1 1999-02-08 Michael Meissner <meissner@cygnus.com>
3 This is being installed only to get it into the repository to help
4 with the revert, resubmit & review process for the massive rs6000.md
6 * rs6000.md (andsi3_internal1 splitter): Don't split if using the
8 (anddi3_internal1): Ditto.
9 (andsi3_internal{2,3}): Correct some insn lengths.
10 (anddi3*): Restore missing TARGET_POWERPC64, and don't emit old
13 Mon Feb 8 21:31:06 1999 Richard Henderson <rth@cygnus.com>
15 * loop.c (reg_single_usage): New file-scope variable ...
16 (scan_loop): ... moved out of here. Always initialize.
17 Test loop_has_call instead of reg_single_usage not zero.
18 Free reg_single_usage after strength reduction.
19 (count_loop_regs_set): Assume single_usage non-zero.
20 (combine_givs_used_by_other): Test reg_single_usage.
21 (load_mems_and_recount_loop_regs_set): Remove reg_single_usage
22 as a parameter. Assume non-zero.
24 1999-02-08 23:25 -0500 Zack Weinberg <zack@midnite.ec.rhno.columbia.edu>
26 * cpplib.c (special_symbol): Rewrite. Don't copy things
27 multiple times. Handle __STDC__ specially. T_CONST
28 indicates a constant /string/. Don't handle T_*_TYPE and
29 T_SPEC_DEFINED. Use cpp_buf_line_and_col instead of
30 adjust_position. Determine the file buffer only if needed.
31 (initialize_builtins): Handle __SIZE_TYPE__,
32 __PTRDIFF_TYPE__, __WCHAR_TYPE__, __USER_LABEL_PREFIX__, and
33 __REGISTER_PREFIX__ with T_CONST special hashtab entries.
34 Don't provide __OBJC__; the driver does that. Provide
35 __STDC_VERSION__, using T_CONST. Use T_STDC for
36 __STDC__. Give install the length of all symbols defined.
37 (eval_if_expression): Drop code to insert and remove the
38 "defined" special symbol.
40 * cpplib.h: Remove SELF_DIR_DUMMY (no longer used). Remove
41 T_*_TYPE and T_SPEC_DEFINED from enum node_type; add T_STDC.
43 * cpphash.c (install): Drop the `ivalue' parameter. Constify
44 the `value' parameter. All callers changed.
45 * cpphash.h (install): Change prototype to match.
46 (union hashval): Remove `ival' member.
47 * cppexp.c (cpp_lex): Handle `defined' here.
49 Mon Feb 8 17:29:42 1999 Jeffrey A Law (law@cygnus.com)
51 * pa.h (EXTRA_CONSTRAINT): Fix comment.
53 Mon Feb 8 18:57:45 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
55 * c-typeck.c (check_init_type_bitfields): Use nonincremental
56 initialization of unions whose first member is a bitfield.
57 Remove unnecessary code for checking the declaration mode
58 after DECL_C_BIT_FIELD.
60 * varasm.c (output_constructor): Additional comment about the
61 constructor of bitfield union initialization.
63 Tue Feb 9 11:55:04 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
65 * config/c4x/c4x.md (*movhi_stik): New pattern.
66 (movhi): Allow some immediate constants to be directly
69 Tue Feb 9 11:34:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
71 * config/c4x/c4x.md (all call patterns): Add constraints "Ur".
72 (call, call_value): Force address into a register if not valid
73 for a call instruction.
74 (load_immed_address): Emit a USE of the SYMBOL_REF that is
76 * config/c4x/c4x.c (c4x_print_operand): Fix 'C' and 'U' modifiers.
78 Tue Feb 9 11:08:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
80 * config/c4x/c4x.c (call_address_operand, symbolic_address_operand):
81 Rename from call_operand and symbolic_operand respectively. All
83 * config/c4x/c4x.md (call_address_operand, symbolic_address_operand):
85 * config/c4x/c4x.h (call_address_operand, symbolic_address_operand):
87 (PREDICATE_CODES): Allow CONST, LABEL_REF for call_address_operand.
89 Tue Feb 9 10:52:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
91 * config/c4x/c4x.c (c4x_legitimize_address): Don't generate a
92 LO_SUM address for HImode or HFmode but instead force address into
93 a register so that it is offsettable.
94 (c4x_emit_move_sequence): Handle LO_SUM immediate address.
96 Tue Feb 9 10:46:42 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
98 * config/c4x/c4x.c (c4x_address_cost): Return cost of 1 for
99 REG+REG addressing if strength reduction enabled.
101 Tue Feb 9 10:10:31 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
103 * config/c4x/t-c4x (LIBGCC2_CFLAGS): Delete.
104 (TARGET_LIBGCC2_CFLAGS): Define.
106 1999-02-08 Nick Clifton <nickc@cygnus.com>
108 * config/v850/v850.md: Replace \\n\\t with \\;
110 * config/v850/v850.md: Enforce TARGET_LONG_CALLS option.
111 * config/v850/v850.c (construct_restore_jr, construct_save_jarl):
112 Enforce TARGET_LONG_CALLS option.
114 Mon Feb 8 11:43:07 1999 Donn Terry <donn@interix.com>
116 * real.c (PUT_REAL) [XFmode]: Zero the balance of the structure.
118 Mon Feb 8 11:37:24 1999 Marc Espie (espie@cvs.openbsd.org)
120 * m88k/t-luna-gas: Remove bash dependency.
122 Mon Feb 8 11:34:44 1999 Graham <grahams@rcp.co.uk>
124 * collect2.c (xrealloc): Fix typo in last change.
126 Mon Feb 8 09:13:38 PST 1999 Jeff Law (law@cygnus.com)
128 * version.c: Bump for snapshot.
130 Sun Feb 7 22:18:42 1999 Robert Lipe <robertlipe@usa.net>
132 * tree.h (TYPE_CHECK): Make it clear to the preprocessor
133 that we do not want macro replacement within a character constant.
134 (TYPE_CHECK1): Likewise.
136 Sun Feb 7 15:37:10 1999 Jason Merrill <jason@yorick.cygnus.com>
138 * tree.h (DECL_P): New macro.
140 Sun Feb 7 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
142 * version.c: Bump for snapshot.
144 Sat Feb 6 18:14:46 1999 Jeffrey A Law (law@cygnus.com)
146 * mn10300.md (reload_insi): Do not earlyclobber the output operand.
148 * README.g77, gcc.c, gcc.texi: Update email addresses.
149 * invoke.texi system.h: Likewise.
151 Sat Feb 6 11:04:08 1999 Jim Wilson <wilson@cygnus.com>
153 * unroll.c (find_splittable_givs): After express_from, call replace_rtx
154 to convert dest_reg to new_reg.
156 Sat Feb 6 10:31:35 1999 Jeffrey A Law (law@cygnus.com)
158 * reload1.c (reload_combine_note_store): Be more careful with
159 STRICT_LOW_PART, ZERO_EXTRACT and SIGN_EXTRACT.
160 (move2add_note_store): Likewise.
162 Sat Feb 6 10:18:01 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
164 * cppfiles.c (read_and_prescan): Cast the result of `xrealloc' to
165 U_CHAR* when assigning to one. Ensure the values of a ?: operator
168 * cppinit.c (initialize_char_syntax): Use K&R function definition.
170 Sat Feb 6 11:17:03 1999 Richard Earnshaw <rearnsha@arm.com>
173 * config/arm/arm.c (all_procs): Add arm9 and arm9tdmi.
174 * config/arm/arm.h ((TARGET_CPU_arm9, TARGET_CPUD_arm9tdmi): Define.
175 (TARGET_CPU_DEFAULT): Rework to support ARM9.
176 (CPP_CPU_ARCH_SPEC): Likewise.
177 (enum processor_type): Likewise.
178 * config/arm/arm.md (attr cpu): Add arm9.
180 General scheduling changes
181 * config/arm/arm.c (MAX_INSNS_SKIPPED): Delete.
182 (max_insns_skipped): New variable.
183 (arm_override_options): If generating hard floating point code for
184 the FPA, emit code for version 3.
185 When optimizing for space, don't synthesize constants.
186 Reword several flags based on the requested processor and optimization
188 (use_return_insn): New argument iscond, all callers changed. Don't
189 use a return insn if it will be conditional and that would be
190 expensive; eg on StrongARM.
191 (arm_adjust_cost): Anti- and output- dependencies normally have no
193 (load_multiple_sequence): Newer ARMs don't benefit from ldm if
194 the sequence is short.
195 (final_prescan_insn): Use max_insns_skipped instead of
196 MAX_INSNS_SKIPPED. Note whether we will make a return instruction
197 conditional, and aviod this if it would be expensive.
198 * config/arm/arm.md (scheduling attributes and function units):
199 Rewrite to better describe ARM8, 9 and StrongARM.
201 * config/arm/arm.md (*movhi_insn_littleend): Make op0 predicate
203 (*ifcompare_plus_move): Use arm_rhs_operand in place of
204 arm_rhsm_operand. Rework constraints.
205 (*if_plus_move): Likewise.
206 (*ifcompare_move_plus): Likewise.
207 (*if_move_plus): Likewise.
208 (*ifcompre_arith_move): Likewise.
209 (*if_arith_move): Likewise.
210 (*ifcompare_move_arith): Likewise.
211 (*if_move_arith): Likewise.
213 * config/arm/xm-netbsd.h: Don't include arm/xm-arm.h.
215 1999-02-05 Michael Meissner <meissner@cygnus.com>
217 * loop.c (check_dbra_loop): A store using an address giv for which
218 we have no life information is not reversible.
220 Fri Feb 5 17:08:01 1999 Dave Brolley <brolley@cygnus.com>
222 * function.c (fixup_var_refs): Scan catch_clauses too.
224 Fri Feb 5 11:49:49 1999 Benjamin Kosnik <bkoz@loony.cygnus.com>
226 * c-common.c (decl_attributes): Fix reserved space for init_priority.
227 * tree.h (MAX_RESERVED_INIT_PRIORITY): New macro.
229 Fri Feb 5 12:37:05 1999 Jeffrey A Law (law@cygnus.com)
231 * loop.c (strength_reduce): Clear not_every_iteration when
232 passing the NOTE_INSN_LOOP_CONT note.
234 * haifa-sched.c (add_dependence): Do not add a dependency on a
237 Fri Feb 5 10:55:43 1999 Nick Clifton <nickc@cygnus.com>
239 * recog.c (split_block_insns): Only call update_flow_info if
240 instruction scheduling is enabled.
242 1999-02-05 11:22 -0500 Zack Weinberg <zack@rabi.columbia.edu>
244 * Makefile.in (gen-protos): Use libcpp.a like everyone else.
246 Fri Feb 5 07:09:29 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
248 * loop.c (first_loop_store_insn): New file-scope variable.
249 (prescan_loop): Set it.
250 (check_dbra_loop): Check if a store depends on a register
251 that is set after the store.
253 Fri Feb 5 06:55:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
255 * unroll.c (entire file): Remove tabs / spaces at end of lines.
256 Replace spaces with tabs where appropriate.
258 Thu Feb 4 15:12:41 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
260 * loop.c (scan_loop): New argument loop_cont. Changed caller.
261 (strength_reduce): New argument loop_cont. Changed caller.
262 Before clearing not_every_iteration after a label, check if
263 we are not already past LOOP_CONT.
265 1999-02-04 16:04 -0500 Zack Weinberg <zack@rabi.columbia.edu>
267 * cpperror.c (cpp_print_containing_files): Fix formatting
268 bug induced by merge.
270 1999-02-04 14:33 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
272 * cpplib.c (initialize_char_syntax): Move to cppinit.c.
273 (cpp_define): Remove redundant syntax checks.
274 (make_assertion): Rename cpp_assert, remove redundant syntax
276 (cpp_options_init): Don't init things to zero twice.
277 (cpp_expand_to_buffer): Use memcpy, not a char-by-char loop.
278 (do_include): Kill excessively verbose #import warning that
279 snuck back in in the gcc2 merge.
280 (convert_string): Removed.
281 (do_line): Rewrite with simple last-name-used cache instead of
283 (cpp_start_read): Call initialize_char_syntax here, not...
284 (cpp_reader_init): ...here.
285 (cpp_handle_options): Support the -std switch.
286 * cpplib.h (cpp_buffer): Add last_nominal_fname member.
287 (cpp_options): Add c9x flag.
288 Declare all the is_* tables and trigraph table here, as const.
289 Prototype cpp_assert and initialize_char_syntax.
290 * cppinit.c: New file.
291 * cppfiles.c (read_and_prescan): Optimize.
292 * Makefile.in (LIBCPP_OBJS): Add cppinit.o.
294 Thu Feb 4 10:46:30 1999 Gavin Romig-Koch <gavin@cygnus.com>
296 * config/mips/mips.md ([u]divmodsi4,[u]divmoddi4,[u]divsi3,[u]divdi3,
297 [u]modsi3,[u]moddi3) : Don't copy the "zero" argument to a register
298 before calling gen_div_trap.
300 Wed Feb 3 21:56:27 1999 Jeffrey A Law (law@cygnus.com)
302 * configure.in (hppa1.1-*-*, hppa2*-*): Use symbolic value rather
303 than numeric value for target_cpu_default..
304 * configure: Rebuilt.
306 Wed Feb 3 21:55:56 1999 Marc Espie <Marc.Espie@liafa.jussieu.fr>
308 * Makefile.in (xgcc$(exeext)): Remove choose-temp, pexecute and
309 mkstemp. Get them from libiberty.
310 (COLLECT2_OBJS): Similarly for choose-temp, cplus-dem and mkstemp.
311 (PROTO_OBJS): Similarly for choose-temp, getopt, getopt1 and pexecute.
312 (cplus-dem.o, pexecute.o, choose-temp.o): Remove build rules.
313 (mkstemp.o, getopt1.o, getopt.o): Likewise.
315 * pa-gas.h (TARGET_DEFAULT): Use symbolic values rather than numeric
317 * pa-hpux.h (LINK_SPEC): Likewise.
318 * pa-hpux10.h (LINK_SPEC): Likewise.
319 * pa-hpux9.h (LINK_SPEC): Likewise.
320 * pa-osf.h: (LINK_SPEC): Likewise.
321 * pa-pro.h (TARGET_DEFAULT): Likewise.
322 * pa1.h (TARGET_DEFAULT): Likewise.
323 * pa.h (MASK_*): New defines.
324 (TARGET_*): Use symbolic values rather than numeric values.
325 (TARGET_SWITCHES): Likewise.
326 (TARGET_DEFAULT): likewise.
327 (CPP_SPEC): likewise.
329 Wed Feb 3 21:07:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
331 * reload1.c (reload_cse_regs_1): Undo Jan 16 patch.
332 * reload.c (find_reusable_reload): New function, broken out of
333 push_reload. Add code to verify that none of the involved
334 outputs are subject to earlyclobbers.
335 (push_reload): Break out new function find_reusable_reload.
336 Delete "register" keyword for IN, OUT args.
338 Wed Feb 3 15:51:04 1999 Gavin Romig-Koch <gavin@cygnus.com>
340 * config/mips/mips.c (true_reg_or_0_operand) : New function.
341 * config/mips/mips.h (PREDICATE_CODES): Add true_reg_or_0_operand.
342 * config/mips/mips.md (div_trap,div_trap_normal,div_trap_mips16):
343 Use true_reg_or_0_operand for div_trap.
345 Wed Feb 3 20:44:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
347 * loop.h (express_from): Declare.
348 (struct induction): Replace derived flag with derived_from pointer.
349 * loop.c (strength_reduce, record_giv, recombine_givs): Likewise.
350 (express_from): No longer static.
351 * unroll.c (find_splittable_givs): Replace derived with derived_from.
352 When processing an address giv with which another giv has been
353 combined that has also been derived from a third giv, handle like
354 having combined with the third giv.
355 Set splittable_regs_updates appropriately for derived givs.
357 Wed Feb 3 15:26:58 1999 Gavin Romig-Koch <gavin@cygnus.com>
359 * config/mips/mips.md (div_trap_mips16): Remove nop's after branches.
361 Wed Feb 3 11:56:23 1999 Jeffrey A Law (law@cygnus.com)
363 * pa.c (insn_sets_and_refs_are_delayed): New function.
364 * pa.h (INSN_SETS_ARE_DELAYED): Use it.
365 (INSN_REFERENCES_ARE_DELAYED): Likewise.
367 Wed Feb 3 06:24:49 1999 Richard Earnshaw (rearnsha@arm.com)
369 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Delete.
370 * config/arm/t-linux (LIBGCC2_CFLAGS): Delete.
371 (TARGET_LIBGCC2_CFLAGS): Define.
372 (LIBGCC2_DEBUG_CFLAGS): Define.
373 * config/arm/t-netbsd: Likewise.
374 * config/arm/t-semi: Likewise.
375 * config/arm/t-semiaof: Likewise.
376 * config/arm/t-riscix: Likewise.
378 Wed Feb 3 10:59:07 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
380 * config/m68k/m68k.c (print_operand_address): When printing a
381 SYMBOL_REF that ends in `.<letter>' put parentheses around it.
383 Tue Feb 2 23:38:35 1999 David O'Brien <obrien@FreeBSD.org>
385 * i386/freebsd*.h now allows '$' in label names and does not use the
386 PCC struct return method.
388 Tue Feb 2 22:38:23 1999 Jim Wilson <wilson@cygnus.com>
390 * Makefile.in: Change all uses of AR to AR_FOR_TARGET. Change all uses
391 of HOST_AR to AR. Likewise for AR_FLAGS, RANLIB, and RANLIB_TEST.
392 (RANLIB_TEST): Test to see if ranlib exists. Only test absolute file
393 names if host == target.
394 (HOST_AR, HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Delete.
395 (AR_FLAGS_FOR_TARGET): Renamed from AR_FOR_TARGET_FLAGS.
396 (AR, AR_FLAGS, OLDAR, OLDAR_FLAGS, RANLIB, RANLIB_TEST): Delete rules
397 setting them to *_FOR_TARGET.
398 * cross-make (AR, AR_FLAGS, OLDAR, OLDAR_FLAGS, RANLIB, RANLIB_TEST):
401 Tue Feb 2 22:38:19 1999 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
403 * toplev.h (read_integral_parameter): Declare.
404 * toplev.c (read_integral_parameter): New function.
406 Fri Jan 29 21:00:56 1999 Bob Manson <manson@charmed.cygnus.com>
408 * resource.c, resource.h: New files.
409 * Makefile.in (OBJS): Add it.
411 * haifa-sched.c (regno_use_in): Moved to rtlanal.c.
412 (split_block_insns): Moved to recog.c.
413 (update_flow_info): Make public.
414 * rtl.h: Declare them.
416 * reorg.c: Moved the functions dealing with computing resource
419 * sched.c (regno_use_in): Moved to rtlanal.c.
420 (update_flow_info): Make public.
421 (schedule_insns): Use split_block_insns.
423 * recog.c (split_block_insns): New function.
425 Tue Feb 2 22:03:26 1999 David Edelsohn <edelsohn@mhpcc.edu>
427 * rs6000/linux.h (LINK_START_DEFAULT_SPEC): Delete, unused.
428 (LINK_OS_DEFAULT_SPEC): Delete, unused.
430 Tue Feb 2 20:29:34 1999 Catherine Moore <clm@cygnus.com>
432 * configure.in (arm-*-oabi): Support.
433 * configure: Regenerate.
434 * config/arm/unknown-elf-oabi.h: New file.
436 Tue Feb 2 19:43:59 1999 Jeffrey A Law (law@cygnus.com)
438 * i386.md (ashlsi3): Turn into a define_expand an anonymous pattern.
439 Make the anonymous pattern match when ! optimize_size.
440 (ashlsi3 size optimizer): New pattern.
442 * intl/Makefile.in (uninstall): Add missing "; \".
444 Tue Feb 2 18:21:23 1999 Stan Cox <scox@cygnus.com>
446 * sparc.h (TARGET_CPU_sparc86x): Added. TARGET_CPU_sparclite86x
449 Tue Feb 2 20:24:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
451 * loop.c (loop_optimize): Fix value max_uid_for_loop is reset
452 to after find_and_verify_loops call.
454 Tue Feb 2 19:48:29 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
456 * (recombine_givs): Don't use a giv that's likely to be dead to
459 * loop.c (recombine_givs): Fix test for lifetime overlaps / loop
460 wrap around when deriving givs.
462 Mon Feb 1 20:00:40 1999 Richard Henderson <rth@cygnus.com>
464 * recog.c (check_asm_operands): Treat indeterminate operand ok
465 results as success. Try harder to resolve a matching constraint.
466 * stmt.c (expand_asm_operands): Recognize when an output operand's
467 constraint does not allow memory. Treat indeterminate operand ok
468 results as failure. Try harder to resolve a matching constraint.
470 Mon Feb 1 15:00:02 1999 Ken Raeburn <raeburn@cygnus.com>
472 Use varrays for constant-equivalence data:
474 * varray.h (struct const_equiv_data): New type.
475 (union varray_data_tag): New element const_equiv.
476 (VARRAY_CONST_EQUIV_INIT, VARRAY_CONST_EQUIV): New macros.
477 (VARRAY_SIZE): New macro, returns number of elements.
478 * integrate.h: Include varray.h.
479 (struct inline_remap): Replace const_equiv_map, const_age_map and
480 const_equiv_map_size with a const_equiv_varray element.
481 (MAYBE_EXTEND_CONST_EQUIV_VARRAY): New macro; grows varray if
483 (SET_CONST_EQUIV_DATA): New macro; sets rtx and age fields
484 simultaneously, growing the varray if needed.
486 * integrate.c (global_const_equiv_map,
487 global_const_equiv_map_size): Deleted, replaced by....
488 (global_const_equiv_varray): New variable.
489 (expand_inline_function): References changed.
490 * integrate.h: Update declarations.
492 * integrate.c (process_reg_parm, expand_inline_function,
493 copy_rtx_and_substitute, try_constants, subst_constants,
494 mark_stores): Use varray allocation and accessor macros, new
495 integrate.h macros, and global_const_equiv_varray. Don't
496 conditionalize non-NULL stores on array size; instead, expand the
498 * unroll.c (unroll_loop): Likewise.
500 * unroll.c (unroll_loop): Initialize const_equiv_varray element to
501 zero. After allocating varray, always exit through bottom of
502 function, where it can be deallocated if needed. Don't explicitly
503 reallocate const_equiv_map storage; instead, just ensure the
504 varray has been initialized, and update the global reference.
506 Mon Feb 1 09:40:25 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
508 * system.h (inline, const): Handle these for stage2 (and later) gcc.
510 * dwarf2out.c (inline): Don't define.
512 * dwarfout.c (inline): Likewise.
514 Sun Jan 31 22:04:37 1999 Richard Henderson <rth@cygnus.com>
516 * loop.c (recombine_givs): Dump recombination and derivation data.
518 Sun Jan 31 20:34:29 1999 Zack Weinberg <zack@rabi.columbia.edu>
520 * flags.h: Declare flag_no_ident.
521 * toplev.c: Define flag_no_ident. Process -f(no-)ident here.
522 * c-tree.h: Don't declare flag_no_ident.
523 * c-decl.c: Don't define flag_no_ident. Don't process
524 -f(no-)ident switches here.
526 * config/elfos.h (ASM_FILE_END): Output final .ident directive
527 only if !flag_no_ident.
528 * config/ptx4.h: Likewise.
529 * config/svr4.h: Likewise.
530 * config/alpha/elf.h: Likewise.
531 * config/arm/linux-elf.h: Likewise.
532 * config/i386/sco5.h: Likewise.
533 * config/i860/fx2800.h: Likewise.
534 * config/mips/gnu.h: Likewise.
535 * config/i386/osfrose.h: Likewise.
537 * gcc.c (C specs): Map -Qn to -fno-ident.
538 * objc/lang-specs.h: Likewise.
540 Mon Feb 1 10:52:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
542 * configure.in: Don't remove loop.o and unroll.o when
543 enable-haifa is selected.
544 * configure: Rebuilt.
546 Sun Jan 31 13:22:02 1999 John Wehle (john@feith.com)
548 * i386.md (movsicc, movhicc, movsfcc, movdfcc,
549 movxfcc, movdicc): Delete unconstrained alternatives.
550 * i386.c (output_fp_conditional_move,
551 output_int_conditional_move): Delete unused case.
553 Sun Jan 31 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
555 * version.c: Bump for snapshot.
557 Sun Jan 31 00:52:37 1999 Richard Henderson <rth@cygnus.com>
559 * alpha.md (mov patterns): Emit the assembler aliases mov and fmov
560 instead of bis and cpys. Combine alternatives where possible.
562 Sat Jan 30 23:14:13 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
564 * gcov.c (fnotice): Add missing FILE* parameter.
565 (function_summary): Fix format specifiers in calls to `fnotice'.
566 (output_data): Likewise.
568 * toplev.c (fnotice): Constify char* parameter.
570 * toplev.h (fnotice): Add prototype.
571 Wrap prototype with BUFSIZ to protect FILE* usage.
573 Sun Jan 31 15:33:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
575 * config/c4x/c4x.h (RTX_COSTS): Explicitly define c4x costs.
577 Sat Jan 30 08:27:23 1999 Jeffrey A Law (law@cygnus.com)
579 * combine.c (distribute_notes): Handle REG_EH_REGION notes.
581 * alias.c (fixed_scalar_and_varying_struct_p): Add "static" to
583 (aliases_everything_p, write_dependence_p):Likewise.
585 * install.texi: Fix merge lossages.
587 * cccp.c (main): Only call setlocale (LC_MESSAGES, ...) if LC_MESSAGES
589 * collect2.c (main): Likewise.
590 * cppmain.c (main): Likewise.
591 * gcc.c (main): Likewise.
592 * gcov.c (main): Likewise.
593 * protoize.c (main): Likewise.
594 * toplev.c (main): Likewise.
596 * pa.md (parallel shift and shiftadd): Mark output of shift as an
599 * loop.c: Disable recent loop changes. Temporary as Joern
600 continues to fix problems.
602 Sat Jan 30 03:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
604 * loop.c (strength_reduce): Size reg_map according to reg_iv_type.
606 Fri Jan 29 18:26:07 1999 Dave Brolley <brolley@cygnus.com>
608 * emit-rtl.c (remove_insn): New function.
609 * rtl.h (remove_insn): Add prototype.
610 * function.c (reposition_prologue_and_epilogue_notes): Call remove_insn.
612 Fri Jan 29 22:34:41 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
614 * loop.c (recombine_givs): Don't try to derive givs that have combined.
616 Fri Jan 29 15:00:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
618 * toplev.c (notice, fnotice): Check ANSI_PROTOTYPES, not __STDC__,
619 when declaring arguments and calling va_arg() to initialize them.
621 * collect2.c (notice): Likewise.
623 * loop.c (find_life_end): Use PROTO() macro in the prototype.
625 Fri Jan 29 14:36:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
627 * collect2.c (error): Fix typo in declaration.
629 * cpperror.c (cpp_message): Likewise.
631 * cpplib.c (cpp_warning): Likewise.
633 * cpplib.h (cpp_notice): Use PVPROTO not VPROTO, also add
636 * toplev.c (error): Fix typo in declaration.
638 Fri Jan 29 15:44:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
640 * loop.c (strength_reduce): Fix HAVE_cc0 handling when scanning
641 forward from cont dominator.
643 Fri Jan 29 07:10:27 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
645 * cccp.c (eprint_string): Constify a char*.
646 (notice): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
647 (vnotice): Constify a char*.
648 (error): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
649 (verror): Constify a char*.
650 (warning): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
651 (vwarning): Constify a char*.
652 (error_with_line): Likewise. Use PVPROTO not VPROTO, add
654 (verror_with_line): Constify a char*.
655 (vwarning_with_line): Likewise.
656 (warning_with_line): Likewise. Use PVPROTO not VPROTO, add
658 (pedwarn): Constify a char*. Use PVPROTO not VPROTO, add
660 (pedwarn_with_line): Likewise with ATTRIBUTE_PRINTF_2.
661 (pedwarn_with_file_and_line): Likewise with ATTRIBUTE_PRINTF_4.
662 Also correct typo in parameter name declaration.
663 (make_assertion): Constify a char*.
664 (quote_string_for_make): Likewise.
665 (deps_output): Likewise.
666 (fatal): Likewise. Use PVPROTO not VPROTO, add
667 ATTRIBUTE_PRINTF_1. Use ATTRIBUTE_NORETURN not an explicit
668 "__attribute__ ((noreturn))".
669 (fancy_abort): Likewise for ATTRIBUTE_NORETURN.
670 (pfatal_with_name): Likewise.
671 (pipe_closed): Likewise.
672 (memory_full): Likewise.
674 Fri Jan 29 00:14:55 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
676 * loop.c (strength_reduce): Grow set_in_loop / n_times_set /
677 may_not_optimize to proper size when converting biv increments
679 If necessary, reallocate reg_iv_type / reg_iv_info before calling
682 Thu Jan 28 23:24:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
684 * loop.c (recombine_givs): New parameter unroll_p. If set, don't
685 generate complex adds. Changed caller.
686 Don't generate adds that cost more than the original one.
687 (strength_reduce): Warning fixes.
689 Thu Jan 28 09:41:11 1999 Jeffrey A Law (law@cygnus.com)
691 * configure.in (hppa1.0-hp-hpux10*): Use t-pa.
692 * configure: Rebuilt.
695 Wed Jan 27 23:39:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
697 * rtl.h (insn_first_p): Declare.
698 * rtlanal.c (insn_first_p): New function.
699 * loop.h (varray.h): Include.
700 (struct induction): Change combined_with to unsigned.
701 New members derived, ix and last_use.
702 (reg_iv_type, reg_iv_info): Now varray_type. All references changed.
703 (REG_IV_TYPE, REG_IV_INFO): Define.
704 (first_increment_giv, last_increment_giv): Declare.
705 * loop.c (loop_number_loop_cont): New static variable.
706 (loop_number_cont_dominator): Likewise.
707 (reg_iv_type, reg_iv_info): Now varray_type.
708 (first_increment_giv, last_increment_giv): New variables.
709 (compute_luids, verify_dominator, find_life_end): New functions.
710 (cmp_recombine_givs_stats, recombine_givs): Likewise.
711 (loop_optimize): Allocate loop_number_loop_cont and
712 loop_number_cont_dominator. Use compute_luids.
713 (find_and_verify_loops): Initialize loop_number_loop_cont and
714 loop_number_cont_dominator.
715 (strength_reduce): Try to find bivs that can be expressed as givs
716 of another biv, and to convert biv increments into givs.
717 Call recombine_givs. Handle derived givs.
718 (record_biv): New argument location. All callers changed.
719 (record_giv): Initialize derived and last_use fields.
720 (basic_induction_var): New argument location. All callers changed.
721 (combine_givs): Don't combine a DEST_REG giv with a DEST_ADDR giv.
722 Increment combined_with instead of setting to 1.
723 * unroll.c (derived_regs): New static variable.
724 (unroll_loop): Initialize it.
725 Allocate local_regno according to max_reg_num.
726 (copy_loop_body): Cope with derived givs.
727 (find_splittable_givs): Check for Givs made from biv increments.
728 Set derived_regs for givs.
729 * Makefile.in (stmt.o, loop.o, unroll.o): Depend on loop.h .
732 Wed Jan 27 19:31:36 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
734 * function.c (purge_addressof_1): Handle case when a register
735 has been used in a wider mode.
737 Wed Jan 27 11:58:18 1999 Dave Brolley <brolley@cygnus.com>
739 * cpplib.h (cpp_notice): Add prototype.
741 Wed Jan 27 02:20:48 1999 Jeffrey A Law (law@cygnus.com)
743 * Merge gcc2 snapshot 19980929.
745 * cccp.c (PRINTF_PROTO): Remove.
746 (PRINTF_PROTO_{1,2,3,4}: Likewise.
748 * system.h: Add PRINTF_PROTO and PRINTF_PROTO_{1,2,3,4}.
750 * fix-header.c (cpp_file_lin_for_message): Delete. In libcpp.
751 (cpp_print_containing_files, v_cpp_message, cpp_message): Likewise.
752 (cpp_fatal, cpp-Pfatal_with_name): Likewise.
754 * gen-protos.c (hashf): Delete in cpphash.o
755 * gen-protos.c (hashf): Delete in cpphash.o
757 * expr.c: Do not merge SAVE_STACKAREA_MODE changes.
758 * expmed.c: Likewise.
759 * rs6000.md: Likewise.
761 * rs6000.c, rs6000.md: Do not merge formatting changes yet.
763 Wed Jan 27 01:13:42 1999 Richard Henderson <rth@cygnus.com>
765 * rs6000.c (input_operand): Don't expect CONST around CONSTANT_P_RTX.
766 * rs6000.md (movsi, movdi): Likewise.
768 Tue Jan 26 13:31:38 1999 Jim Wilson <wilson@cygnus.com>
770 * function.c (expand_function_end): Pass arg_pointer_save_area to
771 validize_mem before using it. Emit code into a sequence.
773 Tue Jan 26 13:41:38 1999 David Edelsohn <edelsohn@mhpcc.edu>
775 * rs6000.md (doz + set cr and or + set cr patterns): Add missing
776 '#' to split patterns. Correct indentation of some new patterns.
778 1999-01-26 12:11 -0500 Zack Weinberg <zack@midnite.ec.rhno.columbia.edu>
780 * cppfiles.c (safe_read): Deleted.
781 (read_and_prescan): New function, replaces safe_read, converts
782 and/or warns about trigraphs, silently converts odd line
783 terminators (\r, \n\r, \r\n). Warns about no newline at EOF.
784 (finclude): Use read_and_prescan; turn off nonblocking mode on
785 the input descriptor; remove file-size-examination and
786 no-newline-at-EOF gunk which is longer necessary; be more
787 careful about checking that we've been handed a legitimate
788 file to read (only real files, pipes, and ttys are acceptable).
789 * cpplib.h (cpp_options): Rename no_trigraphs flag to
790 `trigraphs' and invert its sense.
791 (trigraph_table): Declare.
792 (cpp_warning_with_line): Prototype.
793 * cpplib.c: Remove all references to trigraph_pcp. Define
794 trigraph_table; initialize it in initialize_char_syntax. Open
795 files in nonblocking mode. s/no_trigraphs/trigraphs/
796 throughout, and invert sense. Put cpp_warning_with_line back
800 Tue Jan 26 23:21:49 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
802 * config/c4x/c4x.h (COUNTER_REGS): New register class.
803 * config/c4x/c4x.md (*rptb_init): Change constraints.
804 (rptb_end): Emit alternate looping instructions if
805 RC register not allocated for loop counter.
806 (decrement_and_branch_on_count): Allow other registers
809 1999-01-25 14:26 -0500 Zack Weinberg <zack@rabi.columbia.edu>
811 * cppexp.c (struct arglist): Removed.
812 (parse_number): Use HOST_WIDE_INT for the accumulator.
813 Allow two `l' suffixes unless C89. Clean up. Make static.
814 (parse_charconst): New function broken out of cpp_lex.
815 Code cleaned up drastically. Don't use a token_buffer.
816 (token_buffer): Removed.
817 (cpp_lex): Don't call parse_number on a constant string.
819 (cpp_parse_expr): Properly handle an ERROR op returned by
822 1999-01-25 14:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
824 * cpplib.c: Don't include signal.h, sys/times.h, or
825 sys/resource.h. Don't declare localtime.
826 (macroexpand): Handle special symbols here.
827 (push_macro_expansion): Chop off the trailing '@ ' if possible
829 (cpp_get_token): Don't do either of the above two things here.
830 Move `string' label just after case '"' so that wide strings
831 don't crash the preprocessor.
834 Sun Jan 24 20:13:45 1999 David Edelsohn <edelsohn@mhpcc.edu>
836 * rs6000.md (left shift + set cr patterns): Add missing '#' to
838 (move register + set cr pattern): Ditto.
839 (movdi, !TARGET_POWERPC64 splitters): Add back in Jan. 15th patch,
840 inadvertently deleted.
842 Sun Jan 24 08:07:59 1999 Jeffrey A Law (law@cygnus.com)
844 * stmt.c (stmt_loop_nest_empty): New function.
845 * tree.h (stmt_loop_nest_empty): Declare it.
846 * rtl.def (CALL_PLACEHOLDER): New rtx code.
848 Sun Jan 24 21:24:43 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
850 * config/c4x/c4x.c (c4x_emit_move_sequence, c4x_encode_section_info):
852 (c4x_check_legit_addr): Remove USE and PLUS, allow
853 LO_SUM, and disable SYMBOL_REF, LABEL_REF, and CONST cases.
854 (c4x_legitimize_address): Penalise SYMBOL_REF, LABEL_REF, and
855 CONST cases. Add LO_SUM.
856 (c4x_print_operand): Modified 'C' and 'R' cases for calls.
857 Added 'U' case. Remove dependence on SYMBOL_REF_FLAG.
858 (c4x_print_operand_address): Handle LO_SUM.
859 (c4x_scan_for_ldp): Delete. Hooray!
860 (c4x_process_after_reload): Remove call to c4x_scan_for_ldp.
862 (c4x_immed_int_constant): Renamed from c4x_int_constant. All callers
864 (c4x_immed_float_constant): Renamed from c4x_float_constant. All
866 (c4x_T_constraint): Allow LO_SUM, disable SYMBOL_REF, LABEL_REF,
868 (c4x_U_constraint, symbolic_operand): New functions.
869 (src_operand): Allow 'I' constants in HImode. Allow LO_SUM,
870 disable SYMBOL_REF, LABEL_REF, and CONST.
871 (lsrc_operand, tsrc_operand): Call src_operand instead of
873 (c4x_operand_subword): Update comments.
875 * config/c4x/c4x.c (TARGET_LOAD_ADDRESS): New macro.
876 (LEGITIMATE_CONSTANT_P): Allow SYMBOL_REF, LABEL_REF, CONST,
877 plus HIGH and LO_SUM for the C40.
878 (ENCODE_SECTION_INFO): Define macro.
879 (symbolic_operand, c4x_U_constraint, c4x_emit_move_sequence): New
881 (PREDICATE_CODES): Add symbolic_operand.
883 * config/c4x/c4x.md (movqi, movgqf, movhi, movhi): Call
884 c4x_emit_move_sequence.
885 (floatunsqiqf2, fixuns_truncqfqi2): Rework emitted RTL
886 to avoid symbol references.
887 (all patterns with g constraint): Replace 'g' constraint with 'rIm'.
888 (set_high): Renamed from set_high_use.
889 (set_lo_sum): Renamed from set_ior_lo_use.
890 (all call patterns): Make MEM explicit in call address operands.
891 Modified output templates to use 'U' modifier.
893 Sun Jan 24 01:15:05 PST 1999 Jeff Law (law@cygnus.com)
895 * version.c: Bump for snapshot.
897 Sat Jan 23 22:34:57 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
899 * final.c (bb_str): Qualify a char* with the keyword `const'.
900 (add_bb_string, final_scan_insn, output_asm_insn): Likewise.
902 * fix-header.c (read_scan_file): Likewise.
904 * genoutput.c (output_epilogue, process_template): Likewise.
906 * local-alloc.c (requires_inout, block_alloc): Likewise.
908 * output.h (output_asm_insn, assemble_string): Likewise.
910 * recog.c (recog_constraints, check_asm_operands,
911 decode_asm_operands, extract_insn, preprocess_constraints,
912 constrain_operands): Likewise.
914 * recog.h (operand_alternative, recog_constraints, insn_template,
915 insn_outfun, insn_operand_constraint, insn_name): Likewise.
917 * regclass.c (record_reg_classes, scan_one_insn): Likewise.
919 * regmove.c (find_matches): Likewise.
921 * reload.c (alternative_allows_memconst): Likewise.
923 * reload1.c (constraint_accepts_reg_p,
924 reload_cse_simplify_operands): Likewise.
926 * rtl.h (decode_asm_operands): Likewise.
928 * scan.h (fn_decl): Likewise.
930 * varasm.c (assemble_string): Likewise.
933 Sat Jan 23 01:37:36 1999 Jeffrey A Law (law@cygnus.com)
935 * configure.in (gcc_tooldir): Handle case where exec_prefix has
936 not been explicitly set.
937 * configure: Rebuilt.
939 * fold-const.c (lshift_double): Mark 'prec' arguments as possibly
942 * bitmap.h (bitmap_head_def): Make indx field unsigned.
944 * configure.in (gcc_tooldir): When not making a relative gcc_tooldir,
945 use $exec_prefix/$target_alias for gcc_tooldir.
946 * configure: Rebuilt.
948 Fri Jan 22 11:48:56 1999 Richard Henderson <rth@cygnus.com>
950 * cppp.c (xrealloc): Fix typo last change.
951 * cppalloc.c, gcc.c, genattr.c, genattrtab.c, gencodes.c: Likewise.
952 * genconfig.c, genemit.c, genextract.c, genflags.c: Likewise.
953 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
955 1999-01-22 Michael Meissner <meissner@cygnus.com>
957 * rs6000.h (CR0_REGNO_P): New macro to test if cr0.
958 (CR_REGNO_NOT_CR0_P): New macro to test if cr, but not cr0.
