1 Fri Jan 29 21:00:56 1999 Bob Manson <manson@charmed.cygnus.com>
3 * resource.c, resource.h: New files.
5 * haifa-sched.c (regno_use_in): Moved to rtlanal.c.
6 (split_block_insns): Moved to recog.c.
7 (update_flow_info): Make public.
9 * reorg.c: Moved the functions dealing with computing resource
12 * sched.c (regno_use_in): Moved to rtlanal.c.
13 (update_flow_info): Make public.
14 (schedule_insns): Use split_block_insns.
16 * recog.c (split_block_insns): New function.
18 Tue Feb 2 22:03:26 1999 David Edelsohn <edelsohn@mhpcc.edu>
20 * rs6000/linux.h (LINK_START_DEFAULT_SPEC): Delete, unused.
21 (LINK_OS_DEFAULT_SPEC): Delete, unused.
23 Tue Feb 2 20:29:34 1999 Catherine Moore <clm@cygnus.com>
25 * configure.in (arm-*-oabi): Support.
26 * configure: Regenerate.
27 * config/arm/unknown-elf-oabi.h: New file.
29 Tue Feb 2 19:43:59 1999 Jeffrey A Law (law@cygnus.com)
31 * i386.md (ashlsi3): Turn into a define_expand an anonymous pattern.
32 Make the anonymous pattern match when ! optimize_size.
33 (ashlsi3 size optimizer): New pattern.
35 * intl/Makefile.in (uninstall): Add missing "; \".
37 Tue Feb 2 18:21:23 1999 Stan Cox <scox@cygnus.com>
39 * sparc.h (TARGET_CPU_sparc86x): Added. TARGET_CPU_sparclite86x
42 Tue Feb 2 20:24:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
44 * loop.c (loop_optimize): Fix value max_uid_for_loop is reset
45 to after find_and_verify_loops call.
47 Tue Feb 2 19:48:29 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
49 * (recombine_givs): Don't use a giv that's likely to be dead to
52 * loop.c (recombine_givs): Fix test for lifetime overlaps / loop
53 wrap around when deriving givs.
55 Mon Feb 1 20:00:40 1999 Richard Henderson <rth@cygnus.com>
57 * recog.c (check_asm_operands): Treat indeterminate operand ok
58 results as success. Try harder to resolve a matching constraint.
59 * stmt.c (expand_asm_operands): Recognize when an output operand's
60 constraint does not allow memory. Treat indeterminate operand ok
61 results as failure. Try harder to resolve a matching constraint.
63 Mon Feb 1 15:00:02 1999 Ken Raeburn <raeburn@cygnus.com>
65 Use varrays for constant-equivalence data:
67 * varray.h (struct const_equiv_data): New type.
68 (union varray_data_tag): New element const_equiv.
69 (VARRAY_CONST_EQUIV_INIT, VARRAY_CONST_EQUIV): New macros.
70 (VARRAY_SIZE): New macro, returns number of elements.
71 * integrate.h: Include varray.h.
72 (struct inline_remap): Replace const_equiv_map, const_age_map and
73 const_equiv_map_size with a const_equiv_varray element.
74 (MAYBE_EXTEND_CONST_EQUIV_VARRAY): New macro; grows varray if
76 (SET_CONST_EQUIV_DATA): New macro; sets rtx and age fields
77 simultaneously, growing the varray if needed.
79 * integrate.c (global_const_equiv_map,
80 global_const_equiv_map_size): Deleted, replaced by....
81 (global_const_equiv_varray): New variable.
82 (expand_inline_function): References changed.
83 * integrate.h: Update declarations.
85 * integrate.c (process_reg_parm, expand_inline_function,
86 copy_rtx_and_substitute, try_constants, subst_constants,
87 mark_stores): Use varray allocation and accessor macros, new
88 integrate.h macros, and global_const_equiv_varray. Don't
89 conditionalize non-NULL stores on array size; instead, expand the
91 * unroll.c (unroll_loop): Likewise.
93 * unroll.c (unroll_loop): Initialize const_equiv_varray element to
94 zero. After allocating varray, always exit through bottom of
95 function, where it can be deallocated if needed. Don't explicitly
96 reallocate const_equiv_map storage; instead, just ensure the
97 varray has been initialized, and update the global reference.
99 Mon Feb 1 09:40:25 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
101 * system.h (inline, const): Handle these for stage2 (and later) gcc.
103 * dwarf2out.c (inline): Don't define.
105 * dwarfout.c (inline): Likewise.
107 Sun Jan 31 22:04:37 1999 Richard Henderson <rth@cygnus.com>
109 * loop.c (recombine_givs): Dump recombination and derivation data.
111 Sun Jan 31 20:34:29 1999 Zack Weinberg <zack@rabi.columbia.edu>
113 * flags.h: Declare flag_no_ident.
114 * toplev.c: Define flag_no_ident. Process -f(no-)ident here.
115 * c-tree.h: Don't declare flag_no_ident.
116 * c-decl.c: Don't define flag_no_ident. Don't process
117 -f(no-)ident switches here.
119 * config/elfos.h (ASM_FILE_END): Output final .ident directive
120 only if !flag_no_ident.
121 * config/ptx4.h: Likewise.
122 * config/svr4.h: Likewise.
123 * config/alpha/elf.h: Likewise.
124 * config/arm/linux-elf.h: Likewise.
125 * config/i386/sco5.h: Likewise.
126 * config/i860/fx2800.h: Likewise.
127 * config/mips/gnu.h: Likewise.
128 * config/i386/osfrose.h: Likewise.
130 * gcc.c (C specs): Map -Qn to -fno-ident.
131 * objc/lang-specs.h: Likewise.
133 Mon Feb 1 10:52:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
135 * configure.in: Don't remove loop.o and unroll.o when
136 enable-haifa is selected.
137 * configure: Rebuilt.
139 Sun Jan 31 13:22:02 1999 John Wehle (john@feith.com)
141 * i386.md (movsicc, movhicc, movsfcc, movdfcc,
142 movxfcc, movdicc): Delete unconstrained alternatives.
143 * i386.c (output_fp_conditional_move,
144 output_int_conditional_move): Delete unused case.
146 Sun Jan 31 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
148 * version.c: Bump for snapshot.
150 Sun Jan 31 00:52:37 1999 Richard Henderson <rth@cygnus.com>
152 * alpha.md (mov patterns): Emit the assembler aliases mov and fmov
153 instead of bis and cpys. Combine alternatives where possible.
155 Sat Jan 30 23:14:13 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
157 * gcov.c (fnotice): Add missing FILE* parameter.
158 (function_summary): Fix format specifiers in calls to `fnotice'.
159 (output_data): Likewise.
161 * toplev.c (fnotice): Constify char* parameter.
163 * toplev.h (fnotice): Add prototype.
164 Wrap prototype with BUFSIZ to protect FILE* usage.
166 Sun Jan 31 15:33:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
168 * config/c4x/c4x.h (RTX_COSTS): Explicitly define c4x costs.
170 Sat Jan 30 08:27:23 1999 Jeffrey A Law (law@cygnus.com)
172 * combine.c (distribute_notes): Handle REG_EH_REGION notes.
174 * alias.c (fixed_scalar_and_varying_struct_p): Add "static" to
176 (aliases_everything_p, write_dependence_p):Likewise.
178 * install.texi: Fix merge lossages.
180 * cccp.c (main): Only call setlocale (LC_MESSAGES, ...) if LC_MESSAGES
182 * collect2.c (main): Likewise.
183 * cppmain.c (main): Likewise.
184 * gcc.c (main): Likewise.
185 * gcov.c (main): Likewise.
186 * protoize.c (main): Likewise.
187 * toplev.c (main): Likewise.
189 * pa.md (parallel shift and shiftadd): Mark output of shift as an
192 * loop.c: Disable recent loop changes. Temporary as Joern
193 continues to fix problems.
195 Sat Jan 30 03:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
197 * loop.c (strength_reduce): Size reg_map according to reg_iv_type.
199 Fri Jan 29 18:26:07 1999 Dave Brolley <brolley@cygnus.com>
201 * emit-rtl.c (remove_insn): New function.
202 * rtl.h (remove_insn): Add prototype.
203 * function.c (reposition_prologue_and_epilogue_notes): Call remove_insn.
205 Fri Jan 29 22:34:41 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
207 * loop.c (recombine_givs): Don't try to derive givs that have combined.
209 Fri Jan 29 15:00:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
211 * toplev.c (notice, fnotice): Check ANSI_PROTOTYPES, not __STDC__,
212 when declaring arguments and calling va_arg() to initialize them.
214 * collect2.c (notice): Likewise.
216 * loop.c (find_life_end): Use PROTO() macro in the prototype.
218 Fri Jan 29 14:36:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
220 * collect2.c (error): Fix typo in declaration.
222 * cpperror.c (cpp_message): Likewise.
224 * cpplib.c (cpp_warning): Likewise.
226 * cpplib.h (cpp_notice): Use PVPROTO not VPROTO, also add
229 * toplev.c (error): Fix typo in declaration.
231 Fri Jan 29 15:44:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
233 * loop.c (strength_reduce): Fix HAVE_cc0 handling when scanning
234 forward from cont dominator.
236 Fri Jan 29 07:10:27 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
238 * cccp.c (eprint_string): Constify a char*.
239 (notice): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
240 (vnotice): Constify a char*.
241 (error): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
242 (verror): Constify a char*.
243 (warning): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
244 (vwarning): Constify a char*.
245 (error_with_line): Likewise. Use PVPROTO not VPROTO, add
247 (verror_with_line): Constify a char*.
248 (vwarning_with_line): Likewise.
249 (warning_with_line): Likewise. Use PVPROTO not VPROTO, add
251 (pedwarn): Constify a char*. Use PVPROTO not VPROTO, add
253 (pedwarn_with_line): Likewise with ATTRIBUTE_PRINTF_2.
254 (pedwarn_with_file_and_line): Likewise with ATTRIBUTE_PRINTF_4.
255 Also correct typo in parameter name declaration.
256 (make_assertion): Constify a char*.
257 (quote_string_for_make): Likewise.
258 (deps_output): Likewise.
259 (fatal): Likewise. Use PVPROTO not VPROTO, add
260 ATTRIBUTE_PRINTF_1. Use ATTRIBUTE_NORETURN not an explicit
261 "__attribute__ ((noreturn))".
262 (fancy_abort): Likewise for ATTRIBUTE_NORETURN.
263 (pfatal_with_name): Likewise.
264 (pipe_closed): Likewise.
265 (memory_full): Likewise.
267 Fri Jan 29 00:14:55 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
269 * loop.c (strength_reduce): Grow set_in_loop / n_times_set /
270 may_not_optimize to proper size when converting biv increments
272 If necessary, reallocate reg_iv_type / reg_iv_info before calling
275 Thu Jan 28 23:24:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
277 * loop.c (recombine_givs): New parameter unroll_p. If set, don't
278 generate complex adds. Changed caller.
279 Don't generate adds that cost more than the original one.
280 (strength_reduce): Warning fixes.
282 Thu Jan 28 09:41:11 1999 Jeffrey A Law (law@cygnus.com)
284 * configure.in (hppa1.0-hp-hpux10*): Use t-pa.
285 * configure: Rebuilt.
287 Wed Jan 27 23:39:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
289 * rtl.h (insn_first_p): Declare.
290 * rtlanal.c (insn_first_p): New function.
291 * loop.h (varray.h): Include.
292 (struct induction): Change combined_with to unsigned.
293 New members derived, ix and last_use.
294 (reg_iv_type, reg_iv_info): Now varray_type. All references changed.
295 (REG_IV_TYPE, REG_IV_INFO): Define.
296 (first_increment_giv, last_increment_giv): Declare.
297 * loop.c (loop_number_loop_cont): New static variable.
298 (loop_number_cont_dominator): Likewise.
299 (reg_iv_type, reg_iv_info): Now varray_type.
300 (first_increment_giv, last_increment_giv): New variables.
301 (compute_luids, verify_dominator, find_life_end): New functions.
302 (cmp_recombine_givs_stats, recombine_givs): Likewise.
303 (loop_optimize): Allocate loop_number_loop_cont and
304 loop_number_cont_dominator. Use compute_luids.
305 (find_and_verify_loops): Initialize loop_number_loop_cont and
306 loop_number_cont_dominator.
307 (strength_reduce): Try to find bivs that can be expressed as givs
308 of another biv, and to convert biv increments into givs.
309 Call recombine_givs. Handle derived givs.
310 (record_biv): New argument location. All callers changed.
311 (record_giv): Initialize derived and last_use fields.
312 (basic_induction_var): New argument location. All callers changed.
313 (combine_givs): Don't combine a DEST_REG giv with a DEST_ADDR giv.
314 Increment combined_with instead of setting to 1.
315 * unroll.c (derived_regs): New static variable.
316 (unroll_loop): Initialize it.
317 Allocate local_regno according to max_reg_num.
318 (copy_loop_body): Cope with derived givs.
319 (find_splittable_givs): Check for Givs made from biv increments.
320 Set derived_regs for givs.
321 * Makefile.in (stmt.o, loop.o, unroll.o): Depend on loop.h .
323 Wed Jan 27 19:31:36 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
325 * function.c (purge_addressof_1): Handle case when a register
326 has been used in a wider mode.
328 Wed Jan 27 11:58:18 1999 Dave Brolley <brolley@cygnus.com>
330 * cpplib.h (cpp_notice): Add prototype.
332 Wed Jan 27 02:20:48 1999 Jeffrey A Law (law@cygnus.com)
334 * Merge gcc2 snapshot 19980929.
336 * cccp.c (PRINTF_PROTO): Remove.
337 (PRINTF_PROTO_{1,2,3,4}: Likewise.
339 * system.h: Add PRINTF_PROTO and PRINTF_PROTO_{1,2,3,4}.
341 * fix-header.c (cpp_file_lin_for_message): Delete. In libcpp.
342 (cpp_print_containing_files, v_cpp_message, cpp_message): Likewise.
343 (cpp_fatal, cpp-Pfatal_with_name): Likewise.
345 * gen-protos.c (hashf): Delete in cpphash.o
346 * gen-protos.c (hashf): Delete in cpphash.o
348 * expr.c: Do not merge SAVE_STACKAREA_MODE changes.
349 * expmed.c: Likewise.
350 * rs6000.md: Likewise.
352 * rs6000.c, rs6000.md: Do not merge formatting changes yet.
354 Wed Jan 27 01:13:42 1999 Richard Henderson <rth@cygnus.com>
356 * rs6000.c (input_operand): Don't expect CONST around CONSTANT_P_RTX.
357 * rs6000.md (movsi, movdi): Likewise.
359 Tue Jan 26 13:31:38 1999 Jim Wilson <wilson@cygnus.com>
361 * function.c (expand_function_end): Pass arg_pointer_save_area to
362 validize_mem before using it. Emit code into a sequence.
364 Tue Jan 26 13:41:38 1999 David Edelsohn <edelsohn@mhpcc.edu>
366 * rs6000.md (doz + set cr and or + set cr patterns): Add missing
367 '#' to split patterns. Correct indentation of some new patterns.
369 1999-01-26 12:11 -0500 Zack Weinberg <zack@midnite.ec.rhno.columbia.edu>
371 * cppfiles.c (safe_read): Deleted.
372 (read_and_prescan): New function, replaces safe_read, converts
373 and/or warns about trigraphs, silently converts odd line
374 terminators (\r, \n\r, \r\n). Warns about no newline at EOF.
375 (finclude): Use read_and_prescan; turn off nonblocking mode on
376 the input descriptor; remove file-size-examination and
377 no-newline-at-EOF gunk which is longer necessary; be more
378 careful about checking that we've been handed a legitimate
379 file to read (only real files, pipes, and ttys are acceptable).
380 * cpplib.h (cpp_options): Rename no_trigraphs flag to
381 `trigraphs' and invert its sense.
382 (trigraph_table): Declare.
383 (cpp_warning_with_line): Prototype.
384 * cpplib.c: Remove all references to trigraph_pcp. Define
385 trigraph_table; initialize it in initialize_char_syntax. Open
386 files in nonblocking mode. s/no_trigraphs/trigraphs/
387 throughout, and invert sense. Put cpp_warning_with_line back
390 Tue Jan 26 23:21:49 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
392 * config/c4x/c4x.h (COUNTER_REGS): New register class.
393 * config/c4x/c4x.md (*rptb_init): Change constraints.
394 (rptb_end): Emit alternate looping instructions if
395 RC register not allocated for loop counter.
396 (decrement_and_branch_on_count): Allow other registers
399 1999-01-25 14:26 -0500 Zack Weinberg <zack@rabi.columbia.edu>
401 * cppexp.c (struct arglist): Removed.
402 (parse_number): Use HOST_WIDE_INT for the accumulator.
403 Allow two `l' suffixes unless C89. Clean up. Make static.
404 (parse_charconst): New function broken out of cpp_lex.
405 Code cleaned up drastically. Don't use a token_buffer.
406 (token_buffer): Removed.
407 (cpp_lex): Don't call parse_number on a constant string.
409 (cpp_parse_expr): Properly handle an ERROR op returned by
412 1999-01-25 14:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
414 * cpplib.c: Don't include signal.h, sys/times.h, or
415 sys/resource.h. Don't declare localtime.
416 (macroexpand): Handle special symbols here.
417 (push_macro_expansion): Chop off the trailing '@ ' if possible
419 (cpp_get_token): Don't do either of the above two things here.
420 Move `string' label just after case '"' so that wide strings
421 don't crash the preprocessor.
423 Sun Jan 24 20:13:45 1999 David Edelsohn <edelsohn@mhpcc.edu>
425 * rs6000.md (left shift + set cr patterns): Add missing '#' to
427 (move register + set cr pattern): Ditto.
428 (movdi, !TARGET_POWERPC64 splitters): Add back in Jan. 15th patch,
429 inadvertently deleted.
431 Sun Jan 24 08:07:59 1999 Jeffrey A Law (law@cygnus.com)
433 * stmt.c (stmt_loop_nest_empty): New function.
434 * tree.h (stmt_loop_nest_empty): Declare it.
435 * rtl.def (CALL_PLACEHOLDER): New rtx code.
437 Sun Jan 24 21:24:43 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
439 * config/c4x/c4x.c (c4x_emit_move_sequence, c4x_encode_section_info):
441 (c4x_check_legit_addr): Remove USE and PLUS, allow
442 LO_SUM, and disable SYMBOL_REF, LABEL_REF, and CONST cases.
443 (c4x_legitimize_address): Penalise SYMBOL_REF, LABEL_REF, and
444 CONST cases. Add LO_SUM.
445 (c4x_print_operand): Modified 'C' and 'R' cases for calls.
446 Added 'U' case. Remove dependence on SYMBOL_REF_FLAG.
447 (c4x_print_operand_address): Handle LO_SUM.
448 (c4x_scan_for_ldp): Delete. Hooray!
449 (c4x_process_after_reload): Remove call to c4x_scan_for_ldp.
451 (c4x_immed_int_constant): Renamed from c4x_int_constant. All callers
453 (c4x_immed_float_constant): Renamed from c4x_float_constant. All
455 (c4x_T_constraint): Allow LO_SUM, disable SYMBOL_REF, LABEL_REF,
457 (c4x_U_constraint, symbolic_operand): New functions.
458 (src_operand): Allow 'I' constants in HImode. Allow LO_SUM,
459 disable SYMBOL_REF, LABEL_REF, and CONST.
460 (lsrc_operand, tsrc_operand): Call src_operand instead of
462 (c4x_operand_subword): Update comments.
464 * config/c4x/c4x.c (TARGET_LOAD_ADDRESS): New macro.
465 (LEGITIMATE_CONSTANT_P): Allow SYMBOL_REF, LABEL_REF, CONST,
466 plus HIGH and LO_SUM for the C40.
467 (ENCODE_SECTION_INFO): Define macro.
468 (symbolic_operand, c4x_U_constraint, c4x_emit_move_sequence): New
470 (PREDICATE_CODES): Add symbolic_operand.
472 * config/c4x/c4x.md (movqi, movgqf, movhi, movhi): Call
473 c4x_emit_move_sequence.
474 (floatunsqiqf2, fixuns_truncqfqi2): Rework emitted RTL
475 to avoid symbol references.
476 (all patterns with g constraint): Replace 'g' constraint with 'rIm'.
477 (set_high): Renamed from set_high_use.
478 (set_lo_sum): Renamed from set_ior_lo_use.
479 (all call patterns): Make MEM explicit in call address operands.
480 Modified output templates to use 'U' modifier.
482 Sun Jan 24 01:15:05 PST 1999 Jeff Law (law@cygnus.com)
484 * version.c: Bump for snapshot.
486 Sat Jan 23 22:34:57 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
488 * final.c (bb_str): Qualify a char* with the keyword `const'.
489 (add_bb_string, final_scan_insn, output_asm_insn): Likewise.
491 * fix-header.c (read_scan_file): Likewise.
493 * genoutput.c (output_epilogue, process_template): Likewise.
495 * local-alloc.c (requires_inout, block_alloc): Likewise.
497 * output.h (output_asm_insn, assemble_string): Likewise.
499 * recog.c (recog_constraints, check_asm_operands,
500 decode_asm_operands, extract_insn, preprocess_constraints,
501 constrain_operands): Likewise.
503 * recog.h (operand_alternative, recog_constraints, insn_template,
504 insn_outfun, insn_operand_constraint, insn_name): Likewise.
506 * regclass.c (record_reg_classes, scan_one_insn): Likewise.
508 * regmove.c (find_matches): Likewise.
510 * reload.c (alternative_allows_memconst): Likewise.
512 * reload1.c (constraint_accepts_reg_p,
513 reload_cse_simplify_operands): Likewise.
515 * rtl.h (decode_asm_operands): Likewise.
517 * scan.h (fn_decl): Likewise.
519 * varasm.c (assemble_string): Likewise.
521 Sat Jan 23 01:37:36 1999 Jeffrey A Law (law@cygnus.com)
523 * configure.in (gcc_tooldir): Handle case where exec_prefix has
524 not been explicitly set.
525 * configure: Rebuilt.
527 * fold-const.c (lshift_double): Mark 'prec' arguments as possibly
530 * bitmap.h (bitmap_head_def): Make indx field unsigned.
532 * configure.in (gcc_tooldir): When not making a relative gcc_tooldir,
533 use $exec_prefix/$target_alias for gcc_tooldir.
534 * configure: Rebuilt.
536 Fri Jan 22 11:48:56 1999 Richard Henderson <rth@cygnus.com>
538 * cppp.c (xrealloc): Fix typo last change.
539 * cppalloc.c, gcc.c, genattr.c, genattrtab.c, gencodes.c: Likewise.
540 * genconfig.c, genemit.c, genextract.c, genflags.c: Likewise.
541 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
543 1999-01-22 Michael Meissner <meissner@cygnus.com>
545 * rs6000.h (CR0_REGNO_P): New macro to test if cr0.
546 (CR_REGNO_NOT_CR0_P): New macro to test if cr, but not cr0.
547 (PREDICATE_CODES): Add cc_reg_not_cr0_operand.
548 (cc_reg_not_cr0_operand): Add declaration.
550 * rs6000.c (cc_reg_not_cr0_operand): Return true if register is a
551 pseudo register, or a control register that is not CR0.
553 * rs6000.md (all combiner patterns building . instructions): For
554 all `.' instructions that do something and set cr0, add an
555 alternative that does the operation, and then sets a different
556 flag, in order to avoid using the costly mcrf instruction and also
557 allow cr0 to be clobbered in asm statements. Also fix a few
558 patterns that used the wrong register.
560 * rs6000.h (rs6000_cpu_select): Make string, names be const char *.
561 (rs6000_debug_name): Make const char *, not char *.
563 * sysv4.h (rs6000_{abi,sdata}_name): Make const char *.
565 * rs6000.c (rs6000_{debug,abi,sdata}_name): Make const char *.
566 (rs6000_select): Use const char * in casts.
568 Fri Jan 22 07:43:01 1999 Jeffrey A Law (law@cygnus.com)
570 * Makefile.in (gcc_tooldir): Move before first reference.
571 Let autoconf substitute in a value.
572 * configure.in (gcc_tooldir): Only use a relative path to the
573 tool directory if $exec_prefix == $prefix.
574 * configure: Rebuilt.
576 * Makefile.in (tooldir): Replace with gcc_tooldir.
578 Thu Jan 21 23:21:57 1999 Jeffrey A Law (law@cygnus.com)
580 * m68k.md (ashldi_const): Disable for !TARGET_5200. Fix indention.
581 (ashldi3 expander): Similarly. Update comments.
582 (ashrdi_const, lshrdi_const): Fix indention.
583 (ashrdi3, lshrdi3): FIx indention. Update comments.
585 Thu Jan 21 21:53:36 1999 Richard Henderson <rth@cygnus.com>
587 * emit-rtl.c (try_split): Don't try to split non-instructions.
589 Thu Jan 21 23:47:30 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
591 * expr.c (emit_push_insn): Fix dumb typo.
593 Thu Jan 21 20:24:02 1999 Richard Henderson <rth@cygnus.com>
595 * rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Recognize and accept
596 transformations that we have performed earlier.
597 * alpha.h (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
599 * alpha.md (prologue_stack_probe_loop): Don't do our own label
600 handling, call gen_label_rtx instead.
602 Thu Jan 21 17:45:18 1999 Richard Henderson <rth@cygnus.com>
604 * configure.in ({rs6000|powerpc}-ibm-aix4.[12]*): Add missing `then'.
606 * cccp.c (xrealloc): Call malloc given a NULL old pointer.
607 * collect2.c, cppalloc.c, gcc.c, genattr.c, genattrtab.c: Likewise.
608 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
609 * genflags.c, genopinit.c, genoutput.c, genpeep.c: Likewise.
610 * genrecog.c, mips-tfile.c, protoize.c: Likewise.
612 Thu Jan 21 19:44:55 1999 Michael Meissner <meissner@cygnus.com>
614 * configure.in ({rs6000|powerpc}-ibm-aix4.[12]*): If
615 --with-gnu-ld, use x-aix41-gld instead of x-aix41 to suppress
616 adding -Wl,-bbigtoc to BOOT_LDFLAGS.
617 * configure: Regenerate.
619 * config/rs6000/x-aix41-gld: New file, don't set BOOT_LDFLAGS.
621 Thu Jan 21 15:48:03 1999 Dave Brolley <brolley@cygnus.com>
623 * cppexp.c (cpp_lex): Allocate token_buffer dynamically.
625 Thu Jan 21 14:18:04 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
627 * expr.c (MOVE_BY_PIECES_P): Define condition for deciding to use
629 (MOVE_MAX_PIECES): Define maximum number of bytes to move at once.
630 (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_DECREMENT): Define defaults.
631 (USE_STORE_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Define defaults.
632 (move_by_pieces): Use new macros.
633 (emit_block_move): Use new macros.
634 (clear_by_pieces): Use new macros.
635 (clear_storage): Use new macros.
636 (emit_push_insn): Use new macros.
637 (expand_expr): Use new macros.
638 * config/sh/sh.h (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_DECREMENT):
640 (USE_STORE_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Define.
641 (MOVE_BY_PIECES_P): Define based on alignment and TARGET_SMALLCODE.
642 (MOVE_MAX_PIECES): move 8 bytes on SH4.
643 * tm.texi(MOVE_BY_PIECES_P, MOVE_MAX_PIECES, USE_LOAD_POST_INCREMENT,
644 USE_LOAD_PRE_DECREMENT, USE_STORE_POST_INCREMENT,
645 USE_STORE_PRE_DECREMENT): Describe new macros.
647 Thu Jan 21 14:13:31 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
649 * varasm.c (output_constant_pool): Use floor_log2 instead of
650 exact_log2 for ASM_OUTPUT_ALIGN.
652 * stor-layout.c (layout_type): Do machine-dependent extra alignment.
654 * emit-rtl.c (operand_subword): Handle case when a subword outside
657 * tm.texi (ROUND_TYPE_{SIZE,ALIGN}): More accurate descriptions of
660 Thu Jan 21 01:59:30 1999 Richard Henderson <rth@cygnus.com>
662 * cse.c (fold_rtx): Revert 29 Dec change.
663 (cse_insn): Revert 12 Jan change.
664 * expr.c (expand_builtin): Don't emit CONST around CONSTANT_P_RTX.
665 * regclass.c (reg_scan_mark_refs): Revert 29 Dec change.
667 * rtl.h (CONSTANT_P): Likewise.
669 * expr.c (emit_move_insn): Never try to flush CONSTANT_P_RTX
671 * recog.c (immediate_operand): Accept CONSTANT_P_RTX.
672 * alpha.c (input_operand): Likewise.
673 * c4x.c (const_operand): Likewise.
675 * explow.c (allocate_dynamic_stack_space): Use register_operand
676 instead of arith_operand, which does not exist.
678 * 1750a.h: Fix comment closure.
679 * a29k.c (a29k_set_memflags): Fix typo in 19 Jan change.
680 * arc.md (one_cmplsi2_set_cc_insn): Fix set mode mismatch.
681 * arm.h (TARGET_SWITCHES): Fix typo.
682 * i370.md (anon mult and div patterns): Fix set mode mismatch.
683 * i860.c (output_delayed_branch): Fix operands to constrain_operands.
684 (output_delay_insn): Likewise.
685 * m88k.md (anon rotate insns): Fix set mode mismatch.
686 (anon BLKmode moves): Commonize and fix set mode mismatches.
687 * ns32k.md (udivmoddi[shq]i4_internal): Fix mode mismatch.
688 * romp.md (movdf): Fix typo.
690 Thu Jan 21 00:29:35 1999 Nathan Sidwell <nathan@acm.org>
692 * Makefile.in (install-common): Remove extraneous chmod for gcov
695 Wed Jan 20 18:15:08 1999 Dave Brolley <brolley@cygnus.com>
697 * function.c (assign_parms): Save and restore setting of
700 Wed Jan 20 12:51:42 1999 Mark Mitchell <mark@markmitchell.com>
702 * arm.md: Use MEM_COPY_ATTRIBUTES where appropriate throughout.
703 Pass MEM_SCALAR_P to arm_gen_store_multiple where appropriate.
705 Tue Jan 19 21:20:52 1999 Richard Henderson <rth@cygnus.com>
707 * recog.c (pop_operand): New function.
708 * recog.h (pop_operand): Declare it.
709 * genrecog.c (preds): Define it.
711 * expr.c (do_jump_for_compare): Handle conditional branch expanders
712 emitting multiple jump instructions.
713 * jump.c (condjump_label): New function.
714 * rtl.h (condjump_label): Declare it.
716 Tue Jan 19 21:08:20 1999 Richard Henderson <rth@cygnus.com>
718 * expr.c (emit_move_insn_1): Revert 17 Dec change. Don't emit
719 clobber during or after reload.
721 Tue Jan 19 16:56:03 1999 Richard Henderson <rth@cygnus.com>
723 * genoutput.c (name_for_index): New function.
724 (scan_operands, validate_insn_alternatives): Use it.
725 * genrecog.c (insn_name_ptr_size): New variable.
726 (make_insn_sequence): Fill in insn_name_ptr.
727 (merge_trees): Use it.
729 Tue Jan 19 16:37:36 1999 Richard Henderson <rth@cygnus.com>
731 * i386/isc.h (TARGET_DEFAULT): Define symbolicly.
732 * i386/isccoff.h, i386/next.h, i386/sco.h, i386/sco5.h: Likewise.
733 * i386/scodbx.h, i386/sequent.h, i386.unix.h: Likewise.
735 Tue Jan 19 15:00:10 1999 Jeffrey A Law (law@cygnus.com)
737 * loop.c (NUM_STORES): Delete.
738 (loop_store_mems): Turn into an EXPR_LIST of MEMs.
739 (prescan_loop): Properly initialize loop_mems_idx.
740 (note_addr_stored): Simplify using list structure instead of
742 (invariant_p, check_dbra_loop, load_mems): Similarly.
744 * flow.c (invalidate_from_autoinc): New function.
745 (mark_set_1, mark_used_regs): Use it.
747 * Makefile.in (protoize.o, unprotoize.o): Depend on Makefile.
749 1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com>
751 * invoke.texi (-mlong-double-64): New option description.
753 1999-01-19 Jim Wilson <wilson@cygnus.com>
755 * libgcc2.c: Change all uses of LONG_DOUBLE_TYPE_SIZE to
756 LIBGCC2_LONG_DOUBLE_TYPE_SIZE.
757 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): New. Set to LONG_DOUBLE_TYPE_SIZE
759 * i960/i960.h (MULTILIB_DEFAULTS): Define to mnumerics.
760 (CPP_SPECS): Add -mlong-double-64 support.
761 (TARGET_FLAG_LONG_DOUBLE_64, TARGET_LONG_DOUBLE_64): New.
762 (TARGET_SWITCHES): Add -mlong-double-64 support.
763 (LONG_DOUBLE_TYPE_SIZE): Likewise.
764 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
765 * i960/vx960-coff.h (MULTILIB_DEFAULTS): Define to msoft-float.
766 (CPP_SPECS): Add -mlong-double-64 support.
767 * i960/t-960bare (MULTILIB_OPTIONS): Add mlong-double-64.
768 (MULTILIB_DIRNAMES): Add ld64.
769 * i960/t-vxworks960 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Likewise.
771 Tue Jan 19 11:54:04 1999 Jason Merrill <jason@yorick.cygnus.com>
773 * calls.c (expand_call): Strip a TARGET_EXPR if we're passing by
776 Tue Jan 19 14:51:36 1999 David Edelsohn <edelsohn@mhpcc.edu>
778 * rs6000.c (offsettable_addr_operand): Delete.
779 (offsettable_mem_operand): New function.
780 * rs6000.h (PREDICATE_CODES): Reflect function change.
781 (RS6000_SAVE_TOC): Represent address as MEM.
782 * win-nt.h (RS6000_SAVE_TOC): Same.
783 * rs6000.md (indirect calls): Change offsettable address parameter
784 to offsettable memory parameter.
786 Tue Jan 19 10:24:53 1999 Mark Mitchell <mark@markmitchell.com>
788 * rtl.h (rtx_def): Update documentation.
789 (MEM_IN_STRUCT_P): Likewise.
790 (MEM_SCALAR_P): New macro.
791 (MEM_COPY_ATTRIBUTES): Likewise.
792 (MEM_SET_IN_STRUCT_P): Likewise.
793 * rtl.texi (MEM_SCALAR_P): Document.
794 * alias.c (canon_rtx): Use MEM_COPY_ATTRIBUTES.
795 (fixed_scalar_and_varying_struct_p): New function. Use
796 MEM_SCALAR_P rather than !MEM_IN_STRUCT_P.
797 (aliases_everything_p): Likewise.
798 (true_dependence): Use them.
799 (write_dependence_p): New function, containing code common to
800 anti_dependence and output_dependence.
801 (anti_dependence): Use it.
802 (output_dependence): Likewise.
803 * calls.c (save_fixed_argument_area): Don't clear
805 (expand_call): Use MEM_SET_IN_STRUCT_P.
806 (emit_library_call): Don't clear MEM_IN_STRUCT_P.
807 (emit_library_call_value): Likewise.
808 (store_one_arg): Use MEM_SET_IN_STRUCT_P.
809 * combine.c (simplify_rtx): Use MEM_COPY_ATTRIBUTES.
810 (make_extraction): Likewise.
811 (simplify_shift_const): Likewise.
812 (gen_lowpart_for_combine): Likewise.
813 * cse.c (gen_lowpart_if_possible): Use MEM_COPY_ATTRIBUTES.
814 * emit-rtl.c (operand_subword): Likewise.
815 (change_address): Likewise.
816 * explow.c (stabilize): Use MEM_COPY_ATTRIBUTES.
817 * expr.c (protect_from_queue): Use MEM_COPY_ATTRIBUTES.
818 (emit_group_store): Use MEM_SET_IN_STRUCT_P.
819 (copy_blkmode_from_reg): Likewise.
820 (store_field): Likewise.
821 (expand_expr): Remove bogus guesswork setting MEM_IN_STRUCT_P
822 heuristically. Use MEM_SET_IN_STRUCT_P.
823 (get_memory_rtx): Likewise.
824 * final.c (alter_subreg): Use MEM_COPY_ATTRIBUTES.
825 * function.c (assign_stack_temp): Clear MEM_SCALAR_P and
826 MEM_ALIAS_SET on newly returned MEMs.
827 (assign_temp): Use MEM_SET_IN_STRUCT_P.
828 (put_reg_into_stack): Likewise.
829 (fixup_var_refs1): Use MEM_COPY_ATTRIBUTES.
830 (gen_mem_addressof): Use MEM_SET_IN_STRUCT_P.
831 (assign_parms): Likewise.
832 (expand_function): Likewise.
833 * integrate.c (expand_inline_function): Likewise.
834 (copy_rtx_and_substitute): Use MEM_COPY_ATTRIBUTES.
835 * loop.c (note_addr_stored): Remove check on MEM_IN_STRUCT_P.
836 * optabs.c (gen_move_insn): Use MEM_COPY_ATTRIBUTES.
837 * print-rtl.c (print_rtx): Print /f for frame_related.
838 * recog.c (validate_replace_rtx_1): Use MEM_COPY_ATTRIBUTES.
839 * reload1.c (reload): Copy MEM_SCALAR_P as well.
840 * stmt.c (expand_decl): Use MEM_SET_IN_STRUCT_P.
841 (expand_anon_union_decl): Use MEM_COPY_ATTRIBUTES.
842 * varasm.c (make_decl_rtl): Use MEM_SET_IN_STRUCT_P.
843 (output_constant_def): Likewise.
844 * a29k.c (a29k_set_memflags_1): Take scalar_p.
846 (a29k_set_memflags): Use it.
847 * alpha.c (get_aligned_mem): Use MEM_COPY_ATTRIBUTES.
848 * c4x.c (c4x_scan_for_ld): Likewise.
849 * h8300.c (fix_bit_operand): Likewise.
850 * m88k.c (legitimize_address): Likewise.
851 (block_move_loop): Likewise.
852 (block_move_no_loop): Likewise.
853 (block_move_sequence): Likewise.
854 (m88k_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
855 * mips/abi64.h (SETUP_INCOMING_VARARGS): Likewise.
856 * rs6000.c (expand_block_move_insn): Use MEM_COPY_ATTRIBUTES.
857 * sh.c (sh_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
858 * arm.h (arm_gen_load_multiple): Take scalar_p.
859 (arm_store_load_multiple): Likewise.
860 * arm.c (arm_gen_load_multiple): Likewise.
861 (arm_gen_store_multiple): Likewise.
862 (arm_gen_movstrqi): Treat MEM_SCALAR_P like MEM_IN_STRUCT_P.
864 Tue Jan 19 12:30:37 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
866 * optabs.c (emit_libcall_block): Add a REG_EH_REGION reg note to all
867 calls within a libcall block to indicate no throws are possible.
