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
8853 different if we're in a varargs function.
8854 * Makefile.in (alias.o): Depend on output.h
8856 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8858 * sh.h (GIV_SORT_CRITERION): Delete.
8860 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
8862 * regclass.c (regclass): Use xmalloc/free instead of alloca.
8863 * stupid.c (stupid_life_analysis): Ditto.
8864 * reload1.c (reload): Ditto.
8866 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
8868 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
8869 arith_double_4096_operand, arith_double_add_operand): New
8871 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
8872 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
8873 them to transform add/sub 4096 into add/sub -4096.
8875 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8877 * loop.c (scan_loop): Allocate some slop to handle pseudos
8878 generated by move_movables.
8879 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
8882 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
8884 * tree.def (DECL_RESULT): Correct documentation.
8886 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8888 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
8889 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
8890 conflicts will all RELOAD_FOR_OUTPUT reloads.
8892 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
8893 loads the function result, substitute with a USE.
8895 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
8897 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
8898 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
8899 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
8900 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
8901 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
8902 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
8904 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
8905 'o' to 'm' for GPR variant constraints.
8907 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
8909 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
8911 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
8913 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
8914 when the source and destination overlap.
8916 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
8917 clash with global type.
8919 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
8921 * fixinc.irix: Add curses.h handling from fixinc.wrap.
8923 * c-common.c (combine_strings): Also set TREE_READONLY.
8924 Change warn_write_strings to flag_const_strings.
8925 * c-decl.c, c-tree.h: Likewise.
8927 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8929 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
8930 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
8931 sequence, use SET/IOR instead so CSE can see it.
8932 * config/sparc/sparc.md (movhi_const64_special,
8933 movsi_const64_special): New patterns necessitated by that change.
8934 (movhi_high): Remove.
8935 (movhi_lo_sum): Change to match an IOR.
8936 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
8937 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
8938 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
8939 (movdf splits): Allow when not V9 or when not ARCH64 and integer
8940 registers are involved.
8941 (snesi_zero_extend split): Remove reload_completed test.
8942 (unnamed plus and minus zero_extend sidi splits): Add it.
8944 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
8946 * extend.texi: Remove description of extension to explicit
8947 instantiation that is now endorsed by standard C++.
8949 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8951 * config/arc/arc.c (arc_initialize_pic): Remove.
8952 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
8953 nothing on any platform and is invoked by no-one, it does not even
8954 appear in the documentation.
8955 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
8956 * config/sparc/sparc.c (initialize_pic): Likewise.
8957 (find_addr_reg): Remove this as well, no longer referenced after
8960 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
8962 * recog.c (validate_replace_rtx_group): New function.
8963 * recog.h (validate_replace_rtx_group): Declare it.
8964 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
8965 the entire group of substitutions.
8967 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
8969 * loop.c (load_mems): Fix initializers.
8971 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8973 * config/sparc/sparc.md (TFmode splits): Handle destination
8974 registers being referenced in the address correctly.
8976 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
8977 TREE_UNSIGNED, when bitsize of type's mode is larger than
8978 HOST_BITS_PER_WIDE_INT.
8980 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8982 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
8983 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
8984 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
8986 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
8989 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
8991 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
8992 * h8300.h (TINY_DATA_NAME_P): Likewise.
8993 (STRIP_NAME_ENCODING): Handle '&'.
8995 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
8996 register (it could be accessed via an outer SUBREG).
8997 (REG_OK_FOR_BASE_P): Likewwise.
8998 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
9000 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
9003 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
9005 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9007 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
9008 must be offsettable so the splits can be made.
9010 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
9012 * config/i386/winnt.c: Include system.h, not stdio.h to get
9013 sys/param.h pulled in before rtl.h in case the system defines MIN
9016 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
9018 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
9020 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
9022 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
9024 * cpplib.c (cpp_define): Handle macros with parameters.
9026 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
9028 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
9029 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
9030 and DImode 64-bit. Use llong for minimal-toc SFmode and
9031 SYMBOL_REF / LABEL_REF 64-bit.
9032 (output_function_profiler): Use llong for profiler label and ld to
9033 load 64-bit label address.
9035 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
9037 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
9040 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
9042 * version.c: Bump for snapshot.
9044 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
9046 * version.c: Bump for snapshot.
9048 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
9050 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
9052 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
9054 * tm.texi (Misc): Fix typo "teh".
9056 * tm.texi (PIC): Fix typo "PPIC".
9058 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
9059 effect when -O2 and higher.
9060 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
9062 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
9064 * regclass.c: Changed register set documentation to be consistent
9067 * final.c (final_start_function) Removed redundant test for
9070 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
9072 * rtl.h (rtx_function): New type.
9073 (for_each_rtx): New function.
9074 * rtlanal.c (for_each_rtx): Define it.
9076 * recog.c (change_t): New type.
9077 (change_objects, change_old_codes, change_locs, change_olds):
9079 (changes): New variable.
9080 (validate_change): Dynamically allocate room for more changes, if
9081 necessary. Uses changes array instead of change_objects, etc.
9082 (apply_change_group): Use changes array instead of
9083 change_objects, etc.
9085 * loop.c (loop_mem_info): New type.
9086 (loop_mems): New variable.