959 (PREDICATE_CODES): Add cc_reg_not_cr0_operand.
960 (cc_reg_not_cr0_operand): Add declaration.
962 * rs6000.c (cc_reg_not_cr0_operand): Return true if register is a
963 pseudo register, or a control register that is not CR0.
965 * rs6000.md (all combiner patterns building . instructions): For
966 all `.' instructions that do something and set cr0, add an
967 alternative that does the operation, and then sets a different
968 flag, in order to avoid using the costly mcrf instruction and also
969 allow cr0 to be clobbered in asm statements. Also fix a few
970 patterns that used the wrong register.
972 * rs6000.h (rs6000_cpu_select): Make string, names be const char *.
973 (rs6000_debug_name): Make const char *, not char *.
975 * sysv4.h (rs6000_{abi,sdata}_name): Make const char *.
977 * rs6000.c (rs6000_{debug,abi,sdata}_name): Make const char *.
978 (rs6000_select): Use const char * in casts.
980 Fri Jan 22 07:43:01 1999 Jeffrey A Law (law@cygnus.com)
982 * Makefile.in (gcc_tooldir): Move before first reference.
983 Let autoconf substitute in a value.
984 * configure.in (gcc_tooldir): Only use a relative path to the
985 tool directory if $exec_prefix == $prefix.
986 * configure: Rebuilt.
988 * Makefile.in (tooldir): Replace with gcc_tooldir.
991 Thu Jan 21 23:21:57 1999 Jeffrey A Law (law@cygnus.com)
993 * m68k.md (ashldi_const): Disable for !TARGET_5200. Fix indention.
994 (ashldi3 expander): Similarly. Update comments.
995 (ashrdi_const, lshrdi_const): Fix indention.
996 (ashrdi3, lshrdi3): FIx indention. Update comments.
998 Thu Jan 21 21:53:36 1999 Richard Henderson <rth@cygnus.com>
1000 * emit-rtl.c (try_split): Don't try to split non-instructions.
1002 Thu Jan 21 23:47:30 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
1004 * expr.c (emit_push_insn): Fix dumb typo.
1006 Thu Jan 21 20:24:02 1999 Richard Henderson <rth@cygnus.com>
1008 * rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Recognize and accept
1009 transformations that we have performed earlier.
1010 * alpha.h (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
1012 * alpha.md (prologue_stack_probe_loop): Don't do our own label
1013 handling, call gen_label_rtx instead.
1015 Thu Jan 21 17:45:18 1999 Richard Henderson <rth@cygnus.com>
1017 * configure.in ({rs6000|powerpc}-ibm-aix4.[12]*): Add missing `then'.
1019 * cccp.c (xrealloc): Call malloc given a NULL old pointer.
1020 * collect2.c, cppalloc.c, gcc.c, genattr.c, genattrtab.c: Likewise.
1021 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
1022 * genflags.c, genopinit.c, genoutput.c, genpeep.c: Likewise.
1023 * genrecog.c, mips-tfile.c, protoize.c: Likewise.
1025 Thu Jan 21 19:44:55 1999 Michael Meissner <meissner@cygnus.com>
1027 * configure.in ({rs6000|powerpc}-ibm-aix4.[12]*): If
1028 --with-gnu-ld, use x-aix41-gld instead of x-aix41 to suppress
1029 adding -Wl,-bbigtoc to BOOT_LDFLAGS.
1030 * configure: Regenerate.
1032 * config/rs6000/x-aix41-gld: New file, don't set BOOT_LDFLAGS.
1034 Thu Jan 21 15:48:03 1999 Dave Brolley <brolley@cygnus.com>
1036 * cppexp.c (cpp_lex): Allocate token_buffer dynamically.
1038 Thu Jan 21 14:18:04 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
1040 * expr.c (MOVE_BY_PIECES_P): Define condition for deciding to use
1042 (MOVE_MAX_PIECES): Define maximum number of bytes to move at once.
1043 (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_DECREMENT): Define defaults.
1044 (USE_STORE_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Define defaults.
1045 (move_by_pieces): Use new macros.
1046 (emit_block_move): Use new macros.
1047 (clear_by_pieces): Use new macros.
1048 (clear_storage): Use new macros.
1049 (emit_push_insn): Use new macros.
1050 (expand_expr): Use new macros.
1051 * config/sh/sh.h (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_DECREMENT):
1053 (USE_STORE_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Define.
1054 (MOVE_BY_PIECES_P): Define based on alignment and TARGET_SMALLCODE.
1055 (MOVE_MAX_PIECES): move 8 bytes on SH4.
1056 * tm.texi(MOVE_BY_PIECES_P, MOVE_MAX_PIECES, USE_LOAD_POST_INCREMENT,
1057 USE_LOAD_PRE_DECREMENT, USE_STORE_POST_INCREMENT,
1058 USE_STORE_PRE_DECREMENT): Describe new macros.
1060 Thu Jan 21 14:13:31 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
1062 * varasm.c (output_constant_pool): Use floor_log2 instead of
1063 exact_log2 for ASM_OUTPUT_ALIGN.
1065 * stor-layout.c (layout_type): Do machine-dependent extra alignment.
1067 * emit-rtl.c (operand_subword): Handle case when a subword outside
1070 * tm.texi (ROUND_TYPE_{SIZE,ALIGN}): More accurate descriptions of
1073 Thu Jan 21 01:59:30 1999 Richard Henderson <rth@cygnus.com>
1075 * cse.c (fold_rtx): Revert 29 Dec change.
1076 (cse_insn): Revert 12 Jan change.
1077 * expr.c (expand_builtin): Don't emit CONST around CONSTANT_P_RTX.
1078 * regclass.c (reg_scan_mark_refs): Revert 29 Dec change.
1079 * rtl.def: Likewise.
1080 * rtl.h (CONSTANT_P): Likewise.
1082 * expr.c (emit_move_insn): Never try to flush CONSTANT_P_RTX
1084 * recog.c (immediate_operand): Accept CONSTANT_P_RTX.
1085 * alpha.c (input_operand): Likewise.
1086 * c4x.c (const_operand): Likewise.
1088 * explow.c (allocate_dynamic_stack_space): Use register_operand
1089 instead of arith_operand, which does not exist.
1091 * 1750a.h: Fix comment closure.
1092 * a29k.c (a29k_set_memflags): Fix typo in 19 Jan change.
1093 * arc.md (one_cmplsi2_set_cc_insn): Fix set mode mismatch.
1094 * arm.h (TARGET_SWITCHES): Fix typo.
1095 * i370.md (anon mult and div patterns): Fix set mode mismatch.
1096 * i860.c (output_delayed_branch): Fix operands to constrain_operands.
1097 (output_delay_insn): Likewise.
1098 * m88k.md (anon rotate insns): Fix set mode mismatch.
1099 (anon BLKmode moves): Commonize and fix set mode mismatches.
1100 * ns32k.md (udivmoddi[shq]i4_internal): Fix mode mismatch.
1101 * romp.md (movdf): Fix typo.
1103 Thu Jan 21 00:29:35 1999 Nathan Sidwell <nathan@acm.org>
1105 * Makefile.in (install-common): Remove extraneous chmod for gcov
1108 Wed Jan 20 18:15:08 1999 Dave Brolley <brolley@cygnus.com>
1110 * function.c (assign_parms): Save and restore setting of
1113 Wed Jan 20 12:51:42 1999 Mark Mitchell <mark@markmitchell.com>
1115 * arm.md: Use MEM_COPY_ATTRIBUTES where appropriate throughout.
1116 Pass MEM_SCALAR_P to arm_gen_store_multiple where appropriate.
1118 Tue Jan 19 21:20:52 1999 Richard Henderson <rth@cygnus.com>
1120 * recog.c (pop_operand): New function.
1121 * recog.h (pop_operand): Declare it.
1122 * genrecog.c (preds): Define it.
1124 * expr.c (do_jump_for_compare): Handle conditional branch expanders
1125 emitting multiple jump instructions.
1126 * jump.c (condjump_label): New function.
1127 * rtl.h (condjump_label): Declare it.
1129 Tue Jan 19 21:08:20 1999 Richard Henderson <rth@cygnus.com>
1131 * expr.c (emit_move_insn_1): Revert 17 Dec change. Don't emit
1132 clobber during or after reload.
1134 Tue Jan 19 16:56:03 1999 Richard Henderson <rth@cygnus.com>
1136 * genoutput.c (name_for_index): New function.
1137 (scan_operands, validate_insn_alternatives): Use it.
1138 * genrecog.c (insn_name_ptr_size): New variable.
1139 (make_insn_sequence): Fill in insn_name_ptr.
1140 (merge_trees): Use it.
1142 Tue Jan 19 16:37:36 1999 Richard Henderson <rth@cygnus.com>
1144 * i386/isc.h (TARGET_DEFAULT): Define symbolicly.
1145 * i386/isccoff.h, i386/next.h, i386/sco.h, i386/sco5.h: Likewise.
1146 * i386/scodbx.h, i386/sequent.h, i386.unix.h: Likewise.
1148 Tue Jan 19 15:00:10 1999 Jeffrey A Law (law@cygnus.com)
1150 * loop.c (NUM_STORES): Delete.
1151 (loop_store_mems): Turn into an EXPR_LIST of MEMs.
1152 (prescan_loop): Properly initialize loop_mems_idx.
1153 (note_addr_stored): Simplify using list structure instead of
1155 (invariant_p, check_dbra_loop, load_mems): Similarly.
1157 * flow.c (invalidate_from_autoinc): New function.
1158 (mark_set_1, mark_used_regs): Use it.
1160 * Makefile.in (protoize.o, unprotoize.o): Depend on Makefile.
1162 1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com>
1164 * invoke.texi (-mlong-double-64): New option description.
1166 1999-01-19 Jim Wilson <wilson@cygnus.com>
1168 * libgcc2.c: Change all uses of LONG_DOUBLE_TYPE_SIZE to
1169 LIBGCC2_LONG_DOUBLE_TYPE_SIZE.
1170 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): New. Set to LONG_DOUBLE_TYPE_SIZE
1172 * i960/i960.h (MULTILIB_DEFAULTS): Define to mnumerics.
1173 (CPP_SPECS): Add -mlong-double-64 support.
1174 (TARGET_FLAG_LONG_DOUBLE_64, TARGET_LONG_DOUBLE_64): New.
1175 (TARGET_SWITCHES): Add -mlong-double-64 support.
1176 (LONG_DOUBLE_TYPE_SIZE): Likewise.
1177 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1178 * i960/vx960-coff.h (MULTILIB_DEFAULTS): Define to msoft-float.
1179 (CPP_SPECS): Add -mlong-double-64 support.
1180 * i960/t-960bare (MULTILIB_OPTIONS): Add mlong-double-64.
1181 (MULTILIB_DIRNAMES): Add ld64.
1182 * i960/t-vxworks960 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Likewise.
1184 Tue Jan 19 11:54:04 1999 Jason Merrill <jason@yorick.cygnus.com>
1186 * calls.c (expand_call): Strip a TARGET_EXPR if we're passing by
1187 invisible reference.
1189 Tue Jan 19 14:51:36 1999 David Edelsohn <edelsohn@mhpcc.edu>
1191 * rs6000.c (offsettable_addr_operand): Delete.
1192 (offsettable_mem_operand): New function.
1193 * rs6000.h (PREDICATE_CODES): Reflect function change.
1194 (RS6000_SAVE_TOC): Represent address as MEM.
1195 * win-nt.h (RS6000_SAVE_TOC): Same.
1196 * rs6000.md (indirect calls): Change offsettable address parameter
1197 to offsettable memory parameter.
1199 Tue Jan 19 10:24:53 1999 Mark Mitchell <mark@markmitchell.com>
1201 * rtl.h (rtx_def): Update documentation.
1202 (MEM_IN_STRUCT_P): Likewise.
1203 (MEM_SCALAR_P): New macro.
1204 (MEM_COPY_ATTRIBUTES): Likewise.
1205 (MEM_SET_IN_STRUCT_P): Likewise.
1206 * rtl.texi (MEM_SCALAR_P): Document.
1207 * alias.c (canon_rtx): Use MEM_COPY_ATTRIBUTES.
1208 (fixed_scalar_and_varying_struct_p): New function. Use
1209 MEM_SCALAR_P rather than !MEM_IN_STRUCT_P.
1210 (aliases_everything_p): Likewise.
1211 (true_dependence): Use them.
1212 (write_dependence_p): New function, containing code common to
1213 anti_dependence and output_dependence.
1214 (anti_dependence): Use it.
1215 (output_dependence): Likewise.
1216 * calls.c (save_fixed_argument_area): Don't clear
1218 (expand_call): Use MEM_SET_IN_STRUCT_P.
1219 (emit_library_call): Don't clear MEM_IN_STRUCT_P.
1220 (emit_library_call_value): Likewise.
1221 (store_one_arg): Use MEM_SET_IN_STRUCT_P.
1222 * combine.c (simplify_rtx): Use MEM_COPY_ATTRIBUTES.
1223 (make_extraction): Likewise.
1224 (simplify_shift_const): Likewise.
1225 (gen_lowpart_for_combine): Likewise.
1226 * cse.c (gen_lowpart_if_possible): Use MEM_COPY_ATTRIBUTES.
1227 * emit-rtl.c (operand_subword): Likewise.
1228 (change_address): Likewise.
1229 * explow.c (stabilize): Use MEM_COPY_ATTRIBUTES.
1230 * expr.c (protect_from_queue): Use MEM_COPY_ATTRIBUTES.
1231 (emit_group_store): Use MEM_SET_IN_STRUCT_P.
1232 (copy_blkmode_from_reg): Likewise.
1233 (store_field): Likewise.
1234 (expand_expr): Remove bogus guesswork setting MEM_IN_STRUCT_P
1235 heuristically. Use MEM_SET_IN_STRUCT_P.
1236 (get_memory_rtx): Likewise.
1237 * final.c (alter_subreg): Use MEM_COPY_ATTRIBUTES.
1238 * function.c (assign_stack_temp): Clear MEM_SCALAR_P and
1239 MEM_ALIAS_SET on newly returned MEMs.
1240 (assign_temp): Use MEM_SET_IN_STRUCT_P.
1241 (put_reg_into_stack): Likewise.
1242 (fixup_var_refs1): Use MEM_COPY_ATTRIBUTES.
1243 (gen_mem_addressof): Use MEM_SET_IN_STRUCT_P.
1244 (assign_parms): Likewise.
1245 (expand_function): Likewise.
1246 * integrate.c (expand_inline_function): Likewise.
1247 (copy_rtx_and_substitute): Use MEM_COPY_ATTRIBUTES.
1248 * loop.c (note_addr_stored): Remove check on MEM_IN_STRUCT_P.
1249 * optabs.c (gen_move_insn): Use MEM_COPY_ATTRIBUTES.
1250 * print-rtl.c (print_rtx): Print /f for frame_related.
1251 * recog.c (validate_replace_rtx_1): Use MEM_COPY_ATTRIBUTES.
1252 * reload1.c (reload): Copy MEM_SCALAR_P as well.
1253 * stmt.c (expand_decl): Use MEM_SET_IN_STRUCT_P.
1254 (expand_anon_union_decl): Use MEM_COPY_ATTRIBUTES.
1255 * varasm.c (make_decl_rtl): Use MEM_SET_IN_STRUCT_P.
1256 (output_constant_def): Likewise.
1257 * a29k.c (a29k_set_memflags_1): Take scalar_p.
1259 (a29k_set_memflags): Use it.
1260 * alpha.c (get_aligned_mem): Use MEM_COPY_ATTRIBUTES.
1261 * c4x.c (c4x_scan_for_ld): Likewise.
1262 * h8300.c (fix_bit_operand): Likewise.
1263 * m88k.c (legitimize_address): Likewise.
1264 (block_move_loop): Likewise.
1265 (block_move_no_loop): Likewise.
1266 (block_move_sequence): Likewise.
1267 (m88k_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
1268 * mips/abi64.h (SETUP_INCOMING_VARARGS): Likewise.
1269 * rs6000.c (expand_block_move_insn): Use MEM_COPY_ATTRIBUTES.
1270 * sh.c (sh_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
1271 * arm.h (arm_gen_load_multiple): Take scalar_p.
1272 (arm_store_load_multiple): Likewise.
1273 * arm.c (arm_gen_load_multiple): Likewise.
1274 (arm_gen_store_multiple): Likewise.
1275 (arm_gen_movstrqi): Treat MEM_SCALAR_P like MEM_IN_STRUCT_P.
1277 Tue Jan 19 12:30:37 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
1279 * optabs.c (emit_libcall_block): Add a REG_EH_REGION reg note to all
1280 calls within a libcall block to indicate no throws are possible.
1281 * flow.c (find_basic_blocks, find_basic_blocks_1): Don't look for
1282 libcall blocks. Don't add edges to exception handlers if we see
1283 a REG_EH_REGION note with a value of 0.
1284 (make_edges): Override active_eh_region vector if the call has a note
1285 indicating the call does not throw.
1287 1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com>
1289 * config/rs6000/sysv4.h (CC1_SPEC): Fix correct numbers of {}.
1291 Tue Jan 19 06:26:30 1999 Jeffrey A Law (law@cygnus.com)
1293 * Makefile.in (cccp.o, cpplib.o): Depend on Makefile.
1295 Mon Jan 18 09:56:41 1999 Jason Merrill <jason@yorick.cygnus.com>
1297 * invoke.texi (C++ Dialect Options): Document -fno-rtti.
1299 1999-01-18 Vladimir N. Makarov <vmakarov@cygnus.com>
1301 * invoke.texi (-mcpu=740, -mcpu=750): New options.
1302 (-m(no-)multiple, -m(no-)string): Describe cases for PPC740 &
1305 1999-01-18 Michael Meissner <meissner@cygnus.com>
1307 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
1308 supported with -mcpu=xxx.
1309 (processor_type): Add PROCESSOR_PPC750.
1310 (ADJUST_PRIORITY): Call rs6000_adjust_priority.
1311 (RTX_COSTS): Supply costs for 750 multiply/divide operations.
1312 (rs6000_adjust_priority): Add declaration.
1314 * rs6000.c (rs6000_override_options): -mcpu={750,740} now sets the
1315 processor type as 750, not 603. Allow -mmultiple and -mstring on
1316 little endian 750 systems.
1317 (rs6000_adjust_priority): Stub for now.
1318 (get_issue_rate): The PowerPC 750 can issue 2 instructions/cycle.
1320 * rs6000.md (function/cpu attributes): Add initial ppc750 support.
1322 * sysv4.h (STRICT_ALIGNMENT): Don't force strict alignment if
1324 (CC1_SPEC): Pass -mstrict-align if little endian, and not
1326 (CC1_ENDIAN_{LITTLE,BIG,DEFAULT}_SPEC): Endian specific configs.
1327 (SUBTARGET_EXTRA_SPECS): Add cc1 endian specs.
1329 * {sysv4,eabi}le.h (CC1_ENDIAN_DEFAULT_SPEC): Override, default is
1332 * t-ppcgas (MULTILIB_*): Delete obsolete Solaris multilibs.
1334 Mon Jan 18 12:03:08 1999 Gavin Romig-Koch <gavin@cygnus.com>
1336 * config/mips/mips.md (div_trap): Split div_trap_mips16
1338 (div_trap_normal,div_trap_mips16): Correct the length attributes.
1340 Mon Jan 18 11:48:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1342 * cpplib.c (special_symbol): Qualify a char* with the `const' keyword.
1343 Instead of writing to const char *buf directly, use a non-const
1344 variable `wbuf' to allocate and write a string, then set buf = wbuf.
1346 * cppulp.c (user_label_prefix): Qualify a char* with the `const'
1349 * dyn-string.c (dyn_string_append): Likewise.
1351 * dyn-string.h (dyn_string_append): Likewise.
1353 * final.c (end_final, output_operand_lossage, asm_fprintf): Likewise.
1355 * output.h (end_final, output_operand_lossage, asm_fprintf,
1356 named_section, decode_reg_name, make_decl_rtl, user_label_prefix):
1359 * profile.c (init_branch_prob): Likewise.
1361 * toplev.c (set_target_switch, vmessage,
1362 v_message_with_file_and_line, v_message_with_decl,
1363 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
1364 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
1365 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
1366 v_pedwarn_with_file_and_line, vsorry, v_really_sorry,
1367 open_dump_file, dump_rtl, clean_dump_file,
1368 print_version, print_single_switch, print_switch_values,
1369 dump_base_name, debug_args, lang_independent_options,
1370 user_label_prefix, documented_lang_options, target_switches,
1371 target_options, print_time, pfatal_with_name, fatal_io_error,
1372 fatal_insn, default_print_error_function, print_error_function,
1373 report_error_function, error_with_file_and_line, error_with_decl,
1374 error_for_asm, error, fatal, warning_with_file_and_line,
1375 warning_with_decl, warning_for_asm, warning, pedwarn,
1376 pedwarn_with_decl, pedwarn_with_file_and_line, sorry,
1377 really_sorry, botch, output_quoted_string, output_file_directive,
1378 open_dump_file, rest_of_decl_compilation, display_help, main):
1381 * toplev.h (print_time, fatal, fatal_io_error, pfatal_with_name,
1382 fatal_insn, warning, error, pedwarn, pedwarn_with_file_and_line,
1383 warning_with_file_and_line, error_with_file_and_line, sorry,
1384 really_sorry, default_print_error_function, report_error_function,
1385 rest_of_decl_compilation, pedwarn_with_decl, warning_with_decl,
1386 error_with_decl, error_for_asm, warning_for_asm, output_quoted_string,
1387 output_file_directive, botch): Likewise.
1389 * tree.h (make_decl_rtl): Likewise.
1391 * varasm.c (strip_reg_name, named_section, decode_reg_name,
1392 make_decl_rtl): Likewise.
1394 Mon Jan 18 11:35:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
1396 * Makefile.in (TCL_LIBRARY): Use 'cd' to find the library
1397 directory logically rather than physically.
1399 Mon Jan 18 09:05:37 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1401 * loop.c (insert_bct): Hide the definition of variables
1402 `increment_direction', `compare_direction', `add_iteration' and
1405 * recog.c (mode_dependent_address_p): Mark parameter `addr' with
1406 ATTRIBUTE_UNUSED. Mark label `win' with ATTRIBUTE_UNUSED_LABEL.
1407 (mode_independent_operand): Mark label `lose' with
1408 ATTRIBUTE_UNUSED_LABEL.
1410 * regclass.c (n_occurrences): Remove prototype and definition.
1412 * reload.c (find_reloads_address_1): Mark variable `tem' with
1415 * reload1.c (reload): Cast the first two arguments of `bcopy' to PTR.
1417 * sbitmap.c (sbitmap_copy): Likewise.
1419 * scan-decls.c (scan_decls): Hide label `handle_comma'.
1421 * toplev.c (output_lang_identify): Mark prototype with
1424 * tree.c (make_node): Cast the first argument of `bzero' to PTR.
1425 (make_tree_vec): Likewise.
1428 * varasm.c (assemble_static_space): Mark variable `tem' with
1431 Mon Jan 18 04:28:36 1999 Nathan Sidwell <nathan@acm.org>
1433 * Makefile.in (GCOV_INSTALL_NAME): New macro.
1434 (install-common): Use it.
1435 (uninstall): Use it.
1436 (uninstall): Use correct names for protoize and unprotoize.
1438 Mon Jan 18 03:52:56 1999 Christian Bruel <Christian.Bruel@st.com>
1439 Jeffrey A Law (law@cygnus.com)
1441 * flow.c (last_mem_set): Delete variable. References removed.
1442 (mem_set_list): New variable.
1443 (life_analysis): Initialize and finalize alias analysis.
1444 (propagate_block); Initialize mem_set_list. Clear for CALL_INSNs.
1445 (insn_dead_p): For a store to memory, search the entire mem_set_list
1447 (mark_set_1): Kill entries on the mem_set_list for aliased writes or
1448 changes to their addresses. Add new entries to the mem_set_list for
1449 memory writes writes.
1450 (mark_used_regs): Kill entries on the mem_set_list which may be
1451 referenced by a load operation.
1453 Mon Jan 18 01:01:02 1999 Jeffrey A Law (law@cygnus.com)
1455 * alias.c (base_alias_check): Add missing return for differing
1458 Mon Jan 18 00:36:13 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1460 * mips-tdump.c (print_file_desc): Handle unknown filenames and
1461 missing local symbols.
1463 Sun Jan 17 21:04:31 1999 Richard Henderson <rth@cygnus.com>
1465 * jump.c (rtx_renumbered_equal_p): Special case CODE_LABEL.
1467 * system.h (bcopy): Implement with memmove not memcpy.
1469 Sun Jan 17 19:23:20 1999 Jeffrey A Law (law@cygnus.com)
1471 * Makefile.in (cppulp.o): Add dependencies.
1473 * i386.md (integer conditional moves): Add missing earlyclobbers.
1475 * regmove.c (optimize_reg_copy_1): Undo Aug 18 change. Update
1476 REG_N_CALLS_CROSSED and REG_LIVE_LENGH if and only if we change
1477 where a register is live.
1479 Sun Jan 17 03:20:47 1999 H.J. Lu (hjl@gnu.org)
1481 * reg-stack.c (subst_stack_regs_pat): Abort if the destination
1482 of a FP conditional move is not on the FP register stack.
1484 Sun Jan 17 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
1486 * version.c: Bump for snapshot.
1488 Sat Jan 16 23:40:33 1999 Jeffrey A Law (law@cygnus.com)
1490 * reload1.c (reload_cse_regs_1): Do not call
1491 reload_cse_simplify_operands for an insn with asm operands.
1493 * cccp.c (print_help): Fix typos.
1494 * cpplib.c (print_help): Fix typos.
1495 * toplev.c (f_optiosn): Fix typos.
1496 (documented_lang_options): Fix typos.
1498 Sat Jan 16 21:48:17 1999 Marc Espie (Marc.Espie@openbsd.org)
1500 * gcc.c: (do_spec_1): Fix obvious typo.
1502 Sat Jan 16 19:31:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1504 * c-decl.c (duplicate_decls): If `warn_traditional', warn when
1505 a non-static function declaration follows a static one.
1507 * invoke.texi (-Wtraditional): Document the extra check now done
1510 Sat Jan 16 15:13:46 1999 Jeffrey A Law (law@cygnus.com)
1512 * pa.md (shadd): Create shadd insns, even if the result of the shift is
1513 needed without the addition.
1515 Sat Jan 16 10:48:16 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1517 * sh.md (movdf, movsf): Temporary workaround for no_new_pseudos lossage.
1519 Fri Jan 15 23:44:37 1999 Richard Henderson <rth@cygnus.com>
1521 * sparc.c (sparc_issue): Add hypersparc/sparclite86x entries.
1523 Fri Jan 15 22:30:04 1999 David Edelsohn <edelsohn@mhpcc.edu>
1525 * rs6000.h (CONST_OK_FOR_LETTER_P): Do not assume 32-bit CONST_INT.
1526 * rs6000.c (u_short_cint_operand, add_operand, logical_operand,
1527 non_add_cint_operand, non_logical_cint_operand): Likewise.
1528 (get_issue_rate): Add CPU_PPC604E case.
1529 * rs6000.md (movdi, !TARGET_POWERPC64 splitters): Handle 64-bit hosts.
1531 Fri Jan 15 18:42:12 1999 Richard Henderson <rth@cygnus.com>
1533 * expr.c (queued_subexp_p): Make public.
1534 * expr.h (queued_subexp_p): Declare it.
1535 * recog.c (asm_operand_ok): New function.
1536 (check_asm_operands): Use it. After reload, use constrain_operands
1538 * recog.h (asm_operand_ok): Declare it.
1539 * stmt.c (expand_asm_operands): Use it to try harder to make
1540 asms initially satisfy their constraints.
1542 Fri Jan 15 17:43:59 1999 Jeffrey A. Law <law@rtl.cygnus.com>
1544 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do not create
1545 (mem (lo_sum (...)) for TFmode unless TARGET_V9.
1547 Sat Jan 16 12:47:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1549 * config/c4x/c4x.md (not_repeat_reg): Allow ldp instruction
1550 in delay slot of RPTBD.
1552 Sat Jan 16 12:26:40 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1554 * config/c4x/libgcc.S (___divhi3, ___modhi3): Fix long long
1555 divide and modulo sign problem.
1557 Fri Jan 15 11:02:31 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1559 * unroll.c (loop_iterations): Return 0 if the last loop insn
1560 is not a jump insn or if the loop has multiple back edges.
1562 Thu Jan 14 22:38:41 1999 Jeffrey A Law (law@cygnus.com)
1564 * unroll.c (find_splittable_givs): For a DEST_ADDR giv, do not share
1565 a register with another DEST_ADDR giv if the address is not valid.
1567 * pa.c (hppa_expand_epilogue): Save and restore the static chain
1568 around the call to mcount.
1570 * h8300.h (ASM_OUTPUT_LABELREF): Use asm_fprintf, not fprintf.
1572 * stmt.c (expand_end_case): Use emit_cmp_and_jump_insns to avoid
1573 generating non-canonical rtl.
1575 1999-01-14 Vladimir N. Makarov <vmakarov@cygnus.com>
1577 * config/i960/i960.c (i960_output_move_double_zero,
1578 i960_output_move_quad_zero): New functions for moving zeros.
1579 (i960_output_move_double, i960_output_move_quad): Additional code
1580 for situation when moving unaligned register group.
1582 * config/i960/i960.h (i960_output_move_double_zero,
1583 i960_output_move_quad_zero): The function definitions.
1585 * config/i960/i960.md (movdi+1, movti+1): Usage of the functions.
1587 1999-01-13 Vladimir N. Makarov <vmakarov@cygnus.com>
1589 * config/i960/i960.c (i960_function_prologue): New code (optimal
1590 solution) for saving global registers in local registers.
1591 (form_reg_groups, reg_group_compare, split_reg_group): New
1592 functions used by the code.
1593 (reg_group): New structure definition for the new code.
1595 Wed Jan 13 20:12:37 1999 Richard Henderson <rth@cygnus.com>
1597 * integrate.c (expand_inline_function): Recognize (mem (addressof))
1598 and substitute. Copy the return value from there into a new pseudo.
1600 Wed Jan 13 16:47:00 1999 Catherine Moore <clm@cygnus.com>
1602 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
1603 before generating a call to abort for volatile functions.
1604 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
1605 (TARGET_ABORT_NORETURN): Define.
1606 (abort-on-noreturn): New option.
1608 Thu Jan 14 13:52:42 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1610 * config/c4x/c4x.md (in_annul_slot_3): Correctly allow unarycc
1611 and binarycc operations in 3rd annulled delay slot!
1613 Wed Jan 13 16:16:44 1999 Catherine Moore <clm@cygnus.com>
1615 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
1616 before generating a call to abort for volatile functions.
1617 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
1618 (TARGET_ABORT_NORETURN): Define.
1619 (abort-on-noreturn): New option.
1621 Wed Jan 13 13:30:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1623 * cccp.c (xstrdup): Renamed from `savestring'. All callers changed.
1624 Remove prototype which we get from libiberty.h.
1626 * collect2.c (xstrdup): Likewise.
1628 * genextract.c (xstrdup): Likewise for `copystr'.
1629 (mybzero): Remove it and use `memset' instead.
1631 * genoutput.c (mybcopy, mybzero): Remove these. All callers changed
1632 to use `memcpy' and `memset' instead.
1634 * genrecog.c (xstrdup): Renamed from `copystr'. All callers
1635 changed. Remove prototype.
1636 (mybcopy, mybzero): Remove these and use memcpy/memset.
1638 Wed Jan 13 00:59:04 1999 Jeffrey A Law (law@cygnus.com)
1640 * mips.h (LOAD_EXTEND_OP): Correct for SImode and CCmode moves when
1641 generating code for TARGET_64BIT.
1643 Tue Jan 12 14:05:37 1999 David Edelsohn <edelsohn@mhpcc.edu>
1645 * rs6000.c (print_operand, cases 'm' and 'M'): Do not depend on
1646 HOST_WIDE_INT word-size.
1647 (rs6000_stack_info): Remove redundant alignment of fpmem.
1649 Tue Jan 12 14:05:37 1999 Richard Henderson <rth@cygnus.com>
1651 * rs6000.c (short_cint_operand): Remove CONSTANT_P_RTX handling.
1652 (u_short_cint_operand, reg_or_cint_operand, logical_operand): Likewise.
1653 (input_operand): Adjust CONSTANT_P_RTX handling.
1654 * rs6000.h (PREDICATE_CODES): Remove CONSTANT_P_RTX references.
1655 * rs6000.md (movsi): Adjust CONSTANT_P_RTX handling.
1656 (movhi, movqi): Remove CONSANT_P_RTX handling.
1657 (movdi): Adjust CONSTANT_P_RTX handling.
1659 Tue Jan 12 10:23:24 1999 Stan Cox <scox@cygnus.com>
1661 * mips.md (call_value_internal3c): New pattern for -mips16 -mlong-calls.
1663 1999-01-12 Manfred Hollstein <manfred@s-direktnet.de>
1665 * m68k/mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
1666 ensure all prototypes necessary for building libio will be available.
1667 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Remove
1668 definitions here as they are not host specific.
1669 * m88k/sysv3.h, m88k/xm-sysv3.h: Likewise.
1671 Tue Jan 12 02:53:46 1999 Richard Henderson <rth@cygnus.com>
1673 * cse.c (cse_insn): Never prefer (const (constant_p_rtx)).
1675 Tue Jan 12 02:36:10 PST 1999 Jeff Law (law@cygnus.com)
1677 * version.c: Bump for snapshot.
1679 Tue Jan 12 01:30:19 1999 Richard Henderson <rth@cygnus.com>
1681 * rtl.c (rtx_alloc): Use memset instead of inline loop.
1683 * recog.h (recog_op_alt): Declare extern.
1685 Tue Jan 12 00:23:31 1999 Richard Henderson <rth@cygnus.com>
1687 * function.c (purge_addressof_1): If the note accesses a mem+addressof
1688 in a wider mode than any replacement, adjust the cached replacement.
1689 Cache trivial substitutions as well.
1691 Tue Jan 12 00:06:00 1999 Richard Henderson <rth@cygnus.com>
1693 * Makefile.in (OBJECTS): Add sbitmap.o.
1694 (BASIC_BLOCK_H): Add sbitmap.h.
1695 * basic-block.h: Move simple bitmap code to sbitmap.h.
1696 * flow.c: Move simple bitmap code to sbitmap.c
1697 * sbitmap.h, sbitmap.c: New files.
1699 Mon Jan 11 23:51:50 1999 Richard Henderson <rth@cygnus.com>
1701 * alpha.h (TARGET_SWITCHES): Document switches.
1702 (TARGET_OPTIONS): Likewise.
1704 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Use HOST_WIDE_INT_PRINT_DEC.
1706 Mon Jan 11 22:54:14 1999 Richard Henderson <rth@cygnus.com>
1708 * tree.c (new_alias_set): Return zero if !flag_strict_aliasing.
1710 Mon Jan 11 22:36:01 1999 Richard Henderson <rth@cygnus.com>
1712 * basic-block.h (basic_block_head): Rename to x_basic_block_head.
1713 (basic_block_end): Rename to x_basic_block_end.
1714 (BLOCK_HEAD, BLOCK_END): Update.
1716 * caller-save.c: Change basic_block_head/end references to
1718 * combine.c, flow.c, function.c, gcse.c, global.c: Likewise.
1719 * graph.c, haifa-sched.c, local-alloc.c, regclass.c: Likewise.
1720 * regmove.c, reload1.c, reorg.c, sched.c: Likewise.
1722 Sat Jan 9 23:54:09 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1724 * gcc.c (xstrerror): Renamed from my_strerror. All callers
1725 changed. Remove prototype since we get that from libiberty.h.
1727 * protoize.c (xstrerror): Likewise.
1729 Sat Jan 9 23:22:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1731 * gcc.c (read_specs): Ensure format specifiers match their arguments.
1733 Sat Jan 9 20:04:24 1999 Richard Henderson <rth@cygnus.com>
1735 * tree.c (copy_node): Oops. That would be copy not zero
1736 in that last change.
1738 Sun Jan 10 15:35:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1740 * config/c4x/c4x.c: Include system.h.
1741 (c4x_caller_save_map): Disable caller save for RC.
1742 (c4x_optimization_options): Disable scheduling before reload.
1743 (valid_parallel_load_store) : Define return type as int.
1744 Remove unused variable regs.
1745 * config/c4x/c4x.h (REGISTER_MOVE_COST): Make independent of register
1747 * config/c4x/c4x.md (rotlqi3, rotrqi3): Fix up emitted RTL to
1749 (*db, decrement_and_branch_until_zero): Fix up constraints
1750 to keep reload happy.
1752 Sat Jan 9 18:35:29 1999 Richard Henderson <rth@cygnus.com>
1754 * tree.c (make_node): Call bzero instead of inline clear.
1755 (copy_node, make_tree_vec, build1): Likewise.
1756 (get_identifier): Call strlen instead of inline count.
1757 (maybe_get_identifier): Likewise.
1759 Sun Jan 10 14:04:51 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1761 * config/c4x/c4x.md: (in_annul_slot_3): Allow unarycc and binarycc
1762 operations in 3rd annulled delay slot.
1763 (*lshrqi3_const_set): Disallow c constraint for operand0.
1764 (modhi3+1, modhi3+2): Set attribute type to multi.
1765 * config/c4x/c4x.c (c4x_S_constraint): Removed space in middle of
1768 Sat Jan 9 11:44:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1770 * gansidecl.h: Allow attribute unused on labels only when we are
1771 version 2.93 or higher. Not all versions of 2.92 have this feature.
1773 * version.c: Bump minor number to 93.
1775 Fri Jan 8 10:51:13 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1777 * config/m68k/m68k.h: Declare output_function_epilogue.
1778 * recog.h: Declare next_insn_tests_no_inequality.
1780 Fri Jan 8 01:43:53 1999 Jeffrey A Law (law@cygnus.com)
1782 * stmt.c (optimize_tail_recursion): New function, extracted from ...
1783 (expand_return): Use optimize_tail_recursion.
1784 * tree.h (optimize_tail_recursion): Declare.
1786 * toplev.c (compile_file): Move call to output_func_start_profiler
1787 to after the loop to emit deferred functions.
1789 Thu Jan 7 19:52:53 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1791 * system.h (abort): Supply more detailed information on how to
1792 report an Internal Compiler Error.
1794 Thu Jan 7 11:26:17 1999 Mark Mitchell <mark@markmitchell.com>
1796 * calls.c (store_unaligned_arguments_into_pseudos): Use xmalloc to
1797 allocate memory that will live beyond this function.
1798 (expand_call): Free it here.
1800 Thu Jan 7 03:08:17 1999 Richard Henderson <rth@cygnus.com>
1802 * sparc.h (PREFERRED_RELOAD_CLASS): Select GENERAL_REGS for
1803 integer data not destined for fp regs.
1804 (LEGITIMIZE_RELOAD_ADDRESS): New.
1806 Thu Jan 7 03:03:42 1999 Stan Cox <scox@cygnus.com>
1807 Richard Henderson <rth@cygnus.com>
1809 Support for Hypersparc and Sparclite86x:
1810 * sparc.h (TARGET_CPU_hypersparc, TARGET_CPU_sparclite86x): New.
1811 (CPP_CPU32_DEFAULT_SPEC): Fix up for the new targets.
1812 (ASM_CPU32_DEFAULT_SPEC): Likewise.
1813 (TARGET_CPU_DEFAULT): Likewise.
1814 (enum processor_type): Likewise.
1815 (CPP_ENDIAN_SPEC): Handle little endian data.
1816 (LIBGCC2_WORDS_BIG_ENDIAN): Likewise.
1817 (ADJUST_COST): Call sparc_adjust_cost.
1818 * sparc.c (sparc_override_options): Fix up for the new targets.
1819 (supersparc_adjust_cost): Make static.
1820 (hypersparc_adjust_cost): New.
1821 (ultrasparc_adjust_cost): Make static.
1822 (sparc_adjust_cost): New.
1823 * sparc.md (attr cpu): Add hypersparc and sparclite86x.
1824 (function_unit): Add hypersparc scheduling rules.
1826 * configure.in (with_cpu handler): Recognize hypersparc.
1828 Thu Jan 7 23:54:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1830 * config/c4x/c4x.c: Added space after negation operator.
1831 * config/c4x/c4x.h: Likewise.
1832 * config/c4x/c4x.md: Likewise.
1834 Thu Jan 7 23:39:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1836 * config/c4x/c4x.c (c4x_preferred_reload_class): Always return class.
1838 Thu Jan 7 00:29:25 199 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1840 * combine.c (num_sign_bit_copies): In NEG, MULT, DIV and MOD cases,
1841 when a test can't be performed due to limited width of
1842 HOST_BITS_PER_WIDE_INT, use the more conservative approximation.
1843 Fix UDIV case for cases where the first operand has the highest bit
1846 Thu Jan 7 00:01:38 1999 Lutz Vieweg <lkv@mania.robin.de>
1848 * pa.h (reg_class): Add FPUPPER_REGS.
1849 (REG_CLASS_NAMES): Similarly.