868 * flow.c (find_basic_blocks, find_basic_blocks_1): Don't look for
869 libcall blocks. Don't add edges to exception handlers if we see
870 a REG_EH_REGION note with a value of 0.
871 (make_edges): Override active_eh_region vector if the call has a note
872 indicating the call does not throw.
874 1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com>
876 * config/rs6000/sysv4.h (CC1_SPEC): Fix correct numbers of {}.
878 Tue Jan 19 06:26:30 1999 Jeffrey A Law (law@cygnus.com)
880 * Makefile.in (cccp.o, cpplib.o): Depend on Makefile.
882 Mon Jan 18 09:56:41 1999 Jason Merrill <jason@yorick.cygnus.com>
884 * invoke.texi (C++ Dialect Options): Document -fno-rtti.
886 1999-01-18 Vladimir N. Makarov <vmakarov@cygnus.com>
888 * invoke.texi (-mcpu=740, -mcpu=750): New options.
889 (-m(no-)multiple, -m(no-)string): Describe cases for PPC740 &
892 1999-01-18 Michael Meissner <meissner@cygnus.com>
894 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
895 supported with -mcpu=xxx.
896 (processor_type): Add PROCESSOR_PPC750.
897 (ADJUST_PRIORITY): Call rs6000_adjust_priority.
898 (RTX_COSTS): Supply costs for 750 multiply/divide operations.
899 (rs6000_adjust_priority): Add declaration.
901 * rs6000.c (rs6000_override_options): -mcpu={750,740} now sets the
902 processor type as 750, not 603. Allow -mmultiple and -mstring on
903 little endian 750 systems.
904 (rs6000_adjust_priority): Stub for now.
905 (get_issue_rate): The PowerPC 750 can issue 2 instructions/cycle.
907 * rs6000.md (function/cpu attributes): Add initial ppc750 support.
909 * sysv4.h (STRICT_ALIGNMENT): Don't force strict alignment if
911 (CC1_SPEC): Pass -mstrict-align if little endian, and not
913 (CC1_ENDIAN_{LITTLE,BIG,DEFAULT}_SPEC): Endian specific configs.
914 (SUBTARGET_EXTRA_SPECS): Add cc1 endian specs.
916 * {sysv4,eabi}le.h (CC1_ENDIAN_DEFAULT_SPEC): Override, default is
919 * t-ppcgas (MULTILIB_*): Delete obsolete Solaris multilibs.
921 Mon Jan 18 12:03:08 1999 Gavin Romig-Koch <gavin@cygnus.com>
923 * config/mips/mips.md (div_trap): Split div_trap_mips16
925 (div_trap_normal,div_trap_mips16): Correct the length attributes.
927 Mon Jan 18 11:48:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
929 * cpplib.c (special_symbol): Qualify a char* with the `const' keyword.
930 Instead of writing to const char *buf directly, use a non-const
931 variable `wbuf' to allocate and write a string, then set buf = wbuf.
933 * cppulp.c (user_label_prefix): Qualify a char* with the `const'
936 * dyn-string.c (dyn_string_append): Likewise.
938 * dyn-string.h (dyn_string_append): Likewise.
940 * final.c (end_final, output_operand_lossage, asm_fprintf): Likewise.
942 * output.h (end_final, output_operand_lossage, asm_fprintf,
943 named_section, decode_reg_name, make_decl_rtl, user_label_prefix):
946 * profile.c (init_branch_prob): Likewise.
948 * toplev.c (set_target_switch, vmessage,
949 v_message_with_file_and_line, v_message_with_decl,
950 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
951 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
952 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
953 v_pedwarn_with_file_and_line, vsorry, v_really_sorry,
954 open_dump_file, dump_rtl, clean_dump_file,
955 print_version, print_single_switch, print_switch_values,
956 dump_base_name, debug_args, lang_independent_options,
957 user_label_prefix, documented_lang_options, target_switches,
958 target_options, print_time, pfatal_with_name, fatal_io_error,
959 fatal_insn, default_print_error_function, print_error_function,
960 report_error_function, error_with_file_and_line, error_with_decl,
961 error_for_asm, error, fatal, warning_with_file_and_line,
962 warning_with_decl, warning_for_asm, warning, pedwarn,
963 pedwarn_with_decl, pedwarn_with_file_and_line, sorry,
964 really_sorry, botch, output_quoted_string, output_file_directive,
965 open_dump_file, rest_of_decl_compilation, display_help, main):
968 * toplev.h (print_time, fatal, fatal_io_error, pfatal_with_name,
969 fatal_insn, warning, error, pedwarn, pedwarn_with_file_and_line,
970 warning_with_file_and_line, error_with_file_and_line, sorry,
971 really_sorry, default_print_error_function, report_error_function,
972 rest_of_decl_compilation, pedwarn_with_decl, warning_with_decl,
973 error_with_decl, error_for_asm, warning_for_asm, output_quoted_string,
974 output_file_directive, botch): Likewise.
976 * tree.h (make_decl_rtl): Likewise.
978 * varasm.c (strip_reg_name, named_section, decode_reg_name,
979 make_decl_rtl): Likewise.
981 Mon Jan 18 11:35:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
983 * Makefile.in (TCL_LIBRARY): Use 'cd' to find the library
984 directory logically rather than physically.
986 Mon Jan 18 09:05:37 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
988 * loop.c (insert_bct): Hide the definition of variables
989 `increment_direction', `compare_direction', `add_iteration' and
992 * recog.c (mode_dependent_address_p): Mark parameter `addr' with
993 ATTRIBUTE_UNUSED. Mark label `win' with ATTRIBUTE_UNUSED_LABEL.
994 (mode_independent_operand): Mark label `lose' with
995 ATTRIBUTE_UNUSED_LABEL.
997 * regclass.c (n_occurrences): Remove prototype and definition.
999 * reload.c (find_reloads_address_1): Mark variable `tem' with
1002 * reload1.c (reload): Cast the first two arguments of `bcopy' to PTR.
1004 * sbitmap.c (sbitmap_copy): Likewise.
1006 * scan-decls.c (scan_decls): Hide label `handle_comma'.
1008 * toplev.c (output_lang_identify): Mark prototype with
1011 * tree.c (make_node): Cast the first argument of `bzero' to PTR.
1012 (make_tree_vec): Likewise.
1015 * varasm.c (assemble_static_space): Mark variable `tem' with
1018 Mon Jan 18 04:28:36 1999 Nathan Sidwell <nathan@acm.org>
1020 * Makefile.in (GCOV_INSTALL_NAME): New macro.
1021 (install-common): Use it.
1022 (uninstall): Use it.
1023 (uninstall): Use correct names for protoize and unprotoize.
1025 Mon Jan 18 03:52:56 1999 Christian Bruel <Christian.Bruel@st.com>
1026 Jeffrey A Law (law@cygnus.com)
1028 * flow.c (last_mem_set): Delete variable. References removed.
1029 (mem_set_list): New variable.
1030 (life_analysis): Initialize and finalize alias analysis.
1031 (propagate_block); Initialize mem_set_list. Clear for CALL_INSNs.
1032 (insn_dead_p): For a store to memory, search the entire mem_set_list
1034 (mark_set_1): Kill entries on the mem_set_list for aliased writes or
1035 changes to their addresses. Add new entries to the mem_set_list for
1036 memory writes writes.
1037 (mark_used_regs): Kill entries on the mem_set_list which may be
1038 referenced by a load operation.
1040 Mon Jan 18 01:01:02 1999 Jeffrey A Law (law@cygnus.com)
1042 * alias.c (base_alias_check): Add missing return for differing
1045 Mon Jan 18 00:36:13 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1047 * mips-tdump.c (print_file_desc): Handle unknown filenames and
1048 missing local symbols.
1050 Sun Jan 17 21:04:31 1999 Richard Henderson <rth@cygnus.com>
1052 * jump.c (rtx_renumbered_equal_p): Special case CODE_LABEL.
1054 * system.h (bcopy): Implement with memmove not memcpy.
1056 Sun Jan 17 19:23:20 1999 Jeffrey A Law (law@cygnus.com)
1058 * Makefile.in (cppulp.o): Add dependencies.
1060 * i386.md (integer conditional moves): Add missing earlyclobbers.
1062 * regmove.c (optimize_reg_copy_1): Undo Aug 18 change. Update
1063 REG_N_CALLS_CROSSED and REG_LIVE_LENGH if and only if we change
1064 where a register is live.
1066 Sun Jan 17 03:20:47 1999 H.J. Lu (hjl@gnu.org)
1068 * reg-stack.c (subst_stack_regs_pat): Abort if the destination
1069 of a FP conditional move is not on the FP register stack.
1071 Sun Jan 17 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
1073 * version.c: Bump for snapshot.
1075 Sat Jan 16 23:40:33 1999 Jeffrey A Law (law@cygnus.com)
1077 * reload1.c (reload_cse_regs_1): Do not call
1078 reload_cse_simplify_operands for an insn with asm operands.
1080 * cccp.c (print_help): Fix typos.
1081 * cpplib.c (print_help): Fix typos.
1082 * toplev.c (f_optiosn): Fix typos.
1083 (documented_lang_options): Fix typos.
1085 Sat Jan 16 21:48:17 1999 Marc Espie (Marc.Espie@openbsd.org)
1087 * gcc.c: (do_spec_1): Fix obvious typo.
1089 Sat Jan 16 19:31:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1091 * c-decl.c (duplicate_decls): If `warn_traditional', warn when
1092 a non-static function declaration follows a static one.
1094 * invoke.texi (-Wtraditional): Document the extra check now done
1097 Sat Jan 16 15:13:46 1999 Jeffrey A Law (law@cygnus.com)
1099 * pa.md (shadd): Create shadd insns, even if the result of the shift is
1100 needed without the addition.
1102 Sat Jan 16 10:48:16 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1104 * sh.md (movdf, movsf): Temporary workaround for no_new_pseudos lossage.
1106 Fri Jan 15 23:44:37 1999 Richard Henderson <rth@cygnus.com>
1108 * sparc.c (sparc_issue): Add hypersparc/sparclite86x entries.
1110 Fri Jan 15 22:30:04 1999 David Edelsohn <edelsohn@mhpcc.edu>
1112 * rs6000.h (CONST_OK_FOR_LETTER_P): Do not assume 32-bit CONST_INT.
1113 * rs6000.c (u_short_cint_operand, add_operand, logical_operand,
1114 non_add_cint_operand, non_logical_cint_operand): Likewise.
1115 (get_issue_rate): Add CPU_PPC604E case.
1116 * rs6000.md (movdi, !TARGET_POWERPC64 splitters): Handle 64-bit hosts.
1118 Fri Jan 15 18:42:12 1999 Richard Henderson <rth@cygnus.com>
1120 * expr.c (queued_subexp_p): Make public.
1121 * expr.h (queued_subexp_p): Declare it.
1122 * recog.c (asm_operand_ok): New function.
1123 (check_asm_operands): Use it. After reload, use constrain_operands
1125 * recog.h (asm_operand_ok): Declare it.
1126 * stmt.c (expand_asm_operands): Use it to try harder to make
1127 asms initially satisfy their constraints.
1129 Fri Jan 15 17:43:59 1999 Jeffrey A. Law <law@rtl.cygnus.com>
1131 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do not create
1132 (mem (lo_sum (...)) for TFmode unless TARGET_V9.
1134 Sat Jan 16 12:47:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1136 * config/c4x/c4x.md (not_repeat_reg): Allow ldp instruction
1137 in delay slot of RPTBD.
1139 Sat Jan 16 12:26:40 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1141 * config/c4x/libgcc.S (___divhi3, ___modhi3): Fix long long
1142 divide and modulo sign problem.
1144 Fri Jan 15 11:02:31 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1146 * unroll.c (loop_iterations): Return 0 if the last loop insn
1147 is not a jump insn or if the loop has multiple back edges.
1149 Thu Jan 14 22:38:41 1999 Jeffrey A Law (law@cygnus.com)
1151 * unroll.c (find_splittable_givs): For a DEST_ADDR giv, do not share
1152 a register with another DEST_ADDR giv if the address is not valid.
1154 * pa.c (hppa_expand_epilogue): Save and restore the static chain
1155 around the call to mcount.
1157 * h8300.h (ASM_OUTPUT_LABELREF): Use asm_fprintf, not fprintf.
1159 * stmt.c (expand_end_case): Use emit_cmp_and_jump_insns to avoid
1160 generating non-canonical rtl.
1162 1999-01-14 Vladimir N. Makarov <vmakarov@cygnus.com>
1164 * config/i960/i960.c (i960_output_move_double_zero,
1165 i960_output_move_quad_zero): New functions for moving zeros.
1166 (i960_output_move_double, i960_output_move_quad): Additional code
1167 for situation when moving unaligned register group.
1169 * config/i960/i960.h (i960_output_move_double_zero,
1170 i960_output_move_quad_zero): The function definitions.
1172 * config/i960/i960.md (movdi+1, movti+1): Usage of the functions.
1174 1999-01-13 Vladimir N. Makarov <vmakarov@cygnus.com>
1176 * config/i960/i960.c (i960_function_prologue): New code (optimal
1177 solution) for saving global registers in local registers.
1178 (form_reg_groups, reg_group_compare, split_reg_group): New
1179 functions used by the code.
1180 (reg_group): New structure definition for the new code.
1182 Wed Jan 13 20:12:37 1999 Richard Henderson <rth@cygnus.com>
1184 * integrate.c (expand_inline_function): Recognize (mem (addressof))
1185 and substitute. Copy the return value from there into a new pseudo.
1187 Wed Jan 13 16:47:00 1999 Catherine Moore <clm@cygnus.com>
1189 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
1190 before generating a call to abort for volatile functions.
1191 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
1192 (TARGET_ABORT_NORETURN): Define.
1193 (abort-on-noreturn): New option.
1195 Thu Jan 14 13:52:42 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1197 * config/c4x/c4x.md (in_annul_slot_3): Correctly allow unarycc
1198 and binarycc operations in 3rd annulled delay slot!
1200 Wed Jan 13 16:16:44 1999 Catherine Moore <clm@cygnus.com>
1202 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
1203 before generating a call to abort for volatile functions.
1204 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
1205 (TARGET_ABORT_NORETURN): Define.
1206 (abort-on-noreturn): New option.
1208 Wed Jan 13 13:30:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1210 * cccp.c (xstrdup): Renamed from `savestring'. All callers changed.
1211 Remove prototype which we get from libiberty.h.
1213 * collect2.c (xstrdup): Likewise.
1215 * genextract.c (xstrdup): Likewise for `copystr'.
1216 (mybzero): Remove it and use `memset' instead.
1218 * genoutput.c (mybcopy, mybzero): Remove these. All callers changed
1219 to use `memcpy' and `memset' instead.
1221 * genrecog.c (xstrdup): Renamed from `copystr'. All callers
1222 changed. Remove prototype.
1223 (mybcopy, mybzero): Remove these and use memcpy/memset.
1225 Wed Jan 13 00:59:04 1999 Jeffrey A Law (law@cygnus.com)
1227 * mips.h (LOAD_EXTEND_OP): Correct for SImode and CCmode moves when
1228 generating code for TARGET_64BIT.
1230 Tue Jan 12 14:05:37 1999 David Edelsohn <edelsohn@mhpcc.edu>
1232 * rs6000.c (print_operand, cases 'm' and 'M'): Do not depend on
1233 HOST_WIDE_INT word-size.
1234 (rs6000_stack_info): Remove redundant alignment of fpmem.
1236 Tue Jan 12 14:05:37 1999 Richard Henderson <rth@cygnus.com>
1238 * rs6000.c (short_cint_operand): Remove CONSTANT_P_RTX handling.
1239 (u_short_cint_operand, reg_or_cint_operand, logical_operand): Likewise.
1240 (input_operand): Adjust CONSTANT_P_RTX handling.
1241 * rs6000.h (PREDICATE_CODES): Remove CONSTANT_P_RTX references.
1242 * rs6000.md (movsi): Adjust CONSTANT_P_RTX handling.
1243 (movhi, movqi): Remove CONSANT_P_RTX handling.
1244 (movdi): Adjust CONSTANT_P_RTX handling.
1246 Tue Jan 12 10:23:24 1999 Stan Cox <scox@cygnus.com>
1248 * mips.md (call_value_internal3c): New pattern for -mips16 -mlong-calls.
1250 1999-01-12 Manfred Hollstein <manfred@s-direktnet.de>
1252 * m68k/mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
1253 ensure all prototypes necessary for building libio will be available.
1254 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Remove
1255 definitions here as they are not host specific.
1256 * m88k/sysv3.h, m88k/xm-sysv3.h: Likewise.
1258 Tue Jan 12 02:53:46 1999 Richard Henderson <rth@cygnus.com>
1260 * cse.c (cse_insn): Never prefer (const (constant_p_rtx)).
1262 Tue Jan 12 02:36:10 PST 1999 Jeff Law (law@cygnus.com)
1264 * version.c: Bump for snapshot.
1266 Tue Jan 12 01:30:19 1999 Richard Henderson <rth@cygnus.com>
1268 * rtl.c (rtx_alloc): Use memset instead of inline loop.
1270 * recog.h (recog_op_alt): Declare extern.
1272 Tue Jan 12 00:23:31 1999 Richard Henderson <rth@cygnus.com>
1274 * function.c (purge_addressof_1): If the note accesses a mem+addressof
1275 in a wider mode than any replacement, adjust the cached replacement.
1276 Cache trivial substitutions as well.
1278 Tue Jan 12 00:06:00 1999 Richard Henderson <rth@cygnus.com>
1280 * Makefile.in (OBJECTS): Add sbitmap.o.
1281 (BASIC_BLOCK_H): Add sbitmap.h.
1282 * basic-block.h: Move simple bitmap code to sbitmap.h.
1283 * flow.c: Move simple bitmap code to sbitmap.c
1284 * sbitmap.h, sbitmap.c: New files.
1286 Mon Jan 11 23:51:50 1999 Richard Henderson <rth@cygnus.com>
1288 * alpha.h (TARGET_SWITCHES): Document switches.
1289 (TARGET_OPTIONS): Likewise.
1291 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Use HOST_WIDE_INT_PRINT_DEC.
1293 Mon Jan 11 22:54:14 1999 Richard Henderson <rth@cygnus.com>
1295 * tree.c (new_alias_set): Return zero if !flag_strict_aliasing.
1297 Mon Jan 11 22:36:01 1999 Richard Henderson <rth@cygnus.com>
1299 * basic-block.h (basic_block_head): Rename to x_basic_block_head.
1300 (basic_block_end): Rename to x_basic_block_end.
1301 (BLOCK_HEAD, BLOCK_END): Update.
1303 * caller-save.c: Change basic_block_head/end references to
1305 * combine.c, flow.c, function.c, gcse.c, global.c: Likewise.
1306 * graph.c, haifa-sched.c, local-alloc.c, regclass.c: Likewise.
1307 * regmove.c, reload1.c, reorg.c, sched.c: Likewise.
1309 Sat Jan 9 23:54:09 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1311 * gcc.c (xstrerror): Renamed from my_strerror. All callers
1312 changed. Remove prototype since we get that from libiberty.h.
1314 * protoize.c (xstrerror): Likewise.
1316 Sat Jan 9 23:22:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1318 * gcc.c (read_specs): Ensure format specifiers match their arguments.
1320 Sat Jan 9 20:04:24 1999 Richard Henderson <rth@cygnus.com>
1322 * tree.c (copy_node): Oops. That would be copy not zero
1323 in that last change.
1325 Sun Jan 10 15:35:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1327 * config/c4x/c4x.c: Include system.h.
1328 (c4x_caller_save_map): Disable caller save for RC.
1329 (c4x_optimization_options): Disable scheduling before reload.
1330 (valid_parallel_load_store) : Define return type as int.
1331 Remove unused variable regs.
1332 * config/c4x/c4x.h (REGISTER_MOVE_COST): Make independent of register
1334 * config/c4x/c4x.md (rotlqi3, rotrqi3): Fix up emitted RTL to
1336 (*db, decrement_and_branch_until_zero): Fix up constraints
1337 to keep reload happy.
1339 Sat Jan 9 18:35:29 1999 Richard Henderson <rth@cygnus.com>
1341 * tree.c (make_node): Call bzero instead of inline clear.
1342 (copy_node, make_tree_vec, build1): Likewise.
1343 (get_identifier): Call strlen instead of inline count.
1344 (maybe_get_identifier): Likewise.
1346 Sun Jan 10 14:04:51 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1348 * config/c4x/c4x.md: (in_annul_slot_3): Allow unarycc and binarycc
1349 operations in 3rd annulled delay slot.
1350 (*lshrqi3_const_set): Disallow c constraint for operand0.
1351 (modhi3+1, modhi3+2): Set attribute type to multi.
1352 * config/c4x/c4x.c (c4x_S_constraint): Removed space in middle of
1355 Sat Jan 9 11:44:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1357 * gansidecl.h: Allow attribute unused on labels only when we are
1358 version 2.93 or higher. Not all versions of 2.92 have this feature.
1360 * version.c: Bump minor number to 93.
1362 Fri Jan 8 10:51:13 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1364 * config/m68k/m68k.h: Declare output_function_epilogue.
1365 * recog.h: Declare next_insn_tests_no_inequality.
1367 Fri Jan 8 01:43:53 1999 Jeffrey A Law (law@cygnus.com)
1369 * stmt.c (optimize_tail_recursion): New function, extracted from ...
1370 (expand_return): Use optimize_tail_recursion.
1371 * tree.h (optimize_tail_recursion): Declare.
1373 * toplev.c (compile_file): Move call to output_func_start_profiler
1374 to after the loop to emit deferred functions.
1376 Thu Jan 7 19:52:53 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1378 * system.h (abort): Supply more detailed information on how to
1379 report an Internal Compiler Error.
1381 Thu Jan 7 11:26:17 1999 Mark Mitchell <mark@markmitchell.com>
1383 * calls.c (store_unaligned_arguments_into_pseudos): Use xmalloc to
1384 allocate memory that will live beyond this function.
1385 (expand_call): Free it here.
1387 Thu Jan 7 03:08:17 1999 Richard Henderson <rth@cygnus.com>
1389 * sparc.h (PREFERRED_RELOAD_CLASS): Select GENERAL_REGS for
1390 integer data not destined for fp regs.
1391 (LEGITIMIZE_RELOAD_ADDRESS): New.
1393 Thu Jan 7 03:03:42 1999 Stan Cox <scox@cygnus.com>
1394 Richard Henderson <rth@cygnus.com>
1396 Support for Hypersparc and Sparclite86x:
1397 * sparc.h (TARGET_CPU_hypersparc, TARGET_CPU_sparclite86x): New.
1398 (CPP_CPU32_DEFAULT_SPEC): Fix up for the new targets.
1399 (ASM_CPU32_DEFAULT_SPEC): Likewise.
1400 (TARGET_CPU_DEFAULT): Likewise.
1401 (enum processor_type): Likewise.
1402 (CPP_ENDIAN_SPEC): Handle little endian data.
1403 (LIBGCC2_WORDS_BIG_ENDIAN): Likewise.
1404 (ADJUST_COST): Call sparc_adjust_cost.
1405 * sparc.c (sparc_override_options): Fix up for the new targets.
1406 (supersparc_adjust_cost): Make static.
1407 (hypersparc_adjust_cost): New.
1408 (ultrasparc_adjust_cost): Make static.
1409 (sparc_adjust_cost): New.
1410 * sparc.md (attr cpu): Add hypersparc and sparclite86x.
1411 (function_unit): Add hypersparc scheduling rules.
1413 * configure.in (with_cpu handler): Recognize hypersparc.
1415 Thu Jan 7 23:54:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1417 * config/c4x/c4x.c: Added space after negation operator.
1418 * config/c4x/c4x.h: Likewise.
1419 * config/c4x/c4x.md: Likewise.
1421 Thu Jan 7 23:39:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1423 * config/c4x/c4x.c (c4x_preferred_reload_class): Always return class.
1425 Thu Jan 7 00:29:25 199 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1427 * combine.c (num_sign_bit_copies): In NEG, MULT, DIV and MOD cases,
1428 when a test can't be performed due to limited width of
1429 HOST_BITS_PER_WIDE_INT, use the more conservative approximation.
1430 Fix UDIV case for cases where the first operand has the highest bit
1433 Thu Jan 7 00:01:38 1999 Lutz Vieweg <lkv@mania.robin.de>
1435 * pa.h (reg_class): Add FPUPPER_REGS.
1436 (REG_CLASS_NAMES): Similarly.
1437 (REG_CLASS_CONTENTS): Similarly
1438 (REGNO_REG_CLASS): Handle FPUPPER_REGS.
1439 (FP_REG_CLASS_P): Likewise.
1440 (REG_CLASS_FROM_LETTER): Similarly.
1441 (CLASS_MAX_NREGS): Similarly.
1443 1999-01-06 Brendan Kehoe <brendan@cygnus.com>
1445 * fixincludes: For HP/UX 10.20, also look in curses_colr/curses.h
1446 for a typedef of bool. Make sure to have a copy of the file is
1447 in place before we look to fix it. Fix typo in variable name to
1450 Wed Jan 6 07:51:05 1999 Richard Henderson <rth@cygnus.com>
1452 * expr.c (expand_builtin) [case BUILT_IN_CONSTANT_P]: Use
1453 value_mode for the return mode.
1455 Wed Jan 6 17:55:19 1999 Robert Lipe <robertlipe@usa.net>
1457 * configure.in: New flag --with-dwarf2. If set, enables DWARF-2
1458 debugging as default.
1460 * config/tm-dwarf2.h: New file.
1462 Wed Jan 6 16:08:54 1999 Jeffrey A Law (law@cygnus.com)
1464 * h8300.h (ASM_OUTPUT_LABELREF): Define.
1466 * pa.h (DONT_RECORD_EQUIVALENCE): Kill.
1467 * local-alloc.c (update_equiv_regs): Corresponding changes.
1468 * tm.texi (DONT_RECORD_EQUIVALENCE): Kill.
1470 * calls.c (special_function_p): Push alloca test inside the large
1471 conditional which excludes functions not at file scope or not
1474 * calls.c (special_function_p): New function broken out of
1476 (precompute_register_parameters): Likewise.
1477 (store_one_arg): Likewise.
1478 (store_unaligned_argumetns_into_pseudos): Likewise.
1479 (save_fixed_argument_area): Likewise.
1480 (restore_fixed_argument_area): Likewise.
1481 (expand_call): Corresponding changes.
1483 Wed Jan 6 10:43:29 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1485 * config/m68k/m68k.c (const_uint32_operand): Remove CONSTANT_P_RTX
1487 (const_sint32_operand): Likewise.
1489 Wed Jan 6 09:44:51 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1491 * toplev.h: In addition to checking _JBLEN, also check if `setjmp'
1492 is a macro when deciding if we can use `jmp_buf' in prototypes.
1494 Thu Jan 7 00:12:24 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1496 * config/c4x/c4x.md (addqi3): If the destination operand is
1497 a hard register other than an extended precision register,
1498 emit addqi3_noclobber.
1499 (*addqi3_noclobber_reload): New pattern added so that reload
1500 will recognise a store of a pseudo, equivalent to the sum
1501 of the frame pointer and a constant, as an add insn.
1503 Wed Jan 6 03:18:53 1999 Mark Elbrecht <snowball3@usa.net.
1505 * configure.in (pc-msdosdjgpp): Set x_make to x-go32.
1506 * configure: Rebuilt.
1507 * i386/xm-go32.h: Define LIBSTDCXX.
1509 * i386/go32.h (MD_EXEC_PREFIX): Define.
1510 (FILE_NAME_ABSOLUTE_P): Define.
1511 (LINK_COMMAND_SPEC): Define.
1513 Wed Jan 6 02:23:36 1999 "Charles M. Hannum" <root@ihack.net>
1515 * expr.c (store_expr): If the lhs is a memory location pointed
1516 to be a postincremented (or postdecremented) pointer, always
1517 force the rhs to be evaluated into a pseudo.
1519 Wed Jan 6 00:54:21 1999 Geoff Keating <geoffk@ozemail.com.au>
1521 * real.c (mtherr): Print more reasonable warning messages.
1523 Tue Jan 5 21:57:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1525 * Makefile.in (gcc.o, prefix.o, cccp.o, cpplib.o): Depend on prefix.h.
1527 * cccp.c: Include prefix.h, don't prototype prefix.c functions.
1528 (new_include_prefix): Constify char* parameters.
1530 * cppfiles.c (read_name_map): Likewise.
1531 (append_include_chain): Likewise. Also, use a writable char* copy
1532 of parameter `dir' which we then modify, rather than using the
1533 parameter itself to store the new writable string.
1534 (remap_filename): Constify some variables. Also, use a writable
1535 char* to store an allocated string which we will be modifying.
1537 * cpplib.c: Include prefix.h, don't prototype prefix.c functions.
1538 (cpp_start_read): Constify variable `str'.
1540 * cpplib.h (append_include_chain): Constify a char* parameter.
1542 * gcc.c Include prefix.h, don't prototype prefix.c functions.
1543 (add_prefix, save_string): Constify char* parameters.
1544 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
1546 * prefix.c: Include prefix.h.
1547 (get_key_value, translate_name, save_string, update_path,
1548 set_std_prefix): Constify various char* parameters and variables.
1549 (save_string): Use xmalloc, not malloc.
1550 (translate_name): Use a writable temporary variable to create and
1551 modify a string before setting it to a const char*.
1553 * prefix.h: New file to prototype functions exported from prefix.c.
1555 Mon Jan 4 15:37:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
1557 * cpplib.c (skip_if_group): Split out the logic that handles
1558 directive recognition to its own function. Don't use
1559 parse markers; use a bare pointer into the buffer. Use
1560 copy/skip_rest_of_line instead of doing it by hand. Remove
1561 `return on any directive' mode which was never used, and take
1563 (consider_directive_while_skipping): New function, subroutine
1564 of skip_if_group. Logic streamlined a bit.
1565 (conditional_skip, do_elif, do_else): Call skip_if_group with
1568 Mon Jan 4 15:27:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
1570 * cpplib.c (do_undef): EOF immediately after '#undef FOO' is not an
1573 Mon Jan 4 11:55:51 1999 Jason Merrill <jason@yorick.cygnus.com>
1575 * extend.texi (Bound member functions): Document.
1577 Mon Jan 4 11:01:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1579 * mips-tdump.c (st_to_string, sc_to_string, glevel_to_string,
1580 lang_to_string, type_to_string): Make return type const char*.
1581 (print_symbol): Apply `const' keyword to a char*.
1582 (print_file_desc): Cast structure member `crfd' to ulong when
1583 comparing against one.
1585 * mips-tfile.c (pfatal_with_name): Apply `const' keyword to char*.
1586 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
1587 (progname, input_name): Apply `const' keyword to a char*.
1588 Don't redundantly include sys/stat.h.
1589 (alloc_info): Apply `const' keyword to a char*.
1590 (st_to_string, sc_to_string): Likewise.
1591 (hash_string): Cast variable `hash_string' to a symint_t when
1592 comparing against one.
1593 (add_string): Cast PAGE_USIZE to Ptrdiff_t when comparing against one.
1594 Likewise cast it to long when comparing against one.
1595 (add_local_symbol): Apply `const' keyword to a char*.
1596 (add_ext_symbol): Likewise.
1597 (add_unknown_tag): Likewise.
1598 (add_procedure): Cast a printf-style field width to an int.
1599 (add_file): Cast PAGE_USIZE to long when comparing against one
1600 (parse_begin): Cast a printf-style field width to an int.
1601 (parse_bend): Likewise.
1602 (parse_def): Likewise.
1603 (parse_end): Likewise.
1604 (mark_stabs): Mark parameter `start' with ATTRIBUTE_UNUSED.
1605 (parse_stabs_common): Fix format specifier.
1606 (parse_input): Change type of variable `i' to Size_t.
1607 (write_object): Fix arguments to match format specifiers.
1608 Cast variable `num_write' to long when comparing against one.
1609 (read_seek): Cast variable `sys_read' to symint_t when comparing
1610 against one. Fix arguments to match format specifiers. Cast
1611 variable `size' to long when comparing against one.
1612 (copy_object): Cast result of `sizeof' to int when comparing
1613 against one. Fix arguments to match format specifiers. Cast
1614 variable `ifd' to long when comparing against a signed value.
1617 Mon Jan 4 10:30:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1619 * c-common.c (decl_attributes): Allow applying attribute `unused'
1622 * c-parse.in (label): Parse attributes after a label, and call
1623 `decl_attributes' to handle them.
1625 * gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
1627 * genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
1628 generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
1630 * invoke.texi: Note that labels can be marked `unused'.
1632 Sun Jan 3 23:32:18 PST 1999 Jeff Law (law@cygnus.com)
1634 * version.c: Bump for snapshot.
1636 Sun Jan 3 23:00:42 1999 Jeffrey A Law (law@cygnus.com)
1638 * optabs.c (emit_cmp_and_jump_insns): Use CONSTANT_P canonicalizing
1639 RTL for a compare/jump sequence.
1641 Sun Jan 3 22:58:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1643 * optabs.c (emit_cmp_insn): Abort if asked to emit non-canonical RTL
1644 for a target with HAVE_cc0 defined.
1645 (emit_cmp_and_jump_insns): New function.
1646 * expr.h (emit_cmp_and_jump_insns): Prototype it.
1647 * loop.c (check_dbra_loop): Use it to replace calls
1648 to emit_cmp_insn and emit_jump_insn and to canonicalise
1649 the comparison if necessary.
1650 * unroll.c (unroll_loop): Likewise.
1652 Sun Jan 3 21:01:04 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1654 * fixincludes (sys/utsname.h): Provide forward declaration of
1655 struct utsname on Ultrix V4.[35].
1657 * mips.md (div_trap): Use local labels instead of dot-relative
1660 Sun Jan 3 20:40:34 1999 Jeffrey A Law (law@cygnus.com)
1662 * pa.md (branch, negated branch): Handle (const_int 0) as first
1664 * pa.c (output_cbranch): Likewise.
1666 Sun Jan 3 03:20:38 1999 David Edelsohn <edelsohn@mhpcc.edu>
1668 * rs6000.c (rs6000_stack_info): Undo spurious part of last
1671 1999-01-01 Manfred Hollstein <manfred@s-direktnet.de>
1673 * extend.texi (__builtin_constant_p): Add missing @smallexample.
1675 Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com)
1677 * i386.md (doubleword shifts): Fix dumb mistakes in previous change.
1679 Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com)
1681 * m68k.md (adddi_dilshr32): Allow all operands to be registers too.
1682 (adddi_dishl32): Similarly.
1684 * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers
1685 for each insn in the skipped block.
1687 * reload1.c (reload_as_needed): Verify that the insn satisfies its
1688 constraints after replacing a register address with an autoincrement
1689 address for reload inheritance purposes.
1691 * i386.md (doubleword shifts): Avoid namespace pollution.
1693 Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com>
1695 * configure.in (FreeBSD ELF): Needs special crt files.
1697 Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com>
1699 * i386/xm-cygwin.h: change DIR_SEPARATOR to forward slash.
1701 1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1703 * loop.c (check_dbra_loop): While reversing the loop, if the
1704 comparison value has a VOID mode use the mode of the other operand
1705 to compute the mask.
1707 Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com>
1709 * rs6000.md ({save,restore}_stack_function): Take 2 operands to
1710 avoid warnings in compiling explow.c.
1712 (patch from Ken Raeburn, raeburn@cygnus.com)
1713 * rs6000.c (rs6000_stack_info): Force 8-byte alignment of
1714 fpmem_offset. Compute total size after that, and then
1715 rs6000_fpmem_offset using both values.
1717 Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1719 * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
1720 the future; indeed that already happens in some cases.
1722 Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com>
1724 * sparc.c (input_operand): Recognize (const (constant_p_rtx)).
1725 (arith_operand): Remove constant_p_rtx handling.
1726 (const64_operand, const64_high_operand): Likewise.
1727 (arith11_operand, arith10_operand, arith_double_operand): Likewise.
1728 (arith11_double_operand, arith10_double_operand, small_int): Likewise.
1729 (small_int_or_double, uns_small_int, zero_operand): Likewise.
1730 * sparc.h (PREDICATE_CODES): Likewise.
1732 * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX.
1734 Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>:
1736 * rtl.def (CONSTANT_P_RTX): Clarify commentary.
1737 * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
1738 consider constant CONSTRUCTOR constant and to defer some cases
1740 * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
1741 * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
1743 Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com>
1745 * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
1746 * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
1748 * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling.
1749 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
1750 (sext_add_operand, and_operand, or_operand): Likewise.
1751 (reg_or_cint_operand, some_operand, input_operand): Likewise.
1752 * alpha.h (PREDICATE_CODES): Likewise.
1754 Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com)
1756 * version.c: Bump for snapshot.
1758 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
1760 * gengenrtl.c (gencode): Always use bzero to clear memory instead
1761 of dangerous casts and stores.
1763 * Makefile.in (compare, gnucompare): Add missing else true clauses.
1765 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
1767 * alpha.md (builtin_longjmp): Add missing "DONE".
1769 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
1771 * gcc.c (execute): Enable -pipe with win32.
1773 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
1775 * config/arm/t-arm-elf: Add multiplib option for leading
1778 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
1779 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
1781 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
1782 than variable 'reload_address_base_reg_class'. [Note this
1783 change is unrelated to the others in this patch].
1785 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
1788 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1790 * alias.c (record_alias_subset): Remove ignored `&'.
1791 (init_alias_once): Likewise.
1793 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
1795 * config/mips/mips.c (mips_asm_file_end): Cast the result of
1796 fwrite to `int' when comparing against one.
1798 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
1799 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
1801 * cse.c (rehash_using_reg): Change type of variable `i' to
1804 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
1805 assigning it to one.
1807 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
1809 * final.c (final_scan_insn): Likewise for variable `i'.
1810 (output_asm_insn): Cast a char to unsigned char when used as an
1813 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
1814 assigning it to one.
1816 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
1818 * recog.c (preprocess_constraints): Cast a char to unsigned char
1819 when used as an array index.
1821 * regmove.c (find_matches): Likewise.
1823 * reload1.c (calculate_needs): Add default case in switch.
1824 (eliminate_regs_in_insn): Initialize variable `offset'.
1825 (set_offsets_for_label): Change type of variable `i' to unsigned.
1826 (reload_as_needed): Wrap variable `i' in macro check on
1827 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
1829 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
1830 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
1831 when comparing against one.
1833 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
1834 unsigned when comparing against one. Likewise for
1835 GET_MODE_ALIGNMENT().
1836 (layout_record): Cast record_align to int when comparing against a
1838 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
1841 * tree.c (get_identifier): Cast variable `len' to unsigned when
1842 comparing against one.