9087 (loop_mems_idx): Likewise.
9088 (looop_mems_allocated): Likewise.
9089 (scan_loop): Remove nregs parameter.
9090 (next_insn_in_loop): New function.
9091 (load_mems_and_recount_loop_regs_set): Likewise.
9092 (load_mems): Likewise.
9093 (insert_loop_mem): Likewise.
9094 (replace_loop_mem): Likewise.
9095 (replace_label): Likewise.
9096 (INSN_IN_RANGE_P): New macro.
9097 (loop_optimize): Don't pass max_reg_num() to scan_loop.
9098 (scan_loop): Remove nregs parameter, compute it after any new
9099 registers are created by load_mems. Use INSN_IN_RANGE_P and
9100 next_insn_in_loop rather than expanding them inline. Call
9101 load_mems to load memory into pseudos, if appropriate.
9102 (prescan_loop): Figure out whether or not there are jumps from the
9103 loop to targets other than the label immediately following the
9104 loop. Call insert_loop_mem to notice all the MEMs used in the
9105 loop, if it could be safe to pull MEMs into REGs for the duration
9107 (strength_reduce): Use next_insn_in_loop. Tweak comments.
9109 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
9111 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
9113 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9115 * config/sparc/sparc.c (finalize_pic): Check for the correct
9116 nonlocal_goto_receiver UNSPEC number.
9117 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
9118 making note of this dependency existing in sparc.c
9119 (negtf2_notv9 split): Give NEG SFmode.
9120 (negsf2): Fix insn output string.
9122 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
9124 * c-common.c (decl_attributes): Issue an error if the argument
9125 to alias is not a string.
9127 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
9129 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
9130 pending memory flush list.
9132 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
9134 (try_combine): Allow combining insns with REG_LIBCALL notes.
9136 * expr.c (emit_block_move): Do not call memcpy as a libcall
9137 instead build up a CALL_EXPR and call it like any other
9139 (clear_storage): Similarly for memset.
9141 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
9144 * Makefile.in (cplus-dem.o): Provide explicit rules for building
9147 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
9148 and REG_LIVE_LENGTH as successful substitutions are made.
9150 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9152 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
9153 statement after end of loop label.
9155 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9157 * config/sparc/sparc.c (ultra_types_avail): New variable.
9158 (ultra_build_types_avail): New function to record mask of insn
9159 types in ready list at this cycle.
9160 (ultrasparc_sched_reorder): Call it.
9161 (ultra_find_type): Use it to quicken the search. Also simplif
9162 dependency check, don't use rtx_equal_p because we know exactly
9163 what we are looking for.
9165 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
9167 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
9168 for architecture v4.
9170 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9172 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
9174 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
9175 movdf_const_intreg and helper splits): New patterns to move float
9176 constants into integer registers.
9177 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
9180 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
9183 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
9185 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
9187 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
9188 a BASE_REGS register is needed as an intermediate when copying
9189 a symbolic value into any register class other than BASE_REGS.
9191 * expr.c (move_by_pieces): No longer static. Remove prototype.
9192 * rtl.h (move_by_pieces): Add extern prototype.
9193 * mips.c (expand_block_move): Handle aligned straight line copy by
9194 calling move_by_pieces.
9196 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
9199 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
9201 * stmt.c (expand_end_loop): Tidy. Allow unconditional
9202 jumps out of the loop to be treated as part of the exit test.
9204 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9205 Jeff Law <law@cygnus.com>
9207 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
9208 * cplus-dem.c: Delete.
9210 * Makefile.in (fold-const.o): depend on $(RTL_H).
9212 * fold-const.c: Include rtl.h to get the prototype for
9213 `set_identifier_local_value'.
9215 * loop.c (express_from_1): Remove unused variable `tmp'.
9216 (combine_givs): cast the first argument of bzero to char *.
9218 * toplev.c (display_help): Remove unused variable `looking_for_start'.
9220 * c-decl.c (init_decl_processing): Remove unneeded &.
9222 * alpha.h (alpha_initialize_trampoline): Provide prototype.
9224 * except.c (set_exception_lang_code, set_exception_version_code):
9225 Change parameter from `short' to `int' to avoid using a gcc
9228 * except.h (set_exception_lang_code, set_exception_version_code):
9229 Likewise for prototypes.
9231 * flow.c (count_reg_references): Remove unused variables `regno'
9234 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
9236 * prefix.c (translate_name): Cast the result of `alloca'.
9238 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
9240 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
9242 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
9244 (valid_dbcc_comparison_p): Mark mode argument as unused.
9245 (symbolic_operand): Likewise.
9246 (legitimize_pic_address): Likewise.
9247 (const_uint32_operand): Likewise.
9248 (const_sint32_operand): Likewise.
9249 * sched.c [!INSN_SCHEDULING]: Define only dummy function
9250 schedule_insns and comment out rest of file.
9252 * m68k.c (output_move_simode_const): Use subl to move a zero into an
9254 (output_move_[hq]imode): Likewise.
9256 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
9258 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
9259 * invoke.texi: Corresponding changes.
9261 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
9263 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
9265 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9267 * config/sparc/sparc.c (ultra_code_from_mask,
9268 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
9269 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
9270 ultrasparc_sched_init, ultrasparc_variable_issue,
9271 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
9272 functions to describe UltraSPARC pipeline exactly to Haifa.