1850 (REG_CLASS_CONTENTS): Similarly
1851 (REGNO_REG_CLASS): Handle FPUPPER_REGS.
1852 (FP_REG_CLASS_P): Likewise.
1853 (REG_CLASS_FROM_LETTER): Similarly.
1854 (CLASS_MAX_NREGS): Similarly.
1856 1999-01-06 Brendan Kehoe <brendan@cygnus.com>
1858 * fixincludes: For HP/UX 10.20, also look in curses_colr/curses.h
1859 for a typedef of bool. Make sure to have a copy of the file is
1860 in place before we look to fix it. Fix typo in variable name to
1863 Wed Jan 6 07:51:05 1999 Richard Henderson <rth@cygnus.com>
1865 * expr.c (expand_builtin) [case BUILT_IN_CONSTANT_P]: Use
1866 value_mode for the return mode.
1868 Wed Jan 6 17:55:19 1999 Robert Lipe <robertlipe@usa.net>
1870 * configure.in: New flag --with-dwarf2. If set, enables DWARF-2
1871 debugging as default.
1873 * config/tm-dwarf2.h: New file.
1875 Wed Jan 6 16:08:54 1999 Jeffrey A Law (law@cygnus.com)
1877 * h8300.h (ASM_OUTPUT_LABELREF): Define.
1879 * pa.h (DONT_RECORD_EQUIVALENCE): Kill.
1880 * local-alloc.c (update_equiv_regs): Corresponding changes.
1881 * tm.texi (DONT_RECORD_EQUIVALENCE): Kill.
1883 * calls.c (special_function_p): Push alloca test inside the large
1884 conditional which excludes functions not at file scope or not
1887 * calls.c (special_function_p): New function broken out of
1889 (precompute_register_parameters): Likewise.
1890 (store_one_arg): Likewise.
1891 (store_unaligned_argumetns_into_pseudos): Likewise.
1892 (save_fixed_argument_area): Likewise.
1893 (restore_fixed_argument_area): Likewise.
1894 (expand_call): Corresponding changes.
1896 Wed Jan 6 10:43:29 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1898 * config/m68k/m68k.c (const_uint32_operand): Remove CONSTANT_P_RTX
1900 (const_sint32_operand): Likewise.
1902 Wed Jan 6 09:44:51 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1904 * toplev.h: In addition to checking _JBLEN, also check if `setjmp'
1905 is a macro when deciding if we can use `jmp_buf' in prototypes.
1907 Thu Jan 7 00:12:24 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1909 * config/c4x/c4x.md (addqi3): If the destination operand is
1910 a hard register other than an extended precision register,
1911 emit addqi3_noclobber.
1912 (*addqi3_noclobber_reload): New pattern added so that reload
1913 will recognise a store of a pseudo, equivalent to the sum
1914 of the frame pointer and a constant, as an add insn.
1916 Wed Jan 6 03:18:53 1999 Mark Elbrecht <snowball3@usa.net.
1918 * configure.in (pc-msdosdjgpp): Set x_make to x-go32.
1919 * configure: Rebuilt.
1920 * i386/xm-go32.h: Define LIBSTDCXX.
1922 * i386/go32.h (MD_EXEC_PREFIX): Define.
1923 (FILE_NAME_ABSOLUTE_P): Define.
1924 (LINK_COMMAND_SPEC): Define.
1926 Wed Jan 6 02:23:36 1999 "Charles M. Hannum" <root@ihack.net>
1928 * expr.c (store_expr): If the lhs is a memory location pointed
1929 to be a postincremented (or postdecremented) pointer, always
1930 force the rhs to be evaluated into a pseudo.
1932 Wed Jan 6 00:54:21 1999 Geoff Keating <geoffk@ozemail.com.au>
1934 * real.c (mtherr): Print more reasonable warning messages.
1936 Tue Jan 5 21:57:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1938 * Makefile.in (gcc.o, prefix.o, cccp.o, cpplib.o): Depend on prefix.h.
1940 * cccp.c: Include prefix.h, don't prototype prefix.c functions.
1941 (new_include_prefix): Constify char* parameters.
1943 * cppfiles.c (read_name_map): Likewise.
1944 (append_include_chain): Likewise. Also, use a writable char* copy
1945 of parameter `dir' which we then modify, rather than using the
1946 parameter itself to store the new writable string.
1947 (remap_filename): Constify some variables. Also, use a writable
1948 char* to store an allocated string which we will be modifying.
1950 * cpplib.c: Include prefix.h, don't prototype prefix.c functions.
1951 (cpp_start_read): Constify variable `str'.
1953 * cpplib.h (append_include_chain): Constify a char* parameter.
1955 * gcc.c Include prefix.h, don't prototype prefix.c functions.
1956 (add_prefix, save_string): Constify char* parameters.
1957 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
1959 * prefix.c: Include prefix.h.
1960 (get_key_value, translate_name, save_string, update_path,
1961 set_std_prefix): Constify various char* parameters and variables.
1962 (save_string): Use xmalloc, not malloc.
1963 (translate_name): Use a writable temporary variable to create and
1964 modify a string before setting it to a const char*.
1966 * prefix.h: New file to prototype functions exported from prefix.c.
1968 Mon Jan 4 15:37:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
1970 * cpplib.c (skip_if_group): Split out the logic that handles
1971 directive recognition to its own function. Don't use
1972 parse markers; use a bare pointer into the buffer. Use
1973 copy/skip_rest_of_line instead of doing it by hand. Remove
1974 `return on any directive' mode which was never used, and take
1976 (consider_directive_while_skipping): New function, subroutine
1977 of skip_if_group. Logic streamlined a bit.
1978 (conditional_skip, do_elif, do_else): Call skip_if_group with
1981 Mon Jan 4 15:27:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
1983 * cpplib.c (do_undef): EOF immediately after '#undef FOO' is not an
1986 Mon Jan 4 11:55:51 1999 Jason Merrill <jason@yorick.cygnus.com>
1988 * extend.texi (Bound member functions): Document.
1990 Mon Jan 4 11:01:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1992 * mips-tdump.c (st_to_string, sc_to_string, glevel_to_string,
1993 lang_to_string, type_to_string): Make return type const char*.
1994 (print_symbol): Apply `const' keyword to a char*.
1995 (print_file_desc): Cast structure member `crfd' to ulong when
1996 comparing against one.
1998 * mips-tfile.c (pfatal_with_name): Apply `const' keyword to char*.
1999 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
2000 (progname, input_name): Apply `const' keyword to a char*.
2001 Don't redundantly include sys/stat.h.
2002 (alloc_info): Apply `const' keyword to a char*.
2003 (st_to_string, sc_to_string): Likewise.
2004 (hash_string): Cast variable `hash_string' to a symint_t when
2005 comparing against one.
2006 (add_string): Cast PAGE_USIZE to Ptrdiff_t when comparing against one.
2007 Likewise cast it to long when comparing against one.
2008 (add_local_symbol): Apply `const' keyword to a char*.
2009 (add_ext_symbol): Likewise.
2010 (add_unknown_tag): Likewise.
2011 (add_procedure): Cast a printf-style field width to an int.
2012 (add_file): Cast PAGE_USIZE to long when comparing against one
2013 (parse_begin): Cast a printf-style field width to an int.
2014 (parse_bend): Likewise.
2015 (parse_def): Likewise.
2016 (parse_end): Likewise.
2017 (mark_stabs): Mark parameter `start' with ATTRIBUTE_UNUSED.
2018 (parse_stabs_common): Fix format specifier.
2019 (parse_input): Change type of variable `i' to Size_t.
2020 (write_object): Fix arguments to match format specifiers.
2021 Cast variable `num_write' to long when comparing against one.
2022 (read_seek): Cast variable `sys_read' to symint_t when comparing
2023 against one. Fix arguments to match format specifiers. Cast
2024 variable `size' to long when comparing against one.
2025 (copy_object): Cast result of `sizeof' to int when comparing
2026 against one. Fix arguments to match format specifiers. Cast
2027 variable `ifd' to long when comparing against a signed value.
2030 Mon Jan 4 10:30:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2032 * c-common.c (decl_attributes): Allow applying attribute `unused'
2035 * c-parse.in (label): Parse attributes after a label, and call
2036 `decl_attributes' to handle them.
2038 * gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
2040 * genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
2041 generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
2043 * invoke.texi: Note that labels can be marked `unused'.
2045 Sun Jan 3 23:32:18 PST 1999 Jeff Law (law@cygnus.com)
2047 * version.c: Bump for snapshot.
2049 Sun Jan 3 23:00:42 1999 Jeffrey A Law (law@cygnus.com)
2051 * optabs.c (emit_cmp_and_jump_insns): Use CONSTANT_P canonicalizing
2052 RTL for a compare/jump sequence.
2054 Sun Jan 3 22:58:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2056 * optabs.c (emit_cmp_insn): Abort if asked to emit non-canonical RTL
2057 for a target with HAVE_cc0 defined.
2058 (emit_cmp_and_jump_insns): New function.
2059 * expr.h (emit_cmp_and_jump_insns): Prototype it.
2060 * loop.c (check_dbra_loop): Use it to replace calls
2061 to emit_cmp_insn and emit_jump_insn and to canonicalise
2062 the comparison if necessary.
2063 * unroll.c (unroll_loop): Likewise.
2065 Sun Jan 3 21:01:04 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2067 * fixincludes (sys/utsname.h): Provide forward declaration of
2068 struct utsname on Ultrix V4.[35].
2070 * mips.md (div_trap): Use local labels instead of dot-relative
2073 Sun Jan 3 20:40:34 1999 Jeffrey A Law (law@cygnus.com)
2075 * pa.md (branch, negated branch): Handle (const_int 0) as first
2077 * pa.c (output_cbranch): Likewise.
2079 Sun Jan 3 03:20:38 1999 David Edelsohn <edelsohn@mhpcc.edu>
2081 * rs6000.c (rs6000_stack_info): Undo spurious part of last
2084 1999-01-01 Manfred Hollstein <manfred@s-direktnet.de>
2086 * extend.texi (__builtin_constant_p): Add missing @smallexample.
2088 Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com)
2090 * i386.md (doubleword shifts): Fix dumb mistakes in previous change.
2092 Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com)
2094 * m68k.md (adddi_dilshr32): Allow all operands to be registers too.
2095 (adddi_dishl32): Similarly.
2097 * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers
2098 for each insn in the skipped block.
2100 * reload1.c (reload_as_needed): Verify that the insn satisfies its
2101 constraints after replacing a register address with an autoincrement
2102 address for reload inheritance purposes.
2104 * i386.md (doubleword shifts): Avoid namespace pollution.
2106 Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com>
2108 * configure.in (FreeBSD ELF): Needs special crt files.
2110 Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com>
2112 * i386/xm-cygwin.h: change DIR_SEPARATOR to forward slash.
2114 1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2116 * loop.c (check_dbra_loop): While reversing the loop, if the
2117 comparison value has a VOID mode use the mode of the other operand
2118 to compute the mask.
2120 Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com>
2122 * rs6000.md ({save,restore}_stack_function): Take 2 operands to
2123 avoid warnings in compiling explow.c.
2125 (patch from Ken Raeburn, raeburn@cygnus.com)
2126 * rs6000.c (rs6000_stack_info): Force 8-byte alignment of
2127 fpmem_offset. Compute total size after that, and then
2128 rs6000_fpmem_offset using both values.
2130 Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2132 * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
2133 the future; indeed that already happens in some cases.
2135 Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com>
2137 * sparc.c (input_operand): Recognize (const (constant_p_rtx)).
2138 (arith_operand): Remove constant_p_rtx handling.
2139 (const64_operand, const64_high_operand): Likewise.
2140 (arith11_operand, arith10_operand, arith_double_operand): Likewise.
2141 (arith11_double_operand, arith10_double_operand, small_int): Likewise.
2142 (small_int_or_double, uns_small_int, zero_operand): Likewise.
2143 * sparc.h (PREDICATE_CODES): Likewise.
2145 * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX.
2147 Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>:
2149 * rtl.def (CONSTANT_P_RTX): Clarify commentary.
2150 * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
2151 consider constant CONSTRUCTOR constant and to defer some cases
2153 * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
2154 * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
2156 Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com>
2158 * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
2159 * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
2161 * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling.
2162 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
2163 (sext_add_operand, and_operand, or_operand): Likewise.
2164 (reg_or_cint_operand, some_operand, input_operand): Likewise.
2165 * alpha.h (PREDICATE_CODES): Likewise.
2167 Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com)
2169 * version.c: Bump for snapshot.
2171 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
2173 * gengenrtl.c (gencode): Always use bzero to clear memory instead
2174 of dangerous casts and stores.
2176 * Makefile.in (compare, gnucompare): Add missing else true clauses.
2178 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
2180 * alpha.md (builtin_longjmp): Add missing "DONE".
2182 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
2184 * gcc.c (execute): Enable -pipe with win32.
2186 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
2188 * config/arm/t-arm-elf: Add multiplib option for leading
2191 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
2192 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
2194 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
2195 than variable 'reload_address_base_reg_class'. [Note this
2196 change is unrelated to the others in this patch].
2198 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
2201 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2203 * alias.c (record_alias_subset): Remove ignored `&'.
2204 (init_alias_once): Likewise.
2206 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
2208 * config/mips/mips.c (mips_asm_file_end): Cast the result of
2209 fwrite to `int' when comparing against one.
2211 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
2212 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
2214 * cse.c (rehash_using_reg): Change type of variable `i' to
2217 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
2218 assigning it to one.
2220 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
2222 * final.c (final_scan_insn): Likewise for variable `i'.
2223 (output_asm_insn): Cast a char to unsigned char when used as an
2226 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
2227 assigning it to one.
2229 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
2231 * recog.c (preprocess_constraints): Cast a char to unsigned char
2232 when used as an array index.
2234 * regmove.c (find_matches): Likewise.
2236 * reload1.c (calculate_needs): Add default case in switch.
2237 (eliminate_regs_in_insn): Initialize variable `offset'.
2238 (set_offsets_for_label): Change type of variable `i' to unsigned.
2239 (reload_as_needed): Wrap variable `i' in macro check on
2240 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
2242 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
2243 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
2244 when comparing against one.
2246 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
2247 unsigned when comparing against one. Likewise for
2248 GET_MODE_ALIGNMENT().
2249 (layout_record): Cast record_align to int when comparing against a
2251 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
2254 * tree.c (get_identifier): Cast variable `len' to unsigned when
2255 comparing against one.
2256 (maybe_get_identifier): Likewise
2258 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
2260 * toplev.c (rest_of_compilation): Do not set reload_completed.
2261 * reload1.c (reload): Set reload_completed before calling
2262 cleanup_subreg_operands.
2264 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
2266 * reload1.c (emit_reload_insns): Check `set' not null before use.
2268 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
2270 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
2273 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
2275 * halfpic.c (half_pic_encode): Delete redundant code.
2277 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
2279 * toplev.c (main): Delete handling of -dM as a preprocessor
2282 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
2284 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
2285 -dI, which are handled by the preprocessor.
2287 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
2289 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
2290 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
2292 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
2294 * version.c: Bump for snapshot.
2296 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
2298 * version.c: Bump for snapshot.
2300 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
2302 * version.c: Bump for snapshot.
2304 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2306 * genattr.c (fatal): Qualify a char* with the `const' keyword.
2308 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
2309 write_unit_name, write_eligible_delay, expand_units,
2310 make_length_attrs, write_attr_case, find_attr,
2311 make_internal_attr): Likewise.
2312 * gencheck.c (tree_codes): Likewise.
2313 * gencodes.c (fatal): Likewise.
2314 * genconfig.c (fatal): Likewise.
2315 * genemit.c (fatal): Likewise.
2316 * genextract.c (fatal, walk_rtx, copystr): Likewise.
2317 * genflags.c (fatal): Likewise.
2318 * genopinit.c (fatal, optabs, gen_insn): Likewise.
2319 * genoutput.c (fatal, error, predicates): Likewise.
2320 * genpeep.c (fatal): Likewise.
2321 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
2322 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
2324 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2326 * configure.in (with-fast-fixincludes): Fix whitespace.
2327 * configure: Rebuilt.
2329 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
2330 asm() etc. function declarations in __DECC.
2332 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
2334 * expr.c (emit_move_insn_1): Only emit a clobber if the target
2335 is a pseudo register.
2337 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
2339 * gcse.c: Include expr.h in order to get the prototype for
2340 get_condition() which is used in delete_null_pointer_checks().
2342 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2344 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
2346 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
2348 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
2349 (ALL_CFLAGS): Delete SCHED_CFLAGS.
2351 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
2353 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
2356 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
2358 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
2359 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
2360 optimizations from the combiner.
2362 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2364 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
2366 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
2368 * toplev.c (main): Disable optimize_size if a specific
2369 optimization level is requested. Always set optimization
2370 level to 2 if -Os is specified.
2372 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
2374 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
2376 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
2377 initialize it using fname.
2379 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
2381 * cpplib.c (do_include): Treat #include_next in the
2382 primary source file as #include plus warning. Treat
2383 #include_next in a file included by absolute path as an
2384 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
2386 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2388 * cccp.c: Don't define MIN/MAX anymore.
2389 * cpplib.c: Likewise.
2390 * machmode.h: Likewise.
2391 * system.h: Provide definitions for MIN/MAX.
2393 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2395 * fix-header.c: Don't define xstrdup here.
2397 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2399 * loop.c (consec_sets_giv): New argument last_consec_insn.
2400 (strength_reduce): Provide / use it.
2402 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2404 * loop.h (loop_info): New field 'vtop'.
2405 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
2406 scanning loop for vtop.
2407 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
2408 (loop_iterations): Use them to determine if loop has a constant
2409 number of iterations. Set loop_info->vtop. Don't subtract
2410 common reg term from initial_value and final_value if have a
2413 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
2415 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
2417 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
2419 * mn10200.md (abssf2, negsf2): New expanders.
2421 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
2423 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
2425 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
2426 replaced by a CONCAT whoes components do not have the same
2427 mode as the original SUBREG, use a new SUBREG to restore the
2430 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
2431 multiword complex values.
2433 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
2435 * cppalloc.c: Add xstrdup here.
2436 * cpplib.h: Remove savestring prototype.
2437 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
2439 * cppfiles.c: s/savestring/xstrdup/ throughout.
2441 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
2443 * cpplib.c: Make all directive handlers read their own
2445 (struct directive): Remove last two arguments from FUNC
2446 member prototype. Remove `command_reads_line' member
2448 (directive_table): Remove initializations of
2449 command_reads_line flag. Pretty-print.
2450 (eval_if_expression, do_define, do_line, do_include,
2451 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
2452 do_else, do_elif, do_sccs, do_assert, do_unassert,
2453 do_warning): Take only two args.
2455 (cpp_define): Call do_define with two args and the text to
2456 define stuffed into a buffer.
2457 (make_assertion): Call do_assert with two args.
2458 (handle_directive): Call do_line with two args. Call
2459 kt->func with two args. Remove command_reads_line
2461 (do_define, do_undef, do_error, do_warning, do_pragma,
2462 do_sccs): Read the rest of the line here.
2463 (do_ident): Gobble rest of line, as cccp does.
2464 (cpp_undef): New function.
2465 (cpp_start_read): Call cpp_undef instead of do_undef.
2467 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
2469 * cpphash.h (union hash_value): Remove `keydef' member, add a
2470 `struct hashnode *aschain' member for #assert.
2472 * cpplib.c (struct tokenlist_list, struct
2473 assertion_hashnode): Delete structure definitions.
2474 (assertion_install, assertion_lookup, delete_assertion,
2475 check_assertion, compare_token_lists, reverse_token_list,
2476 read_token_list, free_token_list): Delete functions.
2477 (parse_assertion): New function.
2478 (cpp_cleanup): Don't destroy the assertion_hashtable.
2480 (do_assert): Gut and rewrite. #assert foo (bar) places
2481 entries for `#foo' and `#foo(bar)' in the macro hash table,
2482 type T_ASSERT. The value union's `aschain' member is used
2483 to chain all answers for a given predicate together.
2484 (do_unassert): Also rewritten. Take an un-asserted
2485 answer off the chain from its predicate and call
2486 delete_macro on the hashnode, or walk a predicate chain
2487 calling delete_macro on all the entries.
2488 (cpp_read_check_assertion): Simply call parse_assertion to
2489 get the canonical assertion name, and look that up in the
2492 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
2495 * cpphash.c (install): Use bcopy instead of an explicit loop
2496 to copy the macro name.
2498 * cppexp.c (cpp_lex): Convert the result of
2499 cpp_read_check_assertion to a `struct operation' directly;
2500 don't go through parse_number.
2502 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2504 * loop.h (struct induction): Delete times_used member.
2505 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
2506 (n_times_used): Rename to n_times_set. Changed all users.
2507 (scan_loop): Free reg_single_usage before strength reduction.
2508 (record_giv, combine_givs): Remove handling of times_used member.
2509 (combine_givs_used_once): Rename to:
2510 (combine_givs_used_by_other) . Changed all callers.
2512 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
2514 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
2515 instead of TREE_CODE_CLASS == 't'.
2516 (gen_type_die): Likewise.
2517 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
2519 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
2521 * real.c (endian): Disable last change unless
2522 HOST_BITS_PER_WIDE_INT is greater than 32.
2524 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2526 * output.h (force_data_section): New prototype.
2527 * varasm.c (force_data_section): New function to force the
2528 data section, regardless of what in_section thinks.
2529 * dwarf2out.c (output_call_frame_info): Call force_data_section
2530 since varasm may not realize we've changes sections.
2532 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
2534 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
2535 after completeing reload.
2537 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
2538 deleted after reload.
2540 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
2542 * rtl.h (multiple_sets): Fix prototype.
2543 * rtlanal.c (multiple_sets): Fix return type.
2545 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
2547 * version.c: Bump for snapshot.
2549 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
2551 * version.c: Bump for snapshot.
2553 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
2555 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
2557 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2559 * rtl.h (recompute_reg_usage): Add second argument.
2560 * flow.c (recompute_reg_usage): Likewise.
2561 * toplev.c (rest_of_compilation): Supply second argument to
2562 recompute_reg_usage.
2564 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
2567 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
2569 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
2570 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
2571 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
2574 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
2576 * rtlanal.c (multiple_sets): New function.
2577 * rtl.h (multiple_sets): Declare it.
2578 * local-alloc.c (wipe_dead_reg): Use it.
2579 * global.c (global_conflicts): Likewise.
2581 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
2583 * global.c (record_conflicts): Don't use an array of shorts to
2584 store an array of ints.
2585 (global_conflicts): Likewise.
2587 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
2589 * alpha.c (alpha_expand_block_move): mode_for_size expects
2590 bits, not bytes. Infer extra alignment from addressof.
2592 1998-12-11 Michael Meissner <meissner@cygnus.com>
2594 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
2595 .sbss section, not .sdata.
2597 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
2599 * cccp.c: Do not #include <sys/stat.h> here; this is already done
2601 * collect2.c: Likewise.
2602 * cpplib.h: Likewise.
2605 * getpwd.c: Likewise.
2606 * protoize.c: Likewise.
2607 * toplev.c: Likewise.
2609 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
2610 and don't try to define it here.
2611 * Makefile.in (cppmain.o): Depend on machmode.h.
2612 (cpplib.o): Likewise.
2613 (cpperror.o): Likewise.
2614 (cppexp.o): Likewise.
2615 (cppfiles.o): Likewise.
2616 (cpphash.o): Likewise.
2617 (cppalloc.o): Likewise.
2618 (fix-header.o): Likewise.
2619 (scan-decls.o): Likewise.
2621 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
2623 * sh.c (print_operand): lookup interrupt_handler attribute instead
2624 of relying on static variable.
2625 * (calc_live_regs): Likewise.
2626 * (sh_pragma_insert_attributes): Create interrupt_handler
2627 attribute if a pragma was specified
2628 * (sh_valid_machine_decl_attribute): Don't set static flag.
2629 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
2631 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2633 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
2634 to determine if a register is live at a jump destination.
2635 Everything is dead at a BARRIER.
2637 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
2639 * cse.c (simplify_unary_operation): Sign-extend constants when
2640 they have the most significant bit set for the target.
2641 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
2643 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
2644 HOST_WIDE_INT temporary before negating it.
2645 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
2647 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
2649 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
2652 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2654 * collect2.h: New header file for prototypes.
2656 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
2658 * collect2.c: Include collect2.h.
2659 * tlink.c: Likewise.
2661 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
2663 * flow.c: Update some comments.
2665 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
2667 * objc/objc-act.c (cpp_initialized): Removed.
2668 (lang_init_options): Initialize cpplib.
2669 (lang_decode_option): Move initialization of cpplib to
2671 * c-lang.c: (parse_options,parse_in): Added.
2672 (lang_init_options): Initialized cpplib here.
2673 * c-decl.c (parse_options,cpp_initialized): Removed.
2674 (c_decode_option): Move initialization of cpplib to
2677 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2679 * reload1.c (reload_combine, reload_combine_note_store):
2680 Make STORE_RUID always valid.
2681 (reload_combine): Check if BASE is clobbered too early.
2683 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
2685 * reload.c (find_reloads): Display the insn that cannot be
2688 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
2690 * cccp.c (create_definition): Fix end of bufer logic.
2692 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2694 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
2695 pointer parameters changed to use the PARAMS() macro.
2697 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2699 * except.h (struct handler_info): Add handler_number field.
2700 * except.c (gen_exception_label): EH labels no longer need to be
2701 on the permanent obstack.
2702 (get_new_handler): Set the label number field.
2703 (output_exception_table_entry): Regenerate handler label reference
2704 from the label number field.
2705 (init_eh): Remove a blank line.
2706 * integrate.c (get_label_from_map): Labels no longer need to be
2707 on the permanent obstack.
2709 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
2711 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
2712 only when OUTER_CODE is SET.
2714 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2716 * loop.c (strength_reduce): If scan_start points to the loop exit
2717 test, be wary of subversive use of gotos inside expression statements.
2718 Don't set maybe_multiple for a backward jump that does not
2719 include the label under consideration into its range.
2720 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
2722 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2724 * explow.c (plus_constant_wide): Don't immediately return with
2725 result of recursive call.
2727 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2729 * eh-common.h (struct eh_context): Add table_index for rethrows.
2731 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
2732 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
2733 processed when inlined or unrolled (ie duplicated in some way).
2735 * rtl.c (reg_note_name): Add strings for new reg_note enums.
2737 * expr.h (rethrow_libfunc): New library decl.
2739 * optabs.c (rethrow_libfunc): Initialize.
2741 * except.h (struct eh_entry): Add new field 'rethrow_label'.
2742 (new_eh_region_entry): No longer exported from except.c.
2743 (duplicate_handlers): Renamed to duplicate_eh_handlers and
2744 different prototype.
2745 (rethrow_symbol_map, rethrow_used): New exported functions.
2746 (eh_region_from_symbol): New exported function.
2748 * except.c (create_rethrow_ref): New function to create a single
2749 SYMBOL_REF for a rethrow region.
2750 (push_eh_entry): Initialize a rethrow ref.
2751 (func_eh_entry): Add a rethrow_label field.
2752 (new_eh_region_entry): Make static, and initialize the rethrow entry.
2753 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
2754 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
2755 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
2756 a region into an appropriate new symbol.
2757 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
2758 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
2759 (end_catch_handler): Emit a barrier for new-exceptions since
2760 control can never drop through the end of a catch block.
2761 (expand_end_all_catch): new-exceptions never fall through a catch
2763 (expand_rethrow): use __rethrow routine for new exceptions.
2764 (output_exception_table_entry): Generate rethrow labels, if needed.
2765 (output_exception_table): Generate start and end rethrow labels.
2766 (init_eh): Create rethrow symbols for beginning and end of table.
2767 (scan_region): Don't eliminate EH regions which are the targets of
2770 * flow.c (make_edges): Add different edges for rethrow calls,
2771 identified by having the REG_EH_RETHROW reg label.
2772 (delete_unreachable_blocks): Don't delete regions markers which are
2773 the target of a rethrow.
2775 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
2776 allow save_for_inline_copying to call duplicate_eh_handlers.
2777 (save_for_inline_copying): Call duplicate_eh_handlers instead of
2778 exposing internal details of exception regions.
2779 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
2780 (expand_inline_function_eh_labelmap): New callback routine to
2781 allow expand_inline_function to call duplicate_eh_handlers.
2782 (expand_inline_function): Call duplicate_eh_handlers instead of
2783 exposing internal details of exception regions.
2784 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
2787 * libgcc2.c (find_exception_handler): Generalize to enable it to
2788 pick up processing where it left off last time for a rethrow.
2789 (__unwinding_cleanup): New function. debug hook which is called before
2790 unwinding when __throw finds there is nothing but cleanups left.
2791 (throw_helper): Common parts of __throw extracted out for reuse.
2792 (__throw): Common parts moved to throw_helper.
2793 (__rethrow): New function for performing rethrows.
2795 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
2797 * reload1.c (current_function_decl): Tweak declaration.
2799 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
2801 * c-decl.c (flag_isoc9x): Default off.
2802 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
2803 * cccp.c (print_help, main): Likewise.
2804 * gcc.c (default_compilers): Update for -std=gnu*.
2806 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
2808 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
2809 * demangle.h: Deleted.
2811 * reload1.c (current_function_decl): Declare.
2813 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2815 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
2817 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2819 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
2821 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
2823 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
2825 * configure: Rebuilt.
2826 * system.h: If the *_unlocked functions are available use them
2827 instead of the locked counterparts by defining macros.
2828 * config.in: Regenerated.
2830 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
2832 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
2833 wrong and should only be used for dump related things, not
2834 debugging information, instead main_input_filename should be used.
2835 Also, reuse output_file_directive if possible.
2836 * i386/aix386ng.h (ASM_FILE_START): Likewise.
2837 * i386/isc.h (ASM_FILE_START): Likewise.
2838 * i386/win-nt.h (ASM_FILE_START): Likewise.
2839 * i386/sun386.h (ASM_FILE_START): Likewise.
2841 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
2843 * configure.in (mips*-*-linux*): Handle big and little endian
2845 * configure: Rebuilt.
2847 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
2849 * emit-rtl.c: Fix typo.
2851 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
2853 * reload1.c (eliminate_regs): Don't do anything, if we're not
2856 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
2858 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
2860 * mips/mips.c (mips_select_section): Add comment.
2862 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
2864 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
2865 characters in file names in #line to be consistent with #include
2866 handling. We support escape prcessing in the # 1 "..." version of
2867 the command. See also support in cp/lex.c.
2868 (handle_directive): Likewise.
2869 (do_line): Likewise.
2871 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
2873 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
2874 so it'll work on non-ASCII platforms. Always consider $ an
2875 identifier character. Take no arguments.
2876 (cpp_reader_init): Call initialize_char_syntax with no
2878 (cpp_start_read): Don't call initialize_char_syntax again.
2879 Clear is_idchar['$'] and is_idstart['$'] if not
2880 opts->dollars_in_ident.
2882 * cpplib.h (struct cpp_reader): Replace void *data element by
2883 cpp_options *opts. Rearrange elements to make gdb printout
2884 less annoying (put buffer stack at end).
2885 (CPP_OPTIONS): Get rid of now-unnecessary cast.
2887 * cppmain.c: s/data/opts/ when initializing cpp_reader
2889 * c-decl.c: Likewise.
2890 * objc/objc-act.c: Likewise.
2891 * fix-header.c: Likewise.
2893 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
2895 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
2896 with a struct file_name_list pointer.
2897 (struct cpp_reader): Add pointer to chain of `actual
2898 directory' include searchpath entries.
2899 (struct file_name_list): Add *alloc pointer for the sake of
2900 the actual-directory chain.
2902 Move definition of HOST_WIDE_INT here.
2903 (cpp_parse_escape): Change prototype to match changes in
2906 * cppfiles.c (actual_directory): New function.
2907 (finclude): Use it to initialize the buffer's actual_dir
2909 (find_include_file): We don't need to fix up max_include_len
2912 * cpplib.c (do_include): Don't allocate a file_name_list on
2913 the fly for current directory "" includes, use the one that's
2914 been preallocated in pfile->buffer->actual_dir. Hoist out
2915 duplicate code from the search_start selection logic.
2916 (cpp_reader_init): Initialize pfile->actual_dirs.
2918 Remove definition of HOST_WIDE_INT. Change calls
2919 to cpp_parse_escape to match changes in cppexp.c (note
2920 hardcoded MASK, which is safe since this is the source
2923 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
2924 to handle wide character constants in #if directives. The
2925 function now returns a HOST_WIDE_INT, and takes a third
2926 argument which is a binary mask for all legal values (0x00ff
2927 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
2928 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
2929 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
2931 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
2933 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
2935 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2937 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
2938 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
2939 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
2941 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
2943 * final.c (output_asm_name): Use tabs to seperate comments from
2946 Include instruction lengths (if defined) in output.
2948 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2950 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
2951 in the loop_info structure.
2953 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
2955 * configure.in: (arm*-*-ecos-elf): New target.
2956 * configure: Regenerated.
2957 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
2958 * config/arm/ecos-elf.h: New file.
2959 * config/arm/unknown-elf.h (TARGET_VERSION): Check
2962 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2964 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
2966 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
2968 * version.c: Bump for snapshot.
2970 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2972 * loop.c (check_dbra_loop): New argument loop_info. Update fields
2975 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
2977 * version.c: Bump for snapshot.
2979 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2981 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
2982 compressed reports are ok and preferred over URLs
2984 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2986 * invoke.texi (Warning Options): Soften the tone of -pedantic
2988 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
2990 * print-rtl.c (print_rtx): Add prototype.
2992 * unroll.c (iteration_info): Make it static.
2994 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
2996 * alias.c (memrefs_conflict_p): A second ANDed address
2997 disables the aligned address optimization.
2999 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
3001 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
3004 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
3006 * i960.h (BOOL_TYPE_SIZE): Define.
3008 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3010 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
3011 from old valid_parallel_operands_4.
3012 (valid_parallel_operands_4): Check that operands for 4 operand
3013 parallel insns are valid, excluding load/store insns.
3014 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
3015 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
3016 valid_parallel_load_store instead of valid_parallel_operands_4.
3017 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
3018 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
3019 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
3020 *notqi_movqi_clobber): Use valid_parallel_operands_4.
3021 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
3022 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
3023 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
3025 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3027 * config/c4x/c4x.c (iteration_info): Delete extern.
3029 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3031 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
3033 * final.c (cleanup_subreg_operands): Delete some unused code.
3035 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
3036 (struct insn_alternative): New structure definition.
3037 (recog_op_alt): Declare variable.
3038 (preprocess_constraints): Declare function.
3039 * recog.c (recog_op_alt): New variable.
3040 (extract_insn): Verify number of alternatives is in range.
3041 (preprocess_constraints): New function.
3042 * reg-stack.c: Include recog.h.
3043 (constrain_asm_operands): Delete.
3044 (get_asm_operand_lengths): Delete.
3045 (get_asm_operand_n_inputs): New function.
3046 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
3047 N_OUTPUTS args. All callers changed.
3048 Compute number of inputs and outputs here by calling
3049 get_asm_operand_n_inputs.
3050 Instead of constrain_asm_operands, call extract_insn,
3051 constrain_operands and preprocess_constaints. Use information
3052 computed by these functions throughout.
3053 (record_reg_life): Delete code that is unused due to changes in
3054 record_asm_reg_life.
3055 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
3056 N_INPUTS and N_OUTPUTS args. All callers changed.
3057 Similar changes as in record_asm_reg_life.
3058 (subst_stack_regs): Move n_operands declaration into the if statement
3060 Delete code that is unused due to changes in subst_asm_stack_regs.
3061 * stmt.c (expand_asm_operands): Verify number of alternatives is in
3063 * Makefile.in (reg-stack.o): Depend on recog.h.
3065 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
3067 * except.c (set_exception_version_code): Argument is an "int".
3069 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
3071 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
3072 * configure: Rebuilt.
3074 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
3076 * configure.in (mipsel-*-linux*): New target.
3077 * mips/linux.h: New file, based on other Linux targets.
3079 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
3081 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
3082 runs in the context of the deleter, not the deletee, so we must
3083 use taskVarGet to find the correct memory to free.
3084 (__gthread_key_create): Initialize the task
3085 variable subsystem so that the task variable is still active when
3086 the delete hook is run.
3088 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
3090 * pdp11.h: Use optimize_size for space optimizations.
3091 * pdp11.c: Likewise.
3092 * pdp11.md: Likewise.
3094 * pdp11.h (TARGET_40_PLUS): Fix typo.
3096 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
3098 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
3101 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3103 * alias.c (addr_side_effect_eval): New function.
3104 (memrefs_conflict_p): Use it.
3105 * rtl.h (addr_side_effect_eval): Prototype it.
3107 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
3109 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
3111 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
3113 * reload.c (find_reloads): When force const to memory, put result
3114 in substed_operand not *recog_operand_loc.
3116 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
3118 * c-lex.c: Fix indentation from last patch.
3119 Remove trailing whitespace.
3122 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
3124 * flow.c (delete_block): Call set_last_insn after we have reset
3125 NEXT_INSN (kept_tail).
3127 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
3129 * mips.md (trap_if): Use "$0" for the value zero.
3131 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
3132 Stephen L Moshier <moshier@world.std.com>
3133 Richard Henderson <rth@cygnus.com>
3135 * c-common.c (declare_function_name): Declare predefinied variable
3138 * c-decl.c (flag_isoc9x): Set to 1 by default.
3139 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
3140 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
3142 * c-parse.in: Allow constructors in ISO C 9x.
3143 Rewrite designator list handling.
3144 Allow [*] parameters.
3145 Don't warn about comma at end of enum definition for ISO C 9x.
3147 * cccp.c (c9x): New variable.
3148 (rest_extension): New variable.
3149 (print_help): Document new -std= option.
3150 (main): Recognize -std= option. Set c9x appropriately.
3151 (create_definition): Recognize ISO C 9x vararg macros.
3153 * gcc.c (default_compilers): Adjust specs for -std options.
3154 (option_map): Add --std.
3155 (display_help): Document -std.
3157 * toplev.c (documented_lang_options): Add -std and remove
3160 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
3161 or REAL_VALUE_HTOF based on base of the constants.
3162 * fold-const.c (real_hex_to_f): New function. Replacement function
3163 for hex FP conversion if REAL_ARITHMETIC is not defined.
3164 * real.c (asctoeg): Add handling of hex FP constants.
3165 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
3168 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
3170 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
3171 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
3172 expansion. Use hi/lo as destination register.
3174 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
3175 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
3176 Avoid as macro expansion. Use hi/lo as destination register.
3178 * mips.h (MASK_CHECK_RANGE_DIV): New.
3179 (MASK_NO_CHECK_ZERO_DIV): New.
3180 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
3181 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
3182 return address for leaf functions out of r31 to support
3183 builtin_return_address.
3185 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3187 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
3188 NEXT_INSN(x) to check insn x.
3190 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
3192 * flow.c (delete_block): Call set_last_insn if we end up deleting the
3193 last insn in the rtl chain.
3195 * reload1.c (reload): Do not set reload_completed or split insns
3197 * toplev.c (rest_of_compilation): Set reload_completed after
3198 reload returns. Split insns after reload_cse has run.
3200 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
3202 * final.c (final_scan_insn): Abort if block_depth falls below 0.
3204 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
3206 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
3208 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
3210 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
3211 use of user-label_prefix.
3213 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3215 * reload1.c (emit_reload_insns): Clear spill_reg_store
3216 when doing a new non-inherited reload from the same pseudo.
3218 * local-alloc.c (function_invariant_p): New function.
3219 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
3220 to decide if an equivalence should be recorded.
3221 * reload1.c (num_eliminable_invariants): New static variable.
3222 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
3223 to decide if an equivalence should be recorded.
3225 (calculate_needs_all_insns): Skip insns that only set an equivalence.
3226 Take num_eliminable_invariants into account when deciding
3227 if register elimination should be done.
3228 (reload_as_needed): Take num_eliminable_invariants into account
3229 when deciding if register elimination should be done.
3230 (eliminate_regs): Handle non-constant reg_equiv_constant.
3231 * rtl.h (function_invariant_p): Declare.
3233 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
3235 * version.c: Bump for snapshot.
3237 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
3239 * version.c: Bump for snapshot.
3241 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
3243 * except.c (add_new_handler): Complain about additional handlers
3244 after one that catches everything.
3246 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
3248 * configure.in (alpha*-*-netbsd): Fix typo.
3249 * configure: Rebuilt.
3251 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3253 * system.h: Include libiberty.h.
3255 * c-aux-info.c: Remove prototypes for concat/concat3. Change
3256 function `concat' from fixed parameters to variable parameters,
3257 as is done in libiberty. All callers of concat/concat3
3258 changed to use the new `concat' with variable args.
3260 * cccp.c: Remove things made redundant by libiberty.h and/or
3261 conform to libiberty standards.
3263 * collect2.c: Likewise.
3264 * config/1750a/1750a.h: Likewise.
3265 * cppalloc.c: Likewise.
3266 * cppexp.c: Likewise.
3267 * cppfiles.c: Likewise.
3268 * cpphash.c: Likewise.
3269 * cpplib.c: Likewise.