1843 (maybe_get_identifier): Likewise
1845 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
1847 * toplev.c (rest_of_compilation): Do not set reload_completed.
1848 * reload1.c (reload): Set reload_completed before calling
1849 cleanup_subreg_operands.
1851 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
1853 * reload1.c (emit_reload_insns): Check `set' not null before use.
1855 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
1857 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
1860 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1862 * halfpic.c (half_pic_encode): Delete redundant code.
1864 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
1866 * toplev.c (main): Delete handling of -dM as a preprocessor
1869 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
1871 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
1872 -dI, which are handled by the preprocessor.
1874 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
1876 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
1877 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
1879 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
1881 * version.c: Bump for snapshot.
1883 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
1885 * version.c: Bump for snapshot.
1887 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
1889 * version.c: Bump for snapshot.
1891 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1893 * genattr.c (fatal): Qualify a char* with the `const' keyword.
1895 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
1896 write_unit_name, write_eligible_delay, expand_units,
1897 make_length_attrs, write_attr_case, find_attr,
1898 make_internal_attr): Likewise.
1899 * gencheck.c (tree_codes): Likewise.
1900 * gencodes.c (fatal): Likewise.
1901 * genconfig.c (fatal): Likewise.
1902 * genemit.c (fatal): Likewise.
1903 * genextract.c (fatal, walk_rtx, copystr): Likewise.
1904 * genflags.c (fatal): Likewise.
1905 * genopinit.c (fatal, optabs, gen_insn): Likewise.
1906 * genoutput.c (fatal, error, predicates): Likewise.
1907 * genpeep.c (fatal): Likewise.
1908 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
1909 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
1911 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1913 * configure.in (with-fast-fixincludes): Fix whitespace.
1914 * configure: Rebuilt.
1916 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
1917 asm() etc. function declarations in __DECC.
1919 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
1921 * expr.c (emit_move_insn_1): Only emit a clobber if the target
1922 is a pseudo register.
1924 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
1926 * gcse.c: Include expr.h in order to get the prototype for
1927 get_condition() which is used in delete_null_pointer_checks().
1929 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1931 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
1933 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
1935 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
1936 (ALL_CFLAGS): Delete SCHED_CFLAGS.
1938 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
1940 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
1943 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
1945 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
1946 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
1947 optimizations from the combiner.
1949 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1951 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
1953 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
1955 * toplev.c (main): Disable optimize_size if a specific
1956 optimization level is requested. Always set optimization
1957 level to 2 if -Os is specified.
1959 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
1961 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
1963 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
1964 initialize it using fname.
1966 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
1968 * cpplib.c (do_include): Treat #include_next in the
1969 primary source file as #include plus warning. Treat
1970 #include_next in a file included by absolute path as an
1971 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
1973 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1975 * cccp.c: Don't define MIN/MAX anymore.
1976 * cpplib.c: Likewise.
1977 * machmode.h: Likewise.
1978 * system.h: Provide definitions for MIN/MAX.
1980 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1982 * fix-header.c: Don't define xstrdup here.
1984 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1986 * loop.c (consec_sets_giv): New argument last_consec_insn.
1987 (strength_reduce): Provide / use it.
1989 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1991 * loop.h (loop_info): New field 'vtop'.
1992 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
1993 scanning loop for vtop.
1994 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
1995 (loop_iterations): Use them to determine if loop has a constant
1996 number of iterations. Set loop_info->vtop. Don't subtract
1997 common reg term from initial_value and final_value if have a
2000 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
2002 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
2004 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
2006 * mn10200.md (abssf2, negsf2): New expanders.
2008 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
2010 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
2012 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
2013 replaced by a CONCAT whoes components do not have the same
2014 mode as the original SUBREG, use a new SUBREG to restore the
2017 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
2018 multiword complex values.
2020 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
2022 * cppalloc.c: Add xstrdup here.
2023 * cpplib.h: Remove savestring prototype.
2024 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
2026 * cppfiles.c: s/savestring/xstrdup/ throughout.
2028 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
2030 * cpplib.c: Make all directive handlers read their own
2032 (struct directive): Remove last two arguments from FUNC
2033 member prototype. Remove `command_reads_line' member
2035 (directive_table): Remove initializations of
2036 command_reads_line flag. Pretty-print.
2037 (eval_if_expression, do_define, do_line, do_include,
2038 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
2039 do_else, do_elif, do_sccs, do_assert, do_unassert,
2040 do_warning): Take only two args.
2042 (cpp_define): Call do_define with two args and the text to
2043 define stuffed into a buffer.
2044 (make_assertion): Call do_assert with two args.
2045 (handle_directive): Call do_line with two args. Call
2046 kt->func with two args. Remove command_reads_line
2048 (do_define, do_undef, do_error, do_warning, do_pragma,
2049 do_sccs): Read the rest of the line here.
2050 (do_ident): Gobble rest of line, as cccp does.
2051 (cpp_undef): New function.
2052 (cpp_start_read): Call cpp_undef instead of do_undef.
2054 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
2056 * cpphash.h (union hash_value): Remove `keydef' member, add a
2057 `struct hashnode *aschain' member for #assert.
2059 * cpplib.c (struct tokenlist_list, struct
2060 assertion_hashnode): Delete structure definitions.
2061 (assertion_install, assertion_lookup, delete_assertion,
2062 check_assertion, compare_token_lists, reverse_token_list,
2063 read_token_list, free_token_list): Delete functions.
2064 (parse_assertion): New function.
2065 (cpp_cleanup): Don't destroy the assertion_hashtable.
2067 (do_assert): Gut and rewrite. #assert foo (bar) places
2068 entries for `#foo' and `#foo(bar)' in the macro hash table,
2069 type T_ASSERT. The value union's `aschain' member is used
2070 to chain all answers for a given predicate together.
2071 (do_unassert): Also rewritten. Take an un-asserted
2072 answer off the chain from its predicate and call
2073 delete_macro on the hashnode, or walk a predicate chain
2074 calling delete_macro on all the entries.
2075 (cpp_read_check_assertion): Simply call parse_assertion to
2076 get the canonical assertion name, and look that up in the
2079 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
2082 * cpphash.c (install): Use bcopy instead of an explicit loop
2083 to copy the macro name.
2085 * cppexp.c (cpp_lex): Convert the result of
2086 cpp_read_check_assertion to a `struct operation' directly;
2087 don't go through parse_number.
2089 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2091 * loop.h (struct induction): Delete times_used member.
2092 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
2093 (n_times_used): Rename to n_times_set. Changed all users.
2094 (scan_loop): Free reg_single_usage before strength reduction.
2095 (record_giv, combine_givs): Remove handling of times_used member.
2096 (combine_givs_used_once): Rename to:
2097 (combine_givs_used_by_other) . Changed all callers.
2099 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
2101 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
2102 instead of TREE_CODE_CLASS == 't'.
2103 (gen_type_die): Likewise.
2104 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
2106 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
2108 * real.c (endian): Disable last change unless
2109 HOST_BITS_PER_WIDE_INT is greater than 32.
2111 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2113 * output.h (force_data_section): New prototype.
2114 * varasm.c (force_data_section): New function to force the
2115 data section, regardless of what in_section thinks.
2116 * dwarf2out.c (output_call_frame_info): Call force_data_section
2117 since varasm may not realize we've changes sections.
2119 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
2121 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
2122 after completeing reload.
2124 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
2125 deleted after reload.
2127 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
2129 * rtl.h (multiple_sets): Fix prototype.
2130 * rtlanal.c (multiple_sets): Fix return type.
2132 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
2134 * version.c: Bump for snapshot.
2136 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
2138 * version.c: Bump for snapshot.
2140 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
2142 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
2144 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2146 * rtl.h (recompute_reg_usage): Add second argument.
2147 * flow.c (recompute_reg_usage): Likewise.
2148 * toplev.c (rest_of_compilation): Supply second argument to
2149 recompute_reg_usage.
2151 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
2154 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
2156 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
2157 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
2158 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
2161 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
2163 * rtlanal.c (multiple_sets): New function.
2164 * rtl.h (multiple_sets): Declare it.
2165 * local-alloc.c (wipe_dead_reg): Use it.
2166 * global.c (global_conflicts): Likewise.
2168 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
2170 * global.c (record_conflicts): Don't use an array of shorts to
2171 store an array of ints.
2172 (global_conflicts): Likewise.
2174 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
2176 * alpha.c (alpha_expand_block_move): mode_for_size expects
2177 bits, not bytes. Infer extra alignment from addressof.
2179 1998-12-11 Michael Meissner <meissner@cygnus.com>
2181 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
2182 .sbss section, not .sdata.
2184 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
2186 * cccp.c: Do not #include <sys/stat.h> here; this is already done
2188 * collect2.c: Likewise.
2189 * cpplib.h: Likewise.
2192 * getpwd.c: Likewise.
2193 * protoize.c: Likewise.
2194 * toplev.c: Likewise.
2196 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
2197 and don't try to define it here.
2198 * Makefile.in (cppmain.o): Depend on machmode.h.
2199 (cpplib.o): Likewise.
2200 (cpperror.o): Likewise.
2201 (cppexp.o): Likewise.
2202 (cppfiles.o): Likewise.
2203 (cpphash.o): Likewise.
2204 (cppalloc.o): Likewise.
2205 (fix-header.o): Likewise.
2206 (scan-decls.o): Likewise.
2208 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
2210 * sh.c (print_operand): lookup interrupt_handler attribute instead
2211 of relying on static variable.
2212 * (calc_live_regs): Likewise.
2213 * (sh_pragma_insert_attributes): Create interrupt_handler
2214 attribute if a pragma was specified
2215 * (sh_valid_machine_decl_attribute): Don't set static flag.
2216 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
2218 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2220 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
2221 to determine if a register is live at a jump destination.
2222 Everything is dead at a BARRIER.
2224 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
2226 * cse.c (simplify_unary_operation): Sign-extend constants when
2227 they have the most significant bit set for the target.
2228 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
2230 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
2231 HOST_WIDE_INT temporary before negating it.
2232 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
2234 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
2236 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
2239 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2241 * collect2.h: New header file for prototypes.
2243 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
2245 * collect2.c: Include collect2.h.
2246 * tlink.c: Likewise.
2248 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
2250 * flow.c: Update some comments.
2252 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
2254 * objc/objc-act.c (cpp_initialized): Removed.
2255 (lang_init_options): Initialize cpplib.
2256 (lang_decode_option): Move initialization of cpplib to
2258 * c-lang.c: (parse_options,parse_in): Added.
2259 (lang_init_options): Initialized cpplib here.
2260 * c-decl.c (parse_options,cpp_initialized): Removed.
2261 (c_decode_option): Move initialization of cpplib to
2264 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2266 * reload1.c (reload_combine, reload_combine_note_store):
2267 Make STORE_RUID always valid.
2268 (reload_combine): Check if BASE is clobbered too early.
2270 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
2272 * reload.c (find_reloads): Display the insn that cannot be
2275 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
2277 * cccp.c (create_definition): Fix end of bufer logic.
2279 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2281 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
2282 pointer parameters changed to use the PARAMS() macro.
2284 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2286 * except.h (struct handler_info): Add handler_number field.
2287 * except.c (gen_exception_label): EH labels no longer need to be
2288 on the permanent obstack.
2289 (get_new_handler): Set the label number field.
2290 (output_exception_table_entry): Regenerate handler label reference
2291 from the label number field.
2292 (init_eh): Remove a blank line.
2293 * integrate.c (get_label_from_map): Labels no longer need to be
2294 on the permanent obstack.
2296 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
2298 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
2299 only when OUTER_CODE is SET.
2301 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2303 * loop.c (strength_reduce): If scan_start points to the loop exit
2304 test, be wary of subversive use of gotos inside expression statements.
2305 Don't set maybe_multiple for a backward jump that does not
2306 include the label under consideration into its range.
2307 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
2309 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2311 * explow.c (plus_constant_wide): Don't immediately return with
2312 result of recursive call.
2314 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2316 * eh-common.h (struct eh_context): Add table_index for rethrows.
2318 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
2319 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
2320 processed when inlined or unrolled (ie duplicated in some way).
2322 * rtl.c (reg_note_name): Add strings for new reg_note enums.
2324 * expr.h (rethrow_libfunc): New library decl.
2326 * optabs.c (rethrow_libfunc): Initialize.
2328 * except.h (struct eh_entry): Add new field 'rethrow_label'.
2329 (new_eh_region_entry): No longer exported from except.c.
2330 (duplicate_handlers): Renamed to duplicate_eh_handlers and
2331 different prototype.
2332 (rethrow_symbol_map, rethrow_used): New exported functions.
2333 (eh_region_from_symbol): New exported function.
2335 * except.c (create_rethrow_ref): New function to create a single
2336 SYMBOL_REF for a rethrow region.
2337 (push_eh_entry): Initialize a rethrow ref.
2338 (func_eh_entry): Add a rethrow_label field.
2339 (new_eh_region_entry): Make static, and initialize the rethrow entry.
2340 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
2341 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
2342 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
2343 a region into an appropriate new symbol.
2344 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
2345 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
2346 (end_catch_handler): Emit a barrier for new-exceptions since
2347 control can never drop through the end of a catch block.
2348 (expand_end_all_catch): new-exceptions never fall through a catch
2350 (expand_rethrow): use __rethrow routine for new exceptions.
2351 (output_exception_table_entry): Generate rethrow labels, if needed.
2352 (output_exception_table): Generate start and end rethrow labels.
2353 (init_eh): Create rethrow symbols for beginning and end of table.
2354 (scan_region): Don't eliminate EH regions which are the targets of
2357 * flow.c (make_edges): Add different edges for rethrow calls,
2358 identified by having the REG_EH_RETHROW reg label.
2359 (delete_unreachable_blocks): Don't delete regions markers which are
2360 the target of a rethrow.
2362 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
2363 allow save_for_inline_copying to call duplicate_eh_handlers.
2364 (save_for_inline_copying): Call duplicate_eh_handlers instead of
2365 exposing internal details of exception regions.
2366 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
2367 (expand_inline_function_eh_labelmap): New callback routine to
2368 allow expand_inline_function to call duplicate_eh_handlers.
2369 (expand_inline_function): Call duplicate_eh_handlers instead of
2370 exposing internal details of exception regions.
2371 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
2374 * libgcc2.c (find_exception_handler): Generalize to enable it to
2375 pick up processing where it left off last time for a rethrow.
2376 (__unwinding_cleanup): New function. debug hook which is called before
2377 unwinding when __throw finds there is nothing but cleanups left.
2378 (throw_helper): Common parts of __throw extracted out for reuse.
2379 (__throw): Common parts moved to throw_helper.
2380 (__rethrow): New function for performing rethrows.
2382 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
2384 * reload1.c (current_function_decl): Tweak declaration.
2386 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
2388 * c-decl.c (flag_isoc9x): Default off.
2389 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
2390 * cccp.c (print_help, main): Likewise.
2391 * gcc.c (default_compilers): Update for -std=gnu*.
2393 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
2395 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
2396 * demangle.h: Deleted.
2398 * reload1.c (current_function_decl): Declare.
2400 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2402 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
2404 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2406 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
2408 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
2410 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
2412 * configure: Rebuilt.
2413 * system.h: If the *_unlocked functions are available use them
2414 instead of the locked counterparts by defining macros.
2415 * config.in: Regenerated.
2417 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
2419 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
2420 wrong and should only be used for dump related things, not
2421 debugging information, instead main_input_filename should be used.
2422 Also, reuse output_file_directive if possible.
2423 * i386/aix386ng.h (ASM_FILE_START): Likewise.
2424 * i386/isc.h (ASM_FILE_START): Likewise.
2425 * i386/win-nt.h (ASM_FILE_START): Likewise.
2426 * i386/sun386.h (ASM_FILE_START): Likewise.
2428 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
2430 * configure.in (mips*-*-linux*): Handle big and little endian
2432 * configure: Rebuilt.
2434 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
2436 * emit-rtl.c: Fix typo.
2438 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
2440 * reload1.c (eliminate_regs): Don't do anything, if we're not
2443 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
2445 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
2447 * mips/mips.c (mips_select_section): Add comment.
2449 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
2451 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
2452 characters in file names in #line to be consistent with #include
2453 handling. We support escape prcessing in the # 1 "..." version of
2454 the command. See also support in cp/lex.c.
2455 (handle_directive): Likewise.
2456 (do_line): Likewise.
2458 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
2460 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
2461 so it'll work on non-ASCII platforms. Always consider $ an
2462 identifier character. Take no arguments.
2463 (cpp_reader_init): Call initialize_char_syntax with no
2465 (cpp_start_read): Don't call initialize_char_syntax again.
2466 Clear is_idchar['$'] and is_idstart['$'] if not
2467 opts->dollars_in_ident.
2469 * cpplib.h (struct cpp_reader): Replace void *data element by
2470 cpp_options *opts. Rearrange elements to make gdb printout
2471 less annoying (put buffer stack at end).
2472 (CPP_OPTIONS): Get rid of now-unnecessary cast.
2474 * cppmain.c: s/data/opts/ when initializing cpp_reader
2476 * c-decl.c: Likewise.
2477 * objc/objc-act.c: Likewise.
2478 * fix-header.c: Likewise.
2480 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
2482 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
2483 with a struct file_name_list pointer.
2484 (struct cpp_reader): Add pointer to chain of `actual
2485 directory' include searchpath entries.
2486 (struct file_name_list): Add *alloc pointer for the sake of
2487 the actual-directory chain.
2489 Move definition of HOST_WIDE_INT here.
2490 (cpp_parse_escape): Change prototype to match changes in
2493 * cppfiles.c (actual_directory): New function.
2494 (finclude): Use it to initialize the buffer's actual_dir
2496 (find_include_file): We don't need to fix up max_include_len
2499 * cpplib.c (do_include): Don't allocate a file_name_list on
2500 the fly for current directory "" includes, use the one that's
2501 been preallocated in pfile->buffer->actual_dir. Hoist out
2502 duplicate code from the search_start selection logic.
2503 (cpp_reader_init): Initialize pfile->actual_dirs.
2505 Remove definition of HOST_WIDE_INT. Change calls
2506 to cpp_parse_escape to match changes in cppexp.c (note
2507 hardcoded MASK, which is safe since this is the source
2510 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
2511 to handle wide character constants in #if directives. The
2512 function now returns a HOST_WIDE_INT, and takes a third
2513 argument which is a binary mask for all legal values (0x00ff
2514 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
2515 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
2516 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
2518 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
2520 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
2522 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2524 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
2525 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
2526 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
2528 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
2530 * final.c (output_asm_name): Use tabs to seperate comments from
2533 Include instruction lengths (if defined) in output.
2535 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2537 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
2538 in the loop_info structure.
2540 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
2542 * configure.in: (arm*-*-ecos-elf): New target.
2543 * configure: Regenerated.
2544 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
2545 * config/arm/ecos-elf.h: New file.
2546 * config/arm/unknown-elf.h (TARGET_VERSION): Check
2549 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2551 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
2553 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
2555 * version.c: Bump for snapshot.
2557 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2559 * loop.c (check_dbra_loop): New argument loop_info. Update fields
2562 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
2564 * version.c: Bump for snapshot.
2566 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2568 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
2569 compressed reports are ok and preferred over URLs
2571 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2573 * invoke.texi (Warning Options): Soften the tone of -pedantic
2575 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
2577 * print-rtl.c (print_rtx): Add prototype.
2579 * unroll.c (iteration_info): Make it static.
2581 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
2583 * alias.c (memrefs_conflict_p): A second ANDed address
2584 disables the aligned address optimization.
2586 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
2588 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
2591 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
2593 * i960.h (BOOL_TYPE_SIZE): Define.
2595 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2597 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
2598 from old valid_parallel_operands_4.
2599 (valid_parallel_operands_4): Check that operands for 4 operand
2600 parallel insns are valid, excluding load/store insns.
2601 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
2602 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
2603 valid_parallel_load_store instead of valid_parallel_operands_4.
2604 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
2605 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
2606 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
2607 *notqi_movqi_clobber): Use valid_parallel_operands_4.
2608 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
2609 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
2610 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
2612 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2614 * config/c4x/c4x.c (iteration_info): Delete extern.
2616 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2618 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
2620 * final.c (cleanup_subreg_operands): Delete some unused code.
2622 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
2623 (struct insn_alternative): New structure definition.
2624 (recog_op_alt): Declare variable.
2625 (preprocess_constraints): Declare function.
2626 * recog.c (recog_op_alt): New variable.
2627 (extract_insn): Verify number of alternatives is in range.
2628 (preprocess_constraints): New function.
2629 * reg-stack.c: Include recog.h.
2630 (constrain_asm_operands): Delete.
2631 (get_asm_operand_lengths): Delete.
2632 (get_asm_operand_n_inputs): New function.
2633 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
2634 N_OUTPUTS args. All callers changed.
2635 Compute number of inputs and outputs here by calling
2636 get_asm_operand_n_inputs.
2637 Instead of constrain_asm_operands, call extract_insn,
2638 constrain_operands and preprocess_constaints. Use information
2639 computed by these functions throughout.
2640 (record_reg_life): Delete code that is unused due to changes in
2641 record_asm_reg_life.
2642 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
2643 N_INPUTS and N_OUTPUTS args. All callers changed.
2644 Similar changes as in record_asm_reg_life.
2645 (subst_stack_regs): Move n_operands declaration into the if statement
2647 Delete code that is unused due to changes in subst_asm_stack_regs.
2648 * stmt.c (expand_asm_operands): Verify number of alternatives is in
2650 * Makefile.in (reg-stack.o): Depend on recog.h.
2652 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
2654 * except.c (set_exception_version_code): Argument is an "int".
2656 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
2658 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
2659 * configure: Rebuilt.
2661 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
2663 * configure.in (mipsel-*-linux*): New target.
2664 * mips/linux.h: New file, based on other Linux targets.
2666 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
2668 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
2669 runs in the context of the deleter, not the deletee, so we must
2670 use taskVarGet to find the correct memory to free.
2671 (__gthread_key_create): Initialize the task
2672 variable subsystem so that the task variable is still active when
2673 the delete hook is run.
2675 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
2677 * pdp11.h: Use optimize_size for space optimizations.
2678 * pdp11.c: Likewise.
2679 * pdp11.md: Likewise.
2681 * pdp11.h (TARGET_40_PLUS): Fix typo.
2683 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
2685 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
2688 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2690 * alias.c (addr_side_effect_eval): New function.
2691 (memrefs_conflict_p): Use it.
2692 * rtl.h (addr_side_effect_eval): Prototype it.
2694 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
2696 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
2698 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
2700 * reload.c (find_reloads): When force const to memory, put result
2701 in substed_operand not *recog_operand_loc.
2703 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
2705 * c-lex.c: Fix indentation from last patch.
2706 Remove trailing whitespace.
2709 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
2711 * flow.c (delete_block): Call set_last_insn after we have reset
2712 NEXT_INSN (kept_tail).
2714 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
2716 * mips.md (trap_if): Use "$0" for the value zero.
2718 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
2719 Stephen L Moshier <moshier@world.std.com>
2720 Richard Henderson <rth@cygnus.com>
2722 * c-common.c (declare_function_name): Declare predefinied variable
2725 * c-decl.c (flag_isoc9x): Set to 1 by default.
2726 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
2727 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
2729 * c-parse.in: Allow constructors in ISO C 9x.
2730 Rewrite designator list handling.
2731 Allow [*] parameters.
2732 Don't warn about comma at end of enum definition for ISO C 9x.
2734 * cccp.c (c9x): New variable.
2735 (rest_extension): New variable.
2736 (print_help): Document new -std= option.
2737 (main): Recognize -std= option. Set c9x appropriately.
2738 (create_definition): Recognize ISO C 9x vararg macros.
2740 * gcc.c (default_compilers): Adjust specs for -std options.
2741 (option_map): Add --std.
2742 (display_help): Document -std.
2744 * toplev.c (documented_lang_options): Add -std and remove
2747 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
2748 or REAL_VALUE_HTOF based on base of the constants.
2749 * fold-const.c (real_hex_to_f): New function. Replacement function
2750 for hex FP conversion if REAL_ARITHMETIC is not defined.
2751 * real.c (asctoeg): Add handling of hex FP constants.
2752 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
2755 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
2757 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
2758 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
2759 expansion. Use hi/lo as destination register.
2761 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
2762 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
2763 Avoid as macro expansion. Use hi/lo as destination register.
2765 * mips.h (MASK_CHECK_RANGE_DIV): New.
2766 (MASK_NO_CHECK_ZERO_DIV): New.
2767 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
2768 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
2769 return address for leaf functions out of r31 to support
2770 builtin_return_address.
2772 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2774 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
2775 NEXT_INSN(x) to check insn x.
2777 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
2779 * flow.c (delete_block): Call set_last_insn if we end up deleting the
2780 last insn in the rtl chain.
2782 * reload1.c (reload): Do not set reload_completed or split insns
2784 * toplev.c (rest_of_compilation): Set reload_completed after
2785 reload returns. Split insns after reload_cse has run.
2787 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
2789 * final.c (final_scan_insn): Abort if block_depth falls below 0.
2791 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
2793 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
2795 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
2797 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
2798 use of user-label_prefix.
2800 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2802 * reload1.c (emit_reload_insns): Clear spill_reg_store
2803 when doing a new non-inherited reload from the same pseudo.
2805 * local-alloc.c (function_invariant_p): New function.
2806 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
2807 to decide if an equivalence should be recorded.
2808 * reload1.c (num_eliminable_invariants): New static variable.
2809 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
2810 to decide if an equivalence should be recorded.
2812 (calculate_needs_all_insns): Skip insns that only set an equivalence.
2813 Take num_eliminable_invariants into account when deciding
2814 if register elimination should be done.
2815 (reload_as_needed): Take num_eliminable_invariants into account
2816 when deciding if register elimination should be done.
2817 (eliminate_regs): Handle non-constant reg_equiv_constant.
2818 * rtl.h (function_invariant_p): Declare.
2820 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
2822 * version.c: Bump for snapshot.
2824 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
2826 * version.c: Bump for snapshot.
2828 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
2830 * except.c (add_new_handler): Complain about additional handlers
2831 after one that catches everything.
2833 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
2835 * configure.in (alpha*-*-netbsd): Fix typo.
2836 * configure: Rebuilt.
2838 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2840 * system.h: Include libiberty.h.
2842 * c-aux-info.c: Remove prototypes for concat/concat3. Change
2843 function `concat' from fixed parameters to variable parameters,
2844 as is done in libiberty. All callers of concat/concat3
2845 changed to use the new `concat' with variable args.
2847 * cccp.c: Remove things made redundant by libiberty.h and/or
2848 conform to libiberty standards.
2850 * collect2.c: Likewise.
2851 * config/1750a/1750a.h: Likewise.
2852 * cppalloc.c: Likewise.
2853 * cppexp.c: Likewise.
2854 * cppfiles.c: Likewise.
2855 * cpphash.c: Likewise.
2856 * cpplib.c: Likewise.
2857 * dyn-string.c: Likewise.
2858 * fix-header.c: Likewise.
2861 * genattr.c: Likewise.
2862 * genattrtab.c: Likewise.
2863 * gencheck.c: Likewise.
2864 * gencodes.c: Likewise.
2865 * genconfig.c: Likewise.
2866 * genemit.c: Likewise.
2867 * genextract.c: Likewise.
2868 * genflags.c: Likewise.
2869 * gengenrtl.c: Likewise.
2870 * genopinit.c: Likewise.
2871 * genoutput.c: Likewise.
2872 * genpeep.c: Likewise.
2873 * genrecog.c: Likewise.
2874 * getpwd.c: Likewise.
2875 * halfpic.c: Likewise.
2877 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
2878 in NEED_DECLARATION_* macros.
2880 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
2881 conform to libiberty standards.
2882 (fatal): Fix const-ification of variable `format' in
2883 !ANSI_PROTOTYPES case.
2885 * prefix.c: Remove things made redundant by libiberty.h and/or
2886 conform to libiberty standards.
2888 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
2889 conflicting with function `spaces' from libiberty.
2891 * profile.c: Remove things made redundant by libiberty.h and/or
2892 conform to libiberty standards.
2893 * protoize.c: Likewise.
2896 * tlink.c: Likewise.
2897 * toplev.c: Likewise.
2898 * toplev.h: Likewise.
2901 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2903 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
2905 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2907 * README.C4X: Updated URLs.
2908 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
2909 (valid_parallel_operands_5): Remove unused variable.
2911 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2913 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
2915 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
2917 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
2918 which can be configured.
2919 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
2920 (Makefile): Pass actual LANGUAGES through the environment when
2922 (cstamp-h): Likewise.
2923 (config.status): Likewise.
2925 * configure.in (enable_languages): Add new configuration parameter
2926 "--enable-languages=lang1,lang2,...".
2927 (${srcdir}/*/config-lang.in): Change handling to configure only
2928 those directories, that the user might have enabled; default to
2929 "all" existing languages.
2930 * configure: Regenerate.
2932 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
2934 * rtlanal.c (regs_set_between_p): New function.
2935 * rtl.h (regs_set_between_p): Prototype it.
2936 * jump.c (jump_optimize): Use it instead of modified_between_p
2937 in the Sep 2 change.
2939 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
2940 Matthias Pfaller <leo@dachau.marco.de>
2942 * invoke.texi (Option Summary, NS32K Options): add description
2943 of NS32K specific options.
2945 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
2946 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
2947 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
2948 negdf2, absdf2): Use l instead of f since the double class and
2949 float class are no longer the same.
2950 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
2951 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
2952 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
2953 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
2955 (cmpsi, cmphi, cmpqi): use general_operand instead of
2956 non_immediate_operand. Removes erroneous assumption that can't
2958 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
2959 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
2961 (movstrsi, movstrsi1, movstrsi2): completely new block move
2963 (...): Patterns to exploit multiply-add instructions.
2964 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
2965 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
2966 patterns to exploit extended divide insns.
2967 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
2970 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
2971 float return values as well as simple scalar floats.
2972 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
2973 support new flag to denote 32381 fpu.
2974 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
2975 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
2977 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
2978 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
2979 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
2980 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
2981 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
2982 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
2983 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
2984 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
2985 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
2986 fpu registers and special register classes for new 32381
2987 instructions dotf and polyf.
2988 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
2990 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
2991 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
2993 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
2994 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
2995 (REGISTER_MOVE_COST): move code to register_move_cost function for
2996 ease of coding and debugging.
2997 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
2998 LONG_FLOAT_REGO is likely spilled but not caught by default
3000 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
3001 instead of hard coded numbers in range check.
3002 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
3003 (...): Add prototypes for functions in ns32k.c but disable because
3004 of problems when ns32k.h is included in machine independant files.
3006 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
3007 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
3008 hard_regno_mode_ok, secondary_reload_class,
3009 print_operand, print_operand_address): new register scheme to
3010 include 32381 fpu registers and special register classes for new
3011 32381 instructions dotf and polyf.
3012 (gen_indexed_expr): Make static to keep namespace clean.
3013 (check_reg): remove since never called.
3014 (move_tail, expand_block_move): helper functions for "movstrsi"
3016 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
3017 Increase cost of moves which go via memory.
3018 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
3019 (CPP_PREDEFINES): nolonger predefine "unix".
3021 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
3022 Remove erroneous %$. print_operand() can work out from the rtx is
3023 an immediate prefix is required.
3025 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
3026 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
3027 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
3029 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
3032 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
3033 Correct handling of pic operands.
3034 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
3035 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
3036 -mrtd calling convention.
3038 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
3040 * gcc.c (option_map): Recognize --output-class-directory.
3042 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3044 * loop.h (precondition_loop_p): Added new mode argument.
3045 * unroll.c (precondition_loop_p): Likewise.
3046 (approx_final_value): Function deleted and subsumed
3047 into loop_iterations.
3048 (loop_find_equiv_value): New function.
3049 (loop_iterations): Use loop_find_equiv_value to find increments
3050 too large to be immediate constants. Also use it to find terms
3051 common to initial and final iteration values that can be removed.
3053 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3055 * loop.h (struct loop_info): Define new structure.
3056 (precondition_loop_p): Added prototype.
3057 (unroll_loop): Added new argument loop_info to prototype.
3058 (final_biv_value, final_giv_value): Added new argument n_iterations
3060 * loop.c (strength_reduce): Declare new structure loop_iteration_info
3061 and new pointer loop_info.
3062 (loop_n_iterations): Replace global variable by element in
3063 loop_info structure.
3064 (check_final_value): New argument n_iterations.
3065 (insert_bct): New argument loop_info.
3066 (loop_unroll_factor): Replace global array by element in
3067 loop_info structure.
3068 (loop_optimize): Remove code to allocate and initialise
3069 loop_unroll_factor_array.
3070 * unroll.c (precondition_loop_p): No longer static since
3071 used by branch on count optimization.
3072 (precondition_loop_p, unroll_loop): New argument loop_info.
3073 (final_biv_value, final_giv_value, find_splittable_regs): New
3074 argument n_iterations.
3075 (loop_iteration_var, loop_initial_value, loop_increment,
3076 loop_final_value, loop_comparison_code, loop_unroll_factor):
3077 Replaced global variables by loop_info structure.
3078 (loop_unroll_factor): Replace global array by element in
3079 loop_info structure.
3081 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3083 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
3086 * unroll.c (precondition_loop_p): Return loop_initial_value
3087 for initial_value instead of loop_iteration_var.
3089 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3091 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
3092 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
3093 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
3094 to output the instruction sequences.
3096 (rptb_top): Provide alternatives to use any register or memory
3098 (rptb_end): Emit use of operands rather than assigning them
3099 explicitly to the RS and RE registers.
3101 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3103 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
3104 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
3105 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
3106 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
3107 c4x_merge_notes, c4x_parallel_process,
3108 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
3109 c4x_combine_parallel): Delete.
3111 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3113 * config/c4x/c4x.c: (c4x_override_options): For compatibility
3114 with old target options clear flag_branch_on_count_reg if
3115 -mno-rptb specified and set flag_argument_alias is -mno-aliases
3117 (c4x_output_cbranch): Handle a sequence of insns rather than a
3119 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
3120 has not been allocated as the loop counter.
3121 (c4x_address_conflict): Do not allow two volatile memory references.
3122 (valid_parallel_operands_4, valid_parallel_operands_5,
3123 valid_parallel_operands_6): Reject pattern if the register destination
3124 of the first set is used as part of an address in the second set.
3126 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3128 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
3129 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
3130 is no longer enabled if PARALLEL_MPY_FLAG set.
3131 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
3132 (REG_CLASS_CONTENTS): Add braces around initializers.
3133 (HAVE_MULTIPLE_PACK): Define.
3134 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
3135 REAL_VALUE_TO_DECIMAL.
3136 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
3137 REAL_VALUE_TO_DECIMAL.
3138 (ar0_reg_operand): Add prototype.
3139 (ar0_mem_operand): Likewise.
3140 (ar1_reg_operand): Likewise.
3141 (ar1_mem_operand): Likewise.
3142 (ar2_reg_operand): Likewise.
3143 (ar2_mem_operand): Likewise.
3144 (ar3_reg_operand): Likewise.
3145 (ar3_mem_operand): Likewise.
3146 (ar4_reg_operand): Likewise.
3147 (ar4_mem_operand): Likewise.
3148 (ar5_reg_operand): Likewise.
3149 (ar5_mem_operand): Likewise.
3150 (ar6_reg_operand): Likewise.
3151 (ar6_mem_operand): Likewise.
3152 (ar7_reg_operand): Likewise.
3153 (ar7_mem_operand): Likewise.
3154 (ir0_reg_operand): Likewise.
3155 (ir0_mem_operand): Likewise.
3156 (ir1_reg_operand): Likewise.
3157 (ir1_mem_operand): Likewise.
3158 (group1_reg_operand): Likewise.
3159 (group1_mem_operand): Likewise.
3160 (ir1_reg_operand): Likewise.
3161 (arx_reg_operand): Likewise.
3162 (not_rc_reg): Likewise.
3163 (not_modify_reg): Likewise.
3164 (c4x_group1_reg_operand): Remove prototype.
3165 (c4x_group1_mem_operand): Likewise.
3166 (c4x_arx_reg_operand): Likewise.
3168 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
3170 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
3171 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
3173 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3175 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
3178 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3180 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
3181 unless FMOVD_WORKS is defined.
3183 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3185 * regclass.c (init_reg_sets): Move code that calculates tables
3186 dependent on reg_class_contents from here...
3187 (init_reg_sets_1): To here.
3189 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
3191 * cpplib.h: Delete struct import_file. Add ihash element to
3192 struct cpp_buffer. Delete dont_repeat_files and
3193 import_hash_table elements from cpp_reader; change
3194 all_include_files to a hash table. Delete all foobar_include
3195 / last_foobar_include elements from struct cpp_options; put
3196 back four such: quote_include, bracket_include,
3197 system_include, after_include. Redo struct file_name_list
3198 completely. Add new structure type include_hash. Add
3199 prototypes for merge_include_chains and include_hash. Change
3200 prototypes for finclude, find_include_file, and
3201 append_include_chain to match changes below.
3203 * cppfiles.c (simplify_pathname, include_hash,
3204 remap_filename, merge_include_chains): New functions.
3205 (add_import, lookup_import, open_include_file): Removed.
3206 (INO_T_EQ): Define this (copied from cccp.c).
3207 (hack_vms_include_specification): Remove all calls and #if 0
3208 out the definition. It was being called incorrectly and at
3209 the wrong times. Until a VMSie can look at this, it's better
3210 to not pretend to support it.
3211 (append_include_chain): Change calling convention; now takes
3212 only one directory at a time, and sets up the data structure
3214 (redundant_include_p): Rewritten - this is now used for all
3215 include redundancy, whether by #ifndef, #import, or #pragma
3216 once. Looks up things in the include hash table.
3217 (file_cleanup): Decrement pfile->system_include_depth here if
3219 (find_include_file): Calling convention changed; now passes
3220 around a struct include_hash instead of 3 separate parameters.
3221 Guts ripped out and replaced with new include_hash mechanism.
3222 (finclude): Calling convention changed as for
3223 find_include_file. Error exits pulled out-of-line. Reformat.
3224 (safe_read): Return a long, not an int.
3225 (deps_output): Don't recurse.
3227 * cpplib.c (is_system_include): Deleted.
3228 (path_include): Fix up call to append_include_chain.
3229 (do_include): Fix up calls to find_include_file and finclude.
3230 Clean up dependency output a bit. Shorten obnoxiously lengthy
3231 #import warning message. Don't decrement
3232 pfile->system_include_depth here.
3233 (do_pragma): Understand the include_hash structure. Reformat.
3234 (do_endif): Correct handling of control macros. Understand
3236 (cpp_start_read): Fix up calls to finclude. Call
3237 merge_include_chains.