9273 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
9274 as there is nothing the scheduler can do about it. Indicate that
9275 REG_DEP_OUTPUT's collide. Fixup formatting.
9276 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
9277 divide costs on Ultra for DImode.
9278 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
9280 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
9281 ieuN and add call_no_delay_slot to type list.
9282 (cti function unit): New unit for branches on UltraSPARC.
9283 (subx/addx insns): Set type to misc.
9284 (sidi zero/sign extension insns on arch64): Set type to shift.
9285 (sign_extendhidi2_insn): Set type to sload.
9287 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
9289 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
9290 (output_epilog): Use if != 0 for offset.
9291 (rs6000_fatal_bad_address): Prepare for Intl.
9292 * rs6000.h (rs6000_fatal_bad_address): Declare.
9293 * rs6000.md (movsfcc, movdfcc): Use else if.
9294 (elf_high): Use {liu|lis}.
9295 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
9296 (movsi): Use rs6000_fatal_bad_address.
9298 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
9300 * reload.c (find_equiv_reg): Reject equivalences separated
9301 by a volatile instruction.
9303 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9305 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
9307 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
9309 * alpha.md (movsicc): Fix mode mismatch.
9311 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
9313 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
9315 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
9317 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9319 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
9320 write-only modifier from operand 1 constraint.
9322 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9324 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
9325 emitting a XOR of -1 at the end, emit a NOT instead for combine's
9327 (sparc_emit_set_const64): Likewise, also when computing trailing
9328 bits do not negate low_bits and make fast_int an int.
9330 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
9332 * loop.c (add_label_notes): Do not ignore references to labels
9333 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
9334 * gcse.c (add_label_notes): Similarly.
9336 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
9338 * m68k.md (adddi_dilshr32): One of the operands must be a register.
9339 (adddi_dishl32): Similarly.
9341 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
9343 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
9344 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
9345 * cse.c (cse_basic_block): Add parens to shut up warnings.
9347 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9349 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
9350 sparc_emit_set_const64_longway, const64_is_2insns,
9351 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
9352 in 64-bit constant formation.
9353 * config/sparc/sparc.md (snesi_zero_extend split): Generate
9354 rtl for addx not subx.
9355 (define_insn movdi_const64_special): Make available even when
9356 HOST_BITS_PER_WIDE_INT is not 64.
9357 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
9358 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
9359 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
9360 instances of operand 1 inside a QI subreg.
9361 (xordi3_sp64_dbl): Remove '%' constraint for op1.
9362 (one_cmpldi2_sp64): Fix output string.
9363 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
9365 (unnamed arch64 ashift DI): Truncate shift count if greater than
9368 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9370 * expr.c (store_expr): Don't optimize away load-store pair
9371 when either source or destination have a side effect.
9373 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
9375 * genrecog.c (add_to_sequence): Fatal error if the modes of the
9376 operands of SET are incompatible.
9378 * alpha.md: Fix max and min patterns so modes of SET operands match.
9380 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
9382 * configure.in: Avoid [[ by using test and changequote.
9383 * configure: Rebuild.
9385 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9387 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
9389 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
9390 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
9391 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
9392 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
9393 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
9394 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
9395 Fix mismatching modes in SET operands.
9396 (conditional move patterns): Fix formatting.
9397 (unnamed subx arch64 pattern): Remove duplicate insn.
9399 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9401 * config/sparc/sparc.c (const64_operand, const64_high_operand):
9402 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
9403 (input_operand): Fixup test for what we accept for constant
9405 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
9407 (safe_constDI): Remove.
9408 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
9409 gen_safe_XOR64): New functions.
9410 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
9411 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
9413 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
9414 available when HOST_BITS_PER_WIDE_INT is not 64.
9415 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
9416 move before movdi_insn_sp64 pattern.
9417 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
9418 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
9419 symbolic_operand as predicate for second operand.
9420 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
9421 expander): Give set VOIDmode.
9423 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
9425 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
9427 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
9429 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
9431 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
9433 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
9435 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
9437 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
9439 * install.texi: Various SCO OpenServer tweaks.
9441 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
9443 * reload1.c (eliminate_regs_in_insn): Handle another case when
9444 eliminating the frame pointer to the hard frame pointer. Add
9445 missing ep->to_rtx check to one existing case.
9447 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
9449 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
9451 * tree.h: De-conditionalize init_priority code.
9453 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
9454 * collect2.c (NM_FLAGS): Change from -p to -n.
9456 * configure.in: Turn on collect2 for mipstx39-elf.
9457 Handle use_collect2=no properly.
9459 * c-common.c: De-conditionalize init_priority code.
9460 * collect2.c (extract_init_priority, sort_ids): New fns.
9461 (main): Call sort_ids.
9462 Move sequence_number to file scope.
9464 * configure.in: Handle --enable-init-priority.
9465 * c-common.c (attrs): Add A_INIT_PRIORITY.
9466 (init_attributes, decl_attributes): Likewise.
9467 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
9468 * tree.c (get_file_function_name_long): Split out...
9469 (get_file_function_name): ...from here.