3270 * dyn-string.c: Likewise.
3271 * fix-header.c: Likewise.
3274 * genattr.c: Likewise.
3275 * genattrtab.c: Likewise.
3276 * gencheck.c: Likewise.
3277 * gencodes.c: Likewise.
3278 * genconfig.c: Likewise.
3279 * genemit.c: Likewise.
3280 * genextract.c: Likewise.
3281 * genflags.c: Likewise.
3282 * gengenrtl.c: Likewise.
3283 * genopinit.c: Likewise.
3284 * genoutput.c: Likewise.
3285 * genpeep.c: Likewise.
3286 * genrecog.c: Likewise.
3287 * getpwd.c: Likewise.
3288 * halfpic.c: Likewise.
3290 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
3291 in NEED_DECLARATION_* macros.
3293 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
3294 conform to libiberty standards.
3295 (fatal): Fix const-ification of variable `format' in
3296 !ANSI_PROTOTYPES case.
3298 * prefix.c: Remove things made redundant by libiberty.h and/or
3299 conform to libiberty standards.
3301 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
3302 conflicting with function `spaces' from libiberty.
3304 * profile.c: Remove things made redundant by libiberty.h and/or
3305 conform to libiberty standards.
3306 * protoize.c: Likewise.
3309 * tlink.c: Likewise.
3310 * toplev.c: Likewise.
3311 * toplev.h: Likewise.
3314 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3316 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
3318 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3320 * README.C4X: Updated URLs.
3321 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
3322 (valid_parallel_operands_5): Remove unused variable.
3324 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3326 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
3328 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
3330 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
3331 which can be configured.
3332 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
3333 (Makefile): Pass actual LANGUAGES through the environment when
3335 (cstamp-h): Likewise.
3336 (config.status): Likewise.
3338 * configure.in (enable_languages): Add new configuration parameter
3339 "--enable-languages=lang1,lang2,...".
3340 (${srcdir}/*/config-lang.in): Change handling to configure only
3341 those directories, that the user might have enabled; default to
3342 "all" existing languages.
3343 * configure: Regenerate.
3345 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
3347 * rtlanal.c (regs_set_between_p): New function.
3348 * rtl.h (regs_set_between_p): Prototype it.
3349 * jump.c (jump_optimize): Use it instead of modified_between_p
3350 in the Sep 2 change.
3352 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
3353 Matthias Pfaller <leo@dachau.marco.de>
3355 * invoke.texi (Option Summary, NS32K Options): add description
3356 of NS32K specific options.
3358 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
3359 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
3360 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
3361 negdf2, absdf2): Use l instead of f since the double class and
3362 float class are no longer the same.
3363 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
3364 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
3365 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
3366 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
3368 (cmpsi, cmphi, cmpqi): use general_operand instead of
3369 non_immediate_operand. Removes erroneous assumption that can't
3371 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
3372 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
3374 (movstrsi, movstrsi1, movstrsi2): completely new block move
3376 (...): Patterns to exploit multiply-add instructions.
3377 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
3378 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
3379 patterns to exploit extended divide insns.
3380 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
3383 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
3384 float return values as well as simple scalar floats.
3385 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
3386 support new flag to denote 32381 fpu.
3387 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
3388 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
3390 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
3391 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
3392 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
3393 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
3394 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
3395 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
3396 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
3397 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
3398 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
3399 fpu registers and special register classes for new 32381
3400 instructions dotf and polyf.
3401 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
3403 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
3404 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
3406 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
3407 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
3408 (REGISTER_MOVE_COST): move code to register_move_cost function for
3409 ease of coding and debugging.
3410 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
3411 LONG_FLOAT_REGO is likely spilled but not caught by default
3413 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
3414 instead of hard coded numbers in range check.
3415 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
3416 (...): Add prototypes for functions in ns32k.c but disable because
3417 of problems when ns32k.h is included in machine independant files.
3419 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
3420 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
3421 hard_regno_mode_ok, secondary_reload_class,
3422 print_operand, print_operand_address): new register scheme to
3423 include 32381 fpu registers and special register classes for new
3424 32381 instructions dotf and polyf.
3425 (gen_indexed_expr): Make static to keep namespace clean.
3426 (check_reg): remove since never called.
3427 (move_tail, expand_block_move): helper functions for "movstrsi"
3429 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
3430 Increase cost of moves which go via memory.
3431 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
3432 (CPP_PREDEFINES): nolonger predefine "unix".
3434 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
3435 Remove erroneous %$. print_operand() can work out from the rtx is
3436 an immediate prefix is required.
3438 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
3439 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
3440 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
3442 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
3445 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
3446 Correct handling of pic operands.
3447 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
3448 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
3449 -mrtd calling convention.
3451 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
3453 * gcc.c (option_map): Recognize --output-class-directory.
3455 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3457 * loop.h (precondition_loop_p): Added new mode argument.
3458 * unroll.c (precondition_loop_p): Likewise.
3459 (approx_final_value): Function deleted and subsumed
3460 into loop_iterations.
3461 (loop_find_equiv_value): New function.
3462 (loop_iterations): Use loop_find_equiv_value to find increments
3463 too large to be immediate constants. Also use it to find terms
3464 common to initial and final iteration values that can be removed.
3466 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3468 * loop.h (struct loop_info): Define new structure.
3469 (precondition_loop_p): Added prototype.
3470 (unroll_loop): Added new argument loop_info to prototype.
3471 (final_biv_value, final_giv_value): Added new argument n_iterations
3473 * loop.c (strength_reduce): Declare new structure loop_iteration_info
3474 and new pointer loop_info.
3475 (loop_n_iterations): Replace global variable by element in
3476 loop_info structure.
3477 (check_final_value): New argument n_iterations.
3478 (insert_bct): New argument loop_info.
3479 (loop_unroll_factor): Replace global array by element in
3480 loop_info structure.
3481 (loop_optimize): Remove code to allocate and initialise
3482 loop_unroll_factor_array.
3483 * unroll.c (precondition_loop_p): No longer static since
3484 used by branch on count optimization.
3485 (precondition_loop_p, unroll_loop): New argument loop_info.
3486 (final_biv_value, final_giv_value, find_splittable_regs): New
3487 argument n_iterations.
3488 (loop_iteration_var, loop_initial_value, loop_increment,
3489 loop_final_value, loop_comparison_code, loop_unroll_factor):
3490 Replaced global variables by loop_info structure.
3491 (loop_unroll_factor): Replace global array by element in
3492 loop_info structure.
3494 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3496 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
3499 * unroll.c (precondition_loop_p): Return loop_initial_value
3500 for initial_value instead of loop_iteration_var.
3502 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3504 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
3505 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
3506 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
3507 to output the instruction sequences.
3509 (rptb_top): Provide alternatives to use any register or memory
3511 (rptb_end): Emit use of operands rather than assigning them
3512 explicitly to the RS and RE registers.
3514 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3516 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
3517 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
3518 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
3519 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
3520 c4x_merge_notes, c4x_parallel_process,
3521 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
3522 c4x_combine_parallel): Delete.
3524 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3526 * config/c4x/c4x.c: (c4x_override_options): For compatibility
3527 with old target options clear flag_branch_on_count_reg if
3528 -mno-rptb specified and set flag_argument_alias is -mno-aliases
3530 (c4x_output_cbranch): Handle a sequence of insns rather than a
3532 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
3533 has not been allocated as the loop counter.
3534 (c4x_address_conflict): Do not allow two volatile memory references.
3535 (valid_parallel_operands_4, valid_parallel_operands_5,
3536 valid_parallel_operands_6): Reject pattern if the register destination
3537 of the first set is used as part of an address in the second set.
3539 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3541 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
3542 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
3543 is no longer enabled if PARALLEL_MPY_FLAG set.
3544 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
3545 (REG_CLASS_CONTENTS): Add braces around initializers.
3546 (HAVE_MULTIPLE_PACK): Define.
3547 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
3548 REAL_VALUE_TO_DECIMAL.
3549 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
3550 REAL_VALUE_TO_DECIMAL.
3551 (ar0_reg_operand): Add prototype.
3552 (ar0_mem_operand): Likewise.
3553 (ar1_reg_operand): Likewise.
3554 (ar1_mem_operand): Likewise.
3555 (ar2_reg_operand): Likewise.
3556 (ar2_mem_operand): Likewise.
3557 (ar3_reg_operand): Likewise.
3558 (ar3_mem_operand): Likewise.
3559 (ar4_reg_operand): Likewise.
3560 (ar4_mem_operand): Likewise.
3561 (ar5_reg_operand): Likewise.
3562 (ar5_mem_operand): Likewise.
3563 (ar6_reg_operand): Likewise.
3564 (ar6_mem_operand): Likewise.
3565 (ar7_reg_operand): Likewise.
3566 (ar7_mem_operand): Likewise.
3567 (ir0_reg_operand): Likewise.
3568 (ir0_mem_operand): Likewise.
3569 (ir1_reg_operand): Likewise.
3570 (ir1_mem_operand): Likewise.
3571 (group1_reg_operand): Likewise.
3572 (group1_mem_operand): Likewise.
3573 (ir1_reg_operand): Likewise.
3574 (arx_reg_operand): Likewise.
3575 (not_rc_reg): Likewise.
3576 (not_modify_reg): Likewise.
3577 (c4x_group1_reg_operand): Remove prototype.
3578 (c4x_group1_mem_operand): Likewise.
3579 (c4x_arx_reg_operand): Likewise.
3581 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
3583 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
3584 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
3586 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3588 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
3591 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3593 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
3594 unless FMOVD_WORKS is defined.
3596 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3598 * regclass.c (init_reg_sets): Move code that calculates tables
3599 dependent on reg_class_contents from here...
3600 (init_reg_sets_1): To here.
3602 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
3604 * cpplib.h: Delete struct import_file. Add ihash element to
3605 struct cpp_buffer. Delete dont_repeat_files and
3606 import_hash_table elements from cpp_reader; change
3607 all_include_files to a hash table. Delete all foobar_include
3608 / last_foobar_include elements from struct cpp_options; put
3609 back four such: quote_include, bracket_include,
3610 system_include, after_include. Redo struct file_name_list
3611 completely. Add new structure type include_hash. Add
3612 prototypes for merge_include_chains and include_hash. Change
3613 prototypes for finclude, find_include_file, and
3614 append_include_chain to match changes below.
3616 * cppfiles.c (simplify_pathname, include_hash,
3617 remap_filename, merge_include_chains): New functions.
3618 (add_import, lookup_import, open_include_file): Removed.
3619 (INO_T_EQ): Define this (copied from cccp.c).
3620 (hack_vms_include_specification): Remove all calls and #if 0
3621 out the definition. It was being called incorrectly and at
3622 the wrong times. Until a VMSie can look at this, it's better
3623 to not pretend to support it.
3624 (append_include_chain): Change calling convention; now takes
3625 only one directory at a time, and sets up the data structure
3627 (redundant_include_p): Rewritten - this is now used for all
3628 include redundancy, whether by #ifndef, #import, or #pragma
3629 once. Looks up things in the include hash table.
3630 (file_cleanup): Decrement pfile->system_include_depth here if
3632 (find_include_file): Calling convention changed; now passes
3633 around a struct include_hash instead of 3 separate parameters.
3634 Guts ripped out and replaced with new include_hash mechanism.
3635 (finclude): Calling convention changed as for
3636 find_include_file. Error exits pulled out-of-line. Reformat.
3637 (safe_read): Return a long, not an int.
3638 (deps_output): Don't recurse.
3640 * cpplib.c (is_system_include): Deleted.
3641 (path_include): Fix up call to append_include_chain.
3642 (do_include): Fix up calls to find_include_file and finclude.
3643 Clean up dependency output a bit. Shorten obnoxiously lengthy
3644 #import warning message. Don't decrement
3645 pfile->system_include_depth here.
3646 (do_pragma): Understand the include_hash structure. Reformat.
3647 (do_endif): Correct handling of control macros. Understand
3649 (cpp_start_read): Fix up calls to finclude. Call
3650 merge_include_chains.
3651 (cpp_handle_option): Fix up calls to append_include_chain.
3652 Understand the four partial include chains.
3653 (cpp_finish): Add debugging code (#if 0-ed out) for the
3655 (cpp_cleanup): Free the include_hash, not the import hash and
3656 the all_include and dont_repeat lists which no longer exist.
3658 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
3660 * toplev.c (no_new_pseudos): Define.
3661 (rest_of_compilation): Set no_new_pseudos as needed.
3662 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
3663 if no_new_pseudos is set.
3664 * rtl.h (no_new_pseudos): Declare it.
3665 * reload1.c (reload): Update comments.
3666 * md.texi: Corresponding changes.
3668 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3670 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
3671 (choose_reload_regs): Rename it here as well. When computing it,
3672 also merge in used hardregs.
3674 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3676 * gcc.c: Split out Objective-C specs to...
3677 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
3680 * c-lex.c (init_parse): Always initialize the filename global.
3681 * objc/objc-act.c (lang_init): Always call check_newline at
3684 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
3686 * reload1.c (reload): Remove unused variable.
3687 (reload_reg_free_for_value_p): Add missing parameter definition.
3689 * jump.c (jump_optimize): Remove unused variable.
3691 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
3693 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
3695 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
3697 * expr.c (move_by_pieces): Similarly.
3698 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
3699 * flow.c (find_auto_inc): Similarly.
3700 (try_pre_increment): Similarly.
3701 * loop.c (strength_reduce): Similarly.
3702 * regclass.c (auto_inc_dec_reg_p): Similarly.
3703 * regmove.c (try_auto_increment): Similarly.
3704 (fixup_match_1): Similarly.
3705 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
3706 (HAVE_PRE_DECREMENT): Similarly.
3707 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
3708 * Corresponding changes to all target header files.
3709 * tm.texi: Update docs for autoinc addressing modes.
3711 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
3713 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
3714 * configure: Rebuild.
3715 * config/elfos.h: New file.
3716 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
3717 config/m68k/t-m68kelf: New file.
3719 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
3721 * Makefile.in (HOST_AR): Define.
3722 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
3723 (libcpp.a): Use the host tools explicitly.
3724 (STAGESTUFF): Add libcpp.a.
3726 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
3728 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
3729 to source and destination registers.
3731 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
3733 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
3734 The strategy we now use is to pre allocate the top_elt along
3735 with the EH context so that each thread has its own top_elt.
3736 This is necessary as the dynmanic cleanup chain is used on the
3737 top element of the stack and each thread MUST have its own.
3738 (eh_context_static): Likewise.
3739 (new_eh_context): Likewise.
3740 (__sjthrow): Likewise.
3742 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
3744 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
3745 * i386.md (prologue_get_pc): Remove unused variable.
3747 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
3749 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
3751 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
3753 * Makefile.in (OBJS): Add graph.o
3754 (graph.o): New dependency list.
3755 * flags.h: Declare dump_for_graph and define graph_dump_types type.
3756 * print-rtl.c (dump_for_graph): Define new variable.
3757 (print_rtx): Rewrite to allow use in graph dumping functions.
3758 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
3759 finish_graph_dump_file.
3760 Define graph_dump_format.
3761 (compile_file): If graph dumping is enabled also clear these files.
3762 Finish graph dump files.
3763 (rest_of_compilation): Also dump graph information if enabled.
3764 (main): Recognize -dv to enabled VCG based graph dumping.
3765 * graph.c: New file. Graph dumping functions.
3767 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
3769 * configure.in: Look for <sys/stat.h>.
3770 * system.h: Include it before substitute S_ISREG definitions.
3772 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
3774 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
3775 * config/mips/iris6.h: Same.
3776 * config/mips/mips.md: Same.
3777 * config/mips/mips.c: Same; also add "-mabi=o64" option.
3778 * config/mips/mips.h: Same; also define ABI_O64.
3780 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3782 * configure.in: Use AC_PREREQ(2.12.1).
3784 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
3786 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
3787 * cpplib.c, gcc.c: Likewise.
3788 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
3790 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
3792 * local-alloc.c (local_alloc): Use malloc not alloca for
3793 reg_qty, reg_offset, ref_next_in_qty.
3795 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3797 * caller-save.c (insert_one_insn): Initialize the live_before and
3798 live_after register sets.
3802 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
3803 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
3804 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
3805 (fp_reg_names, assembler_dialect): New variables.
3806 (print_operand_address): Handle SUBREGs.
3807 (print_operand): Added 'o' case.
3808 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
3809 Name of FP registers depends on mode.
3810 (expand_block_move): Emit different code for SH4 hardware.
3811 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
3812 (from_compare): Likewise.
3813 (add_constant): New argument last_value. Changed all callers.
3814 (find_barrier): Don't try HImode load for FPUL_REG.
3815 (machine_dependent_reorg): Likewise.
3816 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
3817 (gen_far_branch): Emit a barrier after the new jump.
3818 (barrier_align): Don't trust instruction lengths before
3820 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
3821 Use auto-inc addressing for fp registers if doubles need to
3822 be loaded in two steps.
3823 Set sh_flag_remove_dead_before_cse.
3824 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
3825 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
3826 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
3827 Support for FIRST_XD_REG .. LAST_XD_REG.
3828 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
3829 (sh_expand_epilogue): Likewise.
3830 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
3831 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
3832 (arith_reg_operand): FPUL_REG is OK for SH4.
3833 (fp_arith_reg_operand, fp_extended_operand) New functions.
3834 (tertiary_reload_operand, fpscr_operand): Likewise.
3835 (commutative_float_operator, noncommutative_float_operator): Likewise.
3836 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
3837 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
3838 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
3839 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
3840 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
3841 (CONDITIONAL_REGISTER_USAGE): Likewise.
3842 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
3843 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
3844 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
3845 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
3846 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
3847 to -1 and sh_flag_remove_dead_before_cse to 1.
3848 (ASSEMBLER_DIALECT): Define to assembler_dialect.
3849 (assembler_dialect, fp_reg_names): Declare.
3850 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
3851 Hide names of registers that are not accessible.
3852 (CACHE_LOG): Take TARGET_CACHE32 into account.
3853 (LOOP_ALIGN): Take TARGET_HARWARD into account.
3854 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
3855 (FIRST_PSEUDO_REGISTER: Now 49.
3856 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
3857 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
3858 (HARD_REGNO_MODE_OK): Update.
3859 (enum reg_class): Add DF_REGS and FPSCR_REGS.
3860 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
3861 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
3862 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
3863 (NPARM_REGS): Eight floating point parameter registers on SH4.
3864 (BASE_RETURN_VALUE_REG): SH4 also passes double values
3865 in floating point registers.
3866 (GET_SH_ARG_CLASS) Likewise.
3867 Complex float types are also returned in float registers.
3868 (BASE_ARG_REG): Complex float types are also passes in float registers.
3869 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
3870 (LIBCALL_VALUE): Remove trailing semicolon.
3871 (ROUND_REG): Round when double precision value is passed in floating
3873 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
3874 passed on the stack.
3875 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
3876 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
3877 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
3878 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
3879 (MODE_DISP_OK_8): Not for SH4 DFmode.
3880 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
3881 Allow indexed addressing for PSImode after reload.
3882 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
3883 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
3884 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
3885 (DOUBLE_TYPE_SIZE): 64 for SH4.
3886 (RTX_COSTS): Add PLUS case.
3887 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
3888 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
3889 MAC_REGS, PR_REGS, DF_REGS.
3890 (REGISTER_NAMES): Use fp_reg_names.
3891 (enum processor_type): Add PROCESSOR_SH4.
3892 (sh_flag_remove_dead_before_cse): Declare.
3893 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
3894 (PREDICATE_CODES): Add binary_float_operator,
3895 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
3896 fpscr_operand, noncommutative_float_operator.
3897 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
3898 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
3899 * sh.md (attribute cpu): Add value sh4.
3900 (attrbutes fmovd, issues): Define.
3901 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
3902 (function units memory, int, mpy, fp): Make dependent on issue rate.
3903 (function units issue, single_issue, load_si, load): Define.
3904 (function units load_store, fdiv, gp_fpul): Define.
3905 (attribute hit_stack): Provide proper default.
3906 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
3907 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
3908 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
3909 (mulsi3_call): Now uses match_operand for function address.
3910 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
3912 (push, pop, push_e, pop_e): Now define_expands.
3913 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
3914 (movsi_ie): Added y/i alternative.
3915 (ic_invalidate_line_i, movdf_i4): New insns.
3916 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
3917 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
3918 (movdf): Add special code for SH4.
3919 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
3920 (call_valuei, calli, call_value): Likewise.
3921 (movsf): Emit no-op move.
3922 (mov_nop, movsi_y): New insns.
3923 (blt, sge): generalize to handle DFmode.
3924 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
3925 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
3926 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
3927 (fpu_switch0, fpu_switch1, movpsi): New expanders.
3928 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
3929 (toggle_sz): New insn.
3930 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
3931 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
3932 (macsf3): Make use of fpscr visible. Disable for SH4.
3933 (floatsisf2): Make use of fpscr visible.
3934 (floatsisf2_i4): New insn.
3935 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
3936 (ieee_ccmpeqsf_t): Likewise.
3937 (fix_truncsfsi2): Emit different code for SH4.
3938 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
3939 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
3940 (negsf2, sqrtsf2, abssf2): Now expanders.
3941 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
3942 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
3943 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
3944 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
3945 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
3946 (fix_truncdfsi2_i4_2+1): New splitters.
3947 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
3948 (extendsfdf2, truncdfsf2): New expanders.
3949 (truncdfsf2_i4): New insn.
3950 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
3951 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
3952 * float-sh.h: When testing for __SH3E__, also test for
3953 __SH4_SINGLE_ONLY__ .
3954 * va-sh.h (__va_freg): Define to float.
3955 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
3956 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
3957 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
3958 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
3960 (TARGET_SH4_P): Define.
3963 * sh.md (movdf_k, movsf_i): Tweak the condition so that
3964 init_expr_once is satisfied about the existence of load / store insns.
3966 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
3967 change m constraint in source operand to mr / mf .
3969 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
3971 * (__VA_REEF): Define.
3972 (__va_arg_sh1): Use it.
3974 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
3976 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
3978 * i386/dgux.c (struct option): Add new "description field".
3979 * m88k/m88k.c (struct option): Likewise.
3981 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
3983 * version.c: Bump for snapshot.
3985 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3987 * regmove.c (regmove_profitable_p): Use return value of find_matches
3990 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
3992 * version.c: Bump for snapshot.
3994 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
3996 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
3997 without reload having been called earlier.
3999 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
4001 (v850_reorg): Similarly.
4003 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
4005 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4007 * loop.c (move_movables): Start of libcall might be new loop start.
4009 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4011 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
4013 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4015 * function.c (nonlocal_goto_handler_slots): Renamed from
4016 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
4017 (push_function_context_to): Adjust for this change.
4018 (pop_function_context_from): Likewise.
4019 (init_function_start): Likewise.
4020 (expand_function_end): Likewise.
4021 * function.h (struct function): Likewise.
4022 * calls.c (expand_call): Likewise.
4023 * explow.c (allocate_dynamic_stack_space): Likewise.
4024 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
4025 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
4027 (expand_goto): When doing a nonlocal goto, find corresponding handler
4028 slot for it. Don't put the label address in the static chain register.
4029 (expand_end_bindings): Break out nonlocal goto handling code into
4030 three new functions.
4031 (expand_nl_handler_label, expand_nl_goto_receiver,
4032 expand_nl_goto_receivers): New static functions, broken out of
4033 expand_end_bindings and adapted to create one handler per nonlocal
4035 * function.c (delete_handlers): Delete insn if it references any of
4036 the nonlocal goto handler slots.
4037 * i960.md (nonlocal_goto): Comment out code that modifies
4039 * sparc.md (nonlocal_goto): Likewise.
4040 (goto_handler_and_restore_v9): Comment out.
4041 (goto_handler_and_restore_v9_sp64): Comment out.
4043 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4045 * expr.c (STACK_BYTES): Delete unused macro.
4046 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
4047 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
4048 (expand_call): Likewise.
4049 (emit_library_call): Likewise.
4050 (emit_library_call_value): Likewise.
4051 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
4052 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
4053 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
4054 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
4055 (allocate_dynamic_stack_space): Likewise.
4056 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
4057 (STACK_BOUNDARY): Update description to reflect the new situation.
4059 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
4061 * reorg.c (relax_delay_slots): When optimizing for code size, if a
4062 return with a filled delay slot is followed by a return with an
4063 unfilled delay slot, delete the first return and reemit the insn
4064 that was previously in its delay slot.
4066 * i860.c (single_insn_src_p): Add missing parens.
4067 * ginclude/math-3300.h: Likewise.
4069 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
4071 * regclass.c (init_reg_sets_1): Add prototype.
4072 (init_reg_modes): Likewise.
4074 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
4076 * c-common.c: Change warning messages to say `comparison is
4077 always true' or `comparison is always false' instead of the
4078 confusing `is always 0', `is always 1'.
4080 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
4082 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
4083 break instead of return (which loses closing '>').
4085 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
4087 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
4088 standard 387 constants.
4090 * i386.md (jump): Explicitly set "memory" attribute.
4091 (indirect_jump, prologue_set_stack_ptr): Likewise.
4092 (prologue_get_pc_and_set_got, pop): Likewise.
4093 (allocate_stack_worder, blockage, return_internal): Likewise.
4094 (return_pop_internal, nop): Likewise.
4095 (epilogue_set_stack_ptr, leave): Likewise.
4097 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
4099 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
4101 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4103 * reload1.c (reload_reg_free_for_value_p):
4104 Early auto_inc reloads don't conflict with outputs.
4106 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4108 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
4109 Instead call AC_HEADER_SYS_WAIT.
4111 * collect2.c: Don't provide defaults for sys/wait.h macros.
4113 * protoize.c: Likewise. Also, don't include sys/wait.h.
4115 * system.h: Include sys/wait.h and provide macro defaults.
4117 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4119 * Makefile.in (mandir): Set to @mandir@.
4120 (man1dir): New variable to hold the former value of $(mandir).
4121 Replace all uses of $(mandir) by $(man1dir).
4123 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
4125 * reload.c (find_reloads_address_part): If have a CONST_INT, create
4126 a new one before passing it to force_const_mem.
4128 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
4129 find_reloads_address call.
4131 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4133 * expr.c (store_expr): Don't generate load-store pair
4134 if TEMP is identical (according to ==) with TARGET.
4136 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4138 * reload1.c (reload_reg_free_for_value_p): When considered reload
4139 has an output, matching inputs are not sufficient to avoid conflict.
4141 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
4143 * hash.h (hash_table_key): New type.
4144 (hash_entry): Change `string' field to generic `key'.
4145 (hash_table): Add `comp' and `hash' functions.
4146 (hash_table_init): Take them as input.
4147 (hash_table_init_n): Likewise.
4148 (hash_lookup): Modify for generic keys.
4149 (hash_newfunc): Likewise.
4150 (hash_traverse): Likewise.
4151 (string_hash): New function.
4152 (string_compare): Likewise.
4153 (string_copy): Likewise.
4154 * hash.c (hash_table_init_n): Modify for generic keys.
4155 (hash_table_init): Likewise.
4156 (hash_lookup): Likewise.
4157 (hash_newfunc): Likewise.
4158 (hash_traverse): Likewise.
4159 (string_hash): Split out from hash_lookup.
4160 (string_compare): New function.
4161 (string_copy): Split out from hash_lookup.
4162 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
4164 (symbol_hash_lookup): Likewise.
4165 (file_hash_newfunc): Likewise.
4166 (file_hash_lookup): Likewise.
4167 (demangled_hash_newfunc): Likewise.
4168 (demangled_hash_lookup): Likewise.
4169 (tlink_int): Likewise.
4170 (read_repo_file): Likewise.
4171 (recompile_files): Likewise.
4172 (demangle_new_symbols): Likewise.
4173 (scan_linker_output): Likewise.
4175 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4177 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
4179 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
4181 * rs6000.c (output_mi_thunk): Improve test for local branch.
4183 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4185 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
4187 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4189 * reload1.c (reload_reg_free_before_p): Delete.
4190 Changed all callers to use reload_reg_free_for_value_p instead.
4191 (reload_reg_free_for_value_p): Handle more reload types.
4192 A RELOAD_FOR_INPUT doesn't conflict with its
4193 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
4194 Add special case for OUT == const0_rtx.
4195 Added ignore_address_reloads argument. Changed all callers.
4197 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
4199 * toplev.c (compile_file): Don't pedwarn about undefined static
4200 functions just because we passed -Wunused.
4202 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4204 * function.c (purge_addressof_1): Unshare rtl created by
4207 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4209 * regmove.c (regmove_optimize): Don't do anything but
4210 optimize_reg_copy[123] when flag_regmove is not set.
4212 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
4214 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
4215 value in paradoxical SImode result, rather than truncating midpoint.
4217 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
4219 * alpha.c (reg_not_elim_operand): New.
4220 * alpha.h (PREDICATE_CODES): Add it.
4221 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
4222 for the multiplicand.
4224 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
4226 * rs6000.md (movsf): Remove explicit secondary-reload-like
4227 functionality. Only truncate SFmode store if in FPR.
4228 (movsf splitters): Combine const_double splitters.
4229 (movsf_hardfloat): Add GPR support.
4231 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
4233 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
4234 deprecate -mlive-g0 and -mbroken-saverestore.
4235 * t-splet (MULTILIB_OPTIONS): Likewise.
4237 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
4238 in a leaf function. Clarify total_size/extra_size relationship.
4240 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
4242 * i386/cygwin32.asm: Delete.
4243 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
4244 * i386/cygwin32.h: Delete.
4245 * i386/cygwin.h: New file, renamed from cygwin32.h.
4246 * i386/t-cygwin32: Delete.
4247 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
4248 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
4249 * i386/x-cygwin32: Delete.
4250 * i386/x-cygwin: New file, renamed from x-cygwin32.
4251 * i386/xm-cygwin32: Delete.
4252 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
4253 renamed cygwin_ funcs for path translations.
4254 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
4255 * i386/winnt.c: Remove "32" from comment about cygwin.
4256 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
4257 * rs6000/cygwin32.h: Delete.
4258 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
4259 -D__CYGWIN__ to CPP_PREDEFINES.
4260 * rs6000/x-cygwin32: Delete.
4261 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
4262 * rs6000/xm-cygwin32: Delete.
4263 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
4265 * configure.in: Check for cygwin* instead of cygwin32. Account
4266 for the rename of cygwin-related config files to lose the "32"s.
4267 * configure: Regenerate.
4269 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
4270 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
4272 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
4274 * Makefile.in (JAVAGC): New macro.
4275 * configure: Rebuilt.
4276 * configure.in: Recognize --enable-java-gc argument. Subst
4279 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4281 Handle equivalences that have been obscured by gcse:
4283 * reload1.c (reload): Handle equivalences set up in multiple places.
4284 * local-alloc.c (reg_equiv_init_insns): New variable.
4285 (no_equiv): New function.
4286 (update_equiv_regs): Handle equivalences set up in multiple places.
4287 Don't ignore an insn just because its destination is likely to be
4290 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
4292 * except.c (expand_eh_return): Readd force_operand call lost in
4295 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
4297 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
4299 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4301 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
4303 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4305 * regmove.c (regmove_optimize): Fix error in last change.
4307 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
4309 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
4310 offset in the .mask pseudo to compensate for frame pointer adjustments.
4311 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
4312 word swap arguments moved to/from FP registers.
4313 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
4315 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
4317 * version.c: Bump for snapshot.
4319 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
4321 * version.c: Bump for snapshot.
4323 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
4325 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
4326 times, then it can not be completely replaced.
4328 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
4330 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
4332 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4334 * gansidecl.h: Prepend a "G" to the macro wrapping this file
4335 (to distinguish it from the macro wrapping ansidecl.h.)
4336 Include libiberty's ansidecl.h. Remove all redundant definitions.
4337 Define the PROTO() style macros in terms of the PARAMS() ones.
4340 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
4341 __STDC__, when deciding whether to use ANSI variable args.
4342 (emit_library_call_value): Likewise.
4344 * cccp.c (error): Likewise.
4345 (warning): Likewise.
4346 (error_with_line): Likewise.
4347 (warning_with_line): Likewise.
4348 (pedwarn): Likewise.
4349 (pedwarn_with_line): Likewise.
4350 (pedwarn_with_file_and_line): Likewise.
4353 * cexp.y (error): Likewise.
4354 (pedwarn): Likewise.
4355 (warning): Likewise.
4357 * collect2.c (fatal_perror): Likewise.
4361 * combine.c (gen_rtx_combine): Likewise.
4363 * cpperror.c (cpp_message): Likewise.
4364 (cpp_fatal): Likewise.
4366 * cpplib.c (cpp_error): Likewise.
4367 (cpp_warning): Likewise.
4368 (cpp_pedwarn): Likewise.
4369 (cpp_error_with_line): Likewise.
4370 (cpp_warning_with_line): Likewise.
4371 (cpp_pedwarn_with_line): Likewise.
4372 (cpp_pedwarn_with_file_and_line): Likewise.
4374 * cpplib.h: Don't define PARAMS() macro.
4376 * demangle.h: Likewise.
4378 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
4379 when deciding whether to use ANSI variable args.
4381 * emit-rtl.c (gen_rtx): Likewise.
4382 (gen_rtvec): Likewise.
4384 * final.c (asm_fprintf): Likewise.
4386 * fix-header.c (cpp_message): Likewise.
4388 (cpp_fatal): Likewise.
4390 * gcc.c (concat): Likewise.
4394 * genattr.c (fatal): Likewise.
4396 * genattrtab.c (attr_rtx): Likewise.
4397 (attr_printf): Likewise.
4400 * gencodes.c (fatal): Likewise.
4402 * genconfig.c (fatal): Likewise.
4404 * genemit.c (fatal): Likewise.
4406 * genextract.c (fatal): Likewise.
4408 * genflags.c (fatal): Likewise.
4410 * genopinit.c (fatal): Likewise.
4412 * genoutput.c (fatal): Likewise.
4415 * genpeep.c (fatal): Likewise.
4417 * genrecog.c (fatal): Likewise.
4419 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
4420 deciding whether to declare `tree_node' and `rtx_def'.
4422 * hash.h: Don't define stuff we get from gansidecl.h.
4424 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
4425 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
4426 whether to use ANSI variable args.
4429 * prefix.c (concat): Likewise.
4433 * system.h: Likewise.
4435 * toplev.c (error_with_file_and_line): Likewise.
4436 (error_with_decl): Likewise.
4437 (error_for_asm): Likewise.
4440 (warning_with_file_and_line): Likewise.
4441 (warning_with_decl): Likewise.
4442 (warning_for_asm): Likewise.
4443 (warning): Likewise.
4444 (pedwarn): Likewise.
4445 (pedwarn_with_decl): Likewise.
4446 (pedwarn_with_file_and_line): Likewise.
4448 (really_sorry): Likewise.
4450 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
4451 whether to declare `tree_node' and `rtx_def'.
4453 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
4454 deciding whether to use ANSI variable args.
4455 (build_nt): Likewise.
4456 (build_parse_node): Likewise.
4458 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
4460 * version.c: Bump for snapshot.
4462 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4464 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
4466 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
4468 * collect2.c (main, case 'b'): Use else if.
4470 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4472 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
4473 Arrange to include gansidecl.h in {ht}config.h & tm.h just
4474 before the config/ directory headers.
4475 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
4476 gansidecl.h in the list of dependencies.
4478 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
4479 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
4480 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
4481 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
4482 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
4483 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
4486 * cccp.c: Don't include gansidecl.h.
4488 * collect2.c: Likewise.
4489 * config/c4x/c4x.c: Likewise.
4490 * config/v850/v850.h: Likewise.
4491 * cppalloc.c: Likewise.
4492 * cpperror.c: Likewise.
4493 * cppexp.c: Likewise.
4494 * cppfiles.c: Likewise.
4495 * cpphash.c: Likewise.
4496 * cpplib.c: Likewise.
4497 * cppmain.c: Likewise.
4498 * cppulp.c: Likewise.
4499 * demangle.h: Likewise.
4500 * doprint.c: Likewise.
4501 * dyn-string.c: Likewise.
4502 * eh-common.h: Likewise.
4503 * fix-header.c: Likewise.
4504 * frame.c: Likewise.
4507 * gen-protos.c: Likewise.
4508 * gencheck.c: Likewise.
4509 * halfpic.h: Likewise.
4511 * machmode.h: Likewise.
4512 * mbchar.c: Likewise.
4513 * prefix.c: Likewise.
4514 * protoize.c: Likewise.
4515 * recog.h: Likewise.
4517 * scan-decls.c: Likewise.
4519 * varray.h: Likewise.
4521 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
4523 * i386.md (call_value_pop): If we're not popping anything,
4524 defer to call_value.
4525 (call_pop): Likewise defer to call.
4527 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
4529 * function.c (purge_addressof): Clear purge_addressof_replacements
4530 only after processing the whole function.
4532 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
4534 * reload1.c (reload): If we can not perform a particular elimination
4535 when we thought we could earlier, then we must always iterate through
4536 the loop at least one more time.
4538 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
4540 * alpha.c (add_operand): Simplify the CONST_INT match.
4541 (sext_add_operand): Correct typo in comparison by using
4542 CONST_OK_FOR_LETTER_P.
4543 * alpha.md (s?addq): Use sext_add_operand to allow the negative
4544 constant alternatives to be generated.
4545 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
4546 small constants, since the hw instructions do.
4548 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4550 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
4551 previous insn to store directly into our reload register, make sure
4552 that if the source of the previous insn is a reload register, its
4553 spill_reg_store and spill_reg_stored_to values are cleared.
4555 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
4557 * rs6000.md (floatunssidf2_internal splitter): Use base register
4558 operand, not hard-coded SP.
4560 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4562 * jump.c (calculate_can_reach_end): Fix thinko.
4564 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
4566 * reorg.c (fill_simple_delay_slots): Fix typo.
4568 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
4570 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
4572 * i386.md (extendsidi2): Use # in the output template.
4573 (extendsidi splitters): New splitters.
4575 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
4577 * configure.in: Use unknown-elf.h as tm_file for arm-elf
4579 * configure: Regenerate.
4581 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4583 * jump.c (init_label_info, delete_barrier_successors,
4584 mark_all_labels, delete_unreferenced_labels,
4585 delete_noop_moves, calculate_can_reach_end): New functions broken
4586 out of jump_optimize.
4587 (jump_optimize): Use them.
4589 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
4591 * except.c (expand_fixup_region_end): Make sure outer context labels
4592 are not issued in an inner context during cleanups.
4594 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
4596 * alpha.md (addsi3, subsi3): No new temporaries once cse is
4599 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
4601 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
4602 to expose this midpoint to CSE.
4604 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4606 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
4608 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4610 * configure.in: Bring over gcc2 change of Nov 19 1997.
4612 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
4614 * toplev.c (output_lang_identify): Make definition dependent on
4615 ASM_IDENTIFY_LANGUAGE.
4617 * print-rtl.c (spaces): Make static.
4619 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
4621 * extend.texi: Clarify proper uses for register clobbers in asms.
4623 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4625 * recog.h (enum op_type): Define.
4626 (constrain_operands): Adjust prototype.
4627 (recog_op_type): Declare new variable.
4628 * recog.c (recog_op_type): New variable.
4629 (insn_invalid_p): Allow modifying an asm statement after reload.
4630 (extract_insn): Set up recog_op_type.
4631 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
4632 Don't compute operand types, use recog_op_type.
4633 Use the information computed by extract_insn instead of the previous
4634 method of finding it by insn code number.
4635 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
4636 * reorg.c (fill_slots_from_thread): Likewise.
4637 * reload1.c (reload_as_needed): Likewise.
4638 (gen_reload): Likewise.
4639 (inc_for_reload): Likewise.
4640 (reload_cse_simplify_operands): Likewise.
4641 Use the information computed by extract_insn instead of the previous
4642 method of finding it by insn code number.
4643 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
4645 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
4646 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
4647 Use the information computed by extract_insn instead of the previous
4648 method of finding it by insn code number.
4649 * regmove.c (find_matches): Likewise. Change meaning of the return
4650 value to be nonzero if the optimization can be performed, zero if
4651 not. All callers changed.
4652 Shorten some variable names to fix formatting problems.
4653 (regmove_optimize): Shorten some variable names to fix formatting
4655 Use the information computed by extract_insn instead of the previous
4656 method of finding it by insn code number.
4657 * regclass.c (scan_one_insn): Likewise.
4658 (record_reg_classes): Don't compute operand types, use recog_op_type.
4659 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
4660 recog_constraints instead.
4662 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
4664 * rtl.h (flow2_completed): Declare.
4665 * flow.c (flow2_completed): Definition.
4666 * toplev.c (rest_of_compilation): Set and clear flow2_completed
4669 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
4671 * Makefile.in (libcpp.a): Ranlib libcpp.a
4673 * cppulp.c (user_label_prefix): Initialize.
4675 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
4677 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
4678 at a RETURN if current_function_sp_is_unchanging is set.
4680 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4682 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
4684 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
4686 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
4687 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
4688 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
4689 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
4690 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
4691 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
4693 (LIB_SPEC): Handle -mno-cyginw option.
4694 (LINK_SPEC): Handle -mdll.