3238 (cpp_handle_option): Fix up calls to append_include_chain.
3239 Understand the four partial include chains.
3240 (cpp_finish): Add debugging code (#if 0-ed out) for the
3242 (cpp_cleanup): Free the include_hash, not the import hash and
3243 the all_include and dont_repeat lists which no longer exist.
3245 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
3247 * toplev.c (no_new_pseudos): Define.
3248 (rest_of_compilation): Set no_new_pseudos as needed.
3249 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
3250 if no_new_pseudos is set.
3251 * rtl.h (no_new_pseudos): Declare it.
3252 * reload1.c (reload): Update comments.
3253 * md.texi: Corresponding changes.
3255 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3257 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
3258 (choose_reload_regs): Rename it here as well. When computing it,
3259 also merge in used hardregs.
3261 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3263 * gcc.c: Split out Objective-C specs to...
3264 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
3267 * c-lex.c (init_parse): Always initialize the filename global.
3268 * objc/objc-act.c (lang_init): Always call check_newline at
3271 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
3273 * reload1.c (reload): Remove unused variable.
3274 (reload_reg_free_for_value_p): Add missing parameter definition.
3276 * jump.c (jump_optimize): Remove unused variable.
3278 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
3280 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
3282 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
3284 * expr.c (move_by_pieces): Similarly.
3285 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
3286 * flow.c (find_auto_inc): Similarly.
3287 (try_pre_increment): Similarly.
3288 * loop.c (strength_reduce): Similarly.
3289 * regclass.c (auto_inc_dec_reg_p): Similarly.
3290 * regmove.c (try_auto_increment): Similarly.
3291 (fixup_match_1): Similarly.
3292 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
3293 (HAVE_PRE_DECREMENT): Similarly.
3294 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
3295 * Corresponding changes to all target header files.
3296 * tm.texi: Update docs for autoinc addressing modes.
3298 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
3300 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
3301 * configure: Rebuild.
3302 * config/elfos.h: New file.
3303 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
3304 config/m68k/t-m68kelf: New file.
3306 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
3308 * Makefile.in (HOST_AR): Define.
3309 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
3310 (libcpp.a): Use the host tools explicitly.
3311 (STAGESTUFF): Add libcpp.a.
3313 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
3315 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
3316 to source and destination registers.
3318 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
3320 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
3321 The strategy we now use is to pre allocate the top_elt along
3322 with the EH context so that each thread has its own top_elt.
3323 This is necessary as the dynmanic cleanup chain is used on the
3324 top element of the stack and each thread MUST have its own.
3325 (eh_context_static): Likewise.
3326 (new_eh_context): Likewise.
3327 (__sjthrow): Likewise.
3329 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
3331 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
3332 * i386.md (prologue_get_pc): Remove unused variable.
3334 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
3336 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
3338 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
3340 * Makefile.in (OBJS): Add graph.o
3341 (graph.o): New dependency list.
3342 * flags.h: Declare dump_for_graph and define graph_dump_types type.
3343 * print-rtl.c (dump_for_graph): Define new variable.
3344 (print_rtx): Rewrite to allow use in graph dumping functions.
3345 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
3346 finish_graph_dump_file.
3347 Define graph_dump_format.
3348 (compile_file): If graph dumping is enabled also clear these files.
3349 Finish graph dump files.
3350 (rest_of_compilation): Also dump graph information if enabled.
3351 (main): Recognize -dv to enabled VCG based graph dumping.
3352 * graph.c: New file. Graph dumping functions.
3354 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
3356 * configure.in: Look for <sys/stat.h>.
3357 * system.h: Include it before substitute S_ISREG definitions.
3359 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
3361 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
3362 * config/mips/iris6.h: Same.
3363 * config/mips/mips.md: Same.
3364 * config/mips/mips.c: Same; also add "-mabi=o64" option.
3365 * config/mips/mips.h: Same; also define ABI_O64.
3367 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3369 * configure.in: Use AC_PREREQ(2.12.1).
3371 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
3373 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
3374 * cpplib.c, gcc.c: Likewise.
3375 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
3377 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
3379 * local-alloc.c (local_alloc): Use malloc not alloca for
3380 reg_qty, reg_offset, ref_next_in_qty.
3382 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3384 * caller-save.c (insert_one_insn): Initialize the live_before and
3385 live_after register sets.
3389 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
3390 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
3391 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
3392 (fp_reg_names, assembler_dialect): New variables.
3393 (print_operand_address): Handle SUBREGs.
3394 (print_operand): Added 'o' case.
3395 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
3396 Name of FP registers depends on mode.
3397 (expand_block_move): Emit different code for SH4 hardware.
3398 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
3399 (from_compare): Likewise.
3400 (add_constant): New argument last_value. Changed all callers.
3401 (find_barrier): Don't try HImode load for FPUL_REG.
3402 (machine_dependent_reorg): Likewise.
3403 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
3404 (gen_far_branch): Emit a barrier after the new jump.
3405 (barrier_align): Don't trust instruction lengths before
3407 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
3408 Use auto-inc addressing for fp registers if doubles need to
3409 be loaded in two steps.
3410 Set sh_flag_remove_dead_before_cse.
3411 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
3412 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
3413 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
3414 Support for FIRST_XD_REG .. LAST_XD_REG.
3415 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
3416 (sh_expand_epilogue): Likewise.
3417 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
3418 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
3419 (arith_reg_operand): FPUL_REG is OK for SH4.
3420 (fp_arith_reg_operand, fp_extended_operand) New functions.
3421 (tertiary_reload_operand, fpscr_operand): Likewise.
3422 (commutative_float_operator, noncommutative_float_operator): Likewise.
3423 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
3424 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
3425 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
3426 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
3427 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
3428 (CONDITIONAL_REGISTER_USAGE): Likewise.
3429 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
3430 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
3431 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
3432 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
3433 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
3434 to -1 and sh_flag_remove_dead_before_cse to 1.
3435 (ASSEMBLER_DIALECT): Define to assembler_dialect.
3436 (assembler_dialect, fp_reg_names): Declare.
3437 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
3438 Hide names of registers that are not accessible.
3439 (CACHE_LOG): Take TARGET_CACHE32 into account.
3440 (LOOP_ALIGN): Take TARGET_HARWARD into account.
3441 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
3442 (FIRST_PSEUDO_REGISTER: Now 49.
3443 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
3444 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
3445 (HARD_REGNO_MODE_OK): Update.
3446 (enum reg_class): Add DF_REGS and FPSCR_REGS.
3447 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
3448 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
3449 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
3450 (NPARM_REGS): Eight floating point parameter registers on SH4.
3451 (BASE_RETURN_VALUE_REG): SH4 also passes double values
3452 in floating point registers.
3453 (GET_SH_ARG_CLASS) Likewise.
3454 Complex float types are also returned in float registers.
3455 (BASE_ARG_REG): Complex float types are also passes in float registers.
3456 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
3457 (LIBCALL_VALUE): Remove trailing semicolon.
3458 (ROUND_REG): Round when double precision value is passed in floating
3460 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
3461 passed on the stack.
3462 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
3463 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
3464 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
3465 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
3466 (MODE_DISP_OK_8): Not for SH4 DFmode.
3467 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
3468 Allow indexed addressing for PSImode after reload.
3469 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
3470 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
3471 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
3472 (DOUBLE_TYPE_SIZE): 64 for SH4.
3473 (RTX_COSTS): Add PLUS case.
3474 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
3475 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
3476 MAC_REGS, PR_REGS, DF_REGS.
3477 (REGISTER_NAMES): Use fp_reg_names.
3478 (enum processor_type): Add PROCESSOR_SH4.
3479 (sh_flag_remove_dead_before_cse): Declare.
3480 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
3481 (PREDICATE_CODES): Add binary_float_operator,
3482 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
3483 fpscr_operand, noncommutative_float_operator.
3484 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
3485 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
3486 * sh.md (attribute cpu): Add value sh4.
3487 (attrbutes fmovd, issues): Define.
3488 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
3489 (function units memory, int, mpy, fp): Make dependent on issue rate.
3490 (function units issue, single_issue, load_si, load): Define.
3491 (function units load_store, fdiv, gp_fpul): Define.
3492 (attribute hit_stack): Provide proper default.
3493 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
3494 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
3495 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
3496 (mulsi3_call): Now uses match_operand for function address.
3497 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
3499 (push, pop, push_e, pop_e): Now define_expands.
3500 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
3501 (movsi_ie): Added y/i alternative.
3502 (ic_invalidate_line_i, movdf_i4): New insns.
3503 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
3504 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
3505 (movdf): Add special code for SH4.
3506 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
3507 (call_valuei, calli, call_value): Likewise.
3508 (movsf): Emit no-op move.
3509 (mov_nop, movsi_y): New insns.
3510 (blt, sge): generalize to handle DFmode.
3511 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
3512 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
3513 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
3514 (fpu_switch0, fpu_switch1, movpsi): New expanders.
3515 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
3516 (toggle_sz): New insn.
3517 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
3518 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
3519 (macsf3): Make use of fpscr visible. Disable for SH4.
3520 (floatsisf2): Make use of fpscr visible.
3521 (floatsisf2_i4): New insn.
3522 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
3523 (ieee_ccmpeqsf_t): Likewise.
3524 (fix_truncsfsi2): Emit different code for SH4.
3525 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
3526 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
3527 (negsf2, sqrtsf2, abssf2): Now expanders.
3528 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
3529 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
3530 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
3531 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
3532 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
3533 (fix_truncdfsi2_i4_2+1): New splitters.
3534 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
3535 (extendsfdf2, truncdfsf2): New expanders.
3536 (truncdfsf2_i4): New insn.
3537 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
3538 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
3539 * float-sh.h: When testing for __SH3E__, also test for
3540 __SH4_SINGLE_ONLY__ .
3541 * va-sh.h (__va_freg): Define to float.
3542 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
3543 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
3544 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
3545 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
3547 (TARGET_SH4_P): Define.
3550 * sh.md (movdf_k, movsf_i): Tweak the condition so that
3551 init_expr_once is satisfied about the existence of load / store insns.
3553 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
3554 change m constraint in source operand to mr / mf .
3556 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
3558 * (__VA_REEF): Define.
3559 (__va_arg_sh1): Use it.
3561 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
3563 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
3565 * i386/dgux.c (struct option): Add new "description field".
3566 * m88k/m88k.c (struct option): Likewise.
3568 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
3570 * version.c: Bump for snapshot.
3572 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3574 * regmove.c (regmove_profitable_p): Use return value of find_matches
3577 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
3579 * version.c: Bump for snapshot.
3581 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
3583 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
3584 without reload having been called earlier.
3586 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
3588 (v850_reorg): Similarly.
3590 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
3592 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3594 * loop.c (move_movables): Start of libcall might be new loop start.
3596 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3598 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
3600 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3602 * function.c (nonlocal_goto_handler_slots): Renamed from
3603 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
3604 (push_function_context_to): Adjust for this change.
3605 (pop_function_context_from): Likewise.
3606 (init_function_start): Likewise.
3607 (expand_function_end): Likewise.
3608 * function.h (struct function): Likewise.
3609 * calls.c (expand_call): Likewise.
3610 * explow.c (allocate_dynamic_stack_space): Likewise.
3611 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
3612 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
3614 (expand_goto): When doing a nonlocal goto, find corresponding handler
3615 slot for it. Don't put the label address in the static chain register.
3616 (expand_end_bindings): Break out nonlocal goto handling code into
3617 three new functions.
3618 (expand_nl_handler_label, expand_nl_goto_receiver,
3619 expand_nl_goto_receivers): New static functions, broken out of
3620 expand_end_bindings and adapted to create one handler per nonlocal
3622 * function.c (delete_handlers): Delete insn if it references any of
3623 the nonlocal goto handler slots.
3624 * i960.md (nonlocal_goto): Comment out code that modifies
3626 * sparc.md (nonlocal_goto): Likewise.
3627 (goto_handler_and_restore_v9): Comment out.
3628 (goto_handler_and_restore_v9_sp64): Comment out.
3630 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3632 * expr.c (STACK_BYTES): Delete unused macro.
3633 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
3634 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
3635 (expand_call): Likewise.
3636 (emit_library_call): Likewise.
3637 (emit_library_call_value): Likewise.
3638 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
3639 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
3640 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
3641 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
3642 (allocate_dynamic_stack_space): Likewise.
3643 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
3644 (STACK_BOUNDARY): Update description to reflect the new situation.
3646 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
3648 * reorg.c (relax_delay_slots): When optimizing for code size, if a
3649 return with a filled delay slot is followed by a return with an
3650 unfilled delay slot, delete the first return and reemit the insn
3651 that was previously in its delay slot.
3653 * i860.c (single_insn_src_p): Add missing parens.
3654 * ginclude/math-3300.h: Likewise.
3656 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
3658 * regclass.c (init_reg_sets_1): Add prototype.
3659 (init_reg_modes): Likewise.
3661 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
3663 * c-common.c: Change warning messages to say `comparison is
3664 always true' or `comparison is always false' instead of the
3665 confusing `is always 0', `is always 1'.
3667 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
3669 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
3670 break instead of return (which loses closing '>').
3672 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
3674 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
3675 standard 387 constants.
3677 * i386.md (jump): Explicitly set "memory" attribute.
3678 (indirect_jump, prologue_set_stack_ptr): Likewise.
3679 (prologue_get_pc_and_set_got, pop): Likewise.
3680 (allocate_stack_worder, blockage, return_internal): Likewise.
3681 (return_pop_internal, nop): Likewise.
3682 (epilogue_set_stack_ptr, leave): Likewise.
3684 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
3686 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
3688 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3690 * reload1.c (reload_reg_free_for_value_p):
3691 Early auto_inc reloads don't conflict with outputs.
3693 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3695 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
3696 Instead call AC_HEADER_SYS_WAIT.
3698 * collect2.c: Don't provide defaults for sys/wait.h macros.
3700 * protoize.c: Likewise. Also, don't include sys/wait.h.
3702 * system.h: Include sys/wait.h and provide macro defaults.
3704 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3706 * Makefile.in (mandir): Set to @mandir@.
3707 (man1dir): New variable to hold the former value of $(mandir).
3708 Replace all uses of $(mandir) by $(man1dir).
3710 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
3712 * reload.c (find_reloads_address_part): If have a CONST_INT, create
3713 a new one before passing it to force_const_mem.
3715 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
3716 find_reloads_address call.
3718 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3720 * expr.c (store_expr): Don't generate load-store pair
3721 if TEMP is identical (according to ==) with TARGET.
3723 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3725 * reload1.c (reload_reg_free_for_value_p): When considered reload
3726 has an output, matching inputs are not sufficient to avoid conflict.
3728 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
3730 * hash.h (hash_table_key): New type.
3731 (hash_entry): Change `string' field to generic `key'.
3732 (hash_table): Add `comp' and `hash' functions.
3733 (hash_table_init): Take them as input.
3734 (hash_table_init_n): Likewise.
3735 (hash_lookup): Modify for generic keys.
3736 (hash_newfunc): Likewise.
3737 (hash_traverse): Likewise.
3738 (string_hash): New function.
3739 (string_compare): Likewise.
3740 (string_copy): Likewise.
3741 * hash.c (hash_table_init_n): Modify for generic keys.
3742 (hash_table_init): Likewise.
3743 (hash_lookup): Likewise.
3744 (hash_newfunc): Likewise.
3745 (hash_traverse): Likewise.
3746 (string_hash): Split out from hash_lookup.
3747 (string_compare): New function.
3748 (string_copy): Split out from hash_lookup.
3749 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
3751 (symbol_hash_lookup): Likewise.
3752 (file_hash_newfunc): Likewise.
3753 (file_hash_lookup): Likewise.
3754 (demangled_hash_newfunc): Likewise.
3755 (demangled_hash_lookup): Likewise.
3756 (tlink_int): Likewise.
3757 (read_repo_file): Likewise.
3758 (recompile_files): Likewise.
3759 (demangle_new_symbols): Likewise.
3760 (scan_linker_output): Likewise.
3762 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3764 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
3766 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
3768 * rs6000.c (output_mi_thunk): Improve test for local branch.
3770 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3772 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
3774 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3776 * reload1.c (reload_reg_free_before_p): Delete.
3777 Changed all callers to use reload_reg_free_for_value_p instead.
3778 (reload_reg_free_for_value_p): Handle more reload types.
3779 A RELOAD_FOR_INPUT doesn't conflict with its
3780 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
3781 Add special case for OUT == const0_rtx.
3782 Added ignore_address_reloads argument. Changed all callers.
3784 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
3786 * toplev.c (compile_file): Don't pedwarn about undefined static
3787 functions just because we passed -Wunused.
3789 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3791 * function.c (purge_addressof_1): Unshare rtl created by
3794 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3796 * regmove.c (regmove_optimize): Don't do anything but
3797 optimize_reg_copy[123] when flag_regmove is not set.
3799 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
3801 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
3802 value in paradoxical SImode result, rather than truncating midpoint.
3804 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
3806 * alpha.c (reg_not_elim_operand): New.
3807 * alpha.h (PREDICATE_CODES): Add it.
3808 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
3809 for the multiplicand.
3811 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
3813 * rs6000.md (movsf): Remove explicit secondary-reload-like
3814 functionality. Only truncate SFmode store if in FPR.
3815 (movsf splitters): Combine const_double splitters.
3816 (movsf_hardfloat): Add GPR support.
3818 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
3820 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
3821 deprecate -mlive-g0 and -mbroken-saverestore.
3822 * t-splet (MULTILIB_OPTIONS): Likewise.
3824 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
3825 in a leaf function. Clarify total_size/extra_size relationship.
3827 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
3829 * i386/cygwin32.asm: Delete.
3830 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
3831 * i386/cygwin32.h: Delete.
3832 * i386/cygwin.h: New file, renamed from cygwin32.h.
3833 * i386/t-cygwin32: Delete.
3834 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
3835 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
3836 * i386/x-cygwin32: Delete.
3837 * i386/x-cygwin: New file, renamed from x-cygwin32.
3838 * i386/xm-cygwin32: Delete.
3839 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
3840 renamed cygwin_ funcs for path translations.
3841 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
3842 * i386/winnt.c: Remove "32" from comment about cygwin.
3843 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
3844 * rs6000/cygwin32.h: Delete.
3845 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
3846 -D__CYGWIN__ to CPP_PREDEFINES.
3847 * rs6000/x-cygwin32: Delete.
3848 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
3849 * rs6000/xm-cygwin32: Delete.
3850 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
3852 * configure.in: Check for cygwin* instead of cygwin32. Account
3853 for the rename of cygwin-related config files to lose the "32"s.
3854 * configure: Regenerate.
3856 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
3857 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
3859 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
3861 * Makefile.in (JAVAGC): New macro.
3862 * configure: Rebuilt.
3863 * configure.in: Recognize --enable-java-gc argument. Subst
3866 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3868 Handle equivalences that have been obscured by gcse:
3870 * reload1.c (reload): Handle equivalences set up in multiple places.
3871 * local-alloc.c (reg_equiv_init_insns): New variable.
3872 (no_equiv): New function.
3873 (update_equiv_regs): Handle equivalences set up in multiple places.
3874 Don't ignore an insn just because its destination is likely to be
3877 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
3879 * except.c (expand_eh_return): Readd force_operand call lost in
3882 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
3884 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
3886 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3888 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
3890 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3892 * regmove.c (regmove_optimize): Fix error in last change.
3894 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
3896 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
3897 offset in the .mask pseudo to compensate for frame pointer adjustments.
3898 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
3899 word swap arguments moved to/from FP registers.
3900 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
3902 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
3904 * version.c: Bump for snapshot.
3906 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
3908 * version.c: Bump for snapshot.
3910 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
3912 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
3913 times, then it can not be completely replaced.
3915 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
3917 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
3919 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3921 * gansidecl.h: Prepend a "G" to the macro wrapping this file
3922 (to distinguish it from the macro wrapping ansidecl.h.)
3923 Include libiberty's ansidecl.h. Remove all redundant definitions.
3924 Define the PROTO() style macros in terms of the PARAMS() ones.
3927 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
3928 __STDC__, when deciding whether to use ANSI variable args.
3929 (emit_library_call_value): Likewise.
3931 * cccp.c (error): Likewise.
3932 (warning): Likewise.
3933 (error_with_line): Likewise.
3934 (warning_with_line): Likewise.
3935 (pedwarn): Likewise.
3936 (pedwarn_with_line): Likewise.
3937 (pedwarn_with_file_and_line): Likewise.
3940 * cexp.y (error): Likewise.
3941 (pedwarn): Likewise.
3942 (warning): Likewise.
3944 * collect2.c (fatal_perror): Likewise.
3948 * combine.c (gen_rtx_combine): Likewise.
3950 * cpperror.c (cpp_message): Likewise.
3951 (cpp_fatal): Likewise.
3953 * cpplib.c (cpp_error): Likewise.
3954 (cpp_warning): Likewise.
3955 (cpp_pedwarn): Likewise.
3956 (cpp_error_with_line): Likewise.
3957 (cpp_warning_with_line): Likewise.
3958 (cpp_pedwarn_with_line): Likewise.
3959 (cpp_pedwarn_with_file_and_line): Likewise.
3961 * cpplib.h: Don't define PARAMS() macro.
3963 * demangle.h: Likewise.
3965 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
3966 when deciding whether to use ANSI variable args.
3968 * emit-rtl.c (gen_rtx): Likewise.
3969 (gen_rtvec): Likewise.
3971 * final.c (asm_fprintf): Likewise.
3973 * fix-header.c (cpp_message): Likewise.
3975 (cpp_fatal): Likewise.
3977 * gcc.c (concat): Likewise.
3981 * genattr.c (fatal): Likewise.
3983 * genattrtab.c (attr_rtx): Likewise.
3984 (attr_printf): Likewise.
3987 * gencodes.c (fatal): Likewise.
3989 * genconfig.c (fatal): Likewise.
3991 * genemit.c (fatal): Likewise.
3993 * genextract.c (fatal): Likewise.
3995 * genflags.c (fatal): Likewise.
3997 * genopinit.c (fatal): Likewise.
3999 * genoutput.c (fatal): Likewise.
4002 * genpeep.c (fatal): Likewise.
4004 * genrecog.c (fatal): Likewise.
4006 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
4007 deciding whether to declare `tree_node' and `rtx_def'.
4009 * hash.h: Don't define stuff we get from gansidecl.h.
4011 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
4012 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
4013 whether to use ANSI variable args.
4016 * prefix.c (concat): Likewise.
4020 * system.h: Likewise.
4022 * toplev.c (error_with_file_and_line): Likewise.
4023 (error_with_decl): Likewise.
4024 (error_for_asm): Likewise.
4027 (warning_with_file_and_line): Likewise.
4028 (warning_with_decl): Likewise.
4029 (warning_for_asm): Likewise.
4030 (warning): Likewise.
4031 (pedwarn): Likewise.
4032 (pedwarn_with_decl): Likewise.
4033 (pedwarn_with_file_and_line): Likewise.
4035 (really_sorry): Likewise.
4037 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
4038 whether to declare `tree_node' and `rtx_def'.
4040 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
4041 deciding whether to use ANSI variable args.
4042 (build_nt): Likewise.
4043 (build_parse_node): Likewise.
4045 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
4047 * version.c: Bump for snapshot.
4049 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4051 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
4053 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
4055 * collect2.c (main, case 'b'): Use else if.
4057 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4059 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
4060 Arrange to include gansidecl.h in {ht}config.h & tm.h just
4061 before the config/ directory headers.
4062 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
4063 gansidecl.h in the list of dependencies.
4065 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
4066 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
4067 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
4068 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
4069 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
4070 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
4073 * cccp.c: Don't include gansidecl.h.
4075 * collect2.c: Likewise.
4076 * config/c4x/c4x.c: Likewise.
4077 * config/v850/v850.h: Likewise.
4078 * cppalloc.c: Likewise.
4079 * cpperror.c: Likewise.
4080 * cppexp.c: Likewise.
4081 * cppfiles.c: Likewise.
4082 * cpphash.c: Likewise.
4083 * cpplib.c: Likewise.
4084 * cppmain.c: Likewise.
4085 * cppulp.c: Likewise.
4086 * demangle.h: Likewise.
4087 * doprint.c: Likewise.
4088 * dyn-string.c: Likewise.
4089 * eh-common.h: Likewise.
4090 * fix-header.c: Likewise.
4091 * frame.c: Likewise.
4094 * gen-protos.c: Likewise.
4095 * gencheck.c: Likewise.
4096 * halfpic.h: Likewise.
4098 * machmode.h: Likewise.
4099 * mbchar.c: Likewise.
4100 * prefix.c: Likewise.
4101 * protoize.c: Likewise.
4102 * recog.h: Likewise.
4104 * scan-decls.c: Likewise.
4106 * varray.h: Likewise.
4108 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
4110 * i386.md (call_value_pop): If we're not popping anything,
4111 defer to call_value.
4112 (call_pop): Likewise defer to call.
4114 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
4116 * function.c (purge_addressof): Clear purge_addressof_replacements
4117 only after processing the whole function.
4119 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
4121 * reload1.c (reload): If we can not perform a particular elimination
4122 when we thought we could earlier, then we must always iterate through
4123 the loop at least one more time.
4125 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
4127 * alpha.c (add_operand): Simplify the CONST_INT match.
4128 (sext_add_operand): Correct typo in comparison by using
4129 CONST_OK_FOR_LETTER_P.
4130 * alpha.md (s?addq): Use sext_add_operand to allow the negative
4131 constant alternatives to be generated.
4132 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
4133 small constants, since the hw instructions do.
4135 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4137 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
4138 previous insn to store directly into our reload register, make sure
4139 that if the source of the previous insn is a reload register, its
4140 spill_reg_store and spill_reg_stored_to values are cleared.
4142 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
4144 * rs6000.md (floatunssidf2_internal splitter): Use base register
4145 operand, not hard-coded SP.
4147 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4149 * jump.c (calculate_can_reach_end): Fix thinko.
4151 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
4153 * reorg.c (fill_simple_delay_slots): Fix typo.
4155 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
4157 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
4159 * i386.md (extendsidi2): Use # in the output template.
4160 (extendsidi splitters): New splitters.
4162 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
4164 * configure.in: Use unknown-elf.h as tm_file for arm-elf
4166 * configure: Regenerate.
4168 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4170 * jump.c (init_label_info, delete_barrier_successors,
4171 mark_all_labels, delete_unreferenced_labels,
4172 delete_noop_moves, calculate_can_reach_end): New functions broken
4173 out of jump_optimize.
4174 (jump_optimize): Use them.
4176 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
4178 * except.c (expand_fixup_region_end): Make sure outer context labels
4179 are not issued in an inner context during cleanups.
4181 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
4183 * alpha.md (addsi3, subsi3): No new temporaries once cse is
4186 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
4188 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
4189 to expose this midpoint to CSE.
4191 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4193 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
4195 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4197 * configure.in: Bring over gcc2 change of Nov 19 1997.
4199 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
4201 * toplev.c (output_lang_identify): Make definition dependent on
4202 ASM_IDENTIFY_LANGUAGE.
4204 * print-rtl.c (spaces): Make static.
4206 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
4208 * extend.texi: Clarify proper uses for register clobbers in asms.
4210 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4212 * recog.h (enum op_type): Define.
4213 (constrain_operands): Adjust prototype.
4214 (recog_op_type): Declare new variable.
4215 * recog.c (recog_op_type): New variable.
4216 (insn_invalid_p): Allow modifying an asm statement after reload.
4217 (extract_insn): Set up recog_op_type.
4218 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
4219 Don't compute operand types, use recog_op_type.
4220 Use the information computed by extract_insn instead of the previous
4221 method of finding it by insn code number.
4222 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
4223 * reorg.c (fill_slots_from_thread): Likewise.
4224 * reload1.c (reload_as_needed): Likewise.
4225 (gen_reload): Likewise.
4226 (inc_for_reload): Likewise.
4227 (reload_cse_simplify_operands): Likewise.
4228 Use the information computed by extract_insn instead of the previous
4229 method of finding it by insn code number.
4230 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
4232 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
4233 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
4234 Use the information computed by extract_insn instead of the previous
4235 method of finding it by insn code number.
4236 * regmove.c (find_matches): Likewise. Change meaning of the return
4237 value to be nonzero if the optimization can be performed, zero if
4238 not. All callers changed.
4239 Shorten some variable names to fix formatting problems.
4240 (regmove_optimize): Shorten some variable names to fix formatting
4242 Use the information computed by extract_insn instead of the previous
4243 method of finding it by insn code number.
4244 * regclass.c (scan_one_insn): Likewise.
4245 (record_reg_classes): Don't compute operand types, use recog_op_type.
4246 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
4247 recog_constraints instead.
4249 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
4251 * rtl.h (flow2_completed): Declare.
4252 * flow.c (flow2_completed): Definition.
4253 * toplev.c (rest_of_compilation): Set and clear flow2_completed
4256 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
4258 * Makefile.in (libcpp.a): Ranlib libcpp.a
4260 * cppulp.c (user_label_prefix): Initialize.
4262 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
4264 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
4265 at a RETURN if current_function_sp_is_unchanging is set.
4267 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4269 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
4271 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
4273 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
4274 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
4275 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
4276 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
4277 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
4278 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
4280 (LIB_SPEC): Handle -mno-cyginw option.
4281 (LINK_SPEC): Handle -mdll.
4283 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4285 * reload.c (find_reloads): Fix test for usage by other reload
4286 to handle secondary reloads properly.
4288 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4290 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
4291 intermediate structure which has exactly the members provided by
4292 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
4293 static intermediate structure.
4295 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
4296 from the intermediate structure. Do the same analogous fix in
4297 the case where ELIMINABLE_REGS is not defined.
4299 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
4301 * pa.h (SELECT_SECTION): Fix thinko.
4303 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
4305 * dwarf2out.c (output_call_frame_info): Comments on last change.
4307 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
4309 * arm.c (add_constant): When taking the address of an item in the
4310 pool, get the mode of the item addressed.
4312 * arm.c (final_prescan_insn case INSN): If an insn doesn't
4313 contain a SET or a PARALLEL, don't consider it for conditional
4316 Restore ABI compatibility for NetBSD.
4317 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
4319 (RETURN_IN_MEMORY): Likewise.
4321 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
4323 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
4324 (m32r_output_block_move): Rewrite bytes < 4 handling.
4326 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4328 * configure.in: Call AC_FUNC_VFORK.
4330 * collect2.c: Define VFORK_STRING as a printable string for
4331 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
4332 defined, include vfork.h. If VMS is defined, define vfork()
4333 appropriately. Remove vfork check on USG, we're using autoconf.
4334 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
4335 checking locally what string to pass.
4336 (scan_prog_file): Likewise.
4337 (scan_libraries): Likewise.
4339 * gcc.c: Remove vfork check on USG, we're using autoconf.
4340 Besides, no calls to vfork/fork occur in this file.
4342 * protoize.c: Likewise.
4344 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4346 * configure.in (DEFAULT_LINKER): renamed from LD
4347 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
4348 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
4349 * configure: rebuilt
4351 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4353 * BUGS: fix the regexp for `more' to find the appropriate node.
4354 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
4356 * BUGS: added link to the WWW FAQ
4358 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
4360 * version.c: Bump for snapshot.
4362 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
4364 * From Christian Gafton:
4365 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
4366 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
4367 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
4369 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
4371 * c-common.c (c_get_alias_set): Allow all type-punning through
4372 unions. Don't get confused about the type of a bit-field, despite
4373 the antics of build_modify_expr.
4375 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
4377 * fixinc.sco: Paramaterize #include_next values.
4378 * fixinc/fixinc.sco: Likewise.
4380 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
4382 * toplev.c (rest_of_compilation): No longer set reload_completed.
4383 * reload1.c (reload): Set it here. Perform instruction splitting
4384 after reload has completed if we will be running the scheduler
4387 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
4389 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
4390 EH region if exceptions are enabled and we're performing cross
4392 (find_cross_jump): Exit loop if the insns are in different EH regions.
4394 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
4396 * dwarf2out.c (output_call_frame_info): Use
4397 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
4399 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4401 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
4402 * c-common.c (check_format_info): Don't check for the 'x'
4403 format character twice, instead check for 'x' and 'X'
4405 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
4407 * configure.in (assembler features): Also make gas is configured if
4408 we find it in the souce tree.
4410 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
4412 * i386.c (i386_comp_type_attributes): Compare whether the
4413 attributes are defined, not their tree nodes.
4415 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4417 * configure.in (gxx_include_dir): bitten by autoconf quoting
4419 * configure: rebuilt
4421 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4423 * configure.in: Ignore non-absolute value in $AS.
4425 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
4427 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
4429 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
4431 * configure.in (msdosdjgpp): Set exeext and target_alias.
4433 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4435 * flow.c (XNMALLOC): New macro.
4436 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
4438 (add_edge, add_edge_to_label): New static functions.
4439 (free_bb_memory): New function.
4440 (flow_delete_insn): Delete function.
4441 (basic_block_drops_in): Delete variable.
4442 (find_basic_blocks): Allocate and initialize basic_block_head,
4443 basic_block_succ. Don't allocate basic_block_drops_in.
4444 Call free_bb_memory at the beginning.
4445 (find_basic_blocks_1): Don't do multiple passes.
4446 Delete code to compute basic_block_drops_in.
4447 After calling make_edges, mark blocks reached by current block live.
4448 Update test for unreachable live blocks.
4449 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
4451 Simplify to call add_edge_to_label when a LABEL_REF is found.
4452 (make_edges): Simplify to call add_edge_to_label instead of
4453 mark_label_ref most of the time.
4454 Compute here whether control drops into the next block.
4455 (delete_unreachable_blocks): Return void. All callers changed.
4456 Delete unreachable blocks in reverse order.
4457 After deleting all unreachable blocks, renumber the remaining ones
4458 and update n_basic_blocks.
4459 (delete_block): Speed up deletion a bit.
4460 Don't set basic_block_drops_in for deleted blocks.
4461 (free_basic_block_vars): Don't free basic_block_drops_in.
4462 (life_analysis_1): Update to use new edge representation.
4463 (dump_flow_info): Delete code to print basic block info; call
4464 dump_bb_data instead.
4465 (compute_preds_succs): Delete code to recompute basic_block_drops_in
4466 and uid_block_number.
4467 Simply copy the previously computed cfg.
4468 (dump_bb_data): New arg LIVE_INFO. All callers changed.
4469 Print register lifetime information if LIVE_INFO is nonzero.
4470 * basic-block.h (dump_bb_data): Adjust prototype.
4471 * gcse.c (gcse_main): Update call to dump_bb_data.
4472 * rtl.h (free_bb_memory): Declare.
4473 * toplev.c (rest_of_compilation): Call free_bb_memory.
4475 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
4476 (update_eliminable_offsets): Don't compute it.
4477 (set_initial_elim_offsets): Don't initialize it.
4478 Break out some code into set_initial_label_offsets so the rest of
4479 this function can be called from reload_as_needed.
4480 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
4481 ELIMINABLE_REGS isn't.
4482 (set_initial_label_offsets): New function, broken out of
4483 set_initial_elim_offsets.
4484 (set_offsets_for_label): New function, broken out of set_label_offsets
4485 and reload_as_needed.
4486 (reload): Call the two new functions.
4487 (reload_as_needed): Call set_initial_elim_offsets instead of
4488 duplicating the code. Likewise for set_offsets_for_label.
4490 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
4491 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
4492 any hard reg, reg_reloaded_dead contains valid data.
4494 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
4496 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
4497 "stdcall" and "cdecl" attributes.
4499 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
4501 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
4502 handle deleted no-op moves of hard registers.
4503 * haifa-sched.c (update_flow_info): Likewise.
4505 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
4507 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
4508 of the sequences to reload the HILO register which do not actually
4511 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
4513 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
4515 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
4517 * except.c (emit_eh_context): Make the EH context register stay alive
4518 at -O0 so stupid.c doesn't get confused.
4520 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4522 * emit-rtl.c (try_split): Do not try to split a BARRIER.
4524 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
4525 Jeffrey A Law (law@cygnus.com)
4527 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
4528 (zero_extendsidi2): Use # in output template and handle completely by
4530 (zero_extend splitters): New define_splits.
4531 (ashiftrt_32): New pattern.
4533 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
4535 * tree.c (append_random_chars): New fn.
4536 (get_file_function_name_long): Use it.
4538 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
4540 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
4541 (LIBCPP_OBJS): New. Add cppulp.o.
4542 (cppmain, fix-header): Depend on and use libcpp.a.
4543 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
4544 of the individual object files.
4545 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
4548 * cccp.c (user_label_prefix): New.
4549 (main): Set it off -f*leading-underscore.
4550 (special_symbol): Use it.
4551 * cpplib.c (special_symbol): Likewise.
4552 (cpp_handle_option): Handle -f*leading-underscore.
4553 * cppulp.c: New file.
4555 * output.h (user_label_prefix): Declare it.
4556 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
4557 * toplev.c (f_options, main): Handle -f*leading-underscore.
4559 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
4560 referencing USER_LABEL_PREFIX directly.
4561 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
4562 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
4563 * final.c (asm_fprintf): Use user_label_prefix instead.
4564 * arm/thumb.c (thumb_print_operand): Likewise.
4566 * gcc.c (default_compilers): Pass -f*leading-underscore on to
4567 cpp wherever appropriate.
4569 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
4571 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
4572 specific compiler switches.
4574 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
4576 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
4579 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4581 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
4582 structure which has exactly the members provided by EXTRA_SPECS.
4583 Xmalloc() the real `extra_specs', and initialize it from this
4584 intermediate structure.
4586 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
4588 * mips.h (EXTRA_SPECS): Likewise.
4590 * sparc.h (EXTRA_SPECS): Likewise.
4592 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4594 * function.c (purge_addressof_1): Instead of aborting when a
4595 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
4596 work just put the ADDRESSOF on stack. Otherwise remember all such
4597 successfull replacements, so that exactly the same replacements
4598 can be made on the REG_NOTEs. Remove the special case for CALL
4600 (purge_addressof_replacements): New variable.
4601 (purge_addressof): Clear it at end.
4603 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
4605 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
4606 (lang_init): Call check_newline always.
4607 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
4608 cpp_start_read, set yy_cur and yy_lim to read from
4609 parse_in.token_buffer, so that we'll see the first #line
4611 * cpplib.c (cpp_start_read): finclude the main input file
4612 before processing -include/-imacros. Process -imacros and
4613 -include separately, and handle -include by stacking a
4614 buffer for the file in question as if it'd been #included.
4615 * toplev.c (documented_lang_options) Recognize -H when
4618 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
4620 * cpplib.c: Merge do_once into do_pragma. Break file handling
4621 code out of do_include.