9471 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
9473 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
9476 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
9478 * toplev.c (display_help): Add braces to shut up warnings.
9479 * tree.c (simple_cst_equal): Likewise.
9481 * fold-const.c (non_lvalue): Don't deal with null pointer
9483 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
9485 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
9486 of any size to a pointer.
9488 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
9490 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
9492 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
9494 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
9495 which will be saved.
9496 * mn10300.md (prologue insn): Only save registers which need saving.
9497 (epilogue insn): Similarly.
9499 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
9502 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
9504 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
9505 VAR_DECL's in gp addressable sections.
9507 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
9509 * sparc.c: Change return <exp> to <exp>; return; in functions
9511 * sparc.md: Add empty semicolon statement after final label in
9514 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9516 * config/sparc/sparc.md (define_insn addx_extend): Rename to
9517 addx_extend_sp64, only allow when TARGET_ARCH64.
9518 (define_insn addx_extend_sp32 and split): Version that works when
9520 (define_insn subx_extend): Likewise.
9521 (define_split adddi3 and subdi3 with zero extension): Fixup and
9522 correct bugs when not TARGET_ARCH64.
9524 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
9526 * except.c (set_exception_lang_code, set_exception_version_code):
9527 Use prototype-style definition if __STDC__, to match declaration
9530 * genemit.c: Change FAIL and DONE macros not to use loops.
9532 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
9534 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
9535 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
9537 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
9539 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
9541 * README.g77: Update from Craig.
9543 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9545 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
9547 (safe_constDI sparc_emit_set_const64_quick1,
9548 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
9549 analyze_64bit_constant, const64_is_2insns,
9550 create_simple_focus_bits): Fix some bugs when compiled on real
9552 (function_arg_record_value_3, function_arg_record_value_2,
9553 function_arg_record_value): Add fully prototyped forward decls.
9554 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
9555 to cmpsi_insn and use on both 64 and 32 bit targets.
9556 (define_insn cmpsi_insn_sp64): Remove.
9557 (define_expand zero_extendsidi2): Allow for 32-bit target too.
9558 (define_insn zero_extendsidi2_insn): Rename to
9559 zero_extendsidi2_insn_sp64.
9560 (define_insn zero_extendsidi2_insn_sp32): New pattern and
9561 assosciated forced split for it.
9563 * config/sparc/sparc.c (const64_operand, const64_high_operand):
9565 * config/sparc/sparc.h: Declare them.
9566 (PREDICATE_CODES): Add them.
9567 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
9568 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
9570 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
9572 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
9573 in v9 case as the latter makes the Solaris assembler crash.
9575 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9577 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
9578 for TFmode when !v9. We require offsettable memory addresses.
9579 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
9580 DFmode register number conversions.
9581 * config/sparc/sparc.md (define_split DFmode moves): If register
9582 is a SUBREG do alter_subreg on it before using.
9583 (define_expand movtf): Fixup comment about alignment on v9.
9584 (define_split TFmode moves): Don't use gen_{high,low}part, create
9585 explicit SUBREGs instead.
9587 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
9589 * Makefile.in (mbchar.o): Depend on mbchar.c.
9591 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9592 Richard Henderson <rth@cygnus.com>
9594 Rewrite Sparc backend for better code generation and
9595 improved sparc64 support.
9596 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
9598 * config/sparc/sysv4.h: Likewise.
9599 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
9600 move_operand, v8plus_regcmp_op, emit_move_sequence,
9601 singlemove_string, doublemove_string, mem_aligned_8,
9602 output_move_double, output_move_quad, output_fp_move_double,
9603 move_quad_direction, output_fp_move_quad, output_scc_insn):
9605 (small_int_or_double): New predicate.
9606 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
9607 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
9608 old pic_{sethi,lo_sum}_si patterns.
9609 (mem_min_alignment): New generic function to replace
9610 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
9611 available and can test for arbitrary alignments. All callers
9613 (save_regs, restore_regs, build_big_number,
9614 output_function_prologue, output_cbranch, output_return,
9615 sparc_flat_save_restore, sparc_flat_output_function_prologue,
9616 sparc_flat_output_function_epilogue): Prettify
9618 (output_function_epilogue): Likewise and add code to output
9619 deferred case vectors.
9620 (output_v9branch): Likewise, add new arg INSN and use it to tack
9621 on branch prediction settings. All callers changed.
9622 (print_operand): Likewise and output %l44 for LO_SUMs when
9624 (sparc_splitdi_legitimate): New function to make sure DImode
9625 splits can be run properly when !arch64.
9626 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
9627 Reformat example code in comments.
9628 (set_extends): Remove UNSPEC/v8plus_clear_high case.
9629 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
9630 of deferred case vectors we need to output.
9631 (sparc_defer_case_vector): Record a case vector.
9632 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
9633 sparc_output_deferred_case_vectors): New functions to output them.
9634 (sparc_emit_set_const32): New function to form 32-bit constants in
9635 registers when that requires more than one instruction.
9636 (safe_constDI, sparc_emit_set_const64_quick1,
9637 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
9638 analyze_64bit_constant, const64_is_2insns,
9639 create_simple_focus_bits, sparc_emit_set_const64): New functions
9640 which do the same for 64-bit constants when arch64.