4696 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4698 * reload.c (find_reloads): Fix test for usage by other reload
4699 to handle secondary reloads properly.
4701 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4703 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
4704 intermediate structure which has exactly the members provided by
4705 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
4706 static intermediate structure.
4708 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
4709 from the intermediate structure. Do the same analogous fix in
4710 the case where ELIMINABLE_REGS is not defined.
4712 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
4714 * pa.h (SELECT_SECTION): Fix thinko.
4716 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
4718 * dwarf2out.c (output_call_frame_info): Comments on last change.
4720 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
4722 * arm.c (add_constant): When taking the address of an item in the
4723 pool, get the mode of the item addressed.
4725 * arm.c (final_prescan_insn case INSN): If an insn doesn't
4726 contain a SET or a PARALLEL, don't consider it for conditional
4729 Restore ABI compatibility for NetBSD.
4730 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
4732 (RETURN_IN_MEMORY): Likewise.
4734 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
4736 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
4737 (m32r_output_block_move): Rewrite bytes < 4 handling.
4739 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4741 * configure.in: Call AC_FUNC_VFORK.
4743 * collect2.c: Define VFORK_STRING as a printable string for
4744 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
4745 defined, include vfork.h. If VMS is defined, define vfork()
4746 appropriately. Remove vfork check on USG, we're using autoconf.
4747 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
4748 checking locally what string to pass.
4749 (scan_prog_file): Likewise.
4750 (scan_libraries): Likewise.
4752 * gcc.c: Remove vfork check on USG, we're using autoconf.
4753 Besides, no calls to vfork/fork occur in this file.
4755 * protoize.c: Likewise.
4757 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4759 * configure.in (DEFAULT_LINKER): renamed from LD
4760 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
4761 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
4762 * configure: rebuilt
4764 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4766 * BUGS: fix the regexp for `more' to find the appropriate node.
4767 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
4769 * BUGS: added link to the WWW FAQ
4771 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
4773 * version.c: Bump for snapshot.
4775 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
4777 * From Christian Gafton:
4778 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
4779 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
4780 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
4782 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
4784 * c-common.c (c_get_alias_set): Allow all type-punning through
4785 unions. Don't get confused about the type of a bit-field, despite
4786 the antics of build_modify_expr.
4788 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
4790 * fixinc.sco: Paramaterize #include_next values.
4791 * fixinc/fixinc.sco: Likewise.
4793 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
4795 * toplev.c (rest_of_compilation): No longer set reload_completed.
4796 * reload1.c (reload): Set it here. Perform instruction splitting
4797 after reload has completed if we will be running the scheduler
4800 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
4802 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
4803 EH region if exceptions are enabled and we're performing cross
4805 (find_cross_jump): Exit loop if the insns are in different EH regions.
4807 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
4809 * dwarf2out.c (output_call_frame_info): Use
4810 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
4812 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4814 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
4815 * c-common.c (check_format_info): Don't check for the 'x'
4816 format character twice, instead check for 'x' and 'X'
4818 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
4820 * configure.in (assembler features): Also make gas is configured if
4821 we find it in the souce tree.
4823 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
4825 * i386.c (i386_comp_type_attributes): Compare whether the
4826 attributes are defined, not their tree nodes.
4828 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4830 * configure.in (gxx_include_dir): bitten by autoconf quoting
4832 * configure: rebuilt
4834 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4836 * configure.in: Ignore non-absolute value in $AS.
4838 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
4840 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
4842 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
4844 * configure.in (msdosdjgpp): Set exeext and target_alias.
4846 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4848 * flow.c (XNMALLOC): New macro.
4849 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
4851 (add_edge, add_edge_to_label): New static functions.
4852 (free_bb_memory): New function.
4853 (flow_delete_insn): Delete function.
4854 (basic_block_drops_in): Delete variable.
4855 (find_basic_blocks): Allocate and initialize basic_block_head,
4856 basic_block_succ. Don't allocate basic_block_drops_in.
4857 Call free_bb_memory at the beginning.
4858 (find_basic_blocks_1): Don't do multiple passes.
4859 Delete code to compute basic_block_drops_in.
4860 After calling make_edges, mark blocks reached by current block live.
4861 Update test for unreachable live blocks.
4862 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
4864 Simplify to call add_edge_to_label when a LABEL_REF is found.
4865 (make_edges): Simplify to call add_edge_to_label instead of
4866 mark_label_ref most of the time.
4867 Compute here whether control drops into the next block.
4868 (delete_unreachable_blocks): Return void. All callers changed.
4869 Delete unreachable blocks in reverse order.
4870 After deleting all unreachable blocks, renumber the remaining ones
4871 and update n_basic_blocks.
4872 (delete_block): Speed up deletion a bit.
4873 Don't set basic_block_drops_in for deleted blocks.
4874 (free_basic_block_vars): Don't free basic_block_drops_in.
4875 (life_analysis_1): Update to use new edge representation.
4876 (dump_flow_info): Delete code to print basic block info; call
4877 dump_bb_data instead.
4878 (compute_preds_succs): Delete code to recompute basic_block_drops_in
4879 and uid_block_number.
4880 Simply copy the previously computed cfg.
4881 (dump_bb_data): New arg LIVE_INFO. All callers changed.
4882 Print register lifetime information if LIVE_INFO is nonzero.
4883 * basic-block.h (dump_bb_data): Adjust prototype.
4884 * gcse.c (gcse_main): Update call to dump_bb_data.
4885 * rtl.h (free_bb_memory): Declare.
4886 * toplev.c (rest_of_compilation): Call free_bb_memory.
4888 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
4889 (update_eliminable_offsets): Don't compute it.
4890 (set_initial_elim_offsets): Don't initialize it.
4891 Break out some code into set_initial_label_offsets so the rest of
4892 this function can be called from reload_as_needed.
4893 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
4894 ELIMINABLE_REGS isn't.
4895 (set_initial_label_offsets): New function, broken out of
4896 set_initial_elim_offsets.
4897 (set_offsets_for_label): New function, broken out of set_label_offsets
4898 and reload_as_needed.
4899 (reload): Call the two new functions.
4900 (reload_as_needed): Call set_initial_elim_offsets instead of
4901 duplicating the code. Likewise for set_offsets_for_label.
4903 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
4904 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
4905 any hard reg, reg_reloaded_dead contains valid data.
4907 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
4909 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
4910 "stdcall" and "cdecl" attributes.
4912 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
4914 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
4915 handle deleted no-op moves of hard registers.
4916 * haifa-sched.c (update_flow_info): Likewise.
4918 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
4920 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
4921 of the sequences to reload the HILO register which do not actually
4924 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
4926 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
4928 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
4930 * except.c (emit_eh_context): Make the EH context register stay alive
4931 at -O0 so stupid.c doesn't get confused.
4933 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4935 * emit-rtl.c (try_split): Do not try to split a BARRIER.
4937 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
4938 Jeffrey A Law (law@cygnus.com)
4940 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
4941 (zero_extendsidi2): Use # in output template and handle completely by
4943 (zero_extend splitters): New define_splits.
4944 (ashiftrt_32): New pattern.
4946 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
4948 * tree.c (append_random_chars): New fn.
4949 (get_file_function_name_long): Use it.
4951 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
4953 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
4954 (LIBCPP_OBJS): New. Add cppulp.o.
4955 (cppmain, fix-header): Depend on and use libcpp.a.
4956 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
4957 of the individual object files.
4958 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
4961 * cccp.c (user_label_prefix): New.
4962 (main): Set it off -f*leading-underscore.
4963 (special_symbol): Use it.
4964 * cpplib.c (special_symbol): Likewise.
4965 (cpp_handle_option): Handle -f*leading-underscore.
4966 * cppulp.c: New file.
4968 * output.h (user_label_prefix): Declare it.
4969 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
4970 * toplev.c (f_options, main): Handle -f*leading-underscore.
4972 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
4973 referencing USER_LABEL_PREFIX directly.
4974 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
4975 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
4976 * final.c (asm_fprintf): Use user_label_prefix instead.
4977 * arm/thumb.c (thumb_print_operand): Likewise.
4979 * gcc.c (default_compilers): Pass -f*leading-underscore on to
4980 cpp wherever appropriate.
4982 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
4984 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
4985 specific compiler switches.
4987 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
4989 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
4992 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4994 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
4995 structure which has exactly the members provided by EXTRA_SPECS.
4996 Xmalloc() the real `extra_specs', and initialize it from this
4997 intermediate structure.
4999 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
5001 * mips.h (EXTRA_SPECS): Likewise.
5003 * sparc.h (EXTRA_SPECS): Likewise.
5005 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
5007 * function.c (purge_addressof_1): Instead of aborting when a
5008 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
5009 work just put the ADDRESSOF on stack. Otherwise remember all such
5010 successfull replacements, so that exactly the same replacements
5011 can be made on the REG_NOTEs. Remove the special case for CALL
5013 (purge_addressof_replacements): New variable.
5014 (purge_addressof): Clear it at end.
5016 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
5018 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
5019 (lang_init): Call check_newline always.
5020 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
5021 cpp_start_read, set yy_cur and yy_lim to read from
5022 parse_in.token_buffer, so that we'll see the first #line
5024 * cpplib.c (cpp_start_read): finclude the main input file
5025 before processing -include/-imacros. Process -imacros and
5026 -include separately, and handle -include by stacking a
5027 buffer for the file in question as if it'd been #included.
5028 * toplev.c (documented_lang_options) Recognize -H when
5031 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
5033 * cpplib.c: Merge do_once into do_pragma. Break file handling
5034 code out of do_include.
5035 Move append_include_chain, deps_output,
5036 file_cleanup, redundant_include_p, import_hash,
5037 lookup_import, add_import, read_filename_string, read_name_map,
5038 open_include_file, finclude, safe_read to cppfiles.c.
5039 Move prototypes for deps_output, append_include_chain,
5040 finclude to cpplib.h. Move definition of struct
5041 file_name_list there also.
5043 * cppfiles.c: New file. Contains all the above functions
5044 broken out of cpplib.c; also hack_vms_include_specification
5045 from cccp.c and find_include_file, a new function broken out of
5048 * Makefile.in (cppmain): Depend on cppfiles.o.
5049 (fix-header): Likewise.
5050 (cppfiles.o): New target.
5051 * configure.in (--enable-c-cpplib): Add cppfiles.o to
5052 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
5054 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
5056 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
5057 if pending_types is non-zero.
5058 (dwarfout_finish): Verify pending_types is zero before finishing.
5060 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
5062 * expr.c (convert_move): Use shifts to perform the move if a
5063 suitable extend pattern cannot be found. Code written by
5064 Richard Henderson <rth@cygnus.com>.
5066 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5068 * regclass.c (renumber, regno_allocated): New static variables, moved
5069 out of allocate_reg_info.
5070 (allocate_reg_info): Move these two variables outside the function.
5071 Move code to free memory into new function free_reg_info.
5072 (free_reg_info): New function, broken out of allocate_reg_info.
5073 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
5074 * rtl.h (allocate_reg_info): Don't declare.
5075 (free_reg_info): Declare.
5077 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
5079 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
5081 * toplev.c (compile_file): Temporarily revert last change.
5083 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
5085 * c-typeck.c (convert_for_assignment): Parenthesize.
5087 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
5089 * reload1.c (delete_output_reload): Avoid ambigous else.
5091 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
5093 * toplev.c (compile_file): Call allocate_reg_info to free register
5095 * rtl.h (allocate_reg_info): Declare.
5097 * PROJECTS: Remove entry for local spilling.
5099 * final.c (cleanup_subreg_operands): New function.
5100 (final_scan_insn): Use it.
5101 (alter_subreg): Clear the "used" field when we turn a SUBREG into
5103 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
5104 operands when reload has finished.
5105 * reload.h (cleanup_subreg_operands): Declare..
5106 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
5107 reload. Handled in reload itself.
5109 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5111 * reload1.c (verify_initial_offsets): New function.
5112 (reload): Call it after reload_as_needed. Also verify that the frame
5113 size stays constant during reload_as_needed.
5114 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
5116 * reload.h (struct insn_chain): Add need_operand_change element.
5117 * reload1.c (new_insn_chain): Clear it.
5118 (calculate_needs_all_insns): Set it; don't overload need_reload.
5119 (reload_as_needed): Use it.
5121 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
5122 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
5123 and reload_address_index_reg_class.
5124 (find_reloads_address_1): Likewise.
5125 * reload.h (reload_address_base_reg_class,
5126 reload_address_index_reg_class): Don't declare.
5127 * reload1.c (reg_old_renumber, pseudo_previous_regs,
5128 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
5129 (used_spill_regs): Now static.
5130 (reload_address_base_reg_class, reload_address_index_reg_class,
5131 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
5132 basic_block_needs, max_needs, group_size, group_mode, max_groups,
5133 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
5136 (init_reload): Delete code to compute base/index reg classes.
5137 (reload): Delete variable J.
5138 Delete code to manage basic_block_needs.
5139 Don't compute regs_explicitly_used.
5140 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
5141 pseudo_previous_regs.
5142 Initialize bad_spill_regs_global.
5143 Don't call order_regs_for_reload here.
5144 Don't initialize spill_reg_order and n_spills.
5145 Don't forbid explicitly used regs to be used for spill regs.
5146 Change main loop to infinite loop, with explicit break statements.
5147 Make SOMETHING_CHANGED variable local to that loop.
5148 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
5149 max_groups_insn, max_nongroups_insn, group_size, group_mode.
5150 Make sure spilled_speudos is cleared before calling spill_hard_reg or
5152 Don't call dump_needs.
5153 Delete code to reset potential_reload_regs.
5154 Delete code to terminate loop conditional on the global needs variables
5155 showing no further needs.
5156 (calculate_needs_all_insns): Return void. All callers changed.
5157 Initialize somehing_needs_elimination here, not in reload.
5158 Delete avoid_return_reg kludge.
5159 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
5160 All callers changed.
5161 Initialize the group_mode and group_size elements of the arg CHAIN.
5162 Delete code to manage basic_block_needs.
5163 Operate on elements of CHAIN instead of global variables.
5164 Delete avoid_return_reg kludge.
5165 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
5166 All callers changed.
5167 Operate on elements of CHAIN instead of global variables.
5168 Delete special SMALL_REGISTER_CLASSES code.
5169 Delete spill_failure code; now in new_spill_reg.
5170 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
5171 All callers changed.
5172 Operate on elements of CHAIN instead of global variables.
5173 (maybe_mark_pseudo_spilled): New static function.
5174 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
5175 All callers changed.
5176 Operate on elements of CHAIN instead of global variables.
5177 Call order_regs_for_reload here, not in reload.
5178 Initialize spill_reg_order and n_spills.
5179 Simplify test whether an asm insn is involved.
5180 Delete spill_failure code; now in new_spill_reg.
5181 Call maybe_mark_pseudo_spilled for everything marked as live in
5182 CHAIN. Merge CHAIN's used_spill_regs into the global variable
5184 (dump_needs): Take CHAIN arg. No longer static, to prevent the
5185 compiler from optimizing this function (now unused) away.
5186 Operate on elements of CHAIN instead of global variables.
5187 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
5189 Operate on elements of CHAIN instead of global variables.
5190 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
5191 take CHAIN arg. All callers changed.
5192 Operate on elements of CHAIN instead of global variables.
5193 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
5194 CHAIN, NONGROUP args. Return void. All callers changed.
5195 Verify caller isn't trying to spill a pseudo.
5196 Simplify test for illegal reg, just use bad_spill_regs.
5197 Generate better error messages.
5198 Operate on elements of CHAIN instead of global variables.
5199 Mark spilled register in CHAIN's used_spill_regs element.
5200 Don't call spill_hard_reg.
5201 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
5202 Mark spilled hard regs in bad_spill_regs_global.
5203 Mark affected pseudos in spilled_pseudos, but don't spill them.
5204 (ior_hard_reg_set): New static function.
5205 (finish_spills): Return int. All callers changed.
5206 Compute spill_reg_order, n_spills and spill_regs here. Also update
5207 regs_ever_live for regs used as spills.
5208 For every pseudo in spilled_pseudos, spill it and mark the previous
5209 hard reg it had in pseudo_previous_regs. Compute which hard regs
5210 arseudo): New static function.
5211 (order_regs_for_reload): Take CHAIN arg. All callers changed.
5212 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
5213 hard registers explicitly used across the current insn into the set.
5214 Compute hard_reg_n_uses taking only pseudos live across this insn
5216 Tweak sorting of potential_reload_regs.
5217 (compare_spill_regs): Delete function.
5218 (reload_as_needed): Don't sort the spill_regs array, it's computed
5219 in proper order in finish_spills.
5220 Delete avoid_return_reg kludge.
5221 Delete code to manage basic_block_needs.
5222 (allocate_reload_reg): Minor speed/readability tweaks.
5223 Operate on elements of CHAIN instead of global variables.
5224 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
5225 Delete avoid_return_reg kludge.
5226 Initialize reload_reg_used from CHAIN's used_spill_regs element.
5227 Delete unused label FAIL.
5228 (reload_combine): Replce reload_address_index_reg_class with
5230 Don't use used_spill_regs to determine information about lifetime of
5233 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
5235 * toplev.c (display_help): Ignore empty target specific
5236 options, and if -W is also specified on the command line then
5237 display undocumented options.
5239 * config/arm/arm.c: Updated with changes in devo sources.
5240 * config/arm/arm.h: Updated with changes in devo sources.
5241 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
5242 * config/arm/lib1thumb.asm: Add ELF support.
5244 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
5246 * collect2.c (aix64_flag): New variable.
5247 (main, case 'b'): Parse it.
5248 (GCC_CHECK_HDR): object magic number must match mode.
5249 (scan_prog_file): Only check for shared object if valid header.
5250 Print debugging if header/mode mismatch.
5252 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
5254 Added support for arm-elf-linux configuration, submitted by Philip
5255 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
5256 code developed by Catherine Moore <clm@cygnus.com>. The following
5259 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
5262 * configure: Regenerated.
5264 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
5265 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
5266 definitions conditional on their not having been already defined.
5268 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
5269 and .type directives, and add "(PLT)" qualification to function
5272 * config/arm/linux.h: Deleted. This file is now superceeded by
5273 either linux-elf.h or linux-aout.h.
5275 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
5276 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
5278 Move definitions from old linux.h file here.
5280 * config/arm/elf.h: New file. Generic ARM/ELF support.
5282 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
5284 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
5286 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
5287 using the 26bit APCS.
5289 * config/arm/unknown-elf.h: New file. Support for OS'es other
5290 than Linux with ELF.
5292 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
5295 * config/arm/coff.h: Include aout.h for basic assembler macros.
5296 Add support for -mstructure_size_boundary=<n> command line option.
5298 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
5299 command line option. Make macro definitions conditional on their
5300 not having been already defined.
5302 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
5303 command line option.
5306 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
5308 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
5309 has been changed to not include a newline. Use this macro instead.
5310 (output_enumeral_list, const_value_attribute, name_attribute,
5311 comp_dir_attribute, prototyped_attribute, producer_attribute,
5312 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
5313 dwarfout_file_scope_decl, generate_new_sfname_entry,
5314 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
5315 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
5317 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
5319 * combine.c (subst): Process the inputs to a parallel asm_operands
5322 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
5324 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
5326 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
5328 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
5330 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
5332 * version.c: Bump for snapshot.
5334 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
5336 * stmt.c (expand_fixup): Set fixup->before_jump to a
5337 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
5339 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5341 * Makefile.in (recog.o): Depend on toplev.h.
5342 (insn-emit.o): Depend on recog.h.
5343 (insn-peep.o): Depend on recog.h and insn-config.h.
5345 * combine.c (simplify_set): Remove unused variable `scratches'.
5347 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
5348 and `idx' in macro conditional controlling their use.
5350 * genemit.c (main): Make the generated output file include
5351 recog.h. Don't have it declare `insn_operand_constraint', since
5352 we get it from recog.h.
5354 * genpeep.c (main): Make the generated output file include
5355 insn-config.h and recog.h.
5357 * recog.c: Include toplev.h.
5358 (extract_insn): Remove unused variable `p'.
5360 * regclass.c (fix_register): Add missing braces around initializer
5362 (allocate_reg_info): Move variable `i' into the scope where it is
5363 used. Change its type to `size_t'.
5365 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5367 * reload.c (push_reload): When merging reloads, make sure
5368 that reload_in_reg and reload_in are from the same reload in
5371 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
5373 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
5374 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
5376 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
5378 * loop.c (loop_has_tablejump): New variable.
5379 (prescan_loop): Scan for it.
5380 (insert_bct): Replace explicit scan with use of it.
5381 * regclass.c (regclass): Restore loop variable j.
5382 (record_reg_classes): Deterine op_types modifiers and initialize
5383 classes[i] before matching constraints. Handle matching
5386 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
5388 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
5391 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5393 * mips.h (EXTRA_SPECS): Add missing initializers.
5395 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5397 * sparc.h (EXTRA_SPECS): Add missing initializers.
5398 (sparc_defer_case_vector): Provide a prototype.
5400 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
5401 comparing it to the result of a pointer subtraction.
5403 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5405 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
5406 the argument to (unsigned char).
5408 * alpha.h (EXTRA_SPECS): Add missing initializers.
5409 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
5412 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
5414 * flow.c (life_analysis_1): Enable "rescan" code after reload.
5415 (propagate_block): Delete dead code after reload.
5417 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
5418 back Oct 15, 1998 change.
5419 * haifa-sched.c (update_flow_info): Likewise.
5420 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
5422 * mn10200.md (truncated shift): Accept constant inputs too.
5424 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
5426 * machmode.h (mode_mask_array): No longer const.
5427 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
5429 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5431 * frame.c: Somewhat explain `FDE'.
5432 Suggested by Brendan Kehoe
5434 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
5436 * expr.c (pending_chain): Move up.
5437 (save_expr_status): Do save pending_chain.
5438 (restore_expr_status): And restore it.
5439 * function.h (struct function): Add pending_chain.
5441 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5443 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
5444 did not match the code.
5446 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5448 * regclass.c (regclass): Break out some code into new function
5449 scan_one_insn, and into regclass_init.
5450 (init_cost): New static variable, moved out of regclass.
5451 (regclass_init): Initialize it here, not in .
5452 (scan_one_insn): New static function, broken out of regclass.
5453 * recog.c (apply_change_group): Break out some code into new
5454 function insn_invalid_p.
5455 (insn_invalid_p): New static fn, broken out of apply_change_group.
5457 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
5459 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
5460 reg_reloaded_contents matches incremented pseudo.
5462 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
5464 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5466 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
5467 addressing modes with side effects. These are currently
5468 placeholders for the C4x target.
5470 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5472 * loop.c (express_from): Make sure that when generating a PLUS of
5473 a PLUS, any constant expression appears on the outermost PLUS.
5475 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
5477 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
5478 works if "$(srcdir)" != ".".
5480 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
5482 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
5483 existing SUBREG if we can, otherwise abort.
5485 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
5487 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
5488 `restrict' is applied to a non-pointer variable.
5490 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
5492 * invoke.texi: Document -flang-isoc9x.
5494 * Makefile.in (OBJS): Add splay-tree.o.
5495 (c-common.o): Depend on rtl.h.
5496 (splay-tree.o): List dependencies and provide build rule.
5498 * rtl.h (record_alias_subset): New function.
5499 * alias.c: Include splay-tree.h.
5500 (alias_set_entry): New type.
5501 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
5502 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
5503 (mems_in_disjoin_alias_sets_p): New function.
5504 (alias_set_compare): Likewise.
5505 (insert_subset_children): Likewise.
5506 (get_alias_set_entry): Likewise.
5508 * tree.h (TYPE_RESTRICT): New macro.
5509 (TYPE_UNQUALIFIED): New manifest constant.
5510 (TYPE_QUAL_CONST): Likewise
5511 (TYPE_QUAL_VOLATILE): Likewise.
5512 (TYPE_QUAL_RESTRICT): Likewise.
5513 (tree_type): Add restrict_flag. Reduce count of free bits.
5514 (DECL_POINTER_ALIAS_SET): New macro.
5515 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
5516 (tree_decl): Add pointer_alias_set.
5517 (build_qualified_type): New function.
5518 (build_type_variant): Define in terms of build_qualified_type.
5519 * tree.c (set_type_quals): New function.
5520 (make_node): Initializae DECL_POINTER_ALIAS_SET.
5521 (build_type_attribute_variant): Use build_qualified_type and
5523 (build_type_variant): Rename, and modify, to become...
5524 (build_qualified_type): New function.
5525 (build_complex_type): Use set_type_quals.
5527 * c-tree.h (C_TYPE_OBJECT_P): New macro.
5528 (C_TYPE_FUNCTION_P): Likewise.
5529 (C_TYPE_INCOMPLETE_P): Likewise.
5530 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
5531 (c_apply_type_quals_to_decl): New function.
5532 (c_build_qualified_type): New function.
5533 (c_build_type_variant): Define in terms of c_build_qualified_type.
5534 (flag_isoc9x): Declare.
5535 * c-typeck.c (qualify_type): Use c_build_qualified_type.
5536 (common_type): Change to use TYPE_QUALS.
5537 (comptypes): Likewise.
5538 (convert_for_assignment): Likewise.
5539 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
5540 * c-decl.c (flag_isoc9x): Define.
5541 (c_decode_option): Handle -flang-isoc9x.
5542 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
5543 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
5544 * c-lex.c (init_lex): Deal with restrict.
5545 (init_lex): Don't treat restrict as a reserved word in
5546 -traditional mode, or without -flang-isoc9x.
5547 * c-lex.h (rid): Add RID_RESTRICT.
5548 * c-parse.gperf (restrict, __restrict, __restrict__): Make
5549 equivalent to RID_RESTRICT.
5550 * c-parse.in (TYPE_QUAL): Update comment.
5551 * c-common.c: Include rtl.h.
5552 (c_find_base_decl): New function.
5553 (c_build_type_variant): Rename, and modify, to become ...
5554 (c_build_qualified_type): New function.
5555 (c_apply_type_quals_to_decl): Likewise.
5556 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
5557 a particular alias set for the reference.
5558 * toplev.c (documented_lang_options): Add -flang-isoc9x.
5560 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
5562 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
5563 command line switches.
5565 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
5567 * reload.c (loc_mentioned_in_p): Add missing braces to bind
5570 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
5572 * gcc.c (option_map): Added --classpath and --CLASSPATH.
5574 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
5576 * regclass.c (fix_register): Add error message.
5577 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
5580 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5582 * c-decl.c (warn_missing_noreturn): New global variable.
5583 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
5584 (finish_function): Implement missing noreturn warning.
5586 * c-tree.h (warn_missing_noreturn): Declare extern.
5588 * invoke.texi: Document new flags.
5590 * toplev.c (documented_lang_options): Add description.
5592 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5594 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
5595 loop optimization stable for the C4x.
5596 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
5597 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
5598 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
5600 (c4x_address_conflict): Be more paranoid when packing a volatile
5601 memref in a parallel load/store.
5603 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5605 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
5606 repeat_block_filler): Deleted.
5607 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
5608 Condition code not set if destination register from 'c' class.
5609 (*subbqi3_carry_clobber): Fix typo.
5611 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5613 * reorg.c (steal_delay_list_from_target) Check for insns that
5614 modify the condition codes and effect the direction of the jump
5617 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
5619 * function.c (purge_addressof_1): Replace call to
5620 emit_insns_before() with emit_insn_before().
5622 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
5624 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
5626 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5628 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
5630 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
5632 * gcse.c (compute_hash_table): Correctly identify hard regs which are
5633 clobbered across calls.
5635 * loop.c (scan_loop): Be more selective about what invariants are
5636 moved out of a loop.
5638 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
5640 * version.c: Bump for snapshot.
5642 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
5644 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
5645 static eh_context structure.
5647 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5649 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
5651 (try_combine): Don't update max_scratch.
5652 * flow.c (max_scratch, num_scratch): Delete variables.
5653 (life_analysis_1): Don't initialize max_scratch.
5654 (propagate_block): Don't update max_scratch.
5655 (mark_set_1): Don't increment num_scratch.
5656 * regs.h (max_scratch): Delete declaration.
5658 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
5660 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
5661 is nonzero. This is temporary!
5663 * sched.c (update_flow_info): Handle death notes made invalid by
5664 instruction splitting. Partially reverts Oct 15, 1998 patch.
5665 * haifa-sched.c (update_flow_info): Likewise.
5667 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
5669 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
5670 if it has a nonzero DECL_INITIAL.
5672 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5674 * Makefile.in (flow.o): Depend on recog.h.
5676 * cpplib.h (directive_table): Add missing initializiers.
5677 (finclude): Change type of variable `bsize' to size_t.
5679 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
5681 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
5683 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
5684 `int' when comparing against one.
5685 (cpp_file_line_for_message): Mark parameter `pfile' with
5687 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
5689 * flow.c: Include recog.h.
5690 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
5692 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
5693 `f' with ATTRIBUTE_UNUSED.
5694 (reposition_prologue_and_epilogue_notes): Likewise.
5696 * genopinit.c (gen_insn): Cast argument of ctype functions to
5699 * haifa-sched.c: Include recog.h.
5700 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
5701 comparing against one.
5703 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
5705 * mips-tfile.c (parse_end): Cast the argument of ctype function to
5707 (parse_ent): Likewise.
5708 (parse_input): Likewise.
5710 * optabs.c (init_libfuncs): Likewise.
5712 * protoize.c (find_rightmost_formals_list): Likewise.
5714 * recog.h (const_double_operand): Fix typo in prototype.
5716 * tlink.c (scan_linker_output): Cast the argument of ctype
5717 function to `unsigned char'.
5719 * toplev.c (check_lang_option): Cast the result of `strlen' to
5720 `int' when comparing against one.
5722 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
5724 * gcse.c (dump_cuid_table): Correct typo.
5726 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
5728 * toplev.c (display_help): Prepend '-m' to target specific
5730 (check_lang_option): Ignore text after end of first word of a
5731 language specific option.
5733 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5735 * reload1.c (reg_used_by_pseudo): New static variable.
5736 (choose_reload_regs): Initialize it.
5737 Use it instead of testing spill_reg_order to determine whether a
5738 pseudo is live in a hard register across the current insn.
5739 Fix a typo in a reference to reload_reg_rtx.
5741 * flow.c (propagate_block): Replace code that computes and uses
5742 regs_sometimes_live with simpler code that just walks the set of
5743 currently live registers.
5745 * Makefile.in (insn-extract.o): Fix dependencies.
5746 * genextract.c (main): Generate includes for insn-config.h and
5748 Delete generation of declarations which are now in recog.h.
5749 * genrecog.c (main): Delete generation of definitions which are
5751 * local-alloc.c (block_alloc): Use extract_insn and the variables
5752 it sets up instead of looking up values by insn_code.
5753 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
5754 recog_dup_num): Define here instead of generating the definition in
5756 (recog_n_operands, recog_n_dups, recog_n_alternatives,
5757 recog_operand_mode, recog_constraints, recog_operand_address_p):
5759 (extract_insn): New function.
5760 * recog.h (extract_insn): Declare function.
5761 (which_alternative, recog_n_operands, recog_n_dups,
5762 recog_n_alternatives, recog_operand_mode, recog_constraints,
5763 recog_operand_address_p): Declare variables.
5764 * regclass.c (n_occurrences): New static function.
5765 * reload.c (n_occurrences): Delete function.
5766 (find_reloads): Use extract_insn.
5767 * reload.h (n_occurrences): Delete declaration.
5769 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
5771 * reload1.c (reload_as_needed): Fix test for when to call
5772 update_eliminable_offsets.
5774 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5776 Fix consistency problems with reg_equiv_{mem,address};
5777 Improve reload inheritance;
5779 * reload.c (reload_out_reg): New variable.
5780 (loc_mentioned_in_p, remove_address_replacements): New functions.
5781 (remove_replacements): Deleted.
5782 (push_reload): Set reload_out_reg[i].
5783 When merging, also set reload_{in,out}_reg[i], and remove
5784 duplicate address reloads.
5785 (combine_reloads): Copy reload_out_reg[i].
5786 (find_reloads): Do make_memloc substitution also when
5787 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
5789 Include *recog_operand_loc in commutativity operand changes.
5790 Generate optional output reloads.
5791 Delete reference to n_memlocs. Don't set *recog_operand_loc before
5792 processing operands. Call make_memloc in reg_equiv_address code.
5793 Set *recog_operand_loc only after processing operands, and only
5794 if replace is true. Return a value.
5795 When changing address reload types for operands that didn't get
5796 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
5797 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
5798 Don't emit USEs for pseudo SUBREGs when not replacing.
5799 (find_reloads_address): Do make_memloc substitution also when
5800 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
5802 (find_reloads_toplev): Likewise.
5803 Call make_memloc in reg_equiv_address code.
5804 (debug_reload_to_stream): Add code to output reload_out_reg.
5805 (make_memloc): Delete local variable i, ifdefed out code, and
5806 references to memlocs and n_memlocs.
5807 (memlocs, n_memlocs): Delete.
5808 (push_secondary_reload): Clear reload_out_reg.
5809 (find_reloads_address_1): Provide memrefloc argument to all calls
5810 to find_reloads_address.
5811 In AUTO_INC code, handle non-directly addressable equivalences properly.
5812 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
5813 (find_reloads): Add return type.
5814 (remove_address_replacements, deallocate_reload_reg): Declare.
5815 * reload1.c (num_not_at_initial_offset): No longer static.
5816 (delete_address_reloads, delete_address_reloads_1): Likewise.
5817 (deallocate_reload_reg): New function.
5818 (spill_reg_stored_to): New array.
5819 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
5820 (eliminate_regs_in_insn): Move assignments of previous_offset and
5821 max_offset fields, and recalculation of num_not_at_initial_offset
5822 into new static function:
5823 (update_eliminable_offsets) .
5824 (reload_as_needed): Call update_eliminable_offsetss after calling
5826 Call forget_old_reloads_1 with contents of reloaded auto_inc
5827 expressions if the actual addressing can't be changed to match the
5829 (choose_reload_regs): For inheritance, replace
5830 reload_reg_free_before_p test with reload_reg_used_at_all test, and
5831 remove stand-alone reload_reg_used_at_all test.
5832 Use reload_out_reg to determine which reload regs have output reloads.
5833 Treat reload_override_in more similar to inherited reloads.
5834 Handle (subreg (reg... for inheritance.
5835 For flag_expensive_optimizations, add an extra pass to remove
5836 unnecessary reloads from known working inheritance.
5837 Delete obsolete code for pseudos replaced with MEMs.
5838 Handle inheritance from auto_inc expressions.
5839 (emit_reload_insns): If reload_in is a MEM, set OLD to
5841 Don't reload directly from oldequiv; if it's a pseudo with a
5842 stack slot, use reload_in[j].
5843 Check that reload_in_reg[j] is a MEM before replacing reload_in
5844 from reg_reloaded_contents.
5845 Include non-spill registers in reload inheritance processing.
5846 Also try to use reload_out_reg to set spill_reg_store /
5847 reg_last_reload_reg.
5848 In code to set new_spill_reg_store, use single_set to find out if
5849 there is a single set.
5850 Add code that allows to delete optional output reloads.
5851 Add code to allow deletion of output reloads that use no spill reg.
5852 At the end, set reload_override_in to oldequiv.
5853 Also call delete_output_reload if reload_out_reg is equal to old
5855 Add code to call delete_output_reload for stores with no matching load.
5856 Set / use spill_reg_stored_to.
5857 Handle case where secondary output reload uses a temporary, but
5858 actual store isn't found.
5859 When looking for a store of a value not loaded in order to call
5860 delete_output_reload, count_occurences should return 0 for no
5861 loads; but discount inherited input reloadill_reg_stored_to.
5862 Do checks for extra uses of REG. Changed all
5864 Use delete_address_reloads.
5865 (reload): Take return value of find_reloads into account.
5866 If a no-op set needs more than one reload, delete it.
5867 (reload_reg_free_before_p): RELOAD_FOR_INPUT
5868 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
5869 for the same operand.
5870 (clear_reload_reg_in_use): Check for other reloads that keep a
5872 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
5873 RELOAD_FOR_OPADDR_ADDR.
5874 Take into account when an address address reload is only needed
5875 for the address reload we are considering.
5876 (count_occurrences): Use rtx_equal_p for MEMs.
5877 (inc_for_reload): Return instruction that stores into RELOADREG.
5878 New argument two, IN, and rtx. Changed all callers.
5879 (calculate_needs_all_insns, reload_as_needed):
5880 Don't clear after_call for a CLOBBER.
5881 Keep track of how many hard registers need to be copied from
5882 after_call, and don't clear after_call before we have seen
5883 that much copies, or we see a different instruction.
5885 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
5887 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
5888 after reload has completed.
5890 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
5892 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
5893 a macro name and the next token with a single blank if that whitespace
5894 is in a macro buffer and the next token is not '('.
5896 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
5898 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
5900 (skip_if_group): Ditto.
5901 (skip_to_end_of_comment): Ditto.
5903 (discard_comments): Ditto.
5904 (change_newlines): Ditto.
5906 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
5908 * c-lex.c (yylex): Fix unaligned access of wchar_t.
5910 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
5912 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
5913 (TARGET_OPTIONS): Add --help documentation.
5915 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5917 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
5919 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
5921 * fixinc/* Moved in from ../contrib directory in preparation
5922 for integrating it into the normal build process. In particular,
5923 fixinc/Makefile.in must be config-ed into the build directory
5924 as fixinc/Makefile. Proposed patches to ./Makefile.in and
5925 ./configure.in will be "in the mail" momentarily.
5927 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
5929 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
5930 accidently walk into the free list. Comment how that can happen.
5931 (invalidate): Fix indentation.
5933 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5934 Jeffrey A Law (law@cygnus.com)
5936 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
5937 reload. Never perform rescans of the insn chain after reload.
5938 (propagate_block): Do not delete insn or create new autoinc addressing
5941 * jump.c (jump_optimize): Unconditionally use the code that was
5942 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
5943 * reload1.c (reload): When reloading is finished, delete all
5944 REG_DEAD and REG_UNUSED notes.
5945 (emit_reload_insns): Delete all code that was conditional on
5946 PRESERVE_DEATH_INFO_REGNO_P.
5947 (no_longer_dead_regs): Delete variable.
5948 (reload_cse_delete_death_notes): Delete function.
5949 (reload_cse_no_longer_dead): Delete function.
5950 (reload_cse_regs_1): Delete all code to handle deletion of death
5952 (reload_cse_noop_set_p): Likewise.
5953 (reload_cse_simplify_set): Likewise.
5954 (reload_cse_simplify_operands): Likewise.
5955 (reload_cse_move2add): Likewise.
5956 * reorg.c (used_spill_regs): Delete declaration.
5957 (max_label_num_after_reload): Delete declaration.
5958 (find_dead_or_set_registers): Don't assume that spill regs are
5959 dead at a CODE_LABEL.
5960 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
5962 * sched.c (sched_analyze_insn): Likewise.
5963 (update_flow_info): Likewise.
5964 * haifa-sched.c (sched_analyze_insn): Likewise.
5965 (update_flow_info): Likewise.
5966 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
5967 * toplev.c (max_label_num_after_reload): Delete variable.
5968 (rest_of_compilation): Don't set max_label_num_after_reload.
5969 Call life_analysis after reload_cse_regs if optimizing.
5970 * config/gmicro/gmicro.h: Delete comment referring to
5971 PRESERVE_DEATH_INFO_REGNO_P.
5972 * config/i386/i386.h: Likewise.
5973 * config/m88k/m88k.h: Likewise.
5974 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
5975 * config/sh/sh.h: Likewise.
5977 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
5979 * loop.c (strength_reduce): Restore marking bct_p as
5981 * rs6000.c (optimization_options): Change #ifdef HAIFA to
5982 HAVE_decrement_and_branch_on_count.
5983 (small_data_operand): Remove TARGET_ELF condition for marking
5984 parameters ATTRIBUTE_UNUSED.
5986 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
5988 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
5989 (SELECT_SECTION): Resync with svr4.h.
5991 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
5993 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
5996 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
5998 * c-pragma.c (handle_pragma_token): Test for null tree before
5999 dereferencing TREE_CODE.
6001 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6003 * config/c4x/c4x.c: Convert to use GEN_INT.
6004 (c4x_parallel_process): Rework to handle new repeat loop structure.
6006 * config/c4x/c4x.md: Convert to use GEN_INT.
6007 (rptb_end): Convert to use GE test. Replace uses with clobbers.
6008 (decrement_and_branch_on_count): Likewise.
6010 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
6011 loop.c has the desired functionality.
6012 (rc_reg_operand): New prototype.
6014 * config/c4x/t-c4x: Can now build all front ends.
6016 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
6018 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
6020 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
6022 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
6023 * config/t-rtems: Do not install assert.h -- use newlib's.
6025 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6027 * combine.c (combine_instructions): When finished, call init_recog.
6028 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
6030 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
6032 * toplev.c: If flag_syntax_only, don't open or write assembler file.
6034 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6036 * cppalloc.c (memory_full): Mark function prototype with
6039 * demangle.h (collect_exit): Likewise.
6041 * fix-header.c (v_fatal, fatal): Likewise.