4622 Move append_include_chain, deps_output,
4623 file_cleanup, redundant_include_p, import_hash,
4624 lookup_import, add_import, read_filename_string, read_name_map,
4625 open_include_file, finclude, safe_read to cppfiles.c.
4626 Move prototypes for deps_output, append_include_chain,
4627 finclude to cpplib.h. Move definition of struct
4628 file_name_list there also.
4630 * cppfiles.c: New file. Contains all the above functions
4631 broken out of cpplib.c; also hack_vms_include_specification
4632 from cccp.c and find_include_file, a new function broken out of
4635 * Makefile.in (cppmain): Depend on cppfiles.o.
4636 (fix-header): Likewise.
4637 (cppfiles.o): New target.
4638 * configure.in (--enable-c-cpplib): Add cppfiles.o to
4639 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
4641 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
4643 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
4644 if pending_types is non-zero.
4645 (dwarfout_finish): Verify pending_types is zero before finishing.
4647 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
4649 * expr.c (convert_move): Use shifts to perform the move if a
4650 suitable extend pattern cannot be found. Code written by
4651 Richard Henderson <rth@cygnus.com>.
4653 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4655 * regclass.c (renumber, regno_allocated): New static variables, moved
4656 out of allocate_reg_info.
4657 (allocate_reg_info): Move these two variables outside the function.
4658 Move code to free memory into new function free_reg_info.
4659 (free_reg_info): New function, broken out of allocate_reg_info.
4660 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
4661 * rtl.h (allocate_reg_info): Don't declare.
4662 (free_reg_info): Declare.
4664 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
4666 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
4668 * toplev.c (compile_file): Temporarily revert last change.
4670 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
4672 * c-typeck.c (convert_for_assignment): Parenthesize.
4674 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4676 * reload1.c (delete_output_reload): Avoid ambigous else.
4678 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
4680 * toplev.c (compile_file): Call allocate_reg_info to free register
4682 * rtl.h (allocate_reg_info): Declare.
4684 * PROJECTS: Remove entry for local spilling.
4686 * final.c (cleanup_subreg_operands): New function.
4687 (final_scan_insn): Use it.
4688 (alter_subreg): Clear the "used" field when we turn a SUBREG into
4690 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
4691 operands when reload has finished.
4692 * reload.h (cleanup_subreg_operands): Declare..
4693 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
4694 reload. Handled in reload itself.
4696 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4698 * reload1.c (verify_initial_offsets): New function.
4699 (reload): Call it after reload_as_needed. Also verify that the frame
4700 size stays constant during reload_as_needed.
4701 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
4703 * reload.h (struct insn_chain): Add need_operand_change element.
4704 * reload1.c (new_insn_chain): Clear it.
4705 (calculate_needs_all_insns): Set it; don't overload need_reload.
4706 (reload_as_needed): Use it.
4708 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
4709 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
4710 and reload_address_index_reg_class.
4711 (find_reloads_address_1): Likewise.
4712 * reload.h (reload_address_base_reg_class,
4713 reload_address_index_reg_class): Don't declare.
4714 * reload1.c (reg_old_renumber, pseudo_previous_regs,
4715 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
4716 (used_spill_regs): Now static.
4717 (reload_address_base_reg_class, reload_address_index_reg_class,
4718 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
4719 basic_block_needs, max_needs, group_size, group_mode, max_groups,
4720 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
4723 (init_reload): Delete code to compute base/index reg classes.
4724 (reload): Delete variable J.
4725 Delete code to manage basic_block_needs.
4726 Don't compute regs_explicitly_used.
4727 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
4728 pseudo_previous_regs.
4729 Initialize bad_spill_regs_global.
4730 Don't call order_regs_for_reload here.
4731 Don't initialize spill_reg_order and n_spills.
4732 Don't forbid explicitly used regs to be used for spill regs.
4733 Change main loop to infinite loop, with explicit break statements.
4734 Make SOMETHING_CHANGED variable local to that loop.
4735 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
4736 max_groups_insn, max_nongroups_insn, group_size, group_mode.
4737 Make sure spilled_speudos is cleared before calling spill_hard_reg or
4739 Don't call dump_needs.
4740 Delete code to reset potential_reload_regs.
4741 Delete code to terminate loop conditional on the global needs variables
4742 showing no further needs.
4743 (calculate_needs_all_insns): Return void. All callers changed.
4744 Initialize somehing_needs_elimination here, not in reload.
4745 Delete avoid_return_reg kludge.
4746 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
4747 All callers changed.
4748 Initialize the group_mode and group_size elements of the arg CHAIN.
4749 Delete code to manage basic_block_needs.
4750 Operate on elements of CHAIN instead of global variables.
4751 Delete avoid_return_reg kludge.
4752 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
4753 All callers changed.
4754 Operate on elements of CHAIN instead of global variables.
4755 Delete special SMALL_REGISTER_CLASSES code.
4756 Delete spill_failure code; now in new_spill_reg.
4757 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
4758 All callers changed.
4759 Operate on elements of CHAIN instead of global variables.
4760 (maybe_mark_pseudo_spilled): New static function.
4761 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
4762 All callers changed.
4763 Operate on elements of CHAIN instead of global variables.
4764 Call order_regs_for_reload here, not in reload.
4765 Initialize spill_reg_order and n_spills.
4766 Simplify test whether an asm insn is involved.
4767 Delete spill_failure code; now in new_spill_reg.
4768 Call maybe_mark_pseudo_spilled for everything marked as live in
4769 CHAIN. Merge CHAIN's used_spill_regs into the global variable
4771 (dump_needs): Take CHAIN arg. No longer static, to prevent the
4772 compiler from optimizing this function (now unused) away.
4773 Operate on elements of CHAIN instead of global variables.
4774 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
4776 Operate on elements of CHAIN instead of global variables.
4777 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
4778 take CHAIN arg. All callers changed.
4779 Operate on elements of CHAIN instead of global variables.
4780 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
4781 CHAIN, NONGROUP args. Return void. All callers changed.
4782 Verify caller isn't trying to spill a pseudo.
4783 Simplify test for illegal reg, just use bad_spill_regs.
4784 Generate better error messages.
4785 Operate on elements of CHAIN instead of global variables.
4786 Mark spilled register in CHAIN's used_spill_regs element.
4787 Don't call spill_hard_reg.
4788 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
4789 Mark spilled hard regs in bad_spill_regs_global.
4790 Mark affected pseudos in spilled_pseudos, but don't spill them.
4791 (ior_hard_reg_set): New static function.
4792 (finish_spills): Return int. All callers changed.
4793 Compute spill_reg_order, n_spills and spill_regs here. Also update
4794 regs_ever_live for regs used as spills.
4795 For every pseudo in spilled_pseudos, spill it and mark the previous
4796 hard reg it had in pseudo_previous_regs. Compute which hard regs
4797 arseudo): New static function.
4798 (order_regs_for_reload): Take CHAIN arg. All callers changed.
4799 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
4800 hard registers explicitly used across the current insn into the set.
4801 Compute hard_reg_n_uses taking only pseudos live across this insn
4803 Tweak sorting of potential_reload_regs.
4804 (compare_spill_regs): Delete function.
4805 (reload_as_needed): Don't sort the spill_regs array, it's computed
4806 in proper order in finish_spills.
4807 Delete avoid_return_reg kludge.
4808 Delete code to manage basic_block_needs.
4809 (allocate_reload_reg): Minor speed/readability tweaks.
4810 Operate on elements of CHAIN instead of global variables.
4811 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
4812 Delete avoid_return_reg kludge.
4813 Initialize reload_reg_used from CHAIN's used_spill_regs element.
4814 Delete unused label FAIL.
4815 (reload_combine): Replce reload_address_index_reg_class with
4817 Don't use used_spill_regs to determine information about lifetime of
4820 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
4822 * toplev.c (display_help): Ignore empty target specific
4823 options, and if -W is also specified on the command line then
4824 display undocumented options.
4826 * config/arm/arm.c: Updated with changes in devo sources.
4827 * config/arm/arm.h: Updated with changes in devo sources.
4828 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
4829 * config/arm/lib1thumb.asm: Add ELF support.
4831 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
4833 * collect2.c (aix64_flag): New variable.
4834 (main, case 'b'): Parse it.
4835 (GCC_CHECK_HDR): object magic number must match mode.
4836 (scan_prog_file): Only check for shared object if valid header.
4837 Print debugging if header/mode mismatch.
4839 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
4841 Added support for arm-elf-linux configuration, submitted by Philip
4842 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
4843 code developed by Catherine Moore <clm@cygnus.com>. The following
4846 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
4849 * configure: Regenerated.
4851 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
4852 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
4853 definitions conditional on their not having been already defined.
4855 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
4856 and .type directives, and add "(PLT)" qualification to function
4859 * config/arm/linux.h: Deleted. This file is now superceeded by
4860 either linux-elf.h or linux-aout.h.
4862 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
4863 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
4865 Move definitions from old linux.h file here.
4867 * config/arm/elf.h: New file. Generic ARM/ELF support.
4869 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
4871 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
4873 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
4874 using the 26bit APCS.
4876 * config/arm/unknown-elf.h: New file. Support for OS'es other
4877 than Linux with ELF.
4879 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
4882 * config/arm/coff.h: Include aout.h for basic assembler macros.
4883 Add support for -mstructure_size_boundary=<n> command line option.
4885 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
4886 command line option. Make macro definitions conditional on their
4887 not having been already defined.
4889 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
4890 command line option.
4893 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
4895 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
4896 has been changed to not include a newline. Use this macro instead.
4897 (output_enumeral_list, const_value_attribute, name_attribute,
4898 comp_dir_attribute, prototyped_attribute, producer_attribute,
4899 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
4900 dwarfout_file_scope_decl, generate_new_sfname_entry,
4901 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
4902 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
4904 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
4906 * combine.c (subst): Process the inputs to a parallel asm_operands
4909 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
4911 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
4913 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
4915 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
4917 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
4919 * version.c: Bump for snapshot.
4921 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
4923 * stmt.c (expand_fixup): Set fixup->before_jump to a
4924 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
4926 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4928 * Makefile.in (recog.o): Depend on toplev.h.
4929 (insn-emit.o): Depend on recog.h.
4930 (insn-peep.o): Depend on recog.h and insn-config.h.
4932 * combine.c (simplify_set): Remove unused variable `scratches'.
4934 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
4935 and `idx' in macro conditional controlling their use.
4937 * genemit.c (main): Make the generated output file include
4938 recog.h. Don't have it declare `insn_operand_constraint', since
4939 we get it from recog.h.
4941 * genpeep.c (main): Make the generated output file include
4942 insn-config.h and recog.h.
4944 * recog.c: Include toplev.h.
4945 (extract_insn): Remove unused variable `p'.
4947 * regclass.c (fix_register): Add missing braces around initializer
4949 (allocate_reg_info): Move variable `i' into the scope where it is
4950 used. Change its type to `size_t'.
4952 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4954 * reload.c (push_reload): When merging reloads, make sure
4955 that reload_in_reg and reload_in are from the same reload in
4958 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
4960 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
4961 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
4963 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
4965 * loop.c (loop_has_tablejump): New variable.
4966 (prescan_loop): Scan for it.
4967 (insert_bct): Replace explicit scan with use of it.
4968 * regclass.c (regclass): Restore loop variable j.
4969 (record_reg_classes): Deterine op_types modifiers and initialize
4970 classes[i] before matching constraints. Handle matching
4973 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
4975 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
4978 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4980 * mips.h (EXTRA_SPECS): Add missing initializers.
4982 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4984 * sparc.h (EXTRA_SPECS): Add missing initializers.
4985 (sparc_defer_case_vector): Provide a prototype.
4987 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
4988 comparing it to the result of a pointer subtraction.
4990 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4992 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
4993 the argument to (unsigned char).
4995 * alpha.h (EXTRA_SPECS): Add missing initializers.
4996 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
4999 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
5001 * flow.c (life_analysis_1): Enable "rescan" code after reload.
5002 (propagate_block): Delete dead code after reload.
5004 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
5005 back Oct 15, 1998 change.
5006 * haifa-sched.c (update_flow_info): Likewise.
5007 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
5009 * mn10200.md (truncated shift): Accept constant inputs too.
5011 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
5013 * machmode.h (mode_mask_array): No longer const.
5014 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
5016 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5018 * frame.c: Somewhat explain `FDE'.
5019 Suggested by Brendan Kehoe
5021 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
5023 * expr.c (pending_chain): Move up.
5024 (save_expr_status): Do save pending_chain.
5025 (restore_expr_status): And restore it.
5026 * function.h (struct function): Add pending_chain.
5028 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5030 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
5031 did not match the code.
5033 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5035 * regclass.c (regclass): Break out some code into new function
5036 scan_one_insn, and into regclass_init.
5037 (init_cost): New static variable, moved out of regclass.
5038 (regclass_init): Initialize it here, not in .
5039 (scan_one_insn): New static function, broken out of regclass.
5040 * recog.c (apply_change_group): Break out some code into new
5041 function insn_invalid_p.
5042 (insn_invalid_p): New static fn, broken out of apply_change_group.
5044 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
5046 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
5047 reg_reloaded_contents matches incremented pseudo.
5049 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
5051 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5053 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
5054 addressing modes with side effects. These are currently
5055 placeholders for the C4x target.
5057 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5059 * loop.c (express_from): Make sure that when generating a PLUS of
5060 a PLUS, any constant expression appears on the outermost PLUS.
5062 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
5064 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
5065 works if "$(srcdir)" != ".".
5067 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
5069 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
5070 existing SUBREG if we can, otherwise abort.
5072 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
5074 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
5075 `restrict' is applied to a non-pointer variable.
5077 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
5079 * invoke.texi: Document -flang-isoc9x.
5081 * Makefile.in (OBJS): Add splay-tree.o.
5082 (c-common.o): Depend on rtl.h.
5083 (splay-tree.o): List dependencies and provide build rule.
5085 * rtl.h (record_alias_subset): New function.
5086 * alias.c: Include splay-tree.h.
5087 (alias_set_entry): New type.
5088 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
5089 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
5090 (mems_in_disjoin_alias_sets_p): New function.
5091 (alias_set_compare): Likewise.
5092 (insert_subset_children): Likewise.
5093 (get_alias_set_entry): Likewise.
5095 * tree.h (TYPE_RESTRICT): New macro.
5096 (TYPE_UNQUALIFIED): New manifest constant.
5097 (TYPE_QUAL_CONST): Likewise
5098 (TYPE_QUAL_VOLATILE): Likewise.
5099 (TYPE_QUAL_RESTRICT): Likewise.
5100 (tree_type): Add restrict_flag. Reduce count of free bits.
5101 (DECL_POINTER_ALIAS_SET): New macro.
5102 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
5103 (tree_decl): Add pointer_alias_set.
5104 (build_qualified_type): New function.
5105 (build_type_variant): Define in terms of build_qualified_type.
5106 * tree.c (set_type_quals): New function.
5107 (make_node): Initializae DECL_POINTER_ALIAS_SET.
5108 (build_type_attribute_variant): Use build_qualified_type and
5110 (build_type_variant): Rename, and modify, to become...
5111 (build_qualified_type): New function.
5112 (build_complex_type): Use set_type_quals.
5114 * c-tree.h (C_TYPE_OBJECT_P): New macro.
5115 (C_TYPE_FUNCTION_P): Likewise.
5116 (C_TYPE_INCOMPLETE_P): Likewise.
5117 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
5118 (c_apply_type_quals_to_decl): New function.
5119 (c_build_qualified_type): New function.
5120 (c_build_type_variant): Define in terms of c_build_qualified_type.
5121 (flag_isoc9x): Declare.
5122 * c-typeck.c (qualify_type): Use c_build_qualified_type.
5123 (common_type): Change to use TYPE_QUALS.
5124 (comptypes): Likewise.
5125 (convert_for_assignment): Likewise.
5126 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
5127 * c-decl.c (flag_isoc9x): Define.
5128 (c_decode_option): Handle -flang-isoc9x.
5129 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
5130 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
5131 * c-lex.c (init_lex): Deal with restrict.
5132 (init_lex): Don't treat restrict as a reserved word in
5133 -traditional mode, or without -flang-isoc9x.
5134 * c-lex.h (rid): Add RID_RESTRICT.
5135 * c-parse.gperf (restrict, __restrict, __restrict__): Make
5136 equivalent to RID_RESTRICT.
5137 * c-parse.in (TYPE_QUAL): Update comment.
5138 * c-common.c: Include rtl.h.
5139 (c_find_base_decl): New function.
5140 (c_build_type_variant): Rename, and modify, to become ...
5141 (c_build_qualified_type): New function.
5142 (c_apply_type_quals_to_decl): Likewise.
5143 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
5144 a particular alias set for the reference.
5145 * toplev.c (documented_lang_options): Add -flang-isoc9x.
5147 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
5149 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
5150 command line switches.
5152 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
5154 * reload.c (loc_mentioned_in_p): Add missing braces to bind
5157 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
5159 * gcc.c (option_map): Added --classpath and --CLASSPATH.
5161 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
5163 * regclass.c (fix_register): Add error message.
5164 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
5167 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5169 * c-decl.c (warn_missing_noreturn): New global variable.
5170 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
5171 (finish_function): Implement missing noreturn warning.
5173 * c-tree.h (warn_missing_noreturn): Declare extern.
5175 * invoke.texi: Document new flags.
5177 * toplev.c (documented_lang_options): Add description.
5179 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5181 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
5182 loop optimization stable for the C4x.
5183 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
5184 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
5185 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
5187 (c4x_address_conflict): Be more paranoid when packing a volatile
5188 memref in a parallel load/store.
5190 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5192 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
5193 repeat_block_filler): Deleted.
5194 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
5195 Condition code not set if destination register from 'c' class.
5196 (*subbqi3_carry_clobber): Fix typo.
5198 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5200 * reorg.c (steal_delay_list_from_target) Check for insns that
5201 modify the condition codes and effect the direction of the jump
5204 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
5206 * function.c (purge_addressof_1): Replace call to
5207 emit_insns_before() with emit_insn_before().
5209 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
5211 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
5213 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5215 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
5217 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
5219 * gcse.c (compute_hash_table): Correctly identify hard regs which are
5220 clobbered across calls.
5222 * loop.c (scan_loop): Be more selective about what invariants are
5223 moved out of a loop.
5225 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
5227 * version.c: Bump for snapshot.
5229 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
5231 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
5232 static eh_context structure.
5234 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5236 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
5238 (try_combine): Don't update max_scratch.
5239 * flow.c (max_scratch, num_scratch): Delete variables.
5240 (life_analysis_1): Don't initialize max_scratch.
5241 (propagate_block): Don't update max_scratch.
5242 (mark_set_1): Don't increment num_scratch.
5243 * regs.h (max_scratch): Delete declaration.
5245 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
5247 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
5248 is nonzero. This is temporary!
5250 * sched.c (update_flow_info): Handle death notes made invalid by
5251 instruction splitting. Partially reverts Oct 15, 1998 patch.
5252 * haifa-sched.c (update_flow_info): Likewise.
5254 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
5256 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
5257 if it has a nonzero DECL_INITIAL.
5259 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5261 * Makefile.in (flow.o): Depend on recog.h.
5263 * cpplib.h (directive_table): Add missing initializiers.
5264 (finclude): Change type of variable `bsize' to size_t.
5266 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
5268 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
5270 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
5271 `int' when comparing against one.
5272 (cpp_file_line_for_message): Mark parameter `pfile' with
5274 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
5276 * flow.c: Include recog.h.
5277 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
5279 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
5280 `f' with ATTRIBUTE_UNUSED.
5281 (reposition_prologue_and_epilogue_notes): Likewise.
5283 * genopinit.c (gen_insn): Cast argument of ctype functions to
5286 * haifa-sched.c: Include recog.h.
5287 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
5288 comparing against one.
5290 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
5292 * mips-tfile.c (parse_end): Cast the argument of ctype function to
5294 (parse_ent): Likewise.
5295 (parse_input): Likewise.
5297 * optabs.c (init_libfuncs): Likewise.
5299 * protoize.c (find_rightmost_formals_list): Likewise.
5301 * recog.h (const_double_operand): Fix typo in prototype.
5303 * tlink.c (scan_linker_output): Cast the argument of ctype
5304 function to `unsigned char'.
5306 * toplev.c (check_lang_option): Cast the result of `strlen' to
5307 `int' when comparing against one.
5309 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
5311 * gcse.c (dump_cuid_table): Correct typo.
5313 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
5315 * toplev.c (display_help): Prepend '-m' to target specific
5317 (check_lang_option): Ignore text after end of first word of a
5318 language specific option.
5320 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5322 * reload1.c (reg_used_by_pseudo): New static variable.
5323 (choose_reload_regs): Initialize it.
5324 Use it instead of testing spill_reg_order to determine whether a
5325 pseudo is live in a hard register across the current insn.
5326 Fix a typo in a reference to reload_reg_rtx.
5328 * flow.c (propagate_block): Replace code that computes and uses
5329 regs_sometimes_live with simpler code that just walks the set of
5330 currently live registers.
5332 * Makefile.in (insn-extract.o): Fix dependencies.
5333 * genextract.c (main): Generate includes for insn-config.h and
5335 Delete generation of declarations which are now in recog.h.
5336 * genrecog.c (main): Delete generation of definitions which are
5338 * local-alloc.c (block_alloc): Use extract_insn and the variables
5339 it sets up instead of looking up values by insn_code.
5340 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
5341 recog_dup_num): Define here instead of generating the definition in
5343 (recog_n_operands, recog_n_dups, recog_n_alternatives,
5344 recog_operand_mode, recog_constraints, recog_operand_address_p):
5346 (extract_insn): New function.
5347 * recog.h (extract_insn): Declare function.
5348 (which_alternative, recog_n_operands, recog_n_dups,
5349 recog_n_alternatives, recog_operand_mode, recog_constraints,
5350 recog_operand_address_p): Declare variables.
5351 * regclass.c (n_occurrences): New static function.
5352 * reload.c (n_occurrences): Delete function.
5353 (find_reloads): Use extract_insn.
5354 * reload.h (n_occurrences): Delete declaration.
5356 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
5358 * reload1.c (reload_as_needed): Fix test for when to call
5359 update_eliminable_offsets.
5361 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5363 Fix consistency problems with reg_equiv_{mem,address};
5364 Improve reload inheritance;
5366 * reload.c (reload_out_reg): New variable.
5367 (loc_mentioned_in_p, remove_address_replacements): New functions.
5368 (remove_replacements): Deleted.
5369 (push_reload): Set reload_out_reg[i].
5370 When merging, also set reload_{in,out}_reg[i], and remove
5371 duplicate address reloads.
5372 (combine_reloads): Copy reload_out_reg[i].
5373 (find_reloads): Do make_memloc substitution also when
5374 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
5376 Include *recog_operand_loc in commutativity operand changes.
5377 Generate optional output reloads.
5378 Delete reference to n_memlocs. Don't set *recog_operand_loc before
5379 processing operands. Call make_memloc in reg_equiv_address code.
5380 Set *recog_operand_loc only after processing operands, and only
5381 if replace is true. Return a value.
5382 When changing address reload types for operands that didn't get
5383 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
5384 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
5385 Don't emit USEs for pseudo SUBREGs when not replacing.
5386 (find_reloads_address): Do make_memloc substitution also when
5387 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
5389 (find_reloads_toplev): Likewise.
5390 Call make_memloc in reg_equiv_address code.
5391 (debug_reload_to_stream): Add code to output reload_out_reg.
5392 (make_memloc): Delete local variable i, ifdefed out code, and
5393 references to memlocs and n_memlocs.
5394 (memlocs, n_memlocs): Delete.
5395 (push_secondary_reload): Clear reload_out_reg.
5396 (find_reloads_address_1): Provide memrefloc argument to all calls
5397 to find_reloads_address.
5398 In AUTO_INC code, handle non-directly addressable equivalences properly.
5399 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
5400 (find_reloads): Add return type.
5401 (remove_address_replacements, deallocate_reload_reg): Declare.
5402 * reload1.c (num_not_at_initial_offset): No longer static.
5403 (delete_address_reloads, delete_address_reloads_1): Likewise.
5404 (deallocate_reload_reg): New function.
5405 (spill_reg_stored_to): New array.
5406 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
5407 (eliminate_regs_in_insn): Move assignments of previous_offset and
5408 max_offset fields, and recalculation of num_not_at_initial_offset
5409 into new static function:
5410 (update_eliminable_offsets) .
5411 (reload_as_needed): Call update_eliminable_offsetss after calling
5413 Call forget_old_reloads_1 with contents of reloaded auto_inc
5414 expressions if the actual addressing can't be changed to match the
5416 (choose_reload_regs): For inheritance, replace
5417 reload_reg_free_before_p test with reload_reg_used_at_all test, and
5418 remove stand-alone reload_reg_used_at_all test.
5419 Use reload_out_reg to determine which reload regs have output reloads.
5420 Treat reload_override_in more similar to inherited reloads.
5421 Handle (subreg (reg... for inheritance.
5422 For flag_expensive_optimizations, add an extra pass to remove
5423 unnecessary reloads from known working inheritance.
5424 Delete obsolete code for pseudos replaced with MEMs.
5425 Handle inheritance from auto_inc expressions.
5426 (emit_reload_insns): If reload_in is a MEM, set OLD to
5428 Don't reload directly from oldequiv; if it's a pseudo with a
5429 stack slot, use reload_in[j].
5430 Check that reload_in_reg[j] is a MEM before replacing reload_in
5431 from reg_reloaded_contents.
5432 Include non-spill registers in reload inheritance processing.
5433 Also try to use reload_out_reg to set spill_reg_store /
5434 reg_last_reload_reg.
5435 In code to set new_spill_reg_store, use single_set to find out if
5436 there is a single set.
5437 Add code that allows to delete optional output reloads.
5438 Add code to allow deletion of output reloads that use no spill reg.
5439 At the end, set reload_override_in to oldequiv.
5440 Also call delete_output_reload if reload_out_reg is equal to old
5442 Add code to call delete_output_reload for stores with no matching load.
5443 Set / use spill_reg_stored_to.
5444 Handle case where secondary output reload uses a temporary, but
5445 actual store isn't found.
5446 When looking for a store of a value not loaded in order to call
5447 delete_output_reload, count_occurences should return 0 for no
5448 loads; but discount inherited input reloadill_reg_stored_to.
5449 Do checks for extra uses of REG. Changed all
5451 Use delete_address_reloads.
5452 (reload): Take return value of find_reloads into account.
5453 If a no-op set needs more than one reload, delete it.
5454 (reload_reg_free_before_p): RELOAD_FOR_INPUT
5455 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
5456 for the same operand.
5457 (clear_reload_reg_in_use): Check for other reloads that keep a
5459 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
5460 RELOAD_FOR_OPADDR_ADDR.
5461 Take into account when an address address reload is only needed
5462 for the address reload we are considering.
5463 (count_occurrences): Use rtx_equal_p for MEMs.
5464 (inc_for_reload): Return instruction that stores into RELOADREG.
5465 New argument two, IN, and rtx. Changed all callers.
5466 (calculate_needs_all_insns, reload_as_needed):
5467 Don't clear after_call for a CLOBBER.
5468 Keep track of how many hard registers need to be copied from
5469 after_call, and don't clear after_call before we have seen
5470 that much copies, or we see a different instruction.
5472 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
5474 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
5475 after reload has completed.
5477 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
5479 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
5480 a macro name and the next token with a single blank if that whitespace
5481 is in a macro buffer and the next token is not '('.
5483 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
5485 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
5487 (skip_if_group): Ditto.
5488 (skip_to_end_of_comment): Ditto.
5490 (discard_comments): Ditto.
5491 (change_newlines): Ditto.
5493 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
5495 * c-lex.c (yylex): Fix unaligned access of wchar_t.
5497 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
5499 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
5500 (TARGET_OPTIONS): Add --help documentation.
5502 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5504 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
5506 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
5508 * fixinc/* Moved in from ../contrib directory in preparation
5509 for integrating it into the normal build process. In particular,
5510 fixinc/Makefile.in must be config-ed into the build directory
5511 as fixinc/Makefile. Proposed patches to ./Makefile.in and
5512 ./configure.in will be "in the mail" momentarily.
5514 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
5516 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
5517 accidently walk into the free list. Comment how that can happen.
5518 (invalidate): Fix indentation.
5520 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5521 Jeffrey A Law (law@cygnus.com)
5523 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
5524 reload. Never perform rescans of the insn chain after reload.
5525 (propagate_block): Do not delete insn or create new autoinc addressing
5528 * jump.c (jump_optimize): Unconditionally use the code that was
5529 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
5530 * reload1.c (reload): When reloading is finished, delete all
5531 REG_DEAD and REG_UNUSED notes.
5532 (emit_reload_insns): Delete all code that was conditional on
5533 PRESERVE_DEATH_INFO_REGNO_P.
5534 (no_longer_dead_regs): Delete variable.
5535 (reload_cse_delete_death_notes): Delete function.
5536 (reload_cse_no_longer_dead): Delete function.
5537 (reload_cse_regs_1): Delete all code to handle deletion of death
5539 (reload_cse_noop_set_p): Likewise.
5540 (reload_cse_simplify_set): Likewise.
5541 (reload_cse_simplify_operands): Likewise.
5542 (reload_cse_move2add): Likewise.
5543 * reorg.c (used_spill_regs): Delete declaration.
5544 (max_label_num_after_reload): Delete declaration.
5545 (find_dead_or_set_registers): Don't assume that spill regs are
5546 dead at a CODE_LABEL.
5547 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
5549 * sched.c (sched_analyze_insn): Likewise.
5550 (update_flow_info): Likewise.
5551 * haifa-sched.c (sched_analyze_insn): Likewise.
5552 (update_flow_info): Likewise.
5553 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
5554 * toplev.c (max_label_num_after_reload): Delete variable.
5555 (rest_of_compilation): Don't set max_label_num_after_reload.
5556 Call life_analysis after reload_cse_regs if optimizing.
5557 * config/gmicro/gmicro.h: Delete comment referring to
5558 PRESERVE_DEATH_INFO_REGNO_P.
5559 * config/i386/i386.h: Likewise.
5560 * config/m88k/m88k.h: Likewise.
5561 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
5562 * config/sh/sh.h: Likewise.
5564 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
5566 * loop.c (strength_reduce): Restore marking bct_p as
5568 * rs6000.c (optimization_options): Change #ifdef HAIFA to
5569 HAVE_decrement_and_branch_on_count.
5570 (small_data_operand): Remove TARGET_ELF condition for marking
5571 parameters ATTRIBUTE_UNUSED.
5573 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
5575 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
5576 (SELECT_SECTION): Resync with svr4.h.
5578 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
5580 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
5583 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
5585 * c-pragma.c (handle_pragma_token): Test for null tree before
5586 dereferencing TREE_CODE.
5588 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5590 * config/c4x/c4x.c: Convert to use GEN_INT.
5591 (c4x_parallel_process): Rework to handle new repeat loop structure.
5593 * config/c4x/c4x.md: Convert to use GEN_INT.
5594 (rptb_end): Convert to use GE test. Replace uses with clobbers.
5595 (decrement_and_branch_on_count): Likewise.
5597 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
5598 loop.c has the desired functionality.
5599 (rc_reg_operand): New prototype.
5601 * config/c4x/t-c4x: Can now build all front ends.
5603 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
5605 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
5607 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
5609 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
5610 * config/t-rtems: Do not install assert.h -- use newlib's.
5612 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5614 * combine.c (combine_instructions): When finished, call init_recog.
5615 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
5617 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
5619 * toplev.c: If flag_syntax_only, don't open or write assembler file.
5621 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5623 * cppalloc.c (memory_full): Mark function prototype with
5626 * demangle.h (collect_exit): Likewise.
5628 * fix-header.c (v_fatal, fatal): Likewise.
5630 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
5633 * gcov.c (print_usage): Likewise.
5635 * genattr.c (fatal, fancy_abort): Likewise.
5637 * genattrtab.c (fatal, fancy_abort): Likewise.
5639 * gencodes.c (fatal, fancy_abort): Likewise.
5641 * genconfig.c (fatal, fancy_abort): Likewise.
5643 * genemit.c (fatal, fancy_abort): Likewise.
5645 * genextract.c (fatal, fancy_abort): Likewise.
5647 * genflags.c (fatal, fancy_abort): Likewise.
5649 * genopinit.c (fatal, fancy_abort): Likewise.
5651 * genoutput.c (fatal, fancy_abort): Likewise.
5653 * genpeep.c (fatal, fancy_abort): Likewise.
5655 * genrecog.c (fatal, fancy_abort): Likewise.
5657 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
5658 __sjpopnthrow, __throw): Likewise.
5660 * objc/objc-act.c (objc_fatal): Likewise.
5662 * protoize.c (usage, aux_info_corrupted,
5663 declare_source_confusing): Likewise.
5665 * rtl.c (dump_and_abort): Likewise.
5667 * rtl.h (sets_cc0_p): Likewise.
5669 * toplev.c (float_signal, pipe_closed): Likewise.
5671 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
5673 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
5674 when generating the decision tree for the general case.
5676 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
5677 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
5679 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5681 * Makefile.in (sched.o): Depend on recog.h.
5683 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
5684 (unsigned) when comparing against one.
5685 (find_base_value): Likewise.
5686 (record_base_value): Cast variable `regno' to (unsigned) when
5687 comparing against one. Cast the result of REGNO() macro to
5688 (unsigned) when comparing against one.
5689 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
5691 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
5692 variable where an unsigned index is needed.
5694 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
5695 before comparing against one.
5697 * collect2.c: Add prototypes for functions `error', `fatal' and
5698 `fatal_perror'. Make these functions take variable arguments
5699 instead of faking it with a fixed number of args.
5700 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
5703 * combine.c (can_combine_p): Mark parameter `pred' with
5705 (find_split_point): Cast variable `src' to (unsigned
5706 HOST_WIDE_INT) when comparing against one.
5707 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
5708 (simplify_logical): Likewise.
5709 (force_to_mode): Cast result of INTVAL() macro to (unsigned
5710 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
5711 HOST_WIDE_INT) in shift.
5712 (simplify_and_const_int): Cast result of INTVAL() macro to
5713 `unsigned HOST_WIDE_INT' when comparing against one.
5714 (merge_outer_ops): Cast variable const0 to `unsigned
5715 HOST_WIDE_INT' when comparing against the result of
5716 GET_MODE_MASK() macro.
5717 (simplify_comparison): Likewise for variable `c0'. Cast variable
5718 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
5719 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
5720 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
5721 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
5722 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
5723 comparing against one.
5724 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
5726 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
5727 macro to `unsigned HOST_WIDE_INT' when comparing against one.
5728 (output_block_move): Cast `sizeof' expression to (int) when
5729 comparing against one.
5730 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
5732 (save_restore_insns): Cast `base_offset' to `long' to match format
5733 specifier in fprintf.
5735 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
5736 to `enum machine_mode'.
5738 * flow.c (life_analysis_1): Remove unused variable `insn'.
5740 * gcc.c (translate_options): Move variables `j' and `k' into the
5741 scope in which they are used. Change their types to `size_t'.
5742 (set_spec): Cast the argument of ctype macro to `unsigned char'.
5743 (read_specs): Likewise.
5744 (process_command): Cast `sizeof' to (int) when comparing against one.
5745 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
5746 (handle_braces): Cast both sides of `==' expression to `long' to
5747 ensure sign matching.
5748 (main): Cast variable `i' to `int' when comparing against one.
5750 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
5751 int to size_t. Cast variable `i' to size_t when comparing against
5754 * genattrtab.c (convert_set_attr_alternative): Remove unused
5755 parameter `insn_code'. All callers changed.
5756 (convert_set_attr): Likewise.
5758 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
5759 size_t when comparing against one. Likewise for variable `len'.
5761 * global.c (global_alloc): Cast variable `max_regno' to size_t
5762 when comparing against one. Likewise for variable `max_allocno'.
5764 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
5766 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
5767 `set' with ATTRIBUTE_UNUSED.
5768 (find_free_reg): Cast `sizeof' expression to (int) when comparing
5771 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
5772 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
5773 (get_condition): Cast variable `const_val' to `unsigned
5774 HOST_WIDE_INT' when comparing against one. Cast unsigned
5775 expression to HOST_WIDE_INT when comparing against one.
5776 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
5777 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
5778 `unsigned' when comparing against one.
5780 * protoize.c (is_id_char): Change type of parameter `ch' to
5782 (munge_compile_params): Cast argument of ctype macro to (const
5784 (process_aux_info_file): Cast variable `aux_info_size' to int when
5785 comparing against one.
5786 (forward_to_next_token_char): Cast argument of ctype macro to
5787 `const unsigned char'.
5788 (edit_formals_lists): Likewise.
5789 (find_rightmost_formals_list): Likewise.
5790 (add_local_decl): Likewise.
5791 (add_global_decls): Likewise.
5792 (edit_fn_definition): Likewise.
5793 (do_cleaning): Likewise.
5794 (scan_for_missed_items): Likewise.
5795 (edit_file): Cast variable `orig_size' to (int) when comparing
5797 (main): Cast argument of ctype macro to `const unsigned char'.
5799 * recog.c (const_int_operand): Mark parameter `mode' with
5802 * regclass.c (record_reg_classes): Change type of variable `c' to
5803 `unsigned char'. Cast `char' array index to `unsigned char'.
5805 * reload.c (push_secondary_reload): Cast argument to
5806 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
5808 * reload1.c (calculate_needs): Cast `char' array index to
5810 (set_label_offsets): Change type of variable `i' to unsigned int.
5811 Cast result of XVECLEN() macro to unsigned when comparing against
5813 (mark_not_eliminable): Change type of variable `i' to unsigned.
5814 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
5815 when comparing against one.
5816 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
5817 comparing against one.
5818 (choose_reload_regs): Hide unused label `fail'.
5819 (reload_cse_simplify_operands): Cast `char' array index to
5821 (reload_combine_note_store): Mark parameter `set' with
5822 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
5824 (reload_cse_move2add): Remove unused variable `src2'.
5826 * sched.c: Include recog.h.
5827 (sched_note_set): Remove unused parameter `b'. All callers
5829 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
5830 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
5831 when comparing against one.
5833 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
5834 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
5835 comparing against one.
5837 * unroll.c (precondition_loop_p): Remove unused parameter
5838 `loop_end'. All callers changed.
5840 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5842 * reload1.c (maybe_fix_stack_asms): New static function.
5845 * reload.h (compute_use_by_pseudos): Declare.
5847 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
5848 (something_needs_reloads): Delete variable.
5849 (finish_spills): New function.
5850 (compute_use_by_pseudos): New function.
5852 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
5853 Use the reload_insn_chain instead of walking the rtl directly.
5855 (reload): Allocate and free spilled_pseudos.
5856 Ensure that all calls of spill_hard_reg are followed by a call to
5858 Use the insns_need_reload list instead of something_needs_reloads
5859 to find out if reload_as_needed must be called.