9641 (sparc_emit_set_symbolic_const64): New function to emit address
9642 loading for all code models on v9.
9643 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
9644 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
9645 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
9646 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
9647 inaccuracies in comments, add symbolic and text_segment operands
9648 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
9649 GENERAL_REGS in these cases as a temp REG is needed to load these
9650 addresses into a register properly.
9651 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
9653 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
9654 quads are guarenteed to have 16-byte alignment.
9655 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
9656 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
9657 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
9658 deferred case vector implementation.
9659 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
9660 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
9661 Generate "internal label - label" instead of "label - 1b".
9662 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
9663 (PREDICATE_CODES): Remove sparc_operand, move_operand,
9664 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
9666 (doublemove_string, output_block_move, output_fp_move_double,
9667 output_fp_move_quad, output_move_double, output_move_quad,
9668 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
9669 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
9670 (sparc_emit_set_const32, sparc_emit_set_const64,
9671 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
9672 mem_min_alignment, small_int_or_double): Add externs.
9673 * config/sparc/sparc.md: Document the many uses of UNSPEC and
9674 UNSPEC_VOLATILE in this backend.
9675 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
9676 unary to types which execute in it.
9677 (define_function_unit ieu_shift): Rename to ieu0.
9678 (define_function_unit ieu1): New, executes compare, call, and
9679 uncond_branch type insns.
9680 (define_function_units for type fdivs, fdivd, fsqrt): These
9681 execute in the fpu multiply unit not the adder on UltraSparc.
9682 (define_expand cmpdi): Disallow TARGET_V8PLUS.
9683 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
9684 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
9685 allows the arith_double_operand predicate and rHI constraint when
9687 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
9688 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
9689 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
9690 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
9691 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
9692 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
9693 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
9694 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
9695 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
9696 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
9697 sign_extendqihi2_insn, sign_extendqisi2_insn,
9698 sign_extendqidi2_insn, sign_extendhidi2_insn,
9699 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
9700 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
9701 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
9702 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
9703 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
9704 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
9705 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
9706 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
9707 smulsi3_highpart_v8plus, unnamed subreg mult,
9708 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
9709 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
9710 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
9711 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
9712 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
9713 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
9714 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
9715 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
9716 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
9717 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
9718 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
9719 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
9720 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
9721 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
9722 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
9723 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
9724 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
9725 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
9726 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
9727 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
9728 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
9729 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
9730 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
9731 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
9732 call_address_untyped_struct_value_sp32,
9733 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
9734 call_value_symbolic_sp32, call_value_address_sp64,
9735 call_value_symbolic_sp64, branch_sp32, branch_sp64,
9736 flush_register_windows, goto_handler_and_restore,
9737 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
9738 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
9739 return_addsi, return_di, return_adddi, return_sf, all call+jump
9740 peepholes, trap, unnamed trap insns): Prettify output strings.
9741 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
9742 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
9743 Likewise and force + implement splits for integer cases.
9744 (define_insn return_sf_no_fpu): Likewise and allow to match when
9745 no-fpu because of our subreg SFmode splits.
9746 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
9747 zero_extendqidi2_insn, zero_extendhidi2_insn,
9748 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
9749 input_operand for second operand.
9750 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
9751 reg_or_0_operand for operand 2 so new splits can use it.
9752 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
9753 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
9755 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
9756 CONST_DOUBLEs for operand 2.
9757 (define_insn move_label_di): Likewise and label distance
9758 optimization because it no longer works with new deferred case
9759 vector scheme. To be revisited.
9760 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
9761 and allow reg_or_0_operand and J constraint for second operand.
9762 (define_insn jump): Set branch predict taken on V9.
9763 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
9764 new deferred case vector scheme.
9765 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
9766 (define_insn negdi2_sp32): Force + implement splits.
9767 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
9768 one_cmplsi2_not_liveg0 respectively, and create expander of original
9769 names which emit special rtl for TARGET_LIVE_G0.
9770 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
9771 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
9772 gen_compare_reg, FAIL instead.
9773 (define_insn sgtu, sleu): Likewise and check gen_s*() return
9774 values when trying to reverse condition codes, if they FAIL then
9776 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
9777 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
9778 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
9779 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
9780 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
9781 set output string to # to indicate they are mandatory splits.
9782 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
9783 pic_sethi_di, move_pic_label_si): Remove.
9784 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
9785 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
9787 (define_expand movsi_pic_label_ref, define_insn
9788 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
9789 expander and insns to handle PIC label references and deferred
9791 (define_insn get_pc_via_rdpc): Comment out as it is no longer
9793 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
9794 Rewrite to not use emit_move_sequence, make use of new constant
9795 formation code, and new splits for all multi-insn cases.
9796 (define_insn movqi_insn): Remove sethi case, it can never happen.
9797 Use reg_or_zero_operand instead of const0_rtx explicit test,
9798 use input_operand instead of move_operand for source, and use
9799 general_operand now for dest.
9800 (define_insn movhi_insn): Similar but leave sethi case.
9801 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
9802 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
9803 movhi_lo_sum respectively, prettify output string.
9804 (define_insn movsi_zero_liveg0): New pattern to put zero into a
9805 register when needed on TARGET_LIVE_G0.