6043 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
6046 * gcov.c (print_usage): Likewise.
6048 * genattr.c (fatal, fancy_abort): Likewise.
6050 * genattrtab.c (fatal, fancy_abort): Likewise.
6052 * gencodes.c (fatal, fancy_abort): Likewise.
6054 * genconfig.c (fatal, fancy_abort): Likewise.
6056 * genemit.c (fatal, fancy_abort): Likewise.
6058 * genextract.c (fatal, fancy_abort): Likewise.
6060 * genflags.c (fatal, fancy_abort): Likewise.
6062 * genopinit.c (fatal, fancy_abort): Likewise.
6064 * genoutput.c (fatal, fancy_abort): Likewise.
6066 * genpeep.c (fatal, fancy_abort): Likewise.
6068 * genrecog.c (fatal, fancy_abort): Likewise.
6070 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
6071 __sjpopnthrow, __throw): Likewise.
6073 * objc/objc-act.c (objc_fatal): Likewise.
6075 * protoize.c (usage, aux_info_corrupted,
6076 declare_source_confusing): Likewise.
6078 * rtl.c (dump_and_abort): Likewise.
6080 * rtl.h (sets_cc0_p): Likewise.
6082 * toplev.c (float_signal, pipe_closed): Likewise.
6084 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
6086 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
6087 when generating the decision tree for the general case.
6089 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
6090 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
6092 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6094 * Makefile.in (sched.o): Depend on recog.h.
6096 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
6097 (unsigned) when comparing against one.
6098 (find_base_value): Likewise.
6099 (record_base_value): Cast variable `regno' to (unsigned) when
6100 comparing against one. Cast the result of REGNO() macro to
6101 (unsigned) when comparing against one.
6102 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
6104 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
6105 variable where an unsigned index is needed.
6107 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
6108 before comparing against one.
6110 * collect2.c: Add prototypes for functions `error', `fatal' and
6111 `fatal_perror'. Make these functions take variable arguments
6112 instead of faking it with a fixed number of args.
6113 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
6116 * combine.c (can_combine_p): Mark parameter `pred' with
6118 (find_split_point): Cast variable `src' to (unsigned
6119 HOST_WIDE_INT) when comparing against one.
6120 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
6121 (simplify_logical): Likewise.
6122 (force_to_mode): Cast result of INTVAL() macro to (unsigned
6123 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
6124 HOST_WIDE_INT) in shift.
6125 (simplify_and_const_int): Cast result of INTVAL() macro to
6126 `unsigned HOST_WIDE_INT' when comparing against one.
6127 (merge_outer_ops): Cast variable const0 to `unsigned
6128 HOST_WIDE_INT' when comparing against the result of
6129 GET_MODE_MASK() macro.
6130 (simplify_comparison): Likewise for variable `c0'. Cast variable
6131 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
6132 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
6133 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
6134 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
6135 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
6136 comparing against one.
6137 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
6139 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
6140 macro to `unsigned HOST_WIDE_INT' when comparing against one.
6141 (output_block_move): Cast `sizeof' expression to (int) when
6142 comparing against one.
6143 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
6145 (save_restore_insns): Cast `base_offset' to `long' to match format
6146 specifier in fprintf.
6148 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
6149 to `enum machine_mode'.
6151 * flow.c (life_analysis_1): Remove unused variable `insn'.
6153 * gcc.c (translate_options): Move variables `j' and `k' into the
6154 scope in which they are used. Change their types to `size_t'.
6155 (set_spec): Cast the argument of ctype macro to `unsigned char'.
6156 (read_specs): Likewise.
6157 (process_command): Cast `sizeof' to (int) when comparing against one.
6158 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
6159 (handle_braces): Cast both sides of `==' expression to `long' to
6160 ensure sign matching.
6161 (main): Cast variable `i' to `int' when comparing against one.
6163 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
6164 int to size_t. Cast variable `i' to size_t when comparing against
6167 * genattrtab.c (convert_set_attr_alternative): Remove unused
6168 parameter `insn_code'. All callers changed.
6169 (convert_set_attr): Likewise.
6171 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
6172 size_t when comparing against one. Likewise for variable `len'.
6174 * global.c (global_alloc): Cast variable `max_regno' to size_t
6175 when comparing against one. Likewise for variable `max_allocno'.
6177 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
6179 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
6180 `set' with ATTRIBUTE_UNUSED.
6181 (find_free_reg): Cast `sizeof' expression to (int) when comparing
6184 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
6185 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
6186 (get_condition): Cast variable `const_val' to `unsigned
6187 HOST_WIDE_INT' when comparing against one. Cast unsigned
6188 expression to HOST_WIDE_INT when comparing against one.
6189 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
6190 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
6191 `unsigned' when comparing against one.
6193 * protoize.c (is_id_char): Change type of parameter `ch' to
6195 (munge_compile_params): Cast argument of ctype macro to (const
6197 (process_aux_info_file): Cast variable `aux_info_size' to int when
6198 comparing against one.
6199 (forward_to_next_token_char): Cast argument of ctype macro to
6200 `const unsigned char'.
6201 (edit_formals_lists): Likewise.
6202 (find_rightmost_formals_list): Likewise.
6203 (add_local_decl): Likewise.
6204 (add_global_decls): Likewise.
6205 (edit_fn_definition): Likewise.
6206 (do_cleaning): Likewise.
6207 (scan_for_missed_items): Likewise.
6208 (edit_file): Cast variable `orig_size' to (int) when comparing
6210 (main): Cast argument of ctype macro to `const unsigned char'.
6212 * recog.c (const_int_operand): Mark parameter `mode' with
6215 * regclass.c (record_reg_classes): Change type of variable `c' to
6216 `unsigned char'. Cast `char' array index to `unsigned char'.
6218 * reload.c (push_secondary_reload): Cast argument to
6219 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
6221 * reload1.c (calculate_needs): Cast `char' array index to
6223 (set_label_offsets): Change type of variable `i' to unsigned int.
6224 Cast result of XVECLEN() macro to unsigned when comparing against
6226 (mark_not_eliminable): Change type of variable `i' to unsigned.
6227 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
6228 when comparing against one.
6229 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
6230 comparing against one.
6231 (choose_reload_regs): Hide unused label `fail'.
6232 (reload_cse_simplify_operands): Cast `char' array index to
6234 (reload_combine_note_store): Mark parameter `set' with
6235 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
6237 (reload_cse_move2add): Remove unused variable `src2'.
6239 * sched.c: Include recog.h.
6240 (sched_note_set): Remove unused parameter `b'. All callers
6242 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
6243 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
6244 when comparing against one.
6246 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
6247 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
6248 comparing against one.
6250 * unroll.c (precondition_loop_p): Remove unused parameter
6251 `loop_end'. All callers changed.
6253 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6255 * reload1.c (maybe_fix_stack_asms): New static function.
6258 * reload.h (compute_use_by_pseudos): Declare.
6260 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
6261 (something_needs_reloads): Delete variable.
6262 (finish_spills): New function.
6263 (compute_use_by_pseudos): New function.
6265 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
6266 Use the reload_insn_chain instead of walking the rtl directly.
6268 (reload): Allocate and free spilled_pseudos.
6269 Ensure that all calls of spill_hard_reg are followed by a call to
6271 Use the insns_need_reload list instead of something_needs_reloads
6272 to find out if reload_as_needed must be called.
6273 Clear unused_insn_chains at the end.
6275 (calculate_needs_all_insns): Lose FIRST parameter. All callers
6277 Delete code to keep track of current basic block.
6278 Walk reload_insn_chain instead of the rtl structure. Build the
6279 insns_need_reload chain.
6280 Remember which insns need reloading/elimination by setting the
6281 appropriate fields in struct insn_chain, not by putting modes on the
6284 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
6285 arg INSN. All callers changed.
6286 Delete declaration of struct needs.
6287 Don't set something_needs_reloads.
6288 Record insn needs in the CHAIN argument.
6290 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
6292 (reload_as_needed): Lose FIRST arg. All callers changed.
6293 Walk the reload_insn_chain instead of the rtx structure.
6294 Delete code to keep track of current basic block.
6295 Rename one of the NEXT variables to OLD_NEXT.
6297 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
6299 (choose_reload_regs): Likewise.
6301 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
6304 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
6305 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
6306 (hard_regs_live, hard_regs_need_restore): Delete variables.
6307 (n_regs_saved): Now static.
6308 (referenced_regs, this_insn_sets): New variables.
6310 (setup_save_areas): Restructure the code a bit.
6312 (restore_referenced_regs): Delete function.
6313 (mark_referenced_regs): New function, similar to the old
6314 restore_referenced_regs, but mark registers in referenced_regs.
6316 (clear_reg_live): Delete function.
6317 (mark_set_regs): Renamed from set_reg_live. All callers changed.
6318 Only mark registers in this_insn_sets.
6320 (save_call_clobbered_regs): Rework this function to walk the
6321 reload_insn_chain instead of using the list of instructions directly.
6322 Delete code to keep track of register lives, compute live regs on the
6323 fly from information in the chain.
6324 Instead of calling restore_referenced_regs, use mark_referenced_regs,
6325 then walk the set it computes and call insert_restore as appropriate.
6327 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
6329 Restructure the code a bit. Test hard_regs_saved instead of
6330 hard_regs_need_restore.
6331 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
6332 args. All callers changed.
6333 Restructure the code a bit. Use TO_SAVE to determine which regs to
6334 save instead of more complicated test.
6335 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
6337 Create a new insn_chain structure for the new insn and place it
6340 * rtl.texi: Update documentation to reflect that reload no longer
6341 puts modes on the insns.
6343 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
6345 * function.c (purge_addressof_1): Force the first argument of a
6346 CALL insn to memory.
6348 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
6350 * rtl.h: Delete duplicate prototypes. Add some missing
6352 * rtlanal.c: (for_each_rtx): Formatting tweak.
6354 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6356 * real.c (emdnorm and etoasc): Disable round to even for c4x target
6357 to be compatible with TI compiler.
6359 * Makefile.in (USER_H): Add va-c4x.h to definition.
6361 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
6363 * function.c (purge_addressof_1): Fix typo in inequality: do
6364 bitfield optimization for equal mode sizes.
6365 * expmed.c (store_bit_field): Don't take subregs of subregs in
6366 the movstrict case. Tidy a potential problem in the multi-word case.
6367 (extract_bit_field): Likewise.
6369 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6371 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
6373 Compute max_uid_for_flow by calling get_max_uid after the scan.
6374 (find_basic_blocks_1): Don't emit NOPs here.
6376 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
6378 * alias.c (base_alias_check): Accept new args for the modes of the
6379 two references. Use them to determine if an AND can overlap. Update
6381 (memrefs_conflict_p): Assume sizes are aligned, and uses them
6382 to determine if an AND can overlap.
6384 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
6386 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
6387 check. Add comment to document problems with TARGET_SUN_FPA version
6389 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
6391 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6393 * Makefile.in (gencheck.o): Depend on gansidecl.h.
6395 * c-common.c (print_char_table): Add missing initializers.
6396 (scan_char_table): Likewise.
6397 (time_char_table): Likewise.
6399 * c-decl.c (c_decode_option): Mark parameter `argc' with
6401 (declare_parm_level): Mark parameter `definition_flag' with
6404 * c-lex.c (readescape): Use `(unsigned)1' in shift.
6405 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
6408 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
6410 (emit_call_1): Mark parameters `fndecl' and `funtype' with
6412 (expand_call): Cast result of MIN() to (unsigned int) when
6413 comparing against an unsigned value.
6415 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
6417 (make_definition): Remove unused parameter `op'. All callers
6419 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
6420 comparing against the result of pointer arithmetic.
6422 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
6423 when comparing against one.
6425 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
6426 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
6428 (output_die): Move variable `i' into the scope in which it is
6429 used. Change its type to `unsigned'.
6430 (output_die): Cast the result of `strlen' to (int) when passing it
6431 to ASM_OUTPUT_ASCII().
6432 (output_pubnames): Likewise.
6433 (output_line_info): Likewise.
6435 * emit-rtl.c (global_rtl): Add missing initializers.
6437 * explow.c (promote_mode): Mark parameter `for_call' with
6440 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
6441 `unsigned HOST_WIDE_INT' when comparing against one.
6442 (synth_mult): Change type of variable `cost' to int.
6443 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
6445 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
6446 when comparing against one.
6447 (get_inner_reference): Change variable `alignment' to unsigned.
6448 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
6449 int) when comparing against one.
6450 (expand_builtin_setjmp): Change type of variable `i' to size_t.
6452 * fold-const.c (div_and_round_double): Cast BASE to
6453 (HOST_WIDE_INT) when comparing against one.
6455 * gencheck.c: Include gansidecl.h.
6456 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
6458 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
6459 `tcode' with ATTRIBUTE_UNUSED.
6461 * real.c (edivm): Cast constant value to (unsigned long) in
6462 expression compared against an unsigned value.
6464 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
6465 comparing against one.
6466 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
6467 when comparing against one.
6469 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
6470 (unsigned int) when comparing against one. Likewise for
6472 (smallest_mode_for_size): Likewise.
6473 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
6474 (restore_storage_status): Likewise.
6476 * toplev.c (debug_args): Add missing initializer.
6477 (f_options): Spelling correction. Add missing initializers.
6478 (documented_lang_options): Likewise.
6479 (debug_end_source_file): Mark parameter `lineno' with
6482 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
6483 `decl' and `type' with ATTRIBUTE_UNUSED.
6485 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
6486 when comparing against one.
6487 (assemble_variable): Mark parameter `top_level' with
6489 (assemble_external_libcall): Mark parameter `fun' with
6491 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
6494 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
6496 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
6497 Replace use of r5 with use of r19.
6499 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
6501 * config/v850/v850.c (compute_register_save_size): Allow for the
6502 fact that helper functions save all registers, not just those used
6505 Replace constant 31 with macro LINK_POINTER_REGNUM.
6507 * config/v850/v850.md: Use 'indirect_operand' rather than
6508 'memory_operand' for bit test/set/clear patterns.
6510 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
6512 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
6513 * varasm.c (assemble_start_function et al): Don't call
6514 ASM_GLOBALIZE_LABEL for weak symbols.
6516 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
6518 * cse.c (equiv_constant): Check for NULL return from
6519 gen_lowpart_if_possible().
6521 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
6523 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
6525 * collect2.c (main): Pass -EL/-EB through to the compiler.
6527 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6529 * expr.c (push_block): Handle targets where the stack grows
6530 to higher addresses, but args grow to lower addresses and
6531 ACCUMULATE_OUTGOING_ARGS is not defined.
6533 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
6535 * config/v850/v850.c (print_operand): Extend meaning
6536 of 'c' operands to support .vtinherit.
6538 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6540 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
6541 Added ATTRIBUTE_UNUSED to unused function arguments.
6542 (rc_reg_operand): New predicate.
6543 (c4x_rptb_insert): New function.
6544 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
6545 (c4x_optimization_options): New function.
6547 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
6548 (decrement_and_branch_on_count): New pattern.
6549 (rptb_top): Modified pattern to work with BCT optimization.
6551 * config/c4x/c4x.h (RC_REG): New register class.
6552 (rc_reg_operand): Define prototype.
6553 (IS_RC_REG): New macro.
6554 (IS_RC_OR_PSEUDO_REG): New macro.
6555 (IS_RC_OR_PSEUDO_REGNO): New macro.
6556 (OPTIMIZATION_OPTIONS): Define.
6558 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
6560 * collect2.c (extract_init_priority): No priority is 65535.
6562 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6564 * Makefile.in (build_tooldir): new variable, same as old
6565 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
6566 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
6567 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
6569 * configure.in (gxx_include_dir): set default based on unlibsubdir
6570 * Makefile.in (tooldir): ditto
6571 (cccp.o, cpplib.o): use unlibsubdir implicitly through
6572 gxx_include_dir, includedir and tooldir
6573 (protoize.o, unprotoize.o): ditto
6575 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
6577 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
6579 * config/arm/thumb.c (thumb_override_options): Add warning about
6580 PIC code not being supported just yet.
6582 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
6584 * flow.c: Update comment.
6585 (notice_stack_pointer_modification): New static function.
6586 (record_volatile_insns): Use it.
6587 (mark_regs_live_at_end): Mark the stack pointer as alive
6588 at the end of the function if current_function_sp_is_unchanging
6590 (life_analysis_1): Set current_function_sp_is_unchanging.
6591 * function.c: Define it.
6592 (init_function_start): Initialize it.
6593 * output.h: Declare it.
6594 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
6595 the stack pointer as alive at the end of the function if
6596 current_function_sp_is_unchanging is set.
6597 * i386.c (ix86_epilogue): Optimize the restoring
6598 of the stack pointer.
6600 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
6602 * version.c: Bump for snapshot.
6604 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
6606 * c-pragma.c (handle_pragma_token): If passed a token instead
6607 of a tree, use that as the pack value.
6609 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
6611 * flow.c (find_basic_blocks_1): Fix prototype.
6613 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
6615 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
6616 (struct tree_decl): New fields no_check_memory_usage.
6617 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
6618 (init_attributes): Register it as a new attribute.
6619 (decl_attributes): Set flags on functions given that attribute.
6620 * c-decl.c (duplicate_decls): Merge new attribute.
6621 * expr.h (current_function_check_memory_usage): Declare new var.
6622 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
6623 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
6624 current_function_check_memory_usage.
6625 * function.h: Add field to struct function.
6626 * function.c (current_function_check_memory_usage): Define it.
6627 (push_function_context_to, pop_function_context_from): Save and
6629 (expand_function_start): Set it, based on global flag and function
6632 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
6633 check non-automatic variables, to permit detection of writes to
6634 read-only locations in embedded systems without memory management.
6635 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
6636 when emitting chkr_set_right_libfunc call, even if the argument is
6637 BLKmode or variable-sized; don't abort.
6639 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
6640 symbols in Pmode, not VOIDmode.
6642 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
6644 * cppexp.c: When forcing unsigned comparisons, cast both sides
6647 * cpphash.h: Move static declaration of hashtab[]...
6648 * cpphash.c: ...here.
6650 * cpplib.c: Cast difference of two pointers to size_t before
6651 comparing it to size_t. Cast signed to unsigned
6652 before comparing to size_t. (FIXME: struct argdata should use
6653 unsigned buffer sizes.)
6654 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
6655 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
6656 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
6657 size_t before comparison.
6659 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
6661 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
6662 (find_basic_blocks_1): Similarly.
6663 * output.h (find_basic_blocks): Fix prototype.
6664 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
6665 find_basic_blocks anymore.
6667 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
6669 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
6670 (sbitmap_free, sbitmap_vector_free): New macros.
6671 * output.h (rtl_dump_file): Declare.
6673 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
6675 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
6677 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6679 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
6681 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
6682 (divide): Remove unused variable `tmp'.
6683 (si_to_float): Cast numeric constant to (SItype) before comparing
6686 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
6688 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
6689 * gcc.c (add_preprocessor_option): Correct typo when allocating
6690 memory, sizeof() argument had one too many `*'.
6691 (add_assembler_option): Likewise.
6692 (add_linker_option): Likewise.
6693 * gcov.c (output_data): Likewise.
6694 * local-alloc.c (memref_used_between_p): Likewise.
6695 (update_equiv_regs): Likewise.
6696 * loop.c (strength_reduce): Likewise.
6697 * reg-stack.c (record_asm_reg_life): Likewise.
6698 (subst_asm_stack_reg): Likewise.
6699 * reorg.c (dbr_schedule): Likewise.
6701 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
6703 * flow.c (life_analysis_1): Break out some functions.
6704 (find_basic_blocks_1): Likewise. Also move some variables out and
6706 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
6707 new static var nonlocal_label_list with it.
6708 (active_eh_region, nested_eh_region, label_value_list,
6709 nonlocal_label_list): New static variables.
6710 (make_edges, delete_unreachable_blocks, delete_block): New static
6711 functions, broken out of find_basic_blocks_1.
6712 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
6713 noop_move_p): New static functions, broken out of life_analysis_1.
6715 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
6717 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
6718 Take extra care for op0 now possibly being a subreg.
6719 (extract_bit_field): Likewise.
6720 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
6721 the reg to memory if there is no equal sized integral mode.
6722 * stor-layout.c (int_mode_for_mode): New function.
6723 * machmode.h: Prototype it.
6725 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
6727 * global.c (build_insn_chain): Verify no real insns exist past the
6728 end of the last basic block, then exit the loop.
6730 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
6732 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
6734 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
6736 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
6738 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
6740 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
6742 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
6744 * flow.c (find_basic_blocks): Correctly determine when a call
6745 is within an exception region.
6747 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
6749 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
6751 * cpplib.h: Protect from multiple inclusions.
6752 * cpplib.c: Fix minor formatting problems.
6754 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
6756 * jump.c (jump_optimize): Revert accidental patch.
6758 * Makefile.in (cpplib.o): Use unlibsubdir.
6760 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
6762 * loop.c (get_condition): Allow combine when either compare is
6765 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
6767 * version.c: Bump for snapshot.
6769 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
6771 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
6772 (init_lex): Initialize ridpointers[RID_BYREF].
6773 * c-lex.h (enum rid): Add RID_BYREF.
6774 * c-parse.gperf: Add RID_BYREF as a type qualifier.
6775 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
6776 (encode_type_qualifiers): Similarly
6777 * c-gperf.h: Rebuilt.
6779 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
6781 * c-common.c (type_for_mode): Only return TItype nodes when
6782 HOST_BITS_PER_WIDE_INT is >= 64 bits.
6783 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
6784 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
6785 (init_decl_processing): Only create TItype nodes when
6786 HOST_BITS_PER_WIDE_INT is >= 64 bits.
6787 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
6788 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
6790 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
6792 * stmt.c (n_occurrences): New static function.
6793 (expand_asm_operands): Verify that all constrains match in the
6794 number of alternatives.
6795 Verify that '+' or '=' are at the beginning of an output constraint.
6796 Don't allow '&' for input operands.
6797 Verify that '%' isn't written for the last operand.
6798 * reload.c (find_reloads): Abort if an asm is found with invalid
6799 constraints; all possible problems ought to be checked for earlier.
6801 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6803 * flags.h (flag_branch_on_count_reg): Always declare
6804 * toplev.c (flag_branch_on_count_reg): Likewise.
6805 * toplev.c: Fix typos.
6807 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
6810 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
6812 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
6814 (find_basic_blocks_1): Add a nop to the end of a basic block when
6815 a trailing call insn does not have abnormal control flow.
6816 * gcse.c (pre_transpout): New variable.
6817 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
6818 (compute_pre_transpout): Calculate it.
6819 (compute_pre_ppinout): Use it to eliminate impossible placements
6820 due to abnormal control flow through calls.
6821 (compute_pre_data): Call compute_pre_transpout.
6823 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6825 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
6827 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
6829 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
6830 and matching define_insns): Tack on a `use' of the table label, so
6831 flow analysis will recognize a tablejump.
6833 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
6835 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
6836 always end basic blocks for abnormal edge reasons.
6838 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
6840 * config/i386/i386.h: Remove definition of
6841 HANDLE_PRAGMA_PACK_PUSH_POP.
6843 * config/i386/go32.h: Add definition of
6844 HANDLE_PRAGMA_PACK_PUSH_POP.
6846 * config/i386/win32.h: Add definition of
6847 HANDLE_PRAGMA_PACK_PUSH_POP.
6849 * config/i386/cygwin32.h: Add definition of
6850 HANDLE_PRAGMA_PACK_PUSH_POP.
6852 * c-pragma.c (insert_pack_attributes): Do not insert
6853 attributes unless #pragma pack(push,<n>) is in effect.
6855 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
6857 * expr.c (emit_group_store): Handle a PARALLEL destination.
6859 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
6861 * gcse.c (pre_insert_insn): When a call ends a bb, insert
6862 the new insns before the argument regs are loaded.
6864 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6866 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
6867 (c-parse.gperf): Update comments describing invocation flags.
6868 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
6870 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
6872 * reload1.c (reload): Call free before clobbering the memory
6873 locations or constants pointers.
6875 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6877 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
6878 for efficiency by checking whether we need to modify the current
6879 stack permission at all.
6880 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
6881 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
6882 __enable_execute_stack libcall here too if
6883 TRANSFER_FROM_TRAMPOLINE is defined.
6884 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
6887 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
6889 * Makefile.in (DRIVER_DEFINES): Remove last change.
6891 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
6893 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
6894 insns we're going to copy.
6895 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
6897 * loop.c (count_one_set): Add prototype.
6899 * caller-save.c (restore_referenced_regs): Lose mode argument.
6900 (insert_save): Lose mode argument.
6901 (insert_restore): Lose mode argument.
6902 (insert_one_insn): Lose mode argument.
6903 (save_call_clobbered_regs): Lose mode argument.
6904 (setup_save_areas): Take no argument and return void. All callers
6906 Don't verify validity of memory addresses.
6907 * reload.h (setup_save_ares): Adjust prototype.
6908 (save_call_clobbered_regs): Likewise.
6909 * reload1.c (delete_caller_save_insns): New function.
6910 (caller_save_spill_class): Delete variable.
6911 (caller_save_group_size): Delete variable.
6912 (reload): Call setup_save_areas and save_call_clobbered_regs
6913 in the main loop, before calling calculate_needs_all_insns.
6914 Don't call save_call_clobbered_regs after the loop.
6915 Call delete_caller_save_insns at the end of an iteration if
6917 Delete code to manage caller_save_spill_class.
6918 Emit the final note before setting reload_first_uid.
6919 Simplify test that determines whether reload_as_needed gets run.
6920 (calculate_needs): Delete code to manage caller_save_spill_class.
6922 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
6924 * collect2.c (main): Initialize ld_file_name.
6926 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
6928 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
6929 check for flag_function_sections.
6931 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6933 * cse.c (insert_regs): Fix bug in Sep 24 change.
6935 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6937 * flags.h (flag_dump_unnumbered): Declare.
6938 * toplev.c (flag_dump_unnumbered): Don't declare.
6939 * print-rtl.c (flags.h): Include.
6940 (print_rtl_single): Add return value.
6941 * rtl.h (print_rtl_single): Update declaration.
6942 * flow.c (flag_dump_unnumbered): Don't declare.
6943 (print_rtl_with_bb): Use return value of print_rtl_single.
6945 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
6947 * loop.c (count_one_set): New static function, broken out of
6949 (count_loop_regs_set): Call it.
6950 * global.c (mark_reg_store): Handle clobbers here by not calling
6952 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
6953 is in fact a clobber.
6954 * integrate.c (process_reg_param): New function, broken out of
6955 expand_inline_function.
6956 (expand_inline_function): Call it.
6959 * i386.md (addsidi3_1): Delete unused variable temp.
6960 (addsidi3_2): Likewise.
6961 (clstrstrsi): Delete unused variable addr1.
6963 * rtl.h: Don't declare any functions also declared in recog.h.
6965 * Makefile.in (stupid.o): Update dependencies.
6966 (global.o): Likewise.
6968 * global.c: Include reload.h
6969 (reg_becomes_live): New function.
6970 (reg_dies): New function.
6971 (build_insn_chain): New function.
6972 (global_alloc): Call build_insn_chain before calling reload.
6974 * reload.h (struct needs): New structure definition.
6975 (struct insn_chain): Likewise.
6976 (reload_insn_chain): Declare variable.
6977 (new_insn_chain): Declare function.
6980 * reload1.c (reload_startobj): New variable.
6981 (reload_insn_chain): New variable.
6982 (unused_insn_chains): New variable.
6983 (new_insn_chain): New function.
6984 (init_reload): Initialize reload_startobj, not reload_firstobj.
6985 (reload): Initialize reload_firstobj.
6986 Before returning, free everything on the reload_obstack.
6988 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
6989 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
6990 current_chain): New variables.
6991 (reg_where_born): Delete variable.
6992 (REG_WHERE_BORN): New macro.
6993 (find_clobbered_regs): New function.
6994 (stupid_life_analysis): Don't allocate/free reg_where_born.
6995 Allocate and free reg_where_born_exact, reg_where_born_clobber,
6996 reg_where_dead_chain.
6997 Use REG_WHERE_BORN instead of reg_where_born.
6998 While processing the insns, build the reload_insn_chain with
6999 information about register lifetimes.
7000 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
7001 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
7003 Compute and information about birth and death of pseudo registers in
7004 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
7005 Delete code to set elements of reg_where_born.
7007 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7009 * tree.def (GOTO_EXPR): Modified documentation.
7010 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
7013 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
7015 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
7016 loop_final_value, loop_comparison_code): No longer static.
7017 (unroll_loop): Delete loop_start_value update.
7018 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
7019 loop_final_value, loop_comparison_code): Extern.
7020 (loop_start_value): Delete extern.
7021 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
7022 loop_comparison_value, loop_comparison_code): Delete.
7023 (loop_optimize): Remove initialization for deleted variables.
7024 (strength_reduce): Delete analyze_loop_iterations call. Only call
7025 insert_bct if flag_branch_count_on_reg set.
7026 (analyze_loop_iterations): Delete.
7027 (insert_bct): Remove iteration count calculation. Move checks for
7028 viable BCT optimization to here. Obtain iteration count from
7029 loop_iterations and correct for unrolling. Check for enough
7030 iteration to be beneficial. Comment out runtime iteration count
7032 (insert_bct): Print iteration count in dump file. Remove
7033 loop_var_mode and use word_mode directly.
7035 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
7036 * rs6000.c (rs6000_override_options): Use it.
7037 (optimization_options): Enable use of flag_branch_on_count_reg.
7038 * rs6000.md (define_function_unit): Describe 604e.
7040 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7042 * loop.c (move_movables): Corrected threshold calculation for
7043 moved_once registers.
7045 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
7047 * loop.c (combine_givs_p): Fix test for identical givs.
7049 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
7051 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
7052 call abort if the function is already defined.
7054 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
7056 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
7057 truncation is not a no-op.
7059 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
7061 * version.c: Bump for snapshot.
7063 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
7065 * version.c: Bump for snapshot.
7067 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
7069 * expmed.c (expand_divmod): Don't widen for computing remainder
7070 if we seem to have a divmod pattern for needed mode.
7072 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
7074 * cpplib.c (macroexpand): Correct off-by-one error in handling
7077 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
7079 * combine.c (expand_field_assignment): Don't do bitwise operations
7080 on MODE_FLOAT; pun to MODE_INT if possible.
7082 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
7083 scott snyder <snyder@d0sgif.fnal.gov>
7085 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
7086 linker. Recognize mangled names in quotes.
7088 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7090 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
7091 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
7092 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
7093 (lshrsi3_extend, lshrsi3_extend2): Ditto.
7095 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7097 * function.c (purge_addressof_1): If trying to take a sub-word
7098 integral piece of a floating point mode, put it on the stack.
7100 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
7102 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
7104 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
7106 * PROJECTS: Remove template friends.
7108 * collect2.c (sort_ids): Remove unused variable.
7110 * tm.texi (MATH_LIBRARY): Document.
7111 (NEED_MATH_LIBRARY): Remove.
7113 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
7114 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
7116 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
7118 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
7119 last_end to 0x7fffffff.
7121 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7123 * function.c (purge_addressof_1): Do not perform endianness
7124 corrections on bitpos, who we call will do it for us.
7126 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
7128 * h8300.c (WORD_REG_USED): Fix typo.
7129 (initial_offset): Use WORD_REG_USED.
7131 * h8300.c (handle_pragma): Fix typo.
7133 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
7135 * caller-save.c (insert_save_restore): Break this function up
7136 into new functions insert_restore, insert_save and insert_one_insn.
7137 All callers changed.
7138 (insert_restore): New function, mostly broken out of
7139 insert_save_restore.
7140 (insert_save): Likewise.
7141 (insert_one_insn): Likewise.
7142 (restore_referenced_regs): New argument BLOCK. All callers changed.
7143 (save_call_clobbered_regs): Don't keep track of basic block boundaries
7144 in this function, do it in insert_one_insn instead.
7146 * reload1.c (reload): Break out some more pieces into separate
7148 (dump_needs): New function, broken out of reload.
7149 (set_initial_elim_offsets): Likewise.
7150 (init_elim_table): Likewise.
7151 (update_eliminables): Likewise.
7153 * global.c (global_alloc): Delete code to manage the scratch_list.
7154 * local-alloc.c (qty_scratch_rtx): Delete.
7155 (scratch_block): Delete.
7156 (scratch_list): Delete.
7157 (scratch_list_length): Delete.
7158 (scratch_index): Delete.
7159 (alloc_qty_for_scratch): Delete.
7160 (local-alloc): Update initialization of max_qty.
7161 Delete code to manage the scratch list.
7162 Delete code to allocate/initialize qty_scratch_rtx.
7163 (block_alloc): Don't allocate quantities for scratches.
7164 Delete code to manage the scratch list.
7165 * regs.h (scratch_list): Delete declaration.
7166 (scratch_block): Delete declaration.
7167 (scratch_list_length): Delete declaration.
7168 * reload1.c (reload): Delete code to manage the scratch list.
7169 (spill_hard_reg): Likewise.
7170 (mark_scratch_live): Delete.
7172 * recog.c (alter_subreg): Delete declaration.
7174 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
7176 * Makefile.in (cccp.o): Fix typo in last patch.
7178 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7180 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
7181 * config/sh/lib1funcs.asm (___set_fpscr): Add.
7183 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
7185 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
7186 NULL_RTX as an argument.
7188 * Makefile.in (unlibsubdir): Define.
7189 (DRIVER_DEFINES): Use unlibsubdir.
7190 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
7191 (stmp-fixinc): Similarly.
7193 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
7195 * regmove.c (regmove_optimize): Add variable old_max_uid.
7196 At the end of the function, update basic_block_end.
7198 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7200 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
7201 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
7204 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
7206 * config/arm/arm.c: Improve interworking support.
7208 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7210 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
7211 copied from reload_out[r] .
7213 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
7215 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
7216 with more than three size ranges.
7218 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
7220 * rtl.c (mode_name): Add a null string at the end of the array.
7221 (mode_wider_mode): Change type to unsigned char.
7222 (mode_mask_array): New variable.
7223 (init_rtl): Update for mode_wider_mode type change.
7225 * rtl.h (mode_wider_mode): Change type to unsigned char.
7226 (mode_mask_array): Declare.
7227 (GET_MODE_MASK): Use mode_mask_array.
7229 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
7231 * calls.c (expand_call) : Encapsulate code into
7232 copy_blkmode_from_reg.
7233 * expr.c (copy_blkmode_from_reg): New function.
7234 * expr.h (copy_blkmode_from_reg): New function.
7235 * integrate.c (function_cannot_inline_p): We can inline
7237 (expand_inline_function): Use copy_blkmode_from_reg
7238 if needed. Avoid creating BLKmode REGs.
7239 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
7242 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
7244 * config/v850/v850.c: Add function prototypes.
7245 Add support for v850 special data areas.
7247 * config/v850/v850.h: Add support for v850 special data areas.
7249 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
7250 HANDLE_PRAGMA_PACK_PUSH_POP.
7251 (push_alignment): New function: Cache an alignment requested
7252 by a #pragma pack(push,<n>).
7253 (pop_alignment): New function: Pop an alignment from the
7255 (insert_pack_attributes): New function: Generate __packed__
7256 and __aligned__ attributes for new decls whilst a #pragma pack
7258 (add_weak): New function: Cache a #pragma weak directive.
7259 (handle_pragma_token): Document calling conventions. Add
7260 support for #pragma pack(push,<n>) and #pragma pack (pop).
7262 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
7263 are defined enable HANDLE_PRAGMA_PACK.
7264 Move 'struct weak_syms' here (from varasm.c).
7265 Add pragma states for push and pop pragmas.
7267 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
7270 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
7271 HANDLE_GENERIC_PRAGMAS.
7273 * varasm.c: Move definition of 'struct weak_syms' into
7275 (handle_pragma_weak): Deleted.
7277 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
7279 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
7281 * c-decl.c (start_function): Add invocation of
7282 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
7284 * tm.texi: Remove description of non-existant macro
7285 SET_DEFAULT_SECTION_NAME.
7287 (HANDLE_SYSV_PRAGMA): Document.
7288 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
7290 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
7292 * config.sub: Recognize i[34567]86-pc-udk as new target.
7293 * configure.in: Likewise.
7294 * config/i386/t-udk: New file.
7295 * config/i386/udk.h: New file.
7297 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
7299 * reorg.c (check_annul_list_true_false): Remove unused variables.
7300 (steal_delay_list_from_target): Add missing "used_annul" variable.
7301 (try_merge_delay_insns): Close out half formed comment.
7303 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
7305 * cpplib.c (macroexpand): If arg->raw_before or
7306 arg->raw_after, remove any no-reexpansion escape at the
7307 beginning of the pasted token. Correct handling of whitespace
7308 markers and no-reexpand markers at the end if arg->raw_after.
7310 * toplev.c (documented_lang_options): Recognize -include,
7311 -imacros, -iwithprefix, -iwithprefixbefore.
7312 * cpplib.c (cpp_start_read): Process -imacros and -include
7313 switches at the same time and in command-line order, after
7314 initializing the dependency-output code. Emit properly nested
7315 #line directives for them. Emit a #line for the main file
7316 before processing these switches, and don't do it again
7319 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
7321 * function.c (purge_addressof_1): Use bitfield manipulation
7322 routines to handle mem mode < reg mode.
7324 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7326 * reorg.c (try_merge_delay_insns): Account for resources referenced
7327 in each instruction in INSN's delay list before trying to eliminate
7328 useless instructions. Similarly when looking at a trial insn's delay
7331 * reorg.c (check_annul_list_true_false): New function.
7332 (steal_delay_list_from_{target,fallthrough}): Call it and also
7333 refine tests for when we may annul if already filled a slot.
7334 (fill_slots_from_thread): Likewise.
7335 (delete_from_delay_slot): Return newly-created thread.
7336 (try_merge_delay_isns): Use its new return value.
7338 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
7340 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
7341 used to compute a giv or as some other non-counting use.
7343 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7345 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
7346 * local-alloc.c (find_free_reg): Use it.
7347 * global.c (find_reg): Likewise.
7348 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
7350 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
7351 * caller-save.c (init_caller_save): Use it.
7352 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
7354 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
7356 * configure.in: Add --enable-cpplib option which uses cpplib
7357 for cpp, but doesn't link cpplib into cc1. Make help text
7358 capitalization consistent.
7359 * configure: Rebuilt.
7361 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
7363 * function.c (gen_mem_addressof): If the address REG is
7364 REG_USERVAR_P make the new REG be so also.
7365 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
7366 in an attempt to clarify slightly.
7368 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
7370 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
7371 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
7373 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
7375 * toplev.c: Fix last patch.
7377 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
7379 * loop.c (get_condition): Fix typo in May 9 change.
7381 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
7383 * invoke.texi (-fexceptions): Merge 2 different descriptions.
7385 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7387 * toplev.c (documented_lang_options): Spelling corrections.
7389 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
7391 * configure.in: new flags --with-ld and --with-as, equivalent
7392 to setting LD and AS environment variables. Test whether
7393 specified arguments are GNU commands, and report them with
7394 checking messages. Use the specified AS for configure
7397 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
7399 * gcc.c (find_a_file): when looking for `as' and `ld', return
7400 the DEFAULT program if it exists
7401 * collect2.c (main): use DEFAULT_LINKER if it exists
7403 * gcc.c (find_a_file): the test for existence of a full
7404 pathname was reversed
7406 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
7408 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
7409 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
7411 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
7413 * tree.h (TYPE_BINFO): Document.
7415 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
7417 * i386-coff.h (dbxcoff.h): Added.
7419 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
7421 * toplev.c: fix bad patch around flag_data_sections.
7423 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
7425 * reload1.c (reload): Use reload_address_index_reg_class and
7426 reload_address_base_reg_class when setting
7427 caller_save_spill_class. (Patch generated by Jim Wilson:
7430 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
7432 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
7433 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
7434 * expr.c (store_field): Add alias_set parameter. Set the
7435 MEM_ALIAS_SET accordingly, if the target is a MEM.
7436 (expand_assignment): Use it.
7437 (store_constructor_field): Pass 0.
7438 (expand_expr): Likewise.
7440 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
7442 * flags.h: Add flag_data_sections.
7443 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
7444 (compile_file): Error if flag_data_sections not supported.
7445 * varasm.c (assemble_variable): Handle flag_data_sections.
7446 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
7447 * config/mips/elf.h: Likewise.
7448 * config/mips/elf64.h: Likewise.
7449 * invoke.texi: Describe -fdata-sections.
7451 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
7453 * invoke.texi (-ffloat-store): Clarify that this option
7454 does not affect intermediate results -- only variables.
7456 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
7458 * cpp.texi: Update for Fortran usage from Craig.
7460 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
7462 * rs6000.c (function_arg_boundary): Revert accidental change on
7465 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
7467 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
7468 (output_mi_thunk): Declare.
7470 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
7471 (output_function_profiler): Use r12 for temp, instead of r11 so
7472 that we preserve the static chain register.
7474 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
7476 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
7478 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7480 * sh.c (gen_shl_sext): Fix case 5.
7482 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7484 * reload1.c (reload_combine): Re-add line that got accidentally lost.
7486 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7488 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
7489 accessing variables until they are initialized via va_arg().