5860 Clear unused_insn_chains at the end.
5862 (calculate_needs_all_insns): Lose FIRST parameter. All callers
5864 Delete code to keep track of current basic block.
5865 Walk reload_insn_chain instead of the rtl structure. Build the
5866 insns_need_reload chain.
5867 Remember which insns need reloading/elimination by setting the
5868 appropriate fields in struct insn_chain, not by putting modes on the
5871 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
5872 arg INSN. All callers changed.
5873 Delete declaration of struct needs.
5874 Don't set something_needs_reloads.
5875 Record insn needs in the CHAIN argument.
5877 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
5879 (reload_as_needed): Lose FIRST arg. All callers changed.
5880 Walk the reload_insn_chain instead of the rtx structure.
5881 Delete code to keep track of current basic block.
5882 Rename one of the NEXT variables to OLD_NEXT.
5884 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
5886 (choose_reload_regs): Likewise.
5888 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
5891 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
5892 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
5893 (hard_regs_live, hard_regs_need_restore): Delete variables.
5894 (n_regs_saved): Now static.
5895 (referenced_regs, this_insn_sets): New variables.
5897 (setup_save_areas): Restructure the code a bit.
5899 (restore_referenced_regs): Delete function.
5900 (mark_referenced_regs): New function, similar to the old
5901 restore_referenced_regs, but mark registers in referenced_regs.
5903 (clear_reg_live): Delete function.
5904 (mark_set_regs): Renamed from set_reg_live. All callers changed.
5905 Only mark registers in this_insn_sets.
5907 (save_call_clobbered_regs): Rework this function to walk the
5908 reload_insn_chain instead of using the list of instructions directly.
5909 Delete code to keep track of register lives, compute live regs on the
5910 fly from information in the chain.
5911 Instead of calling restore_referenced_regs, use mark_referenced_regs,
5912 then walk the set it computes and call insert_restore as appropriate.
5914 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
5916 Restructure the code a bit. Test hard_regs_saved instead of
5917 hard_regs_need_restore.
5918 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
5919 args. All callers changed.
5920 Restructure the code a bit. Use TO_SAVE to determine which regs to
5921 save instead of more complicated test.
5922 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
5924 Create a new insn_chain structure for the new insn and place it
5927 * rtl.texi: Update documentation to reflect that reload no longer
5928 puts modes on the insns.
5930 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
5932 * function.c (purge_addressof_1): Force the first argument of a
5933 CALL insn to memory.
5935 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
5937 * rtl.h: Delete duplicate prototypes. Add some missing
5939 * rtlanal.c: (for_each_rtx): Formatting tweak.
5941 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5943 * real.c (emdnorm and etoasc): Disable round to even for c4x target
5944 to be compatible with TI compiler.
5946 * Makefile.in (USER_H): Add va-c4x.h to definition.
5948 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
5950 * function.c (purge_addressof_1): Fix typo in inequality: do
5951 bitfield optimization for equal mode sizes.
5952 * expmed.c (store_bit_field): Don't take subregs of subregs in
5953 the movstrict case. Tidy a potential problem in the multi-word case.
5954 (extract_bit_field): Likewise.
5956 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5958 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
5960 Compute max_uid_for_flow by calling get_max_uid after the scan.
5961 (find_basic_blocks_1): Don't emit NOPs here.
5963 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
5965 * alias.c (base_alias_check): Accept new args for the modes of the
5966 two references. Use them to determine if an AND can overlap. Update
5968 (memrefs_conflict_p): Assume sizes are aligned, and uses them
5969 to determine if an AND can overlap.
5971 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
5973 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
5974 check. Add comment to document problems with TARGET_SUN_FPA version
5976 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
5978 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5980 * Makefile.in (gencheck.o): Depend on gansidecl.h.
5982 * c-common.c (print_char_table): Add missing initializers.
5983 (scan_char_table): Likewise.
5984 (time_char_table): Likewise.
5986 * c-decl.c (c_decode_option): Mark parameter `argc' with
5988 (declare_parm_level): Mark parameter `definition_flag' with
5991 * c-lex.c (readescape): Use `(unsigned)1' in shift.
5992 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
5995 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
5997 (emit_call_1): Mark parameters `fndecl' and `funtype' with
5999 (expand_call): Cast result of MIN() to (unsigned int) when
6000 comparing against an unsigned value.
6002 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
6004 (make_definition): Remove unused parameter `op'. All callers
6006 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
6007 comparing against the result of pointer arithmetic.
6009 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
6010 when comparing against one.
6012 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
6013 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
6015 (output_die): Move variable `i' into the scope in which it is
6016 used. Change its type to `unsigned'.
6017 (output_die): Cast the result of `strlen' to (int) when passing it
6018 to ASM_OUTPUT_ASCII().
6019 (output_pubnames): Likewise.
6020 (output_line_info): Likewise.
6022 * emit-rtl.c (global_rtl): Add missing initializers.
6024 * explow.c (promote_mode): Mark parameter `for_call' with
6027 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
6028 `unsigned HOST_WIDE_INT' when comparing against one.
6029 (synth_mult): Change type of variable `cost' to int.
6030 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
6032 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
6033 when comparing against one.
6034 (get_inner_reference): Change variable `alignment' to unsigned.
6035 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
6036 int) when comparing against one.
6037 (expand_builtin_setjmp): Change type of variable `i' to size_t.
6039 * fold-const.c (div_and_round_double): Cast BASE to
6040 (HOST_WIDE_INT) when comparing against one.
6042 * gencheck.c: Include gansidecl.h.
6043 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
6045 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
6046 `tcode' with ATTRIBUTE_UNUSED.
6048 * real.c (edivm): Cast constant value to (unsigned long) in
6049 expression compared against an unsigned value.
6051 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
6052 comparing against one.
6053 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
6054 when comparing against one.
6056 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
6057 (unsigned int) when comparing against one. Likewise for
6059 (smallest_mode_for_size): Likewise.
6060 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
6061 (restore_storage_status): Likewise.
6063 * toplev.c (debug_args): Add missing initializer.
6064 (f_options): Spelling correction. Add missing initializers.
6065 (documented_lang_options): Likewise.
6066 (debug_end_source_file): Mark parameter `lineno' with
6069 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
6070 `decl' and `type' with ATTRIBUTE_UNUSED.
6072 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
6073 when comparing against one.
6074 (assemble_variable): Mark parameter `top_level' with
6076 (assemble_external_libcall): Mark parameter `fun' with
6078 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
6081 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
6083 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
6084 Replace use of r5 with use of r19.
6086 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
6088 * config/v850/v850.c (compute_register_save_size): Allow for the
6089 fact that helper functions save all registers, not just those used
6092 Replace constant 31 with macro LINK_POINTER_REGNUM.
6094 * config/v850/v850.md: Use 'indirect_operand' rather than
6095 'memory_operand' for bit test/set/clear patterns.
6097 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
6099 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
6100 * varasm.c (assemble_start_function et al): Don't call
6101 ASM_GLOBALIZE_LABEL for weak symbols.
6103 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
6105 * cse.c (equiv_constant): Check for NULL return from
6106 gen_lowpart_if_possible().
6108 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
6110 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
6112 * collect2.c (main): Pass -EL/-EB through to the compiler.
6114 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6116 * expr.c (push_block): Handle targets where the stack grows
6117 to higher addresses, but args grow to lower addresses and
6118 ACCUMULATE_OUTGOING_ARGS is not defined.
6120 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
6122 * config/v850/v850.c (print_operand): Extend meaning
6123 of 'c' operands to support .vtinherit.
6125 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6127 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
6128 Added ATTRIBUTE_UNUSED to unused function arguments.
6129 (rc_reg_operand): New predicate.
6130 (c4x_rptb_insert): New function.
6131 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
6132 (c4x_optimization_options): New function.
6134 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
6135 (decrement_and_branch_on_count): New pattern.
6136 (rptb_top): Modified pattern to work with BCT optimization.
6138 * config/c4x/c4x.h (RC_REG): New register class.
6139 (rc_reg_operand): Define prototype.
6140 (IS_RC_REG): New macro.
6141 (IS_RC_OR_PSEUDO_REG): New macro.
6142 (IS_RC_OR_PSEUDO_REGNO): New macro.
6143 (OPTIMIZATION_OPTIONS): Define.
6145 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
6147 * collect2.c (extract_init_priority): No priority is 65535.
6149 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6151 * Makefile.in (build_tooldir): new variable, same as old
6152 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
6153 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
6154 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
6156 * configure.in (gxx_include_dir): set default based on unlibsubdir
6157 * Makefile.in (tooldir): ditto
6158 (cccp.o, cpplib.o): use unlibsubdir implicitly through
6159 gxx_include_dir, includedir and tooldir
6160 (protoize.o, unprotoize.o): ditto
6162 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
6164 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
6166 * config/arm/thumb.c (thumb_override_options): Add warning about
6167 PIC code not being supported just yet.
6169 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
6171 * flow.c: Update comment.
6172 (notice_stack_pointer_modification): New static function.
6173 (record_volatile_insns): Use it.
6174 (mark_regs_live_at_end): Mark the stack pointer as alive
6175 at the end of the function if current_function_sp_is_unchanging
6177 (life_analysis_1): Set current_function_sp_is_unchanging.
6178 * function.c: Define it.
6179 (init_function_start): Initialize it.
6180 * output.h: Declare it.
6181 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
6182 the stack pointer as alive at the end of the function if
6183 current_function_sp_is_unchanging is set.
6184 * i386.c (ix86_epilogue): Optimize the restoring
6185 of the stack pointer.
6187 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
6189 * version.c: Bump for snapshot.
6191 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
6193 * c-pragma.c (handle_pragma_token): If passed a token instead
6194 of a tree, use that as the pack value.
6196 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
6198 * flow.c (find_basic_blocks_1): Fix prototype.
6200 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
6202 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
6203 (struct tree_decl): New fields no_check_memory_usage.
6204 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
6205 (init_attributes): Register it as a new attribute.
6206 (decl_attributes): Set flags on functions given that attribute.
6207 * c-decl.c (duplicate_decls): Merge new attribute.
6208 * expr.h (current_function_check_memory_usage): Declare new var.
6209 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
6210 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
6211 current_function_check_memory_usage.
6212 * function.h: Add field to struct function.
6213 * function.c (current_function_check_memory_usage): Define it.
6214 (push_function_context_to, pop_function_context_from): Save and
6216 (expand_function_start): Set it, based on global flag and function
6219 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
6220 check non-automatic variables, to permit detection of writes to
6221 read-only locations in embedded systems without memory management.
6222 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
6223 when emitting chkr_set_right_libfunc call, even if the argument is
6224 BLKmode or variable-sized; don't abort.
6226 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
6227 symbols in Pmode, not VOIDmode.
6229 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
6231 * cppexp.c: When forcing unsigned comparisons, cast both sides
6234 * cpphash.h: Move static declaration of hashtab[]...
6235 * cpphash.c: ...here.
6237 * cpplib.c: Cast difference of two pointers to size_t before
6238 comparing it to size_t. Cast signed to unsigned
6239 before comparing to size_t. (FIXME: struct argdata should use
6240 unsigned buffer sizes.)
6241 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
6242 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
6243 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
6244 size_t before comparison.
6246 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
6248 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
6249 (find_basic_blocks_1): Similarly.
6250 * output.h (find_basic_blocks): Fix prototype.
6251 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
6252 find_basic_blocks anymore.
6254 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
6256 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
6257 (sbitmap_free, sbitmap_vector_free): New macros.
6258 * output.h (rtl_dump_file): Declare.
6260 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
6262 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
6264 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6266 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
6268 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
6269 (divide): Remove unused variable `tmp'.
6270 (si_to_float): Cast numeric constant to (SItype) before comparing
6273 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
6275 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
6276 * gcc.c (add_preprocessor_option): Correct typo when allocating
6277 memory, sizeof() argument had one too many `*'.
6278 (add_assembler_option): Likewise.
6279 (add_linker_option): Likewise.
6280 * gcov.c (output_data): Likewise.
6281 * local-alloc.c (memref_used_between_p): Likewise.
6282 (update_equiv_regs): Likewise.
6283 * loop.c (strength_reduce): Likewise.
6284 * reg-stack.c (record_asm_reg_life): Likewise.
6285 (subst_asm_stack_reg): Likewise.
6286 * reorg.c (dbr_schedule): Likewise.
6288 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
6290 * flow.c (life_analysis_1): Break out some functions.
6291 (find_basic_blocks_1): Likewise. Also move some variables out and
6293 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
6294 new static var nonlocal_label_list with it.
6295 (active_eh_region, nested_eh_region, label_value_list,
6296 nonlocal_label_list): New static variables.
6297 (make_edges, delete_unreachable_blocks, delete_block): New static
6298 functions, broken out of find_basic_blocks_1.
6299 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
6300 noop_move_p): New static functions, broken out of life_analysis_1.
6302 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
6304 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
6305 Take extra care for op0 now possibly being a subreg.
6306 (extract_bit_field): Likewise.
6307 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
6308 the reg to memory if there is no equal sized integral mode.
6309 * stor-layout.c (int_mode_for_mode): New function.
6310 * machmode.h: Prototype it.
6312 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
6314 * global.c (build_insn_chain): Verify no real insns exist past the
6315 end of the last basic block, then exit the loop.
6317 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
6319 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
6321 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
6323 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
6325 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
6327 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
6329 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
6331 * flow.c (find_basic_blocks): Correctly determine when a call
6332 is within an exception region.
6334 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
6336 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
6338 * cpplib.h: Protect from multiple inclusions.
6339 * cpplib.c: Fix minor formatting problems.
6341 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
6343 * jump.c (jump_optimize): Revert accidental patch.
6345 * Makefile.in (cpplib.o): Use unlibsubdir.
6347 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
6349 * loop.c (get_condition): Allow combine when either compare is
6352 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
6354 * version.c: Bump for snapshot.
6356 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
6358 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
6359 (init_lex): Initialize ridpointers[RID_BYREF].
6360 * c-lex.h (enum rid): Add RID_BYREF.
6361 * c-parse.gperf: Add RID_BYREF as a type qualifier.
6362 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
6363 (encode_type_qualifiers): Similarly
6364 * c-gperf.h: Rebuilt.
6366 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
6368 * c-common.c (type_for_mode): Only return TItype nodes when
6369 HOST_BITS_PER_WIDE_INT is >= 64 bits.
6370 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
6371 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
6372 (init_decl_processing): Only create TItype nodes when
6373 HOST_BITS_PER_WIDE_INT is >= 64 bits.
6374 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
6375 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
6377 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
6379 * stmt.c (n_occurrences): New static function.
6380 (expand_asm_operands): Verify that all constrains match in the
6381 number of alternatives.
6382 Verify that '+' or '=' are at the beginning of an output constraint.
6383 Don't allow '&' for input operands.
6384 Verify that '%' isn't written for the last operand.
6385 * reload.c (find_reloads): Abort if an asm is found with invalid
6386 constraints; all possible problems ought to be checked for earlier.
6388 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6390 * flags.h (flag_branch_on_count_reg): Always declare
6391 * toplev.c (flag_branch_on_count_reg): Likewise.
6392 * toplev.c: Fix typos.
6394 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
6397 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
6399 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
6401 (find_basic_blocks_1): Add a nop to the end of a basic block when
6402 a trailing call insn does not have abnormal control flow.
6403 * gcse.c (pre_transpout): New variable.
6404 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
6405 (compute_pre_transpout): Calculate it.
6406 (compute_pre_ppinout): Use it to eliminate impossible placements
6407 due to abnormal control flow through calls.
6408 (compute_pre_data): Call compute_pre_transpout.
6410 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6412 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
6414 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
6416 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
6417 and matching define_insns): Tack on a `use' of the table label, so
6418 flow analysis will recognize a tablejump.
6420 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
6422 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
6423 always end basic blocks for abnormal edge reasons.
6425 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
6427 * config/i386/i386.h: Remove definition of
6428 HANDLE_PRAGMA_PACK_PUSH_POP.
6430 * config/i386/go32.h: Add definition of
6431 HANDLE_PRAGMA_PACK_PUSH_POP.
6433 * config/i386/win32.h: Add definition of
6434 HANDLE_PRAGMA_PACK_PUSH_POP.
6436 * config/i386/cygwin32.h: Add definition of
6437 HANDLE_PRAGMA_PACK_PUSH_POP.
6439 * c-pragma.c (insert_pack_attributes): Do not insert
6440 attributes unless #pragma pack(push,<n>) is in effect.
6442 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
6444 * expr.c (emit_group_store): Handle a PARALLEL destination.
6446 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
6448 * gcse.c (pre_insert_insn): When a call ends a bb, insert
6449 the new insns before the argument regs are loaded.
6451 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6453 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
6454 (c-parse.gperf): Update comments describing invocation flags.
6455 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
6457 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
6459 * reload1.c (reload): Call free before clobbering the memory
6460 locations or constants pointers.
6462 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6464 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
6465 for efficiency by checking whether we need to modify the current
6466 stack permission at all.
6467 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
6468 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
6469 __enable_execute_stack libcall here too if
6470 TRANSFER_FROM_TRAMPOLINE is defined.
6471 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
6474 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
6476 * Makefile.in (DRIVER_DEFINES): Remove last change.
6478 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
6480 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
6481 insns we're going to copy.
6482 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
6484 * loop.c (count_one_set): Add prototype.
6486 * caller-save.c (restore_referenced_regs): Lose mode argument.
6487 (insert_save): Lose mode argument.
6488 (insert_restore): Lose mode argument.
6489 (insert_one_insn): Lose mode argument.
6490 (save_call_clobbered_regs): Lose mode argument.
6491 (setup_save_areas): Take no argument and return void. All callers
6493 Don't verify validity of memory addresses.
6494 * reload.h (setup_save_ares): Adjust prototype.
6495 (save_call_clobbered_regs): Likewise.
6496 * reload1.c (delete_caller_save_insns): New function.
6497 (caller_save_spill_class): Delete variable.
6498 (caller_save_group_size): Delete variable.
6499 (reload): Call setup_save_areas and save_call_clobbered_regs
6500 in the main loop, before calling calculate_needs_all_insns.
6501 Don't call save_call_clobbered_regs after the loop.
6502 Call delete_caller_save_insns at the end of an iteration if
6504 Delete code to manage caller_save_spill_class.
6505 Emit the final note before setting reload_first_uid.
6506 Simplify test that determines whether reload_as_needed gets run.
6507 (calculate_needs): Delete code to manage caller_save_spill_class.
6509 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
6511 * collect2.c (main): Initialize ld_file_name.
6513 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
6515 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
6516 check for flag_function_sections.
6518 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6520 * cse.c (insert_regs): Fix bug in Sep 24 change.
6522 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6524 * flags.h (flag_dump_unnumbered): Declare.
6525 * toplev.c (flag_dump_unnumbered): Don't declare.
6526 * print-rtl.c (flags.h): Include.
6527 (print_rtl_single): Add return value.
6528 * rtl.h (print_rtl_single): Update declaration.
6529 * flow.c (flag_dump_unnumbered): Don't declare.
6530 (print_rtl_with_bb): Use return value of print_rtl_single.
6532 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
6534 * loop.c (count_one_set): New static function, broken out of
6536 (count_loop_regs_set): Call it.
6537 * global.c (mark_reg_store): Handle clobbers here by not calling
6539 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
6540 is in fact a clobber.
6541 * integrate.c (process_reg_param): New function, broken out of
6542 expand_inline_function.
6543 (expand_inline_function): Call it.
6546 * i386.md (addsidi3_1): Delete unused variable temp.
6547 (addsidi3_2): Likewise.
6548 (clstrstrsi): Delete unused variable addr1.
6550 * rtl.h: Don't declare any functions also declared in recog.h.
6552 * Makefile.in (stupid.o): Update dependencies.
6553 (global.o): Likewise.
6555 * global.c: Include reload.h
6556 (reg_becomes_live): New function.
6557 (reg_dies): New function.
6558 (build_insn_chain): New function.
6559 (global_alloc): Call build_insn_chain before calling reload.
6561 * reload.h (struct needs): New structure definition.
6562 (struct insn_chain): Likewise.
6563 (reload_insn_chain): Declare variable.
6564 (new_insn_chain): Declare function.
6567 * reload1.c (reload_startobj): New variable.
6568 (reload_insn_chain): New variable.
6569 (unused_insn_chains): New variable.
6570 (new_insn_chain): New function.
6571 (init_reload): Initialize reload_startobj, not reload_firstobj.
6572 (reload): Initialize reload_firstobj.
6573 Before returning, free everything on the reload_obstack.
6575 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
6576 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
6577 current_chain): New variables.
6578 (reg_where_born): Delete variable.
6579 (REG_WHERE_BORN): New macro.
6580 (find_clobbered_regs): New function.
6581 (stupid_life_analysis): Don't allocate/free reg_where_born.
6582 Allocate and free reg_where_born_exact, reg_where_born_clobber,
6583 reg_where_dead_chain.
6584 Use REG_WHERE_BORN instead of reg_where_born.
6585 While processing the insns, build the reload_insn_chain with
6586 information about register lifetimes.
6587 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
6588 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
6590 Compute and information about birth and death of pseudo registers in
6591 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
6592 Delete code to set elements of reg_where_born.
6594 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
6596 * tree.def (GOTO_EXPR): Modified documentation.
6597 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
6600 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
6602 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
6603 loop_final_value, loop_comparison_code): No longer static.
6604 (unroll_loop): Delete loop_start_value update.
6605 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
6606 loop_final_value, loop_comparison_code): Extern.
6607 (loop_start_value): Delete extern.
6608 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
6609 loop_comparison_value, loop_comparison_code): Delete.
6610 (loop_optimize): Remove initialization for deleted variables.
6611 (strength_reduce): Delete analyze_loop_iterations call. Only call
6612 insert_bct if flag_branch_count_on_reg set.
6613 (analyze_loop_iterations): Delete.
6614 (insert_bct): Remove iteration count calculation. Move checks for
6615 viable BCT optimization to here. Obtain iteration count from
6616 loop_iterations and correct for unrolling. Check for enough
6617 iteration to be beneficial. Comment out runtime iteration count
6619 (insert_bct): Print iteration count in dump file. Remove
6620 loop_var_mode and use word_mode directly.
6622 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
6623 * rs6000.c (rs6000_override_options): Use it.
6624 (optimization_options): Enable use of flag_branch_on_count_reg.
6625 * rs6000.md (define_function_unit): Describe 604e.
6627 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6629 * loop.c (move_movables): Corrected threshold calculation for
6630 moved_once registers.
6632 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
6634 * loop.c (combine_givs_p): Fix test for identical givs.
6636 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
6638 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
6639 call abort if the function is already defined.
6641 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
6643 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
6644 truncation is not a no-op.
6646 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
6648 * version.c: Bump for snapshot.
6650 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
6652 * version.c: Bump for snapshot.
6654 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
6656 * expmed.c (expand_divmod): Don't widen for computing remainder
6657 if we seem to have a divmod pattern for needed mode.
6659 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
6661 * cpplib.c (macroexpand): Correct off-by-one error in handling
6664 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
6666 * combine.c (expand_field_assignment): Don't do bitwise operations
6667 on MODE_FLOAT; pun to MODE_INT if possible.
6669 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
6670 scott snyder <snyder@d0sgif.fnal.gov>
6672 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
6673 linker. Recognize mangled names in quotes.
6675 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6677 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
6678 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
6679 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
6680 (lshrsi3_extend, lshrsi3_extend2): Ditto.
6682 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6684 * function.c (purge_addressof_1): If trying to take a sub-word
6685 integral piece of a floating point mode, put it on the stack.
6687 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
6689 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
6691 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
6693 * PROJECTS: Remove template friends.
6695 * collect2.c (sort_ids): Remove unused variable.
6697 * tm.texi (MATH_LIBRARY): Document.
6698 (NEED_MATH_LIBRARY): Remove.
6700 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
6701 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
6703 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
6705 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
6706 last_end to 0x7fffffff.
6708 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6710 * function.c (purge_addressof_1): Do not perform endianness
6711 corrections on bitpos, who we call will do it for us.
6713 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
6715 * h8300.c (WORD_REG_USED): Fix typo.
6716 (initial_offset): Use WORD_REG_USED.
6718 * h8300.c (handle_pragma): Fix typo.
6720 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
6722 * caller-save.c (insert_save_restore): Break this function up
6723 into new functions insert_restore, insert_save and insert_one_insn.
6724 All callers changed.
6725 (insert_restore): New function, mostly broken out of
6726 insert_save_restore.
6727 (insert_save): Likewise.
6728 (insert_one_insn): Likewise.
6729 (restore_referenced_regs): New argument BLOCK. All callers changed.
6730 (save_call_clobbered_regs): Don't keep track of basic block boundaries
6731 in this function, do it in insert_one_insn instead.
6733 * reload1.c (reload): Break out some more pieces into separate
6735 (dump_needs): New function, broken out of reload.
6736 (set_initial_elim_offsets): Likewise.
6737 (init_elim_table): Likewise.
6738 (update_eliminables): Likewise.
6740 * global.c (global_alloc): Delete code to manage the scratch_list.
6741 * local-alloc.c (qty_scratch_rtx): Delete.
6742 (scratch_block): Delete.
6743 (scratch_list): Delete.
6744 (scratch_list_length): Delete.
6745 (scratch_index): Delete.
6746 (alloc_qty_for_scratch): Delete.
6747 (local-alloc): Update initialization of max_qty.
6748 Delete code to manage the scratch list.
6749 Delete code to allocate/initialize qty_scratch_rtx.
6750 (block_alloc): Don't allocate quantities for scratches.
6751 Delete code to manage the scratch list.
6752 * regs.h (scratch_list): Delete declaration.
6753 (scratch_block): Delete declaration.
6754 (scratch_list_length): Delete declaration.
6755 * reload1.c (reload): Delete code to manage the scratch list.
6756 (spill_hard_reg): Likewise.
6757 (mark_scratch_live): Delete.
6759 * recog.c (alter_subreg): Delete declaration.
6761 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
6763 * Makefile.in (cccp.o): Fix typo in last patch.
6765 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6767 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
6768 * config/sh/lib1funcs.asm (___set_fpscr): Add.
6770 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
6772 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
6773 NULL_RTX as an argument.
6775 * Makefile.in (unlibsubdir): Define.
6776 (DRIVER_DEFINES): Use unlibsubdir.
6777 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
6778 (stmp-fixinc): Similarly.
6780 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
6782 * regmove.c (regmove_optimize): Add variable old_max_uid.
6783 At the end of the function, update basic_block_end.
6785 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6787 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
6788 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
6791 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
6793 * config/arm/arm.c: Improve interworking support.
6795 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6797 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
6798 copied from reload_out[r] .
6800 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
6802 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
6803 with more than three size ranges.
6805 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
6807 * rtl.c (mode_name): Add a null string at the end of the array.
6808 (mode_wider_mode): Change type to unsigned char.
6809 (mode_mask_array): New variable.
6810 (init_rtl): Update for mode_wider_mode type change.
6812 * rtl.h (mode_wider_mode): Change type to unsigned char.
6813 (mode_mask_array): Declare.
6814 (GET_MODE_MASK): Use mode_mask_array.
6816 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
6818 * calls.c (expand_call) : Encapsulate code into
6819 copy_blkmode_from_reg.
6820 * expr.c (copy_blkmode_from_reg): New function.
6821 * expr.h (copy_blkmode_from_reg): New function.
6822 * integrate.c (function_cannot_inline_p): We can inline
6824 (expand_inline_function): Use copy_blkmode_from_reg
6825 if needed. Avoid creating BLKmode REGs.
6826 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
6829 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
6831 * config/v850/v850.c: Add function prototypes.
6832 Add support for v850 special data areas.
6834 * config/v850/v850.h: Add support for v850 special data areas.
6836 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
6837 HANDLE_PRAGMA_PACK_PUSH_POP.
6838 (push_alignment): New function: Cache an alignment requested
6839 by a #pragma pack(push,<n>).
6840 (pop_alignment): New function: Pop an alignment from the
6842 (insert_pack_attributes): New function: Generate __packed__
6843 and __aligned__ attributes for new decls whilst a #pragma pack
6845 (add_weak): New function: Cache a #pragma weak directive.
6846 (handle_pragma_token): Document calling conventions. Add
6847 support for #pragma pack(push,<n>) and #pragma pack (pop).
6849 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
6850 are defined enable HANDLE_PRAGMA_PACK.
6851 Move 'struct weak_syms' here (from varasm.c).
6852 Add pragma states for push and pop pragmas.
6854 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
6857 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
6858 HANDLE_GENERIC_PRAGMAS.
6860 * varasm.c: Move definition of 'struct weak_syms' into
6862 (handle_pragma_weak): Deleted.
6864 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
6866 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
6868 * c-decl.c (start_function): Add invocation of
6869 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
6871 * tm.texi: Remove description of non-existant macro
6872 SET_DEFAULT_SECTION_NAME.
6874 (HANDLE_SYSV_PRAGMA): Document.
6875 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
6877 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
6879 * config.sub: Recognize i[34567]86-pc-udk as new target.
6880 * configure.in: Likewise.
6881 * config/i386/t-udk: New file.
6882 * config/i386/udk.h: New file.
6884 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
6886 * reorg.c (check_annul_list_true_false): Remove unused variables.
6887 (steal_delay_list_from_target): Add missing "used_annul" variable.
6888 (try_merge_delay_insns): Close out half formed comment.
6890 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
6892 * cpplib.c (macroexpand): If arg->raw_before or
6893 arg->raw_after, remove any no-reexpansion escape at the
6894 beginning of the pasted token. Correct handling of whitespace
6895 markers and no-reexpand markers at the end if arg->raw_after.
6897 * toplev.c (documented_lang_options): Recognize -include,
6898 -imacros, -iwithprefix, -iwithprefixbefore.
6899 * cpplib.c (cpp_start_read): Process -imacros and -include
6900 switches at the same time and in command-line order, after
6901 initializing the dependency-output code. Emit properly nested
6902 #line directives for them. Emit a #line for the main file
6903 before processing these switches, and don't do it again
6906 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
6908 * function.c (purge_addressof_1): Use bitfield manipulation
6909 routines to handle mem mode < reg mode.
6911 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6913 * reorg.c (try_merge_delay_insns): Account for resources referenced
6914 in each instruction in INSN's delay list before trying to eliminate
6915 useless instructions. Similarly when looking at a trial insn's delay
6918 * reorg.c (check_annul_list_true_false): New function.
6919 (steal_delay_list_from_{target,fallthrough}): Call it and also
6920 refine tests for when we may annul if already filled a slot.
6921 (fill_slots_from_thread): Likewise.
6922 (delete_from_delay_slot): Return newly-created thread.
6923 (try_merge_delay_isns): Use its new return value.
6925 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
6927 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
6928 used to compute a giv or as some other non-counting use.
6930 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6932 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
6933 * local-alloc.c (find_free_reg): Use it.
6934 * global.c (find_reg): Likewise.
6935 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
6937 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
6938 * caller-save.c (init_caller_save): Use it.
6939 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
6941 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
6943 * configure.in: Add --enable-cpplib option which uses cpplib
6944 for cpp, but doesn't link cpplib into cc1. Make help text
6945 capitalization consistent.
6946 * configure: Rebuilt.
6948 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
6950 * function.c (gen_mem_addressof): If the address REG is
6951 REG_USERVAR_P make the new REG be so also.
6952 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
6953 in an attempt to clarify slightly.
6955 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
6957 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
6958 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
6960 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
6962 * toplev.c: Fix last patch.
6964 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
6966 * loop.c (get_condition): Fix typo in May 9 change.
6968 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6970 * invoke.texi (-fexceptions): Merge 2 different descriptions.
6972 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6974 * toplev.c (documented_lang_options): Spelling corrections.
6976 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6978 * configure.in: new flags --with-ld and --with-as, equivalent
6979 to setting LD and AS environment variables. Test whether
6980 specified arguments are GNU commands, and report them with
6981 checking messages. Use the specified AS for configure
6984 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
6986 * gcc.c (find_a_file): when looking for `as' and `ld', return
6987 the DEFAULT program if it exists
6988 * collect2.c (main): use DEFAULT_LINKER if it exists
6990 * gcc.c (find_a_file): the test for existence of a full
6991 pathname was reversed
6993 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
6995 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
6996 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
6998 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
7000 * tree.h (TYPE_BINFO): Document.
7002 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
7004 * i386-coff.h (dbxcoff.h): Added.
7006 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
7008 * toplev.c: fix bad patch around flag_data_sections.
7010 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
7012 * reload1.c (reload): Use reload_address_index_reg_class and
7013 reload_address_base_reg_class when setting
7014 caller_save_spill_class. (Patch generated by Jim Wilson:
7017 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
7019 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
7020 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
7021 * expr.c (store_field): Add alias_set parameter. Set the
7022 MEM_ALIAS_SET accordingly, if the target is a MEM.
7023 (expand_assignment): Use it.
7024 (store_constructor_field): Pass 0.
7025 (expand_expr): Likewise.
7027 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
7029 * flags.h: Add flag_data_sections.
7030 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
7031 (compile_file): Error if flag_data_sections not supported.
7032 * varasm.c (assemble_variable): Handle flag_data_sections.
7033 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
7034 * config/mips/elf.h: Likewise.
7035 * config/mips/elf64.h: Likewise.
7036 * invoke.texi: Describe -fdata-sections.
7038 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
7040 * invoke.texi (-ffloat-store): Clarify that this option
7041 does not affect intermediate results -- only variables.
7043 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
7045 * cpp.texi: Update for Fortran usage from Craig.
7047 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
7049 * rs6000.c (function_arg_boundary): Revert accidental change on
7052 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
7054 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
7055 (output_mi_thunk): Declare.
7057 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
7058 (output_function_profiler): Use r12 for temp, instead of r11 so
7059 that we preserve the static chain register.
7061 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
7063 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
7065 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7067 * sh.c (gen_shl_sext): Fix case 5.
7069 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7071 * reload1.c (reload_combine): Re-add line that got accidentally lost.
7073 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7075 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
7076 accessing variables until they are initialized via va_arg().
7078 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7080 * reload1.c (reload_combine): Initialize set before using.
7082 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
7084 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
7087 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
7089 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
7090 operand3 with mask before using it. Patch provided by Jim Wilson.
7092 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7094 * config/sparc/sparc.c (function_value): Perform the equivalent of
7095 PROMOTE_MODE for ARCH64.
7096 (eligible_for_epilogue_delay): Allow DImode operations in delay
7097 slot of a return for ARCH64.
7099 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7101 * sh.md (sqrtsf2): Fix mode of sqrt.
7103 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7105 * reload1.c (choose_reload_regs): Also try inheritance when
7106 reload_in is a stack slot of a pseudo, even if we already got a
7109 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7111 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
7112 (reload_cse_regs): New function body: call reload_cse_regs_1,
7113 reload_combine, reload_cse_move2add.
7114 When doing expensive_optimizations, call reload_cse_regs_1 a
7115 second time after reload_cse_move2add.
7116 (reload_combine, reload_combine_note_store): New functions.
7117 (reload_combine_note_use): New function.
7118 (reload_cse_move2add, move2add_note_store): New functions.
7120 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7122 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
7123 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
7125 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
7126 more than 3 such reloads.
7128 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
7129 RELOAD_FOR_X_ADDR_ADDR reload.
7131 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7133 * expr.c (store_constructor): When initializing a field that is smaller
7134 than a word, at the start of a word, try to widen it to a full word.
7136 * cse.c (cse_insn): When we are about to change a register,
7137 remove any invalid references to it.
7139 (remove_invalid_subreg_refs): New function.
7140 (mention_regs): Special treatment for SUBREGs.
7141 (insert_regs): Don't strip SUBREG for call to mention_regs.
7142 Check if reg_tick needs to be bumped up before that call.
7143 (lookup_as_function): Try to match known word_mode constants when
7144 looking for a norrower constant.
7145 (canon_hash): Special treatment for SUBREGs.
7147 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7149 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
7150 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
7151 defined, emit libcall to __enable_execute_stack. Also fix opcodes
7152 and offsets in actual stack trampoline code so they match the
7153 commentary and actually work.
7155 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7157 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
7159 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
7160 tmake_file. Set extra_parts to needed crt objects.
7161 * configure: Rebuilt.
7162 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
7163 (TARGET_DEFAULT): Set if default is v9 or ultra.
7164 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
7165 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
7166 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
7167 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
7168 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
7169 (TARGET_VERSION): Define.
7170 (MULTILIB_DEFAULT): Define.
7171 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
7172 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
7173 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
7175 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
7176 * config/sparc/sparc.c (sparc_override_options): If arch and
7177 pointer size disagree, emit diagnostic and fix it up. If
7178 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
7179 V8PLUS in 64-bit mode.
7180 * config/sparc/t-linux64: New file.
7181 * config/sparc/t-sol2-64: New file.
7182 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
7183 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
7184 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
7185 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
7186 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
7187 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
7189 (STARTFILE_SPEC): Set approriately based upon those.
7190 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
7191 disposition of DEFAULT_ARCH32_P.
7192 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
7193 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
7194 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
7195 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
7196 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
7198 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
7200 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
7202 * rtl.h (init_virtual_regs): New function.
7203 * emit-rtl.c (init_virtual_regs): Define.
7204 (insn_emit): Use it.
7205 * integrate.c (save_for_inline_copying): Likewise.
7207 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
7209 * config/arm/thumb.h: The following patches were made by Jim Wilson:
7210 (enum reg_class): Add NONARG_LO_REGS support.
7211 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
7212 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
7213 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
7214 completes. Re-enable HImode REG+OFFSET addresses.
7215 (LEGITIMIZE_RELOAD_ADDRESS): Define.
7217 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
7219 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
7221 * alpha.c (get_aligned_mem): Revert Sep 20 change.
7222 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
7223 (alpha_align_insns): Properly calculate initial offset wrt max_align.
7225 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
7227 * arm.c (find_barrier): Revert change of Apr 23. Handle table
7228 jumps as a single entity, taking into account the size of the
7231 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7233 * tree.def (SWITCH_EXPR): New tree node definition.
7235 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
7237 * version.c: Bump for snapshot.
7239 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
7241 * version.c: Bump for snapshot.
7243 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
7245 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
7248 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
7250 * Revert this patch.
7251 * reload.c (find_reloads): Do not replace a pseudo with
7252 (MEM (reg_equiv_addr)) in the initializing insn for the
7255 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
7257 * final.c (final_scan_insn): Disable tracking CC across branches.
7259 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
7261 * expr.h (eh_rtime_match_libfunc): New extern declaration.
7262 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
7263 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
7264 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
7265 NULL. Only include <stdio.h> if inhibit_libc is not defined.
7267 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
7269 * toplev.c (rest_of_compilation): Skip compiling anything with
7270 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
7272 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
7274 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
7275 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
7276 use in_libcall_block.