9806 (define_insn movsi_insn): Use general_operand and input_operand
9807 for dest and src respectively. Simplify applicability test.
9808 Prettify output strings, and add clr alternative for J
9810 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
9811 deprecated std and reg-reg DI moves): Remove and...
9812 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
9813 implementation which uses forced splits for all non-single insn
9815 (define_split DI move cases on !arch64): New splits to handle all
9816 situations of 64-bit double register DImode on 32bit, and
9817 unaligned registers and memory addresses for all subtargets.
9818 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
9820 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
9821 input_operand for dest and src respectively, prettify output
9823 (define_insn movdf_insn, movdf_no_e_insn, store_df,
9824 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
9826 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
9827 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
9828 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
9829 movtf_no_e_insn_sp64) Replace with new
9830 implementation which uses forced splits for all non-single insn
9832 (define_split DF move cases): New splits in similar vein to DI
9834 (define_insn sethi_di_medlow, sethi_di_medium_pic,
9835 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
9836 movdi_sp64_insn): Remove old v9 code model and constant loading
9838 (define_insn pic_lo_sum_di, pic_sethi_di,
9839 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
9840 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
9841 embmedany_sethi, embmedany_losum, embmedany_brsum,
9842 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
9843 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
9844 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
9845 scheme, using unspecs, secondary reloads, and one to one sparc
9846 insn to rtl insn mapping for better scheduling and code gen.
9847 (define_expand reload_indi, reload_outdi): Reload helpers for
9848 MEDANY and EMBMEDANY symbol address loading cases which require a
9850 (define_expand movsicc): Remove v8plus_regcmp cases.
9851 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
9852 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
9853 cmp_diqi_trunc_set): New patterns used by some of the new scc
9855 (define_insn xordi3_sp64_dbl): New pattern used for constant
9856 formation when crossing from 32-bit targets.
9857 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
9859 (define_insn addx, subx): Make visible and prettify.
9860 (define_insn adddi3_insn_sp32): Likewise and force split.
9861 (define_insn addx_extend, subx_extend, unnamed): New patterns for
9862 64bit scc split usage.
9863 (define_insn unnamed plusDI zero_extend, unnamed minusDI
9864 zero_extend, subdi3): Force and implement splits.
9866 * final.c (final_scan_insn): Don't output labels if target
9867 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
9870 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
9871 don't forget to walk inside SEQUENCESs too as these are what the
9872 delay slot scheduler will create.
9874 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
9876 * alpha.md (extxl+1,+2): New patterns to work around
9879 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
9881 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
9882 caused bad assembly code to be generated.
9884 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
9886 * netbsd.h: Fix typo.
9888 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
9890 * config.sub: Fix typo.
9892 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
9894 * invoke.texi (Environment Variables): Typo: Change "ascpects"
9896 (Running Protoize): Typo: Change "ther" into "other".
9898 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
9900 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
9901 * m68k/netbsd.h: Likewise.
9902 * ns32k/netbsd.h: Likewise.
9903 * sparc/netbsd.h: Likewise.
9905 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
9907 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
9908 * ginclude/va-clipper.h (va_list): Likewise.
9910 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
9912 * rs6000.c (rs6000_override_options): If big endian and -Os, use
9913 load/store multiple instructions unless user overrides.
9915 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
9917 * ns32k/netbsd.h: Fix typo.
9919 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
9921 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
9922 labels with .debugsym if no parallel insns.
9924 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
9926 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
9927 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
9929 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
9931 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
9932 (AR_FOR_TARGET): Define.
9934 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
9936 * dyn-string.h: New file.
9937 * dyn-string.c: Likewise.
9938 * Makefile.in (OBJS): Add dyn-string.o.
9939 (dwarf2out.o): Add dyn-string.h dependency.
9940 (dyn-string.o): List dependencies.
9941 * dwarf2out.c: Include dyn-string.h.
9942 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
9943 (addr_const_to_string): Take a dyn_string_t, not a char* as a
9944 prototype. Use dyn_string_append rather than strcat, throughout.
9945 (addr_to_string): Use dyn_string_t.
9947 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
9949 Function entry/exit profiling instrumentation:
9950 * expr.h (profile_function_entry_libfunc,
9951 profile_function_exit_libfunc): Declare new variables.
9952 * optabs.c: Define them here.
9953 (init_optabs): Initialize them.
9954 * tree.h (struct tree_decl): New flag
9955 no_instrument_function_entry_exit.
9956 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
9957 * c-decl.c (duplicate_decls): Merge it.
9958 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
9959 (init_attributes): Use it for "no_instrument_function".
9960 (decl_attributes): Handle it, for functions that have not yet been
9961 compiled. Set decl flag.
9962 * flags.h (flag_instrument_function_entry_exit): Declare new
9964 * toplev.c (flag_instrument_function_entry_exit): Define it here.
9965 (f_options): New option "instrument-functions".
9966 * function.h (struct function): New field instrument_entry_exit.
9967 * function.c (current_function_instrument_entry_exit): New
9969 (push_function_context_to, pop_function_context_from): Save and
9971 (expand_function_start): Set current_ variable, maybe emit return
9972 label and entry profile call.
9973 (expand_function_end): Maybe emit exit profile call.