7491 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7493 * reload1.c (reload_combine): Initialize set before using.
7495 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
7497 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
7500 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
7502 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
7503 operand3 with mask before using it. Patch provided by Jim Wilson.
7505 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7507 * config/sparc/sparc.c (function_value): Perform the equivalent of
7508 PROMOTE_MODE for ARCH64.
7509 (eligible_for_epilogue_delay): Allow DImode operations in delay
7510 slot of a return for ARCH64.
7512 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7514 * sh.md (sqrtsf2): Fix mode of sqrt.
7516 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7518 * reload1.c (choose_reload_regs): Also try inheritance when
7519 reload_in is a stack slot of a pseudo, even if we already got a
7522 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7524 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
7525 (reload_cse_regs): New function body: call reload_cse_regs_1,
7526 reload_combine, reload_cse_move2add.
7527 When doing expensive_optimizations, call reload_cse_regs_1 a
7528 second time after reload_cse_move2add.
7529 (reload_combine, reload_combine_note_store): New functions.
7530 (reload_combine_note_use): New function.
7531 (reload_cse_move2add, move2add_note_store): New functions.
7533 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7535 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
7536 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
7538 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
7539 more than 3 such reloads.
7541 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
7542 RELOAD_FOR_X_ADDR_ADDR reload.
7544 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7546 * expr.c (store_constructor): When initializing a field that is smaller
7547 than a word, at the start of a word, try to widen it to a full word.
7549 * cse.c (cse_insn): When we are about to change a register,
7550 remove any invalid references to it.
7552 (remove_invalid_subreg_refs): New function.
7553 (mention_regs): Special treatment for SUBREGs.
7554 (insert_regs): Don't strip SUBREG for call to mention_regs.
7555 Check if reg_tick needs to be bumped up before that call.
7556 (lookup_as_function): Try to match known word_mode constants when
7557 looking for a norrower constant.
7558 (canon_hash): Special treatment for SUBREGs.
7560 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7562 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
7563 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
7564 defined, emit libcall to __enable_execute_stack. Also fix opcodes
7565 and offsets in actual stack trampoline code so they match the
7566 commentary and actually work.
7568 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7570 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
7572 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
7573 tmake_file. Set extra_parts to needed crt objects.
7574 * configure: Rebuilt.
7575 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
7576 (TARGET_DEFAULT): Set if default is v9 or ultra.
7577 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
7578 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
7579 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
7580 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
7581 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
7582 (TARGET_VERSION): Define.
7583 (MULTILIB_DEFAULT): Define.
7584 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
7585 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
7586 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
7588 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
7589 * config/sparc/sparc.c (sparc_override_options): If arch and
7590 pointer size disagree, emit diagnostic and fix it up. If
7591 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
7592 V8PLUS in 64-bit mode.
7593 * config/sparc/t-linux64: New file.
7594 * config/sparc/t-sol2-64: New file.
7595 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
7596 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
7597 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
7598 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
7599 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
7600 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
7602 (STARTFILE_SPEC): Set approriately based upon those.
7603 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
7604 disposition of DEFAULT_ARCH32_P.
7605 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
7606 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
7607 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
7608 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
7609 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
7611 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
7613 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
7615 * rtl.h (init_virtual_regs): New function.
7616 * emit-rtl.c (init_virtual_regs): Define.
7617 (insn_emit): Use it.
7618 * integrate.c (save_for_inline_copying): Likewise.
7620 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
7622 * config/arm/thumb.h: The following patches were made by Jim Wilson:
7623 (enum reg_class): Add NONARG_LO_REGS support.
7624 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
7625 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
7626 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
7627 completes. Re-enable HImode REG+OFFSET addresses.
7628 (LEGITIMIZE_RELOAD_ADDRESS): Define.
7630 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
7632 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
7634 * alpha.c (get_aligned_mem): Revert Sep 20 change.
7635 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
7636 (alpha_align_insns): Properly calculate initial offset wrt max_align.
7638 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
7640 * arm.c (find_barrier): Revert change of Apr 23. Handle table
7641 jumps as a single entity, taking into account the size of the
7644 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7646 * tree.def (SWITCH_EXPR): New tree node definition.
7648 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
7650 * version.c: Bump for snapshot.
7652 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
7654 * version.c: Bump for snapshot.
7656 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
7658 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
7661 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
7663 * Revert this patch.
7664 * reload.c (find_reloads): Do not replace a pseudo with
7665 (MEM (reg_equiv_addr)) in the initializing insn for the
7668 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
7670 * final.c (final_scan_insn): Disable tracking CC across branches.
7672 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
7674 * expr.h (eh_rtime_match_libfunc): New extern declaration.
7675 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
7676 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
7677 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
7678 NULL. Only include <stdio.h> if inhibit_libc is not defined.
7680 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
7682 * toplev.c (rest_of_compilation): Skip compiling anything with
7683 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
7685 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
7687 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
7688 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
7689 use in_libcall_block.
7690 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
7691 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
7694 Mon Sep 21 14:02:23 1998
7696 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
7697 typo in no-fancy-math-387 description.
7699 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
7701 * version.c: Bump for snapshot.
7703 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
7705 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
7707 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
7709 * i386.h: (TARGET_SWITCHES) Add description fields for flags
7710 documented in install.texi.
7711 (TARGET_OPTIONS) Likewise.
7713 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
7715 * version.c: Bump for snapshot.
7717 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
7719 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
7720 * cccp.c (main): Likewise.
7722 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
7723 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
7726 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
7728 * Makefile.in (LIBS): Link in libiberty.a.
7729 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
7731 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
7733 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
7734 it to update bb boundaries. Update caller.
7735 * function.c (reposition_prologue_and_epilogue_notes): Update
7736 bb boundaries wrt the moved note.
7738 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
7740 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
7742 * configure: Regenerate.
7744 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
7746 * alpha.c (alpha_sr_alias_set): New variable.
7747 (override_options): Set it.
7748 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
7749 (mode_mask_operand): Fix signed-unsigned comparision warning.
7750 (alpha_expand_block_move): Likewise.
7751 (print_operand): Likewise.
7752 (get_aligned_mem): Use change_address.
7753 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
7754 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
7755 (alphaev4_next_nop, alphaev5_next_nop): New functions.
7756 (alpha_align_insns): Remade from old alphaev5_align_insns
7757 to handle multiple processors.
7758 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
7759 * output.h (label_to_alignment): Prototype.
7761 * tree.c (new_alias_set): New function.
7762 * tree.h (new_alias_set): Declare it.
7763 * c-common.c (c_get_alias_set): Use it.
7765 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
7767 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
7768 to an ABS expr, convert an unsigned input to signed.
7770 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
7772 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
7774 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7776 * configure.in: Add support for c4x targets.
7777 * configure: Rebuilt.
7779 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
7781 * combine.c (distribute_notes): If an insn is a cc0 user, only
7782 delete it if we can also delete the cc0 setter.
7784 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
7786 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
7787 (invert_truthvalue): Enable truthvalue inversion for
7788 floating-point operands if -ffast-math.
7790 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
7792 * configure.in: Disable collect2 for nextstep. Instead use
7794 * configure: Rebuilt.
7795 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
7796 (ENDFILE_SPEC): Define.
7797 (OBJECT_FORMAT_MACHO): Define.
7798 (EH_FRAME_SECTION_ASM_OP): Define.
7799 * crtstuff.c: Handle MACHO.
7801 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
7803 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
7805 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
7807 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
7808 (_fpadd_parts): Get sign right for 0.
7810 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7812 * ginclude/varargs.h: Add support for C4x target.
7813 * ginclude/stdargs.h: Likewise.
7815 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
7817 * alpha.c (alpha_return_addr): SET should be VOIDmode.
7818 (alpha_emit_set_long_const): Rewrite to be callable from reload
7820 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
7821 * alpha.md (movdi): Likewise.
7823 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
7825 * arm.c (add_constant): New parameter address_only, change caller.
7826 Set it non-zero if taking the address of an item in the pool.
7827 (arm_reorg): Handle cases where we need the address of an item in
7830 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
7832 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
7833 memory addresses that are not in standard canonical form.
7835 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
7837 * README.C4X: New file with information about the c4x ports.
7838 * ginclude/va-c4x.h: New file for c4x varargs support.
7839 * config/c4x: New directory with c4x port files.
7841 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
7843 * reload.c (find_reloads): Do not replace a pseudo with
7844 (MEM (reg_equiv_addr)) in the initializing insn for the
7847 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
7849 * toplev.c (rest_of_compilation): Set bct_p on second call to
7851 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
7853 (strength_reduce): Only call analyze_loop_iterations and
7854 insert_bct if bct_p set.
7855 (check_dbra_loop): Fix typo.
7856 (insert_bct): Use word_mode instead of SImode.
7857 (instrument_loop_bct): Likewise. Do not delete iteration count
7858 condition code generation insn. Initialize iteration count before
7860 * rtl.h (loop_optimize): Update prototype.
7862 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
7863 not doubleword aligned.
7865 * rs6000.c (optimization_options): New function.
7866 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
7867 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
7868 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
7869 first; cr1 can be used for FP record condition insns.
7871 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
7873 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
7876 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
7879 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
7881 (block_move_call): New function: Call a library routine to copy a
7883 (m32r_expand_block_move): New function: Expand a "movstrsi"
7884 pattern into a sequence of insns.
7885 (m32r_output_block_move): New function: Expand a
7886 "movstrsi_internal" pattern into a sequence of assembler opcodes.
7887 (m32r_block_immediate_operand): New function: Return true if the
7888 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
7890 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
7892 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
7894 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
7896 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7898 * regmove.c (copy_src_to_dest): Check that modes match.
7900 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
7902 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
7904 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
7906 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
7907 narrower than FLOAT_REGS.
7909 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
7911 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
7913 * Makefile.in (old_gxx_include_dir): removed
7915 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
7917 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
7920 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
7921 (sh_handle_pragma): Change function arguments to match new
7922 specification for HANDLE_PRAGMA.
7924 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7926 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
7928 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
7929 When generating output, initialize missing struct member to zero.
7931 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7933 * regmove.c (copy_src_to_dest): Don't copy if that requires
7934 (a) new register(s).
7936 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7938 * global.c (reg_allocno): Now static.
7939 * reload1.c (reg_allocno): Delete declaration.
7940 (order_regs_for_reload): Take no arguments. Don't treat regs
7941 allocated by global differently than those allocated by local-alloc.
7943 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
7945 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
7946 condition, fix format strings.
7947 (output_function_epilogue): Likewise.
7949 * m68k/m68k.c: Don't include <stdlib.h> directly.
7951 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
7953 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
7954 mem_first_set, mem_last_set; because 0 can be a CUID.
7955 (oprs_unchanged_p): Use new definition.
7956 (record_last_reg_set_info): Likewise.
7957 (record_last_mem_set_info): Likewise.
7958 (compute_hash_table): Likewise.
7960 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
7962 * rs6000.c (output_epilogue): Handle Chill.
7964 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
7965 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
7967 * combine.c (make_extraction): If no mode is specified for
7968 an operand of insv, extv, or extzv, default it to word_mode.
7969 (simplify_comparison): Similarly.
7970 * expmed.c (store_bit_field): Similarly.
7971 (extract_bit_field): Similarly.
7972 * function.c (fixup_var_regs_1): Similarly.
7973 * recog.c (validate_replace_rtx_1): Similarly.
7974 * mips.md (extv, extzv, insv expanders): Default modes for most
7975 operands. Handle TARGET_64BIT.
7976 (movdi_uld, movdi_usd): New patterns.
7978 * pa.c (emit_move_sequence): Do not replace a pseudo with its
7979 equivalent memory location unless we have been provided a scratch
7980 register. Similarly do not call find_replacement unless a
7981 scratch register has been provided.
7983 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7985 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
7988 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
7990 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
7991 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
7992 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
7993 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
7994 * c-decl.c (init_decl_processing): Update accordingly.
7995 * expr.c (expand_builtin): Likewise.
7997 * rtl.h (global_rtl): Add cfa entry.
7998 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
7999 (LAST_VIRTUAL_REGISTER): Update.
8000 * emit-rtl.c (global_rtl): Add cfa entry.
8001 (init_emit): Initialize it.
8002 * function.c (cfa_offset): New.
8003 (instantiate_virtual_regs): Initialize it.
8004 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
8005 (expand_function_end): Call expand_eh_return.
8006 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
8008 * except.c (current_function_eh_stub_label): Kill.
8009 (current_function_eh_old_stub_label): Likwise; update all references.
8010 (expand_builtin_set_return_addr_reg): Kill.
8011 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
8012 (expand_builtin_set_eh_regs): Kill.
8013 (eh_regs): Produce a third reg for the actual handler address.
8014 (eh_return_context, eh_return_stack_adjust): New.
8015 (eh_return_handler, eh_return_stub_label): New.
8016 (init_eh_for_function): Initialize them.
8017 (expand_builtin_eh_return, expand_eh_return): New.
8018 * except.h: Update prototypes.
8019 * flow.c (find_basic_blocks_1): Update references to the stub label.
8020 * function.h (struct function): Kill stub label elements.
8022 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
8023 register number is one that would be in the previous window.
8024 Provide a dummy definition for non-windowed targets.
8025 (get_reg_addr): New function.
8026 (get_reg, put_reg, copy_reg): Use it.
8027 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
8028 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
8030 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
8031 (alpha_init_expanders): Initialize it.
8032 (alpha_expand_epilogue): Use it.
8033 * alpha.h: Declare it.
8034 * alpha.md (eh_epilogue): New.
8036 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
8037 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
8039 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
8041 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
8044 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
8046 * except.h (struct eh_entry): Add false_label field.
8047 (end_catch_handler): Add prototype.
8048 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
8049 (start_catch_handler): When using old style exceptions, issue
8050 runtime typematch code before continuing with the handler.
8051 (end_catch_handler): New function, generates label after handler
8052 if needed by older style exceptions.
8053 (expand_start_all_catch): No need to check for new style exceptions.
8054 (output_exception_table_entry): Only output the first handler label
8055 for old style exceptions.
8056 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
8057 mechanism into one function, if a runtime matcher is provided.
8059 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
8061 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
8063 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
8065 * integrate.c (copy_decl_list): Fix typo.
8067 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8069 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
8072 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
8074 * version.c: Bump for snapshot.
8076 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
8078 * version.c: Bump for snapshot.
8080 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
8082 * version.c: Bump for snapshot.
8084 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8086 * invoke.texi (C Dialect Options): Put back missing @end itemize.
8088 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
8090 * configure.in: remove usage of `!' to negate the result of a
8091 command; some common shells do not support it
8093 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8095 * configure.in: in sparc9-sol2 config, use 'if test' not
8097 * configure: Rebuilt.
8099 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
8101 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
8102 (CPP_CPU_DEFAULT_SPEC): Likewise.
8103 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
8104 for arch64 libfuncs.
8106 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
8109 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8111 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
8113 * collect2.c: Don't declare `sys_siglist' here.
8114 (my_strsignal): Prototype and define new function. Use it in
8115 place of `sys_siglist' hacks.
8117 * mips_tfile.c: Likewise.
8119 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
8120 (GCC_NEED_DECLARATIONS): Likewise.
8122 * system.h (strsignal): Prototype it, if necessary.
8123 (sys_siglist): Declare it, if necessary.
8125 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8127 * loop.c (move_movables): While removing insn sequences, preserve
8128 the next pointer of the most recently deleted insn when we skip
8131 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
8133 * objc/config-lang.in: Do not output the name of the selected
8134 thread file when building the front-end. The Makefile for the
8135 runtime library will do this.
8137 * objc/Make-lang.in: Do not build the runtime library or install
8138 the Objective C header files. The Makefile for the runtime
8139 library will do this.
8141 * objc/Makefile.in (all.indirect): Only build the front-end.
8142 (compiler): Rename to `frontend'.
8143 (obj-runtime): Remove target.
8144 (copy-headers): Likewise.
8145 (clean): No need to remove `libobjc.a' any longer.
8147 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
8149 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
8150 supported with -mcpu=xxx.
8152 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8154 * flow.c (mark_set_1): Recognize multi-register structure return
8155 values in CALL insns.
8156 (mark_used_regs): Likewise.
8157 (count_reg_sets_1): Likewise.
8158 (count_reg_references): Likewise.
8159 * rtlanal.c (note_stores): Likewise.
8160 (reg_overlap_mentioned_p): Likewise.
8161 * haifa-sched.c (check_live_1): Likewise.
8162 (update_live_1): Likewise.
8163 (sched_analyze_1): Likewise.
8164 (sched_note_set): Likewise.
8165 (birthing_insn_p): Likewise.
8166 (attach_deaths): Likewise.
8168 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
8171 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
8173 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
8175 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8177 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
8179 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
8181 * configure.in: Add check for GAS subsection -1 support.
8182 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
8183 * configure config.in: Rebuilt.
8184 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
8185 SImode is subsection -1 works, else use DImode.
8186 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
8187 subsection -1 works.
8188 * config/sparc/sparc.c (sparc_output_addr_vec,
8189 sparc_output_addr_diff_vec): Use them if defined.
8191 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
8193 * tree.h (DECL_ORIGIN): New macro.
8194 * integrate.c (copy_and_set_decl_abstract_origin): New function.
8195 (copy_decl_list): Use it.
8196 (integrate_parm_decls): Likewise.
8197 (integrate_decl_tree): Likewise.
8198 * dwarf2out.c (decl_ultimate_origin): Simplify.
8199 * dwarfout.c (decl_ultimate_origin): Likewise.
8200 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
8201 (pushdecl): Likewise.
8203 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
8205 * config/rs6000/rs6000.c (output_epilog): Add Java support.
8207 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
8209 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
8211 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
8213 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
8214 empty or has a single entry.
8216 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
8217 before calling reg_to_stack.
8219 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
8221 * alpha.c (alphaev5_insn_pipe): Abort on default case.
8222 (alphaev5_next_group): Swallow CLOBBERs and USEs.
8224 * c-tree.h (warn_long_long): Declare it.
8226 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
8228 * emit-rtl.c (gen_lowpart_common): Disable optimization of
8229 initialized float-int union if the value is a NaN.
8231 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
8233 * c-lex.c (real_yylex): Don't warn about long long constants if
8234 we're allowing long long
8236 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8238 * except.h (current_function_eh_stub_label): Declare.
8239 (current_function_eh_old_stub_label): Declare.
8240 * function.h (struct function): New members eh_stub_label and
8242 * except.c (current_function_eh_stub_label): New variable.
8243 (current_function_eh_old_stub_label): New variable.
8244 (init_eh_for_function): Clear them.
8245 (save_eh_status): Save them.
8246 (restore_eh_status): Restore them.
8247 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
8248 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
8249 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
8250 make an edge from the block that contains it to the block starting
8251 with the label if this label is one of the eh stub labels.
8252 If eh stub labels exist, show they are reachable from the last block
8255 * reload1.c (reload): Break out several subroutines and make some
8257 (calculate_needs_all_insns): New function, broken out of reload.
8258 (calculate_needs): Likewise.
8259 (find_reload_regs): Likewise.
8260 (find_group): Likewise.
8261 (find_tworeg_group): Likewise.
8262 (something_needs_reloads): New global variable, formerly in reload.
8263 (something_needs_elimination): Likewise.
8264 (caller_save_spill_class): Likewise.
8265 (caller_save_group_size): Likewise.
8266 (max_needs): Likewise.
8267 (group_size): Likewise.
8268 (max_groups): Likewise.
8269 (max_nongroups): Likewise.
8270 (group_mode): Likewise.
8271 (max_needs_insn): Likewise.
8272 (max_groups_insn): Likewise.
8273 (max_nongroups_insn): Likewise.
8274 (failure): Likewise.
8276 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
8278 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
8280 * loop.c (load_mems): Copy rtx for output mem.
8282 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
8284 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
8285 mips1 or mips2 either.
8287 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
8289 * pa.c (pa_reorg): New marking scheme for jumps inside switch
8291 (pa_adjust_insn_length): Update to work with new marking scheme
8292 for jumps inside switch tables.
8293 * pa.md (switch_jump): Remove pattern.
8294 (jump): Handle jumps inside jump tables.
8296 * Makefile.in (profile.o): Depend on insn-config.h
8298 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
8300 * iris6.h (DWARF2_UNWIND_INFO): Undef.
8302 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8304 Add preliminary native sparcv9 Solaris support.
8305 * configure.in: Recognize sparv9-*-solaris2*
8306 * configure: rebuilt
8307 * config.sub: Recognize sparcv9 just like sparc64.
8308 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
8309 config/sparc/sol2-cn.asm: Macroize so it can be shared between
8310 32-bit and 64-bit Solaris systems.
8311 * config/sparc/t-sol2: Assemble those with cpp.
8312 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
8313 (*TF*_LIBCALL): If ARCH64 use V9 names.
8314 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
8316 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
8318 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
8319 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
8321 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
8323 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
8324 to Pmode if CASE_VECTOR_MODE is something else.
8326 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
8328 * prefix.c (update_path): Correctly handle cases where PATH is
8329 a substring of the builtin prefix, but specifies a different
8332 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
8334 * expr.c: Corrected comment about what MOVE_RATIO does.
8335 * config/alpha/alpha.h: Ditto.
8336 * config/1750a/1750a.h: Ditto.
8337 * config/clipper/clipper.h: Ditto.
8338 * config/i386/i386.h: Ditto.
8340 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
8342 * configure.in (m68k-next-nextstep3*): Use collect2.
8343 Similarly for x86 NeXT configurations.
8344 * configure: Rebuilt.
8346 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
8348 * configure.in: Don't assume srcdir is .../gcc
8349 * configure: Rebuilt.
8351 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
8353 * global.c: Update comments.
8354 (global_alloc): Assign allocation-numbers
8355 even for registers allocated by local_alloc in case
8356 they are later spilled and retry_global_alloc is called.
8357 (mark_reg_store, mark_reg_clobber,
8358 mark_reg_conflicts, mark_reg_death): Always record a
8359 conflict with a pseudo register even if it has been
8360 assigned to a hard register.
8361 (dump_conflicts): Don't list pseudo registers already assigned to
8362 a hard register as needing to be allocated, but do list their
8364 * local-alloc.c: Update comment.
8366 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
8368 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
8369 * configure: Rebuilt.
8371 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
8373 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
8375 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
8376 for all targets that set -msoft-float.
8378 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8380 * toplev.c (print_switch_values): Make static to match prototype.
8382 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
8384 * configure.in: If we are unable to find the "gnatbind" program,
8385 then do not configure the ada subdir.
8386 * configure: Rebuilt.
8388 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
8390 * version.c: Bump for snapshot.
8392 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
8394 * version.c: Bump for snapshot.
8396 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8398 * Makefile.in (toplev.o): Depend on $(EXPR_H).
8399 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
8401 * gansidecl.h: Define ATTRIBUTE_NORETURN.
8403 * genattrtab.c: Have insn-attrtab.c include toplev.h.
8405 * genextract.c: Have insn-extract.c include toplev.h.
8407 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
8409 * toplev.c: Include expr.h.
8410 (really_sorry, fancy_abort): Remove prototypes.
8411 (set_target_switch): Add argument in prototype.
8412 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
8413 (v_really_sorry): Likewise.
8414 (print_version, print_single_switch, print_switch_values): Make
8415 static and add prototype arguments.
8416 (decl_printable_name): Add prototype arguments.
8417 (lang_expand_expr_t): New typedef.
8418 (lang_expand_expr): Declare as a lang_expand_expr_t.
8419 (incomplete_decl_finalize_hook): Add prototype argument.
8420 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
8421 (botch): Likewise for variable `s'.
8422 (rest_of_type_compilation): Mark variables `type' and `toplev'
8423 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
8424 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
8425 (display_help): Make variable `i' an `unsigned long'.
8426 (main): Remove unused parameter `envp'.
8427 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
8428 Cast -1 when comparing it with a `size_t'.
8430 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
8431 prototype with ATTRIBUTE_NORETURN.
8432 (fatal_insn_not_found, fatal_insn, really_sorry,
8433 push_float_handler, pop_float_handler): Add prototypes.
8434 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
8435 (do_abort, botch): Add prototypes.
8437 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
8439 * final.c (final): If a label is reached only from a single jump,
8440 call NOTICE_UPDATE_CC on the jump and its predecessor before
8441 emitting the insn after the label.
8443 * i386.h: Add AMD K6 support.
8444 Change TARGET_* macros to use table lookup.
8445 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
8446 (ADJUST_COST): Change definition to call function in i386.c.
8447 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
8448 * i386.c: Add AMD K6 support.
8449 Add constants for feature tests used by TARGET_* macros.
8450 (split_di): If before reload, call gen_lowpart and gen_highpart.
8451 (x86_adjust_cost): New function.
8452 (put_jump_code): New function.
8453 (print_operand): New codes 'D' and 'd'.
8454 * i386.md: New insn types. New insn attribute "memory".
8455 Redefine scheduling parameters to use new types and add AMD K6
8456 support. Explicitly set type of most insns.
8457 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
8458 Pro and K6 prefer movl $1,reg to incl reg.
8459 (adddi3, subdi3): Set cc_status.
8460 (DImode shift patterns): Change label counters from HOST_WIDE_INT
8461 to int; x86 can't have more than 2^31 DImode shifts per file.
8462 (setcc): Combine all setcc patterns. Allow writing memory.
8463 Combine all jump patterns using match_operator.
8464 (*bzero): Name pattern. Emit mutliple stos instructions when that
8465 is faster than rep stos.
8466 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
8469 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
8471 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
8474 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
8476 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
8477 not whatever we're generating now.
8479 * alpha.c (set_frame_related_p, FRP): New.
8480 (alpha_expand_prologue): Mark frame related insns.
8481 (alpha_expand_epilogue): Likewise, but with a null FRP.
8482 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
8483 * alpha.md (exception_receiver): New.
8484 * alpha/crtbegin.asm (.eh_frame): New beginning.
8485 (__do_frame_setup, __do_frame_takedown): New.
8486 * alpha/crtend.asm (.eh_frame): New ending.
8487 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
8488 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
8489 (ASM_FILE_START): Don't emit .file for dwarf2.
8491 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
8492 * rtl.c (reg_note_name): Likewise.
8493 * rtl.texi (REG_NOTES): Likewise.
8494 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
8497 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
8499 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
8500 * i386.md (movsf, movdf, movxf): Validate memory address returned
8501 from force_const_mem. Kill useless REG_EQUAL setting code.
8503 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
8505 * m68k.md (zero_extendsidi2): Fix typo.
8507 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
8509 * configure.in: Removed references to the removed file
8510 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
8511 * arm*-*-netbsd* and ns32k-*-netbsd*.
8512 * config/i386/xm-netbsd.h: Removed unnecessary file.
8513 * config/m68k/xm-netbsd.h: Likewise.
8514 * config/sparc/xm-netbsd.h: Likewise.
8515 * config/mips/xm-netbsd.h: Likewise.
8517 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
8519 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
8520 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
8522 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
8523 for exact section attributions.
8525 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
8527 * i386/crtdll.h (CPP_PREDEFINES): Define.
8529 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
8531 * m68k.md (5200 movqi): Do not allow byte sized memory references
8533 * m68k.c (output_move_qimode): Do not use byte sized operations on
8536 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
8537 explicit rules for building. Similarly for alloca, vfprintf,
8538 choose-temp and mkstemp, getopt, getopt1, and obstack.
8539 (INCLUDES): Add $(srcdir)/../include.
8540 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
8541 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
8543 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
8545 * gcc.c (do_spec_1): [case 'o'] Account for
8546 lang_specific_extra_outfiles.
8547 (main): Correctly clear all slots in outfiles for
8548 lang_specific_extra_outfiles. Set input_file_number before
8549 calling lang_specific_pre_link.
8551 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
8553 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
8555 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8557 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
8559 (sparc_output_deferred_case_vectors): If no work to do, return.
8560 Fix thinko in Sept 1 change.
8562 1998-09-03 SL Baur <steve@altair.xemacs.org>
8564 * Makefile.in: add semicolon in BISON definition for portability.
8566 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
8568 * config/nextstep.c (handle_pragma): Correct name of third
8571 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
8573 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
8574 * config/m32r/m32r.h: Make register 17 be fixed.
8575 * config/m32r/m32r.c: Use SImode for cc operations.
8577 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
8579 * invoke.texi (Warning Options): Add -Wnon-template-friend
8582 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
8584 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
8586 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
8588 * rs6000.md (movsf): Disable explicit secondary-reload-like
8589 functionality if TARGET_POWERPC64.
8590 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
8593 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
8595 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
8596 and term.h from fixinc.wrap.
8598 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8600 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
8601 safe to include both string.h and strings.h together.
8602 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
8603 which headers to search for function declarations. Continue to
8604 prefer string.h over strings.h when both are not acceptable.
8606 * acconfig.h (STRING_WITH_STRINGS): Add stub.
8608 * configure.in: Call GCC_HEADER_STRING.
8610 * system.h: Test STRING_WITH_STRINGS when deciding which headers
8611 to include. Continue to prefer string.h over strings.h when both
8614 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8616 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
8617 not assume top 32-bits of symbolic addresses are zero if
8620 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
8622 * ginclude/va-alpha.h: Protect entire second portion of the
8623 file against double inclusion.
8625 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
8627 Added support for the Boehm's garbage collector.
8628 * configure.in: Handle --enable-objc-gc.
8629 * configure: Rebuilt.
8630 * Makefile.in (CHECK_TARGETS): Add check-objc.
8631 (check-objc): New rule.
8632 * objc/Make-lang.in: Build a different Objective-C library that
8633 runs with the Boehm's collector.
8634 * objc/encoding.c (objc_round_acc_size_for_types): New function.
8635 * objc/encoding.c: Correctly compute the size of compound types in
8636 the presence of bitfields. Skip the variable name of the type if
8637 any. Added support for long long.
8638 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
8639 (_F_GCINVISIBLE): New mask.
8640 * objc/gc.c: New file. Compute the type memory mask associated with
8641 a class based on the runtime information.
8642 * objc/misc.c: Added the hooks that use the Boehm's collector
8643 allocation functions.
8644 * objc/objc-act.c (build_class_template): Generate a new class
8645 member (gc_object_type) to hold the class' type memory mask.
8646 (build_shared_structure_initializer): Initialize the new member to
8648 (encode_complete_bitfield): New function. Generate the new
8650 (encode_field_decl): Generate the new encoding only for the GNU
8652 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
8654 (class_get_gc_object_type): New function to mark a pointer instance
8655 variable as a weak pointer.
8656 * objc/objc-features.texi: New file.
8657 * objc/objc.h (gc_object_type): New class member.
8658 * objc/objects.c (class_create_instance): Create a typed memory
8659 object when compiled with Boehm's collector support.
8660 * objc/sendmsg.c (__objc_init_install_dtable): Call
8661 __objc_send_initialize instead of setting the initialize flag.
8662 (__objc_send_initialize): Call __objc_generate_gc_type_description
8663 to generate the class type memory mask. Rewrite the code that
8664 sends the +initialize so that it is called only once (bug report
8665 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
8666 * testsuite/objc: New testsuite for Objective-C type encoding.
8667 * testsuite/lib/objc-torture.exp: New file.
8668 * testsuite/lib/objc.exp: New file.
8670 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
8672 * jump.c (jump_optimize): In if/then/else transformations, add
8673 another call to modified_between_p for the jump insn.
8675 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
8677 * fix-header.c (symlink): Treat like readlink.
8679 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8681 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
8684 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
8686 * config/nextstep.h: Update HANDLE_PRAGMA macro.
8687 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
8688 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
8690 * config/nextstep.c (handle_pragma): Take three arguments, as per
8691 the new HANDLE_PRAGMA macro specification.
8692 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
8693 per the new HANDLE_PRAGMA macro specification.
8694 * config/i960/i960.c (process_pragma): Take three arguments, as
8695 per the new HANDLE_PRAGMA macro specification.
8697 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
8699 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
8700 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
8701 if unknown pragmas are encountered.
8702 (handle_sysv_pragma): Interpret return code from
8703 handle_pragma_token (). Return success/failure indication rather
8704 than next unprocessed character.
8705 (pragma_getc): New function: retrieves characters from the
8706 input stream. Defined when HANDLE_PRAGMA is enabled.
8707 (pragma_ungetc): New function: replaces characters back into the
8708 input stream. Defined when HANDLE_PRAGMA is enabled.
8710 * c-pragma.c (handle_pragma_token): Return success/failure status
8713 * c-pragma.h: Change prototype of handle_pragma_token().
8715 * varasm.c: (handle_pragma_weak): Only create this function if
8716 HANDLE_PRAGMA_WEAK is defined.
8718 * c-common,c (decl_attributes): If defined call the expression
8719 contained within the INSERT_ATTRIBUTES macro before adding
8720 attributes to a decl.
8722 * tm.texi (HANDLE_PRAGMA): Document the new verion of
8723 HANDLE_PRAGMA, which takes three arguments.
8724 (INSERT_ATTRIBUTES): Document this new macro.
8726 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
8727 new INSERT_ATTRIBUTES macro.
8729 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8731 * config/sparc/sparc.md (movdf): Only generate special RTL for
8732 LABEL_REFs when PIC.
8733 (move_label_di): Remove
8734 (movdi_pic_label_ref, movdi_high_pic_label_ref,
8735 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
8736 references when PIC.
8737 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
8738 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
8739 output an .xword for all 64-bit cases.
8741 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8743 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
8744 alignment, use FUNCTION_BOUNDARY instead.
8745 (sparc_output_deferred_case_vectors): Likewise.
8747 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8749 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
8750 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
8752 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
8754 * alpha/va_list.h: New file.
8755 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
8757 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
8759 * NEWS: Add SCO Openserver and Unixware 7 notes.
8763 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
8765 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
8766 (record_constant_1): Handle RANGE_EXPR.
8768 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
8770 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
8771 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
8772 and NOTE_INSN_RANGE_END specially.
8773 (reemit_notes): Likewise.
8775 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8777 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
8778 (ultrasparc_sched_init): Remove unneeded &.
8780 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
8782 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
8783 for m68020-60, to prevent the use of fintrz.
8785 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
8787 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
8789 * Makefile.in: Likewise.
8790 * configure: Regenerated.
8792 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
8794 * configure.in (gxx_include_dir): Changed to
8795 '${prefix}/include/g++'-${libstdcxx_interface}.
8796 * configure: Rebuilt.
8798 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
8800 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
8802 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
8803 *sequences* *below* which scalar moves will be used.
8805 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
8807 * collect2.c (mktemp): Delete unused declaration.
8809 * config/xm-netbsd.h: Remove unnecessary file.
8810 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
8811 file anymore, it is not needed.
8813 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
8815 * convert.c (convert_to_integer): Issue an error on conversions to
8818 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
8820 * Makefile.in: Add lang_tree_files and gencheck.h.
8821 * configure.in: Generate them.
8822 * gencheck.c: Include gencheck.h.
8824 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8826 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
8827 movdi_lo_sum_pic and movdi_high_pic and make visible.
8828 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
8829 emit these when Pmode is not SImode.
8830 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
8832 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
8834 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
8835 .linkonce directive after the first time.
8837 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
8839 * m68k.md (beq0_di): Generate correct (and more efficient) code when
8840 the clobbered operand overlaps with an input.
8841 (bne0_di): Similarly.
8843 * Makefile.in (INSTALL): Remove "--no-header" argument.
8845 * NEWS: Various updates.
8847 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8849 * config/sparc/sparc.c (arith_operand, const64_operand,
8850 const64_high_operand, arith_double_4096_operand): Mark mode as
8852 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
8854 (sparc_emit_set_const64): Remove unused variable i.
8855 (sparc_splitdi_legitimate): Likewise for addr_part.
8856 (ultra_code_from_mask): Likewise for mask.
8857 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
8858 reverse return values so it matches usage and comments.
8859 (ultra_flush_pipeline): Likewise.
8860 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
8861 this_type, and allow loads and stores of differing FP modes as
8862 they do not create a conflict.
8863 (ultra_find_type): Initialize fpmode to SFmode, fix
8864 parenthesization thinkos in large conditional.
8865 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
8866 Init free_slot_mask after ultra_cur_hist is reset, not before.
8867 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
8868 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
8869 use ultra_flush_pipeline instead, then re-init group pointer.
8870 Fix statement with no effect. If no progress made in, and no
8871 instructions scheduled at all, advance to new pipeline cycle else
8872 we get into an endless loop.
8873 (ultrasparc_adjust_cost): Remove previous arg.
8874 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
8876 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
8878 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
8879 code. Use reg_overlap_mentioned_p to detect when source and
8880 destination overlap.
8881 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
8883 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
8885 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
8886 COMPARISON_VAL, into invariant_p.
8888 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8890 * regmove.c (regclass_compatible_p): New function.
8891 (regmove_optimize): Use it.
8893 Use NREGS parameter insted of calling max_reg_num.
8895 (fixup_match_1): Don't use code = MINUS when later tieing with
8896 a hard register is likely.
8898 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8900 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
8901 COMPARISON_VAL was normalized.
8903 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
8905 * loop.c (check_dbra_loop): The loop ending comparison value
8906 must be an invariant or we can not reverse the loop.
8908 * loop.c (scan_loop): Count down from max_reg_num - 1 to
8909 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
8911 (load_mems_and_recount_loop_regs_set): Likewise.
8913 * i386.c (print_operand): Remove obsolete 'c' docs.
8915 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
8917 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
8918 * frame.c (init_object_mutex): New function.
8919 (init_object_mutex_once): Likewise.
8920 (find_fde): Call it.
8921 (__register_frame_info): Likewise.
8922 (__register_frame_info_table): Likewise.
8923 (__deregister_frame_info): Likewise.
8925 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
8927 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
8929 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8931 * loop.c (check_dbra_loop): Enable code for reversal
8932 of some loops without a known constant loop end.
8934 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
8936 * haifa-sched.c (last_clock_var): New.
8937 (schedule_block): Initialize it.
8938 (schedule_insn): Use it to fill insn modes with issue information.
8940 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
8941 Tag trapb and next insn with TImode.
8942 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
8943 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
8944 Invoke alphaev5_align_insns as appropriate.
8945 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
8946 (MD_SCHED_VARIABLE_ISSUE): New.
8947 * alpha.md (attr type): Add multi.
8948 (define_asm_attributes): New.
8949 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
8950 (arg_home): Likewise.
8951 (fnop, unop, realign): New.
8953 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
8955 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
8956 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
8958 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
8959 (rs6000-ibm-aix4.[12]*): Likewise.
8960 * configure: Regnerate.
8962 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
8964 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
8965 already contains the return address.
8967 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
8969 * calls.c (expand_call): Use bitfield instructions to extract/deposit
8970 word sized hunks when loading unaligned args into registers.
8972 * haifa-sched.c (sched_analyze_insn): Only create scheduling
8973 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
8975 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
8977 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8979 * loop.c (check_dbra_loop): Add some code that would allow reversal
8980 of some loops without a known constant loop end if it were enabled.
8982 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
8984 * mips.md (lshrsi3_internal2+2): Fix type-o.
8986 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8988 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
8989 correctly with regards to stdio.h.
8991 * calls.c: Remove stdarg.h/varargs.h.
8994 * combine.c: Likewise.
8995 * cpperror.c: Likewise.
8996 * cpplib.c: Likewise.
8997 * cpplib.h: Likewise.
8998 * doprint.c: Likewise.
8999 * emit-rtl.c: Likewise.
9000 * final.c: Likewise.
9001 * fix-header.c: Likewise.
9003 * genattr.c: Likewise.
9004 * genattrtab.c: Likewise.
9005 * gencodes.c: Likewise.
9006 * genconfig.c: Likewise.
9007 * genemit.c: Likewise.
9008 * genextract.c: Likewise.
9009 * genflags.c: Likewise.
9010 * genopinit.c: Likewise.
9011 * genoutput.c: Likewise.
9012 * genpeep.c: Likewise.
9013 * genrecog.c: Likewise.
9014 * mips-tfile.c: Likewise.
9015 * prefix.c: Likewise.
9016 * protoize.c: Likewise.
9017 * regmove.c: Likewise.
9018 * toplev.c: Likewise.
9021 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
9023 * config/sparc/sparc.c (sparc_override_options): If not
9024 TARGET_FPU, turn off TARGET_VIS.
9025 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
9026 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
9027 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
9028 (movdi_insn_sp64): Add VIS fzero alternative.
9029 (clear_sf, clear_df): New VIS patterns.
9030 (movsf, movdf expanders): Allow fp_zero_operand flat out when
9032 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
9034 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
9036 * loop.c (n_times_set, n_times_used, may_not_optimize,
9037 reg_single_usage): Convert to varrays. All uses changed.
9038 (insert_loop_mem): Return a value.
9039 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
9040 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
9043 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
9046 * configure.in: Do not set thread_file to "irix" since no such
9049 * sparc.md (float abs/neg splits): Check reload_completed before
9050 calling alter_subreg.
9052 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9054 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
9056 * config/sparc/sparc.h: Declare it.
9057 * config/sparc/sparc.md (float abs/neg splits): Use it.
9058 (all other splits): Handle SUBREGs properly where necessary.
9059 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
9061 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
9063 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
9064 an insn on the unfilled_slots_list that has no delay slots.