7277 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
7278 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
7281 Mon Sep 21 14:02:23 1998
7283 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
7284 typo in no-fancy-math-387 description.
7286 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
7288 * version.c: Bump for snapshot.
7290 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
7292 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
7294 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
7296 * i386.h: (TARGET_SWITCHES) Add description fields for flags
7297 documented in install.texi.
7298 (TARGET_OPTIONS) Likewise.
7300 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
7302 * version.c: Bump for snapshot.
7304 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
7306 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
7307 * cccp.c (main): Likewise.
7309 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
7310 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
7313 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
7315 * Makefile.in (LIBS): Link in libiberty.a.
7316 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
7318 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
7320 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
7321 it to update bb boundaries. Update caller.
7322 * function.c (reposition_prologue_and_epilogue_notes): Update
7323 bb boundaries wrt the moved note.
7325 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
7327 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
7329 * configure: Regenerate.
7331 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
7333 * alpha.c (alpha_sr_alias_set): New variable.
7334 (override_options): Set it.
7335 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
7336 (mode_mask_operand): Fix signed-unsigned comparision warning.
7337 (alpha_expand_block_move): Likewise.
7338 (print_operand): Likewise.
7339 (get_aligned_mem): Use change_address.
7340 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
7341 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
7342 (alphaev4_next_nop, alphaev5_next_nop): New functions.
7343 (alpha_align_insns): Remade from old alphaev5_align_insns
7344 to handle multiple processors.
7345 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
7346 * output.h (label_to_alignment): Prototype.
7348 * tree.c (new_alias_set): New function.
7349 * tree.h (new_alias_set): Declare it.
7350 * c-common.c (c_get_alias_set): Use it.
7352 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
7354 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
7355 to an ABS expr, convert an unsigned input to signed.
7357 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
7359 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
7361 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7363 * configure.in: Add support for c4x targets.
7364 * configure: Rebuilt.
7366 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
7368 * combine.c (distribute_notes): If an insn is a cc0 user, only
7369 delete it if we can also delete the cc0 setter.
7371 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
7373 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
7374 (invert_truthvalue): Enable truthvalue inversion for
7375 floating-point operands if -ffast-math.
7377 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
7379 * configure.in: Disable collect2 for nextstep. Instead use
7381 * configure: Rebuilt.
7382 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
7383 (ENDFILE_SPEC): Define.
7384 (OBJECT_FORMAT_MACHO): Define.
7385 (EH_FRAME_SECTION_ASM_OP): Define.
7386 * crtstuff.c: Handle MACHO.
7388 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
7390 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
7392 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
7394 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
7395 (_fpadd_parts): Get sign right for 0.
7397 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7399 * ginclude/varargs.h: Add support for C4x target.
7400 * ginclude/stdargs.h: Likewise.
7402 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
7404 * alpha.c (alpha_return_addr): SET should be VOIDmode.
7405 (alpha_emit_set_long_const): Rewrite to be callable from reload
7407 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
7408 * alpha.md (movdi): Likewise.
7410 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
7412 * arm.c (add_constant): New parameter address_only, change caller.
7413 Set it non-zero if taking the address of an item in the pool.
7414 (arm_reorg): Handle cases where we need the address of an item in
7417 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
7419 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
7420 memory addresses that are not in standard canonical form.
7422 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
7424 * README.C4X: New file with information about the c4x ports.
7425 * ginclude/va-c4x.h: New file for c4x varargs support.
7426 * config/c4x: New directory with c4x port files.
7428 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
7430 * reload.c (find_reloads): Do not replace a pseudo with
7431 (MEM (reg_equiv_addr)) in the initializing insn for the
7434 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
7436 * toplev.c (rest_of_compilation): Set bct_p on second call to
7438 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
7440 (strength_reduce): Only call analyze_loop_iterations and
7441 insert_bct if bct_p set.
7442 (check_dbra_loop): Fix typo.
7443 (insert_bct): Use word_mode instead of SImode.
7444 (instrument_loop_bct): Likewise. Do not delete iteration count
7445 condition code generation insn. Initialize iteration count before
7447 * rtl.h (loop_optimize): Update prototype.
7449 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
7450 not doubleword aligned.
7452 * rs6000.c (optimization_options): New function.
7453 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
7454 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
7455 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
7456 first; cr1 can be used for FP record condition insns.
7458 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
7460 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
7463 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
7466 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
7468 (block_move_call): New function: Call a library routine to copy a
7470 (m32r_expand_block_move): New function: Expand a "movstrsi"
7471 pattern into a sequence of insns.
7472 (m32r_output_block_move): New function: Expand a
7473 "movstrsi_internal" pattern into a sequence of assembler opcodes.
7474 (m32r_block_immediate_operand): New function: Return true if the
7475 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
7477 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
7479 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
7481 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
7483 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7485 * regmove.c (copy_src_to_dest): Check that modes match.
7487 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
7489 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
7491 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
7493 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
7494 narrower than FLOAT_REGS.
7496 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
7498 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
7500 * Makefile.in (old_gxx_include_dir): removed
7502 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
7504 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
7507 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
7508 (sh_handle_pragma): Change function arguments to match new
7509 specification for HANDLE_PRAGMA.
7511 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7513 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
7515 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
7516 When generating output, initialize missing struct member to zero.
7518 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7520 * regmove.c (copy_src_to_dest): Don't copy if that requires
7521 (a) new register(s).
7523 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7525 * global.c (reg_allocno): Now static.
7526 * reload1.c (reg_allocno): Delete declaration.
7527 (order_regs_for_reload): Take no arguments. Don't treat regs
7528 allocated by global differently than those allocated by local-alloc.
7530 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
7532 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
7533 condition, fix format strings.
7534 (output_function_epilogue): Likewise.
7536 * m68k/m68k.c: Don't include <stdlib.h> directly.
7538 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
7540 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
7541 mem_first_set, mem_last_set; because 0 can be a CUID.
7542 (oprs_unchanged_p): Use new definition.
7543 (record_last_reg_set_info): Likewise.
7544 (record_last_mem_set_info): Likewise.
7545 (compute_hash_table): Likewise.
7547 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
7549 * rs6000.c (output_epilogue): Handle Chill.
7551 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
7552 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
7554 * combine.c (make_extraction): If no mode is specified for
7555 an operand of insv, extv, or extzv, default it to word_mode.
7556 (simplify_comparison): Similarly.
7557 * expmed.c (store_bit_field): Similarly.
7558 (extract_bit_field): Similarly.
7559 * function.c (fixup_var_regs_1): Similarly.
7560 * recog.c (validate_replace_rtx_1): Similarly.
7561 * mips.md (extv, extzv, insv expanders): Default modes for most
7562 operands. Handle TARGET_64BIT.
7563 (movdi_uld, movdi_usd): New patterns.
7565 * pa.c (emit_move_sequence): Do not replace a pseudo with its
7566 equivalent memory location unless we have been provided a scratch
7567 register. Similarly do not call find_replacement unless a
7568 scratch register has been provided.
7570 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7572 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
7575 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
7577 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
7578 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
7579 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
7580 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
7581 * c-decl.c (init_decl_processing): Update accordingly.
7582 * expr.c (expand_builtin): Likewise.
7584 * rtl.h (global_rtl): Add cfa entry.
7585 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
7586 (LAST_VIRTUAL_REGISTER): Update.
7587 * emit-rtl.c (global_rtl): Add cfa entry.
7588 (init_emit): Initialize it.
7589 * function.c (cfa_offset): New.
7590 (instantiate_virtual_regs): Initialize it.
7591 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
7592 (expand_function_end): Call expand_eh_return.
7593 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
7595 * except.c (current_function_eh_stub_label): Kill.
7596 (current_function_eh_old_stub_label): Likwise; update all references.
7597 (expand_builtin_set_return_addr_reg): Kill.
7598 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
7599 (expand_builtin_set_eh_regs): Kill.
7600 (eh_regs): Produce a third reg for the actual handler address.
7601 (eh_return_context, eh_return_stack_adjust): New.
7602 (eh_return_handler, eh_return_stub_label): New.
7603 (init_eh_for_function): Initialize them.
7604 (expand_builtin_eh_return, expand_eh_return): New.
7605 * except.h: Update prototypes.
7606 * flow.c (find_basic_blocks_1): Update references to the stub label.
7607 * function.h (struct function): Kill stub label elements.
7609 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
7610 register number is one that would be in the previous window.
7611 Provide a dummy definition for non-windowed targets.
7612 (get_reg_addr): New function.
7613 (get_reg, put_reg, copy_reg): Use it.
7614 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
7615 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
7617 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
7618 (alpha_init_expanders): Initialize it.
7619 (alpha_expand_epilogue): Use it.
7620 * alpha.h: Declare it.
7621 * alpha.md (eh_epilogue): New.
7623 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
7624 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
7626 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
7628 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
7631 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
7633 * except.h (struct eh_entry): Add false_label field.
7634 (end_catch_handler): Add prototype.
7635 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
7636 (start_catch_handler): When using old style exceptions, issue
7637 runtime typematch code before continuing with the handler.
7638 (end_catch_handler): New function, generates label after handler
7639 if needed by older style exceptions.
7640 (expand_start_all_catch): No need to check for new style exceptions.
7641 (output_exception_table_entry): Only output the first handler label
7642 for old style exceptions.
7643 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
7644 mechanism into one function, if a runtime matcher is provided.
7646 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
7648 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
7650 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
7652 * integrate.c (copy_decl_list): Fix typo.
7654 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7656 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
7659 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
7661 * version.c: Bump for snapshot.
7663 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
7665 * version.c: Bump for snapshot.
7667 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
7669 * version.c: Bump for snapshot.
7671 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7673 * invoke.texi (C Dialect Options): Put back missing @end itemize.
7675 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
7677 * configure.in: remove usage of `!' to negate the result of a
7678 command; some common shells do not support it
7680 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7682 * configure.in: in sparc9-sol2 config, use 'if test' not
7684 * configure: Rebuilt.
7686 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
7688 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
7689 (CPP_CPU_DEFAULT_SPEC): Likewise.
7690 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
7691 for arch64 libfuncs.
7693 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
7696 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7698 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
7700 * collect2.c: Don't declare `sys_siglist' here.
7701 (my_strsignal): Prototype and define new function. Use it in
7702 place of `sys_siglist' hacks.
7704 * mips_tfile.c: Likewise.
7706 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
7707 (GCC_NEED_DECLARATIONS): Likewise.
7709 * system.h (strsignal): Prototype it, if necessary.
7710 (sys_siglist): Declare it, if necessary.
7712 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7714 * loop.c (move_movables): While removing insn sequences, preserve
7715 the next pointer of the most recently deleted insn when we skip
7718 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
7720 * objc/config-lang.in: Do not output the name of the selected
7721 thread file when building the front-end. The Makefile for the
7722 runtime library will do this.
7724 * objc/Make-lang.in: Do not build the runtime library or install
7725 the Objective C header files. The Makefile for the runtime
7726 library will do this.
7728 * objc/Makefile.in (all.indirect): Only build the front-end.
7729 (compiler): Rename to `frontend'.
7730 (obj-runtime): Remove target.
7731 (copy-headers): Likewise.
7732 (clean): No need to remove `libobjc.a' any longer.
7734 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
7736 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
7737 supported with -mcpu=xxx.
7739 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7741 * flow.c (mark_set_1): Recognize multi-register structure return
7742 values in CALL insns.
7743 (mark_used_regs): Likewise.
7744 (count_reg_sets_1): Likewise.
7745 (count_reg_references): Likewise.
7746 * rtlanal.c (note_stores): Likewise.
7747 (reg_overlap_mentioned_p): Likewise.
7748 * haifa-sched.c (check_live_1): Likewise.
7749 (update_live_1): Likewise.
7750 (sched_analyze_1): Likewise.
7751 (sched_note_set): Likewise.
7752 (birthing_insn_p): Likewise.
7753 (attach_deaths): Likewise.
7755 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
7758 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
7760 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
7762 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7764 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
7766 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7768 * configure.in: Add check for GAS subsection -1 support.
7769 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
7770 * configure config.in: Rebuilt.
7771 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
7772 SImode is subsection -1 works, else use DImode.
7773 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
7774 subsection -1 works.
7775 * config/sparc/sparc.c (sparc_output_addr_vec,
7776 sparc_output_addr_diff_vec): Use them if defined.
7778 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
7780 * tree.h (DECL_ORIGIN): New macro.
7781 * integrate.c (copy_and_set_decl_abstract_origin): New function.
7782 (copy_decl_list): Use it.
7783 (integrate_parm_decls): Likewise.
7784 (integrate_decl_tree): Likewise.
7785 * dwarf2out.c (decl_ultimate_origin): Simplify.
7786 * dwarfout.c (decl_ultimate_origin): Likewise.
7787 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
7788 (pushdecl): Likewise.
7790 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
7792 * config/rs6000/rs6000.c (output_epilog): Add Java support.
7794 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
7796 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
7798 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
7800 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
7801 empty or has a single entry.
7803 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
7804 before calling reg_to_stack.
7806 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
7808 * alpha.c (alphaev5_insn_pipe): Abort on default case.
7809 (alphaev5_next_group): Swallow CLOBBERs and USEs.
7811 * c-tree.h (warn_long_long): Declare it.
7813 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
7815 * emit-rtl.c (gen_lowpart_common): Disable optimization of
7816 initialized float-int union if the value is a NaN.
7818 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
7820 * c-lex.c (real_yylex): Don't warn about long long constants if
7821 we're allowing long long
7823 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7825 * except.h (current_function_eh_stub_label): Declare.
7826 (current_function_eh_old_stub_label): Declare.
7827 * function.h (struct function): New members eh_stub_label and
7829 * except.c (current_function_eh_stub_label): New variable.
7830 (current_function_eh_old_stub_label): New variable.
7831 (init_eh_for_function): Clear them.
7832 (save_eh_status): Save them.
7833 (restore_eh_status): Restore them.
7834 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
7835 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
7836 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
7837 make an edge from the block that contains it to the block starting
7838 with the label if this label is one of the eh stub labels.
7839 If eh stub labels exist, show they are reachable from the last block
7842 * reload1.c (reload): Break out several subroutines and make some
7844 (calculate_needs_all_insns): New function, broken out of reload.
7845 (calculate_needs): Likewise.
7846 (find_reload_regs): Likewise.
7847 (find_group): Likewise.
7848 (find_tworeg_group): Likewise.
7849 (something_needs_reloads): New global variable, formerly in reload.
7850 (something_needs_elimination): Likewise.
7851 (caller_save_spill_class): Likewise.
7852 (caller_save_group_size): Likewise.
7853 (max_needs): Likewise.
7854 (group_size): Likewise.
7855 (max_groups): Likewise.
7856 (max_nongroups): Likewise.
7857 (group_mode): Likewise.
7858 (max_needs_insn): Likewise.
7859 (max_groups_insn): Likewise.
7860 (max_nongroups_insn): Likewise.
7861 (failure): Likewise.
7863 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
7865 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
7867 * loop.c (load_mems): Copy rtx for output mem.
7869 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
7871 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
7872 mips1 or mips2 either.
7874 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
7876 * pa.c (pa_reorg): New marking scheme for jumps inside switch
7878 (pa_adjust_insn_length): Update to work with new marking scheme
7879 for jumps inside switch tables.
7880 * pa.md (switch_jump): Remove pattern.
7881 (jump): Handle jumps inside jump tables.
7883 * Makefile.in (profile.o): Depend on insn-config.h
7885 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
7887 * iris6.h (DWARF2_UNWIND_INFO): Undef.
7889 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7891 Add preliminary native sparcv9 Solaris support.
7892 * configure.in: Recognize sparv9-*-solaris2*
7893 * configure: rebuilt
7894 * config.sub: Recognize sparcv9 just like sparc64.
7895 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
7896 config/sparc/sol2-cn.asm: Macroize so it can be shared between
7897 32-bit and 64-bit Solaris systems.
7898 * config/sparc/t-sol2: Assemble those with cpp.
7899 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
7900 (*TF*_LIBCALL): If ARCH64 use V9 names.
7901 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
7903 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7905 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
7906 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
7908 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
7910 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
7911 to Pmode if CASE_VECTOR_MODE is something else.
7913 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
7915 * prefix.c (update_path): Correctly handle cases where PATH is
7916 a substring of the builtin prefix, but specifies a different
7919 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
7921 * expr.c: Corrected comment about what MOVE_RATIO does.
7922 * config/alpha/alpha.h: Ditto.
7923 * config/1750a/1750a.h: Ditto.
7924 * config/clipper/clipper.h: Ditto.
7925 * config/i386/i386.h: Ditto.
7927 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
7929 * configure.in (m68k-next-nextstep3*): Use collect2.
7930 Similarly for x86 NeXT configurations.
7931 * configure: Rebuilt.
7933 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
7935 * configure.in: Don't assume srcdir is .../gcc
7936 * configure: Rebuilt.
7938 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
7940 * global.c: Update comments.
7941 (global_alloc): Assign allocation-numbers
7942 even for registers allocated by local_alloc in case
7943 they are later spilled and retry_global_alloc is called.
7944 (mark_reg_store, mark_reg_clobber,
7945 mark_reg_conflicts, mark_reg_death): Always record a
7946 conflict with a pseudo register even if it has been
7947 assigned to a hard register.
7948 (dump_conflicts): Don't list pseudo registers already assigned to
7949 a hard register as needing to be allocated, but do list their
7951 * local-alloc.c: Update comment.
7953 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
7955 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
7956 * configure: Rebuilt.
7958 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
7960 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
7962 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
7963 for all targets that set -msoft-float.
7965 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7967 * toplev.c (print_switch_values): Make static to match prototype.
7969 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
7971 * configure.in: If we are unable to find the "gnatbind" program,
7972 then do not configure the ada subdir.
7973 * configure: Rebuilt.
7975 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
7977 * version.c: Bump for snapshot.
7979 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
7981 * version.c: Bump for snapshot.
7983 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7985 * Makefile.in (toplev.o): Depend on $(EXPR_H).
7986 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
7988 * gansidecl.h: Define ATTRIBUTE_NORETURN.
7990 * genattrtab.c: Have insn-attrtab.c include toplev.h.
7992 * genextract.c: Have insn-extract.c include toplev.h.
7994 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
7996 * toplev.c: Include expr.h.
7997 (really_sorry, fancy_abort): Remove prototypes.
7998 (set_target_switch): Add argument in prototype.
7999 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
8000 (v_really_sorry): Likewise.
8001 (print_version, print_single_switch, print_switch_values): Make
8002 static and add prototype arguments.
8003 (decl_printable_name): Add prototype arguments.
8004 (lang_expand_expr_t): New typedef.
8005 (lang_expand_expr): Declare as a lang_expand_expr_t.
8006 (incomplete_decl_finalize_hook): Add prototype argument.
8007 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
8008 (botch): Likewise for variable `s'.
8009 (rest_of_type_compilation): Mark variables `type' and `toplev'
8010 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
8011 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
8012 (display_help): Make variable `i' an `unsigned long'.
8013 (main): Remove unused parameter `envp'.
8014 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
8015 Cast -1 when comparing it with a `size_t'.
8017 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
8018 prototype with ATTRIBUTE_NORETURN.
8019 (fatal_insn_not_found, fatal_insn, really_sorry,
8020 push_float_handler, pop_float_handler): Add prototypes.
8021 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
8022 (do_abort, botch): Add prototypes.
8024 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
8026 * final.c (final): If a label is reached only from a single jump,
8027 call NOTICE_UPDATE_CC on the jump and its predecessor before
8028 emitting the insn after the label.
8030 * i386.h: Add AMD K6 support.
8031 Change TARGET_* macros to use table lookup.
8032 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
8033 (ADJUST_COST): Change definition to call function in i386.c.
8034 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
8035 * i386.c: Add AMD K6 support.
8036 Add constants for feature tests used by TARGET_* macros.
8037 (split_di): If before reload, call gen_lowpart and gen_highpart.
8038 (x86_adjust_cost): New function.
8039 (put_jump_code): New function.
8040 (print_operand): New codes 'D' and 'd'.
8041 * i386.md: New insn types. New insn attribute "memory".
8042 Redefine scheduling parameters to use new types and add AMD K6
8043 support. Explicitly set type of most insns.
8044 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
8045 Pro and K6 prefer movl $1,reg to incl reg.
8046 (adddi3, subdi3): Set cc_status.
8047 (DImode shift patterns): Change label counters from HOST_WIDE_INT
8048 to int; x86 can't have more than 2^31 DImode shifts per file.
8049 (setcc): Combine all setcc patterns. Allow writing memory.
8050 Combine all jump patterns using match_operator.
8051 (*bzero): Name pattern. Emit mutliple stos instructions when that
8052 is faster than rep stos.
8053 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
8056 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
8058 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
8061 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
8063 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
8064 not whatever we're generating now.
8066 * alpha.c (set_frame_related_p, FRP): New.
8067 (alpha_expand_prologue): Mark frame related insns.
8068 (alpha_expand_epilogue): Likewise, but with a null FRP.
8069 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
8070 * alpha.md (exception_receiver): New.
8071 * alpha/crtbegin.asm (.eh_frame): New beginning.
8072 (__do_frame_setup, __do_frame_takedown): New.
8073 * alpha/crtend.asm (.eh_frame): New ending.
8074 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
8075 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
8076 (ASM_FILE_START): Don't emit .file for dwarf2.
8078 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
8079 * rtl.c (reg_note_name): Likewise.
8080 * rtl.texi (REG_NOTES): Likewise.
8081 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
8084 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
8086 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
8087 * i386.md (movsf, movdf, movxf): Validate memory address returned
8088 from force_const_mem. Kill useless REG_EQUAL setting code.
8090 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
8092 * m68k.md (zero_extendsidi2): Fix typo.
8094 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
8096 * configure.in: Removed references to the removed file
8097 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
8098 * arm*-*-netbsd* and ns32k-*-netbsd*.
8099 * config/i386/xm-netbsd.h: Removed unnecessary file.
8100 * config/m68k/xm-netbsd.h: Likewise.
8101 * config/sparc/xm-netbsd.h: Likewise.
8102 * config/mips/xm-netbsd.h: Likewise.
8104 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
8106 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
8107 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
8109 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
8110 for exact section attributions.
8112 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
8114 * i386/crtdll.h (CPP_PREDEFINES): Define.
8116 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
8118 * m68k.md (5200 movqi): Do not allow byte sized memory references
8120 * m68k.c (output_move_qimode): Do not use byte sized operations on
8123 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
8124 explicit rules for building. Similarly for alloca, vfprintf,
8125 choose-temp and mkstemp, getopt, getopt1, and obstack.
8126 (INCLUDES): Add $(srcdir)/../include.
8127 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
8128 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
8130 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
8132 * gcc.c (do_spec_1): [case 'o'] Account for
8133 lang_specific_extra_outfiles.
8134 (main): Correctly clear all slots in outfiles for
8135 lang_specific_extra_outfiles. Set input_file_number before
8136 calling lang_specific_pre_link.
8138 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
8140 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
8142 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8144 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
8146 (sparc_output_deferred_case_vectors): If no work to do, return.
8147 Fix thinko in Sept 1 change.
8149 1998-09-03 SL Baur <steve@altair.xemacs.org>
8151 * Makefile.in: add semicolon in BISON definition for portability.
8153 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
8155 * config/nextstep.c (handle_pragma): Correct name of third
8158 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
8160 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
8161 * config/m32r/m32r.h: Make register 17 be fixed.
8162 * config/m32r/m32r.c: Use SImode for cc operations.
8164 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
8166 * invoke.texi (Warning Options): Add -Wnon-template-friend
8169 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
8171 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
8173 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
8175 * rs6000.md (movsf): Disable explicit secondary-reload-like
8176 functionality if TARGET_POWERPC64.
8177 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
8180 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
8182 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
8183 and term.h from fixinc.wrap.
8185 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8187 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
8188 safe to include both string.h and strings.h together.
8189 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
8190 which headers to search for function declarations. Continue to
8191 prefer string.h over strings.h when both are not acceptable.
8193 * acconfig.h (STRING_WITH_STRINGS): Add stub.
8195 * configure.in: Call GCC_HEADER_STRING.
8197 * system.h: Test STRING_WITH_STRINGS when deciding which headers
8198 to include. Continue to prefer string.h over strings.h when both
8201 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8203 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
8204 not assume top 32-bits of symbolic addresses are zero if
8207 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
8209 * ginclude/va-alpha.h: Protect entire second portion of the
8210 file against double inclusion.
8212 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
8214 Added support for the Boehm's garbage collector.
8215 * configure.in: Handle --enable-objc-gc.
8216 * configure: Rebuilt.
8217 * Makefile.in (CHECK_TARGETS): Add check-objc.
8218 (check-objc): New rule.
8219 * objc/Make-lang.in: Build a different Objective-C library that
8220 runs with the Boehm's collector.
8221 * objc/encoding.c (objc_round_acc_size_for_types): New function.
8222 * objc/encoding.c: Correctly compute the size of compound types in
8223 the presence of bitfields. Skip the variable name of the type if
8224 any. Added support for long long.
8225 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
8226 (_F_GCINVISIBLE): New mask.
8227 * objc/gc.c: New file. Compute the type memory mask associated with
8228 a class based on the runtime information.
8229 * objc/misc.c: Added the hooks that use the Boehm's collector
8230 allocation functions.
8231 * objc/objc-act.c (build_class_template): Generate a new class
8232 member (gc_object_type) to hold the class' type memory mask.
8233 (build_shared_structure_initializer): Initialize the new member to
8235 (encode_complete_bitfield): New function. Generate the new
8237 (encode_field_decl): Generate the new encoding only for the GNU
8239 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
8241 (class_get_gc_object_type): New function to mark a pointer instance
8242 variable as a weak pointer.
8243 * objc/objc-features.texi: New file.
8244 * objc/objc.h (gc_object_type): New class member.
8245 * objc/objects.c (class_create_instance): Create a typed memory
8246 object when compiled with Boehm's collector support.
8247 * objc/sendmsg.c (__objc_init_install_dtable): Call
8248 __objc_send_initialize instead of setting the initialize flag.
8249 (__objc_send_initialize): Call __objc_generate_gc_type_description
8250 to generate the class type memory mask. Rewrite the code that
8251 sends the +initialize so that it is called only once (bug report
8252 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
8253 * testsuite/objc: New testsuite for Objective-C type encoding.
8254 * testsuite/lib/objc-torture.exp: New file.
8255 * testsuite/lib/objc.exp: New file.
8257 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
8259 * jump.c (jump_optimize): In if/then/else transformations, add
8260 another call to modified_between_p for the jump insn.
8262 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
8264 * fix-header.c (symlink): Treat like readlink.
8266 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8268 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
8271 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
8273 * config/nextstep.h: Update HANDLE_PRAGMA macro.
8274 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
8275 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
8277 * config/nextstep.c (handle_pragma): Take three arguments, as per
8278 the new HANDLE_PRAGMA macro specification.
8279 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
8280 per the new HANDLE_PRAGMA macro specification.
8281 * config/i960/i960.c (process_pragma): Take three arguments, as
8282 per the new HANDLE_PRAGMA macro specification.
8284 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
8286 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
8287 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
8288 if unknown pragmas are encountered.
8289 (handle_sysv_pragma): Interpret return code from
8290 handle_pragma_token (). Return success/failure indication rather
8291 than next unprocessed character.
8292 (pragma_getc): New function: retrieves characters from the
8293 input stream. Defined when HANDLE_PRAGMA is enabled.
8294 (pragma_ungetc): New function: replaces characters back into the
8295 input stream. Defined when HANDLE_PRAGMA is enabled.
8297 * c-pragma.c (handle_pragma_token): Return success/failure status
8300 * c-pragma.h: Change prototype of handle_pragma_token().
8302 * varasm.c: (handle_pragma_weak): Only create this function if
8303 HANDLE_PRAGMA_WEAK is defined.
8305 * c-common,c (decl_attributes): If defined call the expression
8306 contained within the INSERT_ATTRIBUTES macro before adding
8307 attributes to a decl.
8309 * tm.texi (HANDLE_PRAGMA): Document the new verion of
8310 HANDLE_PRAGMA, which takes three arguments.
8311 (INSERT_ATTRIBUTES): Document this new macro.
8313 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
8314 new INSERT_ATTRIBUTES macro.
8316 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8318 * config/sparc/sparc.md (movdf): Only generate special RTL for
8319 LABEL_REFs when PIC.
8320 (move_label_di): Remove
8321 (movdi_pic_label_ref, movdi_high_pic_label_ref,
8322 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
8323 references when PIC.
8324 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
8325 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
8326 output an .xword for all 64-bit cases.
8328 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8330 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
8331 alignment, use FUNCTION_BOUNDARY instead.
8332 (sparc_output_deferred_case_vectors): Likewise.
8334 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8336 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
8337 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
8339 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
8341 * alpha/va_list.h: New file.
8342 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
8344 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
8346 * NEWS: Add SCO Openserver and Unixware 7 notes.
8350 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
8352 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
8353 (record_constant_1): Handle RANGE_EXPR.
8355 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
8357 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
8358 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
8359 and NOTE_INSN_RANGE_END specially.
8360 (reemit_notes): Likewise.
8362 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8364 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
8365 (ultrasparc_sched_init): Remove unneeded &.
8367 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
8369 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
8370 for m68020-60, to prevent the use of fintrz.
8372 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
8374 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
8376 * Makefile.in: Likewise.
8377 * configure: Regenerated.
8379 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
8381 * configure.in (gxx_include_dir): Changed to
8382 '${prefix}/include/g++'-${libstdcxx_interface}.
8383 * configure: Rebuilt.
8385 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
8387 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
8389 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
8390 *sequences* *below* which scalar moves will be used.
8392 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
8394 * collect2.c (mktemp): Delete unused declaration.
8396 * config/xm-netbsd.h: Remove unnecessary file.
8397 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
8398 file anymore, it is not needed.
8400 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
8402 * convert.c (convert_to_integer): Issue an error on conversions to
8405 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
8407 * Makefile.in: Add lang_tree_files and gencheck.h.
8408 * configure.in: Generate them.
8409 * gencheck.c: Include gencheck.h.
8411 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8413 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
8414 movdi_lo_sum_pic and movdi_high_pic and make visible.
8415 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
8416 emit these when Pmode is not SImode.
8417 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
8419 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
8421 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
8422 .linkonce directive after the first time.
8424 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
8426 * m68k.md (beq0_di): Generate correct (and more efficient) code when
8427 the clobbered operand overlaps with an input.
8428 (bne0_di): Similarly.
8430 * Makefile.in (INSTALL): Remove "--no-header" argument.
8432 * NEWS: Various updates.
8434 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8436 * config/sparc/sparc.c (arith_operand, const64_operand,
8437 const64_high_operand, arith_double_4096_operand): Mark mode as
8439 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
8441 (sparc_emit_set_const64): Remove unused variable i.
8442 (sparc_splitdi_legitimate): Likewise for addr_part.
8443 (ultra_code_from_mask): Likewise for mask.
8444 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
8445 reverse return values so it matches usage and comments.
8446 (ultra_flush_pipeline): Likewise.
8447 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
8448 this_type, and allow loads and stores of differing FP modes as
8449 they do not create a conflict.
8450 (ultra_find_type): Initialize fpmode to SFmode, fix
8451 parenthesization thinkos in large conditional.
8452 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
8453 Init free_slot_mask after ultra_cur_hist is reset, not before.
8454 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
8455 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
8456 use ultra_flush_pipeline instead, then re-init group pointer.
8457 Fix statement with no effect. If no progress made in, and no
8458 instructions scheduled at all, advance to new pipeline cycle else
8459 we get into an endless loop.
8460 (ultrasparc_adjust_cost): Remove previous arg.
8461 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
8463 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
8465 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
8466 code. Use reg_overlap_mentioned_p to detect when source and
8467 destination overlap.
8468 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
8470 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
8472 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
8473 COMPARISON_VAL, into invariant_p.
8475 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8477 * regmove.c (regclass_compatible_p): New function.
8478 (regmove_optimize): Use it.
8480 Use NREGS parameter insted of calling max_reg_num.
8482 (fixup_match_1): Don't use code = MINUS when later tieing with
8483 a hard register is likely.
8485 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8487 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
8488 COMPARISON_VAL was normalized.
8490 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
8492 * loop.c (check_dbra_loop): The loop ending comparison value
8493 must be an invariant or we can not reverse the loop.
8495 * loop.c (scan_loop): Count down from max_reg_num - 1 to
8496 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
8498 (load_mems_and_recount_loop_regs_set): Likewise.
8500 * i386.c (print_operand): Remove obsolete 'c' docs.
8502 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
8504 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
8505 * frame.c (init_object_mutex): New function.
8506 (init_object_mutex_once): Likewise.
8507 (find_fde): Call it.
8508 (__register_frame_info): Likewise.
8509 (__register_frame_info_table): Likewise.
8510 (__deregister_frame_info): Likewise.
8512 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
8514 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
8516 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8518 * loop.c (check_dbra_loop): Enable code for reversal
8519 of some loops without a known constant loop end.
8521 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
8523 * haifa-sched.c (last_clock_var): New.
8524 (schedule_block): Initialize it.
8525 (schedule_insn): Use it to fill insn modes with issue information.
8527 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
8528 Tag trapb and next insn with TImode.
8529 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
8530 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
8531 Invoke alphaev5_align_insns as appropriate.
8532 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
8533 (MD_SCHED_VARIABLE_ISSUE): New.
8534 * alpha.md (attr type): Add multi.
8535 (define_asm_attributes): New.
8536 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
8537 (arg_home): Likewise.
8538 (fnop, unop, realign): New.
8540 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
8542 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
8543 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
8545 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
8546 (rs6000-ibm-aix4.[12]*): Likewise.
8547 * configure: Regnerate.
8549 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
8551 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
8552 already contains the return address.
8554 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
8556 * calls.c (expand_call): Use bitfield instructions to extract/deposit
8557 word sized hunks when loading unaligned args into registers.
8559 * haifa-sched.c (sched_analyze_insn): Only create scheduling
8560 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
8562 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
8564 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8566 * loop.c (check_dbra_loop): Add some code that would allow reversal
8567 of some loops without a known constant loop end if it were enabled.
8569 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
8571 * mips.md (lshrsi3_internal2+2): Fix type-o.
8573 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8575 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
8576 correctly with regards to stdio.h.
8578 * calls.c: Remove stdarg.h/varargs.h.
8581 * combine.c: Likewise.
8582 * cpperror.c: Likewise.
8583 * cpplib.c: Likewise.
8584 * cpplib.h: Likewise.
8585 * doprint.c: Likewise.
8586 * emit-rtl.c: Likewise.
8587 * final.c: Likewise.
8588 * fix-header.c: Likewise.
8590 * genattr.c: Likewise.
8591 * genattrtab.c: Likewise.
8592 * gencodes.c: Likewise.
8593 * genconfig.c: Likewise.
8594 * genemit.c: Likewise.
8595 * genextract.c: Likewise.
8596 * genflags.c: Likewise.
8597 * genopinit.c: Likewise.
8598 * genoutput.c: Likewise.
8599 * genpeep.c: Likewise.
8600 * genrecog.c: Likewise.
8601 * mips-tfile.c: Likewise.
8602 * prefix.c: Likewise.
8603 * protoize.c: Likewise.
8604 * regmove.c: Likewise.
8605 * toplev.c: Likewise.
8608 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
8610 * config/sparc/sparc.c (sparc_override_options): If not
8611 TARGET_FPU, turn off TARGET_VIS.
8612 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
8613 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
8614 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
8615 (movdi_insn_sp64): Add VIS fzero alternative.
8616 (clear_sf, clear_df): New VIS patterns.
8617 (movsf, movdf expanders): Allow fp_zero_operand flat out when
8619 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
8621 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
8623 * loop.c (n_times_set, n_times_used, may_not_optimize,
8624 reg_single_usage): Convert to varrays. All uses changed.
8625 (insert_loop_mem): Return a value.
8626 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
8627 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
8630 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
8633 * configure.in: Do not set thread_file to "irix" since no such
8636 * sparc.md (float abs/neg splits): Check reload_completed before
8637 calling alter_subreg.
8639 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8641 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
8643 * config/sparc/sparc.h: Declare it.
8644 * config/sparc/sparc.md (float abs/neg splits): Use it.
8645 (all other splits): Handle SUBREGs properly where necessary.
8646 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
8648 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
8650 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
8651 an insn on the unfilled_slots_list that has no delay slots.
8652 (fill_eager_delay_slots): Similarly.
8654 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
8656 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
8657 as an ordinary operand.
8659 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
8661 * tree.c (valid_machine_attribute): Don't apply attributes to both
8664 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
8666 * reload.c (operands_match_p): Handle rtvecs.
8668 * i386.c (legitimate_pic_address_disp_p): New.
8669 (legitimate_address_p): Use it.
8670 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
8671 Handle constant pool symbols just like statics.
8672 (emit_pic_move): Use Pmode not SImode for clarity.
8673 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
8674 [UNSPEC]: New, handling what we killed above.
8675 [PLUS]: Detect and abort on invalid symbol arithmetic.
8676 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
8678 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
8680 * alias.c: Include output.h.
8681 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
8682 different if we're in a varargs function.
8683 * Makefile.in (alias.o): Depend on output.h
8685 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8687 * sh.h (GIV_SORT_CRITERION): Delete.
8689 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
8691 * regclass.c (regclass): Use xmalloc/free instead of alloca.
8692 * stupid.c (stupid_life_analysis): Ditto.
8693 * reload1.c (reload): Ditto.
8695 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
8697 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
8698 arith_double_4096_operand, arith_double_add_operand): New
8700 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
8701 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
8702 them to transform add/sub 4096 into add/sub -4096.
8704 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8706 * loop.c (scan_loop): Allocate some slop to handle pseudos
8707 generated by move_movables.
8708 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
8711 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
8713 * tree.def (DECL_RESULT): Correct documentation.
8715 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8717 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
8718 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
8719 conflicts will all RELOAD_FOR_OUTPUT reloads.
8721 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
8722 loads the function result, substitute with a USE.
8724 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
8726 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
8727 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
8728 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
8729 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
8730 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
8731 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
8733 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
8734 'o' to 'm' for GPR variant constraints.
8736 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
8738 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
8740 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
8742 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
8743 when the source and destination overlap.
8745 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
8746 clash with global type.
8748 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
8750 * fixinc.irix: Add curses.h handling from fixinc.wrap.
8752 * c-common.c (combine_strings): Also set TREE_READONLY.
8753 Change warn_write_strings to flag_const_strings.
8754 * c-decl.c, c-tree.h: Likewise.
8756 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8758 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
8759 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
8760 sequence, use SET/IOR instead so CSE can see it.