9975 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
9977 * i386.md (movqi): When optimizing a load of (const_int 1) into a
9978 NON_QI_REG_P, pretend the register is SImode.
9980 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
9982 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
9983 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
9984 manufacturer id for ns32k.
9985 * configure: Regenerated.
9986 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
9987 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
9988 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
9989 * config/m68k/netbsd.h: Same.
9990 * config/ns32k/netbsd.h: Same.
9991 * config/sparc/netbsd.h: Same.
9993 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
9995 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
9996 or UNROLL_COMPLETELY loop that starts with a jump to its
9999 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
10001 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
10002 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
10003 (print_operand, case 'B'): Don't fall through.
10004 (print_operand, case 'S'): Correct mask begin/end computation.
10005 Use HOST_BITS_PER_WIDE_INT.
10006 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
10007 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
10008 * rs6000/aix41.h (CPP_PREDEFINES): Same.
10009 * rs6000/aix43.h (CPP_PREDEFINES): Same.
10011 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
10013 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
10014 constraint from second alternative.
10016 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
10018 * configure.in: Fix --without/--disable cases for local-prefix,
10019 gxx-include-dir and checking.
10021 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10023 * configure.in (enable_haifa): Set by default for sparc64 too.
10024 configure: Rebuilt.
10026 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
10028 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
10029 * i386/winnt.c (associated_type): New fn.
10030 (i386_pe_valid_type_attribute_p): New fn.
10031 (i386_pe_check_vtable_importexport): Remove.
10032 (i386_pe_dllexport_p): Use associated_type.
10033 (i386_pe_dllimport_p): Likewise.
10035 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
10036 * i386.c (i386_valid_type_attribute_p): Also accept
10037 attributes for METHOD_TYPEs.
10039 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
10041 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
10043 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
10045 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
10047 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
10048 them from generating a new base name for each occurence of
10051 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
10053 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
10055 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
10059 * cplus-dem.c (type_kind_t): New type.
10060 (demangle_template_value_parm): Add type_kind_t parameter. Rely
10061 on this paramter, rather than demangling the type again.
10062 (demangle_integral_value): Pass tk_integral.
10063 (demangle_template_: Pass the value returned from do_type.
10064 (do_type): Return a type_kind_t. Pass tk_integral to
10065 demangle_template_value_parm for array bounds.
10066 (demangle_fund_type): Likewise.
10068 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
10070 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
10073 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
10075 * pa.c (move_operand): Accept CONSTANT_P_RTX.
10077 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
10079 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
10081 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
10084 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
10086 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
10087 (DEBUGGER_ARG_OFFSET): Likewise.
10089 * mn10300.md (movsf): Remove last change. Not needed.
10091 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
10093 * c-lex.c (yylex): Fix boundary conditions in character literal and
10094 string literal loops.
10096 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
10098 * longlong.h (count_leading_zeros): Sparclite scan instruction was
10099 being invoked incorrectly.
10101 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
10102 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
10104 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
10105 * configure.in: Added i[34567]86-*-win32
10106 * config.sub: Ditto.
10107 * configure: Rebuilt.
10109 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
10111 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
10112 the frame pointer and compiling PIC code and reload has not completed.
10114 * i386.c (output_to_reg): Add code to emulate non-popping DImode
10117 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
10119 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
10121 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10123 * Makefile.in (install-info): Only try to update the info
10124 directory file if it exists in the first place.
10126 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
10128 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
10130 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
10132 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
10133 CONST_DOUBLE source.
10135 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
10137 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
10138 strings as the insertion of USER_LABEL_PREFIX.
10139 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
10141 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
10144 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
10146 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
10147 already defined type.
10149 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
10151 * expr.c (check_max_integer_computation_mode): Allow conversions
10152 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
10153 (expand_expr): Likewise.
10155 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
10157 * expr.c (expand_expr): Expand RETURN_EXPR.
10159 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
10161 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
10163 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
10165 * dwarf2out.c (output_aranges): Call stripattributes
10166 for TEXT_SECTION references.
10167 (output_line_info): Likewise.
10169 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10171 * profile.c (branch_prob): Call allocate_reg_info after outputting
10172 profile rtl in instrument_arcs.
10174 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
10176 * fixinc.irix (math.h): Install wrapper instead of copying.
10178 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
10180 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
10181 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
10182 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
10183 lang_flag_0. Added documentation in the flag table.
10185 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
10187 * cccp.c (do_include): Fix vax c style include handling.
10189 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
10191 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
10193 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
10195 * fold-const.c (non_lvalue): Don't deal with null pointer
10197 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
10199 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
10201 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
10202 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
10203 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
10204 (u_short_cint_operand): Same.
10205 (reg_or_cint_operand): Same.
10206 (logical_operand): Same.
10207 (input_operand): Same.
10208 (reg_or_short_operand): Use u_short_cint_operand.
10210 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
10212 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
10213 but keep the insns and splits. Adjust so when the ultimate destination
10214 is memory, use cvtql.
10216 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
10218 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
10220 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
10222 * gcc.c (do_spec): Call "error" not "warning".
10224 * configure.in: Fix minor problems with gas feature detection code.
10225 * configure: Rebuilt.
10227 * gcc.c (do_spec): Issue a warning for '%[]' usage.