9065 (fill_eager_delay_slots): Similarly.
9067 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
9069 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
9070 as an ordinary operand.
9072 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
9074 * tree.c (valid_machine_attribute): Don't apply attributes to both
9077 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
9079 * reload.c (operands_match_p): Handle rtvecs.
9081 * i386.c (legitimate_pic_address_disp_p): New.
9082 (legitimate_address_p): Use it.
9083 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
9084 Handle constant pool symbols just like statics.
9085 (emit_pic_move): Use Pmode not SImode for clarity.
9086 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
9087 [UNSPEC]: New, handling what we killed above.
9088 [PLUS]: Detect and abort on invalid symbol arithmetic.
9089 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
9091 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
9093 * alias.c: Include output.h.
9094 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
9095 different if we're in a varargs function.
9096 * Makefile.in (alias.o): Depend on output.h
9098 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9100 * sh.h (GIV_SORT_CRITERION): Delete.
9102 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
9104 * regclass.c (regclass): Use xmalloc/free instead of alloca.
9105 * stupid.c (stupid_life_analysis): Ditto.
9106 * reload1.c (reload): Ditto.
9108 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
9110 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
9111 arith_double_4096_operand, arith_double_add_operand): New
9113 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
9114 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
9115 them to transform add/sub 4096 into add/sub -4096.
9117 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9119 * loop.c (scan_loop): Allocate some slop to handle pseudos
9120 generated by move_movables.
9121 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
9124 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
9126 * tree.def (DECL_RESULT): Correct documentation.
9128 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9130 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
9131 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
9132 conflicts will all RELOAD_FOR_OUTPUT reloads.
9134 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
9135 loads the function result, substitute with a USE.
9137 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
9139 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
9140 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
9141 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
9142 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
9143 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
9144 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
9146 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
9147 'o' to 'm' for GPR variant constraints.
9149 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
9151 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
9153 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
9155 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
9156 when the source and destination overlap.
9158 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
9159 clash with global type.
9161 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
9163 * fixinc.irix: Add curses.h handling from fixinc.wrap.
9165 * c-common.c (combine_strings): Also set TREE_READONLY.
9166 Change warn_write_strings to flag_const_strings.
9167 * c-decl.c, c-tree.h: Likewise.
9169 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9171 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
9172 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
9173 sequence, use SET/IOR instead so CSE can see it.
9174 * config/sparc/sparc.md (movhi_const64_special,
9175 movsi_const64_special): New patterns necessitated by that change.
9176 (movhi_high): Remove.
9177 (movhi_lo_sum): Change to match an IOR.
9178 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
9179 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
9180 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
9181 (movdf splits): Allow when not V9 or when not ARCH64 and integer
9182 registers are involved.
9183 (snesi_zero_extend split): Remove reload_completed test.
9184 (unnamed plus and minus zero_extend sidi splits): Add it.
9186 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
9188 * extend.texi: Remove description of extension to explicit
9189 instantiation that is now endorsed by standard C++.
9191 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9193 * config/arc/arc.c (arc_initialize_pic): Remove.
9194 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
9195 nothing on any platform and is invoked by no-one, it does not even
9196 appear in the documentation.
9197 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
9198 * config/sparc/sparc.c (initialize_pic): Likewise.
9199 (find_addr_reg): Remove this as well, no longer referenced after
9202 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
9204 * recog.c (validate_replace_rtx_group): New function.
9205 * recog.h (validate_replace_rtx_group): Declare it.
9206 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
9207 the entire group of substitutions.
9209 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
9211 * loop.c (load_mems): Fix initializers.
9213 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9215 * config/sparc/sparc.md (TFmode splits): Handle destination
9216 registers being referenced in the address correctly.
9218 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
9219 TREE_UNSIGNED, when bitsize of type's mode is larger than
9220 HOST_BITS_PER_WIDE_INT.
9222 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
9224 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
9225 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
9226 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
9228 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
9231 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
9233 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
9234 * h8300.h (TINY_DATA_NAME_P): Likewise.
9235 (STRIP_NAME_ENCODING): Handle '&'.
9237 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
9238 register (it could be accessed via an outer SUBREG).
9239 (REG_OK_FOR_BASE_P): Likewwise.
9240 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
9242 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
9245 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
9247 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9249 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
9250 must be offsettable so the splits can be made.
9252 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
9254 * config/i386/winnt.c: Include system.h, not stdio.h to get
9255 sys/param.h pulled in before rtl.h in case the system defines MIN
9258 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
9260 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
9262 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
9264 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
9266 * cpplib.c (cpp_define): Handle macros with parameters.
9268 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
9270 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
9271 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
9272 and DImode 64-bit. Use llong for minimal-toc SFmode and
9273 SYMBOL_REF / LABEL_REF 64-bit.
9274 (output_function_profiler): Use llong for profiler label and ld to
9275 load 64-bit label address.
9277 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
9279 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
9282 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
9284 * version.c: Bump for snapshot.
9286 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
9288 * version.c: Bump for snapshot.
9290 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
9292 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
9294 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
9296 * tm.texi (Misc): Fix typo "teh".
9298 * tm.texi (PIC): Fix typo "PPIC".
9300 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
9301 effect when -O2 and higher.
9302 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
9304 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
9306 * regclass.c: Changed register set documentation to be consistent
9309 * final.c (final_start_function) Removed redundant test for
9312 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
9314 * rtl.h (rtx_function): New type.
9315 (for_each_rtx): New function.
9316 * rtlanal.c (for_each_rtx): Define it.
9318 * recog.c (change_t): New type.
9319 (change_objects, change_old_codes, change_locs, change_olds):
9321 (changes): New variable.
9322 (validate_change): Dynamically allocate room for more changes, if
9323 necessary. Uses changes array instead of change_objects, etc.
9324 (apply_change_group): Use changes array instead of
9325 change_objects, etc.
9327 * loop.c (loop_mem_info): New type.
9328 (loop_mems): New variable.
9329 (loop_mems_idx): Likewise.
9330 (looop_mems_allocated): Likewise.
9331 (scan_loop): Remove nregs parameter.
9332 (next_insn_in_loop): New function.
9333 (load_mems_and_recount_loop_regs_set): Likewise.
9334 (load_mems): Likewise.
9335 (insert_loop_mem): Likewise.
9336 (replace_loop_mem): Likewise.
9337 (replace_label): Likewise.
9338 (INSN_IN_RANGE_P): New macro.
9339 (loop_optimize): Don't pass max_reg_num() to scan_loop.
9340 (scan_loop): Remove nregs parameter, compute it after any new
9341 registers are created by load_mems. Use INSN_IN_RANGE_P and
9342 next_insn_in_loop rather than expanding them inline. Call
9343 load_mems to load memory into pseudos, if appropriate.
9344 (prescan_loop): Figure out whether or not there are jumps from the
9345 loop to targets other than the label immediately following the
9346 loop. Call insert_loop_mem to notice all the MEMs used in the
9347 loop, if it could be safe to pull MEMs into REGs for the duration
9349 (strength_reduce): Use next_insn_in_loop. Tweak comments.
9351 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
9353 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
9355 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9357 * config/sparc/sparc.c (finalize_pic): Check for the correct
9358 nonlocal_goto_receiver UNSPEC number.
9359 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
9360 making note of this dependency existing in sparc.c
9361 (negtf2_notv9 split): Give NEG SFmode.
9362 (negsf2): Fix insn output string.
9364 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
9366 * c-common.c (decl_attributes): Issue an error if the argument
9367 to alias is not a string.
9369 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
9371 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
9372 pending memory flush list.
9374 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
9376 (try_combine): Allow combining insns with REG_LIBCALL notes.
9378 * expr.c (emit_block_move): Do not call memcpy as a libcall
9379 instead build up a CALL_EXPR and call it like any other
9381 (clear_storage): Similarly for memset.
9383 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
9386 * Makefile.in (cplus-dem.o): Provide explicit rules for building
9389 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
9390 and REG_LIVE_LENGTH as successful substitutions are made.
9392 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9394 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
9395 statement after end of loop label.
9397 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9399 * config/sparc/sparc.c (ultra_types_avail): New variable.
9400 (ultra_build_types_avail): New function to record mask of insn
9401 types in ready list at this cycle.
9402 (ultrasparc_sched_reorder): Call it.
9403 (ultra_find_type): Use it to quicken the search. Also simplif
9404 dependency check, don't use rtx_equal_p because we know exactly
9405 what we are looking for.
9407 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
9409 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
9410 for architecture v4.
9412 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9414 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
9416 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
9417 movdf_const_intreg and helper splits): New patterns to move float
9418 constants into integer registers.
9419 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
9422 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
9425 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
9427 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
9429 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
9430 a BASE_REGS register is needed as an intermediate when copying
9431 a symbolic value into any register class other than BASE_REGS.
9433 * expr.c (move_by_pieces): No longer static. Remove prototype.
9434 * rtl.h (move_by_pieces): Add extern prototype.
9435 * mips.c (expand_block_move): Handle aligned straight line copy by
9436 calling move_by_pieces.
9438 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
9441 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
9443 * stmt.c (expand_end_loop): Tidy. Allow unconditional
9444 jumps out of the loop to be treated as part of the exit test.
9446 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9447 Jeff Law <law@cygnus.com>
9449 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
9450 * cplus-dem.c: Delete.
9452 * Makefile.in (fold-const.o): depend on $(RTL_H).
9454 * fold-const.c: Include rtl.h to get the prototype for
9455 `set_identifier_local_value'.
9457 * loop.c (express_from_1): Remove unused variable `tmp'.
9458 (combine_givs): cast the first argument of bzero to char *.
9460 * toplev.c (display_help): Remove unused variable `looking_for_start'.
9462 * c-decl.c (init_decl_processing): Remove unneeded &.
9464 * alpha.h (alpha_initialize_trampoline): Provide prototype.
9466 * except.c (set_exception_lang_code, set_exception_version_code):
9467 Change parameter from `short' to `int' to avoid using a gcc
9470 * except.h (set_exception_lang_code, set_exception_version_code):
9471 Likewise for prototypes.
9473 * flow.c (count_reg_references): Remove unused variables `regno'
9476 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
9478 * prefix.c (translate_name): Cast the result of `alloca'.
9480 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
9482 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
9484 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
9486 (valid_dbcc_comparison_p): Mark mode argument as unused.
9487 (symbolic_operand): Likewise.
9488 (legitimize_pic_address): Likewise.
9489 (const_uint32_operand): Likewise.
9490 (const_sint32_operand): Likewise.
9491 * sched.c [!INSN_SCHEDULING]: Define only dummy function
9492 schedule_insns and comment out rest of file.
9494 * m68k.c (output_move_simode_const): Use subl to move a zero into an
9496 (output_move_[hq]imode): Likewise.
9498 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
9500 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
9501 * invoke.texi: Corresponding changes.
9503 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
9505 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
9507 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9509 * config/sparc/sparc.c (ultra_code_from_mask,
9510 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
9511 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
9512 ultrasparc_sched_init, ultrasparc_variable_issue,
9513 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
9514 functions to describe UltraSPARC pipeline exactly to Haifa.
9515 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
9516 as there is nothing the scheduler can do about it. Indicate that
9517 REG_DEP_OUTPUT's collide. Fixup formatting.
9518 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
9519 divide costs on Ultra for DImode.
9520 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
9522 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
9523 ieuN and add call_no_delay_slot to type list.
9524 (cti function unit): New unit for branches on UltraSPARC.
9525 (subx/addx insns): Set type to misc.
9526 (sidi zero/sign extension insns on arch64): Set type to shift.
9527 (sign_extendhidi2_insn): Set type to sload.
9529 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
9531 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
9532 (output_epilog): Use if != 0 for offset.
9533 (rs6000_fatal_bad_address): Prepare for Intl.
9534 * rs6000.h (rs6000_fatal_bad_address): Declare.
9535 * rs6000.md (movsfcc, movdfcc): Use else if.
9536 (elf_high): Use {liu|lis}.
9537 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
9538 (movsi): Use rs6000_fatal_bad_address.
9540 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
9542 * reload.c (find_equiv_reg): Reject equivalences separated
9543 by a volatile instruction.
9545 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9547 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
9549 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
9551 * alpha.md (movsicc): Fix mode mismatch.
9553 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
9555 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
9557 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
9559 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9561 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
9562 write-only modifier from operand 1 constraint.
9564 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9566 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
9567 emitting a XOR of -1 at the end, emit a NOT instead for combine's
9569 (sparc_emit_set_const64): Likewise, also when computing trailing
9570 bits do not negate low_bits and make fast_int an int.
9572 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
9574 * loop.c (add_label_notes): Do not ignore references to labels
9575 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
9576 * gcse.c (add_label_notes): Similarly.
9578 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
9580 * m68k.md (adddi_dilshr32): One of the operands must be a register.
9581 (adddi_dishl32): Similarly.
9583 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
9585 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
9586 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
9587 * cse.c (cse_basic_block): Add parens to shut up warnings.
9589 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9591 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
9592 sparc_emit_set_const64_longway, const64_is_2insns,
9593 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
9594 in 64-bit constant formation.
9595 * config/sparc/sparc.md (snesi_zero_extend split): Generate
9596 rtl for addx not subx.
9597 (define_insn movdi_const64_special): Make available even when
9598 HOST_BITS_PER_WIDE_INT is not 64.
9599 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
9600 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
9601 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
9602 instances of operand 1 inside a QI subreg.
9603 (xordi3_sp64_dbl): Remove '%' constraint for op1.
9604 (one_cmpldi2_sp64): Fix output string.
9605 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
9607 (unnamed arch64 ashift DI): Truncate shift count if greater than
9610 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9612 * expr.c (store_expr): Don't optimize away load-store pair
9613 when either source or destination have a side effect.
9615 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
9617 * genrecog.c (add_to_sequence): Fatal error if the modes of the
9618 operands of SET are incompatible.
9620 * alpha.md: Fix max and min patterns so modes of SET operands match.
9622 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
9624 * configure.in: Avoid [[ by using test and changequote.
9625 * configure: Rebuild.
9627 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9629 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
9631 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
9632 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
9633 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
9634 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
9635 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
9636 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
9637 Fix mismatching modes in SET operands.
9638 (conditional move patterns): Fix formatting.
9639 (unnamed subx arch64 pattern): Remove duplicate insn.
9641 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9643 * config/sparc/sparc.c (const64_operand, const64_high_operand):
9644 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
9645 (input_operand): Fixup test for what we accept for constant
9647 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
9649 (safe_constDI): Remove.
9650 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
9651 gen_safe_XOR64): New functions.
9652 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
9653 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
9655 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
9656 available when HOST_BITS_PER_WIDE_INT is not 64.
9657 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
9658 move before movdi_insn_sp64 pattern.
9659 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
9660 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
9661 symbolic_operand as predicate for second operand.
9662 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
9663 expander): Give set VOIDmode.
9665 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
9667 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
9669 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
9671 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
9673 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
9675 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
9677 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
9679 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
9681 * install.texi: Various SCO OpenServer tweaks.
9683 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
9685 * reload1.c (eliminate_regs_in_insn): Handle another case when
9686 eliminating the frame pointer to the hard frame pointer. Add
9687 missing ep->to_rtx check to one existing case.
9689 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
9691 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
9693 * tree.h: De-conditionalize init_priority code.
9695 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
9696 * collect2.c (NM_FLAGS): Change from -p to -n.
9698 * configure.in: Turn on collect2 for mipstx39-elf.
9699 Handle use_collect2=no properly.
9701 * c-common.c: De-conditionalize init_priority code.
9702 * collect2.c (extract_init_priority, sort_ids): New fns.
9703 (main): Call sort_ids.
9704 Move sequence_number to file scope.
9706 * configure.in: Handle --enable-init-priority.
9707 * c-common.c (attrs): Add A_INIT_PRIORITY.
9708 (init_attributes, decl_attributes): Likewise.
9709 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
9710 * tree.c (get_file_function_name_long): Split out...
9711 (get_file_function_name): ...from here.
9713 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
9715 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
9718 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
9720 * toplev.c (display_help): Add braces to shut up warnings.
9721 * tree.c (simple_cst_equal): Likewise.
9723 * fold-const.c (non_lvalue): Don't deal with null pointer
9725 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
9727 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
9728 of any size to a pointer.
9730 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
9732 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
9734 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
9736 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
9737 which will be saved.
9738 * mn10300.md (prologue insn): Only save registers which need saving.
9739 (epilogue insn): Similarly.
9741 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
9744 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
9746 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
9747 VAR_DECL's in gp addressable sections.
9749 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
9751 * sparc.c: Change return <exp> to <exp>; return; in functions
9753 * sparc.md: Add empty semicolon statement after final label in
9756 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9758 * config/sparc/sparc.md (define_insn addx_extend): Rename to
9759 addx_extend_sp64, only allow when TARGET_ARCH64.
9760 (define_insn addx_extend_sp32 and split): Version that works when
9762 (define_insn subx_extend): Likewise.
9763 (define_split adddi3 and subdi3 with zero extension): Fixup and
9764 correct bugs when not TARGET_ARCH64.
9766 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
9768 * except.c (set_exception_lang_code, set_exception_version_code):
9769 Use prototype-style definition if __STDC__, to match declaration
9772 * genemit.c: Change FAIL and DONE macros not to use loops.
9774 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
9776 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
9777 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
9779 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
9781 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
9783 * README.g77: Update from Craig.
9785 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9787 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
9789 (safe_constDI sparc_emit_set_const64_quick1,
9790 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
9791 analyze_64bit_constant, const64_is_2insns,
9792 create_simple_focus_bits): Fix some bugs when compiled on real
9794 (function_arg_record_value_3, function_arg_record_value_2,
9795 function_arg_record_value): Add fully prototyped forward decls.
9796 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
9797 to cmpsi_insn and use on both 64 and 32 bit targets.
9798 (define_insn cmpsi_insn_sp64): Remove.
9799 (define_expand zero_extendsidi2): Allow for 32-bit target too.
9800 (define_insn zero_extendsidi2_insn): Rename to
9801 zero_extendsidi2_insn_sp64.
9802 (define_insn zero_extendsidi2_insn_sp32): New pattern and
9803 assosciated forced split for it.
9805 * config/sparc/sparc.c (const64_operand, const64_high_operand):
9807 * config/sparc/sparc.h: Declare them.
9808 (PREDICATE_CODES): Add them.
9809 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
9810 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
9812 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
9814 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
9815 in v9 case as the latter makes the Solaris assembler crash.
9817 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9819 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
9820 for TFmode when !v9. We require offsettable memory addresses.
9821 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
9822 DFmode register number conversions.
9823 * config/sparc/sparc.md (define_split DFmode moves): If register
9824 is a SUBREG do alter_subreg on it before using.
9825 (define_expand movtf): Fixup comment about alignment on v9.
9826 (define_split TFmode moves): Don't use gen_{high,low}part, create
9827 explicit SUBREGs instead.
9829 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
9831 * Makefile.in (mbchar.o): Depend on mbchar.c.
9833 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9834 Richard Henderson <rth@cygnus.com>
9836 Rewrite Sparc backend for better code generation and
9837 improved sparc64 support.
9838 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
9840 * config/sparc/sysv4.h: Likewise.
9841 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
9842 move_operand, v8plus_regcmp_op, emit_move_sequence,
9843 singlemove_string, doublemove_string, mem_aligned_8,
9844 output_move_double, output_move_quad, output_fp_move_double,
9845 move_quad_direction, output_fp_move_quad, output_scc_insn):
9847 (small_int_or_double): New predicate.
9848 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
9849 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
9850 old pic_{sethi,lo_sum}_si patterns.
9851 (mem_min_alignment): New generic function to replace
9852 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
9853 available and can test for arbitrary alignments. All callers
9855 (save_regs, restore_regs, build_big_number,
9856 output_function_prologue, output_cbranch, output_return,
9857 sparc_flat_save_restore, sparc_flat_output_function_prologue,
9858 sparc_flat_output_function_epilogue): Prettify
9860 (output_function_epilogue): Likewise and add code to output
9861 deferred case vectors.
9862 (output_v9branch): Likewise, add new arg INSN and use it to tack
9863 on branch prediction settings. All callers changed.
9864 (print_operand): Likewise and output %l44 for LO_SUMs when
9866 (sparc_splitdi_legitimate): New function to make sure DImode
9867 splits can be run properly when !arch64.
9868 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
9869 Reformat example code in comments.
9870 (set_extends): Remove UNSPEC/v8plus_clear_high case.
9871 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
9872 of deferred case vectors we need to output.
9873 (sparc_defer_case_vector): Record a case vector.
9874 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
9875 sparc_output_deferred_case_vectors): New functions to output them.
9876 (sparc_emit_set_const32): New function to form 32-bit constants in
9877 registers when that requires more than one instruction.
9878 (safe_constDI, sparc_emit_set_const64_quick1,
9879 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
9880 analyze_64bit_constant, const64_is_2insns,
9881 create_simple_focus_bits, sparc_emit_set_const64): New functions
9882 which do the same for 64-bit constants when arch64.
9883 (sparc_emit_set_symbolic_const64): New function to emit address
9884 loading for all code models on v9.
9885 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
9886 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
9887 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
9888 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
9889 inaccuracies in comments, add symbolic and text_segment operands
9890 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
9891 GENERAL_REGS in these cases as a temp REG is needed to load these
9892 addresses into a register properly.
9893 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
9895 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
9896 quads are guarenteed to have 16-byte alignment.
9897 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
9898 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
9899 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
9900 deferred case vector implementation.
9901 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
9902 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
9903 Generate "internal label - label" instead of "label - 1b".
9904 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
9905 (PREDICATE_CODES): Remove sparc_operand, move_operand,
9906 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
9908 (doublemove_string, output_block_move, output_fp_move_double,
9909 output_fp_move_quad, output_move_double, output_move_quad,
9910 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
9911 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
9912 (sparc_emit_set_const32, sparc_emit_set_const64,
9913 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
9914 mem_min_alignment, small_int_or_double): Add externs.
9915 * config/sparc/sparc.md: Document the many uses of UNSPEC and
9916 UNSPEC_VOLATILE in this backend.
9917 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
9918 unary to types which execute in it.
9919 (define_function_unit ieu_shift): Rename to ieu0.
9920 (define_function_unit ieu1): New, executes compare, call, and
9921 uncond_branch type insns.
9922 (define_function_units for type fdivs, fdivd, fsqrt): These
9923 execute in the fpu multiply unit not the adder on UltraSparc.
9924 (define_expand cmpdi): Disallow TARGET_V8PLUS.
9925 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
9926 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
9927 allows the arith_double_operand predicate and rHI constraint when
9929 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
9930 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
9931 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
9932 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
9933 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
9934 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
9935 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
9936 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
9937 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
9938 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
9939 sign_extendqihi2_insn, sign_extendqisi2_insn,
9940 sign_extendqidi2_insn, sign_extendhidi2_insn,
9941 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
9942 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
9943 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
9944 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
9945 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
9946 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
9947 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
9948 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
9949 smulsi3_highpart_v8plus, unnamed subreg mult,
9950 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
9951 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
9952 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
9953 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
9954 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
9955 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
9956 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
9957 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
9958 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
9959 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
9960 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
9961 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
9962 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
9963 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
9964 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
9965 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
9966 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
9967 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
9968 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
9969 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
9970 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
9971 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
9972 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
9973 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
9974 call_address_untyped_struct_value_sp32,
9975 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
9976 call_value_symbolic_sp32, call_value_address_sp64,
9977 call_value_symbolic_sp64, branch_sp32, branch_sp64,
9978 flush_register_windows, goto_handler_and_restore,
9979 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
9980 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
9981 return_addsi, return_di, return_adddi, return_sf, all call+jump
9982 peepholes, trap, unnamed trap insns): Prettify output strings.
9983 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
9984 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
9985 Likewise and force + implement splits for integer cases.
9986 (define_insn return_sf_no_fpu): Likewise and allow to match when
9987 no-fpu because of our subreg SFmode splits.
9988 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
9989 zero_extendqidi2_insn, zero_extendhidi2_insn,
9990 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
9991 input_operand for second operand.
9992 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
9993 reg_or_0_operand for operand 2 so new splits can use it.
9994 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
9995 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
9997 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
9998 CONST_DOUBLEs for operand 2.
9999 (define_insn move_label_di): Likewise and label distance
10000 optimization because it no longer works with new deferred case
10001 vector scheme. To be revisited.
10002 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
10003 and allow reg_or_0_operand and J constraint for second operand.
10004 (define_insn jump): Set branch predict taken on V9.
10005 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
10006 new deferred case vector scheme.
10007 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
10008 (define_insn negdi2_sp32): Force + implement splits.
10009 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
10010 one_cmplsi2_not_liveg0 respectively, and create expander of original
10011 names which emit special rtl for TARGET_LIVE_G0.
10012 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
10013 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
10014 gen_compare_reg, FAIL instead.
10015 (define_insn sgtu, sleu): Likewise and check gen_s*() return
10016 values when trying to reverse condition codes, if they FAIL then
10018 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
10019 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
10020 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
10021 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
10022 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
10023 set output string to # to indicate they are mandatory splits.
10024 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
10025 pic_sethi_di, move_pic_label_si): Remove.
10026 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
10027 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
10029 (define_expand movsi_pic_label_ref, define_insn
10030 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
10031 expander and insns to handle PIC label references and deferred
10033 (define_insn get_pc_via_rdpc): Comment out as it is no longer
10035 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
10036 Rewrite to not use emit_move_sequence, make use of new constant
10037 formation code, and new splits for all multi-insn cases.
10038 (define_insn movqi_insn): Remove sethi case, it can never happen.
10039 Use reg_or_zero_operand instead of const0_rtx explicit test,
10040 use input_operand instead of move_operand for source, and use
10041 general_operand now for dest.
10042 (define_insn movhi_insn): Similar but leave sethi case.
10043 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
10044 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
10045 movhi_lo_sum respectively, prettify output string.
10046 (define_insn movsi_zero_liveg0): New pattern to put zero into a
10047 register when needed on TARGET_LIVE_G0.
10048 (define_insn movsi_insn): Use general_operand and input_operand
10049 for dest and src respectively. Simplify applicability test.
10050 Prettify output strings, and add clr alternative for J
10052 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
10053 deprecated std and reg-reg DI moves): Remove and...
10054 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
10055 implementation which uses forced splits for all non-single insn
10057 (define_split DI move cases on !arch64): New splits to handle all
10058 situations of 64-bit double register DImode on 32bit, and
10059 unaligned registers and memory addresses for all subtargets.
10060 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
10062 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
10063 input_operand for dest and src respectively, prettify output
10065 (define_insn movdf_insn, movdf_no_e_insn, store_df,
10066 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
10068 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
10069 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
10070 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
10071 movtf_no_e_insn_sp64) Replace with new
10072 implementation which uses forced splits for all non-single insn
10074 (define_split DF move cases): New splits in similar vein to DI
10076 (define_insn sethi_di_medlow, sethi_di_medium_pic,
10077 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
10078 movdi_sp64_insn): Remove old v9 code model and constant loading
10079 support insns and..
10080 (define_insn pic_lo_sum_di, pic_sethi_di,
10081 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
10082 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
10083 embmedany_sethi, embmedany_losum, embmedany_brsum,
10084 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
10085 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
10086 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
10087 scheme, using unspecs, secondary reloads, and one to one sparc
10088 insn to rtl insn mapping for better scheduling and code gen.
10089 (define_expand reload_indi, reload_outdi): Reload helpers for
10090 MEDANY and EMBMEDANY symbol address loading cases which require a
10091 temporary register.
10092 (define_expand movsicc): Remove v8plus_regcmp cases.
10093 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
10094 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
10095 cmp_diqi_trunc_set): New patterns used by some of the new scc
10097 (define_insn xordi3_sp64_dbl): New pattern used for constant
10098 formation when crossing from 32-bit targets.
10099 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
10101 (define_insn addx, subx): Make visible and prettify.
10102 (define_insn adddi3_insn_sp32): Likewise and force split.
10103 (define_insn addx_extend, subx_extend, unnamed): New patterns for
10104 64bit scc split usage.
10105 (define_insn unnamed plusDI zero_extend, unnamed minusDI
10106 zero_extend, subdi3): Force and implement splits.
10108 * final.c (final_scan_insn): Don't output labels if target
10109 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
10112 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
10113 don't forget to walk inside SEQUENCESs too as these are what the
10114 delay slot scheduler will create.
10116 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
10118 * alpha.md (extxl+1,+2): New patterns to work around
10121 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
10123 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
10124 caused bad assembly code to be generated.
10126 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
10128 * netbsd.h: Fix typo.
10130 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
10132 * config.sub: Fix typo.
10134 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
10136 * invoke.texi (Environment Variables): Typo: Change "ascpects"
10138 (Running Protoize): Typo: Change "ther" into "other".
10140 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
10142 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
10143 * m68k/netbsd.h: Likewise.
10144 * ns32k/netbsd.h: Likewise.
10145 * sparc/netbsd.h: Likewise.
10147 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
10149 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
10150 * ginclude/va-clipper.h (va_list): Likewise.
10152 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
10154 * rs6000.c (rs6000_override_options): If big endian and -Os, use
10155 load/store multiple instructions unless user overrides.
10157 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
10159 * ns32k/netbsd.h: Fix typo.
10161 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
10163 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
10164 labels with .debugsym if no parallel insns.
10166 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
10168 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
10169 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
10171 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
10173 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
10174 (AR_FOR_TARGET): Define.
10176 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
10178 * dyn-string.h: New file.
10179 * dyn-string.c: Likewise.
10180 * Makefile.in (OBJS): Add dyn-string.o.
10181 (dwarf2out.o): Add dyn-string.h dependency.
10182 (dyn-string.o): List dependencies.
10183 * dwarf2out.c: Include dyn-string.h.
10184 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
10185 (addr_const_to_string): Take a dyn_string_t, not a char* as a
10186 prototype. Use dyn_string_append rather than strcat, throughout.
10187 (addr_to_string): Use dyn_string_t.
10189 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
10191 Function entry/exit profiling instrumentation:
10192 * expr.h (profile_function_entry_libfunc,
10193 profile_function_exit_libfunc): Declare new variables.
10194 * optabs.c: Define them here.
10195 (init_optabs): Initialize them.
10196 * tree.h (struct tree_decl): New flag
10197 no_instrument_function_entry_exit.
10198 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
10199 * c-decl.c (duplicate_decls): Merge it.
10200 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
10201 (init_attributes): Use it for "no_instrument_function".
10202 (decl_attributes): Handle it, for functions that have not yet been
10203 compiled. Set decl flag.
10204 * flags.h (flag_instrument_function_entry_exit): Declare new
10206 * toplev.c (flag_instrument_function_entry_exit): Define it here.
10207 (f_options): New option "instrument-functions".
10208 * function.h (struct function): New field instrument_entry_exit.
10209 * function.c (current_function_instrument_entry_exit): New
10211 (push_function_context_to, pop_function_context_from): Save and
10213 (expand_function_start): Set current_ variable, maybe emit return
10214 label and entry profile call.
10215 (expand_function_end): Maybe emit exit profile call.
10217 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
10219 * i386.md (movqi): When optimizing a load of (const_int 1) into a
10220 NON_QI_REG_P, pretend the register is SImode.
10222 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
10224 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
10225 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
10226 manufacturer id for ns32k.
10227 * configure: Regenerated.
10228 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
10229 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
10230 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
10231 * config/m68k/netbsd.h: Same.
10232 * config/ns32k/netbsd.h: Same.
10233 * config/sparc/netbsd.h: Same.
10235 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
10237 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
10238 or UNROLL_COMPLETELY loop that starts with a jump to its
10241 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
10243 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
10244 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
10245 (print_operand, case 'B'): Don't fall through.
10246 (print_operand, case 'S'): Correct mask begin/end computation.
10247 Use HOST_BITS_PER_WIDE_INT.
10248 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
10249 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
10250 * rs6000/aix41.h (CPP_PREDEFINES): Same.
10251 * rs6000/aix43.h (CPP_PREDEFINES): Same.
10253 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
10255 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
10256 constraint from second alternative.
10258 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
10260 * configure.in: Fix --without/--disable cases for local-prefix,
10261 gxx-include-dir and checking.
10263 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10265 * configure.in (enable_haifa): Set by default for sparc64 too.
10266 configure: Rebuilt.
10268 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
10270 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
10271 * i386/winnt.c (associated_type): New fn.
10272 (i386_pe_valid_type_attribute_p): New fn.
10273 (i386_pe_check_vtable_importexport): Remove.
10274 (i386_pe_dllexport_p): Use associated_type.
10275 (i386_pe_dllimport_p): Likewise.
10277 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
10278 * i386.c (i386_valid_type_attribute_p): Also accept
10279 attributes for METHOD_TYPEs.
10281 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
10283 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
10285 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
10287 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
10289 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
10290 them from generating a new base name for each occurence of
10293 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
10295 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
10297 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
10301 * cplus-dem.c (type_kind_t): New type.
10302 (demangle_template_value_parm): Add type_kind_t parameter. Rely
10303 on this paramter, rather than demangling the type again.
10304 (demangle_integral_value): Pass tk_integral.
10305 (demangle_template_: Pass the value returned from do_type.
10306 (do_type): Return a type_kind_t. Pass tk_integral to
10307 demangle_template_value_parm for array bounds.
10308 (demangle_fund_type): Likewise.
10310 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
10312 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
10315 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
10317 * pa.c (move_operand): Accept CONSTANT_P_RTX.
10319 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
10321 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
10323 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
10326 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
10328 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
10329 (DEBUGGER_ARG_OFFSET): Likewise.
10331 * mn10300.md (movsf): Remove last change. Not needed.
10333 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
10335 * c-lex.c (yylex): Fix boundary conditions in character literal and
10336 string literal loops.
10338 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
10340 * longlong.h (count_leading_zeros): Sparclite scan instruction was
10341 being invoked incorrectly.
10343 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
10344 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
10346 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
10347 * configure.in: Added i[34567]86-*-win32
10348 * config.sub: Ditto.
10349 * configure: Rebuilt.
10351 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
10353 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
10354 the frame pointer and compiling PIC code and reload has not completed.
10356 * i386.c (output_to_reg): Add code to emulate non-popping DImode
10359 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
10361 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
10363 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10365 * Makefile.in (install-info): Only try to update the info
10366 directory file if it exists in the first place.
10368 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
10370 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
10372 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
10374 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
10375 CONST_DOUBLE source.
10377 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
10379 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
10380 strings as the insertion of USER_LABEL_PREFIX.
10381 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
10383 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
10386 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
10388 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
10389 already defined type.
10391 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
10393 * expr.c (check_max_integer_computation_mode): Allow conversions
10394 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
10395 (expand_expr): Likewise.
10397 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
10399 * expr.c (expand_expr): Expand RETURN_EXPR.
10401 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
10403 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
10405 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
10407 * dwarf2out.c (output_aranges): Call stripattributes
10408 for TEXT_SECTION references.
10409 (output_line_info): Likewise.
10411 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10413 * profile.c (branch_prob): Call allocate_reg_info after outputting
10414 profile rtl in instrument_arcs.
10416 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
10418 * fixinc.irix (math.h): Install wrapper instead of copying.
10420 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
10422 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
10423 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
10424 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
10425 lang_flag_0. Added documentation in the flag table.
10427 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
10429 * cccp.c (do_include): Fix vax c style include handling.
10431 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
10433 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
10435 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
10437 * fold-const.c (non_lvalue): Don't deal with null pointer
10439 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
10441 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
10443 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
10444 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
10445 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
10446 (u_short_cint_operand): Same.
10447 (reg_or_cint_operand): Same.
10448 (logical_operand): Same.
10449 (input_operand): Same.
10450 (reg_or_short_operand): Use u_short_cint_operand.
10452 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
10454 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
10455 but keep the insns and splits. Adjust so when the ultimate destination
10456 is memory, use cvtql.
10458 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
10460 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
10462 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
10464 * gcc.c (do_spec): Call "error" not "warning".
10466 * configure.in: Fix minor problems with gas feature detection code.
10467 * configure: Rebuilt.
10469 * gcc.c (do_spec): Issue a warning for '%[]' usage.
10471 * Undo this change.
10472 * gcc.c: Delete %[spec] support.
10473 (do_spec_1, case '('): Likewise.
10474 (do_spec_1, case '['): Call error.
10476 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
10478 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
10479 (CPP_SUBTARGET_SPEC): Default to empty string.
10480 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
10481 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
10482 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
10483 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
10485 * alpha/linux.h (CPP_PREDEFINES): Tidy.
10486 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
10487 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
10488 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
10489 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
10490 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
10491 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
10492 * alpha/vxworks.h: Likewise.
10494 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
10496 * mips.md (reload_outsi): Added missing REGNO call.
10497 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
10499 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
10500 another match_operator and compare the codes.
10502 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
10504 * MIPS multiply pattern fixes:
10505 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
10506 Add union classes for HI, LO, or HILO plus general registers.
10507 (GENERATE_MADD): Deleted.
10508 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
10509 Add TARGET_MAD to condition.
10510 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
10511 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
10512 "*d" for accumulator, to give preference to LO initially but not
10515 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
10517 * configure.in (enable_c_mbchar): New configure option.
10518 (extra_cpp_objs): Always available now.
10520 * cexp.y (mbchar.h): #include it.
10521 (yylex): Handle Multibyte characters in character literals.
10523 * cccp.c (mbchar.h): #include it.
10524 (main): Set character set based on LANG environment variable.
10525 (rescan): Handle multibyte characters in comments.
10526 (skip_if_group): See above.
10527 (validate_else): See above.
10528 (skip_to_end_of_comment): See above.
10529 (macarg1): See above.
10530 (discard_comments): See above.
10531 (rescan): Handle multibyte characters in string and character literals.
10532 (collect_expansion): See above.
10533 (skip_quoted_string): See above.
10534 (macroexpand): See above.
10535 (macarg1): See above.
10536 (discard_comments): See above.
10537 (change_newlines): See above.
10539 * c-lex.c (mbchar.h): #include it.
10540 (GET_ENVIRONMENT): New macro.
10541 (init_lex): Set character set based on LANG environment variable.
10542 (yylex): Handle multibyte characters in character literals.
10543 (yylex): Handle multibyte characters in string literals.
10545 * Makefile.in (mbchar.o): New target.
10546 (cccp$(exeext)): @extra_cpp_objs@ is always available.
10547 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
10549 * mbchar.[ch]: New files for multibyte character handling.
10551 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10553 * jump.c (jump_optimize): When simplifying noop moves and
10554 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
10555 the PUSHes to rewrite in second loop as we did in the first.
10557 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10559 * cplus-dem.c (demangle_nested_args): Make function definition
10560 static to match the prototype.
10562 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
10564 * alloca.c: Respect USE_C_ALLOCA.
10565 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
10566 * gengenrtl.c (xmalloc): Likewise.
10568 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
10570 * loop.h (struct induction): Add no_const_addval.
10571 * loop.c (the_movables, reg_address_cost): New variables.
10572 (init_loop): Init reg_address_cost.
10573 (loop_optimize): Call end_alias_analysis.
10574 (scan_loop): Init the_movables.
10575 (record_giv): Init induction->no_const_addval.
10576 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
10577 [REG]: Rearrange loop search test to catch more cases.
10578 (general_induction_var): Return success not benefit; take an extra
10579 argument for that. Change all callers.
10580 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
10581 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
10582 [default]: Search the_movables for additional combinations.
10583 (sge_plus_constant, sge_plus): New functions.
10584 (express_from_1): New function.
10585 (express_from): Always define. Rewrite using express_from_1.
10586 (combine_givs_p): Handle more cases. Ignore address cost.
10587 (cmp_combine_givs_stats): New function.
10588 (combine_givs_used_once, combine_givs_benefit_from): New functions.
10589 (combine_givs): Rewrite to do best-fit combination.
10591 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
10592 (fold): Do a complete (A*C)+(B*C) association check.
10594 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
10596 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
10598 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
10600 * mn10300.c (MODES_TIEABLE_P): Fix typo.
10602 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
10604 * tree.c (valid_machine_attribute): Only create a new type variant if
10605 there is a decl to use it.
10607 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
10609 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
10612 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
10614 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
10617 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
10619 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
10620 Simplify tests for clearing an address register.
10621 (expand_prologue): Corresponding changes.
10623 * mn10300.md (movXX patterns): Make sure the destination is an
10624 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
10625 (logical patterns): Split into expanders + patterns
10626 (zero and sign extension patterns): Similarly.
10627 (shift patterns): Similarly.
10629 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
10631 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
10632 for the sequence, recording base values.
10634 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
10636 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
10638 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
10640 * gcc.c: Remove ANSI-C ism from --help code.
10642 * toplev.c: Support --help with USE_CPPLIB.
10644 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
10646 * configure.in: Rework gas feature code to work with symlink based
10649 * extend.texi: Clarify some issues related to local variables
10650 assigned to explicit registers.
10652 * mn10300.md (mulsi): Turn into expander + pattern.
10654 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
10657 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
10659 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
10661 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
10663 * version.c: Bump again to distinguish mainline tree from the
10666 See ChangeLog.0 for earlier changes.
10669 add-log-time-format: current-time-string
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