8761 * config/sparc/sparc.md (movhi_const64_special,
8762 movsi_const64_special): New patterns necessitated by that change.
8763 (movhi_high): Remove.
8764 (movhi_lo_sum): Change to match an IOR.
8765 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
8766 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
8767 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
8768 (movdf splits): Allow when not V9 or when not ARCH64 and integer
8769 registers are involved.
8770 (snesi_zero_extend split): Remove reload_completed test.
8771 (unnamed plus and minus zero_extend sidi splits): Add it.
8773 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
8775 * extend.texi: Remove description of extension to explicit
8776 instantiation that is now endorsed by standard C++.
8778 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8780 * config/arc/arc.c (arc_initialize_pic): Remove.
8781 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
8782 nothing on any platform and is invoked by no-one, it does not even
8783 appear in the documentation.
8784 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
8785 * config/sparc/sparc.c (initialize_pic): Likewise.
8786 (find_addr_reg): Remove this as well, no longer referenced after
8789 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
8791 * recog.c (validate_replace_rtx_group): New function.
8792 * recog.h (validate_replace_rtx_group): Declare it.
8793 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
8794 the entire group of substitutions.
8796 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
8798 * loop.c (load_mems): Fix initializers.
8800 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8802 * config/sparc/sparc.md (TFmode splits): Handle destination
8803 registers being referenced in the address correctly.
8805 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
8806 TREE_UNSIGNED, when bitsize of type's mode is larger than
8807 HOST_BITS_PER_WIDE_INT.
8809 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8811 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
8812 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
8813 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
8815 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
8818 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
8820 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
8821 * h8300.h (TINY_DATA_NAME_P): Likewise.
8822 (STRIP_NAME_ENCODING): Handle '&'.
8824 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
8825 register (it could be accessed via an outer SUBREG).
8826 (REG_OK_FOR_BASE_P): Likewwise.
8827 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
8829 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
8832 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
8834 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8836 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
8837 must be offsettable so the splits can be made.
8839 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
8841 * config/i386/winnt.c: Include system.h, not stdio.h to get
8842 sys/param.h pulled in before rtl.h in case the system defines MIN
8845 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
8847 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
8849 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
8851 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
8853 * cpplib.c (cpp_define): Handle macros with parameters.
8855 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
8857 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
8858 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
8859 and DImode 64-bit. Use llong for minimal-toc SFmode and
8860 SYMBOL_REF / LABEL_REF 64-bit.
8861 (output_function_profiler): Use llong for profiler label and ld to
8862 load 64-bit label address.
8864 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
8866 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
8869 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
8871 * version.c: Bump for snapshot.
8873 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
8875 * version.c: Bump for snapshot.
8877 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
8879 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
8881 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
8883 * tm.texi (Misc): Fix typo "teh".
8885 * tm.texi (PIC): Fix typo "PPIC".
8887 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
8888 effect when -O2 and higher.
8889 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
8891 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
8893 * regclass.c: Changed register set documentation to be consistent
8896 * final.c (final_start_function) Removed redundant test for
8899 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
8901 * rtl.h (rtx_function): New type.
8902 (for_each_rtx): New function.
8903 * rtlanal.c (for_each_rtx): Define it.
8905 * recog.c (change_t): New type.
8906 (change_objects, change_old_codes, change_locs, change_olds):
8908 (changes): New variable.
8909 (validate_change): Dynamically allocate room for more changes, if
8910 necessary. Uses changes array instead of change_objects, etc.
8911 (apply_change_group): Use changes array instead of
8912 change_objects, etc.
8914 * loop.c (loop_mem_info): New type.
8915 (loop_mems): New variable.
8916 (loop_mems_idx): Likewise.
8917 (looop_mems_allocated): Likewise.
8918 (scan_loop): Remove nregs parameter.
8919 (next_insn_in_loop): New function.
8920 (load_mems_and_recount_loop_regs_set): Likewise.
8921 (load_mems): Likewise.
8922 (insert_loop_mem): Likewise.
8923 (replace_loop_mem): Likewise.
8924 (replace_label): Likewise.
8925 (INSN_IN_RANGE_P): New macro.
8926 (loop_optimize): Don't pass max_reg_num() to scan_loop.
8927 (scan_loop): Remove nregs parameter, compute it after any new
8928 registers are created by load_mems. Use INSN_IN_RANGE_P and
8929 next_insn_in_loop rather than expanding them inline. Call
8930 load_mems to load memory into pseudos, if appropriate.
8931 (prescan_loop): Figure out whether or not there are jumps from the
8932 loop to targets other than the label immediately following the
8933 loop. Call insert_loop_mem to notice all the MEMs used in the
8934 loop, if it could be safe to pull MEMs into REGs for the duration
8936 (strength_reduce): Use next_insn_in_loop. Tweak comments.
8938 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
8940 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
8942 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8944 * config/sparc/sparc.c (finalize_pic): Check for the correct
8945 nonlocal_goto_receiver UNSPEC number.
8946 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
8947 making note of this dependency existing in sparc.c
8948 (negtf2_notv9 split): Give NEG SFmode.
8949 (negsf2): Fix insn output string.
8951 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
8953 * c-common.c (decl_attributes): Issue an error if the argument
8954 to alias is not a string.
8956 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
8958 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
8959 pending memory flush list.
8961 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
8963 (try_combine): Allow combining insns with REG_LIBCALL notes.
8965 * expr.c (emit_block_move): Do not call memcpy as a libcall
8966 instead build up a CALL_EXPR and call it like any other
8968 (clear_storage): Similarly for memset.
8970 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
8973 * Makefile.in (cplus-dem.o): Provide explicit rules for building
8976 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
8977 and REG_LIVE_LENGTH as successful substitutions are made.
8979 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8981 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
8982 statement after end of loop label.
8984 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8986 * config/sparc/sparc.c (ultra_types_avail): New variable.
8987 (ultra_build_types_avail): New function to record mask of insn
8988 types in ready list at this cycle.
8989 (ultrasparc_sched_reorder): Call it.
8990 (ultra_find_type): Use it to quicken the search. Also simplif
8991 dependency check, don't use rtx_equal_p because we know exactly
8992 what we are looking for.
8994 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
8996 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
8997 for architecture v4.
8999 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9001 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
9003 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
9004 movdf_const_intreg and helper splits): New patterns to move float
9005 constants into integer registers.
9006 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
9009 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
9012 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
9014 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
9016 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
9017 a BASE_REGS register is needed as an intermediate when copying
9018 a symbolic value into any register class other than BASE_REGS.
9020 * expr.c (move_by_pieces): No longer static. Remove prototype.
9021 * rtl.h (move_by_pieces): Add extern prototype.
9022 * mips.c (expand_block_move): Handle aligned straight line copy by
9023 calling move_by_pieces.
9025 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
9028 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
9030 * stmt.c (expand_end_loop): Tidy. Allow unconditional
9031 jumps out of the loop to be treated as part of the exit test.
9033 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9034 Jeff Law <law@cygnus.com>
9036 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
9037 * cplus-dem.c: Delete.
9039 * Makefile.in (fold-const.o): depend on $(RTL_H).
9041 * fold-const.c: Include rtl.h to get the prototype for
9042 `set_identifier_local_value'.
9044 * loop.c (express_from_1): Remove unused variable `tmp'.
9045 (combine_givs): cast the first argument of bzero to char *.
9047 * toplev.c (display_help): Remove unused variable `looking_for_start'.
9049 * c-decl.c (init_decl_processing): Remove unneeded &.
9051 * alpha.h (alpha_initialize_trampoline): Provide prototype.
9053 * except.c (set_exception_lang_code, set_exception_version_code):
9054 Change parameter from `short' to `int' to avoid using a gcc
9057 * except.h (set_exception_lang_code, set_exception_version_code):
9058 Likewise for prototypes.
9060 * flow.c (count_reg_references): Remove unused variables `regno'
9063 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
9065 * prefix.c (translate_name): Cast the result of `alloca'.
9067 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
9069 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
9071 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
9073 (valid_dbcc_comparison_p): Mark mode argument as unused.
9074 (symbolic_operand): Likewise.
9075 (legitimize_pic_address): Likewise.
9076 (const_uint32_operand): Likewise.
9077 (const_sint32_operand): Likewise.
9078 * sched.c [!INSN_SCHEDULING]: Define only dummy function
9079 schedule_insns and comment out rest of file.
9081 * m68k.c (output_move_simode_const): Use subl to move a zero into an
9083 (output_move_[hq]imode): Likewise.
9085 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
9087 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
9088 * invoke.texi: Corresponding changes.
9090 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
9092 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
9094 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9096 * config/sparc/sparc.c (ultra_code_from_mask,
9097 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
9098 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
9099 ultrasparc_sched_init, ultrasparc_variable_issue,
9100 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
9101 functions to describe UltraSPARC pipeline exactly to Haifa.
9102 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
9103 as there is nothing the scheduler can do about it. Indicate that
9104 REG_DEP_OUTPUT's collide. Fixup formatting.
9105 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
9106 divide costs on Ultra for DImode.
9107 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
9109 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
9110 ieuN and add call_no_delay_slot to type list.
9111 (cti function unit): New unit for branches on UltraSPARC.
9112 (subx/addx insns): Set type to misc.
9113 (sidi zero/sign extension insns on arch64): Set type to shift.
9114 (sign_extendhidi2_insn): Set type to sload.
9116 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
9118 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
9119 (output_epilog): Use if != 0 for offset.
9120 (rs6000_fatal_bad_address): Prepare for Intl.
9121 * rs6000.h (rs6000_fatal_bad_address): Declare.
9122 * rs6000.md (movsfcc, movdfcc): Use else if.
9123 (elf_high): Use {liu|lis}.
9124 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
9125 (movsi): Use rs6000_fatal_bad_address.
9127 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
9129 * reload.c (find_equiv_reg): Reject equivalences separated
9130 by a volatile instruction.
9132 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9134 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
9136 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
9138 * alpha.md (movsicc): Fix mode mismatch.
9140 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
9142 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
9144 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
9146 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9148 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
9149 write-only modifier from operand 1 constraint.
9151 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9153 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
9154 emitting a XOR of -1 at the end, emit a NOT instead for combine's
9156 (sparc_emit_set_const64): Likewise, also when computing trailing
9157 bits do not negate low_bits and make fast_int an int.
9159 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
9161 * loop.c (add_label_notes): Do not ignore references to labels
9162 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
9163 * gcse.c (add_label_notes): Similarly.
9165 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
9167 * m68k.md (adddi_dilshr32): One of the operands must be a register.
9168 (adddi_dishl32): Similarly.
9170 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
9172 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
9173 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
9174 * cse.c (cse_basic_block): Add parens to shut up warnings.
9176 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9178 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
9179 sparc_emit_set_const64_longway, const64_is_2insns,
9180 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
9181 in 64-bit constant formation.
9182 * config/sparc/sparc.md (snesi_zero_extend split): Generate
9183 rtl for addx not subx.
9184 (define_insn movdi_const64_special): Make available even when
9185 HOST_BITS_PER_WIDE_INT is not 64.
9186 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
9187 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
9188 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
9189 instances of operand 1 inside a QI subreg.
9190 (xordi3_sp64_dbl): Remove '%' constraint for op1.
9191 (one_cmpldi2_sp64): Fix output string.
9192 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
9194 (unnamed arch64 ashift DI): Truncate shift count if greater than
9197 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9199 * expr.c (store_expr): Don't optimize away load-store pair
9200 when either source or destination have a side effect.
9202 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
9204 * genrecog.c (add_to_sequence): Fatal error if the modes of the
9205 operands of SET are incompatible.
9207 * alpha.md: Fix max and min patterns so modes of SET operands match.
9209 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
9211 * configure.in: Avoid [[ by using test and changequote.
9212 * configure: Rebuild.
9214 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9216 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
9218 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
9219 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
9220 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
9221 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
9222 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
9223 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
9224 Fix mismatching modes in SET operands.
9225 (conditional move patterns): Fix formatting.
9226 (unnamed subx arch64 pattern): Remove duplicate insn.
9228 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9230 * config/sparc/sparc.c (const64_operand, const64_high_operand):
9231 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
9232 (input_operand): Fixup test for what we accept for constant
9234 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
9236 (safe_constDI): Remove.
9237 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
9238 gen_safe_XOR64): New functions.
9239 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
9240 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
9242 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
9243 available when HOST_BITS_PER_WIDE_INT is not 64.
9244 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
9245 move before movdi_insn_sp64 pattern.
9246 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
9247 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
9248 symbolic_operand as predicate for second operand.
9249 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
9250 expander): Give set VOIDmode.
9252 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
9254 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
9256 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
9258 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
9260 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
9262 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
9264 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
9266 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
9268 * install.texi: Various SCO OpenServer tweaks.
9270 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
9272 * reload1.c (eliminate_regs_in_insn): Handle another case when
9273 eliminating the frame pointer to the hard frame pointer. Add
9274 missing ep->to_rtx check to one existing case.
9276 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
9278 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
9280 * tree.h: De-conditionalize init_priority code.
9282 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
9283 * collect2.c (NM_FLAGS): Change from -p to -n.
9285 * configure.in: Turn on collect2 for mipstx39-elf.
9286 Handle use_collect2=no properly.
9288 * c-common.c: De-conditionalize init_priority code.
9289 * collect2.c (extract_init_priority, sort_ids): New fns.
9290 (main): Call sort_ids.
9291 Move sequence_number to file scope.
9293 * configure.in: Handle --enable-init-priority.
9294 * c-common.c (attrs): Add A_INIT_PRIORITY.
9295 (init_attributes, decl_attributes): Likewise.
9296 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
9297 * tree.c (get_file_function_name_long): Split out...
9298 (get_file_function_name): ...from here.
9300 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
9302 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
9305 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
9307 * toplev.c (display_help): Add braces to shut up warnings.
9308 * tree.c (simple_cst_equal): Likewise.
9310 * fold-const.c (non_lvalue): Don't deal with null pointer
9312 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
9314 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
9315 of any size to a pointer.
9317 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
9319 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
9321 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
9323 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
9324 which will be saved.
9325 * mn10300.md (prologue insn): Only save registers which need saving.
9326 (epilogue insn): Similarly.
9328 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
9331 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
9333 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
9334 VAR_DECL's in gp addressable sections.
9336 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
9338 * sparc.c: Change return <exp> to <exp>; return; in functions
9340 * sparc.md: Add empty semicolon statement after final label in
9343 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9345 * config/sparc/sparc.md (define_insn addx_extend): Rename to
9346 addx_extend_sp64, only allow when TARGET_ARCH64.
9347 (define_insn addx_extend_sp32 and split): Version that works when
9349 (define_insn subx_extend): Likewise.
9350 (define_split adddi3 and subdi3 with zero extension): Fixup and
9351 correct bugs when not TARGET_ARCH64.
9353 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
9355 * except.c (set_exception_lang_code, set_exception_version_code):
9356 Use prototype-style definition if __STDC__, to match declaration
9359 * genemit.c: Change FAIL and DONE macros not to use loops.
9361 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
9363 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
9364 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
9366 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
9368 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
9370 * README.g77: Update from Craig.
9372 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9374 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
9376 (safe_constDI sparc_emit_set_const64_quick1,
9377 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
9378 analyze_64bit_constant, const64_is_2insns,
9379 create_simple_focus_bits): Fix some bugs when compiled on real
9381 (function_arg_record_value_3, function_arg_record_value_2,
9382 function_arg_record_value): Add fully prototyped forward decls.
9383 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
9384 to cmpsi_insn and use on both 64 and 32 bit targets.
9385 (define_insn cmpsi_insn_sp64): Remove.
9386 (define_expand zero_extendsidi2): Allow for 32-bit target too.
9387 (define_insn zero_extendsidi2_insn): Rename to
9388 zero_extendsidi2_insn_sp64.
9389 (define_insn zero_extendsidi2_insn_sp32): New pattern and
9390 assosciated forced split for it.
9392 * config/sparc/sparc.c (const64_operand, const64_high_operand):
9394 * config/sparc/sparc.h: Declare them.
9395 (PREDICATE_CODES): Add them.
9396 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
9397 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
9399 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
9401 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
9402 in v9 case as the latter makes the Solaris assembler crash.
9404 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9406 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
9407 for TFmode when !v9. We require offsettable memory addresses.
9408 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
9409 DFmode register number conversions.
9410 * config/sparc/sparc.md (define_split DFmode moves): If register
9411 is a SUBREG do alter_subreg on it before using.
9412 (define_expand movtf): Fixup comment about alignment on v9.
9413 (define_split TFmode moves): Don't use gen_{high,low}part, create
9414 explicit SUBREGs instead.
9416 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
9418 * Makefile.in (mbchar.o): Depend on mbchar.c.
9420 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9421 Richard Henderson <rth@cygnus.com>
9423 Rewrite Sparc backend for better code generation and
9424 improved sparc64 support.
9425 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
9427 * config/sparc/sysv4.h: Likewise.
9428 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
9429 move_operand, v8plus_regcmp_op, emit_move_sequence,
9430 singlemove_string, doublemove_string, mem_aligned_8,
9431 output_move_double, output_move_quad, output_fp_move_double,
9432 move_quad_direction, output_fp_move_quad, output_scc_insn):
9434 (small_int_or_double): New predicate.
9435 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
9436 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
9437 old pic_{sethi,lo_sum}_si patterns.
9438 (mem_min_alignment): New generic function to replace
9439 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
9440 available and can test for arbitrary alignments. All callers
9442 (save_regs, restore_regs, build_big_number,
9443 output_function_prologue, output_cbranch, output_return,
9444 sparc_flat_save_restore, sparc_flat_output_function_prologue,
9445 sparc_flat_output_function_epilogue): Prettify
9447 (output_function_epilogue): Likewise and add code to output
9448 deferred case vectors.
9449 (output_v9branch): Likewise, add new arg INSN and use it to tack
9450 on branch prediction settings. All callers changed.
9451 (print_operand): Likewise and output %l44 for LO_SUMs when
9453 (sparc_splitdi_legitimate): New function to make sure DImode
9454 splits can be run properly when !arch64.
9455 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
9456 Reformat example code in comments.
9457 (set_extends): Remove UNSPEC/v8plus_clear_high case.
9458 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
9459 of deferred case vectors we need to output.
9460 (sparc_defer_case_vector): Record a case vector.
9461 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
9462 sparc_output_deferred_case_vectors): New functions to output them.
9463 (sparc_emit_set_const32): New function to form 32-bit constants in
9464 registers when that requires more than one instruction.
9465 (safe_constDI, sparc_emit_set_const64_quick1,
9466 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
9467 analyze_64bit_constant, const64_is_2insns,
9468 create_simple_focus_bits, sparc_emit_set_const64): New functions
9469 which do the same for 64-bit constants when arch64.
9470 (sparc_emit_set_symbolic_const64): New function to emit address
9471 loading for all code models on v9.
9472 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
9473 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
9474 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
9475 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
9476 inaccuracies in comments, add symbolic and text_segment operands
9477 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
9478 GENERAL_REGS in these cases as a temp REG is needed to load these
9479 addresses into a register properly.
9480 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
9482 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
9483 quads are guarenteed to have 16-byte alignment.
9484 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
9485 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
9486 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
9487 deferred case vector implementation.
9488 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
9489 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
9490 Generate "internal label - label" instead of "label - 1b".
9491 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
9492 (PREDICATE_CODES): Remove sparc_operand, move_operand,
9493 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
9495 (doublemove_string, output_block_move, output_fp_move_double,
9496 output_fp_move_quad, output_move_double, output_move_quad,
9497 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
9498 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
9499 (sparc_emit_set_const32, sparc_emit_set_const64,
9500 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
9501 mem_min_alignment, small_int_or_double): Add externs.
9502 * config/sparc/sparc.md: Document the many uses of UNSPEC and
9503 UNSPEC_VOLATILE in this backend.
9504 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
9505 unary to types which execute in it.
9506 (define_function_unit ieu_shift): Rename to ieu0.
9507 (define_function_unit ieu1): New, executes compare, call, and
9508 uncond_branch type insns.
9509 (define_function_units for type fdivs, fdivd, fsqrt): These
9510 execute in the fpu multiply unit not the adder on UltraSparc.
9511 (define_expand cmpdi): Disallow TARGET_V8PLUS.
9512 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
9513 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
9514 allows the arith_double_operand predicate and rHI constraint when
9516 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
9517 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
9518 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
9519 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
9520 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
9521 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
9522 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
9523 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
9524 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
9525 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
9526 sign_extendqihi2_insn, sign_extendqisi2_insn,
9527 sign_extendqidi2_insn, sign_extendhidi2_insn,
9528 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
9529 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
9530 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
9531 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
9532 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
9533 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
9534 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
9535 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
9536 smulsi3_highpart_v8plus, unnamed subreg mult,
9537 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
9538 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
9539 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
9540 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
9541 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
9542 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
9543 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
9544 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
9545 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
9546 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
9547 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
9548 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
9549 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
9550 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
9551 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
9552 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
9553 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
9554 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
9555 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
9556 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
9557 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
9558 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
9559 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
9560 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
9561 call_address_untyped_struct_value_sp32,
9562 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
9563 call_value_symbolic_sp32, call_value_address_sp64,
9564 call_value_symbolic_sp64, branch_sp32, branch_sp64,
9565 flush_register_windows, goto_handler_and_restore,
9566 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
9567 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
9568 return_addsi, return_di, return_adddi, return_sf, all call+jump
9569 peepholes, trap, unnamed trap insns): Prettify output strings.
9570 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
9571 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
9572 Likewise and force + implement splits for integer cases.
9573 (define_insn return_sf_no_fpu): Likewise and allow to match when
9574 no-fpu because of our subreg SFmode splits.
9575 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
9576 zero_extendqidi2_insn, zero_extendhidi2_insn,
9577 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
9578 input_operand for second operand.
9579 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
9580 reg_or_0_operand for operand 2 so new splits can use it.
9581 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
9582 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
9584 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
9585 CONST_DOUBLEs for operand 2.
9586 (define_insn move_label_di): Likewise and label distance
9587 optimization because it no longer works with new deferred case
9588 vector scheme. To be revisited.
9589 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
9590 and allow reg_or_0_operand and J constraint for second operand.
9591 (define_insn jump): Set branch predict taken on V9.
9592 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
9593 new deferred case vector scheme.
9594 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
9595 (define_insn negdi2_sp32): Force + implement splits.
9596 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
9597 one_cmplsi2_not_liveg0 respectively, and create expander of original
9598 names which emit special rtl for TARGET_LIVE_G0.
9599 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
9600 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
9601 gen_compare_reg, FAIL instead.
9602 (define_insn sgtu, sleu): Likewise and check gen_s*() return
9603 values when trying to reverse condition codes, if they FAIL then
9605 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
9606 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
9607 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
9608 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
9609 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
9610 set output string to # to indicate they are mandatory splits.
9611 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
9612 pic_sethi_di, move_pic_label_si): Remove.
9613 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
9614 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
9616 (define_expand movsi_pic_label_ref, define_insn
9617 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
9618 expander and insns to handle PIC label references and deferred
9620 (define_insn get_pc_via_rdpc): Comment out as it is no longer
9622 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
9623 Rewrite to not use emit_move_sequence, make use of new constant
9624 formation code, and new splits for all multi-insn cases.
9625 (define_insn movqi_insn): Remove sethi case, it can never happen.
9626 Use reg_or_zero_operand instead of const0_rtx explicit test,
9627 use input_operand instead of move_operand for source, and use
9628 general_operand now for dest.
9629 (define_insn movhi_insn): Similar but leave sethi case.
9630 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
9631 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
9632 movhi_lo_sum respectively, prettify output string.
9633 (define_insn movsi_zero_liveg0): New pattern to put zero into a
9634 register when needed on TARGET_LIVE_G0.
9635 (define_insn movsi_insn): Use general_operand and input_operand
9636 for dest and src respectively. Simplify applicability test.
9637 Prettify output strings, and add clr alternative for J
9639 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
9640 deprecated std and reg-reg DI moves): Remove and...
9641 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
9642 implementation which uses forced splits for all non-single insn
9644 (define_split DI move cases on !arch64): New splits to handle all
9645 situations of 64-bit double register DImode on 32bit, and
9646 unaligned registers and memory addresses for all subtargets.
9647 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
9649 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
9650 input_operand for dest and src respectively, prettify output
9652 (define_insn movdf_insn, movdf_no_e_insn, store_df,
9653 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
9655 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
9656 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
9657 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
9658 movtf_no_e_insn_sp64) Replace with new
9659 implementation which uses forced splits for all non-single insn
9661 (define_split DF move cases): New splits in similar vein to DI
9663 (define_insn sethi_di_medlow, sethi_di_medium_pic,
9664 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
9665 movdi_sp64_insn): Remove old v9 code model and constant loading
9667 (define_insn pic_lo_sum_di, pic_sethi_di,
9668 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
9669 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
9670 embmedany_sethi, embmedany_losum, embmedany_brsum,
9671 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
9672 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
9673 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
9674 scheme, using unspecs, secondary reloads, and one to one sparc
9675 insn to rtl insn mapping for better scheduling and code gen.
9676 (define_expand reload_indi, reload_outdi): Reload helpers for
9677 MEDANY and EMBMEDANY symbol address loading cases which require a
9679 (define_expand movsicc): Remove v8plus_regcmp cases.
9680 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
9681 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
9682 cmp_diqi_trunc_set): New patterns used by some of the new scc
9684 (define_insn xordi3_sp64_dbl): New pattern used for constant
9685 formation when crossing from 32-bit targets.
9686 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
9688 (define_insn addx, subx): Make visible and prettify.
9689 (define_insn adddi3_insn_sp32): Likewise and force split.
9690 (define_insn addx_extend, subx_extend, unnamed): New patterns for
9691 64bit scc split usage.
9692 (define_insn unnamed plusDI zero_extend, unnamed minusDI
9693 zero_extend, subdi3): Force and implement splits.
9695 * final.c (final_scan_insn): Don't output labels if target
9696 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
9699 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
9700 don't forget to walk inside SEQUENCESs too as these are what the
9701 delay slot scheduler will create.
9703 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
9705 * alpha.md (extxl+1,+2): New patterns to work around
9708 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
9710 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
9711 caused bad assembly code to be generated.
9713 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
9715 * netbsd.h: Fix typo.
9717 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
9719 * config.sub: Fix typo.
9721 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
9723 * invoke.texi (Environment Variables): Typo: Change "ascpects"
9725 (Running Protoize): Typo: Change "ther" into "other".
9727 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
9729 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
9730 * m68k/netbsd.h: Likewise.
9731 * ns32k/netbsd.h: Likewise.
9732 * sparc/netbsd.h: Likewise.
9734 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
9736 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
9737 * ginclude/va-clipper.h (va_list): Likewise.
9739 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
9741 * rs6000.c (rs6000_override_options): If big endian and -Os, use
9742 load/store multiple instructions unless user overrides.
9744 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
9746 * ns32k/netbsd.h: Fix typo.
9748 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
9750 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
9751 labels with .debugsym if no parallel insns.
9753 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
9755 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
9756 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
9758 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
9760 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
9761 (AR_FOR_TARGET): Define.
9763 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
9765 * dyn-string.h: New file.
9766 * dyn-string.c: Likewise.
9767 * Makefile.in (OBJS): Add dyn-string.o.
9768 (dwarf2out.o): Add dyn-string.h dependency.
9769 (dyn-string.o): List dependencies.
9770 * dwarf2out.c: Include dyn-string.h.
9771 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
9772 (addr_const_to_string): Take a dyn_string_t, not a char* as a
9773 prototype. Use dyn_string_append rather than strcat, throughout.
9774 (addr_to_string): Use dyn_string_t.
9776 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
9778 Function entry/exit profiling instrumentation:
9779 * expr.h (profile_function_entry_libfunc,
9780 profile_function_exit_libfunc): Declare new variables.
9781 * optabs.c: Define them here.
9782 (init_optabs): Initialize them.
9783 * tree.h (struct tree_decl): New flag
9784 no_instrument_function_entry_exit.
9785 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
9786 * c-decl.c (duplicate_decls): Merge it.
9787 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
9788 (init_attributes): Use it for "no_instrument_function".
9789 (decl_attributes): Handle it, for functions that have not yet been
9790 compiled. Set decl flag.
9791 * flags.h (flag_instrument_function_entry_exit): Declare new
9793 * toplev.c (flag_instrument_function_entry_exit): Define it here.
9794 (f_options): New option "instrument-functions".
9795 * function.h (struct function): New field instrument_entry_exit.
9796 * function.c (current_function_instrument_entry_exit): New
9798 (push_function_context_to, pop_function_context_from): Save and
9800 (expand_function_start): Set current_ variable, maybe emit return
9801 label and entry profile call.
9802 (expand_function_end): Maybe emit exit profile call.
9804 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
9806 * i386.md (movqi): When optimizing a load of (const_int 1) into a
9807 NON_QI_REG_P, pretend the register is SImode.
9809 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
9811 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
9812 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
9813 manufacturer id for ns32k.
9814 * configure: Regenerated.
9815 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
9816 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
9817 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
9818 * config/m68k/netbsd.h: Same.
9819 * config/ns32k/netbsd.h: Same.
9820 * config/sparc/netbsd.h: Same.
9822 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
9824 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
9825 or UNROLL_COMPLETELY loop that starts with a jump to its
9828 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
9830 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
9831 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
9832 (print_operand, case 'B'): Don't fall through.
9833 (print_operand, case 'S'): Correct mask begin/end computation.
9834 Use HOST_BITS_PER_WIDE_INT.
9835 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
9836 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
9837 * rs6000/aix41.h (CPP_PREDEFINES): Same.
9838 * rs6000/aix43.h (CPP_PREDEFINES): Same.
9840 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
9842 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
9843 constraint from second alternative.
9845 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
9847 * configure.in: Fix --without/--disable cases for local-prefix,
9848 gxx-include-dir and checking.
9850 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9852 * configure.in (enable_haifa): Set by default for sparc64 too.
9855 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
9857 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
9858 * i386/winnt.c (associated_type): New fn.
9859 (i386_pe_valid_type_attribute_p): New fn.
9860 (i386_pe_check_vtable_importexport): Remove.
9861 (i386_pe_dllexport_p): Use associated_type.
9862 (i386_pe_dllimport_p): Likewise.
9864 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
9865 * i386.c (i386_valid_type_attribute_p): Also accept
9866 attributes for METHOD_TYPEs.
9868 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
9870 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
9872 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
9874 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
9876 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
9877 them from generating a new base name for each occurence of
9880 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
9882 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
9884 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
9888 * cplus-dem.c (type_kind_t): New type.
9889 (demangle_template_value_parm): Add type_kind_t parameter. Rely
9890 on this paramter, rather than demangling the type again.
9891 (demangle_integral_value): Pass tk_integral.
9892 (demangle_template_: Pass the value returned from do_type.
9893 (do_type): Return a type_kind_t. Pass tk_integral to
9894 demangle_template_value_parm for array bounds.
9895 (demangle_fund_type): Likewise.
9897 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
9899 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
9902 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
9904 * pa.c (move_operand): Accept CONSTANT_P_RTX.
9906 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
9908 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
9910 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
9913 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
9915 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
9916 (DEBUGGER_ARG_OFFSET): Likewise.
9918 * mn10300.md (movsf): Remove last change. Not needed.
9920 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
9922 * c-lex.c (yylex): Fix boundary conditions in character literal and
9923 string literal loops.
9925 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
9927 * longlong.h (count_leading_zeros): Sparclite scan instruction was
9928 being invoked incorrectly.
9930 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
9931 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
9933 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
9934 * configure.in: Added i[34567]86-*-win32
9935 * config.sub: Ditto.
9936 * configure: Rebuilt.
9938 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
9940 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
9941 the frame pointer and compiling PIC code and reload has not completed.
9943 * i386.c (output_to_reg): Add code to emulate non-popping DImode
9946 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
9948 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
9950 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9952 * Makefile.in (install-info): Only try to update the info
9953 directory file if it exists in the first place.
9955 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
9957 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
9959 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
9961 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
9962 CONST_DOUBLE source.
9964 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
9966 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
9967 strings as the insertion of USER_LABEL_PREFIX.
9968 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
9970 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
9973 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
9975 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
9976 already defined type.
9978 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
9980 * expr.c (check_max_integer_computation_mode): Allow conversions
9981 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
9982 (expand_expr): Likewise.
9984 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
9986 * expr.c (expand_expr): Expand RETURN_EXPR.
9988 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
9990 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
9992 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
9994 * dwarf2out.c (output_aranges): Call stripattributes
9995 for TEXT_SECTION references.
9996 (output_line_info): Likewise.
9998 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10000 * profile.c (branch_prob): Call allocate_reg_info after outputting
10001 profile rtl in instrument_arcs.
10003 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
10005 * fixinc.irix (math.h): Install wrapper instead of copying.
10007 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
10009 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
10010 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
10011 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
10012 lang_flag_0. Added documentation in the flag table.
10014 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
10016 * cccp.c (do_include): Fix vax c style include handling.
10018 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
10020 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
10022 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
10024 * fold-const.c (non_lvalue): Don't deal with null pointer
10026 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
10028 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
10030 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
10031 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
10032 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
10033 (u_short_cint_operand): Same.
10034 (reg_or_cint_operand): Same.
10035 (logical_operand): Same.
10036 (input_operand): Same.
10037 (reg_or_short_operand): Use u_short_cint_operand.
10039 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
10041 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
10042 but keep the insns and splits. Adjust so when the ultimate destination
10043 is memory, use cvtql.
10045 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
10047 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
10049 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
10051 * gcc.c (do_spec): Call "error" not "warning".
10053 * configure.in: Fix minor problems with gas feature detection code.
10054 * configure: Rebuilt.
10056 * gcc.c (do_spec): Issue a warning for '%[]' usage.
10058 * Undo this change.
10059 * gcc.c: Delete %[spec] support.
10060 (do_spec_1, case '('): Likewise.
10061 (do_spec_1, case '['): Call error.
10063 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
10065 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
10066 (CPP_SUBTARGET_SPEC): Default to empty string.
10067 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
10068 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
10069 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
10070 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
10072 * alpha/linux.h (CPP_PREDEFINES): Tidy.
10073 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
10074 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
10075 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
10076 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
10077 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
10078 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
10079 * alpha/vxworks.h: Likewise.
10081 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
10083 * mips.md (reload_outsi): Added missing REGNO call.
10084 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
10086 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
10087 another match_operator and compare the codes.
10089 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
10091 * MIPS multiply pattern fixes:
10092 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
10093 Add union classes for HI, LO, or HILO plus general registers.
10094 (GENERATE_MADD): Deleted.
10095 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
10096 Add TARGET_MAD to condition.
10097 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
10098 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
10099 "*d" for accumulator, to give preference to LO initially but not
10102 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
10104 * configure.in (enable_c_mbchar): New configure option.
10105 (extra_cpp_objs): Always available now.
10107 * cexp.y (mbchar.h): #include it.
10108 (yylex): Handle Multibyte characters in character literals.
10110 * cccp.c (mbchar.h): #include it.
10111 (main): Set character set based on LANG environment variable.
10112 (rescan): Handle multibyte characters in comments.
10113 (skip_if_group): See above.
10114 (validate_else): See above.
10115 (skip_to_end_of_comment): See above.
10116 (macarg1): See above.
10117 (discard_comments): See above.
10118 (rescan): Handle multibyte characters in string and character literals.
10119 (collect_expansion): See above.
10120 (skip_quoted_string): See above.
10121 (macroexpand): See above.
10122 (macarg1): See above.
10123 (discard_comments): See above.
10124 (change_newlines): See above.
10126 * c-lex.c (mbchar.h): #include it.
10127 (GET_ENVIRONMENT): New macro.
10128 (init_lex): Set character set based on LANG environment variable.
10129 (yylex): Handle multibyte characters in character literals.
10130 (yylex): Handle multibyte characters in string literals.
10132 * Makefile.in (mbchar.o): New target.
10133 (cccp$(exeext)): @extra_cpp_objs@ is always available.
10134 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
10136 * mbchar.[ch]: New files for multibyte character handling.
10138 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10140 * jump.c (jump_optimize): When simplifying noop moves and
10141 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
10142 the PUSHes to rewrite in second loop as we did in the first.
10144 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10146 * cplus-dem.c (demangle_nested_args): Make function definition
10147 static to match the prototype.
10149 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
10151 * alloca.c: Respect USE_C_ALLOCA.
10152 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
10153 * gengenrtl.c (xmalloc): Likewise.
10155 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
10157 * loop.h (struct induction): Add no_const_addval.
10158 * loop.c (the_movables, reg_address_cost): New variables.
10159 (init_loop): Init reg_address_cost.
10160 (loop_optimize): Call end_alias_analysis.
10161 (scan_loop): Init the_movables.
10162 (record_giv): Init induction->no_const_addval.
10163 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
10164 [REG]: Rearrange loop search test to catch more cases.
10165 (general_induction_var): Return success not benefit; take an extra
10166 argument for that. Change all callers.
10167 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
10168 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
10169 [default]: Search the_movables for additional combinations.
10170 (sge_plus_constant, sge_plus): New functions.
10171 (express_from_1): New function.
10172 (express_from): Always define. Rewrite using express_from_1.
10173 (combine_givs_p): Handle more cases. Ignore address cost.
10174 (cmp_combine_givs_stats): New function.
10175 (combine_givs_used_once, combine_givs_benefit_from): New functions.
10176 (combine_givs): Rewrite to do best-fit combination.
10178 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
10179 (fold): Do a complete (A*C)+(B*C) association check.
10181 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
10183 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
10185 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
10187 * mn10300.c (MODES_TIEABLE_P): Fix typo.
10189 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
10191 * tree.c (valid_machine_attribute): Only create a new type variant if
10192 there is a decl to use it.
10194 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
10196 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
10199 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
10201 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
10204 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
10206 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
10207 Simplify tests for clearing an address register.
10208 (expand_prologue): Corresponding changes.
10210 * mn10300.md (movXX patterns): Make sure the destination is an
10211 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
10212 (logical patterns): Split into expanders + patterns
10213 (zero and sign extension patterns): Similarly.
10214 (shift patterns): Similarly.
10216 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
10218 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
10219 for the sequence, recording base values.
10221 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
10223 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
10225 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
10227 * gcc.c: Remove ANSI-C ism from --help code.
10229 * toplev.c: Support --help with USE_CPPLIB.
10231 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
10233 * configure.in: Rework gas feature code to work with symlink based
10236 * extend.texi: Clarify some issues related to local variables
10237 assigned to explicit registers.
10239 * mn10300.md (mulsi): Turn into expander + pattern.
10241 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
10244 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
10246 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
10248 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
10250 * version.c: Bump again to distinguish mainline tree from the
10253 See ChangeLog.0 for earlier changes.
10256 add-log-time-format: current-time-string