10229 * Undo this change.
10230 * gcc.c: Delete %[spec] support.
10231 (do_spec_1, case '('): Likewise.
10232 (do_spec_1, case '['): Call error.
10234 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
10236 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
10237 (CPP_SUBTARGET_SPEC): Default to empty string.
10238 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
10239 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
10240 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
10241 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
10243 * alpha/linux.h (CPP_PREDEFINES): Tidy.
10244 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
10245 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
10246 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
10247 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
10248 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
10249 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
10250 * alpha/vxworks.h: Likewise.
10252 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
10254 * mips.md (reload_outsi): Added missing REGNO call.
10255 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
10257 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
10258 another match_operator and compare the codes.
10260 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
10262 * MIPS multiply pattern fixes:
10263 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
10264 Add union classes for HI, LO, or HILO plus general registers.
10265 (GENERATE_MADD): Deleted.
10266 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
10267 Add TARGET_MAD to condition.
10268 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
10269 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
10270 "*d" for accumulator, to give preference to LO initially but not
10273 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
10275 * configure.in (enable_c_mbchar): New configure option.
10276 (extra_cpp_objs): Always available now.
10278 * cexp.y (mbchar.h): #include it.
10279 (yylex): Handle Multibyte characters in character literals.
10281 * cccp.c (mbchar.h): #include it.
10282 (main): Set character set based on LANG environment variable.
10283 (rescan): Handle multibyte characters in comments.
10284 (skip_if_group): See above.
10285 (validate_else): See above.
10286 (skip_to_end_of_comment): See above.
10287 (macarg1): See above.
10288 (discard_comments): See above.
10289 (rescan): Handle multibyte characters in string and character literals.
10290 (collect_expansion): See above.
10291 (skip_quoted_string): See above.
10292 (macroexpand): See above.
10293 (macarg1): See above.
10294 (discard_comments): See above.
10295 (change_newlines): See above.
10297 * c-lex.c (mbchar.h): #include it.
10298 (GET_ENVIRONMENT): New macro.
10299 (init_lex): Set character set based on LANG environment variable.
10300 (yylex): Handle multibyte characters in character literals.
10301 (yylex): Handle multibyte characters in string literals.
10303 * Makefile.in (mbchar.o): New target.
10304 (cccp$(exeext)): @extra_cpp_objs@ is always available.
10305 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
10307 * mbchar.[ch]: New files for multibyte character handling.
10309 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10311 * jump.c (jump_optimize): When simplifying noop moves and
10312 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
10313 the PUSHes to rewrite in second loop as we did in the first.
10315 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10317 * cplus-dem.c (demangle_nested_args): Make function definition
10318 static to match the prototype.
10320 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
10322 * alloca.c: Respect USE_C_ALLOCA.
10323 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
10324 * gengenrtl.c (xmalloc): Likewise.
10326 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
10328 * loop.h (struct induction): Add no_const_addval.
10329 * loop.c (the_movables, reg_address_cost): New variables.
10330 (init_loop): Init reg_address_cost.
10331 (loop_optimize): Call end_alias_analysis.
10332 (scan_loop): Init the_movables.
10333 (record_giv): Init induction->no_const_addval.
10334 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
10335 [REG]: Rearrange loop search test to catch more cases.
10336 (general_induction_var): Return success not benefit; take an extra
10337 argument for that. Change all callers.
10338 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
10339 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
10340 [default]: Search the_movables for additional combinations.
10341 (sge_plus_constant, sge_plus): New functions.
10342 (express_from_1): New function.
10343 (express_from): Always define. Rewrite using express_from_1.
10344 (combine_givs_p): Handle more cases. Ignore address cost.
10345 (cmp_combine_givs_stats): New function.
10346 (combine_givs_used_once, combine_givs_benefit_from): New functions.
10347 (combine_givs): Rewrite to do best-fit combination.
10349 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
10350 (fold): Do a complete (A*C)+(B*C) association check.
10352 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
10354 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
10356 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
10358 * mn10300.c (MODES_TIEABLE_P): Fix typo.
10360 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
10362 * tree.c (valid_machine_attribute): Only create a new type variant if
10363 there is a decl to use it.
10365 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
10367 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
10370 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
10372 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
10375 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
10377 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
10378 Simplify tests for clearing an address register.
10379 (expand_prologue): Corresponding changes.
10381 * mn10300.md (movXX patterns): Make sure the destination is an
10382 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
10383 (logical patterns): Split into expanders + patterns
10384 (zero and sign extension patterns): Similarly.
10385 (shift patterns): Similarly.
10387 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
10389 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
10390 for the sequence, recording base values.
10392 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
10394 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
10396 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
10398 * gcc.c: Remove ANSI-C ism from --help code.
10400 * toplev.c: Support --help with USE_CPPLIB.
10402 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
10404 * configure.in: Rework gas feature code to work with symlink based
10407 * extend.texi: Clarify some issues related to local variables
10408 assigned to explicit registers.
10410 * mn10300.md (mulsi): Turn into expander + pattern.
10412 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
10415 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
10417 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
10419 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
10421 * version.c: Bump again to distinguish mainline tree from the
10424 See ChangeLog.0 for earlier changes.
10427 add-log-time-format: current-time-string